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remark42
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bump go modules, make auth dev hostname customisable 

After this commit, dev auth would start working with the `REMARK_URL`
hostname instead of the previously hardcoded 127.0.0.1.

Breaks development setup where `REMARK_URL` was set
to a non-standard value and dev auth was running on 127.0.0.1
and working, as, after that change, it would stop working.
This commit is contained in:
Dmitry Verkhoturov 2022-08-26 23:05:28 +02:00
parent 2c36fab8aa
commit 9ad3be2e97
111 changed files with 12639 additions and 6946 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
backend/_example/memory_store/go.mod
View File

@ -13,6 +13,7 @@ require (
require (
github.com/Depado/bfchroma/v2 v2.0.0 // indirect
github.com/PuerkitoBio/goquery v1.8.0 // indirect
github.com/ajg/form v1.5.1 // indirect
github.com/alecthomas/chroma/v2 v2.2.0 // indirect
github.com/andybalholm/cascadia v1.3.1 // indirect
github.com/aymerick/douceur v0.2.0 // indirect
@ -21,7 +22,7 @@ require (
github.com/didip/tollbooth_chi v0.0.0-20220719025231-d662a7f6928f // indirect
github.com/dlclark/regexp2 v1.4.0 // indirect
github.com/go-chi/chi/v5 v5.0.7 // indirect
github.com/go-chi/render v1.0.1 // indirect
github.com/go-chi/render v1.0.2 // indirect
github.com/go-pkgz/expirable-cache v0.1.0 // indirect
github.com/go-pkgz/rest v1.15.6 // indirect
github.com/gorilla/css v1.0.0 // indirect

5
backend/_example/memory_store/go.sum
View File

@ -2,6 +2,8 @@ github.com/Depado/bfchroma/v2 v2.0.0 h1:IRpN9BPkNwEpR6w1ectIcNWOuhDSLx+8f1pn83fz
github.com/Depado/bfchroma/v2 v2.0.0/go.mod h1:wFwW/Pw8Tnd0irzgO9Zxtxgzp3aPS8qBWlyadxujxmw=
github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
github.com/alecthomas/chroma/v2 v2.2.0 h1:Aten8jfQwUqEdadVFFjNyjx7HTexhKP0XuqBG67mRDY=
github.com/alecthomas/chroma/v2 v2.2.0/go.mod h1:vf4zrexSH54oEjJ7EdB65tGNHmH3pGZmVkgTP5RHvAs=
github.com/alecthomas/repr v0.0.0-20220113201626-b1b626ac65ae h1:zzGwJfFlFGD94CyyYwCJeSuD32Gj9GTaSi5y9hoVzdY=
@ -20,8 +22,9 @@ github.com/dlclark/regexp2 v1.4.0 h1:F1rxgk7p4uKjwIQxBs9oAXe5CqrXlCduYEJvrF4u93E
github.com/dlclark/regexp2 v1.4.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8=
github.com/go-chi/chi/v5 v5.0.7/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8=
github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns=
github.com/go-chi/render v1.0.2 h1:4ER/udB0+fMWB2Jlf15RV3F4A2FDuYi/9f+lFttR/Lg=
github.com/go-chi/render v1.0.2/go.mod h1:/gr3hVkmYR0YlEy3LxCuVRFzEu9Ruok+gFqbIofjao0=
github.com/go-pkgz/expirable-cache v0.1.0 h1:3bw0m8vlTK8qlwz5KXuygNBTkiKRTPrAGXU0Ej2AC1g=
github.com/go-pkgz/expirable-cache v0.1.0/go.mod h1:GTrEl0X+q0mPNqN6dtcQXksACnzCBQ5k/k1SwXJsZKs=
github.com/go-pkgz/jrpc v0.3.0 h1:Fls38KqPsHzvp0FWfivr6cGnncC+iFBodHBqvUPY+0U=

6
backend/app/cmd/server.go
View File

@ -865,7 +865,11 @@ func (s *ServerCommand) addAuthProviders(authenticator *auth.Service) error {
if s.Auth.Dev {
log.Print("[INFO] dev access enabled")
authenticator.AddProvider("dev", "", "")
u, errURL := url.Parse(s.RemarkURL)
if errURL != nil {
return fmt.Errorf("can't parse Remark42 URL: %w", errURL)
}
authenticator.AddDevProvider(u.Hostname(), 8084)
providersCount++
}

13
backend/go.mod
View File

@ -10,10 +10,10 @@ require (
github.com/didip/tollbooth_chi v0.0.0-20220719025231-d662a7f6928f
github.com/go-chi/chi/v5 v5.0.7
github.com/go-chi/cors v1.2.1
github.com/go-chi/render v1.0.1
github.com/go-pkgz/auth v1.19.1-0.20220624002401-8b91a0eee69a
github.com/go-chi/render v1.0.2
github.com/go-pkgz/auth v1.19.1
github.com/go-pkgz/jrpc v0.3.0
github.com/go-pkgz/lcw v0.8.1
github.com/go-pkgz/lcw v1.0.1
github.com/go-pkgz/lgr v0.10.4
github.com/go-pkgz/notify v0.1.1
github.com/go-pkgz/repeater v1.1.3
@ -24,7 +24,7 @@ require (
github.com/gorilla/feeds v1.1.1
github.com/hashicorp/go-multierror v1.1.1
github.com/jessevdk/go-flags v1.5.0
github.com/kyokomi/emoji/v2 v2.2.9
github.com/kyokomi/emoji/v2 v2.2.10
github.com/microcosm-cc/bluemonday v1.0.19
github.com/rs/xid v1.4.0
github.com/russross/blackfriday/v2 v2.1.0
@ -39,15 +39,18 @@ require (
require (
cloud.google.com/go/compute v1.6.1 // indirect
github.com/ajg/form v1.5.1 // indirect
github.com/andybalholm/cascadia v1.3.1 // indirect
github.com/aymerick/douceur v0.2.0 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/dghubble/oauth1 v0.7.1 // indirect
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
github.com/dlclark/regexp2 v1.4.0 // indirect
github.com/go-oauth2/oauth2/v4 v4.4.3 // indirect
github.com/go-pkgz/email v0.3.0 // indirect
github.com/go-pkgz/expirable-cache v0.1.0 // indirect
github.com/go-redis/redis/v7 v7.4.1 // indirect
github.com/go-redis/redis/v8 v8.11.5 // indirect
github.com/go-stack/stack v1.8.1 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/golang/snappy v0.0.4 // indirect

64
backend/go.sum
View File

@ -65,10 +65,10 @@ github.com/alecthomas/chroma/v2 v2.2.0 h1:Aten8jfQwUqEdadVFFjNyjx7HTexhKP0XuqBG6
github.com/alecthomas/chroma/v2 v2.2.0/go.mod h1:vf4zrexSH54oEjJ7EdB65tGNHmH3pGZmVkgTP5RHvAs=
github.com/alecthomas/repr v0.0.0-20220113201626-b1b626ac65ae h1:zzGwJfFlFGD94CyyYwCJeSuD32Gj9GTaSi5y9hoVzdY=
github.com/alecthomas/repr v0.0.0-20220113201626-b1b626ac65ae/go.mod h1:2kn6fqh/zIyPLmm3ugklbEi5hg5wS435eygvNfaDQL8=
github.com/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6 h1:45bxf7AZMwWcqkLzDAQugVEwedisr5nRJ1r+7LYnv0U=
github.com/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc=
github.com/alicebob/miniredis/v2 v2.11.4 h1:GsuyeunTx7EllZBU3/6Ji3dhMQZDpC9rLf1luJ+6M5M=
github.com/alicebob/miniredis/v2 v2.11.4/go.mod h1:VL3UDEfAH59bSa7MuHMuFToxkqyHh69s/WUbYlOAuyg=
github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a h1:HbKu58rmZpUGpz5+4FfNmIU+FmZg2P3Xaj2v2bfNWmk=
github.com/alicebob/gopher-json v0.0.0-20200520072559-a9ecdc9d1d3a/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc=
github.com/alicebob/miniredis/v2 v2.22.0 h1:lIHHiSkEyS1MkKHCHzN+0mWrA4YdbGdimE5iZ2sHSzo=
github.com/alicebob/miniredis/v2 v2.22.0/go.mod h1:XNqvJdQJv5mSuVMc0ynneafpnL/zv52acZ6kqeS0t88=
github.com/andybalholm/brotli v1.0.0 h1:7UCwP93aiSfvWpapti8g88vVVGp2qqtGyePsSuDafo4=
github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
@ -77,8 +77,11 @@ github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kd
github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuPk=
github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd30/FjWUq4=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@ -96,6 +99,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dghubble/oauth1 v0.7.1 h1:JjbOVSVVkms9A4h/sTQy5Jb2nFuAAVb2qVYgenJPyrE=
github.com/dghubble/oauth1 v0.7.1/go.mod h1:0eEzON0UY/OLACQrmnjgJjmvCGXzjBCsZqL1kWDXtF0=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
github.com/didip/tollbooth/v7 v7.0.0 h1:XmyyNwZpz9j61PwR4A894MmmYO5zBF9xjgVi2n1fiQI=
github.com/didip/tollbooth/v7 v7.0.0/go.mod h1:VZhDSGl5bDSPj4wPsih3PFa4Uh9Ghv8hgacaTm5PRT4=
github.com/didip/tollbooth_chi v0.0.0-20220719025231-d662a7f6928f h1:jtKwihcLmUC9BAhoJ9adCUqdSSZcOdH2KL7mPTUm2aw=
@ -124,23 +129,24 @@ github.com/go-chi/chi/v5 v5.0.7 h1:rDTPXLDHGATaeHvVlLcR4Qe0zftYethFucbjVQ1PxU8=
github.com/go-chi/chi/v5 v5.0.7/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=
github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8=
github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns=
github.com/go-chi/render v1.0.2 h1:4ER/udB0+fMWB2Jlf15RV3F4A2FDuYi/9f+lFttR/Lg=
github.com/go-chi/render v1.0.2/go.mod h1:/gr3hVkmYR0YlEy3LxCuVRFzEu9Ruok+gFqbIofjao0=
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
github.com/go-oauth2/oauth2/v4 v4.4.3 h1:IiU3iAK5NEeZ4mUf5HV9tN7iNlx4AGUkIJ5M1C4ARxY=
github.com/go-oauth2/oauth2/v4 v4.4.3/go.mod h1:NR9Hugz5/Qe2OGxoPBhsTRNjnm/amC+z9+XTwt63rhs=
github.com/go-pkgz/auth v1.19.1-0.20220624002401-8b91a0eee69a h1:gp0mLtawviHOwmrd6E60yxA+9GAKtpBjI1WCc/4oyAE=
github.com/go-pkgz/auth v1.19.1-0.20220624002401-8b91a0eee69a/go.mod h1:ncL+ePcAf9A7lCKKDAQ6aIs4MTz/Q/g5XIhRx5hap6E=
github.com/go-pkgz/auth v1.19.1 h1:yoxQvx6cBYJPHvMryJw+vj+/1QpjPSKERBfPL/mPGT0=
github.com/go-pkgz/auth v1.19.1/go.mod h1:Uex9UlbhlHamrkO14f69BuZX5n5x1CSzIxZb/En+VPw=
github.com/go-pkgz/email v0.3.0 h1:89FbVF6trHkdn2VVoXlBfZHkdYQ1vLmQ54OhdosaFtc=
github.com/go-pkgz/email v0.3.0/go.mod h1:TpnmSLkQW3FyICit2hn7WIhCUDrhCX6btzz5wS3wHRI=
github.com/go-pkgz/expirable-cache v0.1.0 h1:3bw0m8vlTK8qlwz5KXuygNBTkiKRTPrAGXU0Ej2AC1g=
github.com/go-pkgz/expirable-cache v0.1.0/go.mod h1:GTrEl0X+q0mPNqN6dtcQXksACnzCBQ5k/k1SwXJsZKs=
github.com/go-pkgz/jrpc v0.3.0 h1:Fls38KqPsHzvp0FWfivr6cGnncC+iFBodHBqvUPY+0U=
github.com/go-pkgz/jrpc v0.3.0/go.mod h1:MFtKs75JESiSqVicsQkgN2iDFFuCd3gVT1/vKiwRi00=
github.com/go-pkgz/lcw v0.8.1 h1:Bpt2yYTE1J8hIhz8tjdm1WPOgH13eo5iTNsXyop7cMQ=
github.com/go-pkgz/lcw v0.8.1/go.mod h1:Xw0/ZfApATgbjVPYRZO4XHdWyxAjErDWDWJ7TLlw1Vc=
github.com/go-pkgz/lcw v1.0.1 h1:svYC6LIyzRaHF3TwJ8GCS+2RkJreBfaFjoeS+UYwJBc=
github.com/go-pkgz/lcw v1.0.1/go.mod h1:CPJJzunpmGToOtD0Ga82TV152eL69sYEIIPcy9fbxlU=
github.com/go-pkgz/lgr v0.10.4 h1:l7qyFjqEZgwRgaQQSEp6tve4A3OU80VrfzpvtEX8ngw=
github.com/go-pkgz/lgr v0.10.4/go.mod h1:CD0s1z6EFpIUplV067gitF77tn25JItzwHNKAPqeCF0=
github.com/go-pkgz/notify v0.1.1 h1:0EaPnBD/IX8EBVAmKnEHNesyH3rD1v6w0MBLRCwrTUI=
@ -152,13 +158,13 @@ github.com/go-pkgz/rest v1.15.6 h1:8RgOuY/c00CD0el8KdmscOCgDH+ML0ZsK2qa1Rcxal4=
github.com/go-pkgz/rest v1.15.6/go.mod h1:KUWAqbDteYGS/CiXftomQsKjtEOifXsJ36Ka0skYbmk=
github.com/go-pkgz/syncs v1.2.0 h1:aiizQFILlMZ4KtRNaYLcDffRbUQZH9fclsgr5KybWyY=
github.com/go-pkgz/syncs v1.2.0/go.mod h1:fjThZdM2FkC/oSeiqBTOZOtHpbrCh4HuHbipB5qZJJM=
github.com/go-redis/redis/v7 v7.4.0/go.mod h1:JDNMw23GTyLNC4GZu9njt15ctBQVn7xjRfnwdHj/Dcg=
github.com/go-redis/redis/v7 v7.4.1 h1:PASvf36gyUpr2zdOUS/9Zqc80GbM+9BDyiJSJDDOrTI=
github.com/go-redis/redis/v7 v7.4.1/go.mod h1:JDNMw23GTyLNC4GZu9njt15ctBQVn7xjRfnwdHj/Dcg=
github.com/go-redis/redis/v8 v8.11.5 h1:AcZZR7igkdvfVmQTPnu9WE37LRrO/YrBH5zWyjDC0oI=
github.com/go-redis/redis/v8 v8.11.5/go.mod h1:gREzHqY1hg6oD9ngVRbLStwAWKhA0FEgq8Jd4h5lpwo=
github.com/go-session/session v3.1.2+incompatible/go.mod h1:8B3iivBQjrz/JtC68Np2T1yBBLxTan3mn/3OM0CyRt0=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw=
github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
github.com/go-test/deep v1.0.4 h1:u2CU3YKy9I2pmu9pX0eq50wCgjfGIt539SqR7FbHiho=
github.com/go-test/deep v1.0.4/go.mod h1:wGDj63lr65AM2AQyKZd/NYHGb0R+1RLqB8NKt3aSFNA=
github.com/golang-jwt/jwt v3.2.1+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I=
@ -199,7 +205,6 @@ github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
github.com/gomodule/redigo v1.7.1-0.20190322064113-39e2c31b7ca3/go.mod h1:B4C85qUVwatsJoIUNIfCRsp7qO0iAmpGFZ4EELWSbC4=
github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@ -233,6 +238,7 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
github.com/google/pprof v0.0.0-20201203190320-1bf35d6f28c2/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210122040257-d980be63207e/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
@ -259,7 +265,6 @@ github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFb
github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
github.com/hashicorp/go-multierror v1.1.0/go.mod h1:spPvp8C1qA32ftKqdAHm4hHTbPw+vmowP0z+KUhOZdA=
github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
@ -288,8 +293,8 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/kyokomi/emoji/v2 v2.2.9 h1:UWYkjplPZ4rMPvLxc+/e12/xTqoRcn55oUySkpZ554g=
github.com/kyokomi/emoji/v2 v2.2.9/go.mod h1:JUcn42DTdsXJo1SWanHh4HKDEyPaR5CqkmoirZZP9qE=
github.com/kyokomi/emoji/v2 v2.2.10 h1:1z5eMVcxFifsmEoNpdeq4UahbcicgQ4FEHuzrCVwmiI=
github.com/kyokomi/emoji/v2 v2.2.10/go.mod h1:JUcn42DTdsXJo1SWanHh4HKDEyPaR5CqkmoirZZP9qE=
github.com/mattn/go-colorable v0.1.7/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc=
github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
github.com/microcosm-cc/bluemonday v1.0.18/go.mod h1:Z0r70sCuXHig8YpBzCc5eGHAap2K7e/u082ZUpDRRqM=
@ -300,17 +305,21 @@ github.com/moul/http2curl v1.0.0 h1:dRMWoAtb+ePxMlLkrCbAqh4TlPHXvoGUSQ323/9Zahs=
github.com/moul/http2curl v1.0.0/go.mod h1:8UbvGypXm98wA/IqH45anm5Y2Z6ep6O31QGOAZ3H0fQ=
github.com/nullrocks/identicon v0.0.0-20180626043057-7875f45b0022 h1:Ys0rDzh8s4UMlGaDa1UTA0sfKgvF0hQZzTYX8ktjiDc=
github.com/nullrocks/identicon v0.0.0-20180626043057-7875f45b0022/go.mod h1:x4NsS+uc7ecH/Cbm9xKQ6XzmJM57rWTkjywjfB2yQ18=
github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.10.1/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
github.com/onsi/ginkgo v1.13.0 h1:M76yO2HkZASFjXL0HSoZJ1AYEmQxNJmY41Jx1zNUq1Y=
github.com/onsi/ginkgo v1.13.0/go.mod h1:+REjRxOmWfHCjfv9TTWB1jD1Frx4XydAD3zm1lskyM0=
github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/onsi/ginkgo v1.16.4/go.mod h1:dX+/inL/fNMqNlz0e9LfyB9TswhZpCVdJM/Z6Vvnwo0=
github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
github.com/onsi/ginkgo/v2 v2.0.0/go.mod h1:vw5CSIxN1JObi/U8gcbwft7ZxR2dgaR70JSE3/PpL4c=
github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
github.com/onsi/gomega v1.10.1 h1:o0+MgICZLuZ7xjH7Vx6zS/zcu93/BEp1VwkIW1mEXCE=
github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
github.com/onsi/gomega v1.17.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
github.com/onsi/gomega v1.18.1 h1:M1GfJqGRrBrrGGsbxzV5dqM2U2ApXefZCQpkukxYRLE=
github.com/onsi/gomega v1.18.1/go.mod h1:0q+aL8jAiMXy9hbwj2mr5GziHiwhAIQpFmmtT5hitRs=
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@ -397,8 +406,8 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb h1:ZkM6LRnq40pR1Ox0hTHlnpkcOTuFIDQpZ1IN8rKKhX0=
github.com/yuin/gopher-lua v0.0.0-20191220021717-ab39c6098bdb/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
github.com/yuin/gopher-lua v0.0.0-20210529063254-f4c35e4016d9 h1:k/gmLsJDWwWqbLCur2yWnJzwQEKRcAHXo6seXGuSwWw=
github.com/yuin/gopher-lua v0.0.0-20210529063254-f4c35e4016d9/go.mod h1:E1AXubJBdNmFERAOucpDIxNzeGfLzg0mYh+UfMWdChA=
go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
go.mongodb.org/mongo-driver v1.8.5/go.mod h1:0sQWfOeY63QTntERDJJ/0SuKK0T1uVSgKCuAROlKEPY=
@ -476,7 +485,6 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@ -500,6 +508,7 @@ golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
@ -558,7 +567,6 @@ golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191010194322-b09406accb47/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -585,6 +593,7 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210305230114-8fe3ee5dd75b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -674,6 +683,7 @@ golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82u
golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
@ -855,12 +865,12 @@ gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

25
backend/vendor/github.com/ajg/form/.travis.yml generated vendored Normal file
View File

@ -0,0 +1,25 @@
## Copyright 2014 Alvaro J. Genial. All rights reserved.
## Use of this source code is governed by a BSD-style
## license that can be found in the LICENSE file.
language: go
go:
- tip
- 1.6
- 1.5
- 1.4
- 1.3
# 1.2
before_install:
# - go get -v golang.org/x/tools/cmd/cover
# - go get -v golang.org/x/tools/cmd/vet
# - go get -v golang.org/x/lint/golint
- export PATH=$PATH:/home/travis/gopath/bin
script:
- go build -v ./...
- go test -v -cover ./...
- go vet ./...
# - golint .

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Copyright (c) 2014 Alvaro J. Genial. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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form
====
A Form Encoding & Decoding Package for Go, written by [Alvaro J. Genial](http://alva.ro).
[![Build Status](https://travis-ci.org/ajg/form.png?branch=master)](https://travis-ci.org/ajg/form)
[![GoDoc](https://godoc.org/github.com/ajg/form?status.png)](https://godoc.org/github.com/ajg/form)
Synopsis
--------
This library is designed to allow seamless, high-fidelity encoding and decoding of arbitrary data in `application/x-www-form-urlencoded` format and as [`url.Values`](http://golang.org/pkg/net/url/#Values). It is intended to be useful primarily in dealing with web forms and URI query strings, both of which natively employ said format.
Unsurprisingly, `form` is modeled after other Go [`encoding`](http://golang.org/pkg/encoding/) packages, in particular [`encoding/json`](http://golang.org/pkg/encoding/json/), and follows the same conventions (see below for more.) It aims to automatically handle any kind of concrete Go [data value](#values) (i.e., not functions, channels, etc.) while providing mechanisms for custom behavior.
Status
------
The implementation is in usable shape and is fairly well tested with its accompanying test suite. The API is unlikely to change much, but still may. Lastly, the code has not yet undergone a security review to ensure it is free of vulnerabilities. Please file an issue or send a pull request for fixes & improvements.
Dependencies
------------
The only requirement is [Go 1.2](http://golang.org/doc/go1.2) or later.
Usage
-----
```go
import "github.com/ajg/form"
// or: "gopkg.in/ajg/form.v1"
```
Given a type like the following...
```go
type User struct {
Name string `form:"name"`
Email string `form:"email"`
Joined time.Time `form:"joined,omitempty"`
Posts []int `form:"posts"`
Preferences map[string]string `form:"prefs"`
Avatar []byte `form:"avatar"`
PasswordHash int64 `form:"-"`
}
```
...it is easy to encode data of that type...
```go
func PostUser(url string, u User) error {
var c http.Client
_, err := c.PostForm(url, form.EncodeToValues(u))
return err
}
```
...as well as decode it...
```go
func Handler(w http.ResponseWriter, r *http.Request) {
var u User
d := form.NewDecoder(r.Body)
if err := d.Decode(&u); err != nil {
http.Error(w, "Form could not be decoded", http.StatusBadRequest)
return
}
fmt.Fprintf(w, "Decoded: %#v", u)
}
```
...without having to do any grunt work.
Field Tags
----------
Like other encoding packages, `form` supports the following options for fields:
- `` `form:"-"` ``: Causes the field to be ignored during encoding and decoding.
- `` `form:"<name>"` ``: Overrides the field's name; useful especially when dealing with external identifiers in camelCase, as are commonly found on the web.
- `` `form:",omitempty"` ``: Elides the field during encoding if it is empty (typically meaning equal to the type's zero value.)
- `` `form:"<name>,omitempty"` ``: The way to combine the two options above.
Values
------
### Simple Values
Values of the following types are all considered simple:
- `bool`
- `int`, `int8`, `int16`, `int32`, `int64`, `rune`
- `uint`, `uint8`, `uint16`, `uint32`, `uint64`, `byte`
- `float32`, `float64`
- `complex64`, `complex128`
- `string`
- `[]byte` (see note)
- [`time.Time`](http://golang.org/pkg/time/#Time)
- [`url.URL`](http://golang.org/pkg/net/url/#URL)
- An alias of any of the above
- A pointer to any of the above
### Composite Values
A composite value is one that can contain other values. Values of the following kinds...
- Maps
- Slices; except `[]byte` (see note)
- Structs; except [`time.Time`](http://golang.org/pkg/time/#Time) and [`url.URL`](http://golang.org/pkg/net/url/#URL)
- Arrays
- An alias of any of the above
- A pointer to any of the above
...are considered composites in general, unless they implement custom marshaling/unmarshaling. Composite values are encoded as a flat mapping of paths to values, where the paths are constructed by joining the parent and child paths with a period (`.`).
(Note: a byte slice is treated as a `string` by default because it's more efficient, but can also be decoded as a slice—i.e., with indexes.)
### Untyped Values
While encouraged, it is not necessary to define a type (e.g. a `struct`) in order to use `form`, since it is able to encode and decode untyped data generically using the following rules:
- Simple values will be treated as a `string`.
- Composite values will be treated as a `map[string]interface{}`, itself able to contain nested values (both scalar and compound) ad infinitum.
- However, if there is a value (of any supported type) already present in a map for a given key, then it will be used when possible, rather than being replaced with a generic value as specified above; this makes it possible to handle partially typed, dynamic or schema-less values.
### Zero Values
By default, and without custom marshaling, zero values (also known as empty/default values) are encoded as the empty string. To disable this behavior, meaning to keep zero values in their literal form (e.g. `0` for integral types), `Encoder` offers a `KeepZeros` setter method, which will do just that when set to `true`.
### Unsupported Values
Values of the following kinds aren't supported and, if present, must be ignored.
- Channel
- Function
- Unsafe pointer
- An alias of any of the above
- A pointer to any of the above
Custom Marshaling
-----------------
There is a default (generally lossless) marshaling & unmarshaling scheme for any concrete data value in Go, which is good enough in most cases. However, it is possible to override it and use a custom scheme. For instance, a "binary" field could be marshaled more efficiently using [base64](http://golang.org/pkg/encoding/base64/) to prevent it from being percent-escaped during serialization to `application/x-www-form-urlencoded` format.
Because `form` provides support for [`encoding.TextMarshaler`](http://golang.org/pkg/encoding/#TextMarshaler) and [`encoding.TextUnmarshaler`](http://golang.org/pkg/encoding/#TextUnmarshaler) it is easy to do that; for instance, like this:
```go
import "encoding"
type Binary []byte
var (
_ encoding.TextMarshaler = &Binary{}
_ encoding.TextUnmarshaler = &Binary{}
)
func (b Binary) MarshalText() ([]byte, error) {
return []byte(base64.URLEncoding.EncodeToString([]byte(b))), nil
}
func (b *Binary) UnmarshalText(text []byte) error {
bs, err := base64.URLEncoding.DecodeString(string(text))
if err == nil {
*b = Binary(bs)
}
return err
}
```
Now any value with type `Binary` will automatically be encoded using the [URL](http://golang.org/pkg/encoding/base64/#URLEncoding) variant of base64. It is left as an exercise to the reader to improve upon this scheme by eliminating the need for padding (which, besides being superfluous, uses `=`, a character that will end up percent-escaped.)
Keys
----
In theory any value can be a key as long as it has a string representation. However, by default, periods have special meaning to `form`, and thus, under the hood (i.e. in encoded form) they are transparently escaped using a preceding backslash (`\`). Backslashes within keys, themselves, are also escaped in this manner (e.g. as `\\`) in order to permit representing `\.` itself (as `\\\.`).
(Note: it is normally unnecessary to deal with this issue unless keys are being constructed manually—e.g. literally embedded in HTML or in a URI.)
The default delimiter and escape characters used for encoding and decoding composite keys can be changed using the `DelimitWith` and `EscapeWith` setter methods of `Encoder` and `Decoder`, respectively. For example...
```go
package main
import (
"os"
"github.com/ajg/form"
)
func main() {
type B struct {
Qux string `form:"qux"`
}
type A struct {
FooBar B `form:"foo.bar"`
}
a := A{FooBar: B{"XYZ"}}
os.Stdout.WriteString("Default: ")
form.NewEncoder(os.Stdout).Encode(a)
os.Stdout.WriteString("\nCustom: ")
form.NewEncoder(os.Stdout).DelimitWith('/').Encode(a)
os.Stdout.WriteString("\n")
}
```
...will produce...
```
Default: foo%5C.bar.qux=XYZ
Custom: foo.bar%2Fqux=XYZ
```
(`%5C` and `%2F` represent `\` and `/`, respectively.)
Limitations
-----------
- Circular (self-referential) values are untested.
Future Work
-----------
The following items would be nice to have in the future—though they are not being worked on yet:
- An option to treat all values as if they had been tagged with `omitempty`.
- An option to automatically treat all field names in `camelCase` or `underscore_case`.
- Built-in support for the types in [`math/big`](http://golang.org/pkg/math/big/).
- Built-in support for the types in [`image/color`](http://golang.org/pkg/image/color/).
- Improve encoding/decoding by reading/writing directly from/to the `io.Reader`/`io.Writer` when possible, rather than going through an intermediate representation (i.e. `node`) which requires more memory.
(Feel free to implement any of these and then send a pull request.)
Related Work
------------
- Package [gorilla/schema](https://github.com/gorilla/schema), which only implements decoding.
- Package [google/go-querystring](https://github.com/google/go-querystring), which only implements encoding.
License
-------
This library is distributed under a BSD-style [LICENSE](./LICENSE).

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TODO
====
- Document IgnoreCase and IgnoreUnknownKeys in README.

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// Copyright 2014 Alvaro J. Genial. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package form
import (
"fmt"
"io"
"io/ioutil"
"net/url"
"reflect"
"strconv"
"time"
)
// NewDecoder returns a new form Decoder.
func NewDecoder(r io.Reader) *Decoder {
return &Decoder{r, defaultDelimiter, defaultEscape, false, false}
}
// Decoder decodes data from a form (application/x-www-form-urlencoded).
type Decoder struct {
r io.Reader
d rune
e rune
ignoreUnknown bool
ignoreCase bool
}
// DelimitWith sets r as the delimiter used for composite keys by Decoder d and returns the latter; it is '.' by default.
func (d *Decoder) DelimitWith(r rune) *Decoder {
d.d = r
return d
}
// EscapeWith sets r as the escape used for delimiters (and to escape itself) by Decoder d and returns the latter; it is '\\' by default.
func (d *Decoder) EscapeWith(r rune) *Decoder {
d.e = r
return d
}
// Decode reads in and decodes form-encoded data into dst.
func (d Decoder) Decode(dst interface{}) error {
bs, err := ioutil.ReadAll(d.r)
if err != nil {
return err
}
vs, err := url.ParseQuery(string(bs))
if err != nil {
return err
}
v := reflect.ValueOf(dst)
return d.decodeNode(v, parseValues(d.d, d.e, vs, canIndexOrdinally(v)))
}
// IgnoreUnknownKeys if set to true it will make the Decoder ignore values
// that are not found in the destination object instead of returning an error.
func (d *Decoder) IgnoreUnknownKeys(ignoreUnknown bool) {
d.ignoreUnknown = ignoreUnknown
}
// IgnoreCase if set to true it will make the Decoder try to set values in the
// destination object even if the case does not match.
func (d *Decoder) IgnoreCase(ignoreCase bool) {
d.ignoreCase = ignoreCase
}
// DecodeString decodes src into dst.
func (d Decoder) DecodeString(dst interface{}, src string) error {
vs, err := url.ParseQuery(src)
if err != nil {
return err
}
v := reflect.ValueOf(dst)
return d.decodeNode(v, parseValues(d.d, d.e, vs, canIndexOrdinally(v)))
}
// DecodeValues decodes vs into dst.
func (d Decoder) DecodeValues(dst interface{}, vs url.Values) error {
v := reflect.ValueOf(dst)
return d.decodeNode(v, parseValues(d.d, d.e, vs, canIndexOrdinally(v)))
}
// DecodeString decodes src into dst.
func DecodeString(dst interface{}, src string) error {
return NewDecoder(nil).DecodeString(dst, src)
}
// DecodeValues decodes vs into dst.
func DecodeValues(dst interface{}, vs url.Values) error {
return NewDecoder(nil).DecodeValues(dst, vs)
}
func (d Decoder) decodeNode(v reflect.Value, n node) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
if v.Kind() == reflect.Slice {
return fmt.Errorf("could not decode directly into slice; use pointer to slice")
}
d.decodeValue(v, n)
return nil
}
func (d Decoder) decodeValue(v reflect.Value, x interface{}) {
t := v.Type()
k := v.Kind()
if k == reflect.Ptr && v.IsNil() {
v.Set(reflect.New(t.Elem()))
}
if unmarshalValue(v, x) {
return
}
empty := isEmpty(x)
switch k {
case reflect.Ptr:
d.decodeValue(v.Elem(), x)
return
case reflect.Interface:
if !v.IsNil() {
d.decodeValue(v.Elem(), x)
return
} else if empty {
return // Allow nil interfaces only if empty.
} else {
panic("form: cannot decode non-empty value into into nil interface")
}
}
if empty {
v.Set(reflect.Zero(t)) // Treat the empty string as the zero value.
return
}
switch k {
case reflect.Struct:
if t.ConvertibleTo(timeType) {
d.decodeTime(v, x)
} else if t.ConvertibleTo(urlType) {
d.decodeURL(v, x)
} else {
d.decodeStruct(v, x)
}
case reflect.Slice:
d.decodeSlice(v, x)
case reflect.Array:
d.decodeArray(v, x)
case reflect.Map:
d.decodeMap(v, x)
case reflect.Invalid, reflect.Uintptr, reflect.UnsafePointer, reflect.Chan, reflect.Func:
panic(t.String() + " has unsupported kind " + k.String())
default:
d.decodeBasic(v, x)
}
}
func (d Decoder) decodeStruct(v reflect.Value, x interface{}) {
t := v.Type()
for k, c := range getNode(x) {
if f, ok := findField(v, k, d.ignoreCase); !ok && k == "" {
panic(getString(x) + " cannot be decoded as " + t.String())
} else if !ok {
if !d.ignoreUnknown {
panic(k + " doesn't exist in " + t.String())
}
} else if !f.CanSet() {
panic(k + " cannot be set in " + t.String())
} else {
d.decodeValue(f, c)
}
}
}
func (d Decoder) decodeMap(v reflect.Value, x interface{}) {
t := v.Type()
if v.IsNil() {
v.Set(reflect.MakeMap(t))
}
for k, c := range getNode(x) {
i := reflect.New(t.Key()).Elem()
d.decodeValue(i, k)
w := v.MapIndex(i)
if w.IsValid() { // We have an actual element value to decode into.
if w.Kind() == reflect.Interface {
w = w.Elem()
}
w = reflect.New(w.Type()).Elem()
} else if t.Elem().Kind() != reflect.Interface { // The map's element type is concrete.
w = reflect.New(t.Elem()).Elem()
} else {
// The best we can do here is to decode as either a string (for scalars) or a map[string]interface {} (for the rest).
// We could try to guess the type based on the string (e.g. true/false => bool) but that'll get ugly fast,
// especially if we have to guess the kind (slice vs. array vs. map) and index type (e.g. string, int, etc.)
switch c.(type) {
case node:
w = reflect.MakeMap(stringMapType)
case string:
w = reflect.New(stringType).Elem()
default:
panic("value is neither node nor string")
}
}
d.decodeValue(w, c)
v.SetMapIndex(i, w)
}
}
func (d Decoder) decodeArray(v reflect.Value, x interface{}) {
t := v.Type()
for k, c := range getNode(x) {
i, err := strconv.Atoi(k)
if err != nil {
panic(k + " is not a valid index for type " + t.String())
}
if l := v.Len(); i >= l {
panic("index is above array size")
}
d.decodeValue(v.Index(i), c)
}
}
func (d Decoder) decodeSlice(v reflect.Value, x interface{}) {
t := v.Type()
if t.Elem().Kind() == reflect.Uint8 {
// Allow, but don't require, byte slices to be encoded as a single string.
if s, ok := x.(string); ok {
v.SetBytes([]byte(s))
return
}
}
// NOTE: Implicit indexing is currently done at the parseValues level,
// so if if an implicitKey reaches here it will always replace the last.
implicit := 0
for k, c := range getNode(x) {
var i int
if k == implicitKey {
i = implicit
implicit++
} else {
explicit, err := strconv.Atoi(k)
if err != nil {
panic(k + " is not a valid index for type " + t.String())
}
i = explicit
implicit = explicit + 1
}
// "Extend" the slice if it's too short.
if l := v.Len(); i >= l {
delta := i - l + 1
v.Set(reflect.AppendSlice(v, reflect.MakeSlice(t, delta, delta)))
}
d.decodeValue(v.Index(i), c)
}
}
func (d Decoder) decodeBasic(v reflect.Value, x interface{}) {
t := v.Type()
switch k, s := t.Kind(), getString(x); k {
case reflect.Bool:
if b, e := strconv.ParseBool(s); e == nil {
v.SetBool(b)
} else {
panic("could not parse bool from " + strconv.Quote(s))
}
case reflect.Int,
reflect.Int8,
reflect.Int16,
reflect.Int32,
reflect.Int64:
if i, e := strconv.ParseInt(s, 10, 64); e == nil {
v.SetInt(i)
} else {
panic("could not parse int from " + strconv.Quote(s))
}
case reflect.Uint,
reflect.Uint8,
reflect.Uint16,
reflect.Uint32,
reflect.Uint64:
if u, e := strconv.ParseUint(s, 10, 64); e == nil {
v.SetUint(u)
} else {
panic("could not parse uint from " + strconv.Quote(s))
}
case reflect.Float32,
reflect.Float64:
if f, e := strconv.ParseFloat(s, 64); e == nil {
v.SetFloat(f)
} else {
panic("could not parse float from " + strconv.Quote(s))
}
case reflect.Complex64,
reflect.Complex128:
var c complex128
if n, err := fmt.Sscanf(s, "%g", &c); n == 1 && err == nil {
v.SetComplex(c)
} else {
panic("could not parse complex from " + strconv.Quote(s))
}
case reflect.String:
v.SetString(s)
default:
panic(t.String() + " has unsupported kind " + k.String())
}
}
func (d Decoder) decodeTime(v reflect.Value, x interface{}) {
t := v.Type()
s := getString(x)
// TODO: Find a more efficient way to do this.
for _, f := range allowedTimeFormats {
if p, err := time.Parse(f, s); err == nil {
v.Set(reflect.ValueOf(p).Convert(v.Type()))
return
}
}
panic("cannot decode string `" + s + "` as " + t.String())
}
func (d Decoder) decodeURL(v reflect.Value, x interface{}) {
t := v.Type()
s := getString(x)
if u, err := url.Parse(s); err == nil {
v.Set(reflect.ValueOf(*u).Convert(v.Type()))
return
}
panic("cannot decode string `" + s + "` as " + t.String())
}
var allowedTimeFormats = []string{
"2006-01-02T15:04:05.999999999Z07:00",
"2006-01-02T15:04:05.999999999Z07",
"2006-01-02T15:04:05.999999999Z",
"2006-01-02T15:04:05.999999999",
"2006-01-02T15:04:05Z07:00",
"2006-01-02T15:04:05Z07",
"2006-01-02T15:04:05Z",
"2006-01-02T15:04:05",
"2006-01-02T15:04Z",
"2006-01-02T15:04",
"2006-01-02T15Z",
"2006-01-02T15",
"2006-01-02",
"2006-01",
"2006",
"15:04:05.999999999Z07:00",
"15:04:05.999999999Z07",
"15:04:05.999999999Z",
"15:04:05.999999999",
"15:04:05Z07:00",
"15:04:05Z07",
"15:04:05Z",
"15:04:05",
"15:04Z",
"15:04",
"15Z",
"15",
}

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// Copyright 2014 Alvaro J. Genial. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package form
import (
"encoding"
"errors"
"fmt"
"io"
"net/url"
"reflect"
"strconv"
"strings"
"time"
)
// NewEncoder returns a new form Encoder.
func NewEncoder(w io.Writer) *Encoder {
return &Encoder{w, defaultDelimiter, defaultEscape, false}
}
// Encoder provides a way to encode to a Writer.
type Encoder struct {
w io.Writer
d rune
e rune
z bool
}
// DelimitWith sets r as the delimiter used for composite keys by Encoder e and returns the latter; it is '.' by default.
func (e *Encoder) DelimitWith(r rune) *Encoder {
e.d = r
return e
}
// EscapeWith sets r as the escape used for delimiters (and to escape itself) by Encoder e and returns the latter; it is '\\' by default.
func (e *Encoder) EscapeWith(r rune) *Encoder {
e.e = r
return e
}
// KeepZeros sets whether Encoder e should keep zero (default) values in their literal form when encoding, and returns the former; by default zero values are not kept, but are rather encoded as the empty string.
func (e *Encoder) KeepZeros(z bool) *Encoder {
e.z = z
return e
}
// Encode encodes dst as form and writes it out using the Encoder's Writer.
func (e Encoder) Encode(dst interface{}) error {
v := reflect.ValueOf(dst)
n, err := encodeToNode(v, e.z)
if err != nil {
return err
}
s := n.values(e.d, e.e).Encode()
l, err := io.WriteString(e.w, s)
switch {
case err != nil:
return err
case l != len(s):
return errors.New("could not write data completely")
}
return nil
}
// EncodeToString encodes dst as a form and returns it as a string.
func EncodeToString(dst interface{}) (string, error) {
v := reflect.ValueOf(dst)
n, err := encodeToNode(v, false)
if err != nil {
return "", err
}
vs := n.values(defaultDelimiter, defaultEscape)
return vs.Encode(), nil
}
// EncodeToValues encodes dst as a form and returns it as Values.
func EncodeToValues(dst interface{}) (url.Values, error) {
v := reflect.ValueOf(dst)
n, err := encodeToNode(v, false)
if err != nil {
return nil, err
}
vs := n.values(defaultDelimiter, defaultEscape)
return vs, nil
}
func encodeToNode(v reflect.Value, z bool) (n node, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
return getNode(encodeValue(v, z)), nil
}
func encodeValue(v reflect.Value, z bool) interface{} {
t := v.Type()
k := v.Kind()
if s, ok := marshalValue(v); ok {
return s
} else if !z && isEmptyValue(v) {
return "" // Treat the zero value as the empty string.
}
switch k {
case reflect.Ptr, reflect.Interface:
return encodeValue(v.Elem(), z)
case reflect.Struct:
if t.ConvertibleTo(timeType) {
return encodeTime(v)
} else if t.ConvertibleTo(urlType) {
return encodeURL(v)
}
return encodeStruct(v, z)
case reflect.Slice:
return encodeSlice(v, z)
case reflect.Array:
return encodeArray(v, z)
case reflect.Map:
return encodeMap(v, z)
case reflect.Invalid, reflect.Uintptr, reflect.UnsafePointer, reflect.Chan, reflect.Func:
panic(t.String() + " has unsupported kind " + t.Kind().String())
default:
return encodeBasic(v)
}
}
func encodeStruct(v reflect.Value, z bool) interface{} {
t := v.Type()
n := node{}
for i := 0; i < t.NumField(); i++ {
f := t.Field(i)
k, oe := fieldInfo(f)
if k == "-" {
continue
} else if fv := v.Field(i); oe && isEmptyValue(fv) {
delete(n, k)
} else {
n[k] = encodeValue(fv, z)
}
}
return n
}
func encodeMap(v reflect.Value, z bool) interface{} {
n := node{}
for _, i := range v.MapKeys() {
k := getString(encodeValue(i, z))
n[k] = encodeValue(v.MapIndex(i), z)
}
return n
}
func encodeArray(v reflect.Value, z bool) interface{} {
n := node{}
for i := 0; i < v.Len(); i++ {
n[strconv.Itoa(i)] = encodeValue(v.Index(i), z)
}
return n
}
func encodeSlice(v reflect.Value, z bool) interface{} {
t := v.Type()
if t.Elem().Kind() == reflect.Uint8 {
return string(v.Bytes()) // Encode byte slices as a single string by default.
}
n := node{}
for i := 0; i < v.Len(); i++ {
n[strconv.Itoa(i)] = encodeValue(v.Index(i), z)
}
return n
}
func encodeTime(v reflect.Value) string {
t := v.Convert(timeType).Interface().(time.Time)
if t.Year() == 0 && (t.Month() == 0 || t.Month() == 1) && (t.Day() == 0 || t.Day() == 1) {
return t.Format("15:04:05.999999999Z07:00")
} else if t.Hour() == 0 && t.Minute() == 0 && t.Second() == 0 && t.Nanosecond() == 0 {
return t.Format("2006-01-02")
}
return t.Format("2006-01-02T15:04:05.999999999Z07:00")
}
func encodeURL(v reflect.Value) string {
u := v.Convert(urlType).Interface().(url.URL)
return u.String()
}
func encodeBasic(v reflect.Value) string {
t := v.Type()
switch k := t.Kind(); k {
case reflect.Bool:
return strconv.FormatBool(v.Bool())
case reflect.Int,
reflect.Int8,
reflect.Int16,
reflect.Int32,
reflect.Int64:
return strconv.FormatInt(v.Int(), 10)
case reflect.Uint,
reflect.Uint8,
reflect.Uint16,
reflect.Uint32,
reflect.Uint64:
return strconv.FormatUint(v.Uint(), 10)
case reflect.Float32:
return strconv.FormatFloat(v.Float(), 'g', -1, 32)
case reflect.Float64:
return strconv.FormatFloat(v.Float(), 'g', -1, 64)
case reflect.Complex64, reflect.Complex128:
s := fmt.Sprintf("%g", v.Complex())
return strings.TrimSuffix(strings.TrimPrefix(s, "("), ")")
case reflect.String:
return v.String()
}
panic(t.String() + " has unsupported kind " + t.Kind().String())
}
func isEmptyValue(v reflect.Value) bool {
switch t := v.Type(); v.Kind() {
case reflect.Array, reflect.Map, reflect.Slice, reflect.String:
return v.Len() == 0
case reflect.Bool:
return !v.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return v.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return v.Uint() == 0
case reflect.Float32, reflect.Float64:
return v.Float() == 0
case reflect.Complex64, reflect.Complex128:
return v.Complex() == 0
case reflect.Interface, reflect.Ptr:
return v.IsNil()
case reflect.Struct:
if t.ConvertibleTo(timeType) {
return v.Convert(timeType).Interface().(time.Time).IsZero()
}
return reflect.DeepEqual(v, reflect.Zero(t))
}
return false
}
// canIndexOrdinally returns whether a value contains an ordered sequence of elements.
func canIndexOrdinally(v reflect.Value) bool {
if !v.IsValid() {
return false
}
switch t := v.Type(); t.Kind() {
case reflect.Ptr, reflect.Interface:
return canIndexOrdinally(v.Elem())
case reflect.Slice, reflect.Array:
return true
}
return false
}
func fieldInfo(f reflect.StructField) (k string, oe bool) {
if f.PkgPath != "" { // Skip private fields.
return omittedKey, oe
}
k = f.Name
tag := f.Tag.Get("form")
if tag == "" {
return k, oe
}
ps := strings.SplitN(tag, ",", 2)
if ps[0] != "" {
k = ps[0]
}
if len(ps) == 2 {
oe = ps[1] == "omitempty"
}
return k, oe
}
func findField(v reflect.Value, n string, ignoreCase bool) (reflect.Value, bool) {
t := v.Type()
l := v.NumField()
var lowerN string
caseInsensitiveMatch := -1
if ignoreCase {
lowerN = strings.ToLower(n)
}
// First try named fields.
for i := 0; i < l; i++ {
f := t.Field(i)
k, _ := fieldInfo(f)
if k == omittedKey {
continue
} else if n == k {
return v.Field(i), true
} else if ignoreCase && lowerN == strings.ToLower(k) {
caseInsensitiveMatch = i
}
}
// If no exact match was found try case insensitive match.
if caseInsensitiveMatch != -1 {
return v.Field(caseInsensitiveMatch), true
}
// Then try anonymous (embedded) fields.
for i := 0; i < l; i++ {
f := t.Field(i)
k, _ := fieldInfo(f)
if k == omittedKey || !f.Anonymous { // || k != "" ?
continue
}
fv := v.Field(i)
fk := fv.Kind()
for fk == reflect.Ptr || fk == reflect.Interface {
fv = fv.Elem()
fk = fv.Kind()
}
if fk != reflect.Struct {
continue
}
if ev, ok := findField(fv, n, ignoreCase); ok {
return ev, true
}
}
return reflect.Value{}, false
}
var (
stringType = reflect.TypeOf(string(""))
stringMapType = reflect.TypeOf(map[string]interface{}{})
timeType = reflect.TypeOf(time.Time{})
timePtrType = reflect.TypeOf(&time.Time{})
urlType = reflect.TypeOf(url.URL{})
)
func skipTextMarshalling(t reflect.Type) bool {
/*// Skip time.Time because its text unmarshaling is overly rigid:
return t == timeType || t == timePtrType*/
// Skip time.Time & convertibles because its text unmarshaling is overly rigid:
return t.ConvertibleTo(timeType) || t.ConvertibleTo(timePtrType)
}
func unmarshalValue(v reflect.Value, x interface{}) bool {
if skipTextMarshalling(v.Type()) {
return false
}
tu, ok := v.Interface().(encoding.TextUnmarshaler)
if !ok && !v.CanAddr() {
return false
} else if !ok {
return unmarshalValue(v.Addr(), x)
}
s := getString(x)
if err := tu.UnmarshalText([]byte(s)); err != nil {
panic(err)
}
return true
}
func marshalValue(v reflect.Value) (string, bool) {
if skipTextMarshalling(v.Type()) {
return "", false
}
tm, ok := v.Interface().(encoding.TextMarshaler)
if !ok && !v.CanAddr() {
return "", false
} else if !ok {
return marshalValue(v.Addr())
}
bs, err := tm.MarshalText()
if err != nil {
panic(err)
}
return string(bs), true
}

14
backend/vendor/github.com/ajg/form/form.go generated vendored Normal file
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@ -0,0 +1,14 @@
// Copyright 2014 Alvaro J. Genial. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package form implements encoding and decoding of application/x-www-form-urlencoded data.
package form
const (
implicitKey = "_"
omittedKey = "-"
defaultDelimiter = '.'
defaultEscape = '\\'
)

152
backend/vendor/github.com/ajg/form/node.go generated vendored Normal file
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@ -0,0 +1,152 @@
// Copyright 2014 Alvaro J. Genial. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package form
import (
"net/url"
"strconv"
"strings"
)
type node map[string]interface{}
func (n node) values(d, e rune) url.Values {
vs := url.Values{}
n.merge(d, e, "", &vs)
return vs
}
func (n node) merge(d, e rune, p string, vs *url.Values) {
for k, x := range n {
switch y := x.(type) {
case string:
vs.Add(p+escape(d, e, k), y)
case node:
y.merge(d, e, p+escape(d, e, k)+string(d), vs)
default:
panic("value is neither string nor node")
}
}
}
// TODO: Add tests for implicit indexing.
func parseValues(d, e rune, vs url.Values, canIndexFirstLevelOrdinally bool) node {
// NOTE: Because of the flattening of potentially multiple strings to one key, implicit indexing works:
// i. At the first level; e.g. Foo.Bar=A&Foo.Bar=B becomes 0.Foo.Bar=A&1.Foo.Bar=B
// ii. At the last level; e.g. Foo.Bar._=A&Foo.Bar._=B becomes Foo.Bar.0=A&Foo.Bar.1=B
// TODO: At in-between levels; e.g. Foo._.Bar=A&Foo._.Bar=B becomes Foo.0.Bar=A&Foo.1.Bar=B
// (This last one requires that there only be one placeholder in order for it to be unambiguous.)
m := map[string]string{}
for k, ss := range vs {
indexLastLevelOrdinally := strings.HasSuffix(k, string(d)+implicitKey)
for i, s := range ss {
if canIndexFirstLevelOrdinally {
k = strconv.Itoa(i) + string(d) + k
} else if indexLastLevelOrdinally {
k = strings.TrimSuffix(k, implicitKey) + strconv.Itoa(i)
}
m[k] = s
}
}
n := node{}
for k, s := range m {
n = n.split(d, e, k, s)
}
return n
}
func splitPath(d, e rune, path string) (k, rest string) {
esc := false
for i, r := range path {
switch {
case !esc && r == e:
esc = true
case !esc && r == d:
return unescape(d, e, path[:i]), path[i+1:]
default:
esc = false
}
}
return unescape(d, e, path), ""
}
func (n node) split(d, e rune, path, s string) node {
k, rest := splitPath(d, e, path)
if rest == "" {
return add(n, k, s)
}
if _, ok := n[k]; !ok {
n[k] = node{}
}
c := getNode(n[k])
n[k] = c.split(d, e, rest, s)
return n
}
func add(n node, k, s string) node {
if n == nil {
return node{k: s}
}
if _, ok := n[k]; ok {
panic("key " + k + " already set")
}
n[k] = s
return n
}
func isEmpty(x interface{}) bool {
switch y := x.(type) {
case string:
return y == ""
case node:
if s, ok := y[""].(string); ok {
return s == ""
}
return false
}
panic("value is neither string nor node")
}
func getNode(x interface{}) node {
switch y := x.(type) {
case string:
return node{"": y}
case node:
return y
}
panic("value is neither string nor node")
}
func getString(x interface{}) string {
switch y := x.(type) {
case string:
return y
case node:
if s, ok := y[""].(string); ok {
return s
}
return ""
}
panic("value is neither string nor node")
}
func escape(d, e rune, s string) string {
s = strings.Replace(s, string(e), string(e)+string(e), -1) // Escape the escape (\ => \\)
s = strings.Replace(s, string(d), string(e)+string(d), -1) // Escape the delimiter (. => \.)
return s
}
func unescape(d, e rune, s string) string {
s = strings.Replace(s, string(e)+string(d), string(d), -1) // Unescape the delimiter (\. => .)
s = strings.Replace(s, string(e)+string(e), string(e), -1) // Unescape the escape (\\ => \)
return s
}

18
backend/vendor/github.com/ajg/form/pre-commit.sh generated vendored Normal file
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@ -0,0 +1,18 @@
#!/bin/bash -eu
# TODO: Only colorize messages given a suitable terminal.
# FIXME: Handle case in which no stash entry is created due to no changes.
printf "\e[30m=== PRE-COMMIT STARTING ===\e[m\n"
git stash save --quiet --keep-index --include-untracked
if go build -v ./... && go test -v -cover ./... && go vet ./... && golint . && travis-lint; then
result=$?
printf "\e[32m=== PRE-COMMIT SUCCEEDED ===\e[m\n"
else
result=$?
printf "\e[31m=== PRE-COMMIT FAILED ===\e[m\n"
fi
git stash pop --quiet
exit $result

22
backend/vendor/github.com/cespare/xxhash/v2/LICENSE.txt generated vendored Normal file
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@ -0,0 +1,22 @@
Copyright (c) 2016 Caleb Spare
MIT License
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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backend/vendor/github.com/cespare/xxhash/v2/README.md generated vendored Normal file
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# xxhash
[![Go Reference](https://pkg.go.dev/badge/github.com/cespare/xxhash/v2.svg)](https://pkg.go.dev/github.com/cespare/xxhash/v2)
[![Test](https://github.com/cespare/xxhash/actions/workflows/test.yml/badge.svg)](https://github.com/cespare/xxhash/actions/workflows/test.yml)
xxhash is a Go implementation of the 64-bit
[xxHash](http://cyan4973.github.io/xxHash/) algorithm, XXH64. This is a
high-quality hashing algorithm that is much faster than anything in the Go
standard library.
This package provides a straightforward API:
```
func Sum64(b []byte) uint64
func Sum64String(s string) uint64
type Digest struct{ ... }
func New() *Digest
```
The `Digest` type implements hash.Hash64. Its key methods are:
```
func (*Digest) Write([]byte) (int, error)
func (*Digest) WriteString(string) (int, error)
func (*Digest) Sum64() uint64
```
This implementation provides a fast pure-Go implementation and an even faster
assembly implementation for amd64.
## Compatibility
This package is in a module and the latest code is in version 2 of the module.
You need a version of Go with at least "minimal module compatibility" to use
github.com/cespare/xxhash/v2:
* 1.9.7+ for Go 1.9
* 1.10.3+ for Go 1.10
* Go 1.11 or later
I recommend using the latest release of Go.
## Benchmarks
Here are some quick benchmarks comparing the pure-Go and assembly
implementations of Sum64.
| input size | purego | asm |
| --- | --- | --- |
| 5 B | 979.66 MB/s | 1291.17 MB/s |
| 100 B | 7475.26 MB/s | 7973.40 MB/s |
| 4 KB | 17573.46 MB/s | 17602.65 MB/s |
| 10 MB | 17131.46 MB/s | 17142.16 MB/s |
These numbers were generated on Ubuntu 18.04 with an Intel i7-8700K CPU using
the following commands under Go 1.11.2:
```
$ go test -tags purego -benchtime 10s -bench '/xxhash,direct,bytes'
$ go test -benchtime 10s -bench '/xxhash,direct,bytes'
```
## Projects using this package
- [InfluxDB](https://github.com/influxdata/influxdb)
- [Prometheus](https://github.com/prometheus/prometheus)
- [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics)
- [FreeCache](https://github.com/coocood/freecache)
- [FastCache](https://github.com/VictoriaMetrics/fastcache)

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backend/vendor/github.com/cespare/xxhash/v2/xxhash.go generated vendored Normal file
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// Package xxhash implements the 64-bit variant of xxHash (XXH64) as described
// at http://cyan4973.github.io/xxHash/.
package xxhash
import (
"encoding/binary"
"errors"
"math/bits"
)
const (
prime1 uint64 = 11400714785074694791
prime2 uint64 = 14029467366897019727
prime3 uint64 = 1609587929392839161
prime4 uint64 = 9650029242287828579
prime5 uint64 = 2870177450012600261
)
// NOTE(caleb): I'm using both consts and vars of the primes. Using consts where
// possible in the Go code is worth a small (but measurable) performance boost
// by avoiding some MOVQs. Vars are needed for the asm and also are useful for
// convenience in the Go code in a few places where we need to intentionally
// avoid constant arithmetic (e.g., v1 := prime1 + prime2 fails because the
// result overflows a uint64).
var (
prime1v = prime1
prime2v = prime2
prime3v = prime3
prime4v = prime4
prime5v = prime5
)
// Digest implements hash.Hash64.
type Digest struct {
v1 uint64
v2 uint64
v3 uint64
v4 uint64
total uint64
mem [32]byte
n int // how much of mem is used
}
// New creates a new Digest that computes the 64-bit xxHash algorithm.
func New() *Digest {
var d Digest
d.Reset()
return &d
}
// Reset clears the Digest's state so that it can be reused.
func (d *Digest) Reset() {
d.v1 = prime1v + prime2
d.v2 = prime2
d.v3 = 0
d.v4 = -prime1v
d.total = 0
d.n = 0
}
// Size always returns 8 bytes.
func (d *Digest) Size() int { return 8 }
// BlockSize always returns 32 bytes.
func (d *Digest) BlockSize() int { return 32 }
// Write adds more data to d. It always returns len(b), nil.
func (d *Digest) Write(b []byte) (n int, err error) {
n = len(b)
d.total += uint64(n)
if d.n+n < 32 {
// This new data doesn't even fill the current block.
copy(d.mem[d.n:], b)
d.n += n
return
}
if d.n > 0 {
// Finish off the partial block.
copy(d.mem[d.n:], b)
d.v1 = round(d.v1, u64(d.mem[0:8]))
d.v2 = round(d.v2, u64(d.mem[8:16]))
d.v3 = round(d.v3, u64(d.mem[16:24]))
d.v4 = round(d.v4, u64(d.mem[24:32]))
b = b[32-d.n:]
d.n = 0
}
if len(b) >= 32 {
// One or more full blocks left.
nw := writeBlocks(d, b)
b = b[nw:]
}
// Store any remaining partial block.
copy(d.mem[:], b)
d.n = len(b)
return
}
// Sum appends the current hash to b and returns the resulting slice.
func (d *Digest) Sum(b []byte) []byte {
s := d.Sum64()
return append(
b,
byte(s>>56),
byte(s>>48),
byte(s>>40),
byte(s>>32),
byte(s>>24),
byte(s>>16),
byte(s>>8),
byte(s),
)
}
// Sum64 returns the current hash.
func (d *Digest) Sum64() uint64 {
var h uint64
if d.total >= 32 {
v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4
h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
h = mergeRound(h, v1)
h = mergeRound(h, v2)
h = mergeRound(h, v3)
h = mergeRound(h, v4)
} else {
h = d.v3 + prime5
}
h += d.total
i, end := 0, d.n
for ; i+8 <= end; i += 8 {
k1 := round(0, u64(d.mem[i:i+8]))
h ^= k1
h = rol27(h)*prime1 + prime4
}
if i+4 <= end {
h ^= uint64(u32(d.mem[i:i+4])) * prime1
h = rol23(h)*prime2 + prime3
i += 4
}
for i < end {
h ^= uint64(d.mem[i]) * prime5
h = rol11(h) * prime1
i++
}
h ^= h >> 33
h *= prime2
h ^= h >> 29
h *= prime3
h ^= h >> 32
return h
}
const (
magic = "xxh\x06"
marshaledSize = len(magic) + 8*5 + 32
)
// MarshalBinary implements the encoding.BinaryMarshaler interface.
func (d *Digest) MarshalBinary() ([]byte, error) {
b := make([]byte, 0, marshaledSize)
b = append(b, magic...)
b = appendUint64(b, d.v1)
b = appendUint64(b, d.v2)
b = appendUint64(b, d.v3)
b = appendUint64(b, d.v4)
b = appendUint64(b, d.total)
b = append(b, d.mem[:d.n]...)
b = b[:len(b)+len(d.mem)-d.n]
return b, nil
}
// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
func (d *Digest) UnmarshalBinary(b []byte) error {
if len(b) < len(magic) || string(b[:len(magic)]) != magic {
return errors.New("xxhash: invalid hash state identifier")
}
if len(b) != marshaledSize {
return errors.New("xxhash: invalid hash state size")
}
b = b[len(magic):]
b, d.v1 = consumeUint64(b)
b, d.v2 = consumeUint64(b)
b, d.v3 = consumeUint64(b)
b, d.v4 = consumeUint64(b)
b, d.total = consumeUint64(b)
copy(d.mem[:], b)
d.n = int(d.total % uint64(len(d.mem)))
return nil
}
func appendUint64(b []byte, x uint64) []byte {
var a [8]byte
binary.LittleEndian.PutUint64(a[:], x)
return append(b, a[:]...)
}
func consumeUint64(b []byte) ([]byte, uint64) {
x := u64(b)
return b[8:], x
}
func u64(b []byte) uint64 { return binary.LittleEndian.Uint64(b) }
func u32(b []byte) uint32 { return binary.LittleEndian.Uint32(b) }
func round(acc, input uint64) uint64 {
acc += input * prime2
acc = rol31(acc)
acc *= prime1
return acc
}
func mergeRound(acc, val uint64) uint64 {
val = round(0, val)
acc ^= val
acc = acc*prime1 + prime4
return acc
}
func rol1(x uint64) uint64 { return bits.RotateLeft64(x, 1) }
func rol7(x uint64) uint64 { return bits.RotateLeft64(x, 7) }
func rol11(x uint64) uint64 { return bits.RotateLeft64(x, 11) }
func rol12(x uint64) uint64 { return bits.RotateLeft64(x, 12) }
func rol18(x uint64) uint64 { return bits.RotateLeft64(x, 18) }
func rol23(x uint64) uint64 { return bits.RotateLeft64(x, 23) }
func rol27(x uint64) uint64 { return bits.RotateLeft64(x, 27) }
func rol31(x uint64) uint64 { return bits.RotateLeft64(x, 31) }

13
backend/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.go generated vendored Normal file
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// +build !appengine
// +build gc
// +build !purego
package xxhash
// Sum64 computes the 64-bit xxHash digest of b.
//
//go:noescape
func Sum64(b []byte) uint64
//go:noescape
func writeBlocks(d *Digest, b []byte) int

215
backend/vendor/github.com/cespare/xxhash/v2/xxhash_amd64.s generated vendored Normal file
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// +build !appengine
// +build gc
// +build !purego
#include "textflag.h"
// Register allocation:
// AX h
// SI pointer to advance through b
// DX n
// BX loop end
// R8 v1, k1
// R9 v2
// R10 v3
// R11 v4
// R12 tmp
// R13 prime1v
// R14 prime2v
// DI prime4v
// round reads from and advances the buffer pointer in SI.
// It assumes that R13 has prime1v and R14 has prime2v.
#define round(r) \
MOVQ (SI), R12 \
ADDQ $8, SI \
IMULQ R14, R12 \
ADDQ R12, r \
ROLQ $31, r \
IMULQ R13, r
// mergeRound applies a merge round on the two registers acc and val.
// It assumes that R13 has prime1v, R14 has prime2v, and DI has prime4v.
#define mergeRound(acc, val) \
IMULQ R14, val \
ROLQ $31, val \
IMULQ R13, val \
XORQ val, acc \
IMULQ R13, acc \
ADDQ DI, acc
// func Sum64(b []byte) uint64
TEXT ·Sum64(SB), NOSPLIT, $0-32
// Load fixed primes.
MOVQ ·prime1v(SB), R13
MOVQ ·prime2v(SB), R14
MOVQ ·prime4v(SB), DI
// Load slice.
MOVQ b_base+0(FP), SI
MOVQ b_len+8(FP), DX
LEAQ (SI)(DX*1), BX
// The first loop limit will be len(b)-32.
SUBQ $32, BX
// Check whether we have at least one block.
CMPQ DX, $32
JLT noBlocks
// Set up initial state (v1, v2, v3, v4).
MOVQ R13, R8
ADDQ R14, R8
MOVQ R14, R9
XORQ R10, R10
XORQ R11, R11
SUBQ R13, R11
// Loop until SI > BX.
blockLoop:
round(R8)
round(R9)
round(R10)
round(R11)
CMPQ SI, BX
JLE blockLoop
MOVQ R8, AX
ROLQ $1, AX
MOVQ R9, R12
ROLQ $7, R12
ADDQ R12, AX
MOVQ R10, R12
ROLQ $12, R12
ADDQ R12, AX
MOVQ R11, R12
ROLQ $18, R12
ADDQ R12, AX
mergeRound(AX, R8)
mergeRound(AX, R9)
mergeRound(AX, R10)
mergeRound(AX, R11)
JMP afterBlocks
noBlocks:
MOVQ ·prime5v(SB), AX
afterBlocks:
ADDQ DX, AX
// Right now BX has len(b)-32, and we want to loop until SI > len(b)-8.
ADDQ $24, BX
CMPQ SI, BX
JG fourByte
wordLoop:
// Calculate k1.
MOVQ (SI), R8
ADDQ $8, SI
IMULQ R14, R8
ROLQ $31, R8
IMULQ R13, R8
XORQ R8, AX
ROLQ $27, AX
IMULQ R13, AX
ADDQ DI, AX
CMPQ SI, BX
JLE wordLoop
fourByte:
ADDQ $4, BX
CMPQ SI, BX
JG singles
MOVL (SI), R8
ADDQ $4, SI
IMULQ R13, R8
XORQ R8, AX
ROLQ $23, AX
IMULQ R14, AX
ADDQ ·prime3v(SB), AX
singles:
ADDQ $4, BX
CMPQ SI, BX
JGE finalize
singlesLoop:
MOVBQZX (SI), R12
ADDQ $1, SI
IMULQ ·prime5v(SB), R12
XORQ R12, AX
ROLQ $11, AX
IMULQ R13, AX
CMPQ SI, BX
JL singlesLoop
finalize:
MOVQ AX, R12
SHRQ $33, R12
XORQ R12, AX
IMULQ R14, AX
MOVQ AX, R12
SHRQ $29, R12
XORQ R12, AX
IMULQ ·prime3v(SB), AX
MOVQ AX, R12
SHRQ $32, R12
XORQ R12, AX
MOVQ AX, ret+24(FP)
RET
// writeBlocks uses the same registers as above except that it uses AX to store
// the d pointer.
// func writeBlocks(d *Digest, b []byte) int
TEXT ·writeBlocks(SB), NOSPLIT, $0-40
// Load fixed primes needed for round.
MOVQ ·prime1v(SB), R13
MOVQ ·prime2v(SB), R14
// Load slice.
MOVQ b_base+8(FP), SI
MOVQ b_len+16(FP), DX
LEAQ (SI)(DX*1), BX
SUBQ $32, BX
// Load vN from d.
MOVQ d+0(FP), AX
MOVQ 0(AX), R8 // v1
MOVQ 8(AX), R9 // v2
MOVQ 16(AX), R10 // v3
MOVQ 24(AX), R11 // v4
// We don't need to check the loop condition here; this function is
// always called with at least one block of data to process.
blockLoop:
round(R8)
round(R9)
round(R10)
round(R11)
CMPQ SI, BX
JLE blockLoop
// Copy vN back to d.
MOVQ R8, 0(AX)
MOVQ R9, 8(AX)
MOVQ R10, 16(AX)
MOVQ R11, 24(AX)
// The number of bytes written is SI minus the old base pointer.
SUBQ b_base+8(FP), SI
MOVQ SI, ret+32(FP)
RET

76
backend/vendor/github.com/cespare/xxhash/v2/xxhash_other.go generated vendored Normal file
View File

@ -0,0 +1,76 @@
// +build !amd64 appengine !gc purego
package xxhash
// Sum64 computes the 64-bit xxHash digest of b.
func Sum64(b []byte) uint64 {
// A simpler version would be
// d := New()
// d.Write(b)
// return d.Sum64()
// but this is faster, particularly for small inputs.
n := len(b)
var h uint64
if n >= 32 {
v1 := prime1v + prime2
v2 := prime2
v3 := uint64(0)
v4 := -prime1v
for len(b) >= 32 {
v1 = round(v1, u64(b[0:8:len(b)]))
v2 = round(v2, u64(b[8:16:len(b)]))
v3 = round(v3, u64(b[16:24:len(b)]))
v4 = round(v4, u64(b[24:32:len(b)]))
b = b[32:len(b):len(b)]
}
h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
h = mergeRound(h, v1)
h = mergeRound(h, v2)
h = mergeRound(h, v3)
h = mergeRound(h, v4)
} else {
h = prime5
}
h += uint64(n)
i, end := 0, len(b)
for ; i+8 <= end; i += 8 {
k1 := round(0, u64(b[i:i+8:len(b)]))
h ^= k1
h = rol27(h)*prime1 + prime4
}
if i+4 <= end {
h ^= uint64(u32(b[i:i+4:len(b)])) * prime1
h = rol23(h)*prime2 + prime3
i += 4
}
for ; i < end; i++ {
h ^= uint64(b[i]) * prime5
h = rol11(h) * prime1
}
h ^= h >> 33
h *= prime2
h ^= h >> 29
h *= prime3
h ^= h >> 32
return h
}
func writeBlocks(d *Digest, b []byte) int {
v1, v2, v3, v4 := d.v1, d.v2, d.v3, d.v4
n := len(b)
for len(b) >= 32 {
v1 = round(v1, u64(b[0:8:len(b)]))
v2 = round(v2, u64(b[8:16:len(b)]))
v3 = round(v3, u64(b[16:24:len(b)]))
v4 = round(v4, u64(b[24:32:len(b)]))
b = b[32:len(b):len(b)]
}
d.v1, d.v2, d.v3, d.v4 = v1, v2, v3, v4
return n - len(b)
}

15
backend/vendor/github.com/cespare/xxhash/v2/xxhash_safe.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
// +build appengine
// This file contains the safe implementations of otherwise unsafe-using code.
package xxhash
// Sum64String computes the 64-bit xxHash digest of s.
func Sum64String(s string) uint64 {
return Sum64([]byte(s))
}
// WriteString adds more data to d. It always returns len(s), nil.
func (d *Digest) WriteString(s string) (n int, err error) {
return d.Write([]byte(s))
}

57
backend/vendor/github.com/cespare/xxhash/v2/xxhash_unsafe.go generated vendored Normal file
View File

@ -0,0 +1,57 @@
// +build !appengine
// This file encapsulates usage of unsafe.
// xxhash_safe.go contains the safe implementations.
package xxhash
import (
"unsafe"
)
// In the future it's possible that compiler optimizations will make these
// XxxString functions unnecessary by realizing that calls such as
// Sum64([]byte(s)) don't need to copy s. See https://golang.org/issue/2205.
// If that happens, even if we keep these functions they can be replaced with
// the trivial safe code.
// NOTE: The usual way of doing an unsafe string-to-[]byte conversion is:
//
// var b []byte
// bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
// bh.Data = (*reflect.StringHeader)(unsafe.Pointer(&s)).Data
// bh.Len = len(s)
// bh.Cap = len(s)
//
// Unfortunately, as of Go 1.15.3 the inliner's cost model assigns a high enough
// weight to this sequence of expressions that any function that uses it will
// not be inlined. Instead, the functions below use a different unsafe
// conversion designed to minimize the inliner weight and allow both to be
// inlined. There is also a test (TestInlining) which verifies that these are
// inlined.
//
// See https://github.com/golang/go/issues/42739 for discussion.
// Sum64String computes the 64-bit xxHash digest of s.
// It may be faster than Sum64([]byte(s)) by avoiding a copy.
func Sum64String(s string) uint64 {
b := *(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)}))
return Sum64(b)
}
// WriteString adds more data to d. It always returns len(s), nil.
// It may be faster than Write([]byte(s)) by avoiding a copy.
func (d *Digest) WriteString(s string) (n int, err error) {
d.Write(*(*[]byte)(unsafe.Pointer(&sliceHeader{s, len(s)})))
// d.Write always returns len(s), nil.
// Ignoring the return output and returning these fixed values buys a
// savings of 6 in the inliner's cost model.
return len(s), nil
}
// sliceHeader is similar to reflect.SliceHeader, but it assumes that the layout
// of the first two words is the same as the layout of a string.
type sliceHeader struct {
s string
cap int
}

21
backend/vendor/github.com/dgryski/go-rendezvous/LICENSE generated vendored Normal file
View File

@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) 2017-2020 Damian Gryski <damian@gryski.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

79
backend/vendor/github.com/dgryski/go-rendezvous/rdv.go generated vendored Normal file
View File

@ -0,0 +1,79 @@
package rendezvous
type Rendezvous struct {
nodes map[string]int
nstr []string
nhash []uint64
hash Hasher
}
type Hasher func(s string) uint64
func New(nodes []string, hash Hasher) *Rendezvous {
r := &Rendezvous{
nodes: make(map[string]int, len(nodes)),
nstr: make([]string, len(nodes)),
nhash: make([]uint64, len(nodes)),
hash: hash,
}
for i, n := range nodes {
r.nodes[n] = i
r.nstr[i] = n
r.nhash[i] = hash(n)
}
return r
}
func (r *Rendezvous) Lookup(k string) string {
// short-circuit if we're empty
if len(r.nodes) == 0 {
return ""
}
khash := r.hash(k)
var midx int
var mhash = xorshiftMult64(khash ^ r.nhash[0])
for i, nhash := range r.nhash[1:] {
if h := xorshiftMult64(khash ^ nhash); h > mhash {
midx = i + 1
mhash = h
}
}
return r.nstr[midx]
}
func (r *Rendezvous) Add(node string) {
r.nodes[node] = len(r.nstr)
r.nstr = append(r.nstr, node)
r.nhash = append(r.nhash, r.hash(node))
}
func (r *Rendezvous) Remove(node string) {
// find index of node to remove
nidx := r.nodes[node]
// remove from the slices
l := len(r.nstr)
r.nstr[nidx] = r.nstr[l]
r.nstr = r.nstr[:l]
r.nhash[nidx] = r.nhash[l]
r.nhash = r.nhash[:l]
// update the map
delete(r.nodes, node)
moved := r.nstr[nidx]
r.nodes[moved] = nidx
}
func xorshiftMult64(x uint64) uint64 {
x ^= x >> 12 // a
x ^= x << 25 // b
x ^= x >> 27 // c
return x * 2685821657736338717
}

1
backend/vendor/github.com/go-chi/render/.gitignore generated vendored Normal file
View File

@ -0,0 +1 @@
vendor

15
backend/vendor/github.com/go-chi/render/.travis.yml generated vendored
View File

@ -1,15 +0,0 @@
language: go
go:
- 1.7.x
- 1.8.x
- tip
install:
- go get -u golang.org/x/tools/cmd/goimports
script:
- go get -d -t ./...
- go test ./...
- >
goimports -d -e ./ | grep '.*' && { echo; echo "Aborting due to non-empty goimports output."; exit 1; } || :

5
backend/vendor/github.com/go-chi/render/README.md generated vendored
View File

@ -1,5 +1,9 @@
# render
![tests](https://github.com/go-chi/render/actions/workflows/test.yml/badge.svg)
[![Go Report Card](https://goreportcard.com/badge/github.com/go-chi/render)](https://goreportcard.com/report/github.com/go-chi/render)
[![Go Reference](https://pkg.go.dev/badge/github.com/go-chi/render.svg)](https://pkg.go.dev/github.com/go-chi/render)
The `render` package helps manage HTTP request / response payloads.
Every well-designed, robust and maintainable Web Service / REST API also needs
@ -21,4 +25,3 @@ request bodies. Please have a look at the [rest](https://github.com/go-chi/chi/b
example which uses the latest chi/render sub-pkg.
All feedback is welcome, thank you!

19
backend/vendor/github.com/go-chi/render/decoder.go generated vendored
View File

@ -7,6 +7,8 @@ import (
"io"
"io/ioutil"
"net/http"
"github.com/ajg/form"
)
// Decode is a package-level variable set to our default Decoder. We do this
@ -17,6 +19,8 @@ import (
// bytes allowed to be read from the request body.
var Decode = DefaultDecoder
// DefaultDecoder detects the correct decoder for use on an HTTP request and
// marshals into a given interface.
func DefaultDecoder(r *http.Request, v interface{}) error {
var err error
@ -25,7 +29,8 @@ func DefaultDecoder(r *http.Request, v interface{}) error {
err = DecodeJSON(r.Body, v)
case ContentTypeXML:
err = DecodeXML(r.Body, v)
// case ContentTypeForm: // TODO
case ContentTypeForm:
err = DecodeForm(r.Body, v)
default:
err = errors.New("render: unable to automatically decode the request content type")
}
@ -33,12 +38,20 @@ func DefaultDecoder(r *http.Request, v interface{}) error {
return err
}
// DecodeJSON decodes a given reader into an interface using the json decoder.
func DecodeJSON(r io.Reader, v interface{}) error {
defer io.Copy(ioutil.Discard, r)
defer io.Copy(ioutil.Discard, r) //nolint:errcheck
return json.NewDecoder(r).Decode(v)
}
// DecodeXML decodes a given reader into an interface using the xml decoder.
func DecodeXML(r io.Reader, v interface{}) error {
defer io.Copy(ioutil.Discard, r)
defer io.Copy(ioutil.Discard, r) //nolint:errcheck
return xml.NewDecoder(r).Decode(v)
}
// DecodeForm decodes a given reader into an interface using the form decoder.
func DecodeForm(r io.Reader, v interface{}) error {
decoder := form.NewDecoder(r) //nolint:errcheck
return decoder.Decode(v)
}

26
backend/vendor/github.com/go-chi/render/responder.go generated vendored
View File

@ -66,7 +66,7 @@ func PlainText(w http.ResponseWriter, r *http.Request, v string) {
if status, ok := r.Context().Value(StatusCtxKey).(int); ok {
w.WriteHeader(status)
}
w.Write([]byte(v))
w.Write([]byte(v)) //nolint:errcheck
}
// Data writes raw bytes to the response, setting the Content-Type as
@ -76,7 +76,7 @@ func Data(w http.ResponseWriter, r *http.Request, v []byte) {
if status, ok := r.Context().Value(StatusCtxKey).(int); ok {
w.WriteHeader(status)
}
w.Write(v)
w.Write(v) //nolint:errcheck
}
// HTML writes a string to the response, setting the Content-Type as text/html.
@ -85,7 +85,7 @@ func HTML(w http.ResponseWriter, r *http.Request, v string) {
if status, ok := r.Context().Value(StatusCtxKey).(int); ok {
w.WriteHeader(status)
}
w.Write([]byte(v))
w.Write([]byte(v)) //nolint:errcheck
}
// JSON marshals 'v' to JSON, automatically escaping HTML and setting the
@ -103,7 +103,7 @@ func JSON(w http.ResponseWriter, r *http.Request, v interface{}) {
if status, ok := r.Context().Value(StatusCtxKey).(int); ok {
w.WriteHeader(status)
}
w.Write(buf.Bytes())
w.Write(buf.Bytes()) //nolint:errcheck
}
// XML marshals 'v' to JSON, setting the Content-Type as application/xml. It
@ -128,15 +128,15 @@ func XML(w http.ResponseWriter, r *http.Request, v interface{}) {
}
if !bytes.Contains(b[:findHeaderUntil], []byte("<?xml")) {
// No header found. Print it out first.
w.Write([]byte(xml.Header))
w.Write([]byte(xml.Header)) //nolint:errcheck
}
w.Write(b)
w.Write(b) //nolint:errcheck
}
// NoContent returns a HTTP 204 "No Content" response.
func NoContent(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(204)
w.WriteHeader(http.StatusNoContent)
}
func channelEventStream(w http.ResponseWriter, r *http.Request, v interface{}) {
@ -153,7 +153,7 @@ func channelEventStream(w http.ResponseWriter, r *http.Request, v interface{}) {
w.Header().Set("Connection", "keep-alive")
}
w.WriteHeader(200)
w.WriteHeader(http.StatusOK)
ctx := r.Context()
for {
@ -162,12 +162,12 @@ func channelEventStream(w http.ResponseWriter, r *http.Request, v interface{}) {
{Dir: reflect.SelectRecv, Chan: reflect.ValueOf(v)},
}); chosen {
case 0: // equivalent to: case <-ctx.Done()
w.Write([]byte("event: error\ndata: {\"error\":\"Server Timeout\"}\n\n"))
w.Write([]byte("event: error\ndata: {\"error\":\"Server Timeout\"}\n\n")) //nolint:errcheck
return
default: // equivalent to: case v, ok := <-stream
if !ok {
w.Write([]byte("event: EOF\n\n"))
w.Write([]byte("event: EOF\n\n")) //nolint:errcheck
return
}
v := recv.Interface()
@ -184,13 +184,13 @@ func channelEventStream(w http.ResponseWriter, r *http.Request, v interface{}) {
bytes, err := json.Marshal(v)
if err != nil {
w.Write([]byte(fmt.Sprintf("event: error\ndata: {\"error\":\"%v\"}\n\n", err)))
w.Write([]byte(fmt.Sprintf("event: error\ndata: {\"error\":\"%v\"}\n\n", err))) //nolint:errcheck
if f, ok := w.(http.Flusher); ok {
f.Flush()
}
continue
}
w.Write([]byte(fmt.Sprintf("event: data\ndata: %s\n\n", bytes)))
w.Write([]byte(fmt.Sprintf("event: data\ndata: %s\n\n", bytes))) //nolint:errcheck
if f, ok := w.(http.Flusher); ok {
f.Flush()
}
@ -209,7 +209,7 @@ func channelIntoSlice(w http.ResponseWriter, r *http.Request, from interface{})
{Dir: reflect.SelectRecv, Chan: reflect.ValueOf(from)},
}); chosen {
case 0: // equivalent to: case <-ctx.Done()
http.Error(w, "Server Timeout", 504)
http.Error(w, "Server Timeout", http.StatusGatewayTimeout)
return nil
default: // equivalent to: case v, ok := <-stream

5
backend/vendor/github.com/go-pkgz/auth/auth.go generated vendored
View File

@ -257,8 +257,8 @@ func (s *Service) AddProvider(name, cid, csecret string) {
s.authMiddleware.Providers = s.providers
}
// AddDevProvider with a custom port
func (s *Service) AddDevProvider(port int) {
// AddDevProvider with a custom host and port
func (s *Service) AddDevProvider(host string, port int) {
p := provider.Params{
URL: s.opts.URL,
JwtService: s.jwtService,
@ -266,6 +266,7 @@ func (s *Service) AddDevProvider(port int) {
AvatarSaver: s.avatarProxy,
L: s.logger,
Port: port,
Host: host,
}
s.providers = append(s.providers, provider.NewService(provider.NewDev(p)))
}

21
backend/vendor/github.com/go-pkgz/auth/provider/dev_provider.go generated vendored
View File

@ -16,7 +16,10 @@ import (
"github.com/go-pkgz/auth/token"
)
const defDevAuthPort = 8084
const (
defDevAuthPort = 8084
defDevAuthHost = "127.0.0.1"
)
// DevAuthServer is a fake oauth server for development
// it provides stand-alone server running on its own port and pretending to be the real oauth2. It also provides
@ -28,7 +31,6 @@ type DevAuthServer struct {
Provider Oauth2Handler
Automatic bool
GetEmailFn func(string) string
username string // unsafe, but fine for dev
httpServer *http.Server
lock sync.Mutex
@ -39,6 +41,10 @@ func (d *DevAuthServer) Run(ctx context.Context) { // nolint (gocyclo)
if d.Provider.Port == 0 {
d.Provider.Port = defDevAuthPort
}
if d.Provider.Host == "" {
d.Provider.Host = defDevAuthHost
}
d.username = "dev_user"
d.Logf("[INFO] run local oauth2 dev server on %d, redirect url=%s", d.Provider.Port, d.Provider.conf.RedirectURL)
d.lock.Lock()
@ -93,7 +99,7 @@ func (d *DevAuthServer) Run(ctx context.Context) { // nolint (gocyclo)
}
case strings.HasPrefix(r.URL.Path, "/user"):
ava := fmt.Sprintf("http://127.0.0.1:%d/avatar?user=%s", d.Provider.Port, d.username)
ava := fmt.Sprintf("http://%s:%d/avatar?user=%s", d.Provider.Host, d.Provider.Port, d.username)
res := fmt.Sprintf(`{
"id": "%s",
"name":"%s",
@ -165,14 +171,17 @@ func NewDev(p Params) Oauth2Handler {
if p.Port == 0 {
p.Port = defDevAuthPort
}
if p.Host == "" {
p.Host = defDevAuthHost
}
oh := initOauth2Handler(p, Oauth2Handler{
name: "dev",
endpoint: oauth2.Endpoint{
AuthURL: fmt.Sprintf("http://127.0.0.1:%d/login/oauth/authorize", p.Port),
TokenURL: fmt.Sprintf("http://127.0.0.1:%d/login/oauth/access_token", p.Port),
AuthURL: fmt.Sprintf("http://%s:%d/login/oauth/authorize", p.Host, p.Port),
TokenURL: fmt.Sprintf("http://%s:%d/login/oauth/access_token", p.Host, p.Port),
},
scopes: []string{"user:email"},
infoURL: fmt.Sprintf("http://127.0.0.1:%d/user", p.Port),
infoURL: fmt.Sprintf("http://%s:%d/user", p.Host, p.Port),
mapUser: func(data UserData, _ []byte) token.User {
userInfo := token.User{
ID: data.Value("id"),

3
backend/vendor/github.com/go-pkgz/auth/provider/oauth2.go generated vendored
View File

@ -40,7 +40,8 @@ type Params struct {
Issuer string
AvatarSaver AvatarSaver
Port int // relevant for providers supporting port customization, for example dev oauth2
Port int // relevant for providers supporting port customization, for example dev oauth2
Host string // relevant for providers supporting host customization, for example dev oauth2
}
// UserData is type for user information returned from oauth2 providers /info API method

13
backend/vendor/github.com/go-pkgz/lcw/.golangci.yml generated vendored
View File

@ -1,8 +1,6 @@
linters-settings:
govet:
check-shadowing: true
golint:
min-confidence: 0
gocyclo:
min-complexity: 15
maligned:
@ -25,7 +23,7 @@ linters-settings:
linters:
enable:
- megacheck
- golint
- revive
- govet
- unconvert
- megacheck
@ -42,7 +40,7 @@ linters:
- varcheck
- stylecheck
- gochecknoinits
- scopelint
- exportloopref
- gocritic
- nakedret
- gosimple
@ -55,10 +53,3 @@ run:
format: tab
skip-dirs:
- vendor
issues:
exclude-rules:
- text: "should have a package comment, unless it's in another file for this package"
linters:
- golint
exclude-use-default: false

17
backend/vendor/github.com/go-pkgz/lcw/README.md generated vendored
View File

@ -1,15 +1,17 @@
# Loading Cache Wrapper [![Build Status](https://github.com/go-pkgz/lcw/workflows/build/badge.svg)](https://github.com/go-pkgz/lcw/actions) [![Coverage Status](https://coveralls.io/repos/github/go-pkgz/lcw/badge.svg?branch=master)](https://coveralls.io/github/go-pkgz/lcw?branch=master) [![godoc](https://godoc.org/github.com/go-pkgz/lcw?status.svg)](https://godoc.org/github.com/go-pkgz/lcw)
The library adds a thin layer on top of [lru cache](https://github.com/hashicorp/golang-lru) and internal implementation of expirable cache.
The library adds a thin layer on top of [lru cache](https://github.com/hashicorp/golang-lru) and internal implementation
of expirable cache.
| Cache name | Constructor | Defaults | Description |
| -------------- | --------------------- | ----------------- | ----------------------- |
|----------------|-----------------------|-------------------|-------------------------|
| LruCache | lcw.NewLruCache | keys=1000 | LRU cache with limits |
| ExpirableCache | lcw.NewExpirableCache | keys=1000, ttl=5m | TTL cache with limits |
| RedisCache | lcw.NewRedisCache | ttl=5m | Redis cache with limits |
| Nop | lcw.NewNopCache | | Do-nothing cache |
Main features:
- LoadingCache (guava style)
- Limit maximum cache size (in bytes)
- Limit maximum key size
@ -52,14 +54,15 @@ Cache can be created with URIs:
- `mem://lru?max_key_size=10&max_val_size=1024&max_keys=50&max_cache_size=64000` - creates LRU cache with given limits
- `mem://expirable?ttl=30s&max_key_size=10&max_val_size=1024&max_keys=50&max_cache_size=64000` - create expirable cache
- `redis://10.0.0.1:1234?db=16&password=qwerty&network=tcp4&dial_timeout=1s&read_timeout=5s&write_timeout=3s` - create redis cache
- `redis://10.0.0.1:1234?db=16&password=qwerty&network=tcp4&dial_timeout=1s&read_timeout=5s&write_timeout=3s` - create
redis cache
- `nop://` - create Nop cache
## Scoped cache
`Scache` provides a wrapper on top of all implementations of `LoadingCache` with a number of special features:
1. Key is not a string, but a composed type made from partition, key-id and list of scopes (tags).
1. Key is not a string, but a composed type made from partition, key-id and list of scopes (tags).
1. Value type limited to `[]byte`
1. Added `Flush` method for scoped/tagged invalidation of multiple records in a given partition
1. A simplified interface with Get, Stat, Flush and Close only.
@ -67,10 +70,10 @@ Cache can be created with URIs:
## Details
- In all cache types other than Redis (e.g. LRU and Expirable at the moment) values are stored as-is which means
that mutable values can be changed outside of cache. `ExampleLoadingCache_Mutability` illustrates that.
that mutable values can be changed outside of cache. `ExampleLoadingCache_Mutability` illustrates that.
- All byte-size limits (MaxCacheSize and MaxValSize) only work for values implementing `lcw.Sizer` interface.
- Negative limits (max options) rejected
- `lgr.Value` wraps `interface{}` and should be converted back to the concrete type.
- The implementation started as a part of [remark42](https://github.com/umputun/remark)
and later on moved to [go-pkgz/rest](https://github.com/go-pkgz/rest/tree/master/cache)
library and finally generalized to become `lcw`.
and later on moved to [go-pkgz/rest](https://github.com/go-pkgz/rest/tree/master/cache)
library and finally generalized to become `lcw`.

23
backend/vendor/github.com/go-pkgz/lcw/eventbus/redis.go generated vendored
View File

@ -1,23 +1,24 @@
package eventbus
import (
"context"
"fmt"
"strings"
"time"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
"github.com/hashicorp/go-multierror"
"github.com/pkg/errors"
)
// NewRedisPubSub creates new RedisPubSub with given parameters.
// Returns an error in case of problems with creating PubSub client for specified channel.
func NewRedisPubSub(addr, channel string) (*RedisPubSub, error) {
client := redis.NewClient(&redis.Options{Addr: addr})
pubSub := client.Subscribe(channel)
pubSub := client.Subscribe(context.Background(), channel)
// wait for subscription to be created and ignore the message
if _, err := pubSub.Receive(); err != nil {
if _, err := pubSub.Receive(context.Background()); err != nil {
_ = client.Close()
return nil, errors.Wrapf(err, "problem subscribing to channel %s on address %s", channel, addr)
return nil, fmt.Errorf("problem subscribing to channel %s on address %s: %w", channel, addr, err)
}
return &RedisPubSub{client: client, pubSub: pubSub, channel: channel, done: make(chan struct{})}, nil
}
@ -41,7 +42,7 @@ func (m *RedisPubSub) Subscribe(fn func(fromID, key string)) error {
return
default:
}
msg, err := pubsub.ReceiveTimeout(time.Second * 10)
msg, err := pubsub.ReceiveTimeout(context.Background(), time.Second*10)
if err != nil {
continue
}
@ -59,14 +60,18 @@ func (m *RedisPubSub) Subscribe(fn func(fromID, key string)) error {
// Publish publishes provided message to channel provided on new RedisPubSub instance creation
func (m *RedisPubSub) Publish(fromID, key string) error {
return m.client.Publish(m.channel, fromID+"$"+key).Err()
return m.client.Publish(context.Background(), m.channel, fromID+"$"+key).Err()
}
// Close cleans up running goroutines and closes Redis clients
func (m *RedisPubSub) Close() error {
close(m.done)
errs := new(multierror.Error)
errs = multierror.Append(errs, errors.Wrap(m.pubSub.Close(), "problem closing pubSub client"))
errs = multierror.Append(errs, errors.Wrap(m.client.Close(), "problem closing redis client"))
if err := m.pubSub.Close(); err != nil {
errs = multierror.Append(errs, fmt.Errorf("problem closing pubSub client: %w", err))
}
if err := m.client.Close(); err != nil {
errs = multierror.Append(errs, fmt.Errorf("problem closing redis client: %w", err))
}
return errs.ErrorOrNil()
}

11
backend/vendor/github.com/go-pkgz/lcw/expirable_cache.go generated vendored
View File

@ -1,14 +1,13 @@
package lcw
import (
"fmt"
"sync/atomic"
"time"
"github.com/google/uuid"
"github.com/pkg/errors"
"github.com/go-pkgz/lcw/eventbus"
"github.com/go-pkgz/lcw/internal/cache"
"github.com/google/uuid"
)
// ExpirableCache implements LoadingCache with TTL.
@ -34,12 +33,12 @@ func NewExpirableCache(opts ...Option) (*ExpirableCache, error) {
for _, opt := range opts {
if err := opt(&res.options); err != nil {
return nil, errors.Wrap(err, "failed to set cache option")
return nil, fmt.Errorf("failed to set cache option: %w", err)
}
}
if err := res.eventBus.Subscribe(res.onBusEvent); err != nil {
return nil, errors.Wrapf(err, "can't subscribe to event bus")
return nil, fmt.Errorf("can't subscribe to event bus: %w", err)
}
backend, err := cache.NewLoadingCache(
@ -61,7 +60,7 @@ func NewExpirableCache(opts ...Option) (*ExpirableCache, error) {
}),
)
if err != nil {
return nil, errors.Wrap(err, "error creating backend")
return nil, fmt.Errorf("error creating backend: %w", err)
}
res.backend = backend

51
backend/vendor/github.com/go-pkgz/lcw/internal/cache/cache.go generated vendored
View File

@ -4,11 +4,10 @@
package cache
import (
"fmt"
"sort"
"sync"
"time"
"github.com/pkg/errors"
)
// LoadingCache provides expirable loading cache with LRC eviction.
@ -19,7 +18,7 @@ type LoadingCache struct {
done chan struct{}
onEvicted func(key string, value interface{})
sync.Mutex
mu sync.Mutex
data map[string]*cacheItem
}
@ -39,7 +38,7 @@ func NewLoadingCache(options ...Option) (*LoadingCache, error) {
for _, opt := range options {
if err := opt(&res); err != nil {
return nil, errors.Wrap(err, "failed to set cache option")
return nil, fmt.Errorf("failed to set cache option: %w", err)
}
}
@ -54,9 +53,9 @@ func NewLoadingCache(options ...Option) (*LoadingCache, error) {
case <-done:
return
case <-ticker.C:
res.Lock()
res.mu.Lock()
res.purge(res.maxKeys)
res.Unlock()
res.mu.Unlock()
}
}
}(res.done)
@ -66,8 +65,8 @@ func NewLoadingCache(options ...Option) (*LoadingCache, error) {
// Set key
func (c *LoadingCache) Set(key string, value interface{}) {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
now := time.Now()
if _, ok := c.data[key]; !ok {
@ -86,8 +85,8 @@ func (c *LoadingCache) Set(key string, value interface{}) {
// Get returns the key value
func (c *LoadingCache) Get(key string) (interface{}, bool) {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
value, ok := c.getValue(key)
if !ok {
return nil, false
@ -97,8 +96,8 @@ func (c *LoadingCache) Get(key string) (interface{}, bool) {
// Peek returns the key value (or undefined if not found) without updating the "recently used"-ness of the key.
func (c *LoadingCache) Peek(key string) (interface{}, bool) {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
value, ok := c.getValue(key)
if !ok {
return nil, false
@ -108,19 +107,19 @@ func (c *LoadingCache) Peek(key string) (interface{}, bool) {
// Invalidate key (item) from the cache
func (c *LoadingCache) Invalidate(key string) {
c.Lock()
c.mu.Lock()
if value, ok := c.data[key]; ok {
delete(c.data, key)
if c.onEvicted != nil {
c.onEvicted(key, value.data)
}
}
c.Unlock()
c.mu.Unlock()
}
// InvalidateFn deletes multiple keys if predicate is true
func (c *LoadingCache) InvalidateFn(fn func(key string) bool) {
c.Lock()
c.mu.Lock()
for key, value := range c.data {
if fn(key) {
delete(c.data, key)
@ -129,13 +128,13 @@ func (c *LoadingCache) InvalidateFn(fn func(key string) bool) {
}
}
}
c.Unlock()
c.mu.Unlock()
}
// Keys return slice of current keys in the cache
func (c *LoadingCache) Keys() []string {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
keys := make([]string, 0, len(c.data))
for k := range c.data {
keys = append(keys, k)
@ -157,8 +156,8 @@ func (c *LoadingCache) getValue(key string) (interface{}, bool) {
// Purge clears the cache completely.
func (c *LoadingCache) Purge() {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
for k, v := range c.data {
delete(c.data, k)
if c.onEvicted != nil {
@ -169,23 +168,23 @@ func (c *LoadingCache) Purge() {
// DeleteExpired clears cache of expired items
func (c *LoadingCache) DeleteExpired() {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
c.purge(0)
}
// ItemCount return count of items in cache
func (c *LoadingCache) ItemCount() int {
c.Lock()
c.mu.Lock()
n := len(c.data)
c.Unlock()
c.mu.Unlock()
return n
}
// Close cleans the cache and destroys running goroutines
func (c *LoadingCache) Close() {
c.Lock()
defer c.Unlock()
c.mu.Lock()
defer c.mu.Unlock()
close(c.done)
}

11
backend/vendor/github.com/go-pkgz/lcw/lru_cache.go generated vendored
View File

@ -1,13 +1,12 @@
package lcw
import (
"fmt"
"sync/atomic"
"github.com/go-pkgz/lcw/eventbus"
"github.com/google/uuid"
lru "github.com/hashicorp/golang-lru"
"github.com/pkg/errors"
"github.com/go-pkgz/lcw/eventbus"
)
// LruCache wraps lru.LruCache with loading cache Get and size limits
@ -31,7 +30,7 @@ func NewLruCache(opts ...Option) (*LruCache, error) {
}
for _, opt := range opts {
if err := opt(&res.options); err != nil {
return nil, errors.Wrap(err, "failed to set cache option")
return nil, fmt.Errorf("failed to set cache option: %w", err)
}
}
@ -41,7 +40,7 @@ func NewLruCache(opts ...Option) (*LruCache, error) {
func (c *LruCache) init() error {
if err := c.eventBus.Subscribe(c.onBusEvent); err != nil {
return errors.Wrapf(err, "can't subscribe to event bus")
return fmt.Errorf("can't subscribe to event bus: %w", err)
}
onEvicted := func(key interface{}, value interface{}) {
@ -58,7 +57,7 @@ func (c *LruCache) init() error {
var err error
// OnEvicted called automatically for expired and manually deleted
if c.backend, err = lru.NewWithEvict(c.maxKeys, onEvicted); err != nil {
return errors.Wrap(err, "failed to make lru cache backend")
return fmt.Errorf("failed to make lru cache backend: %w", err)
}
return nil

12
backend/vendor/github.com/go-pkgz/lcw/options.go generated vendored
View File

@ -1,7 +1,7 @@
package lcw
import (
"errors"
"fmt"
"time"
"github.com/go-pkgz/lcw/eventbus"
@ -25,7 +25,7 @@ type Option func(o *options) error
func MaxValSize(max int) Option {
return func(o *options) error {
if max < 0 {
return errors.New("negative max value size")
return fmt.Errorf("negative max value size")
}
o.maxValueSize = max
return nil
@ -37,7 +37,7 @@ func MaxValSize(max int) Option {
func MaxKeySize(max int) Option {
return func(o *options) error {
if max < 0 {
return errors.New("negative max key size")
return fmt.Errorf("negative max key size")
}
o.maxKeySize = max
return nil
@ -49,7 +49,7 @@ func MaxKeySize(max int) Option {
func MaxKeys(max int) Option {
return func(o *options) error {
if max < 0 {
return errors.New("negative max keys")
return fmt.Errorf("negative max keys")
}
o.maxKeys = max
return nil
@ -61,7 +61,7 @@ func MaxKeys(max int) Option {
func MaxCacheSize(max int64) Option {
return func(o *options) error {
if max < 0 {
return errors.New("negative max cache size")
return fmt.Errorf("negative max cache size")
}
o.maxCacheSize = max
return nil
@ -73,7 +73,7 @@ func MaxCacheSize(max int64) Option {
func TTL(ttl time.Duration) Option {
return func(o *options) error {
if ttl < 0 {
return errors.New("negative ttl")
return fmt.Errorf("negative ttl")
}
o.ttl = ttl
return nil

27
backend/vendor/github.com/go-pkgz/lcw/redis_cache.go generated vendored
View File

@ -1,11 +1,12 @@
package lcw
import (
"context"
"fmt"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7"
"github.com/pkg/errors"
"github.com/go-redis/redis/v8"
)
// RedisValueSizeLimit is maximum allowed value size in Redis
@ -27,7 +28,7 @@ func NewRedisCache(backend *redis.Client, opts ...Option) (*RedisCache, error) {
}
for _, opt := range opts {
if err := opt(&res.options); err != nil {
return nil, errors.Wrap(err, "failed to set cache option")
return nil, fmt.Errorf("failed to set cache option: %w", err)
}
}
@ -42,7 +43,7 @@ func NewRedisCache(backend *redis.Client, opts ...Option) (*RedisCache, error) {
// Get gets value by key or load with fn if not found in cache
func (c *RedisCache) Get(key string, fn func() (interface{}, error)) (data interface{}, err error) {
v, getErr := c.backend.Get(key).Result()
v, getErr := c.backend.Get(context.Background(), key).Result()
switch getErr {
// RedisClient returns nil when find a key in DB
case nil:
@ -65,7 +66,7 @@ func (c *RedisCache) Get(key string, fn func() (interface{}, error)) (data inter
return data, nil
}
_, setErr := c.backend.Set(key, data, c.ttl).Result()
_, setErr := c.backend.Set(context.Background(), key, data, c.ttl).Result()
if setErr != nil {
atomic.AddInt64(&c.Errors, 1)
return data, setErr
@ -76,16 +77,16 @@ func (c *RedisCache) Get(key string, fn func() (interface{}, error)) (data inter
// Invalidate removes keys with passed predicate fn, i.e. fn(key) should be true to get evicted
func (c *RedisCache) Invalidate(fn func(key string) bool) {
for _, key := range c.backend.Keys("*").Val() { // Keys() returns copy of cache's key, safe to remove directly
for _, key := range c.backend.Keys(context.Background(), "*").Val() { // Keys() returns copy of cache's key, safe to remove directly
if fn(key) {
c.backend.Del(key)
c.backend.Del(context.Background(), key)
}
}
}
// Peek returns the key value (or undefined if not found) without updating the "recently used"-ness of the key.
func (c *RedisCache) Peek(key string) (interface{}, bool) {
ret, err := c.backend.Get(key).Result()
ret, err := c.backend.Get(context.Background(), key).Result()
if err != nil {
return nil, false
}
@ -94,18 +95,18 @@ func (c *RedisCache) Peek(key string) (interface{}, bool) {
// Purge clears the cache completely.
func (c *RedisCache) Purge() {
c.backend.FlushDB()
c.backend.FlushDB(context.Background())
}
// Delete cache item by key
func (c *RedisCache) Delete(key string) {
c.backend.Del(key)
c.backend.Del(context.Background(), key)
}
// Keys gets all keys for the cache
func (c *RedisCache) Keys() (res []string) {
return c.backend.Keys("*").Val()
return c.backend.Keys(context.Background(), "*").Val()
}
// Stat returns cache statistics
@ -129,11 +130,11 @@ func (c *RedisCache) size() int64 {
}
func (c *RedisCache) keys() int {
return int(c.backend.DBSize().Val())
return int(c.backend.DBSize(context.Background()).Val())
}
func (c *RedisCache) allowed(key string, data interface{}) bool {
if c.maxKeys > 0 && c.backend.DBSize().Val() >= int64(c.maxKeys) {
if c.maxKeys > 0 && c.backend.DBSize(context.Background()).Val() >= int64(c.maxKeys) {
return false
}
if c.maxKeySize > 0 && len(key) > c.maxKeySize {

5
backend/vendor/github.com/go-pkgz/lcw/scache.go generated vendored
View File

@ -1,9 +1,8 @@
package lcw
import (
"fmt"
"strings"
"github.com/pkg/errors"
)
// Scache wraps LoadingCache with partitions (sub-system), and scopes.
@ -111,7 +110,7 @@ func (k Key) String() string {
func parseKey(keyStr string) (Key, error) {
elems := strings.Split(keyStr, "@@")
if len(elems) != 3 {
return Key{}, errors.Errorf("can't parse cache key %s, invalid number of segments %d", keyStr, len(elems))
return Key{}, fmt.Errorf("can't parse cache key %s, invalid number of segments %d", keyStr, len(elems))
}
scopes := strings.Split(elems[2], "$$")

37
backend/vendor/github.com/go-pkgz/lcw/url.go generated vendored
View File

@ -1,13 +1,13 @@
package lcw
import (
"fmt"
"net/url"
"strconv"
"time"
"github.com/go-redis/redis/v7"
"github.com/go-redis/redis/v8"
"github.com/hashicorp/go-multierror"
"github.com/pkg/errors"
)
// New parses uri and makes any of supported caches
@ -19,23 +19,26 @@ import (
func New(uri string) (LoadingCache, error) {
u, err := url.Parse(uri)
if err != nil {
return nil, errors.Wrapf(err, "parse cache uri %s", uri)
return nil, fmt.Errorf("parse cache uri %s: %w", uri, err)
}
query := u.Query()
opts, err := optionsFromQuery(query)
if err != nil {
return nil, errors.Wrapf(err, "parse uri options %s", uri)
return nil, fmt.Errorf("parse uri options %s: %w", uri, err)
}
switch u.Scheme {
case "redis":
redisOpts, err := redisOptionsFromURL(u)
if err != nil {
return nil, err
redisOpts, e := redisOptionsFromURL(u)
if e != nil {
return nil, e
}
res, err := NewRedisCache(redis.NewClient(redisOpts), opts...)
return res, errors.Wrapf(err, "make redis for %s", uri)
res, e := NewRedisCache(redis.NewClient(redisOpts), opts...)
if e != nil {
return nil, fmt.Errorf("make redis for %s: %w", uri, e)
}
return res, nil
case "mem":
switch u.Hostname() {
case "lru":
@ -43,12 +46,12 @@ func New(uri string) (LoadingCache, error) {
case "expirable":
return NewExpirableCache(opts...)
default:
return nil, errors.Errorf("unsupported mem cache type %s", u.Hostname())
return nil, fmt.Errorf("unsupported mem cache type %s", u.Hostname())
}
case "nop":
return NewNopCache(), nil
}
return nil, errors.Errorf("unsupported cache type %s", u.Scheme)
return nil, fmt.Errorf("unsupported cache type %s", u.Scheme)
}
func optionsFromQuery(q url.Values) (opts []Option, err error) {
@ -57,7 +60,7 @@ func optionsFromQuery(q url.Values) (opts []Option, err error) {
if v := q.Get("max_val_size"); v != "" {
vv, e := strconv.Atoi(v)
if e != nil {
errs = multierror.Append(errs, errors.Wrapf(e, "max_val_size query param %s", v))
errs = multierror.Append(errs, fmt.Errorf("max_val_size query param %s: %w", v, e))
} else {
opts = append(opts, MaxValSize(vv))
}
@ -66,7 +69,7 @@ func optionsFromQuery(q url.Values) (opts []Option, err error) {
if v := q.Get("max_key_size"); v != "" {
vv, e := strconv.Atoi(v)
if e != nil {
errs = multierror.Append(errs, errors.Wrapf(e, "max_key_size query param %s", v))
errs = multierror.Append(errs, fmt.Errorf("max_key_size query param %s: %w", v, e))
} else {
opts = append(opts, MaxKeySize(vv))
}
@ -75,7 +78,7 @@ func optionsFromQuery(q url.Values) (opts []Option, err error) {
if v := q.Get("max_keys"); v != "" {
vv, e := strconv.Atoi(v)
if e != nil {
errs = multierror.Append(errs, errors.Wrapf(e, "max_keys query param %s", v))
errs = multierror.Append(errs, fmt.Errorf("max_keys query param %s: %w", v, e))
} else {
opts = append(opts, MaxKeys(vv))
}
@ -84,7 +87,7 @@ func optionsFromQuery(q url.Values) (opts []Option, err error) {
if v := q.Get("max_cache_size"); v != "" {
vv, e := strconv.ParseInt(v, 10, 64)
if e != nil {
errs = multierror.Append(errs, errors.Wrapf(e, "max_cache_size query param %s", v))
errs = multierror.Append(errs, fmt.Errorf("max_cache_size query param %s: %w", v, e))
} else {
opts = append(opts, MaxCacheSize(vv))
}
@ -93,7 +96,7 @@ func optionsFromQuery(q url.Values) (opts []Option, err error) {
if v := q.Get("ttl"); v != "" {
vv, e := time.ParseDuration(v)
if e != nil {
errs = multierror.Append(errs, errors.Wrapf(e, "ttl query param %s", v))
errs = multierror.Append(errs, fmt.Errorf("ttl query param %s: %w", v, e))
} else {
opts = append(opts, TTL(vv))
}
@ -107,7 +110,7 @@ func redisOptionsFromURL(u *url.URL) (*redis.Options, error) {
db, err := strconv.Atoi(query.Get("db"))
if err != nil {
return nil, errors.Wrapf(err, "db from %s", u)
return nil, fmt.Errorf("db from %s: %w", u, err)
}
res := &redis.Options{

15
backend/vendor/github.com/go-redis/redis/v7/.golangci.yml generated vendored
View File

@ -1,15 +0,0 @@
run:
concurrency: 8
deadline: 5m
tests: false
linters:
enable-all: true
disable:
- funlen
- gochecknoglobals
- gocognit
- goconst
- godox
- gosec
- maligned
- wsl

22
backend/vendor/github.com/go-redis/redis/v7/.travis.yml generated vendored
View File

@ -1,22 +0,0 @@
dist: xenial
language: go
services:
- redis-server
go:
- 1.12.x
- 1.13.x
- tip
matrix:
allow_failures:
- go: tip
env:
- GO111MODULE=on
go_import_path: github.com/go-redis/redis
before_install:
- curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $(go env GOPATH)/bin v1.21.0

46
backend/vendor/github.com/go-redis/redis/v7/CHANGELOG.md generated vendored
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@ -1,46 +0,0 @@
# Changelog
## v7.2
- Existing `HMSet` is renamed to `HSet` and old deprecated `HMSet` is restored for Redis 3 users.
## v7.1
- Existing `Cmd.String` is renamed to `Cmd.Text`. New `Cmd.String` implements `fmt.Stringer` interface.
## v7
- *Important*. Tx.Pipeline now returns a non-transactional pipeline. Use Tx.TxPipeline for a transactional pipeline.
- WrapProcess is replaced with more convenient AddHook that has access to context.Context.
- WithContext now can not be used to create a shallow copy of the client.
- New methods ProcessContext, DoContext, and ExecContext.
- Client respects Context.Deadline when setting net.Conn deadline.
- Client listens on Context.Done while waiting for a connection from the pool and returns an error when context context is cancelled.
- Add PubSub.ChannelWithSubscriptions that sends `*Subscription` in addition to `*Message` to allow detecting reconnections.
- `time.Time` is now marshalled in RFC3339 format. `rdb.Get("foo").Time()` helper is added to parse the time.
- `SetLimiter` is removed and added `Options.Limiter` instead.
- `HMSet` is deprecated as of Redis v4.
## v6.15
- Cluster and Ring pipelines process commands for each node in its own goroutine.
## 6.14
- Added Options.MinIdleConns.
- Added Options.MaxConnAge.
- PoolStats.FreeConns is renamed to PoolStats.IdleConns.
- Add Client.Do to simplify creating custom commands.
- Add Cmd.String, Cmd.Int, Cmd.Int64, Cmd.Uint64, Cmd.Float64, and Cmd.Bool helpers.
- Lower memory usage.
## v6.13
- Ring got new options called `HashReplicas` and `Hash`. It is recommended to set `HashReplicas = 1000` for better keys distribution between shards.
- Cluster client was optimized to use much less memory when reloading cluster state.
- PubSub.ReceiveMessage is re-worked to not use ReceiveTimeout so it does not lose data when timeout occurres. In most cases it is recommended to use PubSub.Channel instead.
- Dialer.KeepAlive is set to 5 minutes by default.
## v6.12
- ClusterClient got new option called `ClusterSlots` which allows to build cluster of normal Redis Servers that don't have cluster mode enabled. See https://godoc.org/github.com/go-redis/redis#example-NewClusterClient--ManualSetup

20
backend/vendor/github.com/go-redis/redis/v7/Makefile generated vendored
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@ -1,20 +0,0 @@
all: testdeps
go test ./...
go test ./... -short -race
go test ./... -run=NONE -bench=. -benchmem
env GOOS=linux GOARCH=386 go test ./...
golangci-lint run
testdeps: testdata/redis/src/redis-server
bench: testdeps
go test ./... -test.run=NONE -test.bench=. -test.benchmem
.PHONY: all test testdeps bench
testdata/redis:
mkdir -p $@
wget -qO- http://download.redis.io/redis-stable.tar.gz | tar xvz --strip-components=1 -C $@
testdata/redis/src/redis-server: testdata/redis
cd $< && make all

128
backend/vendor/github.com/go-redis/redis/v7/README.md generated vendored
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@ -1,128 +0,0 @@
# Redis client for Golang
[![Build Status](https://travis-ci.org/go-redis/redis.png?branch=master)](https://travis-ci.org/go-redis/redis)
[![GoDoc](https://godoc.org/github.com/go-redis/redis?status.svg)](https://godoc.org/github.com/go-redis/redis)
[![Airbrake](https://img.shields.io/badge/kudos-airbrake.io-orange.svg)](https://airbrake.io)
Supports:
- Redis 3 commands except QUIT, MONITOR, SLOWLOG and SYNC.
- Automatic connection pooling with [circuit breaker](https://en.wikipedia.org/wiki/Circuit_breaker_design_pattern) support.
- [Pub/Sub](https://godoc.org/github.com/go-redis/redis#PubSub).
- [Transactions](https://godoc.org/github.com/go-redis/redis#example-Client-TxPipeline).
- [Pipeline](https://godoc.org/github.com/go-redis/redis#example-Client-Pipeline) and [TxPipeline](https://godoc.org/github.com/go-redis/redis#example-Client-TxPipeline).
- [Scripting](https://godoc.org/github.com/go-redis/redis#Script).
- [Timeouts](https://godoc.org/github.com/go-redis/redis#Options).
- [Redis Sentinel](https://godoc.org/github.com/go-redis/redis#NewFailoverClient).
- [Redis Cluster](https://godoc.org/github.com/go-redis/redis#NewClusterClient).
- [Cluster of Redis Servers](https://godoc.org/github.com/go-redis/redis#example-NewClusterClient--ManualSetup) without using cluster mode and Redis Sentinel.
- [Ring](https://godoc.org/github.com/go-redis/redis#NewRing).
- [Instrumentation](https://godoc.org/github.com/go-redis/redis#ex-package--Instrumentation).
- [Cache friendly](https://github.com/go-redis/cache).
- [Rate limiting](https://github.com/go-redis/redis_rate).
- [Distributed Locks](https://github.com/bsm/redislock).
API docs: https://godoc.org/github.com/go-redis/redis.
Examples: https://godoc.org/github.com/go-redis/redis#pkg-examples.
## Installation
go-redis requires a Go version with [Modules](https://github.com/golang/go/wiki/Modules) support and uses import versioning. So please make sure to initialize a Go module before installing go-redis:
``` shell
go mod init github.com/my/repo
go get github.com/go-redis/redis/v7
```
Import:
``` go
import "github.com/go-redis/redis/v7"
```
## Quickstart
``` go
func ExampleNewClient() {
client := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
pong, err := client.Ping().Result()
fmt.Println(pong, err)
// Output: PONG <nil>
}
func ExampleClient() {
client := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
err := client.Set("key", "value", 0).Err()
if err != nil {
panic(err)
}
val, err := client.Get("key").Result()
if err != nil {
panic(err)
}
fmt.Println("key", val)
val2, err := client.Get("key2").Result()
if err == redis.Nil {
fmt.Println("key2 does not exist")
} else if err != nil {
panic(err)
} else {
fmt.Println("key2", val2)
}
// Output: key value
// key2 does not exist
}
```
## Howto
Please go through [examples](https://godoc.org/github.com/go-redis/redis#pkg-examples) to get an idea how to use this package.
## Look and feel
Some corner cases:
``` go
// SET key value EX 10 NX
set, err := client.SetNX("key", "value", 10*time.Second).Result()
// SORT list LIMIT 0 2 ASC
vals, err := client.Sort("list", &redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result()
// ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2
vals, err := client.ZRangeByScoreWithScores("zset", &redis.ZRangeBy{
Min: "-inf",
Max: "+inf",
Offset: 0,
Count: 2,
}).Result()
// ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM
vals, err := client.ZInterStore("out", &redis.ZStore{
Keys: []string{"zset1", "zset2"},
Weights: []int64{2, 3}
}).Result()
// EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello"
vals, err := client.Eval("return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result()
// custom command
res, err := client.Do("set", "key", "value").Result()
```
## See also
- [Golang PostgreSQL ORM](https://github.com/go-pg/pg)
- [Golang msgpack](https://github.com/vmihailenco/msgpack)
- [Golang message task queue](https://github.com/vmihailenco/taskq)

22
backend/vendor/github.com/go-redis/redis/v7/cluster_commands.go generated vendored
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@ -1,22 +0,0 @@
package redis
import "sync/atomic"
func (c *ClusterClient) DBSize() *IntCmd {
cmd := NewIntCmd("dbsize")
var size int64
err := c.ForEachMaster(func(master *Client) error {
n, err := master.DBSize().Result()
if err != nil {
return err
}
atomic.AddInt64(&size, n)
return nil
})
if err != nil {
cmd.SetErr(err)
return cmd
}
cmd.val = size
return cmd
}

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backend/vendor/github.com/go-redis/redis/v7/command.go generated vendored
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backend/vendor/github.com/go-redis/redis/v7/commands.go generated vendored
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81
backend/vendor/github.com/go-redis/redis/v7/internal/consistenthash/consistenthash.go generated vendored
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@ -1,81 +0,0 @@
/*
Copyright 2013 Google Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package consistenthash provides an implementation of a ring hash.
package consistenthash
import (
"hash/crc32"
"sort"
"strconv"
)
type Hash func(data []byte) uint32
type Map struct {
hash Hash
replicas int
keys []int // Sorted
hashMap map[int]string
}
func New(replicas int, fn Hash) *Map {
m := &Map{
replicas: replicas,
hash: fn,
hashMap: make(map[int]string),
}
if m.hash == nil {
m.hash = crc32.ChecksumIEEE
}
return m
}
// Returns true if there are no items available.
func (m *Map) IsEmpty() bool {
return len(m.keys) == 0
}
// Adds some keys to the hash.
func (m *Map) Add(keys ...string) {
for _, key := range keys {
for i := 0; i < m.replicas; i++ {
hash := int(m.hash([]byte(strconv.Itoa(i) + key)))
m.keys = append(m.keys, hash)
m.hashMap[hash] = key
}
}
sort.Ints(m.keys)
}
// Gets the closest item in the hash to the provided key.
func (m *Map) Get(key string) string {
if m.IsEmpty() {
return ""
}
hash := int(m.hash([]byte(key)))
// Binary search for appropriate replica.
idx := sort.Search(len(m.keys), func(i int) bool { return m.keys[i] >= hash })
// Means we have cycled back to the first replica.
if idx == len(m.keys) {
idx = 0
}
return m.hashMap[m.keys[idx]]
}

24
backend/vendor/github.com/go-redis/redis/v7/internal/internal.go generated vendored
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@ -1,24 +0,0 @@
package internal
import (
"math/rand"
"time"
)
// Retry backoff with jitter sleep to prevent overloaded conditions during intervals
// https://www.awsarchitectureblog.com/2015/03/backoff.html
func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
if retry < 0 {
retry = 0
}
backoff := minBackoff << uint(retry)
if backoff > maxBackoff || backoff < minBackoff {
backoff = maxBackoff
}
if backoff == 0 {
return 0
}
return time.Duration(rand.Int63n(int64(backoff)))
}

8
backend/vendor/github.com/go-redis/redis/v7/internal/log.go generated vendored
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@ -1,8 +0,0 @@
package internal
import (
"log"
"os"
)
var Logger = log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile)

112
backend/vendor/github.com/go-redis/redis/v7/internal/pool/pool_sticky.go generated vendored
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@ -1,112 +0,0 @@
package pool
import (
"context"
"sync"
)
type StickyConnPool struct {
pool *ConnPool
reusable bool
cn *Conn
closed bool
mu sync.Mutex
}
var _ Pooler = (*StickyConnPool)(nil)
func NewStickyConnPool(pool *ConnPool, reusable bool) *StickyConnPool {
return &StickyConnPool{
pool: pool,
reusable: reusable,
}
}
func (p *StickyConnPool) NewConn(context.Context) (*Conn, error) {
panic("not implemented")
}
func (p *StickyConnPool) CloseConn(*Conn) error {
panic("not implemented")
}
func (p *StickyConnPool) Get(ctx context.Context) (*Conn, error) {
p.mu.Lock()
defer p.mu.Unlock()
if p.closed {
return nil, ErrClosed
}
if p.cn != nil {
return p.cn, nil
}
cn, err := p.pool.Get(ctx)
if err != nil {
return nil, err
}
p.cn = cn
return cn, nil
}
func (p *StickyConnPool) putUpstream() {
p.pool.Put(p.cn)
p.cn = nil
}
func (p *StickyConnPool) Put(cn *Conn) {}
func (p *StickyConnPool) removeUpstream(reason error) {
p.pool.Remove(p.cn, reason)
p.cn = nil
}
func (p *StickyConnPool) Remove(cn *Conn, reason error) {
p.removeUpstream(reason)
}
func (p *StickyConnPool) Len() int {
p.mu.Lock()
defer p.mu.Unlock()
if p.cn == nil {
return 0
}
return 1
}
func (p *StickyConnPool) IdleLen() int {
p.mu.Lock()
defer p.mu.Unlock()
if p.cn == nil {
return 1
}
return 0
}
func (p *StickyConnPool) Stats() *Stats {
return nil
}
func (p *StickyConnPool) Close() error {
p.mu.Lock()
defer p.mu.Unlock()
if p.closed {
return ErrClosed
}
p.closed = true
if p.cn != nil {
if p.reusable {
p.putUpstream()
} else {
p.removeUpstream(ErrClosed)
}
}
return nil
}

62
backend/vendor/github.com/go-redis/redis/v7/script.go generated vendored
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@ -1,62 +0,0 @@
package redis
import (
"crypto/sha1"
"encoding/hex"
"io"
"strings"
)
type scripter interface {
Eval(script string, keys []string, args ...interface{}) *Cmd
EvalSha(sha1 string, keys []string, args ...interface{}) *Cmd
ScriptExists(hashes ...string) *BoolSliceCmd
ScriptLoad(script string) *StringCmd
}
var _ scripter = (*Client)(nil)
var _ scripter = (*Ring)(nil)
var _ scripter = (*ClusterClient)(nil)
type Script struct {
src, hash string
}
func NewScript(src string) *Script {
h := sha1.New()
_, _ = io.WriteString(h, src)
return &Script{
src: src,
hash: hex.EncodeToString(h.Sum(nil)),
}
}
func (s *Script) Hash() string {
return s.hash
}
func (s *Script) Load(c scripter) *StringCmd {
return c.ScriptLoad(s.src)
}
func (s *Script) Exists(c scripter) *BoolSliceCmd {
return c.ScriptExists(s.hash)
}
func (s *Script) Eval(c scripter, keys []string, args ...interface{}) *Cmd {
return c.Eval(s.src, keys, args...)
}
func (s *Script) EvalSha(c scripter, keys []string, args ...interface{}) *Cmd {
return c.EvalSha(s.hash, keys, args...)
}
// Run optimistically uses EVALSHA to run the script. If script does not exist
// it is retried using EVAL.
func (s *Script) Run(c scripter, keys []string, args ...interface{}) *Cmd {
r := s.EvalSha(c, keys, args...)
if err := r.Err(); err != nil && strings.HasPrefix(err.Error(), "NOSCRIPT ") {
return s.Eval(c, keys, args...)
}
return r
}

509
backend/vendor/github.com/go-redis/redis/v7/sentinel.go generated vendored
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@ -1,509 +0,0 @@
package redis
import (
"context"
"crypto/tls"
"errors"
"net"
"strings"
"sync"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/pool"
)
//------------------------------------------------------------------------------
// FailoverOptions are used to configure a failover client and should
// be passed to NewFailoverClient.
type FailoverOptions struct {
// The master name.
MasterName string
// A seed list of host:port addresses of sentinel nodes.
SentinelAddrs []string
SentinelUsername string
SentinelPassword string
// Following options are copied from Options struct.
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(*Conn) error
Username string
Password string
DB int
MaxRetries int
MinRetryBackoff time.Duration
MaxRetryBackoff time.Duration
DialTimeout time.Duration
ReadTimeout time.Duration
WriteTimeout time.Duration
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
}
func (opt *FailoverOptions) options() *Options {
return &Options{
Addr: "FailoverClient",
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
DB: opt.DB,
Username: opt.Username,
Password: opt.Password,
MaxRetries: opt.MaxRetries,
MinRetryBackoff: opt.MinRetryBackoff,
MaxRetryBackoff: opt.MaxRetryBackoff,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
WriteTimeout: opt.WriteTimeout,
PoolSize: opt.PoolSize,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
TLSConfig: opt.TLSConfig,
}
}
// NewFailoverClient returns a Redis client that uses Redis Sentinel
// for automatic failover. It's safe for concurrent use by multiple
// goroutines.
func NewFailoverClient(failoverOpt *FailoverOptions) *Client {
opt := failoverOpt.options()
opt.init()
failover := &sentinelFailover{
masterName: failoverOpt.MasterName,
sentinelAddrs: failoverOpt.SentinelAddrs,
username: failoverOpt.SentinelUsername,
password: failoverOpt.SentinelPassword,
opt: opt,
}
c := Client{
baseClient: newBaseClient(opt, failover.Pool()),
ctx: context.Background(),
}
c.cmdable = c.Process
c.onClose = failover.Close
return &c
}
//------------------------------------------------------------------------------
type SentinelClient struct {
*baseClient
ctx context.Context
}
func NewSentinelClient(opt *Options) *SentinelClient {
opt.init()
c := &SentinelClient{
baseClient: &baseClient{
opt: opt,
connPool: newConnPool(opt),
},
ctx: context.Background(),
}
return c
}
func (c *SentinelClient) Context() context.Context {
return c.ctx
}
func (c *SentinelClient) WithContext(ctx context.Context) *SentinelClient {
if ctx == nil {
panic("nil context")
}
clone := *c
clone.ctx = ctx
return &clone
}
func (c *SentinelClient) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *SentinelClient) ProcessContext(ctx context.Context, cmd Cmder) error {
return c.baseClient.process(ctx, cmd)
}
func (c *SentinelClient) pubSub() *PubSub {
pubsub := &PubSub{
opt: c.opt,
newConn: func(channels []string) (*pool.Conn, error) {
return c.newConn(context.TODO())
},
closeConn: c.connPool.CloseConn,
}
pubsub.init()
return pubsub
}
// Ping is used to test if a connection is still alive, or to
// measure latency.
func (c *SentinelClient) Ping() *StringCmd {
cmd := NewStringCmd("ping")
_ = c.Process(cmd)
return cmd
}
// Subscribe subscribes the client to the specified channels.
// Channels can be omitted to create empty subscription.
func (c *SentinelClient) Subscribe(channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.Subscribe(channels...)
}
return pubsub
}
// PSubscribe subscribes the client to the given patterns.
// Patterns can be omitted to create empty subscription.
func (c *SentinelClient) PSubscribe(channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.PSubscribe(channels...)
}
return pubsub
}
func (c *SentinelClient) GetMasterAddrByName(name string) *StringSliceCmd {
cmd := NewStringSliceCmd("sentinel", "get-master-addr-by-name", name)
_ = c.Process(cmd)
return cmd
}
func (c *SentinelClient) Sentinels(name string) *SliceCmd {
cmd := NewSliceCmd("sentinel", "sentinels", name)
_ = c.Process(cmd)
return cmd
}
// Failover forces a failover as if the master was not reachable, and without
// asking for agreement to other Sentinels.
func (c *SentinelClient) Failover(name string) *StatusCmd {
cmd := NewStatusCmd("sentinel", "failover", name)
_ = c.Process(cmd)
return cmd
}
// Reset resets all the masters with matching name. The pattern argument is a
// glob-style pattern. The reset process clears any previous state in a master
// (including a failover in progress), and removes every slave and sentinel
// already discovered and associated with the master.
func (c *SentinelClient) Reset(pattern string) *IntCmd {
cmd := NewIntCmd("sentinel", "reset", pattern)
_ = c.Process(cmd)
return cmd
}
// FlushConfig forces Sentinel to rewrite its configuration on disk, including
// the current Sentinel state.
func (c *SentinelClient) FlushConfig() *StatusCmd {
cmd := NewStatusCmd("sentinel", "flushconfig")
_ = c.Process(cmd)
return cmd
}
// Master shows the state and info of the specified master.
func (c *SentinelClient) Master(name string) *StringStringMapCmd {
cmd := NewStringStringMapCmd("sentinel", "master", name)
_ = c.Process(cmd)
return cmd
}
// Masters shows a list of monitored masters and their state.
func (c *SentinelClient) Masters() *SliceCmd {
cmd := NewSliceCmd("sentinel", "masters")
_ = c.Process(cmd)
return cmd
}
// Slaves shows a list of slaves for the specified master and their state.
func (c *SentinelClient) Slaves(name string) *SliceCmd {
cmd := NewSliceCmd("sentinel", "slaves", name)
_ = c.Process(cmd)
return cmd
}
// CkQuorum checks if the current Sentinel configuration is able to reach the
// quorum needed to failover a master, and the majority needed to authorize the
// failover. This command should be used in monitoring systems to check if a
// Sentinel deployment is ok.
func (c *SentinelClient) CkQuorum(name string) *StringCmd {
cmd := NewStringCmd("sentinel", "ckquorum", name)
_ = c.Process(cmd)
return cmd
}
// Monitor tells the Sentinel to start monitoring a new master with the specified
// name, ip, port, and quorum.
func (c *SentinelClient) Monitor(name, ip, port, quorum string) *StringCmd {
cmd := NewStringCmd("sentinel", "monitor", name, ip, port, quorum)
_ = c.Process(cmd)
return cmd
}
// Set is used in order to change configuration parameters of a specific master.
func (c *SentinelClient) Set(name, option, value string) *StringCmd {
cmd := NewStringCmd("sentinel", "set", name, option, value)
_ = c.Process(cmd)
return cmd
}
// Remove is used in order to remove the specified master: the master will no
// longer be monitored, and will totally be removed from the internal state of
// the Sentinel.
func (c *SentinelClient) Remove(name string) *StringCmd {
cmd := NewStringCmd("sentinel", "remove", name)
_ = c.Process(cmd)
return cmd
}
type sentinelFailover struct {
sentinelAddrs []string
opt *Options
username string
password string
pool *pool.ConnPool
poolOnce sync.Once
mu sync.RWMutex
masterName string
_masterAddr string
sentinel *SentinelClient
pubsub *PubSub
}
func (c *sentinelFailover) Close() error {
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
return c.closeSentinel()
}
return nil
}
func (c *sentinelFailover) closeSentinel() error {
firstErr := c.pubsub.Close()
c.pubsub = nil
err := c.sentinel.Close()
if err != nil && firstErr == nil {
firstErr = err
}
c.sentinel = nil
return firstErr
}
func (c *sentinelFailover) Pool() *pool.ConnPool {
c.poolOnce.Do(func() {
opt := *c.opt
opt.Dialer = c.dial
c.pool = newConnPool(&opt)
})
return c.pool
}
func (c *sentinelFailover) dial(ctx context.Context, network, _ string) (net.Conn, error) {
addr, err := c.MasterAddr()
if err != nil {
return nil, err
}
if c.opt.Dialer != nil {
return c.opt.Dialer(ctx, network, addr)
}
return net.DialTimeout("tcp", addr, c.opt.DialTimeout)
}
func (c *sentinelFailover) MasterAddr() (string, error) {
addr, err := c.masterAddr()
if err != nil {
return "", err
}
c.switchMaster(addr)
return addr, nil
}
func (c *sentinelFailover) masterAddr() (string, error) {
c.mu.RLock()
sentinel := c.sentinel
c.mu.RUnlock()
if sentinel != nil {
addr := c.getMasterAddr(sentinel)
if addr != "" {
return addr, nil
}
}
c.mu.Lock()
defer c.mu.Unlock()
if c.sentinel != nil {
addr := c.getMasterAddr(c.sentinel)
if addr != "" {
return addr, nil
}
_ = c.closeSentinel()
}
for i, sentinelAddr := range c.sentinelAddrs {
sentinel := NewSentinelClient(&Options{
Addr: sentinelAddr,
Dialer: c.opt.Dialer,
Username: c.username,
Password: c.password,
MaxRetries: c.opt.MaxRetries,
DialTimeout: c.opt.DialTimeout,
ReadTimeout: c.opt.ReadTimeout,
WriteTimeout: c.opt.WriteTimeout,
PoolSize: c.opt.PoolSize,
PoolTimeout: c.opt.PoolTimeout,
IdleTimeout: c.opt.IdleTimeout,
IdleCheckFrequency: c.opt.IdleCheckFrequency,
TLSConfig: c.opt.TLSConfig,
})
masterAddr, err := sentinel.GetMasterAddrByName(c.masterName).Result()
if err != nil {
internal.Logger.Printf("sentinel: GetMasterAddrByName master=%q failed: %s",
c.masterName, err)
_ = sentinel.Close()
continue
}
// Push working sentinel to the top.
c.sentinelAddrs[0], c.sentinelAddrs[i] = c.sentinelAddrs[i], c.sentinelAddrs[0]
c.setSentinel(sentinel)
addr := net.JoinHostPort(masterAddr[0], masterAddr[1])
return addr, nil
}
return "", errors.New("redis: all sentinels are unreachable")
}
func (c *sentinelFailover) getMasterAddr(sentinel *SentinelClient) string {
addr, err := sentinel.GetMasterAddrByName(c.masterName).Result()
if err != nil {
internal.Logger.Printf("sentinel: GetMasterAddrByName name=%q failed: %s",
c.masterName, err)
return ""
}
return net.JoinHostPort(addr[0], addr[1])
}
func (c *sentinelFailover) switchMaster(addr string) {
c.mu.RLock()
masterAddr := c._masterAddr
c.mu.RUnlock()
if masterAddr == addr {
return
}
c.mu.Lock()
defer c.mu.Unlock()
if c._masterAddr == addr {
return
}
internal.Logger.Printf("sentinel: new master=%q addr=%q",
c.masterName, addr)
_ = c.Pool().Filter(func(cn *pool.Conn) bool {
return cn.RemoteAddr().String() != addr
})
c._masterAddr = addr
}
func (c *sentinelFailover) setSentinel(sentinel *SentinelClient) {
if c.sentinel != nil {
panic("not reached")
}
c.sentinel = sentinel
c.discoverSentinels()
c.pubsub = sentinel.Subscribe("+switch-master")
go c.listen(c.pubsub)
}
func (c *sentinelFailover) discoverSentinels() {
sentinels, err := c.sentinel.Sentinels(c.masterName).Result()
if err != nil {
internal.Logger.Printf("sentinel: Sentinels master=%q failed: %s", c.masterName, err)
return
}
for _, sentinel := range sentinels {
vals := sentinel.([]interface{})
for i := 0; i < len(vals); i += 2 {
key := vals[i].(string)
if key == "name" {
sentinelAddr := vals[i+1].(string)
if !contains(c.sentinelAddrs, sentinelAddr) {
internal.Logger.Printf("sentinel: discovered new sentinel=%q for master=%q",
sentinelAddr, c.masterName)
c.sentinelAddrs = append(c.sentinelAddrs, sentinelAddr)
}
}
}
}
}
func (c *sentinelFailover) listen(pubsub *PubSub) {
ch := pubsub.Channel()
for {
msg, ok := <-ch
if !ok {
break
}
if msg.Channel == "+switch-master" {
parts := strings.Split(msg.Payload, " ")
if parts[0] != c.masterName {
internal.Logger.Printf("sentinel: ignore addr for master=%q", parts[0])
continue
}
addr := net.JoinHostPort(parts[3], parts[4])
c.switchMaster(addr)
}
}
}
func contains(slice []string, str string) bool {
for _, s := range slice {
if s == str {
return true
}
}
return false
}

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run:
concurrency: 8
deadline: 5m
tests: false

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semi: false
singleQuote: true
proseWrap: always
printWidth: 100

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## [8.11.5](https://github.com/go-redis/redis/compare/v8.11.4...v8.11.5) (2022-03-17)
### Bug Fixes
* add missing Expire methods to Cmdable ([17e3b43](https://github.com/go-redis/redis/commit/17e3b43879d516437ada71cf9c0deac6a382ed9a))
* add whitespace for avoid unlikely colisions ([7f7c181](https://github.com/go-redis/redis/commit/7f7c1817617cfec909efb13d14ad22ef05a6ad4c))
* example/otel compile error ([#2028](https://github.com/go-redis/redis/issues/2028)) ([187c07c](https://github.com/go-redis/redis/commit/187c07c41bf68dc3ab280bc3a925e960bbef6475))
* **extra/redisotel:** set span.kind attribute to client ([065b200](https://github.com/go-redis/redis/commit/065b200070b41e6e949710b4f9e01b50ccc60ab2))
* format ([96f53a0](https://github.com/go-redis/redis/commit/96f53a0159a28affa94beec1543a62234e7f8b32))
* invalid type assert in stringArg ([de6c131](https://github.com/go-redis/redis/commit/de6c131865b8263400c8491777b295035f2408e4))
* rename Golang to Go ([#2030](https://github.com/go-redis/redis/issues/2030)) ([b82a2d9](https://github.com/go-redis/redis/commit/b82a2d9d4d2de7b7cbe8fcd4895be62dbcacacbc))
* set timeout for WAIT command. Fixes [#1963](https://github.com/go-redis/redis/issues/1963) ([333fee1](https://github.com/go-redis/redis/commit/333fee1a8fd98a2fbff1ab187c1b03246a7eb01f))
* update some argument counts in pre-allocs ([f6974eb](https://github.com/go-redis/redis/commit/f6974ebb5c40a8adf90d2cacab6dc297f4eba4c2))
### Features
* Add redis v7's NX, XX, GT, LT expire variants ([e19bbb2](https://github.com/go-redis/redis/commit/e19bbb26e2e395c6e077b48d80d79e99f729a8b8))
* add support for acl sentinel auth in universal client ([ab0ccc4](https://github.com/go-redis/redis/commit/ab0ccc47413f9b2a6eabc852fed5005a3ee1af6e))
* add support for COPY command ([#2016](https://github.com/go-redis/redis/issues/2016)) ([730afbc](https://github.com/go-redis/redis/commit/730afbcffb93760e8a36cc06cfe55ab102b693a7))
* add support for passing extra attributes added to spans ([39faaa1](https://github.com/go-redis/redis/commit/39faaa171523834ba527c9789710c4fde87f5a2e))
* add support for time.Duration write and scan ([2f1b74e](https://github.com/go-redis/redis/commit/2f1b74e20cdd7719b2aecf0768d3e3ae7c3e781b))
* **redisotel:** ability to override TracerProvider ([#1998](https://github.com/go-redis/redis/issues/1998)) ([bf8d4aa](https://github.com/go-redis/redis/commit/bf8d4aa60c00366cda2e98c3ddddc8cf68507417))
* set net.peer.name and net.peer.port in otel example ([69bf454](https://github.com/go-redis/redis/commit/69bf454f706204211cd34835f76b2e8192d3766d))
## [8.11.4](https://github.com/go-redis/redis/compare/v8.11.3...v8.11.4) (2021-10-04)
### Features
* add acl auth support for sentinels ([f66582f](https://github.com/go-redis/redis/commit/f66582f44f3dc3a4705a5260f982043fde4aa634))
* add Cmd.{String,Int,Float,Bool}Slice helpers and an example ([5d3d293](https://github.com/go-redis/redis/commit/5d3d293cc9c60b90871e2420602001463708ce24))
* add SetVal method for each command ([168981d](https://github.com/go-redis/redis/commit/168981da2d84ee9e07d15d3e74d738c162e264c4))
## v8.11
- Remove OpenTelemetry metrics.
- Supports more redis commands and options.
## v8.10
- Removed extra OpenTelemetry spans from go-redis core. Now go-redis instrumentation only adds a
single span with a Redis command (instead of 4 spans). There are multiple reasons behind this
decision:
- Traces become smaller and less noisy.
- It may be costly to process those 3 extra spans for each query.
- go-redis no longer depends on OpenTelemetry.
Eventually we hope to replace the information that we no longer collect with OpenTelemetry
Metrics.
## v8.9
- Changed `PubSub.Channel` to only rely on `Ping` result. You can now use `WithChannelSize`,
`WithChannelHealthCheckInterval`, and `WithChannelSendTimeout` to override default settings.
## v8.8
- To make updating easier, extra modules now have the same version as go-redis does. That means that
you need to update your imports:
```
github.com/go-redis/redis/extra/redisotel -> github.com/go-redis/redis/extra/redisotel/v8
github.com/go-redis/redis/extra/rediscensus -> github.com/go-redis/redis/extra/rediscensus/v8
```
## v8.5
- [knadh](https://github.com/knadh) contributed long-awaited ability to scan Redis Hash into a
struct:
```go
err := rdb.HGetAll(ctx, "hash").Scan(&data)
err := rdb.MGet(ctx, "key1", "key2").Scan(&data)
```
- Please check [redismock](https://github.com/go-redis/redismock) by
[monkey92t](https://github.com/monkey92t) if you are looking for mocking Redis Client.
## v8
- All commands require `context.Context` as a first argument, e.g. `rdb.Ping(ctx)`. If you are not
using `context.Context` yet, the simplest option is to define global package variable
`var ctx = context.TODO()` and use it when `ctx` is required.
- Full support for `context.Context` canceling.
- Added `redis.NewFailoverClusterClient` that supports routing read-only commands to a slave node.
- Added `redisext.OpenTemetryHook` that adds
[Redis OpenTelemetry instrumentation](https://redis.uptrace.dev/tracing/).
- Redis slow log support.
- Ring uses Rendezvous Hashing by default which provides better distribution. You need to move
existing keys to a new location or keys will be inaccessible / lost. To use old hashing scheme:
```go
import "github.com/golang/groupcache/consistenthash"
ring := redis.NewRing(&redis.RingOptions{
NewConsistentHash: func() {
return consistenthash.New(100, crc32.ChecksumIEEE)
},
})
```
- `ClusterOptions.MaxRedirects` default value is changed from 8 to 3.
- `Options.MaxRetries` default value is changed from 0 to 3.
- `Cluster.ForEachNode` is renamed to `ForEachShard` for consistency with `Ring`.
## v7.3
- New option `Options.Username` which causes client to use `AuthACL`. Be aware if your connection
URL contains username.
## v7.2
- Existing `HMSet` is renamed to `HSet` and old deprecated `HMSet` is restored for Redis 3 users.
## v7.1
- Existing `Cmd.String` is renamed to `Cmd.Text`. New `Cmd.String` implements `fmt.Stringer`
interface.
## v7
- _Important_. Tx.Pipeline now returns a non-transactional pipeline. Use Tx.TxPipeline for a
transactional pipeline.
- WrapProcess is replaced with more convenient AddHook that has access to context.Context.
- WithContext now can not be used to create a shallow copy of the client.
- New methods ProcessContext, DoContext, and ExecContext.
- Client respects Context.Deadline when setting net.Conn deadline.
- Client listens on Context.Done while waiting for a connection from the pool and returns an error
when context context is cancelled.
- Add PubSub.ChannelWithSubscriptions that sends `*Subscription` in addition to `*Message` to allow
detecting reconnections.
- `time.Time` is now marshalled in RFC3339 format. `rdb.Get("foo").Time()` helper is added to parse
the time.
- `SetLimiter` is removed and added `Options.Limiter` instead.
- `HMSet` is deprecated as of Redis v4.
## v6.15
- Cluster and Ring pipelines process commands for each node in its own goroutine.
## 6.14
- Added Options.MinIdleConns.
- Added Options.MaxConnAge.
- PoolStats.FreeConns is renamed to PoolStats.IdleConns.
- Add Client.Do to simplify creating custom commands.
- Add Cmd.String, Cmd.Int, Cmd.Int64, Cmd.Uint64, Cmd.Float64, and Cmd.Bool helpers.
- Lower memory usage.
## v6.13
- Ring got new options called `HashReplicas` and `Hash`. It is recommended to set
`HashReplicas = 1000` for better keys distribution between shards.
- Cluster client was optimized to use much less memory when reloading cluster state.
- PubSub.ReceiveMessage is re-worked to not use ReceiveTimeout so it does not lose data when timeout
occurres. In most cases it is recommended to use PubSub.Channel instead.
- Dialer.KeepAlive is set to 5 minutes by default.
## v6.12
- ClusterClient got new option called `ClusterSlots` which allows to build cluster of normal Redis
Servers that don't have cluster mode enabled. See
https://godoc.org/github.com/go-redis/redis#example-NewClusterClient--ManualSetup

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PACKAGE_DIRS := $(shell find . -mindepth 2 -type f -name 'go.mod' -exec dirname {} \; | sort)
test: testdeps
go test ./...
go test ./... -short -race
go test ./... -run=NONE -bench=. -benchmem
env GOOS=linux GOARCH=386 go test ./...
go vet
testdeps: testdata/redis/src/redis-server
bench: testdeps
go test ./... -test.run=NONE -test.bench=. -test.benchmem
.PHONY: all test testdeps bench
testdata/redis:
mkdir -p $@
wget -qO- https://download.redis.io/releases/redis-6.2.5.tar.gz | tar xvz --strip-components=1 -C $@
testdata/redis/src/redis-server: testdata/redis
cd $< && make all
fmt:
gofmt -w -s ./
goimports -w -local github.com/go-redis/redis ./
go_mod_tidy:
go get -u && go mod tidy
set -e; for dir in $(PACKAGE_DIRS); do \
echo "go mod tidy in $${dir}"; \
(cd "$${dir}" && \
go get -u && \
go mod tidy); \
done

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# Redis client for Go
![build workflow](https://github.com/go-redis/redis/actions/workflows/build.yml/badge.svg)
[![PkgGoDev](https://pkg.go.dev/badge/github.com/go-redis/redis/v8)](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc)
[![Documentation](https://img.shields.io/badge/redis-documentation-informational)](https://redis.uptrace.dev/)
go-redis is brought to you by :star: [**uptrace/uptrace**](https://github.com/uptrace/uptrace).
Uptrace is an open source and blazingly fast **distributed tracing** backend powered by
OpenTelemetry and ClickHouse. Give it a star as well!
## Resources
- [Discussions](https://github.com/go-redis/redis/discussions)
- [Documentation](https://redis.uptrace.dev)
- [Reference](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc)
- [Examples](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#pkg-examples)
- [RealWorld example app](https://github.com/uptrace/go-treemux-realworld-example-app)
Other projects you may like:
- [Bun](https://bun.uptrace.dev) - fast and simple SQL client for PostgreSQL, MySQL, and SQLite.
- [BunRouter](https://bunrouter.uptrace.dev/) - fast and flexible HTTP router for Go.
## Ecosystem
- [Redis Mock](https://github.com/go-redis/redismock)
- [Distributed Locks](https://github.com/bsm/redislock)
- [Redis Cache](https://github.com/go-redis/cache)
- [Rate limiting](https://github.com/go-redis/redis_rate)
## Features
- Redis 3 commands except QUIT, MONITOR, and SYNC.
- Automatic connection pooling with
[circuit breaker](https://en.wikipedia.org/wiki/Circuit_breaker_design_pattern) support.
- [Pub/Sub](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#PubSub).
- [Transactions](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-TxPipeline).
- [Pipeline](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client.Pipeline) and
[TxPipeline](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client.TxPipeline).
- [Scripting](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#Script).
- [Timeouts](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#Options).
- [Redis Sentinel](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewFailoverClient).
- [Redis Cluster](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewClusterClient).
- [Cluster of Redis Servers](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-NewClusterClient-ManualSetup)
without using cluster mode and Redis Sentinel.
- [Ring](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewRing).
- [Instrumentation](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-package-Instrumentation).
## Installation
go-redis supports 2 last Go versions and requires a Go version with
[modules](https://github.com/golang/go/wiki/Modules) support. So make sure to initialize a Go
module:
```shell
go mod init github.com/my/repo
```
And then install go-redis/v8 (note _v8_ in the import; omitting it is a popular mistake):
```shell
go get github.com/go-redis/redis/v8
```
## Quickstart
```go
import (
"context"
"github.com/go-redis/redis/v8"
"fmt"
)
var ctx = context.Background()
func ExampleClient() {
rdb := redis.NewClient(&redis.Options{
Addr: "localhost:6379",
Password: "", // no password set
DB: 0, // use default DB
})
err := rdb.Set(ctx, "key", "value", 0).Err()
if err != nil {
panic(err)
}
val, err := rdb.Get(ctx, "key").Result()
if err != nil {
panic(err)
}
fmt.Println("key", val)
val2, err := rdb.Get(ctx, "key2").Result()
if err == redis.Nil {
fmt.Println("key2 does not exist")
} else if err != nil {
panic(err)
} else {
fmt.Println("key2", val2)
}
// Output: key value
// key2 does not exist
}
```
## Look and feel
Some corner cases:
```go
// SET key value EX 10 NX
set, err := rdb.SetNX(ctx, "key", "value", 10*time.Second).Result()
// SET key value keepttl NX
set, err := rdb.SetNX(ctx, "key", "value", redis.KeepTTL).Result()
// SORT list LIMIT 0 2 ASC
vals, err := rdb.Sort(ctx, "list", &redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result()
// ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2
vals, err := rdb.ZRangeByScoreWithScores(ctx, "zset", &redis.ZRangeBy{
Min: "-inf",
Max: "+inf",
Offset: 0,
Count: 2,
}).Result()
// ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM
vals, err := rdb.ZInterStore(ctx, "out", &redis.ZStore{
Keys: []string{"zset1", "zset2"},
Weights: []int64{2, 3}
}).Result()
// EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello"
vals, err := rdb.Eval(ctx, "return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result()
// custom command
res, err := rdb.Do(ctx, "set", "key", "value").Result()
```
## Run the test
go-redis will start a redis-server and run the test cases.
The paths of redis-server bin file and redis config file are defined in `main_test.go`:
```
var (
redisServerBin, _ = filepath.Abs(filepath.Join("testdata", "redis", "src", "redis-server"))
redisServerConf, _ = filepath.Abs(filepath.Join("testdata", "redis", "redis.conf"))
)
```
For local testing, you can change the variables to refer to your local files, or create a soft link
to the corresponding folder for redis-server and copy the config file to `testdata/redis/`:
```
ln -s /usr/bin/redis-server ./go-redis/testdata/redis/src
cp ./go-redis/testdata/redis.conf ./go-redis/testdata/redis/
```
Lastly, run:
```
go test
```
## Contributors
Thanks to all the people who already contributed!
<a href="https://github.com/go-redis/redis/graphs/contributors">
<img src="https://contributors-img.web.app/image?repo=go-redis/redis" />
</a>

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# Releasing
1. Run `release.sh` script which updates versions in go.mod files and pushes a new branch to GitHub:
```shell
TAG=v1.0.0 ./scripts/release.sh
```
2. Open a pull request and wait for the build to finish.
3. Merge the pull request and run `tag.sh` to create tags for packages:
```shell
TAG=v1.0.0 ./scripts/tag.sh
```

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package redis
import (
"context"
"sync"
"sync/atomic"
)
func (c *ClusterClient) DBSize(ctx context.Context) *IntCmd {
cmd := NewIntCmd(ctx, "dbsize")
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
var size int64
err := c.ForEachMaster(ctx, func(ctx context.Context, master *Client) error {
n, err := master.DBSize(ctx).Result()
if err != nil {
return err
}
atomic.AddInt64(&size, n)
return nil
})
if err != nil {
cmd.SetErr(err)
} else {
cmd.val = size
}
return nil
})
return cmd
}
func (c *ClusterClient) ScriptLoad(ctx context.Context, script string) *StringCmd {
cmd := NewStringCmd(ctx, "script", "load", script)
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
mu := &sync.Mutex{}
err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
val, err := shard.ScriptLoad(ctx, script).Result()
if err != nil {
return err
}
mu.Lock()
if cmd.Val() == "" {
cmd.val = val
}
mu.Unlock()
return nil
})
if err != nil {
cmd.SetErr(err)
}
return nil
})
return cmd
}
func (c *ClusterClient) ScriptFlush(ctx context.Context) *StatusCmd {
cmd := NewStatusCmd(ctx, "script", "flush")
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
return shard.ScriptFlush(ctx).Err()
})
if err != nil {
cmd.SetErr(err)
}
return nil
})
return cmd
}
func (c *ClusterClient) ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd {
args := make([]interface{}, 2+len(hashes))
args[0] = "script"
args[1] = "exists"
for i, hash := range hashes {
args[2+i] = hash
}
cmd := NewBoolSliceCmd(ctx, args...)
result := make([]bool, len(hashes))
for i := range result {
result[i] = true
}
_ = c.hooks.process(ctx, cmd, func(ctx context.Context, _ Cmder) error {
mu := &sync.Mutex{}
err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
val, err := shard.ScriptExists(ctx, hashes...).Result()
if err != nil {
return err
}
mu.Lock()
for i, v := range val {
result[i] = result[i] && v
}
mu.Unlock()
return nil
})
if err != nil {
cmd.SetErr(err)
} else {
cmd.val = result
}
return nil
})
return cmd
}

3478
backend/vendor/github.com/go-redis/redis/v8/command.go generated vendored Normal file
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File diff suppressed because it is too large Load Diff

3475
backend/vendor/github.com/go-redis/redis/v8/commands.go generated vendored Normal file
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File diff suppressed because it is too large Load Diff

0
backend/vendor/github.com/go-redis/redis/v7/doc.go → backend/vendor/github.com/go-redis/redis/v8/doc.go generated vendored
View File

66
backend/vendor/github.com/go-redis/redis/v7/error.go → backend/vendor/github.com/go-redis/redis/v8/error.go generated vendored
View File

@ -6,10 +6,11 @@ import (
"net"
"strings"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
)
// ErrClosed performs any operation on the closed client will return this error.
var ErrClosed = pool.ErrClosed
type Error interface {
@ -24,15 +25,16 @@ type Error interface {
var _ Error = proto.RedisError("")
func isRetryableError(err error, retryTimeout bool) bool {
func shouldRetry(err error, retryTimeout bool) bool {
switch err {
case io.EOF, io.ErrUnexpectedEOF:
return true
case nil, context.Canceled, context.DeadlineExceeded:
return false
case io.EOF:
return true
}
if netErr, ok := err.(net.Error); ok {
if netErr.Timeout() {
if v, ok := err.(timeoutError); ok {
if v.Timeout() {
return retryTimeout
}
return true
@ -51,6 +53,10 @@ func isRetryableError(err error, retryTimeout bool) bool {
if strings.HasPrefix(s, "CLUSTERDOWN ") {
return true
}
if strings.HasPrefix(s, "TRYAGAIN ") {
return true
}
return false
}
@ -59,20 +65,36 @@ func isRedisError(err error) bool {
return ok
}
func isBadConn(err error, allowTimeout bool) bool {
if err == nil {
func isBadConn(err error, allowTimeout bool, addr string) bool {
switch err {
case nil:
return false
case context.Canceled, context.DeadlineExceeded:
return true
}
if isRedisError(err) {
// Close connections in read only state in case domain addr is used
// and domain resolves to a different Redis Server. See #790.
return isReadOnlyError(err)
}
if allowTimeout {
if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
switch {
case isReadOnlyError(err):
// Close connections in read only state in case domain addr is used
// and domain resolves to a different Redis Server. See #790.
return true
case isMovedSameConnAddr(err, addr):
// Close connections when we are asked to move to the same addr
// of the connection. Force a DNS resolution when all connections
// of the pool are recycled
return true
default:
return false
}
}
if allowTimeout {
if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
return !netErr.Temporary()
}
}
return true
}
@ -106,3 +128,17 @@ func isLoadingError(err error) bool {
func isReadOnlyError(err error) bool {
return strings.HasPrefix(err.Error(), "READONLY ")
}
func isMovedSameConnAddr(err error, addr string) bool {
redisError := err.Error()
if !strings.HasPrefix(redisError, "MOVED ") {
return false
}
return strings.HasSuffix(redisError, " "+addr)
}
//------------------------------------------------------------------------------
type timeoutError interface {
Timeout() bool
}

56
backend/vendor/github.com/go-redis/redis/v8/internal/arg.go generated vendored Normal file
View File

@ -0,0 +1,56 @@
package internal
import (
"fmt"
"strconv"
"time"
)
func AppendArg(b []byte, v interface{}) []byte {
switch v := v.(type) {
case nil:
return append(b, "<nil>"...)
case string:
return appendUTF8String(b, Bytes(v))
case []byte:
return appendUTF8String(b, v)
case int:
return strconv.AppendInt(b, int64(v), 10)
case int8:
return strconv.AppendInt(b, int64(v), 10)
case int16:
return strconv.AppendInt(b, int64(v), 10)
case int32:
return strconv.AppendInt(b, int64(v), 10)
case int64:
return strconv.AppendInt(b, v, 10)
case uint:
return strconv.AppendUint(b, uint64(v), 10)
case uint8:
return strconv.AppendUint(b, uint64(v), 10)
case uint16:
return strconv.AppendUint(b, uint64(v), 10)
case uint32:
return strconv.AppendUint(b, uint64(v), 10)
case uint64:
return strconv.AppendUint(b, v, 10)
case float32:
return strconv.AppendFloat(b, float64(v), 'f', -1, 64)
case float64:
return strconv.AppendFloat(b, v, 'f', -1, 64)
case bool:
if v {
return append(b, "true"...)
}
return append(b, "false"...)
case time.Time:
return v.AppendFormat(b, time.RFC3339Nano)
default:
return append(b, fmt.Sprint(v)...)
}
}
func appendUTF8String(dst []byte, src []byte) []byte {
dst = append(dst, src...)
return dst
}

5
backend/vendor/github.com/go-redis/redis/v7/internal/hashtag/hashtag.go → backend/vendor/github.com/go-redis/redis/v8/internal/hashtag/hashtag.go generated vendored
View File

@ -1,8 +1,9 @@
package hashtag
import (
"math/rand"
"strings"
"github.com/go-redis/redis/v8/internal/rand"
)
const slotNumber = 16384
@ -59,7 +60,7 @@ func RandomSlot() int {
return rand.Intn(slotNumber)
}
// hashSlot returns a consistent slot number between 0 and 16383
// Slot returns a consistent slot number between 0 and 16383
// for any given string key.
func Slot(key string) int {
if key == "" {

201
backend/vendor/github.com/go-redis/redis/v8/internal/hscan/hscan.go generated vendored Normal file
View File

@ -0,0 +1,201 @@
package hscan
import (
"errors"
"fmt"
"reflect"
"strconv"
)
// decoderFunc represents decoding functions for default built-in types.
type decoderFunc func(reflect.Value, string) error
var (
// List of built-in decoders indexed by their numeric constant values (eg: reflect.Bool = 1).
decoders = []decoderFunc{
reflect.Bool: decodeBool,
reflect.Int: decodeInt,
reflect.Int8: decodeInt8,
reflect.Int16: decodeInt16,
reflect.Int32: decodeInt32,
reflect.Int64: decodeInt64,
reflect.Uint: decodeUint,
reflect.Uint8: decodeUint8,
reflect.Uint16: decodeUint16,
reflect.Uint32: decodeUint32,
reflect.Uint64: decodeUint64,
reflect.Float32: decodeFloat32,
reflect.Float64: decodeFloat64,
reflect.Complex64: decodeUnsupported,
reflect.Complex128: decodeUnsupported,
reflect.Array: decodeUnsupported,
reflect.Chan: decodeUnsupported,
reflect.Func: decodeUnsupported,
reflect.Interface: decodeUnsupported,
reflect.Map: decodeUnsupported,
reflect.Ptr: decodeUnsupported,
reflect.Slice: decodeSlice,
reflect.String: decodeString,
reflect.Struct: decodeUnsupported,
reflect.UnsafePointer: decodeUnsupported,
}
// Global map of struct field specs that is populated once for every new
// struct type that is scanned. This caches the field types and the corresponding
// decoder functions to avoid iterating through struct fields on subsequent scans.
globalStructMap = newStructMap()
)
func Struct(dst interface{}) (StructValue, error) {
v := reflect.ValueOf(dst)
// The destination to scan into should be a struct pointer.
if v.Kind() != reflect.Ptr || v.IsNil() {
return StructValue{}, fmt.Errorf("redis.Scan(non-pointer %T)", dst)
}
v = v.Elem()
if v.Kind() != reflect.Struct {
return StructValue{}, fmt.Errorf("redis.Scan(non-struct %T)", dst)
}
return StructValue{
spec: globalStructMap.get(v.Type()),
value: v,
}, nil
}
// Scan scans the results from a key-value Redis map result set to a destination struct.
// The Redis keys are matched to the struct's field with the `redis` tag.
func Scan(dst interface{}, keys []interface{}, vals []interface{}) error {
if len(keys) != len(vals) {
return errors.New("args should have the same number of keys and vals")
}
strct, err := Struct(dst)
if err != nil {
return err
}
// Iterate through the (key, value) sequence.
for i := 0; i < len(vals); i++ {
key, ok := keys[i].(string)
if !ok {
continue
}
val, ok := vals[i].(string)
if !ok {
continue
}
if err := strct.Scan(key, val); err != nil {
return err
}
}
return nil
}
func decodeBool(f reflect.Value, s string) error {
b, err := strconv.ParseBool(s)
if err != nil {
return err
}
f.SetBool(b)
return nil
}
func decodeInt8(f reflect.Value, s string) error {
return decodeNumber(f, s, 8)
}
func decodeInt16(f reflect.Value, s string) error {
return decodeNumber(f, s, 16)
}
func decodeInt32(f reflect.Value, s string) error {
return decodeNumber(f, s, 32)
}
func decodeInt64(f reflect.Value, s string) error {
return decodeNumber(f, s, 64)
}
func decodeInt(f reflect.Value, s string) error {
return decodeNumber(f, s, 0)
}
func decodeNumber(f reflect.Value, s string, bitSize int) error {
v, err := strconv.ParseInt(s, 10, bitSize)
if err != nil {
return err
}
f.SetInt(v)
return nil
}
func decodeUint8(f reflect.Value, s string) error {
return decodeUnsignedNumber(f, s, 8)
}
func decodeUint16(f reflect.Value, s string) error {
return decodeUnsignedNumber(f, s, 16)
}
func decodeUint32(f reflect.Value, s string) error {
return decodeUnsignedNumber(f, s, 32)
}
func decodeUint64(f reflect.Value, s string) error {
return decodeUnsignedNumber(f, s, 64)
}
func decodeUint(f reflect.Value, s string) error {
return decodeUnsignedNumber(f, s, 0)
}
func decodeUnsignedNumber(f reflect.Value, s string, bitSize int) error {
v, err := strconv.ParseUint(s, 10, bitSize)
if err != nil {
return err
}
f.SetUint(v)
return nil
}
func decodeFloat32(f reflect.Value, s string) error {
v, err := strconv.ParseFloat(s, 32)
if err != nil {
return err
}
f.SetFloat(v)
return nil
}
// although the default is float64, but we better define it.
func decodeFloat64(f reflect.Value, s string) error {
v, err := strconv.ParseFloat(s, 64)
if err != nil {
return err
}
f.SetFloat(v)
return nil
}
func decodeString(f reflect.Value, s string) error {
f.SetString(s)
return nil
}
func decodeSlice(f reflect.Value, s string) error {
// []byte slice ([]uint8).
if f.Type().Elem().Kind() == reflect.Uint8 {
f.SetBytes([]byte(s))
}
return nil
}
func decodeUnsupported(v reflect.Value, s string) error {
return fmt.Errorf("redis.Scan(unsupported %s)", v.Type())
}

93
backend/vendor/github.com/go-redis/redis/v8/internal/hscan/structmap.go generated vendored Normal file
View File

@ -0,0 +1,93 @@
package hscan
import (
"fmt"
"reflect"
"strings"
"sync"
)
// structMap contains the map of struct fields for target structs
// indexed by the struct type.
type structMap struct {
m sync.Map
}
func newStructMap() *structMap {
return new(structMap)
}
func (s *structMap) get(t reflect.Type) *structSpec {
if v, ok := s.m.Load(t); ok {
return v.(*structSpec)
}
spec := newStructSpec(t, "redis")
s.m.Store(t, spec)
return spec
}
//------------------------------------------------------------------------------
// structSpec contains the list of all fields in a target struct.
type structSpec struct {
m map[string]*structField
}
func (s *structSpec) set(tag string, sf *structField) {
s.m[tag] = sf
}
func newStructSpec(t reflect.Type, fieldTag string) *structSpec {
numField := t.NumField()
out := &structSpec{
m: make(map[string]*structField, numField),
}
for i := 0; i < numField; i++ {
f := t.Field(i)
tag := f.Tag.Get(fieldTag)
if tag == "" || tag == "-" {
continue
}
tag = strings.Split(tag, ",")[0]
if tag == "" {
continue
}
// Use the built-in decoder.
out.set(tag, &structField{index: i, fn: decoders[f.Type.Kind()]})
}
return out
}
//------------------------------------------------------------------------------
// structField represents a single field in a target struct.
type structField struct {
index int
fn decoderFunc
}
//------------------------------------------------------------------------------
type StructValue struct {
spec *structSpec
value reflect.Value
}
func (s StructValue) Scan(key string, value string) error {
field, ok := s.spec.m[key]
if !ok {
return nil
}
if err := field.fn(s.value.Field(field.index), value); err != nil {
t := s.value.Type()
return fmt.Errorf("cannot scan redis.result %s into struct field %s.%s of type %s, error-%s",
value, t.Name(), t.Field(field.index).Name, t.Field(field.index).Type, err.Error())
}
return nil
}

29
backend/vendor/github.com/go-redis/redis/v8/internal/internal.go generated vendored Normal file
View File

@ -0,0 +1,29 @@
package internal
import (
"time"
"github.com/go-redis/redis/v8/internal/rand"
)
func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
if retry < 0 {
panic("not reached")
}
if minBackoff == 0 {
return 0
}
d := minBackoff << uint(retry)
if d < minBackoff {
return maxBackoff
}
d = minBackoff + time.Duration(rand.Int63n(int64(d)))
if d > maxBackoff || d < minBackoff {
d = maxBackoff
}
return d
}

26
backend/vendor/github.com/go-redis/redis/v8/internal/log.go generated vendored Normal file
View File

@ -0,0 +1,26 @@
package internal
import (
"context"
"fmt"
"log"
"os"
)
type Logging interface {
Printf(ctx context.Context, format string, v ...interface{})
}
type logger struct {
log *log.Logger
}
func (l *logger) Printf(ctx context.Context, format string, v ...interface{}) {
_ = l.log.Output(2, fmt.Sprintf(format, v...))
}
// Logger calls Output to print to the stderr.
// Arguments are handled in the manner of fmt.Print.
var Logger Logging = &logger{
log: log.New(os.Stderr, "redis: ", log.LstdFlags|log.Lshortfile),
}

0
backend/vendor/github.com/go-redis/redis/v7/internal/once.go → backend/vendor/github.com/go-redis/redis/v8/internal/once.go generated vendored
View File

31
backend/vendor/github.com/go-redis/redis/v7/internal/pool/conn.go → backend/vendor/github.com/go-redis/redis/v8/internal/pool/conn.go generated vendored
View File

@ -1,26 +1,28 @@
package pool
import (
"bufio"
"context"
"net"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal/proto"
)
var noDeadline = time.Time{}
type Conn struct {
usedAt int64 // atomic
netConn net.Conn
rd *proto.Reader
bw *bufio.Writer
wr *proto.Writer
Inited bool
pooled bool
createdAt time.Time
usedAt int64 // atomic
}
func NewConn(netConn net.Conn) *Conn {
@ -29,7 +31,8 @@ func NewConn(netConn net.Conn) *Conn {
createdAt: time.Now(),
}
cn.rd = proto.NewReader(netConn)
cn.wr = proto.NewWriter(netConn)
cn.bw = bufio.NewWriter(netConn)
cn.wr = proto.NewWriter(cn.bw)
cn.SetUsedAt(time.Now())
return cn
}
@ -46,7 +49,7 @@ func (cn *Conn) SetUsedAt(tm time.Time) {
func (cn *Conn) SetNetConn(netConn net.Conn) {
cn.netConn = netConn
cn.rd.Reset(netConn)
cn.wr.Reset(netConn)
cn.bw.Reset(netConn)
}
func (cn *Conn) Write(b []byte) (int, error) {
@ -54,12 +57,14 @@ func (cn *Conn) Write(b []byte) (int, error) {
}
func (cn *Conn) RemoteAddr() net.Addr {
return cn.netConn.RemoteAddr()
if cn.netConn != nil {
return cn.netConn.RemoteAddr()
}
return nil
}
func (cn *Conn) WithReader(ctx context.Context, timeout time.Duration, fn func(rd *proto.Reader) error) error {
err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout))
if err != nil {
if err := cn.netConn.SetReadDeadline(cn.deadline(ctx, timeout)); err != nil {
return err
}
return fn(cn.rd)
@ -68,21 +73,19 @@ func (cn *Conn) WithReader(ctx context.Context, timeout time.Duration, fn func(r
func (cn *Conn) WithWriter(
ctx context.Context, timeout time.Duration, fn func(wr *proto.Writer) error,
) error {
err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout))
if err != nil {
if err := cn.netConn.SetWriteDeadline(cn.deadline(ctx, timeout)); err != nil {
return err
}
if cn.wr.Buffered() > 0 {
cn.wr.Reset(cn.netConn)
if cn.bw.Buffered() > 0 {
cn.bw.Reset(cn.netConn)
}
err = fn(cn.wr)
if err != nil {
if err := fn(cn.wr); err != nil {
return err
}
return cn.wr.Flush()
return cn.bw.Flush()
}
func (cn *Conn) Close() error {

110
backend/vendor/github.com/go-redis/redis/v7/internal/pool/pool.go → backend/vendor/github.com/go-redis/redis/v8/internal/pool/pool.go generated vendored
View File

@ -8,11 +8,16 @@ import (
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v8/internal"
)
var ErrClosed = errors.New("redis: client is closed")
var ErrPoolTimeout = errors.New("redis: connection pool timeout")
var (
// ErrClosed performs any operation on the closed client will return this error.
ErrClosed = errors.New("redis: client is closed")
// ErrPoolTimeout timed out waiting to get a connection from the connection pool.
ErrPoolTimeout = errors.New("redis: connection pool timeout")
)
var timers = sync.Pool{
New: func() interface{} {
@ -38,8 +43,8 @@ type Pooler interface {
CloseConn(*Conn) error
Get(context.Context) (*Conn, error)
Put(*Conn)
Remove(*Conn, error)
Put(context.Context, *Conn)
Remove(context.Context, *Conn, error)
Len() int
IdleLen() int
@ -52,6 +57,7 @@ type Options struct {
Dialer func(context.Context) (net.Conn, error)
OnClose func(*Conn) error
PoolFIFO bool
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
@ -60,13 +66,16 @@ type Options struct {
IdleCheckFrequency time.Duration
}
type lastDialErrorWrap struct {
err error
}
type ConnPool struct {
opt *Options
dialErrorsNum uint32 // atomic
lastDialErrorMu sync.RWMutex
lastDialError error
lastDialError atomic.Value
queue chan struct{}
@ -112,9 +121,10 @@ func (p *ConnPool) checkMinIdleConns() {
for p.poolSize < p.opt.PoolSize && p.idleConnsLen < p.opt.MinIdleConns {
p.poolSize++
p.idleConnsLen++
go func() {
err := p.addIdleConn()
if err != nil {
if err != nil && err != ErrClosed {
p.connsMu.Lock()
p.poolSize--
p.idleConnsLen--
@ -131,9 +141,16 @@ func (p *ConnPool) addIdleConn() error {
}
p.connsMu.Lock()
defer p.connsMu.Unlock()
// It is not allowed to add new connections to the closed connection pool.
if p.closed() {
_ = cn.Close()
return ErrClosed
}
p.conns = append(p.conns, cn)
p.idleConns = append(p.idleConns, cn)
p.connsMu.Unlock()
return nil
}
@ -148,6 +165,14 @@ func (p *ConnPool) newConn(ctx context.Context, pooled bool) (*Conn, error) {
}
p.connsMu.Lock()
defer p.connsMu.Unlock()
// It is not allowed to add new connections to the closed connection pool.
if p.closed() {
_ = cn.Close()
return nil, ErrClosed
}
p.conns = append(p.conns, cn)
if pooled {
// If pool is full remove the cn on next Put.
@ -157,7 +182,7 @@ func (p *ConnPool) newConn(ctx context.Context, pooled bool) (*Conn, error) {
p.poolSize++
}
}
p.connsMu.Unlock()
return cn, nil
}
@ -204,16 +229,15 @@ func (p *ConnPool) tryDial() {
}
func (p *ConnPool) setLastDialError(err error) {
p.lastDialErrorMu.Lock()
p.lastDialError = err
p.lastDialErrorMu.Unlock()
p.lastDialError.Store(&lastDialErrorWrap{err: err})
}
func (p *ConnPool) getLastDialError() error {
p.lastDialErrorMu.RLock()
err := p.lastDialError
p.lastDialErrorMu.RUnlock()
return err
err, _ := p.lastDialError.Load().(*lastDialErrorWrap)
if err != nil {
return err.err
}
return nil
}
// Get returns existed connection from the pool or creates a new one.
@ -222,16 +246,19 @@ func (p *ConnPool) Get(ctx context.Context) (*Conn, error) {
return nil, ErrClosed
}
err := p.waitTurn(ctx)
if err != nil {
if err := p.waitTurn(ctx); err != nil {
return nil, err
}
for {
p.connsMu.Lock()
cn := p.popIdle()
cn, err := p.popIdle()
p.connsMu.Unlock()
if err != nil {
return nil, err
}
if cn == nil {
break
}
@ -300,28 +327,39 @@ func (p *ConnPool) freeTurn() {
<-p.queue
}
func (p *ConnPool) popIdle() *Conn {
if len(p.idleConns) == 0 {
return nil
func (p *ConnPool) popIdle() (*Conn, error) {
if p.closed() {
return nil, ErrClosed
}
n := len(p.idleConns)
if n == 0 {
return nil, nil
}
idx := len(p.idleConns) - 1
cn := p.idleConns[idx]
p.idleConns = p.idleConns[:idx]
var cn *Conn
if p.opt.PoolFIFO {
cn = p.idleConns[0]
copy(p.idleConns, p.idleConns[1:])
p.idleConns = p.idleConns[:n-1]
} else {
idx := n - 1
cn = p.idleConns[idx]
p.idleConns = p.idleConns[:idx]
}
p.idleConnsLen--
p.checkMinIdleConns()
return cn
return cn, nil
}
func (p *ConnPool) Put(cn *Conn) {
func (p *ConnPool) Put(ctx context.Context, cn *Conn) {
if cn.rd.Buffered() > 0 {
internal.Logger.Printf("Conn has unread data")
p.Remove(cn, BadConnError{})
internal.Logger.Printf(ctx, "Conn has unread data")
p.Remove(ctx, cn, BadConnError{})
return
}
if !cn.pooled {
p.Remove(cn, nil)
p.Remove(ctx, cn, nil)
return
}
@ -332,7 +370,7 @@ func (p *ConnPool) Put(cn *Conn) {
p.freeTurn()
}
func (p *ConnPool) Remove(cn *Conn, reason error) {
func (p *ConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
p.removeConnWithLock(cn)
p.freeTurn()
_ = p.closeConn(cn)
@ -403,8 +441,10 @@ func (p *ConnPool) closed() bool {
}
func (p *ConnPool) Filter(fn func(*Conn) bool) error {
var firstErr error
p.connsMu.Lock()
defer p.connsMu.Unlock()
var firstErr error
for _, cn := range p.conns {
if fn(cn) {
if err := p.closeConn(cn); err != nil && firstErr == nil {
@ -412,7 +452,6 @@ func (p *ConnPool) Filter(fn func(*Conn) bool) error {
}
}
}
p.connsMu.Unlock()
return firstErr
}
@ -453,7 +492,7 @@ func (p *ConnPool) reaper(frequency time.Duration) {
}
_, err := p.ReapStaleConns()
if err != nil {
internal.Logger.Printf("ReapStaleConns failed: %s", err)
internal.Logger.Printf(context.Background(), "ReapStaleConns failed: %s", err)
continue
}
case <-p.closedCh:
@ -470,6 +509,7 @@ func (p *ConnPool) ReapStaleConns() (int, error) {
p.connsMu.Lock()
cn := p.reapStaleConn()
p.connsMu.Unlock()
p.freeTurn()
if cn != nil {

58
backend/vendor/github.com/go-redis/redis/v8/internal/pool/pool_single.go generated vendored Normal file
View File

@ -0,0 +1,58 @@
package pool
import "context"
type SingleConnPool struct {
pool Pooler
cn *Conn
stickyErr error
}
var _ Pooler = (*SingleConnPool)(nil)
func NewSingleConnPool(pool Pooler, cn *Conn) *SingleConnPool {
return &SingleConnPool{
pool: pool,
cn: cn,
}
}
func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) {
return p.pool.NewConn(ctx)
}
func (p *SingleConnPool) CloseConn(cn *Conn) error {
return p.pool.CloseConn(cn)
}
func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
if p.stickyErr != nil {
return nil, p.stickyErr
}
return p.cn, nil
}
func (p *SingleConnPool) Put(ctx context.Context, cn *Conn) {}
func (p *SingleConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
p.cn = nil
p.stickyErr = reason
}
func (p *SingleConnPool) Close() error {
p.cn = nil
p.stickyErr = ErrClosed
return nil
}
func (p *SingleConnPool) Len() int {
return 0
}
func (p *SingleConnPool) IdleLen() int {
return 0
}
func (p *SingleConnPool) Stats() *Stats {
return &Stats{}
}

115
backend/vendor/github.com/go-redis/redis/v7/internal/pool/pool_single.go → backend/vendor/github.com/go-redis/redis/v8/internal/pool/pool_sticky.go generated vendored
View File

@ -2,6 +2,7 @@ package pool
import (
"context"
"errors"
"fmt"
"sync/atomic"
)
@ -30,9 +31,11 @@ func (e BadConnError) Unwrap() error {
return e.wrapped
}
type SingleConnPool struct {
pool Pooler
level int32 // atomic
//------------------------------------------------------------------------------
type StickyConnPool struct {
pool Pooler
shared int32 // atomic
state uint32 // atomic
ch chan *Conn
@ -40,37 +43,29 @@ type SingleConnPool struct {
_badConnError atomic.Value
}
var _ Pooler = (*SingleConnPool)(nil)
var _ Pooler = (*StickyConnPool)(nil)
func NewSingleConnPool(pool Pooler) *SingleConnPool {
p, ok := pool.(*SingleConnPool)
func NewStickyConnPool(pool Pooler) *StickyConnPool {
p, ok := pool.(*StickyConnPool)
if !ok {
p = &SingleConnPool{
p = &StickyConnPool{
pool: pool,
ch: make(chan *Conn, 1),
}
}
atomic.AddInt32(&p.level, 1)
atomic.AddInt32(&p.shared, 1)
return p
}
func (p *SingleConnPool) SetConn(cn *Conn) {
if atomic.CompareAndSwapUint32(&p.state, stateDefault, stateInited) {
p.ch <- cn
} else {
panic("not reached")
}
}
func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) {
func (p *StickyConnPool) NewConn(ctx context.Context) (*Conn, error) {
return p.pool.NewConn(ctx)
}
func (p *SingleConnPool) CloseConn(cn *Conn) error {
func (p *StickyConnPool) CloseConn(cn *Conn) error {
return p.pool.CloseConn(cn)
}
func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
func (p *StickyConnPool) Get(ctx context.Context) (*Conn, error) {
// In worst case this races with Close which is not a very common operation.
for i := 0; i < 1000; i++ {
switch atomic.LoadUint32(&p.state) {
@ -82,7 +77,7 @@ func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
if atomic.CompareAndSwapUint32(&p.state, stateDefault, stateInited) {
return cn, nil
}
p.pool.Remove(cn, ErrClosed)
p.pool.Remove(ctx, cn, ErrClosed)
case stateInited:
if err := p.badConnError(); err != nil {
return nil, err
@ -98,60 +93,38 @@ func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) {
panic("not reached")
}
}
return nil, fmt.Errorf("redis: SingleConnPool.Get: infinite loop")
return nil, fmt.Errorf("redis: StickyConnPool.Get: infinite loop")
}
func (p *SingleConnPool) Put(cn *Conn) {
func (p *StickyConnPool) Put(ctx context.Context, cn *Conn) {
defer func() {
if recover() != nil {
p.freeConn(cn)
p.freeConn(ctx, cn)
}
}()
p.ch <- cn
}
func (p *SingleConnPool) freeConn(cn *Conn) {
func (p *StickyConnPool) freeConn(ctx context.Context, cn *Conn) {
if err := p.badConnError(); err != nil {
p.pool.Remove(cn, err)
p.pool.Remove(ctx, cn, err)
} else {
p.pool.Put(cn)
p.pool.Put(ctx, cn)
}
}
func (p *SingleConnPool) Remove(cn *Conn, reason error) {
func (p *StickyConnPool) Remove(ctx context.Context, cn *Conn, reason error) {
defer func() {
if recover() != nil {
p.pool.Remove(cn, ErrClosed)
p.pool.Remove(ctx, cn, ErrClosed)
}
}()
p._badConnError.Store(BadConnError{wrapped: reason})
p.ch <- cn
}
func (p *SingleConnPool) Len() int {
switch atomic.LoadUint32(&p.state) {
case stateDefault:
return 0
case stateInited:
return 1
case stateClosed:
return 0
default:
panic("not reached")
}
}
func (p *SingleConnPool) IdleLen() int {
return len(p.ch)
}
func (p *SingleConnPool) Stats() *Stats {
return &Stats{}
}
func (p *SingleConnPool) Close() error {
level := atomic.AddInt32(&p.level, -1)
if level > 0 {
func (p *StickyConnPool) Close() error {
if shared := atomic.AddInt32(&p.shared, -1); shared > 0 {
return nil
}
@ -164,16 +137,16 @@ func (p *SingleConnPool) Close() error {
close(p.ch)
cn, ok := <-p.ch
if ok {
p.freeConn(cn)
p.freeConn(context.TODO(), cn)
}
return nil
}
}
return fmt.Errorf("redis: SingleConnPool.Close: infinite loop")
return errors.New("redis: StickyConnPool.Close: infinite loop")
}
func (p *SingleConnPool) Reset() error {
func (p *StickyConnPool) Reset(ctx context.Context) error {
if p.badConnError() == nil {
return nil
}
@ -183,26 +156,46 @@ func (p *SingleConnPool) Reset() error {
if !ok {
return ErrClosed
}
p.pool.Remove(cn, ErrClosed)
p.pool.Remove(ctx, cn, ErrClosed)
p._badConnError.Store(BadConnError{wrapped: nil})
default:
return fmt.Errorf("redis: SingleConnPool does not have a Conn")
return errors.New("redis: StickyConnPool does not have a Conn")
}
if !atomic.CompareAndSwapUint32(&p.state, stateInited, stateDefault) {
state := atomic.LoadUint32(&p.state)
return fmt.Errorf("redis: invalid SingleConnPool state: %d", state)
return fmt.Errorf("redis: invalid StickyConnPool state: %d", state)
}
return nil
}
func (p *SingleConnPool) badConnError() error {
func (p *StickyConnPool) badConnError() error {
if v := p._badConnError.Load(); v != nil {
err := v.(BadConnError)
if err.wrapped != nil {
if err := v.(BadConnError); err.wrapped != nil {
return err
}
}
return nil
}
func (p *StickyConnPool) Len() int {
switch atomic.LoadUint32(&p.state) {
case stateDefault:
return 0
case stateInited:
return 1
case stateClosed:
return 0
default:
panic("not reached")
}
}
func (p *StickyConnPool) IdleLen() int {
return len(p.ch)
}
func (p *StickyConnPool) Stats() *Stats {
return &Stats{}
}

34
backend/vendor/github.com/go-redis/redis/v7/internal/proto/reader.go → backend/vendor/github.com/go-redis/redis/v8/internal/proto/reader.go generated vendored
View File

@ -5,9 +5,10 @@ import (
"fmt"
"io"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
// redis resp protocol data type.
const (
ErrorReply = '-'
StatusReply = '+'
@ -18,7 +19,7 @@ const (
//------------------------------------------------------------------------------
const Nil = RedisError("redis: nil")
const Nil = RedisError("redis: nil") // nolint:errname
type RedisError string
@ -71,13 +72,25 @@ func (r *Reader) ReadLine() ([]byte, error) {
func (r *Reader) readLine() ([]byte, error) {
b, err := r.rd.ReadSlice('\n')
if err != nil {
return nil, err
if err != bufio.ErrBufferFull {
return nil, err
}
full := make([]byte, len(b))
copy(full, b)
b, err = r.rd.ReadBytes('\n')
if err != nil {
return nil, err
}
full = append(full, b...) //nolint:makezero
b = full
}
if len(b) <= 2 || b[len(b)-1] != '\n' || b[len(b)-2] != '\r' {
return nil, fmt.Errorf("redis: invalid reply: %q", b)
}
b = b[:len(b)-2]
return b, nil
return b[:len(b)-2], nil
}
func (r *Reader) ReadReply(m MultiBulkParse) (interface{}, error) {
@ -181,7 +194,7 @@ func (r *Reader) ReadArrayReply(m MultiBulkParse) (interface{}, error) {
}
}
func (r *Reader) ReadArrayLen() (int64, error) {
func (r *Reader) ReadArrayLen() (int, error) {
line, err := r.ReadLine()
if err != nil {
return 0, err
@ -190,7 +203,11 @@ func (r *Reader) ReadArrayLen() (int64, error) {
case ErrorReply:
return 0, ParseErrorReply(line)
case ArrayReply:
return parseArrayLen(line)
n, err := parseArrayLen(line)
if err != nil {
return 0, err
}
return int(n), nil
default:
return 0, fmt.Errorf("redis: can't parse array reply: %.100q", line)
}
@ -216,7 +233,8 @@ func (r *Reader) ReadScanReply() ([]string, uint64, error) {
}
keys := make([]string, n)
for i := int64(0); i < n; i++ {
for i := 0; i < n; i++ {
key, err := r.ReadString()
if err != nil {
return nil, 0, err

18
backend/vendor/github.com/go-redis/redis/v7/internal/proto/scan.go → backend/vendor/github.com/go-redis/redis/v8/internal/proto/scan.go generated vendored
View File

@ -4,10 +4,13 @@ import (
"encoding"
"fmt"
"reflect"
"time"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
// Scan parses bytes `b` to `v` with appropriate type.
//nolint:gocyclo
func Scan(b []byte, v interface{}) error {
switch v := v.(type) {
case nil:
@ -99,6 +102,17 @@ func Scan(b []byte, v interface{}) error {
case *bool:
*v = len(b) == 1 && b[0] == '1'
return nil
case *time.Time:
var err error
*v, err = time.Parse(time.RFC3339Nano, util.BytesToString(b))
return err
case *time.Duration:
n, err := util.ParseInt(b, 10, 64)
if err != nil {
return err
}
*v = time.Duration(n)
return nil
case encoding.BinaryUnmarshaler:
return v.UnmarshalBinary(b)
default:
@ -124,7 +138,7 @@ func ScanSlice(data []string, slice interface{}) error {
for i, s := range data {
elem := next()
if err := Scan([]byte(s), elem.Addr().Interface()); err != nil {
err = fmt.Errorf("redis: ScanSlice index=%d value=%q failed: %s", i, s, err)
err = fmt.Errorf("redis: ScanSlice index=%d value=%q failed: %w", i, s, err)
return err
}
}

60
backend/vendor/github.com/go-redis/redis/v7/internal/proto/writer.go → backend/vendor/github.com/go-redis/redis/v8/internal/proto/writer.go generated vendored
View File

@ -1,26 +1,32 @@
package proto
import (
"bufio"
"encoding"
"fmt"
"io"
"strconv"
"time"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
type writer interface {
io.Writer
io.ByteWriter
// io.StringWriter
WriteString(s string) (n int, err error)
}
type Writer struct {
wr *bufio.Writer
writer
lenBuf []byte
numBuf []byte
}
func NewWriter(wr io.Writer) *Writer {
func NewWriter(wr writer) *Writer {
return &Writer{
wr: bufio.NewWriter(wr),
writer: wr,
lenBuf: make([]byte, 64),
numBuf: make([]byte, 64),
@ -28,19 +34,16 @@ func NewWriter(wr io.Writer) *Writer {
}
func (w *Writer) WriteArgs(args []interface{}) error {
err := w.wr.WriteByte(ArrayReply)
if err != nil {
if err := w.WriteByte(ArrayReply); err != nil {
return err
}
err = w.writeLen(len(args))
if err != nil {
if err := w.writeLen(len(args)); err != nil {
return err
}
for _, arg := range args {
err := w.writeArg(arg)
if err != nil {
if err := w.WriteArg(arg); err != nil {
return err
}
}
@ -51,11 +54,11 @@ func (w *Writer) WriteArgs(args []interface{}) error {
func (w *Writer) writeLen(n int) error {
w.lenBuf = strconv.AppendUint(w.lenBuf[:0], uint64(n), 10)
w.lenBuf = append(w.lenBuf, '\r', '\n')
_, err := w.wr.Write(w.lenBuf)
_, err := w.Write(w.lenBuf)
return err
}
func (w *Writer) writeArg(v interface{}) error {
func (w *Writer) WriteArg(v interface{}) error {
switch v := v.(type) {
case nil:
return w.string("")
@ -93,7 +96,10 @@ func (w *Writer) writeArg(v interface{}) error {
}
return w.int(0)
case time.Time:
return w.string(v.Format(time.RFC3339Nano))
w.numBuf = v.AppendFormat(w.numBuf[:0], time.RFC3339Nano)
return w.bytes(w.numBuf)
case time.Duration:
return w.int(v.Nanoseconds())
case encoding.BinaryMarshaler:
b, err := v.MarshalBinary()
if err != nil {
@ -107,18 +113,15 @@ func (w *Writer) writeArg(v interface{}) error {
}
func (w *Writer) bytes(b []byte) error {
err := w.wr.WriteByte(StringReply)
if err != nil {
if err := w.WriteByte(StringReply); err != nil {
return err
}
err = w.writeLen(len(b))
if err != nil {
if err := w.writeLen(len(b)); err != nil {
return err
}
_, err = w.wr.Write(b)
if err != nil {
if _, err := w.Write(b); err != nil {
return err
}
@ -145,21 +148,8 @@ func (w *Writer) float(f float64) error {
}
func (w *Writer) crlf() error {
err := w.wr.WriteByte('\r')
if err != nil {
if err := w.WriteByte('\r'); err != nil {
return err
}
return w.wr.WriteByte('\n')
}
func (w *Writer) Buffered() int {
return w.wr.Buffered()
}
func (w *Writer) Reset(wr io.Writer) {
w.wr.Reset(wr)
}
func (w *Writer) Flush() error {
return w.wr.Flush()
return w.WriteByte('\n')
}

50
backend/vendor/github.com/go-redis/redis/v8/internal/rand/rand.go generated vendored Normal file
View File

@ -0,0 +1,50 @@
package rand
import (
"math/rand"
"sync"
)
// Int returns a non-negative pseudo-random int.
func Int() int { return pseudo.Int() }
// Intn returns, as an int, a non-negative pseudo-random number in [0,n).
// It panics if n <= 0.
func Intn(n int) int { return pseudo.Intn(n) }
// Int63n returns, as an int64, a non-negative pseudo-random number in [0,n).
// It panics if n <= 0.
func Int63n(n int64) int64 { return pseudo.Int63n(n) }
// Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n).
func Perm(n int) []int { return pseudo.Perm(n) }
// Seed uses the provided seed value to initialize the default Source to a
// deterministic state. If Seed is not called, the generator behaves as if
// seeded by Seed(1).
func Seed(n int64) { pseudo.Seed(n) }
var pseudo = rand.New(&source{src: rand.NewSource(1)})
type source struct {
src rand.Source
mu sync.Mutex
}
func (s *source) Int63() int64 {
s.mu.Lock()
n := s.src.Int63()
s.mu.Unlock()
return n
}
func (s *source) Seed(seed int64) {
s.mu.Lock()
s.src.Seed(seed)
s.mu.Unlock()
}
// Shuffle pseudo-randomizes the order of elements.
// n is the number of elements.
// swap swaps the elements with indexes i and j.
func Shuffle(n int, swap func(i, j int)) { pseudo.Shuffle(n, swap) }

12
backend/vendor/github.com/go-redis/redis/v8/internal/safe.go generated vendored Normal file
View File

@ -0,0 +1,12 @@
//go:build appengine
// +build appengine
package internal
func String(b []byte) string {
return string(b)
}
func Bytes(s string) []byte {
return []byte(s)
}

21
backend/vendor/github.com/go-redis/redis/v8/internal/unsafe.go generated vendored Normal file
View File

@ -0,0 +1,21 @@
//go:build !appengine
// +build !appengine
package internal
import "unsafe"
// String converts byte slice to string.
func String(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
// Bytes converts string to byte slice.
func Bytes(s string) []byte {
return *(*[]byte)(unsafe.Pointer(
&struct {
string
Cap int
}{s, len(s)},
))
}

12
backend/vendor/github.com/go-redis/redis/v7/internal/util.go → backend/vendor/github.com/go-redis/redis/v8/internal/util.go generated vendored
View File

@ -4,7 +4,7 @@ import (
"context"
"time"
"github.com/go-redis/redis/v7/internal/util"
"github.com/go-redis/redis/v8/internal/util"
)
func Sleep(ctx context.Context, dur time.Duration) error {
@ -44,13 +44,3 @@ func isLower(s string) bool {
}
return true
}
func Unwrap(err error) error {
u, ok := err.(interface {
Unwrap() error
})
if !ok {
return nil
}
return u.Unwrap()
}

1
backend/vendor/github.com/go-redis/redis/v7/internal/util/safe.go → backend/vendor/github.com/go-redis/redis/v8/internal/util/safe.go generated vendored
View File

@ -1,3 +1,4 @@
//go:build appengine
// +build appengine
package util

0
backend/vendor/github.com/go-redis/redis/v7/internal/util/strconv.go → backend/vendor/github.com/go-redis/redis/v8/internal/util/strconv.go generated vendored
View File

1
backend/vendor/github.com/go-redis/redis/v7/internal/util/unsafe.go → backend/vendor/github.com/go-redis/redis/v8/internal/util/unsafe.go generated vendored
View File

@ -1,3 +1,4 @@
//go:build !appengine
// +build !appengine
package util

10
backend/vendor/github.com/go-redis/redis/v7/iterator.go → backend/vendor/github.com/go-redis/redis/v8/iterator.go generated vendored
View File

@ -1,6 +1,7 @@
package redis
import (
"context"
"sync"
)
@ -21,7 +22,7 @@ func (it *ScanIterator) Err() error {
}
// Next advances the cursor and returns true if more values can be read.
func (it *ScanIterator) Next() bool {
func (it *ScanIterator) Next(ctx context.Context) bool {
it.mu.Lock()
defer it.mu.Unlock()
@ -43,13 +44,14 @@ func (it *ScanIterator) Next() bool {
}
// Fetch next page.
if it.cmd.args[0] == "scan" {
switch it.cmd.args[0] {
case "scan", "qscan":
it.cmd.args[1] = it.cmd.cursor
} else {
default:
it.cmd.args[2] = it.cmd.cursor
}
err := it.cmd.process(it.cmd)
err := it.cmd.process(ctx, it.cmd)
if err != nil {
return false
}

232
backend/vendor/github.com/go-redis/redis/v7/options.go → backend/vendor/github.com/go-redis/redis/v8/options.go generated vendored
View File

@ -8,11 +8,12 @@ import (
"net"
"net/url"
"runtime"
"sort"
"strconv"
"strings"
"time"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v8/internal/pool"
)
// Limiter is the interface of a rate limiter or a circuit breaker.
@ -26,6 +27,7 @@ type Limiter interface {
ReportResult(result error)
}
// Options keeps the settings to setup redis connection.
type Options struct {
// The network type, either tcp or unix.
// Default is tcp.
@ -38,21 +40,23 @@ type Options struct {
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
// Hook that is called when new connection is established.
OnConnect func(*Conn) error
OnConnect func(ctx context.Context, cn *Conn) error
// Use the specified Username to authenticate the current connection with one of the connections defined in the ACL
// list when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
// Use the specified Username to authenticate the current connection
// with one of the connections defined in the ACL list when connecting
// to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
Username string
// Optional password. Must match the password specified in the
// requirepass server configuration option (if connecting to a Redis 5.0 instance, or lower),
// or the User Password when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
// or the User Password when connecting to a Redis 6.0 instance, or greater,
// that is using the Redis ACL system.
Password string
// Database to be selected after connecting to the server.
DB int
// Maximum number of retries before giving up.
// Default is to not retry failed commands.
// Default is 3 retries; -1 (not 0) disables retries.
MaxRetries int
// Minimum backoff between each retry.
// Default is 8 milliseconds; -1 disables backoff.
@ -73,8 +77,12 @@ type Options struct {
// Default is ReadTimeout.
WriteTimeout time.Duration
// Type of connection pool.
// true for FIFO pool, false for LIFO pool.
// Note that fifo has higher overhead compared to lifo.
PoolFIFO bool
// Maximum number of socket connections.
// Default is 10 connections per every CPU as reported by runtime.NumCPU.
// Default is 10 connections per every available CPU as reported by runtime.GOMAXPROCS.
PoolSize int
// Minimum number of idle connections which is useful when establishing
// new connection is slow.
@ -117,6 +125,9 @@ func (opt *Options) init() {
opt.Network = "tcp"
}
}
if opt.DialTimeout == 0 {
opt.DialTimeout = 5 * time.Second
}
if opt.Dialer == nil {
opt.Dialer = func(ctx context.Context, network, addr string) (net.Conn, error) {
netDialer := &net.Dialer{
@ -130,10 +141,7 @@ func (opt *Options) init() {
}
}
if opt.PoolSize == 0 {
opt.PoolSize = 10 * runtime.NumCPU()
}
if opt.DialTimeout == 0 {
opt.DialTimeout = 5 * time.Second
opt.PoolSize = 10 * runtime.GOMAXPROCS(0)
}
switch opt.ReadTimeout {
case -1:
@ -159,6 +167,8 @@ func (opt *Options) init() {
if opt.MaxRetries == -1 {
opt.MaxRetries = 0
} else if opt.MaxRetries == 0 {
opt.MaxRetries = 3
}
switch opt.MinRetryBackoff {
case -1:
@ -180,27 +190,55 @@ func (opt *Options) clone() *Options {
}
// ParseURL parses an URL into Options that can be used to connect to Redis.
// Scheme is required.
// There are two connection types: by tcp socket and by unix socket.
// Tcp connection:
// redis://<user>:<password>@<host>:<port>/<db_number>
// Unix connection:
// unix://<user>:<password>@</path/to/redis.sock>?db=<db_number>
// Most Option fields can be set using query parameters, with the following restrictions:
// - field names are mapped using snake-case conversion: to set MaxRetries, use max_retries
// - only scalar type fields are supported (bool, int, time.Duration)
// - for time.Duration fields, values must be a valid input for time.ParseDuration();
// additionally a plain integer as value (i.e. without unit) is intepreted as seconds
// - to disable a duration field, use value less than or equal to 0; to use the default
// value, leave the value blank or remove the parameter
// - only the last value is interpreted if a parameter is given multiple times
// - fields "network", "addr", "username" and "password" can only be set using other
// URL attributes (scheme, host, userinfo, resp.), query paremeters using these
// names will be treated as unknown parameters
// - unknown parameter names will result in an error
// Examples:
// redis://user:password@localhost:6789/3?dial_timeout=3&db=1&read_timeout=6s&max_retries=2
// is equivalent to:
// &Options{
// Network: "tcp",
// Addr: "localhost:6789",
// DB: 1, // path "/3" was overridden by "&db=1"
// DialTimeout: 3 * time.Second, // no time unit = seconds
// ReadTimeout: 6 * time.Second,
// MaxRetries: 2,
// }
func ParseURL(redisURL string) (*Options, error) {
o := &Options{Network: "tcp"}
u, err := url.Parse(redisURL)
if err != nil {
return nil, err
}
if u.Scheme != "redis" && u.Scheme != "rediss" {
return nil, errors.New("invalid redis URL scheme: " + u.Scheme)
switch u.Scheme {
case "redis", "rediss":
return setupTCPConn(u)
case "unix":
return setupUnixConn(u)
default:
return nil, fmt.Errorf("redis: invalid URL scheme: %s", u.Scheme)
}
}
if u.User != nil {
o.Username = u.User.Username()
if p, ok := u.User.Password(); ok {
o.Password = p
}
}
func setupTCPConn(u *url.URL) (*Options, error) {
o := &Options{Network: "tcp"}
if len(u.Query()) > 0 {
return nil, errors.New("no options supported")
}
o.Username, o.Password = getUserPassword(u)
h, p, err := net.SplitHostPort(u.Host)
if err != nil {
@ -222,23 +260,165 @@ func ParseURL(redisURL string) (*Options, error) {
o.DB = 0
case 1:
if o.DB, err = strconv.Atoi(f[0]); err != nil {
return nil, fmt.Errorf("invalid redis database number: %q", f[0])
return nil, fmt.Errorf("redis: invalid database number: %q", f[0])
}
default:
return nil, errors.New("invalid redis URL path: " + u.Path)
return nil, fmt.Errorf("redis: invalid URL path: %s", u.Path)
}
if u.Scheme == "rediss" {
o.TLSConfig = &tls.Config{ServerName: h}
}
return setupConnParams(u, o)
}
func setupUnixConn(u *url.URL) (*Options, error) {
o := &Options{
Network: "unix",
}
if strings.TrimSpace(u.Path) == "" { // path is required with unix connection
return nil, errors.New("redis: empty unix socket path")
}
o.Addr = u.Path
o.Username, o.Password = getUserPassword(u)
return setupConnParams(u, o)
}
type queryOptions struct {
q url.Values
err error
}
func (o *queryOptions) string(name string) string {
vs := o.q[name]
if len(vs) == 0 {
return ""
}
delete(o.q, name) // enable detection of unknown parameters
return vs[len(vs)-1]
}
func (o *queryOptions) int(name string) int {
s := o.string(name)
if s == "" {
return 0
}
i, err := strconv.Atoi(s)
if err == nil {
return i
}
if o.err == nil {
o.err = fmt.Errorf("redis: invalid %s number: %s", name, err)
}
return 0
}
func (o *queryOptions) duration(name string) time.Duration {
s := o.string(name)
if s == "" {
return 0
}
// try plain number first
if i, err := strconv.Atoi(s); err == nil {
if i <= 0 {
// disable timeouts
return -1
}
return time.Duration(i) * time.Second
}
dur, err := time.ParseDuration(s)
if err == nil {
return dur
}
if o.err == nil {
o.err = fmt.Errorf("redis: invalid %s duration: %w", name, err)
}
return 0
}
func (o *queryOptions) bool(name string) bool {
switch s := o.string(name); s {
case "true", "1":
return true
case "false", "0", "":
return false
default:
if o.err == nil {
o.err = fmt.Errorf("redis: invalid %s boolean: expected true/false/1/0 or an empty string, got %q", name, s)
}
return false
}
}
func (o *queryOptions) remaining() []string {
if len(o.q) == 0 {
return nil
}
keys := make([]string, 0, len(o.q))
for k := range o.q {
keys = append(keys, k)
}
sort.Strings(keys)
return keys
}
// setupConnParams converts query parameters in u to option value in o.
func setupConnParams(u *url.URL, o *Options) (*Options, error) {
q := queryOptions{q: u.Query()}
// compat: a future major release may use q.int("db")
if tmp := q.string("db"); tmp != "" {
db, err := strconv.Atoi(tmp)
if err != nil {
return nil, fmt.Errorf("redis: invalid database number: %w", err)
}
o.DB = db
}
o.MaxRetries = q.int("max_retries")
o.MinRetryBackoff = q.duration("min_retry_backoff")
o.MaxRetryBackoff = q.duration("max_retry_backoff")
o.DialTimeout = q.duration("dial_timeout")
o.ReadTimeout = q.duration("read_timeout")
o.WriteTimeout = q.duration("write_timeout")
o.PoolFIFO = q.bool("pool_fifo")
o.PoolSize = q.int("pool_size")
o.MinIdleConns = q.int("min_idle_conns")
o.MaxConnAge = q.duration("max_conn_age")
o.PoolTimeout = q.duration("pool_timeout")
o.IdleTimeout = q.duration("idle_timeout")
o.IdleCheckFrequency = q.duration("idle_check_frequency")
if q.err != nil {
return nil, q.err
}
// any parameters left?
if r := q.remaining(); len(r) > 0 {
return nil, fmt.Errorf("redis: unexpected option: %s", strings.Join(r, ", "))
}
return o, nil
}
func getUserPassword(u *url.URL) (string, string) {
var user, password string
if u.User != nil {
user = u.User.Username()
if p, ok := u.User.Password(); ok {
password = p
}
}
return user, password
}
func newConnPool(opt *Options) *pool.ConnPool {
return pool.NewConnPool(&pool.Options{
Dialer: func(ctx context.Context) (net.Conn, error) {
return opt.Dialer(ctx, opt.Network, opt.Addr)
},
PoolFIFO: opt.PoolFIFO,
PoolSize: opt.PoolSize,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,

8
backend/vendor/github.com/go-redis/redis/v8/package.json generated vendored Normal file
View File

@ -0,0 +1,8 @@
{
"name": "redis",
"version": "8.11.5",
"main": "index.js",
"repository": "git@github.com:go-redis/redis.git",
"author": "Vladimir Mihailenco <vladimir.webdev@gmail.com>",
"license": "BSD-2-clause"
}

41
backend/vendor/github.com/go-redis/redis/v7/pipeline.go → backend/vendor/github.com/go-redis/redis/v8/pipeline.go generated vendored
View File

@ -4,7 +4,7 @@ import (
"context"
"sync"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v8/internal/pool"
)
type pipelineExecer func(context.Context, []Cmder) error
@ -24,12 +24,12 @@ type pipelineExecer func(context.Context, []Cmder) error
// depends of your batch size and/or use TxPipeline.
type Pipeliner interface {
StatefulCmdable
Do(args ...interface{}) *Cmd
Process(cmd Cmder) error
Len() int
Do(ctx context.Context, args ...interface{}) *Cmd
Process(ctx context.Context, cmd Cmder) error
Close() error
Discard() error
Exec() ([]Cmder, error)
ExecContext(ctx context.Context) ([]Cmder, error)
Exec(ctx context.Context) ([]Cmder, error)
}
var _ Pipeliner = (*Pipeline)(nil)
@ -54,14 +54,23 @@ func (c *Pipeline) init() {
c.statefulCmdable = c.Process
}
func (c *Pipeline) Do(args ...interface{}) *Cmd {
cmd := NewCmd(args...)
_ = c.Process(cmd)
// Len returns the number of queued commands.
func (c *Pipeline) Len() int {
c.mu.Lock()
ln := len(c.cmds)
c.mu.Unlock()
return ln
}
// Do queues the custom command for later execution.
func (c *Pipeline) Do(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
// Process queues the cmd for later execution.
func (c *Pipeline) Process(cmd Cmder) error {
func (c *Pipeline) Process(ctx context.Context, cmd Cmder) error {
c.mu.Lock()
c.cmds = append(c.cmds, cmd)
c.mu.Unlock()
@ -98,11 +107,7 @@ func (c *Pipeline) discard() error {
//
// Exec always returns list of commands and error of the first failed
// command if any.
func (c *Pipeline) Exec() ([]Cmder, error) {
return c.ExecContext(c.ctx)
}
func (c *Pipeline) ExecContext(ctx context.Context) ([]Cmder, error) {
func (c *Pipeline) Exec(ctx context.Context) ([]Cmder, error) {
c.mu.Lock()
defer c.mu.Unlock()
@ -120,11 +125,11 @@ func (c *Pipeline) ExecContext(ctx context.Context) ([]Cmder, error) {
return cmds, c.exec(ctx, cmds)
}
func (c *Pipeline) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
func (c *Pipeline) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
if err := fn(c); err != nil {
return nil, err
}
cmds, err := c.Exec()
cmds, err := c.Exec(ctx)
_ = c.Close()
return cmds, err
}
@ -133,8 +138,8 @@ func (c *Pipeline) Pipeline() Pipeliner {
return c
}
func (c *Pipeline) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipelined(fn)
func (c *Pipeline) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipelined(ctx, fn)
}
func (c *Pipeline) TxPipeline() Pipeliner {

357
backend/vendor/github.com/go-redis/redis/v7/pubsub.go → backend/vendor/github.com/go-redis/redis/v8/pubsub.go generated vendored
View File

@ -2,21 +2,16 @@ package redis
import (
"context"
"errors"
"fmt"
"strings"
"sync"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
)
const pingTimeout = 30 * time.Second
var errPingTimeout = errors.New("redis: ping timeout")
// PubSub implements Pub/Sub commands as described in
// http://redis.io/topics/pubsub. Message receiving is NOT safe
// for concurrent use by multiple goroutines.
@ -26,7 +21,7 @@ var errPingTimeout = errors.New("redis: ping timeout")
type PubSub struct {
opt *Options
newConn func([]string) (*pool.Conn, error)
newConn func(ctx context.Context, channels []string) (*pool.Conn, error)
closeConn func(*pool.Conn) error
mu sync.Mutex
@ -40,9 +35,12 @@ type PubSub struct {
cmd *Cmd
chOnce sync.Once
msgCh chan *Message
allCh chan interface{}
ping chan struct{}
msgCh *channel
allCh *channel
}
func (c *PubSub) init() {
c.exit = make(chan struct{})
}
func (c *PubSub) String() string {
@ -51,18 +49,14 @@ func (c *PubSub) String() string {
return fmt.Sprintf("PubSub(%s)", strings.Join(channels, ", "))
}
func (c *PubSub) init() {
c.exit = make(chan struct{})
}
func (c *PubSub) connWithLock() (*pool.Conn, error) {
func (c *PubSub) connWithLock(ctx context.Context) (*pool.Conn, error) {
c.mu.Lock()
cn, err := c.conn(nil)
cn, err := c.conn(ctx, nil)
c.mu.Unlock()
return cn, err
}
func (c *PubSub) conn(newChannels []string) (*pool.Conn, error) {
func (c *PubSub) conn(ctx context.Context, newChannels []string) (*pool.Conn, error) {
if c.closed {
return nil, pool.ErrClosed
}
@ -73,12 +67,12 @@ func (c *PubSub) conn(newChannels []string) (*pool.Conn, error) {
channels := mapKeys(c.channels)
channels = append(channels, newChannels...)
cn, err := c.newConn(channels)
cn, err := c.newConn(ctx, channels)
if err != nil {
return nil, err
}
if err := c.resubscribe(cn); err != nil {
if err := c.resubscribe(ctx, cn); err != nil {
_ = c.closeConn(cn)
return nil, err
}
@ -93,15 +87,15 @@ func (c *PubSub) writeCmd(ctx context.Context, cn *pool.Conn, cmd Cmder) error {
})
}
func (c *PubSub) resubscribe(cn *pool.Conn) error {
func (c *PubSub) resubscribe(ctx context.Context, cn *pool.Conn) error {
var firstErr error
if len(c.channels) > 0 {
firstErr = c._subscribe(cn, "subscribe", mapKeys(c.channels))
firstErr = c._subscribe(ctx, cn, "subscribe", mapKeys(c.channels))
}
if len(c.patterns) > 0 {
err := c._subscribe(cn, "psubscribe", mapKeys(c.patterns))
err := c._subscribe(ctx, cn, "psubscribe", mapKeys(c.patterns))
if err != nil && firstErr == nil {
firstErr = err
}
@ -121,35 +115,40 @@ func mapKeys(m map[string]struct{}) []string {
}
func (c *PubSub) _subscribe(
cn *pool.Conn, redisCmd string, channels []string,
ctx context.Context, cn *pool.Conn, redisCmd string, channels []string,
) error {
args := make([]interface{}, 0, 1+len(channels))
args = append(args, redisCmd)
for _, channel := range channels {
args = append(args, channel)
}
cmd := NewSliceCmd(args...)
return c.writeCmd(context.TODO(), cn, cmd)
cmd := NewSliceCmd(ctx, args...)
return c.writeCmd(ctx, cn, cmd)
}
func (c *PubSub) releaseConnWithLock(cn *pool.Conn, err error, allowTimeout bool) {
func (c *PubSub) releaseConnWithLock(
ctx context.Context,
cn *pool.Conn,
err error,
allowTimeout bool,
) {
c.mu.Lock()
c.releaseConn(cn, err, allowTimeout)
c.releaseConn(ctx, cn, err, allowTimeout)
c.mu.Unlock()
}
func (c *PubSub) releaseConn(cn *pool.Conn, err error, allowTimeout bool) {
func (c *PubSub) releaseConn(ctx context.Context, cn *pool.Conn, err error, allowTimeout bool) {
if c.cn != cn {
return
}
if isBadConn(err, allowTimeout) {
c.reconnect(err)
if isBadConn(err, allowTimeout, c.opt.Addr) {
c.reconnect(ctx, err)
}
}
func (c *PubSub) reconnect(reason error) {
func (c *PubSub) reconnect(ctx context.Context, reason error) {
_ = c.closeTheCn(reason)
_, _ = c.conn(nil)
_, _ = c.conn(ctx, nil)
}
func (c *PubSub) closeTheCn(reason error) error {
@ -157,7 +156,7 @@ func (c *PubSub) closeTheCn(reason error) error {
return nil
}
if !c.closed {
internal.Logger.Printf("redis: discarding bad PubSub connection: %s", reason)
internal.Logger.Printf(c.getContext(), "redis: discarding bad PubSub connection: %s", reason)
}
err := c.closeConn(c.cn)
c.cn = nil
@ -179,11 +178,11 @@ func (c *PubSub) Close() error {
// Subscribe the client to the specified channels. It returns
// empty subscription if there are no channels.
func (c *PubSub) Subscribe(channels ...string) error {
func (c *PubSub) Subscribe(ctx context.Context, channels ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
err := c.subscribe("subscribe", channels...)
err := c.subscribe(ctx, "subscribe", channels...)
if c.channels == nil {
c.channels = make(map[string]struct{})
}
@ -195,11 +194,11 @@ func (c *PubSub) Subscribe(channels ...string) error {
// PSubscribe the client to the given patterns. It returns
// empty subscription if there are no patterns.
func (c *PubSub) PSubscribe(patterns ...string) error {
func (c *PubSub) PSubscribe(ctx context.Context, patterns ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
err := c.subscribe("psubscribe", patterns...)
err := c.subscribe(ctx, "psubscribe", patterns...)
if c.patterns == nil {
c.patterns = make(map[string]struct{})
}
@ -211,55 +210,58 @@ func (c *PubSub) PSubscribe(patterns ...string) error {
// Unsubscribe the client from the given channels, or from all of
// them if none is given.
func (c *PubSub) Unsubscribe(channels ...string) error {
func (c *PubSub) Unsubscribe(ctx context.Context, channels ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
for _, channel := range channels {
delete(c.channels, channel)
}
err := c.subscribe("unsubscribe", channels...)
err := c.subscribe(ctx, "unsubscribe", channels...)
return err
}
// PUnsubscribe the client from the given patterns, or from all of
// them if none is given.
func (c *PubSub) PUnsubscribe(patterns ...string) error {
func (c *PubSub) PUnsubscribe(ctx context.Context, patterns ...string) error {
c.mu.Lock()
defer c.mu.Unlock()
for _, pattern := range patterns {
delete(c.patterns, pattern)
}
err := c.subscribe("punsubscribe", patterns...)
err := c.subscribe(ctx, "punsubscribe", patterns...)
return err
}
func (c *PubSub) subscribe(redisCmd string, channels ...string) error {
cn, err := c.conn(channels)
func (c *PubSub) subscribe(ctx context.Context, redisCmd string, channels ...string) error {
cn, err := c.conn(ctx, channels)
if err != nil {
return err
}
err = c._subscribe(cn, redisCmd, channels)
c.releaseConn(cn, err, false)
err = c._subscribe(ctx, cn, redisCmd, channels)
c.releaseConn(ctx, cn, err, false)
return err
}
func (c *PubSub) Ping(payload ...string) error {
func (c *PubSub) Ping(ctx context.Context, payload ...string) error {
args := []interface{}{"ping"}
if len(payload) == 1 {
args = append(args, payload[0])
}
cmd := NewCmd(args...)
cmd := NewCmd(ctx, args...)
cn, err := c.connWithLock()
c.mu.Lock()
defer c.mu.Unlock()
cn, err := c.conn(ctx, nil)
if err != nil {
return err
}
err = c.writeCmd(context.TODO(), cn, cmd)
c.releaseConnWithLock(cn, err, false)
err = c.writeCmd(ctx, cn, cmd)
c.releaseConn(ctx, cn, err, false)
return err
}
@ -279,9 +281,10 @@ func (m *Subscription) String() string {
// Message received as result of a PUBLISH command issued by another client.
type Message struct {
Channel string
Pattern string
Payload string
Channel string
Pattern string
Payload string
PayloadSlice []string
}
func (m *Message) String() string {
@ -317,10 +320,24 @@ func (c *PubSub) newMessage(reply interface{}) (interface{}, error) {
Count: int(reply[2].(int64)),
}, nil
case "message":
return &Message{
Channel: reply[1].(string),
Payload: reply[2].(string),
}, nil
switch payload := reply[2].(type) {
case string:
return &Message{
Channel: reply[1].(string),
Payload: payload,
}, nil
case []interface{}:
ss := make([]string, len(payload))
for i, s := range payload {
ss[i] = s.(string)
}
return &Message{
Channel: reply[1].(string),
PayloadSlice: ss,
}, nil
default:
return nil, fmt.Errorf("redis: unsupported pubsub message payload: %T", payload)
}
case "pmessage":
return &Message{
Pattern: reply[1].(string),
@ -342,21 +359,24 @@ func (c *PubSub) newMessage(reply interface{}) (interface{}, error) {
// ReceiveTimeout acts like Receive but returns an error if message
// is not received in time. This is low-level API and in most cases
// Channel should be used instead.
func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
func (c *PubSub) ReceiveTimeout(ctx context.Context, timeout time.Duration) (interface{}, error) {
if c.cmd == nil {
c.cmd = NewCmd()
c.cmd = NewCmd(ctx)
}
cn, err := c.connWithLock()
// Don't hold the lock to allow subscriptions and pings.
cn, err := c.connWithLock(ctx)
if err != nil {
return nil, err
}
err = cn.WithReader(context.TODO(), timeout, func(rd *proto.Reader) error {
err = cn.WithReader(ctx, timeout, func(rd *proto.Reader) error {
return c.cmd.readReply(rd)
})
c.releaseConnWithLock(cn, err, timeout > 0)
c.releaseConnWithLock(ctx, cn, err, timeout > 0)
if err != nil {
return nil, err
}
@ -367,16 +387,16 @@ func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
// Receive returns a message as a Subscription, Message, Pong or error.
// See PubSub example for details. This is low-level API and in most cases
// Channel should be used instead.
func (c *PubSub) Receive() (interface{}, error) {
return c.ReceiveTimeout(0)
func (c *PubSub) Receive(ctx context.Context) (interface{}, error) {
return c.ReceiveTimeout(ctx, 0)
}
// ReceiveMessage returns a Message or error ignoring Subscription and Pong
// messages. This is low-level API and in most cases Channel should be used
// instead.
func (c *PubSub) ReceiveMessage() (*Message, error) {
func (c *PubSub) ReceiveMessage(ctx context.Context) (*Message, error) {
for {
msg, err := c.Receive()
msg, err := c.Receive(ctx)
if err != nil {
return nil, err
}
@ -395,6 +415,15 @@ func (c *PubSub) ReceiveMessage() (*Message, error) {
}
}
func (c *PubSub) getContext() context.Context {
if c.cmd != nil {
return c.cmd.ctx
}
return context.Background()
}
//------------------------------------------------------------------------------
// Channel returns a Go channel for concurrently receiving messages.
// The channel is closed together with the PubSub. If the Go channel
// is blocked full for 30 seconds the message is dropped.
@ -402,26 +431,24 @@ func (c *PubSub) ReceiveMessage() (*Message, error) {
//
// go-redis periodically sends ping messages to test connection health
// and re-subscribes if ping can not not received for 30 seconds.
func (c *PubSub) Channel() <-chan *Message {
return c.ChannelSize(100)
}
// ChannelSize is like Channel, but creates a Go channel
// with specified buffer size.
func (c *PubSub) ChannelSize(size int) <-chan *Message {
func (c *PubSub) Channel(opts ...ChannelOption) <-chan *Message {
c.chOnce.Do(func() {
c.initPing()
c.initMsgChan(size)
c.msgCh = newChannel(c, opts...)
c.msgCh.initMsgChan()
})
if c.msgCh == nil {
err := fmt.Errorf("redis: Channel can't be called after ChannelWithSubscriptions")
panic(err)
}
if cap(c.msgCh) != size {
err := fmt.Errorf("redis: PubSub.Channel size can not be changed once created")
panic(err)
}
return c.msgCh
return c.msgCh.msgCh
}
// ChannelSize is like Channel, but creates a Go channel
// with specified buffer size.
//
// Deprecated: use Channel(WithChannelSize(size)), remove in v9.
func (c *PubSub) ChannelSize(size int) <-chan *Message {
return c.Channel(WithChannelSize(size))
}
// ChannelWithSubscriptions is like Channel, but message type can be either
@ -429,51 +456,101 @@ func (c *PubSub) ChannelSize(size int) <-chan *Message {
// reconnections.
//
// ChannelWithSubscriptions can not be used together with Channel or ChannelSize.
func (c *PubSub) ChannelWithSubscriptions(size int) <-chan interface{} {
func (c *PubSub) ChannelWithSubscriptions(_ context.Context, size int) <-chan interface{} {
c.chOnce.Do(func() {
c.initPing()
c.initAllChan(size)
c.allCh = newChannel(c, WithChannelSize(size))
c.allCh.initAllChan()
})
if c.allCh == nil {
err := fmt.Errorf("redis: ChannelWithSubscriptions can't be called after Channel")
panic(err)
}
if cap(c.allCh) != size {
err := fmt.Errorf("redis: PubSub.Channel size can not be changed once created")
panic(err)
}
return c.allCh
return c.allCh.allCh
}
func (c *PubSub) initPing() {
type ChannelOption func(c *channel)
// WithChannelSize specifies the Go chan size that is used to buffer incoming messages.
//
// The default is 100 messages.
func WithChannelSize(size int) ChannelOption {
return func(c *channel) {
c.chanSize = size
}
}
// WithChannelHealthCheckInterval specifies the health check interval.
// PubSub will ping Redis Server if it does not receive any messages within the interval.
// To disable health check, use zero interval.
//
// The default is 3 seconds.
func WithChannelHealthCheckInterval(d time.Duration) ChannelOption {
return func(c *channel) {
c.checkInterval = d
}
}
// WithChannelSendTimeout specifies the channel send timeout after which
// the message is dropped.
//
// The default is 60 seconds.
func WithChannelSendTimeout(d time.Duration) ChannelOption {
return func(c *channel) {
c.chanSendTimeout = d
}
}
type channel struct {
pubSub *PubSub
msgCh chan *Message
allCh chan interface{}
ping chan struct{}
chanSize int
chanSendTimeout time.Duration
checkInterval time.Duration
}
func newChannel(pubSub *PubSub, opts ...ChannelOption) *channel {
c := &channel{
pubSub: pubSub,
chanSize: 100,
chanSendTimeout: time.Minute,
checkInterval: 3 * time.Second,
}
for _, opt := range opts {
opt(c)
}
if c.checkInterval > 0 {
c.initHealthCheck()
}
return c
}
func (c *channel) initHealthCheck() {
ctx := context.TODO()
c.ping = make(chan struct{}, 1)
go func() {
timer := time.NewTimer(pingTimeout)
timer := time.NewTimer(time.Minute)
timer.Stop()
healthy := true
for {
timer.Reset(pingTimeout)
timer.Reset(c.checkInterval)
select {
case <-c.ping:
healthy = true
if !timer.Stop() {
<-timer.C
}
case <-timer.C:
pingErr := c.Ping()
if healthy {
healthy = false
} else {
if pingErr == nil {
pingErr = errPingTimeout
}
c.mu.Lock()
c.reconnect(pingErr)
healthy = true
c.mu.Unlock()
if pingErr := c.pubSub.Ping(ctx); pingErr != nil {
c.pubSub.mu.Lock()
c.pubSub.reconnect(ctx, pingErr)
c.pubSub.mu.Unlock()
}
case <-c.exit:
case <-c.pubSub.exit:
return
}
}
@ -481,22 +558,24 @@ func (c *PubSub) initPing() {
}
// initMsgChan must be in sync with initAllChan.
func (c *PubSub) initMsgChan(size int) {
c.msgCh = make(chan *Message, size)
func (c *channel) initMsgChan() {
ctx := context.TODO()
c.msgCh = make(chan *Message, c.chanSize)
go func() {
timer := time.NewTimer(pingTimeout)
timer := time.NewTimer(time.Minute)
timer.Stop()
var errCount int
for {
msg, err := c.Receive()
msg, err := c.pubSub.Receive(ctx)
if err != nil {
if err == pool.ErrClosed {
close(c.msgCh)
return
}
if errCount > 0 {
time.Sleep(c.retryBackoff(errCount))
time.Sleep(100 * time.Millisecond)
}
errCount++
continue
@ -516,7 +595,7 @@ func (c *PubSub) initMsgChan(size int) {
case *Pong:
// Ignore.
case *Message:
timer.Reset(pingTimeout)
timer.Reset(c.chanSendTimeout)
select {
case c.msgCh <- msg:
if !timer.Stop() {
@ -524,32 +603,35 @@ func (c *PubSub) initMsgChan(size int) {
}
case <-timer.C:
internal.Logger.Printf(
"redis: %s channel is full for %s (message is dropped)", c, pingTimeout)
ctx, "redis: %s channel is full for %s (message is dropped)",
c, c.chanSendTimeout)
}
default:
internal.Logger.Printf("redis: unknown message type: %T", msg)
internal.Logger.Printf(ctx, "redis: unknown message type: %T", msg)
}
}
}()
}
// initAllChan must be in sync with initMsgChan.
func (c *PubSub) initAllChan(size int) {
c.allCh = make(chan interface{}, size)
func (c *channel) initAllChan() {
ctx := context.TODO()
c.allCh = make(chan interface{}, c.chanSize)
go func() {
timer := time.NewTimer(pingTimeout)
timer := time.NewTimer(time.Minute)
timer.Stop()
var errCount int
for {
msg, err := c.Receive()
msg, err := c.pubSub.Receive(ctx)
if err != nil {
if err == pool.ErrClosed {
close(c.allCh)
return
}
if errCount > 0 {
time.Sleep(c.retryBackoff(errCount))
time.Sleep(100 * time.Millisecond)
}
errCount++
continue
@ -564,32 +646,23 @@ func (c *PubSub) initAllChan(size int) {
}
switch msg := msg.(type) {
case *Subscription:
c.sendMessage(msg, timer)
case *Pong:
// Ignore.
case *Message:
c.sendMessage(msg, timer)
case *Subscription, *Message:
timer.Reset(c.chanSendTimeout)
select {
case c.allCh <- msg:
if !timer.Stop() {
<-timer.C
}
case <-timer.C:
internal.Logger.Printf(
ctx, "redis: %s channel is full for %s (message is dropped)",
c, c.chanSendTimeout)
}
default:
internal.Logger.Printf("redis: unknown message type: %T", msg)
internal.Logger.Printf(ctx, "redis: unknown message type: %T", msg)
}
}
}()
}
func (c *PubSub) sendMessage(msg interface{}, timer *time.Timer) {
timer.Reset(pingTimeout)
select {
case c.allCh <- msg:
if !timer.Stop() {
<-timer.C
}
case <-timer.C:
internal.Logger.Printf(
"redis: %s channel is full for %s (message is dropped)", c, pingTimeout)
}
}
func (c *PubSub) retryBackoff(attempt int) time.Duration {
return internal.RetryBackoff(attempt, c.opt.MinRetryBackoff, c.opt.MaxRetryBackoff)
}

311
backend/vendor/github.com/go-redis/redis/v7/redis.go → backend/vendor/github.com/go-redis/redis/v8/redis.go generated vendored
View File

@ -2,19 +2,20 @@ package redis
import (
"context"
"errors"
"fmt"
"log"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/go-redis/redis/v7/internal/proto"
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/proto"
)
// Nil reply returned by Redis when key does not exist.
const Nil = proto.Nil
func SetLogger(logger *log.Logger) {
func SetLogger(logger internal.Logging) {
internal.Logger = logger
}
@ -49,89 +50,73 @@ func (hs *hooks) AddHook(hook Hook) {
func (hs hooks) process(
ctx context.Context, cmd Cmder, fn func(context.Context, Cmder) error,
) error {
ctx, err := hs.beforeProcess(ctx, cmd)
if err != nil {
if len(hs.hooks) == 0 {
err := fn(ctx, cmd)
cmd.SetErr(err)
return err
}
cmdErr := fn(ctx, cmd)
var hookIndex int
var retErr error
if err := hs.afterProcess(ctx, cmd); err != nil {
cmd.SetErr(err)
return err
}
return cmdErr
}
func (hs hooks) beforeProcess(ctx context.Context, cmd Cmder) (context.Context, error) {
for _, h := range hs.hooks {
var err error
ctx, err = h.BeforeProcess(ctx, cmd)
if err != nil {
return nil, err
for ; hookIndex < len(hs.hooks) && retErr == nil; hookIndex++ {
ctx, retErr = hs.hooks[hookIndex].BeforeProcess(ctx, cmd)
if retErr != nil {
cmd.SetErr(retErr)
}
}
return ctx, nil
}
func (hs hooks) afterProcess(ctx context.Context, cmd Cmder) error {
var firstErr error
for _, h := range hs.hooks {
err := h.AfterProcess(ctx, cmd)
if err != nil && firstErr == nil {
firstErr = err
if retErr == nil {
retErr = fn(ctx, cmd)
cmd.SetErr(retErr)
}
for hookIndex--; hookIndex >= 0; hookIndex-- {
if err := hs.hooks[hookIndex].AfterProcess(ctx, cmd); err != nil {
retErr = err
cmd.SetErr(retErr)
}
}
return firstErr
return retErr
}
func (hs hooks) processPipeline(
ctx context.Context, cmds []Cmder, fn func(context.Context, []Cmder) error,
) error {
ctx, err := hs.beforeProcessPipeline(ctx, cmds)
if err != nil {
setCmdsErr(cmds, err)
if len(hs.hooks) == 0 {
err := fn(ctx, cmds)
return err
}
cmdsErr := fn(ctx, cmds)
var hookIndex int
var retErr error
if err := hs.afterProcessPipeline(ctx, cmds); err != nil {
setCmdsErr(cmds, err)
return err
}
return cmdsErr
}
func (hs hooks) beforeProcessPipeline(ctx context.Context, cmds []Cmder) (context.Context, error) {
for _, h := range hs.hooks {
var err error
ctx, err = h.BeforeProcessPipeline(ctx, cmds)
if err != nil {
return nil, err
for ; hookIndex < len(hs.hooks) && retErr == nil; hookIndex++ {
ctx, retErr = hs.hooks[hookIndex].BeforeProcessPipeline(ctx, cmds)
if retErr != nil {
setCmdsErr(cmds, retErr)
}
}
return ctx, nil
}
func (hs hooks) afterProcessPipeline(ctx context.Context, cmds []Cmder) error {
var firstErr error
for _, h := range hs.hooks {
err := h.AfterProcessPipeline(ctx, cmds)
if err != nil && firstErr == nil {
firstErr = err
if retErr == nil {
retErr = fn(ctx, cmds)
}
for hookIndex--; hookIndex >= 0; hookIndex-- {
if err := hs.hooks[hookIndex].AfterProcessPipeline(ctx, cmds); err != nil {
retErr = err
setCmdsErr(cmds, retErr)
}
}
return firstErr
return retErr
}
func (hs hooks) processTxPipeline(
ctx context.Context, cmds []Cmder, fn func(context.Context, []Cmder) error,
) error {
cmds = wrapMultiExec(cmds)
cmds = wrapMultiExec(ctx, cmds)
return hs.processPipeline(ctx, cmds, fn)
}
@ -201,6 +186,7 @@ func (c *baseClient) getConn(ctx context.Context) (*pool.Conn, error) {
}
return nil, err
}
return cn, nil
}
@ -210,10 +196,13 @@ func (c *baseClient) _getConn(ctx context.Context) (*pool.Conn, error) {
return nil, err
}
err = c.initConn(ctx, cn)
if err != nil {
c.connPool.Remove(cn, err)
if err := internal.Unwrap(err); err != nil {
if cn.Inited {
return cn, nil
}
if err := c.initConn(ctx, cn); err != nil {
c.connPool.Remove(ctx, cn, err)
if err := errors.Unwrap(err); err != nil {
return nil, err
}
return nil, err
@ -235,25 +224,24 @@ func (c *baseClient) initConn(ctx context.Context, cn *pool.Conn) error {
return nil
}
connPool := pool.NewSingleConnPool(nil)
connPool.SetConn(cn)
connPool := pool.NewSingleConnPool(c.connPool, cn)
conn := newConn(ctx, c.opt, connPool)
_, err := conn.Pipelined(func(pipe Pipeliner) error {
_, err := conn.Pipelined(ctx, func(pipe Pipeliner) error {
if c.opt.Password != "" {
if c.opt.Username != "" {
pipe.AuthACL(c.opt.Username, c.opt.Password)
pipe.AuthACL(ctx, c.opt.Username, c.opt.Password)
} else {
pipe.Auth(c.opt.Password)
pipe.Auth(ctx, c.opt.Password)
}
}
if c.opt.DB > 0 {
pipe.Select(c.opt.DB)
pipe.Select(ctx, c.opt.DB)
}
if c.opt.readOnly {
pipe.ReadOnly()
pipe.ReadOnly(ctx)
}
return nil
@ -263,20 +251,20 @@ func (c *baseClient) initConn(ctx context.Context, cn *pool.Conn) error {
}
if c.opt.OnConnect != nil {
return c.opt.OnConnect(conn)
return c.opt.OnConnect(ctx, conn)
}
return nil
}
func (c *baseClient) releaseConn(cn *pool.Conn, err error) {
func (c *baseClient) releaseConn(ctx context.Context, cn *pool.Conn, err error) {
if c.opt.Limiter != nil {
c.opt.Limiter.ReportResult(err)
}
if isBadConn(err, false) {
c.connPool.Remove(cn, err)
if isBadConn(err, false, c.opt.Addr) {
c.connPool.Remove(ctx, cn, err)
} else {
c.connPool.Put(cn)
c.connPool.Put(ctx, cn)
}
}
@ -287,56 +275,83 @@ func (c *baseClient) withConn(
if err != nil {
return err
}
defer func() {
c.releaseConn(cn, err)
c.releaseConn(ctx, cn, err)
}()
err = fn(ctx, cn)
return err
done := ctx.Done() //nolint:ifshort
if done == nil {
err = fn(ctx, cn)
return err
}
errc := make(chan error, 1)
go func() { errc <- fn(ctx, cn) }()
select {
case <-done:
_ = cn.Close()
// Wait for the goroutine to finish and send something.
<-errc
err = ctx.Err()
return err
case err = <-errc:
return err
}
}
func (c *baseClient) process(ctx context.Context, cmd Cmder) error {
err := c._process(ctx, cmd)
if err != nil {
cmd.SetErr(err)
return err
}
return nil
}
func (c *baseClient) _process(ctx context.Context, cmd Cmder) error {
var lastErr error
for attempt := 0; attempt <= c.opt.MaxRetries; attempt++ {
if attempt > 0 {
if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil {
return err
}
attempt := attempt
retry, err := c._process(ctx, cmd, attempt)
if err == nil || !retry {
return err
}
retryTimeout := true
lastErr = c.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
err := cn.WithWriter(ctx, c.opt.WriteTimeout, func(wr *proto.Writer) error {
return writeCmd(wr, cmd)
})
if err != nil {
return err
}
err = cn.WithReader(ctx, c.cmdTimeout(cmd), cmd.readReply)
if err != nil {
retryTimeout = cmd.readTimeout() == nil
return err
}
return nil
})
if lastErr == nil || !isRetryableError(lastErr, retryTimeout) {
return lastErr
}
lastErr = err
}
return lastErr
}
func (c *baseClient) _process(ctx context.Context, cmd Cmder, attempt int) (bool, error) {
if attempt > 0 {
if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil {
return false, err
}
}
retryTimeout := uint32(1)
err := c.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error {
err := cn.WithWriter(ctx, c.opt.WriteTimeout, func(wr *proto.Writer) error {
return writeCmd(wr, cmd)
})
if err != nil {
return err
}
err = cn.WithReader(ctx, c.cmdTimeout(cmd), cmd.readReply)
if err != nil {
if cmd.readTimeout() == nil {
atomic.StoreUint32(&retryTimeout, 1)
}
return err
}
return nil
})
if err == nil {
return false, nil
}
retry := shouldRetry(err, atomic.LoadUint32(&retryTimeout) == 1)
return retry, err
}
func (c *baseClient) retryBackoff(attempt int) time.Duration {
return internal.RetryBackoff(attempt, c.opt.MinRetryBackoff, c.opt.MaxRetryBackoff)
}
@ -411,7 +426,7 @@ func (c *baseClient) _generalProcessPipeline(
canRetry, err = p(ctx, cn, cmds)
return err
})
if lastErr == nil || !canRetry || !isRetryableError(lastErr, true) {
if lastErr == nil || !canRetry || !shouldRetry(lastErr, true) {
return lastErr
}
}
@ -437,6 +452,7 @@ func (c *baseClient) pipelineProcessCmds(
func pipelineReadCmds(rd *proto.Reader, cmds []Cmder) error {
for _, cmd := range cmds {
err := cmd.readReply(rd)
cmd.SetErr(err)
if err != nil && !isRedisError(err) {
return err
}
@ -469,14 +485,14 @@ func (c *baseClient) txPipelineProcessCmds(
return false, err
}
func wrapMultiExec(cmds []Cmder) []Cmder {
func wrapMultiExec(ctx context.Context, cmds []Cmder) []Cmder {
if len(cmds) == 0 {
panic("not reached")
}
cmdCopy := make([]Cmder, len(cmds)+2)
cmdCopy[0] = NewStatusCmd("multi")
cmdCopy[0] = NewStatusCmd(ctx, "multi")
copy(cmdCopy[1:], cmds)
cmdCopy[len(cmdCopy)-1] = NewSliceCmd("exec")
cmdCopy[len(cmdCopy)-1] = NewSliceCmd(ctx, "exec")
return cmdCopy
}
@ -565,26 +581,18 @@ func (c *Client) WithContext(ctx context.Context) *Client {
return clone
}
func (c *Client) Conn() *Conn {
return newConn(c.ctx, c.opt, pool.NewSingleConnPool(c.connPool))
func (c *Client) Conn(ctx context.Context) *Conn {
return newConn(ctx, c.opt, pool.NewStickyConnPool(c.connPool))
}
// Do creates a Cmd from the args and processes the cmd.
func (c *Client) Do(args ...interface{}) *Cmd {
return c.DoContext(c.ctx, args...)
}
func (c *Client) DoContext(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(args...)
_ = c.ProcessContext(ctx, cmd)
func (c *Client) Do(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
func (c *Client) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *Client) ProcessContext(ctx context.Context, cmd Cmder) error {
func (c *Client) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.baseClient.process)
}
@ -609,8 +617,8 @@ func (c *Client) PoolStats() *PoolStats {
return (*PoolStats)(stats)
}
func (c *Client) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Client) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
func (c *Client) Pipeline() Pipeliner {
@ -622,8 +630,8 @@ func (c *Client) Pipeline() Pipeliner {
return &pipe
}
func (c *Client) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Client) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
// TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.
@ -640,8 +648,8 @@ func (c *Client) pubSub() *PubSub {
pubsub := &PubSub{
opt: c.opt,
newConn: func(channels []string) (*pool.Conn, error) {
return c.newConn(context.TODO())
newConn: func(ctx context.Context, channels []string) (*pool.Conn, error) {
return c.newConn(ctx)
},
closeConn: c.connPool.CloseConn,
}
@ -675,20 +683,20 @@ func (c *Client) pubSub() *PubSub {
// }
//
// ch := sub.Channel()
func (c *Client) Subscribe(channels ...string) *PubSub {
func (c *Client) Subscribe(ctx context.Context, channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.Subscribe(channels...)
_ = pubsub.Subscribe(ctx, channels...)
}
return pubsub
}
// PSubscribe subscribes the client to the given patterns.
// Patterns can be omitted to create empty subscription.
func (c *Client) PSubscribe(channels ...string) *PubSub {
func (c *Client) PSubscribe(ctx context.Context, channels ...string) *PubSub {
pubsub := c.pubSub()
if len(channels) > 0 {
_ = pubsub.PSubscribe(channels...)
_ = pubsub.PSubscribe(ctx, channels...)
}
return pubsub
}
@ -699,9 +707,12 @@ type conn struct {
baseClient
cmdable
statefulCmdable
hooks // TODO: inherit hooks
}
// Conn is like Client, but its pool contains single connection.
// Conn represents a single Redis connection rather than a pool of connections.
// Prefer running commands from Client unless there is a specific need
// for a continuous single Redis connection.
type Conn struct {
*conn
ctx context.Context
@ -722,16 +733,20 @@ func newConn(ctx context.Context, opt *Options, connPool pool.Pooler) *Conn {
return &c
}
func (c *Conn) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
func (c *Conn) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.baseClient.process)
}
func (c *Conn) ProcessContext(ctx context.Context, cmd Cmder) error {
return c.baseClient.process(ctx, cmd)
func (c *Conn) processPipeline(ctx context.Context, cmds []Cmder) error {
return c.hooks.processPipeline(ctx, cmds, c.baseClient.processPipeline)
}
func (c *Conn) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Conn) processTxPipeline(ctx context.Context, cmds []Cmder) error {
return c.hooks.processTxPipeline(ctx, cmds, c.baseClient.processTxPipeline)
}
func (c *Conn) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
func (c *Conn) Pipeline() Pipeliner {
@ -743,8 +758,8 @@ func (c *Conn) Pipeline() Pipeliner {
return &pipe
}
func (c *Conn) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Conn) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
// TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC.

44
backend/vendor/github.com/go-redis/redis/v7/result.go → backend/vendor/github.com/go-redis/redis/v8/result.go generated vendored
View File

@ -2,7 +2,7 @@ package redis
import "time"
// NewCmdResult returns a Cmd initialised with val and err for testing
// NewCmdResult returns a Cmd initialised with val and err for testing.
func NewCmdResult(val interface{}, err error) *Cmd {
var cmd Cmd
cmd.val = val
@ -10,7 +10,7 @@ func NewCmdResult(val interface{}, err error) *Cmd {
return &cmd
}
// NewSliceResult returns a SliceCmd initialised with val and err for testing
// NewSliceResult returns a SliceCmd initialised with val and err for testing.
func NewSliceResult(val []interface{}, err error) *SliceCmd {
var cmd SliceCmd
cmd.val = val
@ -18,7 +18,7 @@ func NewSliceResult(val []interface{}, err error) *SliceCmd {
return &cmd
}
// NewStatusResult returns a StatusCmd initialised with val and err for testing
// NewStatusResult returns a StatusCmd initialised with val and err for testing.
func NewStatusResult(val string, err error) *StatusCmd {
var cmd StatusCmd
cmd.val = val
@ -26,7 +26,7 @@ func NewStatusResult(val string, err error) *StatusCmd {
return &cmd
}
// NewIntResult returns an IntCmd initialised with val and err for testing
// NewIntResult returns an IntCmd initialised with val and err for testing.
func NewIntResult(val int64, err error) *IntCmd {
var cmd IntCmd
cmd.val = val
@ -34,7 +34,7 @@ func NewIntResult(val int64, err error) *IntCmd {
return &cmd
}
// NewDurationResult returns a DurationCmd initialised with val and err for testing
// NewDurationResult returns a DurationCmd initialised with val and err for testing.
func NewDurationResult(val time.Duration, err error) *DurationCmd {
var cmd DurationCmd
cmd.val = val
@ -42,7 +42,7 @@ func NewDurationResult(val time.Duration, err error) *DurationCmd {
return &cmd
}
// NewBoolResult returns a BoolCmd initialised with val and err for testing
// NewBoolResult returns a BoolCmd initialised with val and err for testing.
func NewBoolResult(val bool, err error) *BoolCmd {
var cmd BoolCmd
cmd.val = val
@ -50,7 +50,7 @@ func NewBoolResult(val bool, err error) *BoolCmd {
return &cmd
}
// NewStringResult returns a StringCmd initialised with val and err for testing
// NewStringResult returns a StringCmd initialised with val and err for testing.
func NewStringResult(val string, err error) *StringCmd {
var cmd StringCmd
cmd.val = val
@ -58,7 +58,7 @@ func NewStringResult(val string, err error) *StringCmd {
return &cmd
}
// NewFloatResult returns a FloatCmd initialised with val and err for testing
// NewFloatResult returns a FloatCmd initialised with val and err for testing.
func NewFloatResult(val float64, err error) *FloatCmd {
var cmd FloatCmd
cmd.val = val
@ -66,7 +66,7 @@ func NewFloatResult(val float64, err error) *FloatCmd {
return &cmd
}
// NewStringSliceResult returns a StringSliceCmd initialised with val and err for testing
// NewStringSliceResult returns a StringSliceCmd initialised with val and err for testing.
func NewStringSliceResult(val []string, err error) *StringSliceCmd {
var cmd StringSliceCmd
cmd.val = val
@ -74,7 +74,7 @@ func NewStringSliceResult(val []string, err error) *StringSliceCmd {
return &cmd
}
// NewBoolSliceResult returns a BoolSliceCmd initialised with val and err for testing
// NewBoolSliceResult returns a BoolSliceCmd initialised with val and err for testing.
func NewBoolSliceResult(val []bool, err error) *BoolSliceCmd {
var cmd BoolSliceCmd
cmd.val = val
@ -82,7 +82,7 @@ func NewBoolSliceResult(val []bool, err error) *BoolSliceCmd {
return &cmd
}
// NewStringStringMapResult returns a StringStringMapCmd initialised with val and err for testing
// NewStringStringMapResult returns a StringStringMapCmd initialised with val and err for testing.
func NewStringStringMapResult(val map[string]string, err error) *StringStringMapCmd {
var cmd StringStringMapCmd
cmd.val = val
@ -90,7 +90,7 @@ func NewStringStringMapResult(val map[string]string, err error) *StringStringMap
return &cmd
}
// NewStringIntMapCmdResult returns a StringIntMapCmd initialised with val and err for testing
// NewStringIntMapCmdResult returns a StringIntMapCmd initialised with val and err for testing.
func NewStringIntMapCmdResult(val map[string]int64, err error) *StringIntMapCmd {
var cmd StringIntMapCmd
cmd.val = val
@ -98,7 +98,7 @@ func NewStringIntMapCmdResult(val map[string]int64, err error) *StringIntMapCmd
return &cmd
}
// NewTimeCmdResult returns a TimeCmd initialised with val and err for testing
// NewTimeCmdResult returns a TimeCmd initialised with val and err for testing.
func NewTimeCmdResult(val time.Time, err error) *TimeCmd {
var cmd TimeCmd
cmd.val = val
@ -106,7 +106,7 @@ func NewTimeCmdResult(val time.Time, err error) *TimeCmd {
return &cmd
}
// NewZSliceCmdResult returns a ZSliceCmd initialised with val and err for testing
// NewZSliceCmdResult returns a ZSliceCmd initialised with val and err for testing.
func NewZSliceCmdResult(val []Z, err error) *ZSliceCmd {
var cmd ZSliceCmd
cmd.val = val
@ -114,7 +114,7 @@ func NewZSliceCmdResult(val []Z, err error) *ZSliceCmd {
return &cmd
}
// NewZWithKeyCmdResult returns a NewZWithKeyCmd initialised with val and err for testing
// NewZWithKeyCmdResult returns a NewZWithKeyCmd initialised with val and err for testing.
func NewZWithKeyCmdResult(val *ZWithKey, err error) *ZWithKeyCmd {
var cmd ZWithKeyCmd
cmd.val = val
@ -122,7 +122,7 @@ func NewZWithKeyCmdResult(val *ZWithKey, err error) *ZWithKeyCmd {
return &cmd
}
// NewScanCmdResult returns a ScanCmd initialised with val and err for testing
// NewScanCmdResult returns a ScanCmd initialised with val and err for testing.
func NewScanCmdResult(keys []string, cursor uint64, err error) *ScanCmd {
var cmd ScanCmd
cmd.page = keys
@ -131,7 +131,7 @@ func NewScanCmdResult(keys []string, cursor uint64, err error) *ScanCmd {
return &cmd
}
// NewClusterSlotsCmdResult returns a ClusterSlotsCmd initialised with val and err for testing
// NewClusterSlotsCmdResult returns a ClusterSlotsCmd initialised with val and err for testing.
func NewClusterSlotsCmdResult(val []ClusterSlot, err error) *ClusterSlotsCmd {
var cmd ClusterSlotsCmd
cmd.val = val
@ -139,7 +139,7 @@ func NewClusterSlotsCmdResult(val []ClusterSlot, err error) *ClusterSlotsCmd {
return &cmd
}
// NewGeoLocationCmdResult returns a GeoLocationCmd initialised with val and err for testing
// NewGeoLocationCmdResult returns a GeoLocationCmd initialised with val and err for testing.
func NewGeoLocationCmdResult(val []GeoLocation, err error) *GeoLocationCmd {
var cmd GeoLocationCmd
cmd.locations = val
@ -147,7 +147,7 @@ func NewGeoLocationCmdResult(val []GeoLocation, err error) *GeoLocationCmd {
return &cmd
}
// NewGeoPosCmdResult returns a GeoPosCmd initialised with val and err for testing
// NewGeoPosCmdResult returns a GeoPosCmd initialised with val and err for testing.
func NewGeoPosCmdResult(val []*GeoPos, err error) *GeoPosCmd {
var cmd GeoPosCmd
cmd.val = val
@ -155,7 +155,7 @@ func NewGeoPosCmdResult(val []*GeoPos, err error) *GeoPosCmd {
return &cmd
}
// NewCommandsInfoCmdResult returns a CommandsInfoCmd initialised with val and err for testing
// NewCommandsInfoCmdResult returns a CommandsInfoCmd initialised with val and err for testing.
func NewCommandsInfoCmdResult(val map[string]*CommandInfo, err error) *CommandsInfoCmd {
var cmd CommandsInfoCmd
cmd.val = val
@ -163,7 +163,7 @@ func NewCommandsInfoCmdResult(val map[string]*CommandInfo, err error) *CommandsI
return &cmd
}
// NewXMessageSliceCmdResult returns a XMessageSliceCmd initialised with val and err for testing
// NewXMessageSliceCmdResult returns a XMessageSliceCmd initialised with val and err for testing.
func NewXMessageSliceCmdResult(val []XMessage, err error) *XMessageSliceCmd {
var cmd XMessageSliceCmd
cmd.val = val
@ -171,7 +171,7 @@ func NewXMessageSliceCmdResult(val []XMessage, err error) *XMessageSliceCmd {
return &cmd
}
// NewXStreamSliceCmdResult returns a XStreamSliceCmd initialised with val and err for testing
// NewXStreamSliceCmdResult returns a XStreamSliceCmd initialised with val and err for testing.
func NewXStreamSliceCmdResult(val []XStream, err error) *XStreamSliceCmd {
var cmd XStreamSliceCmd
cmd.val = val

354
backend/vendor/github.com/go-redis/redis/v7/ring.go → backend/vendor/github.com/go-redis/redis/v8/ring.go generated vendored
View File

@ -2,72 +2,74 @@ package redis
import (
"context"
"crypto/tls"
"errors"
"fmt"
"math/rand"
"net"
"strconv"
"sync"
"sync/atomic"
"time"
"github.com/go-redis/redis/v7/internal"
"github.com/go-redis/redis/v7/internal/consistenthash"
"github.com/go-redis/redis/v7/internal/hashtag"
"github.com/go-redis/redis/v7/internal/pool"
"github.com/cespare/xxhash/v2"
rendezvous "github.com/dgryski/go-rendezvous" //nolint
"github.com/go-redis/redis/v8/internal"
"github.com/go-redis/redis/v8/internal/hashtag"
"github.com/go-redis/redis/v8/internal/pool"
"github.com/go-redis/redis/v8/internal/rand"
)
// Hash is type of hash function used in consistent hash.
type Hash consistenthash.Hash
var errRingShardsDown = errors.New("redis: all ring shards are down")
//------------------------------------------------------------------------------
type ConsistentHash interface {
Get(string) string
}
type rendezvousWrapper struct {
*rendezvous.Rendezvous
}
func (w rendezvousWrapper) Get(key string) string {
return w.Lookup(key)
}
func newRendezvous(shards []string) ConsistentHash {
return rendezvousWrapper{rendezvous.New(shards, xxhash.Sum64String)}
}
//------------------------------------------------------------------------------
// RingOptions are used to configure a ring client and should be
// passed to NewRing.
type RingOptions struct {
// Map of name => host:port addresses of ring shards.
Addrs map[string]string
// Map of name => password of ring shards, to allow different shards to have
// different passwords. It will be ignored if the Password field is set.
Passwords map[string]string
// NewClient creates a shard client with provided name and options.
NewClient func(name string, opt *Options) *Client
// Frequency of PING commands sent to check shards availability.
// Shard is considered down after 3 subsequent failed checks.
HeartbeatFrequency time.Duration
// Hash function used in consistent hash.
// Default is crc32.ChecksumIEEE.
Hash Hash
// Number of replicas in consistent hash.
// Default is 100 replicas.
// NewConsistentHash returns a consistent hash that is used
// to distribute keys across the shards.
//
// Higher number of replicas will provide less deviation, that is keys will be
// distributed to nodes more evenly.
//
// Following is deviation for common nreplicas:
// --------------------------------------------------------
// | nreplicas | standard error | 99% confidence interval |
// | 10 | 0.3152 | (0.37, 1.98) |
// | 100 | 0.0997 | (0.76, 1.28) |
// | 1000 | 0.0316 | (0.92, 1.09) |
// --------------------------------------------------------
//
// See https://arxiv.org/abs/1406.2294 for reference
HashReplicas int
// NewClient creates a shard client with provided name and options.
NewClient func(name string, opt *Options) *Client
// Optional hook that is called when a new shard is created.
OnNewShard func(*Client)
// See https://medium.com/@dgryski/consistent-hashing-algorithmic-tradeoffs-ef6b8e2fcae8
// for consistent hashing algorithmic tradeoffs.
NewConsistentHash func(shards []string) ConsistentHash
// Following options are copied from Options struct.
OnConnect func(*Conn) error
Dialer func(ctx context.Context, network, addr string) (net.Conn, error)
OnConnect func(ctx context.Context, cn *Conn) error
DB int
Username string
Password string
DB int
MaxRetries int
MinRetryBackoff time.Duration
@ -77,23 +79,40 @@ type RingOptions struct {
ReadTimeout time.Duration
WriteTimeout time.Duration
// PoolFIFO uses FIFO mode for each node connection pool GET/PUT (default LIFO).
PoolFIFO bool
PoolSize int
MinIdleConns int
MaxConnAge time.Duration
PoolTimeout time.Duration
IdleTimeout time.Duration
IdleCheckFrequency time.Duration
TLSConfig *tls.Config
Limiter Limiter
}
func (opt *RingOptions) init() {
if opt.NewClient == nil {
opt.NewClient = func(name string, opt *Options) *Client {
return NewClient(opt)
}
}
if opt.HeartbeatFrequency == 0 {
opt.HeartbeatFrequency = 500 * time.Millisecond
}
if opt.HashReplicas == 0 {
opt.HashReplicas = 100
if opt.NewConsistentHash == nil {
opt.NewConsistentHash = newRendezvous
}
if opt.MaxRetries == -1 {
opt.MaxRetries = 0
} else if opt.MaxRetries == 0 {
opt.MaxRetries = 3
}
switch opt.MinRetryBackoff {
case -1:
opt.MinRetryBackoff = 0
@ -108,31 +127,32 @@ func (opt *RingOptions) init() {
}
}
func (opt *RingOptions) clientOptions(shard string) *Options {
func (opt *RingOptions) clientOptions() *Options {
return &Options{
Dialer: opt.Dialer,
OnConnect: opt.OnConnect,
Username: opt.Username,
Password: opt.Password,
DB: opt.DB,
Password: opt.getPassword(shard),
MaxRetries: -1,
DialTimeout: opt.DialTimeout,
ReadTimeout: opt.ReadTimeout,
WriteTimeout: opt.WriteTimeout,
PoolFIFO: opt.PoolFIFO,
PoolSize: opt.PoolSize,
MinIdleConns: opt.MinIdleConns,
MaxConnAge: opt.MaxConnAge,
PoolTimeout: opt.PoolTimeout,
IdleTimeout: opt.IdleTimeout,
IdleCheckFrequency: opt.IdleCheckFrequency,
}
}
func (opt *RingOptions) getPassword(shard string) string {
if opt.Password == "" {
return opt.Passwords[shard]
TLSConfig: opt.TLSConfig,
Limiter: opt.Limiter,
}
return opt.Password
}
//------------------------------------------------------------------------------
@ -142,6 +162,15 @@ type ringShard struct {
down int32
}
func newRingShard(opt *RingOptions, name, addr string) *ringShard {
clopt := opt.clientOptions()
clopt.Addr = addr
return &ringShard{
Client: opt.NewClient(name, clopt),
}
}
func (shard *ringShard) String() string {
var state string
if shard.IsUp() {
@ -182,41 +211,59 @@ func (shard *ringShard) Vote(up bool) bool {
type ringShards struct {
opt *RingOptions
mu sync.RWMutex
hash *consistenthash.Map
shards map[string]*ringShard // read only
list []*ringShard // read only
len int
closed bool
mu sync.RWMutex
hash ConsistentHash
shards map[string]*ringShard // read only
list []*ringShard // read only
numShard int
closed bool
}
func newRingShards(opt *RingOptions) *ringShards {
return &ringShards{
shards := make(map[string]*ringShard, len(opt.Addrs))
list := make([]*ringShard, 0, len(shards))
for name, addr := range opt.Addrs {
shard := newRingShard(opt, name, addr)
shards[name] = shard
list = append(list, shard)
}
c := &ringShards{
opt: opt,
hash: newConsistentHash(opt),
shards: make(map[string]*ringShard),
shards: shards,
list: list,
}
}
c.rebalance()
func (c *ringShards) Add(name string, cl *Client) {
shard := &ringShard{Client: cl}
c.hash.Add(name)
c.shards[name] = shard
c.list = append(c.list, shard)
return c
}
func (c *ringShards) List() []*ringShard {
var list []*ringShard
c.mu.RLock()
list := c.list
if !c.closed {
list = c.list
}
c.mu.RUnlock()
return list
}
func (c *ringShards) Hash(key string) string {
key = hashtag.Key(key)
var hash string
c.mu.RLock()
hash := c.hash.Get(key)
if c.numShard > 0 {
hash = c.hash.Get(key)
}
c.mu.RUnlock()
return hash
}
@ -230,6 +277,11 @@ func (c *ringShards) GetByKey(key string) (*ringShard, error) {
return nil, pool.ErrClosed
}
if c.numShard == 0 {
c.mu.RUnlock()
return nil, errRingShardsDown
}
hash := c.hash.Get(key)
if hash == "" {
c.mu.RUnlock()
@ -242,13 +294,13 @@ func (c *ringShards) GetByKey(key string) (*ringShard, error) {
return shard, nil
}
func (c *ringShards) GetByHash(name string) (*ringShard, error) {
if name == "" {
func (c *ringShards) GetByName(shardName string) (*ringShard, error) {
if shardName == "" {
return c.Random()
}
c.mu.RLock()
shard := c.shards[name]
shard := c.shards[shardName]
c.mu.RUnlock()
return shard, nil
}
@ -261,23 +313,16 @@ func (c *ringShards) Random() (*ringShard, error) {
func (c *ringShards) Heartbeat(frequency time.Duration) {
ticker := time.NewTicker(frequency)
defer ticker.Stop()
ctx := context.Background()
for range ticker.C {
var rebalance bool
c.mu.RLock()
if c.closed {
c.mu.RUnlock()
break
}
shards := c.list
c.mu.RUnlock()
for _, shard := range shards {
err := shard.Client.Ping().Err()
if shard.Vote(err == nil || err == pool.ErrPoolTimeout) {
internal.Logger.Printf("ring shard state changed: %s", shard)
for _, shard := range c.List() {
err := shard.Client.Ping(ctx).Err()
isUp := err == nil || err == pool.ErrPoolTimeout
if shard.Vote(isUp) {
internal.Logger.Printf(context.Background(), "ring shard state changed: %s", shard)
rebalance = true
}
}
@ -294,24 +339,25 @@ func (c *ringShards) rebalance() {
shards := c.shards
c.mu.RUnlock()
hash := newConsistentHash(c.opt)
var shardsNum int
liveShards := make([]string, 0, len(shards))
for name, shard := range shards {
if shard.IsUp() {
hash.Add(name)
shardsNum++
liveShards = append(liveShards, name)
}
}
hash := c.opt.NewConsistentHash(liveShards)
c.mu.Lock()
c.hash = hash
c.len = shardsNum
c.numShard = len(liveShards)
c.mu.Unlock()
}
func (c *ringShards) Len() int {
c.mu.RLock()
l := c.len
l := c.numShard
c.mu.RUnlock()
return l
}
@ -377,34 +423,15 @@ func NewRing(opt *RingOptions) *Ring {
},
ctx: context.Background(),
}
ring.cmdsInfoCache = newCmdsInfoCache(ring.cmdsInfo)
ring.cmdable = ring.Process
for name, addr := range opt.Addrs {
shard := newRingShard(opt, name, addr)
ring.shards.Add(name, shard)
}
go ring.shards.Heartbeat(opt.HeartbeatFrequency)
return &ring
}
func newRingShard(opt *RingOptions, name, addr string) *Client {
clopt := opt.clientOptions(name)
clopt.Addr = addr
var shard *Client
if opt.NewClient != nil {
shard = opt.NewClient(name, clopt)
} else {
shard = NewClient(clopt)
}
if opt.OnNewShard != nil {
opt.OnNewShard(shard)
}
return shard
}
func (c *Ring) Context() context.Context {
return c.ctx
}
@ -421,21 +448,13 @@ func (c *Ring) WithContext(ctx context.Context) *Ring {
}
// Do creates a Cmd from the args and processes the cmd.
func (c *Ring) Do(args ...interface{}) *Cmd {
return c.DoContext(c.ctx, args...)
}
func (c *Ring) DoContext(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(args...)
_ = c.ProcessContext(ctx, cmd)
func (c *Ring) Do(ctx context.Context, args ...interface{}) *Cmd {
cmd := NewCmd(ctx, args...)
_ = c.Process(ctx, cmd)
return cmd
}
func (c *Ring) Process(cmd Cmder) error {
return c.ProcessContext(c.ctx, cmd)
}
func (c *Ring) ProcessContext(ctx context.Context, cmd Cmder) error {
func (c *Ring) Process(ctx context.Context, cmd Cmder) error {
return c.hooks.process(ctx, cmd, c.process)
}
@ -469,36 +488,39 @@ func (c *Ring) Len() int {
}
// Subscribe subscribes the client to the specified channels.
func (c *Ring) Subscribe(channels ...string) *PubSub {
func (c *Ring) Subscribe(ctx context.Context, channels ...string) *PubSub {
if len(channels) == 0 {
panic("at least one channel is required")
}
shard, err := c.shards.GetByKey(channels[0])
if err != nil {
//TODO: return PubSub with sticky error
// TODO: return PubSub with sticky error
panic(err)
}
return shard.Client.Subscribe(channels...)
return shard.Client.Subscribe(ctx, channels...)
}
// PSubscribe subscribes the client to the given patterns.
func (c *Ring) PSubscribe(channels ...string) *PubSub {
func (c *Ring) PSubscribe(ctx context.Context, channels ...string) *PubSub {
if len(channels) == 0 {
panic("at least one channel is required")
}
shard, err := c.shards.GetByKey(channels[0])
if err != nil {
//TODO: return PubSub with sticky error
// TODO: return PubSub with sticky error
panic(err)
}
return shard.Client.PSubscribe(channels...)
return shard.Client.PSubscribe(ctx, channels...)
}
// ForEachShard concurrently calls the fn on each live shard in the ring.
// It returns the first error if any.
func (c *Ring) ForEachShard(fn func(client *Client) error) error {
func (c *Ring) ForEachShard(
ctx context.Context,
fn func(ctx context.Context, client *Client) error,
) error {
shards := c.shards.List()
var wg sync.WaitGroup
errCh := make(chan error, 1)
@ -510,7 +532,7 @@ func (c *Ring) ForEachShard(fn func(client *Client) error) error {
wg.Add(1)
go func(shard *ringShard) {
defer wg.Done()
err := fn(shard.Client)
err := fn(ctx, shard.Client)
if err != nil {
select {
case errCh <- err:
@ -529,11 +551,11 @@ func (c *Ring) ForEachShard(fn func(client *Client) error) error {
}
}
func (c *Ring) cmdsInfo() (map[string]*CommandInfo, error) {
func (c *Ring) cmdsInfo(ctx context.Context) (map[string]*CommandInfo, error) {
shards := c.shards.List()
firstErr := errRingShardsDown
var firstErr error
for _, shard := range shards {
cmdsInfo, err := shard.Client.Command().Result()
cmdsInfo, err := shard.Client.Command(ctx).Result()
if err == nil {
return cmdsInfo, nil
}
@ -541,23 +563,26 @@ func (c *Ring) cmdsInfo() (map[string]*CommandInfo, error) {
firstErr = err
}
}
if firstErr == nil {
return nil, errRingShardsDown
}
return nil, firstErr
}
func (c *Ring) cmdInfo(name string) *CommandInfo {
cmdsInfo, err := c.cmdsInfoCache.Get()
func (c *Ring) cmdInfo(ctx context.Context, name string) *CommandInfo {
cmdsInfo, err := c.cmdsInfoCache.Get(ctx)
if err != nil {
return nil
}
info := cmdsInfo[name]
if info == nil {
internal.Logger.Printf("info for cmd=%s not found", name)
internal.Logger.Printf(ctx, "info for cmd=%s not found", name)
}
return info
}
func (c *Ring) cmdShard(cmd Cmder) (*ringShard, error) {
cmdInfo := c.cmdInfo(cmd.Name())
func (c *Ring) cmdShard(ctx context.Context, cmd Cmder) (*ringShard, error) {
cmdInfo := c.cmdInfo(ctx, cmd.Name())
pos := cmdFirstKeyPos(cmd, cmdInfo)
if pos == 0 {
return c.shards.Random()
@ -567,15 +592,6 @@ func (c *Ring) cmdShard(cmd Cmder) (*ringShard, error) {
}
func (c *Ring) process(ctx context.Context, cmd Cmder) error {
err := c._process(ctx, cmd)
if err != nil {
cmd.SetErr(err)
return err
}
return nil
}
func (c *Ring) _process(ctx context.Context, cmd Cmder) error {
var lastErr error
for attempt := 0; attempt <= c.opt.MaxRetries; attempt++ {
if attempt > 0 {
@ -584,21 +600,21 @@ func (c *Ring) _process(ctx context.Context, cmd Cmder) error {
}
}
shard, err := c.cmdShard(cmd)
shard, err := c.cmdShard(ctx, cmd)
if err != nil {
return err
}
lastErr = shard.Client.ProcessContext(ctx, cmd)
if lastErr == nil || !isRetryableError(lastErr, cmd.readTimeout() == nil) {
lastErr = shard.Client.Process(ctx, cmd)
if lastErr == nil || !shouldRetry(lastErr, cmd.readTimeout() == nil) {
return lastErr
}
}
return lastErr
}
func (c *Ring) Pipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(fn)
func (c *Ring) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.Pipeline().Pipelined(ctx, fn)
}
func (c *Ring) Pipeline() Pipeliner {
@ -616,8 +632,8 @@ func (c *Ring) processPipeline(ctx context.Context, cmds []Cmder) error {
})
}
func (c *Ring) TxPipelined(fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(fn)
func (c *Ring) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) {
return c.TxPipeline().Pipelined(ctx, fn)
}
func (c *Ring) TxPipeline() Pipeliner {
@ -640,10 +656,10 @@ func (c *Ring) generalProcessPipeline(
) error {
cmdsMap := make(map[string][]Cmder)
for _, cmd := range cmds {
cmdInfo := c.cmdInfo(cmd.Name())
cmdInfo := c.cmdInfo(ctx, cmd.Name())
hash := cmd.stringArg(cmdFirstKeyPos(cmd, cmdInfo))
if hash != "" {
hash = c.shards.Hash(hashtag.Key(hash))
hash = c.shards.Hash(hash)
}
cmdsMap[hash] = append(cmdsMap[hash], cmd)
}
@ -665,30 +681,20 @@ func (c *Ring) generalProcessPipeline(
func (c *Ring) processShardPipeline(
ctx context.Context, hash string, cmds []Cmder, tx bool,
) error {
//TODO: retry?
shard, err := c.shards.GetByHash(hash)
// TODO: retry?
shard, err := c.shards.GetByName(hash)
if err != nil {
setCmdsErr(cmds, err)
return err
}
if tx {
err = shard.Client.processTxPipeline(ctx, cmds)
} else {
err = shard.Client.processPipeline(ctx, cmds)
return shard.Client.processTxPipeline(ctx, cmds)
}
return err
return shard.Client.processPipeline(ctx, cmds)
}
// Close closes the ring client, releasing any open resources.
//
// It is rare to Close a Ring, as the Ring is meant to be long-lived
// and shared between many goroutines.
func (c *Ring) Close() error {
return c.shards.Close()
}
func (c *Ring) Watch(fn func(*Tx) error, keys ...string) error {
func (c *Ring) Watch(ctx context.Context, fn func(*Tx) error, keys ...string) error {
if len(keys) == 0 {
return fmt.Errorf("redis: Watch requires at least one key")
}
@ -718,9 +724,13 @@ func (c *Ring) Watch(fn func(*Tx) error, keys ...string) error {
}
}
return shards[0].Client.Watch(fn, keys...)
return shards[0].Client.Watch(ctx, fn, keys...)
}
func newConsistentHash(opt *RingOptions) *consistenthash.Map {
return consistenthash.New(opt.HashReplicas, consistenthash.Hash(opt.Hash))
// Close closes the ring client, releasing any open resources.
//
// It is rare to Close a Ring, as the Ring is meant to be long-lived
// and shared between many goroutines.
func (c *Ring) Close() error {
return c.shards.Close()
}

65
backend/vendor/github.com/go-redis/redis/v8/script.go generated vendored Normal file
View File

@ -0,0 +1,65 @@
package redis
import (
"context"
"crypto/sha1"
"encoding/hex"
"io"
"strings"
)
type Scripter interface {
Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd
EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd
ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd
ScriptLoad(ctx context.Context, script string) *StringCmd
}
var (
_ Scripter = (*Client)(nil)
_ Scripter = (*Ring)(nil)
_ Scripter = (*ClusterClient)(nil)
)
type Script struct {
src, hash string
}
func NewScript(src string) *Script {
h := sha1.New()
_, _ = io.WriteString(h, src)
return &Script{
src: src,
hash: hex.EncodeToString(h.Sum(nil)),
}
}
func (s *Script) Hash() string {
return s.hash
}
func (s *Script) Load(ctx context.Context, c Scripter) *StringCmd {
return c.ScriptLoad(ctx, s.src)
}
func (s *Script) Exists(ctx context.Context, c Scripter) *BoolSliceCmd {
return c.ScriptExists(ctx, s.hash)
}
func (s *Script) Eval(ctx context.Context, c Scripter, keys []string, args ...interface{}) *Cmd {
return c.Eval(ctx, s.src, keys, args...)
}
func (s *Script) EvalSha(ctx context.Context, c Scripter, keys []string, args ...interface{}) *Cmd {
return c.EvalSha(ctx, s.hash, keys, args...)
}
// Run optimistically uses EVALSHA to run the script. If script does not exist
// it is retried using EVAL.
func (s *Script) Run(ctx context.Context, c Scripter, keys []string, args ...interface{}) *Cmd {
r := s.EvalSha(ctx, c, keys, args...)
if err := r.Err(); err != nil && strings.HasPrefix(err.Error(), "NOSCRIPT ") {
return s.Eval(ctx, c, keys, args...)
}
return r
}

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