http/bm: add prefix matcher for the path prefix (#2020)

* add prefix matcher for the path prefix

* fix prefix path

docs/blademaster-mod.md

@@ -74,7 +74,7 @@ func (c *Context) Protobuf(data proto.Message, err error)
 
 ![handler](img/bm-handlers.png)
 
-初次接触`blademaster`的用户可能会对其`Handler`的流程处理产生不小的疑惑，实际上`bm`对`Handler`对处理非常简单：
+初次接触`blademaster`的用户可能会对其`Handler`的流程处理产生不小的疑惑，实际上`bm`对`Handler`的处理非常简单：
 
 * 将`Router`模块中预先注册的`middleware`与其他`Handler`合并，放入`Context`的`handlers`字段，并将`index`字段置`0`
 * 然后通过`Next()`方法一个个执行下去，部分`middleware`可能想要在过程中中断整个流程，此时可以使用`Abort()`方法提前结束处理

go.mod

@@ -7,64 +7,51 @@ require (
 	github.com/HdrHistogram/hdrhistogram-go v1.0.1 // indirect
 	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
 	github.com/aristanetworks/goarista v0.0.0-20190912214011-b54698eaaca6 // indirect
-	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
 	github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d // indirect
 	github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 // indirect
 	github.com/cznic/strutil v0.0.0-20181122101858-275e90344537 // indirect
 	github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2
-	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/fatih/color v1.10.0
 	github.com/fsnotify/fsnotify v1.4.7
 	github.com/go-ole/go-ole v1.2.4 // indirect
-	github.com/go-playground/locales v0.12.1 // indirect
-	github.com/go-playground/universal-translator v0.16.0 // indirect
+	github.com/go-playground/validator/v10 v10.4.1
 	github.com/go-sql-driver/mysql v1.4.1
 	github.com/go-zookeeper/zk v1.0.1
-	github.com/gobuffalo/packr/v2 v2.7.1
-	github.com/gogo/protobuf v1.3.1
-	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
+	github.com/gobuffalo/packr/v2 v2.8.1
+	github.com/gogo/protobuf v1.3.2
 	github.com/golang/mock v1.3.1 // indirect
-	github.com/golang/protobuf v1.3.5
-	github.com/google/uuid v1.1.1 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway v1.14.3 // indirect
-	github.com/leodido/go-urn v1.1.0 // indirect
+	github.com/golang/protobuf v1.5.2
+	github.com/karrick/godirwalk v1.16.1 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/montanaflynn/stats v0.5.0
 	github.com/opentracing/opentracing-go v1.1.0
 	github.com/openzipkin/zipkin-go v0.2.1
 	github.com/otokaze/mock v0.0.0-20190125081256-8282b7a7c7c3
 	github.com/philchia/agollo/v4 v4.1.1
-	github.com/pkg/errors v0.8.1
-	github.com/prometheus/client_golang v1.5.1
-	github.com/prometheus/procfs v0.0.11 // indirect
+	github.com/pkg/errors v0.9.1
+	github.com/prometheus/client_golang v1.11.0
 	github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 // indirect
-	github.com/rogpeppe/go-internal v1.5.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/samuel/go-zookeeper v0.0.0-20180130194729-c4fab1ac1bec // indirect
 	github.com/shirou/gopsutil v2.19.11+incompatible
 	github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726
-	github.com/sirupsen/logrus v1.5.0
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/testify v1.6.1
-	github.com/tmc/grpc-websocket-proxy v0.0.0-20200122045848-3419fae592fc // indirect
+	github.com/sirupsen/logrus v1.8.1
+	github.com/stretchr/testify v1.7.0
 	github.com/tsuna/gohbase v0.0.0-20190502052937-24ffed0537aa
 	github.com/uber/jaeger-client-go v2.25.0+incompatible
 	github.com/uber/jaeger-lib v2.4.0+incompatible // indirect
 	github.com/urfave/cli/v2 v2.3.0
-	go.etcd.io/etcd v0.0.0-20200402134248-51bdeb39e698
-	go.uber.org/atomic v1.6.0
-	golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59 // indirect
-	golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e
-	golang.org/x/sys v0.0.0-20201202213521-69691e467435 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.0
+	go.etcd.io/etcd/client/v3 v3.5.0
+	go.uber.org/atomic v1.7.0
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2 // indirect
+	golang.org/x/net v0.0.0-20210614182718-04defd469f4e
+	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
+	golang.org/x/term v0.0.0-20210406210042-72f3dc4e9b72 // indirect
 	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
-	golang.org/x/tools v0.0.0-20191105231337-689d0f08e67a
+	golang.org/x/tools v0.1.4
 	google.golang.org/appengine v1.6.1 // indirect
-	google.golang.org/genproto v0.0.0-20200402124713-8ff61da6d932
-	google.golang.org/grpc v1.29.1
-	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
-	gopkg.in/go-playground/validator.v9 v9.29.1
+	google.golang.org/genproto v0.0.0-20210701191553-46259e63a0a9
+	google.golang.org/grpc v1.39.0
 	gopkg.in/yaml.v2 v2.4.0
-	sigs.k8s.io/yaml v1.2.0 // indirect
 )

go.sum

@@ -1,9 +1,11 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/DataDog/zstd v1.3.6-0.20190409195224-796139022798/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
 github.com/HdrHistogram/hdrhistogram-go v1.0.1 h1:GX8GAYDuhlFQnI2fRDHQhTlkHMz8bEn0jTI6LJU0mpw=
 github.com/HdrHistogram/hdrhistogram-go v1.0.1/go.mod h1:BWJ+nMSHY3L41Zj7CA3uXnloDp7xxV0YvstAE7nKTaM=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/sarama v1.23.1/go.mod h1:XLH1GYJnLVE0XCr6KdJGVJRTwY30moWNJ4sERjXX6fs=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
@@ -13,7 +15,8 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/antihax/optional v0.0.0-20180407024304-ca021399b1a6/go.mod h1:V8iCPQYkqmusNa815XgQio277wI47sdRh1dUOLdyC6Q=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/aristanetworks/fsnotify v1.4.2/go.mod h1:D/rtu7LpjYM8tRJphJ0hUBYpjai8SfX+aSNsWDTq/Ks=
 github.com/aristanetworks/glog v0.0.0-20180419172825-c15b03b3054f/go.mod h1:KASm+qXFKs/xjSoWn30NrWBBvdTTQq+UjkhjEJHfSFA=
 github.com/aristanetworks/goarista v0.0.0-20190912214011-b54698eaaca6 h1:6bZNnQcA2fkzH9AhZXbp2nDqbWa4bBqFeUb70Zq1HBM=
@@ -24,29 +27,28 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 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 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y=
-github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
+github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
-github.com/coreos/go-semver v0.2.0 h1:3Jm3tLmsgAYcjC+4Up7hJrFBPr+n7rAqYeSw/SZazuY=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd/v22 v22.0.0 h1:XJIw/+VlJ+87J+doOxznsAWIdmWuViOVhkQamW5YV28=
-github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+1atmu1JpKERPPk=
-github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk=
-github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
-github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d h1:SwD98825d6bdB+pEuTxWOXiSjBrHdOl/UVp75eI7JT8=
 github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d/go.mod h1:URriBxXwVq5ijiJ12C7iIZqlA69nTlI+LgI6/pwftG8=
@@ -57,13 +59,10 @@ github.com/cznic/strutil v0.0.0-20181122101858-275e90344537/go.mod h1:AHHPPPXTw0
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 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/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
-github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4 h1:qk/FSDDxo05wdJH28W+p5yivv7LuLYLRXPPD8KQCtZs=
-github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
+github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
@@ -72,9 +71,10 @@ github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4s
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20190912185636-87d9f09c5d89 h1:WiVZGyzQN7gPNLRkkpsNX3jC0Jx5j9GxadCZW/8eXw0=
 golang.org/x/tools v0.0.0-20190912185636-87d9f09c5d89/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191004055002-72853e10c5a3 h1:2AmBLzhAfXj+2HCW09VCkJtHIYgHTIPcTeYqgP7Bwt0=
-golang.org/x/tools v0.0.0-20191004055002-72853e10c5a3/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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-golang.org/x/tools v0.0.0-20191105231337-689d0f08e67a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200308013534-11ec41452d41/go.mod h1:o4KQGtdN14AW+yjsvvwRTJJuXz8XRtIHtEnmAXLyFUw=
+golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
+golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.4 h1:cVngSRcfgyZCzys3KYOpCFa+4dqX/Oub9tAq00ttGVs=
+golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -473,37 +473,45 @@ google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20190927181202-20e1ac93f88c/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
-google.golang.org/genproto v0.0.0-20200402124713-8ff61da6d932 h1:aw1IXx+GKsPxp8MaZuDaKwNdOno9liI4TElk87LJFAo=
-google.golang.org/genproto v0.0.0-20200402124713-8ff61da6d932/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
+google.golang.org/genproto v0.0.0-20210701191553-46259e63a0a9 h1:HBPuvo39L0DgfVn9eHR3ki/RjZoUFWa+em77e7KFDfs=
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 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
+google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.23.1 h1:q4XQuHFC6I28BKZpo6IYyb3mNO+l7lSOxRuYTCiDfXk=
 google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.24.0 h1:vb/1TCsVn3DcJlQ0Gs1yB1pKI6Do2/QNwxdKqmc/b0s=
-google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.29.1 h1:EC2SB8S04d2r73uptxphDSUG+kTKVgjRPF+N3xpxRB4=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
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+google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
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+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/bsm/ratelimit.v1 v1.0.0-20160220154919-db14e161995a/go.mod h1:KF9sEfUPAXdG8Oev9e99iLGnl2uJMjc5B+4y3O7x610=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 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/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
-gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
-gopkg.in/go-playground/validator.v9 v9.29.1 h1:SvGtYmN60a5CVKTOzMSyfzWDeZRxRuGvRQyEAKbw1xc=
-gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/jcmturner/aescts.v1 v1.0.1/go.mod h1:nsR8qBOg+OucoIW+WMhB3GspUQXq9XorLnQb9XtvcOo=
 gopkg.in/jcmturner/dnsutils.v1 v1.0.1/go.mod h1:m3v+5svpVOhtFAP/wSz+yzh4Mc0Fg7eRhxkJMWSIz9Q=
 gopkg.in/jcmturner/goidentity.v3 v3.0.0/go.mod h1:oG2kH0IvSYNIu80dVAyu/yoefjq1mNfM5bm88whjWx4=
@@ -514,22 +522,17 @@ gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 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 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+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 h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
-sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
-sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

pkg/conf/dsn/dsn.go

@@ -5,7 +5,7 @@ import (
 	"reflect"
 	"strings"
 
-	validator "gopkg.in/go-playground/validator.v9"
+	"github.com/go-playground/validator/v10"
 )
 
 var _validator *validator.Validate

pkg/naming/etcd/etcd.go

@@ -12,8 +12,8 @@ import (
 	"sync/atomic"
 	"time"
 
-	"go.etcd.io/etcd/clientv3"
-	"go.etcd.io/etcd/mvcc/mvccpb"
+	"go.etcd.io/etcd/api/v3/mvccpb"
+	"go.etcd.io/etcd/client/v3"
 	"google.golang.org/grpc"
 
 	"github.com/go-kratos/kratos/pkg/log"

pkg/net/http/blademaster/binding/binding.go

@@ -4,12 +4,13 @@ import (
 	"net/http"
 	"strings"
 
-	"gopkg.in/go-playground/validator.v9"
+	"github.com/go-playground/validator/v10"
 )
 
 // MIME
 const (
 	MIMEJSON              = "application/json"
+	MIMEJSON2             = "text/json"
 	MIMEHTML              = "text/html"
 	MIMEXML               = "application/xml"
 	MIMEXML2              = "text/xml"
@@ -63,7 +64,7 @@ func Default(method, contentType string) Binding {
 
 	contentType = stripContentTypeParam(contentType)
 	switch contentType {
-	case MIMEJSON:
+	case MIMEJSON, MIMEJSON2:
 		return JSON
 	case MIMEXML, MIMEXML2:
 		return XML

pkg/net/http/blademaster/binding/default_validator.go

@@ -4,7 +4,7 @@ import (
 	"reflect"
 	"sync"
 
-	"gopkg.in/go-playground/validator.v9"
+	"github.com/go-playground/validator/v10"
 )
 
 type defaultValidator struct {

pkg/net/http/blademaster/routergroup.go

@@ -2,6 +2,7 @@ package blademaster
 
 import (
 	"regexp"
+	"strings"
 )
 
 // IRouter http router framework interface.
@@ -49,6 +50,29 @@ func (group *RouterGroup) UseFunc(middleware ...HandlerFunc) IRoutes {
 	return group.returnObj()
 }
 
+// Prefix adds a matcher for the URL path prefix.
+func (group *RouterGroup) Prefix(prefix string, handlers ...Handler) IRoutes {
+	return group.PrefixFunc(prefix, func(c *Context) {
+		for _, h := range handlers {
+			h.ServeHTTP(c)
+		}
+	})
+}
+
+// PrefixFunc adds a matcher for the URL path prefix.
+func (group *RouterGroup) PrefixFunc(prefix string, handlers ...HandlerFunc) IRoutes {
+	return group.UseFunc(func(c *Context) {
+		if strings.HasPrefix(c.Request.URL.Path, prefix) {
+			for _, h := range handlers {
+				h.ServeHTTP(c)
+			}
+			c.Abort()
+			return
+		}
+		c.Next()
+	})
+}
+
 // Group creates a new router group. You should add all the routes that have common middlwares or the same path prefix.
 // For example, all the routes that use a common middlware for authorization could be grouped.
 func (group *RouterGroup) Group(relativePath string, handlers ...HandlerFunc) *RouterGroup {

pkg/net/http/blademaster/server.go

@@ -392,6 +392,22 @@ func (engine *Engine) Use(middleware ...Handler) IRoutes {
 	return engine
 }
 
+// PrefixFunc adds a matcher for the URL path prefix.
+func (engine *Engine) PrefixFunc(prefix string, handlers ...HandlerFunc) IRoutes {
+	engine.RouterGroup.PrefixFunc(prefix, handlers...)
+	engine.rebuild404Handlers()
+	engine.rebuild405Handlers()
+	return engine
+}
+
+// Prefix adds a matcher for the URL path prefix.
+func (engine *Engine) Prefix(prefix string, handlers ...Handler) IRoutes {
+	engine.RouterGroup.Prefix(prefix, handlers...)
+	engine.rebuild404Handlers()
+	engine.rebuild405Handlers()
+	return engine
+}
+
 // Ping is used to set the general HTTP ping handler.
 func (engine *Engine) Ping(handler HandlerFunc) {
 	engine.GET("/ping", handler)

pkg/net/rpc/warden/balancer/p2c/p2c.go

@@ -1,7 +1,6 @@
 package p2c
 
 import (
-	"context"
 	"math"
 	"math/rand"
 	"strconv"
@@ -39,7 +38,7 @@ const Name = "p2c"
 
 // newBuilder creates a new weighted-roundrobin balancer builder.
 func newBuilder() balancer.Builder {
-	return base.NewBalancerBuilder(Name, &p2cPickerBuilder{})
+	return base.NewBalancerBuilder(Name, &p2cPickerBuilder{}, base.Config{})
 }
 
 func init() {
@@ -107,13 +106,15 @@ type statistic struct {
 
 type p2cPickerBuilder struct{}
 
-func (*p2cPickerBuilder) Build(readySCs map[resolver.Address]balancer.SubConn) balancer.Picker {
+func (*p2cPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
+	readySCs := info.ReadySCs
 	p := &p2cPicker{
 		colors: make(map[string]*p2cPicker),
 		r:      rand.New(rand.NewSource(time.Now().UnixNano())),
 	}
-	for addr, sc := range readySCs {
-		meta, ok := addr.Metadata.(wmd.MD)
+	for sc, sci := range readySCs {
+		addr := sci.Address
+		meta, ok := sci.Address.Metadata.(wmd.MD)
 		if !ok {
 			meta = wmd.MD{
 				Weight: 10,
@@ -155,18 +156,18 @@ type p2cPicker struct {
 	lk       sync.Mutex
 }
 
-func (p *p2cPicker) Pick(ctx context.Context, opts balancer.PickInfo) (balancer.SubConn, func(balancer.DoneInfo), error) {
+func (p *p2cPicker) Pick(opts balancer.PickInfo) (balancer.PickResult, error) {
 	// FIXME refactor to unify the color logic
-	color := nmd.String(ctx, nmd.Color)
+	color := nmd.String(opts.Ctx, nmd.Color)
 	if color == "" && env.Color != "" {
 		color = env.Color
 	}
 	if color != "" {
 		if cp, ok := p.colors[color]; ok {
-			return cp.pick(ctx, opts)
+			return cp.pick(opts)
 		}
 	}
-	return p.pick(ctx, opts)
+	return p.pick(opts)
 }
 
 // choose two distinct nodes
@@ -187,12 +188,12 @@ func (p *p2cPicker) prePick() (nodeA *subConn, nodeB *subConn) {
 	return
 }
 
-func (p *p2cPicker) pick(ctx context.Context, opts balancer.PickInfo) (balancer.SubConn, func(balancer.DoneInfo), error) {
+func (p *p2cPicker) pick(opts balancer.PickInfo) (balancer.PickResult, error) {
 	var pc, upc *subConn
 	start := time.Now().UnixNano()
 
 	if len(p.subConns) <= 0 {
-		return nil, nil, balancer.ErrNoSubConnAvailable
+		return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
 	} else if len(p.subConns) == 1 {
 		pc = p.subConns[0]
 	} else {
@@ -218,54 +219,57 @@ func (p *p2cPicker) pick(ctx context.Context, opts balancer.PickInfo) (balancer.
 	}
 	atomic.AddInt64(&pc.inflight, 1)
 	atomic.AddInt64(&pc.reqs, 1)
-	return pc.conn, func(di balancer.DoneInfo) {
-		atomic.AddInt64(&pc.inflight, -1)
-		now := time.Now().UnixNano()
-		// get moving average ratio w
-		stamp := atomic.SwapInt64(&pc.stamp, now)
-		td := now - stamp
-		if td < 0 {
-			td = 0
-		}
-		w := math.Exp(float64(-td) / float64(tau))
+	return balancer.PickResult{
+		SubConn: pc.conn,
+		Done: func(di balancer.DoneInfo) {
+			atomic.AddInt64(&pc.inflight, -1)
+			now := time.Now().UnixNano()
+			// get moving average ratio w
+			stamp := atomic.SwapInt64(&pc.stamp, now)
+			td := now - stamp
+			if td < 0 {
+				td = 0
+			}
+			w := math.Exp(float64(-td) / float64(tau))
 
-		lag := now - start
-		if lag < 0 {
-			lag = 0
-		}
-		oldLag := atomic.LoadUint64(&pc.lag)
-		if oldLag == 0 {
-			w = 0.0
-		}
-		lag = int64(float64(oldLag)*w + float64(lag)*(1.0-w))
-		atomic.StoreUint64(&pc.lag, uint64(lag))
-
-		success := uint64(1000) // error value ,if error set 1
-		if di.Err != nil {
-			if st, ok := status.FromError(di.Err); ok {
-				// only counter the local grpc error, ignore any business error
-				if st.Code() != codes.Unknown && st.Code() != codes.OK {
-					success = 0
+			lag := now - start
+			if lag < 0 {
+				lag = 0
+			}
+			oldLag := atomic.LoadUint64(&pc.lag)
+			if oldLag == 0 {
+				w = 0.0
+			}
+			lag = int64(float64(oldLag)*w + float64(lag)*(1.0-w))
+			atomic.StoreUint64(&pc.lag, uint64(lag))
+
+			success := uint64(1000) // error value ,if error set 1
+			if di.Err != nil {
+				if st, ok := status.FromError(di.Err); ok {
+					// only counter the local grpc error, ignore any business error
+					if st.Code() != codes.Unknown && st.Code() != codes.OK {
+						success = 0
+					}
 				}
 			}
-		}
-		oldSuc := atomic.LoadUint64(&pc.success)
-		success = uint64(float64(oldSuc)*w + float64(success)*(1.0-w))
-		atomic.StoreUint64(&pc.success, success)
-
-		trailer := di.Trailer
-		if strs, ok := trailer[wmd.CPUUsage]; ok {
-			if cpu, err2 := strconv.ParseUint(strs[0], 10, 64); err2 == nil && cpu > 0 {
-				atomic.StoreUint64(&pc.svrCPU, cpu)
+			oldSuc := atomic.LoadUint64(&pc.success)
+			success = uint64(float64(oldSuc)*w + float64(success)*(1.0-w))
+			atomic.StoreUint64(&pc.success, success)
+
+			trailer := di.Trailer
+			if strs, ok := trailer[wmd.CPUUsage]; ok {
+				if cpu, err2 := strconv.ParseUint(strs[0], 10, 64); err2 == nil && cpu > 0 {
+					atomic.StoreUint64(&pc.svrCPU, cpu)
+				}
 			}
-		}
 
-		logTs := atomic.LoadInt64(&p.logTs)
-		if now-logTs > int64(time.Second*3) {
-			if atomic.CompareAndSwapInt64(&p.logTs, logTs, now) {
-				p.printStats()
+			logTs := atomic.LoadInt64(&p.logTs)
+			if now-logTs > int64(time.Second*3) {
+				if atomic.CompareAndSwapInt64(&p.logTs, logTs, now) {
+					p.printStats()
+				}
 			}
-		}
+		},
 	}, nil
 }
 

pkg/net/rpc/warden/balancer/p2c/p2c_test.go

@@ -16,6 +16,7 @@ import (
 	wmeta "github.com/go-kratos/kratos/pkg/net/rpc/warden/internal/metadata"
 
 	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/balancer/base"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/resolver"
@@ -113,55 +114,28 @@ func (s *testSubConn) Connect() {
 }
 
 func TestBalancerPick(t *testing.T) {
-	scs := map[resolver.Address]balancer.SubConn{}
-	sc1 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test1",
-			Metadata: wmeta.MD{
-				Weight: 8,
-			},
-		},
-	}
-	sc2 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test2",
-			Metadata: wmeta.MD{
-				Weight: 4,
-				Color:  "red",
-			},
-		},
-	}
-	sc3 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test3",
-			Metadata: wmeta.MD{
-				Weight: 2,
-				Color:  "red",
-			},
-		},
-	}
-	sc4 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test4",
-			Metadata: wmeta.MD{
-				Weight: 2,
-				Color:  "purple",
-			},
+	addr1 := resolver.Address{Addr: "test1", Metadata: wmeta.MD{Weight: 8}}
+	addr2 := resolver.Address{Addr: "test2", Metadata: wmeta.MD{Weight: 4, Color: "red"}}
+	addr3 := resolver.Address{Addr: "test3", Metadata: wmeta.MD{Weight: 2, Color: "red"}}
+	addr4 := resolver.Address{Addr: "test4", Metadata: wmeta.MD{Weight: 2, Color: "purple"}}
+
+	bi := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			&testSubConn{addr: addr1}: {Address: addr1},
+			&testSubConn{addr: addr2}: {Address: addr2},
+			&testSubConn{addr: addr3}: {Address: addr3},
+			&testSubConn{addr: addr4}: {Address: addr4},
 		},
 	}
-	scs[sc1.addr] = sc1
-	scs[sc2.addr] = sc2
-	scs[sc3.addr] = sc3
-	scs[sc4.addr] = sc4
 	b := &p2cPickerBuilder{}
-	picker := b.Build(scs)
+	picker := b.Build(bi)
 	res := []string{"test1", "test1", "test1", "test1"}
 	for i := 0; i < 3; i++ {
-		conn, _, err := picker.Pick(context.Background(), balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: context.Background()})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != res[i] {
 			t.Fatalf("the subconn picked(%s),but expected(%s)", sc.addr.Addr, res[i])
 		}
@@ -169,11 +143,11 @@ func TestBalancerPick(t *testing.T) {
 
 	ctx := nmd.NewContext(context.Background(), nmd.New(map[string]interface{}{"color": "black"}))
 	for i := 0; i < 4; i++ {
-		conn, _, err := picker.Pick(ctx, balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: ctx})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != res[i] {
 			t.Fatalf("the (%d) subconn picked(%s),but expected(%s)", i, sc.addr.Addr, res[i])
 		}
@@ -182,11 +156,11 @@ func TestBalancerPick(t *testing.T) {
 	env.Color = "purple"
 	ctx2 := context.Background()
 	for i := 0; i < 4; i++ {
-		conn, _, err := picker.Pick(ctx2, balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: ctx2})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != "test4" {
 			t.Fatalf("the (%d) subconn picked(%s),but expected(%s)", i, sc.addr.Addr, res[i])
 		}
@@ -194,22 +168,21 @@ func TestBalancerPick(t *testing.T) {
 }
 
 func Benchmark_Wrr(b *testing.B) {
-	scs := map[resolver.Address]balancer.SubConn{}
+	bi := base.PickerBuildInfo{ReadySCs: map[balancer.SubConn]base.SubConnInfo{}}
 	for i := 0; i < 50; i++ {
 		addr := resolver.Address{
 			Addr:     fmt.Sprintf("addr_%d", i),
 			Metadata: wmeta.MD{Weight: 10},
 		}
-		scs[addr] = &testSubConn{addr: addr}
+		bi.ReadySCs[&testSubConn{addr: addr}] = base.SubConnInfo{Address: addr}
 	}
 	wpb := &p2cPickerBuilder{}
-	picker := wpb.Build(scs)
-	opt := balancer.PickInfo{}
-	ctx := context.Background()
+	picker := wpb.Build(bi)
+	opt := balancer.PickInfo{Ctx: context.Background()}
 	for idx := 0; idx < b.N; idx++ {
-		_, done, err := picker.Pick(ctx, opt)
+		pr, err := picker.Pick(opt)
 		if err != nil {
-			done(balancer.DoneInfo{})
+			pr.Done(balancer.DoneInfo{})
 		}
 	}
 }
@@ -238,13 +211,13 @@ func newController(svrNum int, cliNum int) *controller {
 	}
 	//new clients
 	var clients []balancer.Picker
-	scs := map[resolver.Address]balancer.SubConn{}
+	bi := base.PickerBuildInfo{ReadySCs: map[balancer.SubConn]base.SubConnInfo{}}
 	for _, v := range servers {
-		scs[v.addr] = v
+		bi.ReadySCs[v] = base.SubConnInfo{Address: v.addr}
 	}
 	for i := 0; i < cliNum; i++ {
 		wpb := &p2cPickerBuilder{}
-		picker := wpb.Build(scs)
+		picker := wpb.Build(bi)
 		clients = append(clients, picker)
 	}
 
@@ -261,7 +234,6 @@ type controller struct {
 }
 
 func (c *controller) launch(concurrency int) {
-	opt := balancer.PickInfo{}
 	bkg := context.Background()
 	for i := range c.clients {
 		for j := 0; j < concurrency; j++ {
@@ -269,8 +241,8 @@ func (c *controller) launch(concurrency int) {
 			go func() {
 				for {
 					ctx, cancel := context.WithTimeout(bkg, time.Millisecond*250)
-					sc, done, _ := picker.Pick(ctx, opt)
-					server := sc.(*testSubConn)
+					pr, _ := picker.Pick(balancer.PickInfo{Ctx: ctx})
+					server := pr.SubConn.(*testSubConn)
 					server.connect(ctx)
 					var err error
 					if ctx.Err() != nil {
@@ -280,7 +252,7 @@ func (c *controller) launch(concurrency int) {
 					cpu := atomic.LoadInt64(&server.cpu)
 					md := make(map[string]string)
 					md[wmeta.CPUUsage] = strconv.FormatInt(cpu, 10)
-					done(balancer.DoneInfo{Trailer: metadata.New(md), Err: err})
+					pr.Done(balancer.DoneInfo{Trailer: metadata.New(md), Err: err})
 					time.Sleep(time.Millisecond * 10)
 				}
 			}()

pkg/net/rpc/warden/balancer/wrr/wrr.go

@@ -33,7 +33,7 @@ const Name = "wrr"
 
 // newBuilder creates a new weighted-roundrobin balancer builder.
 func newBuilder() balancer.Builder {
-	return base.NewBalancerBuilder(Name, &wrrPickerBuilder{})
+	return base.NewBalancerBuilder(Name, &wrrPickerBuilder{}, base.Config{})
 }
 
 func init() {
@@ -137,12 +137,13 @@ func Stats() grpc.UnaryClientInterceptor {
 
 type wrrPickerBuilder struct{}
 
-func (*wrrPickerBuilder) Build(readySCs map[resolver.Address]balancer.SubConn) balancer.Picker {
+func (*wrrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
+	readySCs := info.ReadySCs
 	p := &wrrPicker{
 		colors: make(map[string]*wrrPicker),
 	}
-	for addr, sc := range readySCs {
-		meta, ok := addr.Metadata.(wmeta.MD)
+	for sc, sci := range readySCs {
+		meta, ok := sci.Address.Metadata.(wmeta.MD)
 		if !ok {
 			meta = wmeta.MD{
 				Weight: 10,
@@ -150,7 +151,7 @@ func (*wrrPickerBuilder) Build(readySCs map[resolver.Address]balancer.SubConn) b
 		}
 		subc := &subConn{
 			conn: sc,
-			addr: addr,
+			addr: sci.Address,
 
 			meta:  meta,
 			ewt:   int64(meta.Weight),
@@ -193,8 +194,9 @@ type wrrPicker struct {
 	mu sync.Mutex
 }
 
-func (p *wrrPicker) Pick(ctx context.Context, opts balancer.PickInfo) (balancer.SubConn, func(balancer.DoneInfo), error) {
+func (p *wrrPicker) Pick(opts balancer.PickInfo) (balancer.PickResult, error) {
 	// FIXME refactor to unify the color logic
+	ctx := opts.Ctx
 	color := nmd.String(ctx, nmd.Color)
 	if color == "" && env.Color != "" {
 		color = env.Color
@@ -207,13 +209,13 @@ func (p *wrrPicker) Pick(ctx context.Context, opts balancer.PickInfo) (balancer.
 	return p.pick(ctx, opts)
 }
 
-func (p *wrrPicker) pick(ctx context.Context, opts balancer.PickInfo) (balancer.SubConn, func(balancer.DoneInfo), error) {
+func (p *wrrPicker) pick(ctx context.Context, opts balancer.PickInfo) (balancer.PickResult, error) {
 	var (
 		conn        *subConn
 		totalWeight int64
 	)
 	if len(p.subConns) <= 0 {
-		return nil, nil, balancer.ErrNoSubConnAvailable
+		return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
 	}
 	p.mu.Lock()
 	// nginx wrr load balancing algorithm: http://blog.csdn.net/zhangskd/article/details/50194069
@@ -233,70 +235,73 @@ func (p *wrrPicker) pick(ctx context.Context, opts balancer.PickInfo) (balancer.
 	//if !feature.DefaultGate.Enabled(dwrrFeature) {
 	//	return conn.conn, nil, nil
 	//}
-	return conn.conn, func(di balancer.DoneInfo) {
-		ev := int64(0) // error value ,if error set 1
-		if di.Err != nil {
-			if st, ok := status.FromError(di.Err); ok {
-				// only counter the local grpc error, ignore any business error
-				if st.Code() != codes.Unknown && st.Code() != codes.OK {
-					ev = 1
+	return balancer.PickResult{
+		SubConn: conn.conn,
+		Done: func(di balancer.DoneInfo) {
+			ev := int64(0) // error value ,if error set 1
+			if di.Err != nil {
+				if st, ok := status.FromError(di.Err); ok {
+					// only counter the local grpc error, ignore any business error
+					if st.Code() != codes.Unknown && st.Code() != codes.OK {
+						ev = 1
+					}
 				}
 			}
-		}
-		conn.err.Add(ev)
+			conn.err.Add(ev)
 
-		now := time.Now()
-		conn.latency.Add(now.Sub(start).Nanoseconds() / 1e5)
-		u := atomic.LoadInt64(&p.updateAt)
-		if now.UnixNano()-u < int64(time.Second) {
-			return
-		}
-		if !atomic.CompareAndSwapInt64(&p.updateAt, u, now.UnixNano()) {
-			return
-		}
-		var (
-			stats = make([]statistics, len(p.subConns))
-			count int
-			total float64
-		)
-		for i, conn := range p.subConns {
-			cpu := float64(atomic.LoadInt64(&conn.si.cpu))
-			ss := math.Float64frombits(atomic.LoadUint64(&conn.si.success))
-			errc, req := conn.errSummary()
-			lagv, lagc := conn.latencySummary()
+			now := time.Now()
+			conn.latency.Add(now.Sub(start).Nanoseconds() / 1e5)
+			u := atomic.LoadInt64(&p.updateAt)
+			if now.UnixNano()-u < int64(time.Second) {
+				return
+			}
+			if !atomic.CompareAndSwapInt64(&p.updateAt, u, now.UnixNano()) {
+				return
+			}
+			var (
+				stats = make([]statistics, len(p.subConns))
+				count int
+				total float64
+			)
+			for i, conn := range p.subConns {
+				cpu := float64(atomic.LoadInt64(&conn.si.cpu))
+				ss := math.Float64frombits(atomic.LoadUint64(&conn.si.success))
+				errc, req := conn.errSummary()
+				lagv, lagc := conn.latencySummary()
 
-			if req > 0 && lagc > 0 && lagv > 0 {
-				// client-side success ratio
-				cs := 1 - (float64(errc) / float64(req))
-				if cs <= 0 {
-					cs = 0.1
-				} else if cs <= 0.2 && req <= 5 {
-					cs = 0.2
+				if req > 0 && lagc > 0 && lagv > 0 {
+					// client-side success ratio
+					cs := 1 - (float64(errc) / float64(req))
+					if cs <= 0 {
+						cs = 0.1
+					} else if cs <= 0.2 && req <= 5 {
+						cs = 0.2
+					}
+					conn.score = math.Sqrt((cs * ss * ss * 1e9) / (lagv * cpu))
+					stats[i] = statistics{cs: cs, ss: ss, latency: lagv, cpu: cpu, req: req}
 				}
-				conn.score = math.Sqrt((cs * ss * ss * 1e9) / (lagv * cpu))
-				stats[i] = statistics{cs: cs, ss: ss, latency: lagv, cpu: cpu, req: req}
-			}
-			stats[i].addr = conn.addr.Addr
+				stats[i].addr = conn.addr.Addr
 
-			if conn.score > 0 {
-				total += conn.score
-				count++
+				if conn.score > 0 {
+					total += conn.score
+					count++
+				}
 			}
-		}
-		// count must be greater than 1,otherwise will lead ewt to 0
-		if count < 2 {
-			return
-		}
-		avgscore := total / float64(count)
-		p.mu.Lock()
-		for i, conn := range p.subConns {
-			if conn.score <= 0 {
-				conn.score = avgscore
+			// count must be greater than 1,otherwise will lead ewt to 0
+			if count < 2 {
+				return
 			}
-			conn.ewt = int64(conn.score * float64(conn.meta.Weight))
-			stats[i].ewt = conn.ewt
-		}
-		p.mu.Unlock()
-		log.Info("warden wrr(%s): %+v", conn.addr.ServerName, stats)
+			avgscore := total / float64(count)
+			p.mu.Lock()
+			for i, conn := range p.subConns {
+				if conn.score <= 0 {
+					conn.score = avgscore
+				}
+				conn.ewt = int64(conn.score * float64(conn.meta.Weight))
+				stats[i].ewt = conn.ewt
+			}
+			p.mu.Unlock()
+			log.Info("warden wrr(%s): %+v", conn.addr.ServerName, stats)
+		},
 	}, nil
 }

pkg/net/rpc/warden/balancer/wrr/wrr_test.go

@@ -3,6 +3,7 @@ package wrr
 import (
 	"context"
 	"fmt"
+	"google.golang.org/grpc/balancer/base"
 	"testing"
 	"time"
 
@@ -33,45 +34,25 @@ func (s *testSubConn) Connect() {
 }
 
 func TestBalancerPick(t *testing.T) {
-	scs := map[resolver.Address]balancer.SubConn{}
-	sc1 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test1",
-			Metadata: wmeta.MD{
-				Weight: 8,
-			},
+	addr1 := resolver.Address{Addr: "test1", Metadata: wmeta.MD{Weight: 8}}
+	addr2 := resolver.Address{Addr: "test2", Metadata: wmeta.MD{Weight: 4, Color: "red"}}
+	addr3 := resolver.Address{Addr: "test3", Metadata: wmeta.MD{Weight: 2, Color: "red"}}
+	bi := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			&testSubConn{addr: addr1}: {Address: addr1},
+			&testSubConn{addr: addr2}: {Address: addr2},
+			&testSubConn{addr: addr3}: {Address: addr3},
 		},
 	}
-	sc2 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test2",
-			Metadata: wmeta.MD{
-				Weight: 4,
-				Color:  "red",
-			},
-		},
-	}
-	sc3 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test3",
-			Metadata: wmeta.MD{
-				Weight: 2,
-				Color:  "red",
-			},
-		},
-	}
-	scs[sc1.addr] = sc1
-	scs[sc2.addr] = sc2
-	scs[sc3.addr] = sc3
 	b := &wrrPickerBuilder{}
-	picker := b.Build(scs)
+	picker := b.Build(bi)
 	res := []string{"test1", "test1", "test1", "test1"}
 	for i := 0; i < 3; i++ {
-		conn, _, err := picker.Pick(context.Background(), balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: context.Background()})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != res[i] {
 			t.Fatalf("the subconn picked(%s),but expected(%s)", sc.addr.Addr, res[i])
 		}
@@ -79,22 +60,22 @@ func TestBalancerPick(t *testing.T) {
 	res2 := []string{"test2", "test3", "test2", "test2", "test3", "test2"}
 	ctx := nmd.NewContext(context.Background(), nmd.New(map[string]interface{}{"color": "red"}))
 	for i := 0; i < 6; i++ {
-		conn, _, err := picker.Pick(ctx, balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: ctx})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != res2[i] {
 			t.Fatalf("the (%d) subconn picked(%s),but expected(%s)", i, sc.addr.Addr, res2[i])
 		}
 	}
 	ctx = nmd.NewContext(context.Background(), nmd.New(map[string]interface{}{"color": "black"}))
 	for i := 0; i < 4; i++ {
-		conn, _, err := picker.Pick(ctx, balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: ctx})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != res[i] {
 			t.Fatalf("the (%d) subconn picked(%s),but expected(%s)", i, sc.addr.Addr, res[i])
 		}
@@ -104,11 +85,11 @@ func TestBalancerPick(t *testing.T) {
 	ctx = context.Background()
 	env.Color = "red"
 	for i := 0; i < 6; i++ {
-		conn, _, err := picker.Pick(ctx, balancer.PickInfo{})
+		pr, err := picker.Pick(balancer.PickInfo{Ctx: ctx})
 		if err != nil {
 			t.Fatalf("picker.Pick failed!idx:=%d", i)
 		}
-		sc := conn.(*testSubConn)
+		sc := pr.SubConn.(*testSubConn)
 		if sc.addr.Addr != res2[i] {
 			t.Fatalf("the (%d) subconn picked(%s),but expected(%s)", i, sc.addr.Addr, res2[i])
 		}
@@ -116,22 +97,18 @@ func TestBalancerPick(t *testing.T) {
 }
 
 func TestBalancerDone(t *testing.T) {
-	scs := map[resolver.Address]balancer.SubConn{}
-	sc1 := &testSubConn{
-		addr: resolver.Address{
-			Addr: "test1",
-			Metadata: wmeta.MD{
-				Weight: 8,
-			},
+	addr := resolver.Address{Addr: "test1", Metadata: wmeta.MD{Weight: 8}}
+	b := &wrrPickerBuilder{}
+	bi := base.PickerBuildInfo{
+		ReadySCs: map[balancer.SubConn]base.SubConnInfo{
+			&testSubConn{addr: addr}: {Address: addr},
 		},
 	}
-	scs[sc1.addr] = sc1
-	b := &wrrPickerBuilder{}
-	picker := b.Build(scs)
+	picker := b.Build(bi)
 
-	_, done, _ := picker.Pick(context.Background(), balancer.PickInfo{})
+	pr, _ := picker.Pick(balancer.PickInfo{Ctx: context.Background()})
 	time.Sleep(100 * time.Millisecond)
-	done(balancer.DoneInfo{Err: status.Errorf(codes.Unknown, "test")})
+	pr.Done(balancer.DoneInfo{Err: status.Errorf(codes.Unknown, "test")})
 	err, req := picker.(*wrrPicker).subConns[0].errSummary()
 	assert.Equal(t, int64(0), err)
 	assert.Equal(t, int64(1), req)
@@ -143,8 +120,8 @@ func TestBalancerDone(t *testing.T) {
 	}
 	assert.Equal(t, int64(1), count)
 
-	_, done, _ = picker.Pick(context.Background(), balancer.PickInfo{})
-	done(balancer.DoneInfo{Err: status.Errorf(codes.Aborted, "test")})
+	pr, _ = picker.Pick(balancer.PickInfo{Ctx: context.Background()})
+	pr.Done(balancer.DoneInfo{Err: status.Errorf(codes.Aborted, "test")})
 	err, req = picker.(*wrrPicker).subConns[0].errSummary()
 	assert.Equal(t, int64(1), err)
 	assert.Equal(t, int64(2), req)

pkg/net/rpc/warden/validate.go

@@ -6,8 +6,8 @@ import (
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
+	"github.com/go-playground/validator/v10"
 	"google.golang.org/grpc"
-	"gopkg.in/go-playground/validator.v9"
 )
 
 var validate = validator.New()

pkg/net/trace/config.go

@@ -58,7 +58,7 @@ func TracerFromEnvFlag() (Tracer, error) {
 		return nil, err
 	}
 	report := newReport(cfg.Network, cfg.Addr, time.Duration(cfg.Timeout), cfg.ProtocolVersion)
-	return NewTracer(env.AppID, report, cfg.DisableSample), nil
+	return NewTracer(env.AppID, report, cfg.DisableSample, _probability), nil
 }
 
 // Init init trace report.
@@ -71,5 +71,5 @@ func Init(cfg *Config) {
 		}
 	}
 	report := newReport(cfg.Network, cfg.Addr, time.Duration(cfg.Timeout), cfg.ProtocolVersion)
-	SetGlobalTracer(NewTracer(env.AppID, report, cfg.DisableSample))
+	SetGlobalTracer(NewTracer(env.AppID, report, cfg.DisableSample, _probability))
 }

pkg/net/trace/dapper.go

@@ -14,8 +14,8 @@ const (
 )
 
 // NewTracer new a tracer.
-func NewTracer(serviceName string, report reporter, disableSample bool) Tracer {
-	sampler := newSampler(_probability)
+func NewTracer(serviceName string, report reporter, disableSample bool, probability float32) Tracer {
+	sampler := newSampler(probability)
 
 	// default internal tags
 	tags := extendTag()

pkg/net/trace/jaeger/config.go

@@ -11,6 +11,7 @@ import (
 var (
 	_jaegerAppID    = env.AppID
 	_jaegerEndpoint = "http://127.0.0.1:9191"
+	_probability    = 0.00025
 )
 
 func init() {
@@ -27,7 +28,10 @@ func init() {
 }
 
 // Init Init
-func Init() {
-	c := &Config{Endpoint: _jaegerEndpoint, BatchSize: 120}
-	trace.SetGlobalTracer(trace.NewTracer(_jaegerAppID, newReport(c), true))
+func Init(cfg *Config) {
+	c := cfg
+	if c == nil {
+		c = &Config{AppID: _jaegerAppID, Endpoint: _jaegerEndpoint, BatchSize: 120, Probability: float32(_probability)}
+	}
+	trace.SetGlobalTracer(trace.NewTracer(c.AppID, newReport(c), true, c.Probability))
 }

pkg/net/trace/jaeger/jaeger.go

@@ -6,8 +6,10 @@ import (
 )
 
 type Config struct {
-	Endpoint  string
-	BatchSize int
+	AppID       string
+	Endpoint    string
+	BatchSize   int
+	Probability float32
 }
 
 type JaegerReporter struct {