rebase: use latest google.golang.org/grpc version

google.golang.org/grpc was listed in go.mod:replace and updating the
dependency was not possible. There should not be a reason to prevent
updating, commit 5aca04d540 added it but without explanation.

Signed-off-by: Niels de Vos <ndevos@redhat.com>
This commit is contained in:
Niels de Vos 2021-08-31 14:38:09 +02:00 committed by mergify[bot]
parent bf77ab57dc
commit c12b155940
44 changed files with 1285 additions and 814 deletions

1
go.mod
View File

@ -41,7 +41,6 @@ replace (
github.com/hashicorp/vault/sdk => github.com/hashicorp/vault/sdk v0.1.14-0.20201116234512-b4d4137dfe8b
github.com/portworx/sched-ops => github.com/portworx/sched-ops v0.20.4-openstorage-rc3
gomodules.xyz/jsonpatch/v2 => github.com/gomodules/jsonpatch/v2 v2.2.0
google.golang.org/grpc => google.golang.org/grpc v1.35.0
//
// k8s.io/kubernetes depends on these k8s.io packages, but unversioned
//

42
go.sum
View File

@ -176,10 +176,13 @@ github.com/cilium/ebpf v0.5.0/go.mod h1:4tRaxcgiL706VnOzHOdBlY8IEAIdxINsQBcU4xJJ
github.com/cilium/ebpf v0.6.2/go.mod h1:4tRaxcgiL706VnOzHOdBlY8IEAIdxINsQBcU4xJJXRs=
github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cloudfoundry-community/go-cfclient v0.0.0-20190201205600-f136f9222381/go.mod h1:e5+USP2j8Le2M0Jo3qKPFnNhuo1wueU4nWHCXBOfQ14=
github.com/cloudfoundry/gofileutils v0.0.0-20170111115228-4d0c80011a0f/go.mod h1:Zv7xtAh/T/tmfZlxpESaWWiWOdiJz2GfbBYxImuI6T4=
github.com/clusterhq/flocker-go v0.0.0-20160920122132-2b8b7259d313/go.mod h1:P1wt9Z3DP8O6W3rvwCt0REIlshg1InHImaLW0t3ObY0=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
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/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
github.com/cockroachdb/cockroach-go v0.0.0-20181001143604-e0a95dfd547c/go.mod h1:XGLbWH/ujMcbPbhZq52Nv6UrCghb1yGn//133kEsvDk=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
@ -269,7 +272,12 @@ github.com/elazarl/goproxy v0.0.0-20191011121108-aa519ddbe484/go.mod h1:Ro8st/El
github.com/elazarl/goproxy/ext v0.0.0-20190711103511-473e67f1d7d2/go.mod h1:gNh8nYJoAm43RfaxurUnxr+N1PwuFV3ZMl/efxlIlY8=
github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
github.com/emicklei/go-restful v2.9.5+incompatible/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
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/euank/go-kmsg-parser v2.0.0+incompatible/go.mod h1:MhmAMZ8V4CYH4ybgdRwPr2TU5ThnS43puaKEMpja1uw=
github.com/evanphx/json-patch v0.5.2/go.mod h1:ZWS5hhDbVDyob71nXKNL0+PWn6ToqBHMikGIFbs31qQ=
@ -367,6 +375,8 @@ github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4er
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:tluoj9z5200jBnyusfRPU2LqT6J+DAorxEvtC7LHB+E=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y=
github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
@ -1072,6 +1082,8 @@ golang.org/x/exp v0.0.0-20210220032938-85be41e4509f/go.mod h1:I6l2HNBLBZEcrOoCpy
golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20181217174547-8f45f776aaf1/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@ -1168,6 +1180,7 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@ -1271,9 +1284,11 @@ golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac h1:7zkz7BUtwNFFqcowJ+RIgu2M
golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20181219222714-6e267b5cc78e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190206041539-40960b6deb8e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
@ -1411,8 +1426,32 @@ google.golang.org/genproto v0.0.0-20201110150050-8816d57aaa9a/go.mod h1:FWY/as6D
google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
google.golang.org/grpc v1.35.0 h1:TwIQcH3es+MojMVojxxfQ3l3OF2KzlRxML2xZq0kRo8=
google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.22.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
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 v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
google.golang.org/grpc v1.40.0 h1:AGJ0Ih4mHjSeibYkFGh1dD9KJ/eOtZ93I6hoHhukQ5Q=
google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
@ -1471,6 +1510,7 @@ gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C
gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20180920025451-e3ad64cb4ed3/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

View File

@ -1,42 +0,0 @@
language: go
matrix:
include:
- go: 1.14.x
env: VET=1 GO111MODULE=on
- go: 1.14.x
env: RACE=1 GO111MODULE=on
- go: 1.14.x
env: RUN386=1
- go: 1.14.x
env: GRPC_GO_RETRY=on
- go: 1.14.x
env: TESTEXTRAS=1
- go: 1.13.x
env: GO111MODULE=on
- go: 1.12.x
env: GO111MODULE=on
- go: 1.11.x # Keep until interop tests no longer require Go1.11
env: GO111MODULE=on
go_import_path: google.golang.org/grpc
before_install:
- if [[ "${GO111MODULE}" = "on" ]]; then mkdir "${HOME}/go"; export GOPATH="${HOME}/go"; fi
- if [[ -n "${RUN386}" ]]; then export GOARCH=386; fi
- if [[ "${TRAVIS_EVENT_TYPE}" = "cron" && -z "${RUN386}" ]]; then RACE=1; fi
- if [[ "${TRAVIS_EVENT_TYPE}" != "cron" ]]; then export VET_SKIP_PROTO=1; fi
install:
- try3() { eval "$*" || eval "$*" || eval "$*"; }
- try3 'if [[ "${GO111MODULE}" = "on" ]]; then go mod download; else make testdeps; fi'
- if [[ -n "${GAE}" ]]; then source ./install_gae.sh; make testappenginedeps; fi
- if [[ -n "${VET}" ]]; then ./vet.sh -install; fi
script:
- set -e
- if [[ -n "${TESTEXTRAS}" ]]; then examples/examples_test.sh; security/advancedtls/examples/examples_test.sh; interop/interop_test.sh; make testsubmodule; exit 0; fi
- if [[ -n "${VET}" ]]; then ./vet.sh; fi
- if [[ -n "${GAE}" ]]; then make testappengine; exit 0; fi
- if [[ -n "${RACE}" ]]; then make testrace; exit 0; fi
- make test

View File

@ -136,6 +136,6 @@ errors.
[Go module]: https://github.com/golang/go/wiki/Modules
[gRPC]: https://grpc.io
[Go gRPC docs]: https://grpc.io/docs/languages/go
[Performance benchmark]: https://performance-dot-grpc-testing.appspot.com/explore?dashboard=5652536396611584&widget=490377658&container=1286539696
[Performance benchmark]: https://performance-dot-grpc-testing.appspot.com/explore?dashboard=5180705743044608
[quick start]: https://grpc.io/docs/languages/go/quickstart
[go-releases]: https://golang.org/doc/devel/release.html

View File

@ -101,6 +101,9 @@ type SubConn interface {
// a new connection will be created.
//
// This will trigger a state transition for the SubConn.
//
// Deprecated: This method is now part of the ClientConn interface and will
// eventually be removed from here.
UpdateAddresses([]resolver.Address)
// Connect starts the connecting for this SubConn.
Connect()
@ -143,6 +146,13 @@ type ClientConn interface {
// RemoveSubConn removes the SubConn from ClientConn.
// The SubConn will be shutdown.
RemoveSubConn(SubConn)
// UpdateAddresses updates the addresses used in the passed in SubConn.
// gRPC checks if the currently connected address is still in the new list.
// If so, the connection will be kept. Else, the connection will be
// gracefully closed, and a new connection will be created.
//
// This will trigger a state transition for the SubConn.
UpdateAddresses(SubConn, []resolver.Address)
// UpdateState notifies gRPC that the balancer's internal state has
// changed.

View File

@ -22,6 +22,7 @@ import (
"errors"
"fmt"
"google.golang.org/grpc/attributes"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/grpclog"
@ -41,7 +42,7 @@ func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions)
cc: cc,
pickerBuilder: bb.pickerBuilder,
subConns: make(map[resolver.Address]balancer.SubConn),
subConns: make(map[resolver.Address]subConnInfo),
scStates: make(map[balancer.SubConn]connectivity.State),
csEvltr: &balancer.ConnectivityStateEvaluator{},
config: bb.config,
@ -57,6 +58,11 @@ func (bb *baseBuilder) Name() string {
return bb.name
}
type subConnInfo struct {
subConn balancer.SubConn
attrs *attributes.Attributes
}
type baseBalancer struct {
cc balancer.ClientConn
pickerBuilder PickerBuilder
@ -64,7 +70,7 @@ type baseBalancer struct {
csEvltr *balancer.ConnectivityStateEvaluator
state connectivity.State
subConns map[resolver.Address]balancer.SubConn // `attributes` is stripped from the keys of this map (the addresses)
subConns map[resolver.Address]subConnInfo // `attributes` is stripped from the keys of this map (the addresses)
scStates map[balancer.SubConn]connectivity.State
picker balancer.Picker
config Config
@ -114,7 +120,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
aNoAttrs := a
aNoAttrs.Attributes = nil
addrsSet[aNoAttrs] = struct{}{}
if sc, ok := b.subConns[aNoAttrs]; !ok {
if scInfo, ok := b.subConns[aNoAttrs]; !ok {
// a is a new address (not existing in b.subConns).
//
// When creating SubConn, the original address with attributes is
@ -125,7 +131,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
logger.Warningf("base.baseBalancer: failed to create new SubConn: %v", err)
continue
}
b.subConns[aNoAttrs] = sc
b.subConns[aNoAttrs] = subConnInfo{subConn: sc, attrs: a.Attributes}
b.scStates[sc] = connectivity.Idle
sc.Connect()
} else {
@ -135,13 +141,15 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
// The SubConn does a reflect.DeepEqual of the new and old
// addresses. So this is a noop if the current address is the same
// as the old one (including attributes).
sc.UpdateAddresses([]resolver.Address{a})
scInfo.attrs = a.Attributes
b.subConns[aNoAttrs] = scInfo
b.cc.UpdateAddresses(scInfo.subConn, []resolver.Address{a})
}
}
for a, sc := range b.subConns {
for a, scInfo := range b.subConns {
// a was removed by resolver.
if _, ok := addrsSet[a]; !ok {
b.cc.RemoveSubConn(sc)
b.cc.RemoveSubConn(scInfo.subConn)
delete(b.subConns, a)
// Keep the state of this sc in b.scStates until sc's state becomes Shutdown.
// The entry will be deleted in UpdateSubConnState.
@ -184,9 +192,10 @@ func (b *baseBalancer) regeneratePicker() {
readySCs := make(map[balancer.SubConn]SubConnInfo)
// Filter out all ready SCs from full subConn map.
for addr, sc := range b.subConns {
if st, ok := b.scStates[sc]; ok && st == connectivity.Ready {
readySCs[sc] = SubConnInfo{Address: addr}
for addr, scInfo := range b.subConns {
if st, ok := b.scStates[scInfo.subConn]; ok && st == connectivity.Ready {
addr.Attributes = scInfo.attrs
readySCs[scInfo.subConn] = SubConnInfo{Address: addr}
}
}
b.picker = b.pickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs})

View File

@ -43,7 +43,8 @@ type ccBalancerWrapper struct {
cc *ClientConn
balancerMu sync.Mutex // synchronizes calls to the balancer
balancer balancer.Balancer
scBuffer *buffer.Unbounded
updateCh *buffer.Unbounded
closed *grpcsync.Event
done *grpcsync.Event
mu sync.Mutex
@ -53,7 +54,8 @@ type ccBalancerWrapper struct {
func newCCBalancerWrapper(cc *ClientConn, b balancer.Builder, bopts balancer.BuildOptions) *ccBalancerWrapper {
ccb := &ccBalancerWrapper{
cc: cc,
scBuffer: buffer.NewUnbounded(),
updateCh: buffer.NewUnbounded(),
closed: grpcsync.NewEvent(),
done: grpcsync.NewEvent(),
subConns: make(map[*acBalancerWrapper]struct{}),
}
@ -67,35 +69,53 @@ func newCCBalancerWrapper(cc *ClientConn, b balancer.Builder, bopts balancer.Bui
func (ccb *ccBalancerWrapper) watcher() {
for {
select {
case t := <-ccb.scBuffer.Get():
ccb.scBuffer.Load()
if ccb.done.HasFired() {
case t := <-ccb.updateCh.Get():
ccb.updateCh.Load()
if ccb.closed.HasFired() {
break
}
switch u := t.(type) {
case *scStateUpdate:
ccb.balancerMu.Lock()
su := t.(*scStateUpdate)
ccb.balancer.UpdateSubConnState(su.sc, balancer.SubConnState{ConnectivityState: su.state, ConnectionError: su.err})
ccb.balancer.UpdateSubConnState(u.sc, balancer.SubConnState{ConnectivityState: u.state, ConnectionError: u.err})
ccb.balancerMu.Unlock()
case <-ccb.done.Done():
case *acBalancerWrapper:
ccb.mu.Lock()
if ccb.subConns != nil {
delete(ccb.subConns, u)
ccb.cc.removeAddrConn(u.getAddrConn(), errConnDrain)
}
ccb.mu.Unlock()
default:
logger.Errorf("ccBalancerWrapper.watcher: unknown update %+v, type %T", t, t)
}
case <-ccb.closed.Done():
}
if ccb.done.HasFired() {
if ccb.closed.HasFired() {
ccb.balancerMu.Lock()
ccb.balancer.Close()
ccb.balancerMu.Unlock()
ccb.mu.Lock()
scs := ccb.subConns
ccb.subConns = nil
ccb.mu.Unlock()
ccb.UpdateState(balancer.State{ConnectivityState: connectivity.Connecting, Picker: nil})
ccb.done.Fire()
// Fire done before removing the addr conns. We can safely unblock
// ccb.close and allow the removeAddrConns to happen
// asynchronously.
for acbw := range scs {
ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
}
ccb.UpdateState(balancer.State{ConnectivityState: connectivity.Connecting, Picker: nil})
return
}
}
}
func (ccb *ccBalancerWrapper) close() {
ccb.done.Fire()
ccb.closed.Fire()
<-ccb.done.Done()
}
func (ccb *ccBalancerWrapper) handleSubConnStateChange(sc balancer.SubConn, s connectivity.State, err error) {
@ -109,7 +129,7 @@ func (ccb *ccBalancerWrapper) handleSubConnStateChange(sc balancer.SubConn, s co
if sc == nil {
return
}
ccb.scBuffer.Put(&scStateUpdate{
ccb.updateCh.Put(&scStateUpdate{
sc: sc,
state: s,
err: err,
@ -150,17 +170,18 @@ func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer
}
func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) {
// The RemoveSubConn() is handled in the run() goroutine, to avoid deadlock
// during switchBalancer() if the old balancer calls RemoveSubConn() in its
// Close().
ccb.updateCh.Put(sc)
}
func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) {
acbw, ok := sc.(*acBalancerWrapper)
if !ok {
return
}
ccb.mu.Lock()
defer ccb.mu.Unlock()
if ccb.subConns == nil {
return
}
delete(ccb.subConns, acbw)
ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
acbw.UpdateAddresses(addrs)
}
func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) {
@ -197,7 +218,7 @@ func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) {
acbw.mu.Lock()
defer acbw.mu.Unlock()
if len(addrs) <= 0 {
acbw.ac.tearDown(errConnDrain)
acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain)
return
}
if !acbw.ac.tryUpdateAddrs(addrs) {
@ -212,7 +233,7 @@ func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) {
acbw.ac.acbw = nil
acbw.ac.mu.Unlock()
acState := acbw.ac.getState()
acbw.ac.tearDown(errConnDrain)
acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain)
if acState == connectivity.Shutdown {
return

View File

@ -143,6 +143,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
firstResolveEvent: grpcsync.NewEvent(),
}
cc.retryThrottler.Store((*retryThrottler)(nil))
cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{nil})
cc.ctx, cc.cancel = context.WithCancel(context.Background())
for _, opt := range opts {
@ -710,7 +711,12 @@ func (cc *ClientConn) switchBalancer(name string) {
return
}
if cc.balancerWrapper != nil {
// Don't hold cc.mu while closing the balancers. The balancers may call
// methods that require cc.mu (e.g. cc.NewSubConn()). Holding the mutex
// would cause a deadlock in that case.
cc.mu.Unlock()
cc.balancerWrapper.close()
cc.mu.Lock()
}
builder := balancer.Get(name)
@ -1045,12 +1051,12 @@ func (cc *ClientConn) Close() error {
cc.blockingpicker.close()
if rWrapper != nil {
rWrapper.close()
}
if bWrapper != nil {
bWrapper.close()
}
if rWrapper != nil {
rWrapper.close()
}
for ac := range conns {
ac.tearDown(ErrClientConnClosing)
@ -1197,7 +1203,7 @@ func (ac *addrConn) resetTransport() {
ac.mu.Lock()
if ac.state == connectivity.Shutdown {
ac.mu.Unlock()
newTr.Close()
newTr.Close(fmt.Errorf("reached connectivity state: SHUTDOWN"))
return
}
ac.curAddr = addr
@ -1329,7 +1335,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
select {
case <-time.After(time.Until(connectDeadline)):
// We didn't get the preface in time.
newTr.Close()
newTr.Close(fmt.Errorf("failed to receive server preface within timeout"))
channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %v: didn't receive server preface in time. Reconnecting...", addr)
return nil, nil, errors.New("timed out waiting for server handshake")
case <-prefaceReceived:
@ -1423,33 +1429,20 @@ func (ac *addrConn) resetConnectBackoff() {
ac.mu.Unlock()
}
// getReadyTransport returns the transport if ac's state is READY.
// Otherwise it returns nil, false.
// If ac's state is IDLE, it will trigger ac to connect.
func (ac *addrConn) getReadyTransport() (transport.ClientTransport, bool) {
// getReadyTransport returns the transport if ac's state is READY or nil if not.
func (ac *addrConn) getReadyTransport() transport.ClientTransport {
ac.mu.Lock()
if ac.state == connectivity.Ready && ac.transport != nil {
t := ac.transport
ac.mu.Unlock()
return t, true
defer ac.mu.Unlock()
if ac.state == connectivity.Ready {
return ac.transport
}
var idle bool
if ac.state == connectivity.Idle {
idle = true
}
ac.mu.Unlock()
// Trigger idle ac to connect.
if idle {
ac.connect()
}
return nil, false
return nil
}
// tearDown starts to tear down the addrConn.
// TODO(zhaoq): Make this synchronous to avoid unbounded memory consumption in
// some edge cases (e.g., the caller opens and closes many addrConn's in a
// tight loop.
// tearDown doesn't remove ac from ac.cc.conns.
//
// Note that tearDown doesn't remove ac from ac.cc.conns, so the addrConn struct
// will leak. In most cases, call cc.removeAddrConn() instead.
func (ac *addrConn) tearDown(err error) {
ac.mu.Lock()
if ac.state == connectivity.Shutdown {

View File

@ -30,7 +30,7 @@ import (
"github.com/golang/protobuf/proto"
"google.golang.org/grpc/attributes"
"google.golang.org/grpc/internal"
icredentials "google.golang.org/grpc/internal/credentials"
)
// PerRPCCredentials defines the common interface for the credentials which need to
@ -188,15 +188,12 @@ type RequestInfo struct {
AuthInfo AuthInfo
}
// requestInfoKey is a struct to be used as the key when attaching a RequestInfo to a context object.
type requestInfoKey struct{}
// RequestInfoFromContext extracts the RequestInfo from the context if it exists.
//
// This API is experimental.
func RequestInfoFromContext(ctx context.Context) (ri RequestInfo, ok bool) {
ri, ok = ctx.Value(requestInfoKey{}).(RequestInfo)
return
ri, ok = icredentials.RequestInfoFromContext(ctx).(RequestInfo)
return ri, ok
}
// ClientHandshakeInfo holds data to be passed to ClientHandshake. This makes
@ -211,16 +208,12 @@ type ClientHandshakeInfo struct {
Attributes *attributes.Attributes
}
// clientHandshakeInfoKey is a struct used as the key to store
// ClientHandshakeInfo in a context.
type clientHandshakeInfoKey struct{}
// ClientHandshakeInfoFromContext returns the ClientHandshakeInfo struct stored
// in ctx.
//
// This API is experimental.
func ClientHandshakeInfoFromContext(ctx context.Context) ClientHandshakeInfo {
chi, _ := ctx.Value(clientHandshakeInfoKey{}).(ClientHandshakeInfo)
chi, _ := icredentials.ClientHandshakeInfoFromContext(ctx).(ClientHandshakeInfo)
return chi
}
@ -249,15 +242,6 @@ func CheckSecurityLevel(ai AuthInfo, level SecurityLevel) error {
return nil
}
func init() {
internal.NewRequestInfoContext = func(ctx context.Context, ri RequestInfo) context.Context {
return context.WithValue(ctx, requestInfoKey{}, ri)
}
internal.NewClientHandshakeInfoContext = func(ctx context.Context, chi ClientHandshakeInfo) context.Context {
return context.WithValue(ctx, clientHandshakeInfoKey{}, chi)
}
}
// ChannelzSecurityInfo defines the interface that security protocols should implement
// in order to provide security info to channelz.
//

View File

@ -66,10 +66,6 @@ type dialOptions struct {
minConnectTimeout func() time.Duration
defaultServiceConfig *ServiceConfig // defaultServiceConfig is parsed from defaultServiceConfigRawJSON.
defaultServiceConfigRawJSON *string
// This is used by ccResolverWrapper to backoff between successive calls to
// resolver.ResolveNow(). The user will have no need to configure this, but
// we need to be able to configure this in tests.
resolveNowBackoff func(int) time.Duration
resolvers []resolver.Builder
}
@ -596,7 +592,6 @@ func defaultDialOptions() dialOptions {
ReadBufferSize: defaultReadBufSize,
UseProxy: true,
},
resolveNowBackoff: internalbackoff.DefaultExponential.Backoff,
}
}
@ -611,16 +606,6 @@ func withMinConnectDeadline(f func() time.Duration) DialOption {
})
}
// withResolveNowBackoff specifies the function that clientconn uses to backoff
// between successive calls to resolver.ResolveNow().
//
// For testing purpose only.
func withResolveNowBackoff(f func(int) time.Duration) DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.resolveNowBackoff = f
})
}
// WithResolvers allows a list of resolver implementations to be registered
// locally with the ClientConn without needing to be globally registered via
// resolver.Register. They will be matched against the scheme used for the

View File

@ -21,6 +21,8 @@
package proto
import (
"fmt"
"github.com/golang/protobuf/proto"
"google.golang.org/grpc/encoding"
)
@ -36,11 +38,19 @@ func init() {
type codec struct{}
func (codec) Marshal(v interface{}) ([]byte, error) {
return proto.Marshal(v.(proto.Message))
vv, ok := v.(proto.Message)
if !ok {
return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
}
return proto.Marshal(vv)
}
func (codec) Unmarshal(data []byte, v interface{}) error {
return proto.Unmarshal(data, v.(proto.Message))
vv, ok := v.(proto.Message)
if !ok {
return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
}
return proto.Unmarshal(data, vv)
}
func (codec) Name() string {

11
vendor/google.golang.org/grpc/go.mod generated vendored
View File

@ -3,15 +3,16 @@ module google.golang.org/grpc
go 1.11
require (
github.com/cespare/xxhash v1.1.0
github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403
github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad
github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
github.com/golang/protobuf v1.4.2
github.com/golang/protobuf v1.4.3
github.com/google/go-cmp v0.5.0
github.com/google/uuid v1.1.2
golang.org/x/net v0.0.0-20190311183353-d8887717615a
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a
golang.org/x/net v0.0.0-20200822124328-c89045814202
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013
google.golang.org/protobuf v1.25.0
)

51
vendor/google.golang.org/grpc/go.sum generated vendored
View File

@ -1,34 +1,46 @@
cloud.google.com/go v0.26.0 h1:e0WKqKTd5BnrG8aKH3J3h+QvEIQtSUcf2n5UZ5ZgLtQ=
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
cloud.google.com/go v0.34.0 h1:eOI3/cP2VTU6uZLDYAoic+eyzzB9YyGmJ7eIjl8rOPg=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
github.com/census-instrumentation/opencensus-proto v0.2.1 h1:glEXhBS5PSLLv4IXzLA5yPRVX4bilULVyxxbrfOtDAk=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/client9/misspell v0.3.4 h1:ta993UF76GwbvJcIo3Y68y/M3WxlpEHPWIGDkJYwzJI=
github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
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/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403 h1:cqQfy1jclcSy/FwLjemeg3SR1yaINm74aQyupQ0Bl8M=
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 h1:OZmjad4L3H8ncOIR8rnb5MREYqG8ixi5+WbeUsquF0c=
github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 v0.9.9-0.20201210154907-fd9021fe5dad h1:EmNYJhPYy0pOFjCx2PrgtaBXmee0iUX9hLlxE1xHOJE=
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 v0.9.9-0.20210512163311-63b5d3c536b0 h1:dulLQAYQFYtG5MTplgNGHWuV2D+OBD+Z8lmDBmbLg+s=
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 h1:EQciDnbrYxy13PgWoY8AqoxGiPrpgBZ1R8UNe3ddc+A=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@ -37,50 +49,66 @@ github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72 h1:qLC7fQah7D6K1B0ujays3HV9gkFtllcxhzImRR7ArPQ=
github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be h1:vEDujvNQGv4jgYKudGeI/+DAX4Jffq6hpD55MmoEvKs=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d h1:TzXSXBo42m9gQenoE3b9BGiEpg5IG2JkU5FkPIawgtw=
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd h1:xhmwyvizuTgC2qz7ZlMluP20uW+C3Rm0FD/WLDX8884=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
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=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
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 v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@ -93,7 +121,8 @@ google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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 h1:fvjTMHxHEw/mxHbtzPi3JCcKXQRAnQTBRo6YCJSVHKI=
gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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=

View File

@ -69,7 +69,8 @@ type writerSink struct {
func (ws *writerSink) Write(e *pb.GrpcLogEntry) error {
b, err := proto.Marshal(e)
if err != nil {
grpclogLogger.Infof("binary logging: failed to marshal proto message: %v", err)
grpclogLogger.Errorf("binary logging: failed to marshal proto message: %v", err)
return err
}
hdr := make([]byte, 4)
binary.BigEndian.PutUint32(hdr, uint32(len(b)))
@ -89,20 +90,23 @@ type bufferedSink struct {
closer io.Closer
out Sink // out is built on buf.
buf *bufio.Writer // buf is kept for flush.
flusherStarted bool
writeStartOnce sync.Once
writeTicker *time.Ticker
done chan struct{}
}
func (fs *bufferedSink) Write(e *pb.GrpcLogEntry) error {
// Start the write loop when Write is called.
fs.writeStartOnce.Do(fs.startFlushGoroutine)
fs.mu.Lock()
defer fs.mu.Unlock()
if !fs.flusherStarted {
// Start the write loop when Write is called.
fs.startFlushGoroutine()
fs.flusherStarted = true
}
if err := fs.out.Write(e); err != nil {
fs.mu.Unlock()
return err
}
fs.mu.Unlock()
return nil
}
@ -113,7 +117,12 @@ const (
func (fs *bufferedSink) startFlushGoroutine() {
fs.writeTicker = time.NewTicker(bufFlushDuration)
go func() {
for range fs.writeTicker.C {
for {
select {
case <-fs.done:
return
case <-fs.writeTicker.C:
}
fs.mu.Lock()
if err := fs.buf.Flush(); err != nil {
grpclogLogger.Warningf("failed to flush to Sink: %v", err)
@ -124,10 +133,12 @@ func (fs *bufferedSink) startFlushGoroutine() {
}
func (fs *bufferedSink) Close() error {
fs.mu.Lock()
defer fs.mu.Unlock()
if fs.writeTicker != nil {
fs.writeTicker.Stop()
}
fs.mu.Lock()
close(fs.done)
if err := fs.buf.Flush(); err != nil {
grpclogLogger.Warningf("failed to flush to Sink: %v", err)
}
@ -137,7 +148,6 @@ func (fs *bufferedSink) Close() error {
if err := fs.out.Close(); err != nil {
grpclogLogger.Warningf("failed to close the Sink: %v", err)
}
fs.mu.Unlock()
return nil
}
@ -155,5 +165,6 @@ func NewBufferedSink(o io.WriteCloser) Sink {
closer: o,
out: newWriterSink(bufW),
buf: bufW,
done: make(chan struct{}),
}
}

View File

@ -0,0 +1,49 @@
/*
* Copyright 2021 gRPC authors.
*
* 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 credentials
import (
"context"
)
// requestInfoKey is a struct to be used as the key to store RequestInfo in a
// context.
type requestInfoKey struct{}
// NewRequestInfoContext creates a context with ri.
func NewRequestInfoContext(ctx context.Context, ri interface{}) context.Context {
return context.WithValue(ctx, requestInfoKey{}, ri)
}
// RequestInfoFromContext extracts the RequestInfo from ctx.
func RequestInfoFromContext(ctx context.Context) interface{} {
return ctx.Value(requestInfoKey{})
}
// clientHandshakeInfoKey is a struct used as the key to store
// ClientHandshakeInfo in a context.
type clientHandshakeInfoKey struct{}
// ClientHandshakeInfoFromContext extracts the ClientHandshakeInfo from ctx.
func ClientHandshakeInfoFromContext(ctx context.Context) interface{} {
return ctx.Value(clientHandshakeInfoKey{})
}
// NewClientHandshakeInfoContext creates a context with chi.
func NewClientHandshakeInfoContext(ctx context.Context, chi interface{}) context.Context {
return context.WithValue(ctx, clientHandshakeInfoKey{}, chi)
}

View File

@ -31,26 +31,37 @@ var (
mu sync.Mutex
)
// Int implements rand.Int on the grpcrand global source.
func Int() int {
mu.Lock()
defer mu.Unlock()
return r.Int()
}
// Int63n implements rand.Int63n on the grpcrand global source.
func Int63n(n int64) int64 {
mu.Lock()
res := r.Int63n(n)
mu.Unlock()
return res
defer mu.Unlock()
return r.Int63n(n)
}
// Intn implements rand.Intn on the grpcrand global source.
func Intn(n int) int {
mu.Lock()
res := r.Intn(n)
mu.Unlock()
return res
defer mu.Unlock()
return r.Intn(n)
}
// Float64 implements rand.Float64 on the grpcrand global source.
func Float64() float64 {
mu.Lock()
res := r.Float64()
mu.Unlock()
return res
defer mu.Unlock()
return r.Float64()
}
// Uint64 implements rand.Uint64 on the grpcrand global source.
func Uint64() uint64 {
mu.Lock()
defer mu.Unlock()
return r.Uint64()
}

View File

@ -38,12 +38,6 @@ var (
// KeepaliveMinPingTime is the minimum ping interval. This must be 10s by
// default, but tests may wish to set it lower for convenience.
KeepaliveMinPingTime = 10 * time.Second
// NewRequestInfoContext creates a new context based on the argument context attaching
// the passed in RequestInfo to the new context.
NewRequestInfoContext interface{} // func(context.Context, credentials.RequestInfo) context.Context
// NewClientHandshakeInfoContext returns a copy of the input context with
// the passed in ClientHandshakeInfo struct added to it.
NewClientHandshakeInfoContext interface{} // func(context.Context, credentials.ClientHandshakeInfo) context.Context
// ParseServiceConfigForTesting is for creating a fake
// ClientConn for resolver testing only
ParseServiceConfigForTesting interface{} // func(string) *serviceconfig.ParseResult
@ -65,6 +59,11 @@ var (
// gRPC server. An xDS-enabled server needs to know what type of credentials
// is configured on the underlying gRPC server. This is set by server.go.
GetServerCredentials interface{} // func (*grpc.Server) credentials.TransportCredentials
// DrainServerTransports initiates a graceful close of existing connections
// on a gRPC server accepted on the provided listener address. An
// xDS-enabled server invokes this method on a grpc.Server when a particular
// listener moves to "not-serving" mode.
DrainServerTransports interface{} // func(*grpc.Server, string)
)
// HealthChecker defines the signature of the client-side LB channel health checking function.

View File

@ -24,6 +24,7 @@ import (
"sync"
"google.golang.org/grpc/internal/serviceconfig"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/resolver"
)
@ -51,6 +52,74 @@ type RPCConfig struct {
Context context.Context
MethodConfig serviceconfig.MethodConfig // configuration to use for this RPC
OnCommitted func() // Called when the RPC has been committed (retries no longer possible)
Interceptor ClientInterceptor
}
// ClientStream is the same as grpc.ClientStream, but defined here for circular
// dependency reasons.
type ClientStream interface {
// Header returns the header metadata received from the server if there
// is any. It blocks if the metadata is not ready to read.
Header() (metadata.MD, error)
// Trailer returns the trailer metadata from the server, if there is any.
// It must only be called after stream.CloseAndRecv has returned, or
// stream.Recv has returned a non-nil error (including io.EOF).
Trailer() metadata.MD
// CloseSend closes the send direction of the stream. It closes the stream
// when non-nil error is met. It is also not safe to call CloseSend
// concurrently with SendMsg.
CloseSend() error
// Context returns the context for this stream.
//
// It should not be called until after Header or RecvMsg has returned. Once
// called, subsequent client-side retries are disabled.
Context() context.Context
// SendMsg is generally called by generated code. On error, SendMsg aborts
// the stream. If the error was generated by the client, the status is
// returned directly; otherwise, io.EOF is returned and the status of
// the stream may be discovered using RecvMsg.
//
// SendMsg blocks until:
// - There is sufficient flow control to schedule m with the transport, or
// - The stream is done, or
// - The stream breaks.
//
// SendMsg does not wait until the message is received by the server. An
// untimely stream closure may result in lost messages. To ensure delivery,
// users should ensure the RPC completed successfully using RecvMsg.
//
// It is safe to have a goroutine calling SendMsg and another goroutine
// calling RecvMsg on the same stream at the same time, but it is not safe
// to call SendMsg on the same stream in different goroutines. It is also
// not safe to call CloseSend concurrently with SendMsg.
SendMsg(m interface{}) error
// RecvMsg blocks until it receives a message into m or the stream is
// done. It returns io.EOF when the stream completes successfully. On
// any other error, the stream is aborted and the error contains the RPC
// status.
//
// It is safe to have a goroutine calling SendMsg and another goroutine
// calling RecvMsg on the same stream at the same time, but it is not
// safe to call RecvMsg on the same stream in different goroutines.
RecvMsg(m interface{}) error
}
// ClientInterceptor is an interceptor for gRPC client streams.
type ClientInterceptor interface {
// NewStream produces a ClientStream for an RPC which may optionally use
// the provided function to produce a stream for delegation. Note:
// RPCInfo.Context should not be used (will be nil).
//
// done is invoked when the RPC is finished using its connection, or could
// not be assigned a connection. RPC operations may still occur on
// ClientStream after done is called, since the interceptor is invoked by
// application-layer operations. done must never be nil when called.
NewStream(ctx context.Context, ri RPCInfo, done func(), newStream func(ctx context.Context, done func()) (ClientStream, error)) (ClientStream, error)
}
// ServerInterceptor is unimplementable; do not use.
type ServerInterceptor interface {
notDefined()
}
type csKeyType string

View File

@ -34,6 +34,7 @@ import (
grpclbstate "google.golang.org/grpc/balancer/grpclb/state"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal/backoff"
"google.golang.org/grpc/internal/envconfig"
"google.golang.org/grpc/internal/grpcrand"
"google.golang.org/grpc/resolver"
@ -46,6 +47,13 @@ var EnableSRVLookups = false
var logger = grpclog.Component("dns")
// Globals to stub out in tests. TODO: Perhaps these two can be combined into a
// single variable for testing the resolver?
var (
newTimer = time.NewTimer
newTimerDNSResRate = time.NewTimer
)
func init() {
resolver.Register(NewBuilder())
}
@ -143,7 +151,6 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts
d.wg.Add(1)
go d.watcher()
d.ResolveNow(resolver.ResolveNowOptions{})
return d, nil
}
@ -201,28 +208,38 @@ func (d *dnsResolver) Close() {
func (d *dnsResolver) watcher() {
defer d.wg.Done()
backoffIndex := 1
for {
state, err := d.lookup()
if err != nil {
// Report error to the underlying grpc.ClientConn.
d.cc.ReportError(err)
} else {
err = d.cc.UpdateState(*state)
}
var timer *time.Timer
if err == nil {
// Success resolving, wait for the next ResolveNow. However, also wait 30 seconds at the very least
// to prevent constantly re-resolving.
backoffIndex = 1
timer = newTimerDNSResRate(minDNSResRate)
select {
case <-d.ctx.Done():
timer.Stop()
return
case <-d.rn:
}
state, err := d.lookup()
if err != nil {
d.cc.ReportError(err)
} else {
d.cc.UpdateState(*state)
// Poll on an error found in DNS Resolver or an error received from ClientConn.
timer = newTimer(backoff.DefaultExponential.Backoff(backoffIndex))
backoffIndex++
}
// Sleep to prevent excessive re-resolutions. Incoming resolution requests
// will be queued in d.rn.
t := time.NewTimer(minDNSResRate)
select {
case <-t.C:
case <-d.ctx.Done():
t.Stop()
timer.Stop()
return
case <-timer.C:
}
}
}

View File

@ -46,6 +46,22 @@ type BalancerConfig struct {
type intermediateBalancerConfig []map[string]json.RawMessage
// MarshalJSON implements the json.Marshaler interface.
//
// It marshals the balancer and config into a length-1 slice
// ([]map[string]config).
func (bc *BalancerConfig) MarshalJSON() ([]byte, error) {
if bc.Config == nil {
// If config is nil, return empty config `{}`.
return []byte(fmt.Sprintf(`[{%q: %v}]`, bc.Name, "{}")), nil
}
c, err := json.Marshal(bc.Config)
if err != nil {
return nil, err
}
return []byte(fmt.Sprintf(`[{%q: %s}]`, bc.Name, c)), nil
}
// UnmarshalJSON implements the json.Unmarshaler interface.
//
// ServiceConfig contains a list of loadBalancingConfigs, each with a name and

View File

@ -97,7 +97,7 @@ func (s *Status) Err() error {
if s.Code() == codes.OK {
return nil
}
return &Error{e: s.Proto()}
return &Error{s: s}
}
// WithDetails returns a new status with the provided details messages appended to the status.
@ -136,19 +136,23 @@ func (s *Status) Details() []interface{} {
return details
}
func (s *Status) String() string {
return fmt.Sprintf("rpc error: code = %s desc = %s", s.Code(), s.Message())
}
// Error wraps a pointer of a status proto. It implements error and Status,
// and a nil *Error should never be returned by this package.
type Error struct {
e *spb.Status
s *Status
}
func (e *Error) Error() string {
return fmt.Sprintf("rpc error: code = %s desc = %s", codes.Code(e.e.GetCode()), e.e.GetMessage())
return e.s.String()
}
// GRPCStatus returns the Status represented by se.
func (e *Error) GRPCStatus() *Status {
return FromProto(e.e)
return e.s
}
// Is implements future error.Is functionality.
@ -158,5 +162,5 @@ func (e *Error) Is(target error) bool {
if !ok {
return false
}
return proto.Equal(e.e, tse.e)
return proto.Equal(e.s.s, tse.s.s)
}

View File

@ -20,13 +20,17 @@ package transport
import (
"bytes"
"errors"
"fmt"
"runtime"
"strconv"
"sync"
"sync/atomic"
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
"google.golang.org/grpc/internal/grpcutil"
"google.golang.org/grpc/status"
)
var updateHeaderTblSize = func(e *hpack.Encoder, v uint32) {
@ -128,6 +132,14 @@ type cleanupStream struct {
func (c *cleanupStream) isTransportResponseFrame() bool { return c.rst } // Results in a RST_STREAM
type earlyAbortStream struct {
streamID uint32
contentSubtype string
status *status.Status
}
func (*earlyAbortStream) isTransportResponseFrame() bool { return false }
type dataFrame struct {
streamID uint32
endStream bool
@ -284,7 +296,7 @@ type controlBuffer struct {
// closed and nilled when transportResponseFrames drops below the
// threshold. Both fields are protected by mu.
transportResponseFrames int
trfChan atomic.Value // *chan struct{}
trfChan atomic.Value // chan struct{}
}
func newControlBuffer(done <-chan struct{}) *controlBuffer {
@ -298,10 +310,10 @@ func newControlBuffer(done <-chan struct{}) *controlBuffer {
// throttle blocks if there are too many incomingSettings/cleanupStreams in the
// controlbuf.
func (c *controlBuffer) throttle() {
ch, _ := c.trfChan.Load().(*chan struct{})
ch, _ := c.trfChan.Load().(chan struct{})
if ch != nil {
select {
case <-*ch:
case <-ch:
case <-c.done:
}
}
@ -335,8 +347,7 @@ func (c *controlBuffer) executeAndPut(f func(it interface{}) bool, it cbItem) (b
if c.transportResponseFrames == maxQueuedTransportResponseFrames {
// We are adding the frame that puts us over the threshold; create
// a throttling channel.
ch := make(chan struct{})
c.trfChan.Store(&ch)
c.trfChan.Store(make(chan struct{}))
}
}
c.mu.Unlock()
@ -377,9 +388,9 @@ func (c *controlBuffer) get(block bool) (interface{}, error) {
if c.transportResponseFrames == maxQueuedTransportResponseFrames {
// We are removing the frame that put us over the
// threshold; close and clear the throttling channel.
ch := c.trfChan.Load().(*chan struct{})
close(*ch)
c.trfChan.Store((*chan struct{})(nil))
ch := c.trfChan.Load().(chan struct{})
close(ch)
c.trfChan.Store((chan struct{})(nil))
}
c.transportResponseFrames--
}
@ -395,7 +406,6 @@ func (c *controlBuffer) get(block bool) (interface{}, error) {
select {
case <-c.ch:
case <-c.done:
c.finish()
return nil, ErrConnClosing
}
}
@ -420,6 +430,14 @@ func (c *controlBuffer) finish() {
hdr.onOrphaned(ErrConnClosing)
}
}
// In case throttle() is currently in flight, it needs to be unblocked.
// Otherwise, the transport may not close, since the transport is closed by
// the reader encountering the connection error.
ch, _ := c.trfChan.Load().(chan struct{})
if ch != nil {
close(ch)
}
c.trfChan.Store((chan struct{})(nil))
c.mu.Unlock()
}
@ -749,6 +767,24 @@ func (l *loopyWriter) cleanupStreamHandler(c *cleanupStream) error {
return nil
}
func (l *loopyWriter) earlyAbortStreamHandler(eas *earlyAbortStream) error {
if l.side == clientSide {
return errors.New("earlyAbortStream not handled on client")
}
headerFields := []hpack.HeaderField{
{Name: ":status", Value: "200"},
{Name: "content-type", Value: grpcutil.ContentType(eas.contentSubtype)},
{Name: "grpc-status", Value: strconv.Itoa(int(eas.status.Code()))},
{Name: "grpc-message", Value: encodeGrpcMessage(eas.status.Message())},
}
if err := l.writeHeader(eas.streamID, true, headerFields, nil); err != nil {
return err
}
return nil
}
func (l *loopyWriter) incomingGoAwayHandler(*incomingGoAway) error {
if l.side == clientSide {
l.draining = true
@ -787,6 +823,8 @@ func (l *loopyWriter) handle(i interface{}) error {
return l.registerStreamHandler(i)
case *cleanupStream:
return l.cleanupStreamHandler(i)
case *earlyAbortStream:
return l.earlyAbortStreamHandler(i)
case *incomingGoAway:
return l.incomingGoAwayHandler(i)
case *dataFrame:

View File

@ -141,9 +141,8 @@ type serverHandlerTransport struct {
stats stats.Handler
}
func (ht *serverHandlerTransport) Close() error {
func (ht *serverHandlerTransport) Close() {
ht.closeOnce.Do(ht.closeCloseChanOnce)
return nil
}
func (ht *serverHandlerTransport) closeCloseChanOnce() { close(ht.closedCh) }

View File

@ -24,6 +24,7 @@ import (
"io"
"math"
"net"
"net/http"
"strconv"
"strings"
"sync"
@ -32,15 +33,14 @@ import (
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
"google.golang.org/grpc/internal/grpcutil"
imetadata "google.golang.org/grpc/internal/metadata"
"google.golang.org/grpc/internal/transport/networktype"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/internal"
"google.golang.org/grpc/internal/channelz"
icredentials "google.golang.org/grpc/internal/credentials"
"google.golang.org/grpc/internal/grpcutil"
imetadata "google.golang.org/grpc/internal/metadata"
"google.golang.org/grpc/internal/syscall"
"google.golang.org/grpc/internal/transport/networktype"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/peer"
@ -116,6 +116,9 @@ type http2Client struct {
// goAwayReason records the http2.ErrCode and debug data received with the
// GoAway frame.
goAwayReason GoAwayReason
// goAwayDebugMessage contains a detailed human readable string about a
// GoAway frame, useful for error messages.
goAwayDebugMessage string
// A condition variable used to signal when the keepalive goroutine should
// go dormant. The condition for dormancy is based on the number of active
// streams and the `PermitWithoutStream` keepalive client parameter. And
@ -238,9 +241,16 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
// Attributes field of resolver.Address, which is shoved into connectCtx
// and passed to the credential handshaker. This makes it possible for
// address specific arbitrary data to reach the credential handshaker.
contextWithHandshakeInfo := internal.NewClientHandshakeInfoContext.(func(context.Context, credentials.ClientHandshakeInfo) context.Context)
connectCtx = contextWithHandshakeInfo(connectCtx, credentials.ClientHandshakeInfo{Attributes: addr.Attributes})
conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.ServerName, conn)
connectCtx = icredentials.NewClientHandshakeInfoContext(connectCtx, credentials.ClientHandshakeInfo{Attributes: addr.Attributes})
rawConn := conn
// Pull the deadline from the connectCtx, which will be used for
// timeouts in the authentication protocol handshake. Can ignore the
// boolean as the deadline will return the zero value, which will make
// the conn not timeout on I/O operations.
deadline, _ := connectCtx.Deadline()
rawConn.SetDeadline(deadline)
conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.ServerName, rawConn)
rawConn.SetDeadline(time.Time{})
if err != nil {
return nil, connectionErrorf(isTemporary(err), err, "transport: authentication handshake failed: %v", err)
}
@ -347,12 +357,14 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
// Send connection preface to server.
n, err := t.conn.Write(clientPreface)
if err != nil {
t.Close()
return nil, connectionErrorf(true, err, "transport: failed to write client preface: %v", err)
err = connectionErrorf(true, err, "transport: failed to write client preface: %v", err)
t.Close(err)
return nil, err
}
if n != len(clientPreface) {
t.Close()
return nil, connectionErrorf(true, err, "transport: preface mismatch, wrote %d bytes; want %d", n, len(clientPreface))
err = connectionErrorf(true, nil, "transport: preface mismatch, wrote %d bytes; want %d", n, len(clientPreface))
t.Close(err)
return nil, err
}
var ss []http2.Setting
@ -370,14 +382,16 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
}
err = t.framer.fr.WriteSettings(ss...)
if err != nil {
t.Close()
return nil, connectionErrorf(true, err, "transport: failed to write initial settings frame: %v", err)
err = connectionErrorf(true, err, "transport: failed to write initial settings frame: %v", err)
t.Close(err)
return nil, err
}
// Adjust the connection flow control window if needed.
if delta := uint32(icwz - defaultWindowSize); delta > 0 {
if err := t.framer.fr.WriteWindowUpdate(0, delta); err != nil {
t.Close()
return nil, connectionErrorf(true, err, "transport: failed to write window update: %v", err)
err = connectionErrorf(true, err, "transport: failed to write window update: %v", err)
t.Close(err)
return nil, err
}
}
@ -394,11 +408,10 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
logger.Errorf("transport: loopyWriter.run returning. Err: %v", err)
}
}
// If it's a connection error, let reader goroutine handle it
// since there might be data in the buffers.
if _, ok := err.(net.Error); !ok {
// Do not close the transport. Let reader goroutine handle it since
// there might be data in the buffers.
t.conn.Close()
}
t.controlBuf.finish()
close(t.writerDone)
}()
return t, nil
@ -414,6 +427,7 @@ func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream {
buf: newRecvBuffer(),
headerChan: make(chan struct{}),
contentSubtype: callHdr.ContentSubtype,
doneFunc: callHdr.DoneFunc,
}
s.wq = newWriteQuota(defaultWriteQuota, s.done)
s.requestRead = func(n int) {
@ -453,7 +467,7 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
Method: callHdr.Method,
AuthInfo: t.authInfo,
}
ctxWithRequestInfo := internal.NewRequestInfoContext.(func(context.Context, credentials.RequestInfo) context.Context)(ctx, ri)
ctxWithRequestInfo := icredentials.NewRequestInfoContext(ctx, ri)
authData, err := t.getTrAuthData(ctxWithRequestInfo, aud)
if err != nil {
return nil, err
@ -602,26 +616,39 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
return callAuthData, nil
}
// PerformedIOError wraps an error to indicate IO may have been performed
// before the error occurred.
type PerformedIOError struct {
// NewStreamError wraps an error and reports additional information.
type NewStreamError struct {
Err error
DoNotRetry bool
PerformedIO bool
}
// Error implements error.
func (p PerformedIOError) Error() string {
return p.Err.Error()
func (e NewStreamError) Error() string {
return e.Err.Error()
}
// NewStream creates a stream and registers it into the transport as "active"
// streams.
// streams. All non-nil errors returned will be *NewStreamError.
func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Stream, err error) {
defer func() {
if err != nil {
nse, ok := err.(*NewStreamError)
if !ok {
nse = &NewStreamError{Err: err}
}
if len(t.perRPCCreds) > 0 || callHdr.Creds != nil {
// We may have performed I/O in the per-RPC creds callback, so do not
// allow transparent retry.
nse.PerformedIO = true
}
err = nse
}
}()
ctx = peer.NewContext(ctx, t.getPeer())
headerFields, err := t.createHeaderFields(ctx, callHdr)
if err != nil {
// We may have performed I/O in the per-RPC creds callback, so do not
// allow transparent retry.
return nil, PerformedIOError{err}
return nil, err
}
s := t.newStream(ctx, callHdr)
cleanup := func(err error) {
@ -727,7 +754,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea
break
}
if hdrListSizeErr != nil {
return nil, hdrListSizeErr
return nil, &NewStreamError{Err: hdrListSizeErr, DoNotRetry: true}
}
firstTry = false
select {
@ -832,6 +859,9 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.
t.controlBuf.executeAndPut(addBackStreamQuota, cleanup)
// This will unblock write.
close(s.done)
if s.doneFunc != nil {
s.doneFunc()
}
}
// Close kicks off the shutdown process of the transport. This should be called
@ -841,12 +871,12 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.
// This method blocks until the addrConn that initiated this transport is
// re-connected. This happens because t.onClose() begins reconnect logic at the
// addrConn level and blocks until the addrConn is successfully connected.
func (t *http2Client) Close() error {
func (t *http2Client) Close(err error) {
t.mu.Lock()
// Make sure we only Close once.
if t.state == closing {
t.mu.Unlock()
return nil
return
}
// Call t.onClose before setting the state to closing to prevent the client
// from attempting to create new streams ASAP.
@ -862,13 +892,25 @@ func (t *http2Client) Close() error {
t.mu.Unlock()
t.controlBuf.finish()
t.cancel()
err := t.conn.Close()
t.conn.Close()
if channelz.IsOn() {
channelz.RemoveEntry(t.channelzID)
}
// Append info about previous goaways if there were any, since this may be important
// for understanding the root cause for this connection to be closed.
_, goAwayDebugMessage := t.GetGoAwayReason()
var st *status.Status
if len(goAwayDebugMessage) > 0 {
st = status.Newf(codes.Unavailable, "closing transport due to: %v, received prior goaway: %v", err, goAwayDebugMessage)
err = st.Err()
} else {
st = status.New(codes.Unavailable, err.Error())
}
// Notify all active streams.
for _, s := range streams {
t.closeStream(s, ErrConnClosing, false, http2.ErrCodeNo, status.New(codes.Unavailable, ErrConnClosing.Desc), nil, false)
t.closeStream(s, err, false, http2.ErrCodeNo, st, nil, false)
}
if t.statsHandler != nil {
connEnd := &stats.ConnEnd{
@ -876,7 +918,6 @@ func (t *http2Client) Close() error {
}
t.statsHandler.HandleConn(t.ctx, connEnd)
}
return err
}
// GracefulClose sets the state to draining, which prevents new streams from
@ -895,7 +936,7 @@ func (t *http2Client) GracefulClose() {
active := len(t.activeStreams)
t.mu.Unlock()
if active == 0 {
t.Close()
t.Close(ErrConnClosing)
return
}
t.controlBuf.put(&incomingGoAway{})
@ -1141,9 +1182,9 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
}
}
id := f.LastStreamID
if id > 0 && id%2 != 1 {
if id > 0 && id%2 == 0 {
t.mu.Unlock()
t.Close()
t.Close(connectionErrorf(true, nil, "received goaway with non-zero even-numbered numbered stream id: %v", id))
return
}
// A client can receive multiple GoAways from the server (see
@ -1161,7 +1202,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
// If there are multiple GoAways the first one should always have an ID greater than the following ones.
if id > t.prevGoAwayID {
t.mu.Unlock()
t.Close()
t.Close(connectionErrorf(true, nil, "received goaway with stream id: %v, which exceeds stream id of previous goaway: %v", id, t.prevGoAwayID))
return
}
default:
@ -1191,7 +1232,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
active := len(t.activeStreams)
t.mu.Unlock()
if active == 0 {
t.Close()
t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
}
}
@ -1207,12 +1248,17 @@ func (t *http2Client) setGoAwayReason(f *http2.GoAwayFrame) {
t.goAwayReason = GoAwayTooManyPings
}
}
if len(f.DebugData()) == 0 {
t.goAwayDebugMessage = fmt.Sprintf("code: %s", f.ErrCode)
} else {
t.goAwayDebugMessage = fmt.Sprintf("code: %s, debug data: %q", f.ErrCode, string(f.DebugData()))
}
}
func (t *http2Client) GetGoAwayReason() GoAwayReason {
func (t *http2Client) GetGoAwayReason() (GoAwayReason, string) {
t.mu.Lock()
defer t.mu.Unlock()
return t.goAwayReason
return t.goAwayReason, t.goAwayDebugMessage
}
func (t *http2Client) handleWindowUpdate(f *http2.WindowUpdateFrame) {
@ -1239,11 +1285,124 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
return
}
state := &decodeState{}
// Initialize isGRPC value to be !initialHeader, since if a gRPC Response-Headers has already been received, then it means that the peer is speaking gRPC and we are in gRPC mode.
state.data.isGRPC = !initialHeader
if h2code, err := state.decodeHeader(frame); err != nil {
t.closeStream(s, err, true, h2code, status.Convert(err), nil, endStream)
// frame.Truncated is set to true when framer detects that the current header
// list size hits MaxHeaderListSize limit.
if frame.Truncated {
se := status.New(codes.Internal, "peer header list size exceeded limit")
t.closeStream(s, se.Err(), true, http2.ErrCodeFrameSize, se, nil, endStream)
return
}
var (
// If a gRPC Response-Headers has already been received, then it means
// that the peer is speaking gRPC and we are in gRPC mode.
isGRPC = !initialHeader
mdata = make(map[string][]string)
contentTypeErr = "malformed header: missing HTTP content-type"
grpcMessage string
statusGen *status.Status
recvCompress string
httpStatusCode *int
httpStatusErr string
rawStatusCode = codes.Unknown
// headerError is set if an error is encountered while parsing the headers
headerError string
)
if initialHeader {
httpStatusErr = "malformed header: missing HTTP status"
}
for _, hf := range frame.Fields {
switch hf.Name {
case "content-type":
if _, validContentType := grpcutil.ContentSubtype(hf.Value); !validContentType {
contentTypeErr = fmt.Sprintf("transport: received unexpected content-type %q", hf.Value)
break
}
contentTypeErr = ""
mdata[hf.Name] = append(mdata[hf.Name], hf.Value)
isGRPC = true
case "grpc-encoding":
recvCompress = hf.Value
case "grpc-status":
code, err := strconv.ParseInt(hf.Value, 10, 32)
if err != nil {
se := status.New(codes.Internal, fmt.Sprintf("transport: malformed grpc-status: %v", err))
t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
return
}
rawStatusCode = codes.Code(uint32(code))
case "grpc-message":
grpcMessage = decodeGrpcMessage(hf.Value)
case "grpc-status-details-bin":
var err error
statusGen, err = decodeGRPCStatusDetails(hf.Value)
if err != nil {
headerError = fmt.Sprintf("transport: malformed grpc-status-details-bin: %v", err)
}
case ":status":
if hf.Value == "200" {
httpStatusErr = ""
statusCode := 200
httpStatusCode = &statusCode
break
}
c, err := strconv.ParseInt(hf.Value, 10, 32)
if err != nil {
se := status.New(codes.Internal, fmt.Sprintf("transport: malformed http-status: %v", err))
t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
return
}
statusCode := int(c)
httpStatusCode = &statusCode
httpStatusErr = fmt.Sprintf(
"unexpected HTTP status code received from server: %d (%s)",
statusCode,
http.StatusText(statusCode),
)
default:
if isReservedHeader(hf.Name) && !isWhitelistedHeader(hf.Name) {
break
}
v, err := decodeMetadataHeader(hf.Name, hf.Value)
if err != nil {
headerError = fmt.Sprintf("transport: malformed %s: %v", hf.Name, err)
logger.Warningf("Failed to decode metadata header (%q, %q): %v", hf.Name, hf.Value, err)
break
}
mdata[hf.Name] = append(mdata[hf.Name], v)
}
}
if !isGRPC || httpStatusErr != "" {
var code = codes.Internal // when header does not include HTTP status, return INTERNAL
if httpStatusCode != nil {
var ok bool
code, ok = HTTPStatusConvTab[*httpStatusCode]
if !ok {
code = codes.Unknown
}
}
var errs []string
if httpStatusErr != "" {
errs = append(errs, httpStatusErr)
}
if contentTypeErr != "" {
errs = append(errs, contentTypeErr)
}
// Verify the HTTP response is a 200.
se := status.New(code, strings.Join(errs, "; "))
t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
return
}
if headerError != "" {
se := status.New(codes.Internal, headerError)
t.closeStream(s, se.Err(), true, http2.ErrCodeProtocol, se, nil, endStream)
return
}
@ -1278,9 +1437,9 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
// These values can be set without any synchronization because
// stream goroutine will read it only after seeing a closed
// headerChan which we'll close after setting this.
s.recvCompress = state.data.encoding
if len(state.data.mdata) > 0 {
s.header = state.data.mdata
s.recvCompress = recvCompress
if len(mdata) > 0 {
s.header = mdata
}
} else {
// HEADERS frame block carries a Trailers-Only.
@ -1293,9 +1452,13 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
return
}
if statusGen == nil {
statusGen = status.New(rawStatusCode, grpcMessage)
}
// if client received END_STREAM from server while stream was still active, send RST_STREAM
rst := s.getState() == streamActive
t.closeStream(s, io.EOF, rst, http2.ErrCodeNo, state.status(), state.data.mdata, true)
t.closeStream(s, io.EOF, rst, http2.ErrCodeNo, statusGen, mdata, true)
}
// reader runs as a separate goroutine in charge of reading data from network
@ -1309,7 +1472,8 @@ func (t *http2Client) reader() {
// Check the validity of server preface.
frame, err := t.framer.fr.ReadFrame()
if err != nil {
t.Close() // this kicks off resetTransport, so must be last before return
err = connectionErrorf(true, err, "error reading server preface: %v", err)
t.Close(err) // this kicks off resetTransport, so must be last before return
return
}
t.conn.SetReadDeadline(time.Time{}) // reset deadline once we get the settings frame (we didn't time out, yay!)
@ -1318,7 +1482,8 @@ func (t *http2Client) reader() {
}
sf, ok := frame.(*http2.SettingsFrame)
if !ok {
t.Close() // this kicks off resetTransport, so must be last before return
// this kicks off resetTransport, so must be last before return
t.Close(connectionErrorf(true, nil, "initial http2 frame from server is not a settings frame: %T", frame))
return
}
t.onPrefaceReceipt()
@ -1354,7 +1519,7 @@ func (t *http2Client) reader() {
continue
} else {
// Transport error.
t.Close()
t.Close(connectionErrorf(true, err, "error reading from server: %v", err))
return
}
}
@ -1413,7 +1578,7 @@ func (t *http2Client) keepalive() {
continue
}
if outstandingPing && timeoutLeft <= 0 {
t.Close()
t.Close(connectionErrorf(true, nil, "keepalive ping failed to receive ACK within timeout"))
return
}
t.mu.Lock()

View File

@ -26,6 +26,7 @@ import (
"io"
"math"
"net"
"net/http"
"strconv"
"sync"
"sync/atomic"
@ -101,11 +102,11 @@ type http2Server struct {
mu sync.Mutex // guard the following
// drainChan is initialized when drain(...) is called the first time.
// drainChan is initialized when Drain() is called the first time.
// After which the server writes out the first GoAway(with ID 2^31-1) frame.
// Then an independent goroutine will be launched to later send the second GoAway.
// During this time we don't want to write another first GoAway(with ID 2^31 -1) frame.
// Thus call to drain(...) will be a no-op if drainChan is already initialized since draining is
// Thus call to Drain() will be a no-op if drainChan is already initialized since draining is
// already underway.
drainChan chan struct{}
state transportState
@ -124,9 +125,14 @@ type http2Server struct {
connectionID uint64
}
// newHTTP2Server constructs a ServerTransport based on HTTP2. ConnectionError is
// returned if something goes wrong.
func newHTTP2Server(conn net.Conn, config *ServerConfig) (_ ServerTransport, err error) {
// NewServerTransport creates a http2 transport with conn and configuration
// options from config.
//
// It returns a non-nil transport and a nil error on success. On failure, it
// returns a non-nil transport and a nil-error. For a special case where the
// underlying conn gets closed before the client preface could be read, it
// returns a nil transport and a nil error.
func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, err error) {
writeBufSize := config.WriteBufferSize
readBufSize := config.ReadBufferSize
maxHeaderListSize := defaultServerMaxHeaderListSize
@ -265,6 +271,13 @@ func newHTTP2Server(conn net.Conn, config *ServerConfig) (_ ServerTransport, err
// Check the validity of client preface.
preface := make([]byte, len(clientPreface))
if _, err := io.ReadFull(t.conn, preface); err != nil {
// In deployments where a gRPC server runs behind a cloud load balancer
// which performs regular TCP level health checks, the connection is
// closed immediately by the latter. Skipping the error here will help
// reduce log clutter.
if err == io.EOF {
return nil, nil
}
return nil, connectionErrorf(false, err, "transport: http2Server.HandleStreams failed to receive the preface from client: %v", err)
}
if !bytes.Equal(preface, clientPreface) {
@ -294,6 +307,7 @@ func newHTTP2Server(conn net.Conn, config *ServerConfig) (_ ServerTransport, err
}
}
t.conn.Close()
t.controlBuf.finish()
close(t.writerDone)
}()
go t.keepalive()
@ -303,18 +317,16 @@ func newHTTP2Server(conn net.Conn, config *ServerConfig) (_ ServerTransport, err
// operateHeader takes action on the decoded headers.
func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(*Stream), traceCtx func(context.Context, string) context.Context) (fatal bool) {
streamID := frame.Header().StreamID
state := &decodeState{
serverSide: true,
}
if h2code, err := state.decodeHeader(frame); err != nil {
if _, ok := status.FromError(err); ok {
// frame.Truncated is set to true when framer detects that the current header
// list size hits MaxHeaderListSize limit.
if frame.Truncated {
t.controlBuf.put(&cleanupStream{
streamID: streamID,
rst: true,
rstCode: h2code,
rstCode: http2.ErrCodeFrameSize,
onWrite: func() {},
})
}
return false
}
@ -324,16 +336,73 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
st: t,
buf: buf,
fc: &inFlow{limit: uint32(t.initialWindowSize)},
recvCompress: state.data.encoding,
method: state.data.method,
contentSubtype: state.data.contentSubtype,
}
var (
// If a gRPC Response-Headers has already been received, then it means
// that the peer is speaking gRPC and we are in gRPC mode.
isGRPC = false
mdata = make(map[string][]string)
httpMethod string
// headerError is set if an error is encountered while parsing the headers
headerError bool
timeoutSet bool
timeout time.Duration
)
for _, hf := range frame.Fields {
switch hf.Name {
case "content-type":
contentSubtype, validContentType := grpcutil.ContentSubtype(hf.Value)
if !validContentType {
break
}
mdata[hf.Name] = append(mdata[hf.Name], hf.Value)
s.contentSubtype = contentSubtype
isGRPC = true
case "grpc-encoding":
s.recvCompress = hf.Value
case ":method":
httpMethod = hf.Value
case ":path":
s.method = hf.Value
case "grpc-timeout":
timeoutSet = true
var err error
if timeout, err = decodeTimeout(hf.Value); err != nil {
headerError = true
}
default:
if isReservedHeader(hf.Name) && !isWhitelistedHeader(hf.Name) {
break
}
v, err := decodeMetadataHeader(hf.Name, hf.Value)
if err != nil {
headerError = true
logger.Warningf("Failed to decode metadata header (%q, %q): %v", hf.Name, hf.Value, err)
break
}
mdata[hf.Name] = append(mdata[hf.Name], v)
}
}
if !isGRPC || headerError {
t.controlBuf.put(&cleanupStream{
streamID: streamID,
rst: true,
rstCode: http2.ErrCodeProtocol,
onWrite: func() {},
})
return false
}
if frame.StreamEnded() {
// s is just created by the caller. No lock needed.
s.state = streamReadDone
}
if state.data.timeoutSet {
s.ctx, s.cancel = context.WithTimeout(t.ctx, state.data.timeout)
if timeoutSet {
s.ctx, s.cancel = context.WithTimeout(t.ctx, timeout)
} else {
s.ctx, s.cancel = context.WithCancel(t.ctx)
}
@ -346,33 +415,13 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
}
s.ctx = peer.NewContext(s.ctx, pr)
// Attach the received metadata to the context.
if len(state.data.mdata) > 0 {
s.ctx = metadata.NewIncomingContext(s.ctx, state.data.mdata)
if len(mdata) > 0 {
s.ctx = metadata.NewIncomingContext(s.ctx, mdata)
if statsTags := mdata["grpc-tags-bin"]; len(statsTags) > 0 {
s.ctx = stats.SetIncomingTags(s.ctx, []byte(statsTags[len(statsTags)-1]))
}
if state.data.statsTags != nil {
s.ctx = stats.SetIncomingTags(s.ctx, state.data.statsTags)
}
if state.data.statsTrace != nil {
s.ctx = stats.SetIncomingTrace(s.ctx, state.data.statsTrace)
}
if t.inTapHandle != nil {
var err error
info := &tap.Info{
FullMethodName: state.data.method,
}
s.ctx, err = t.inTapHandle(s.ctx, info)
if err != nil {
if logger.V(logLevel) {
logger.Warningf("transport: http2Server.operateHeaders got an error from InTapHandle: %v", err)
}
t.controlBuf.put(&cleanupStream{
streamID: s.id,
rst: true,
rstCode: http2.ErrCodeRefusedStream,
onWrite: func() {},
})
s.cancel()
return false
if statsTrace := mdata["grpc-trace-bin"]; len(statsTrace) > 0 {
s.ctx = stats.SetIncomingTrace(s.ctx, []byte(statsTrace[len(statsTrace)-1]))
}
}
t.mu.Lock()
@ -402,6 +451,39 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
return true
}
t.maxStreamID = streamID
if httpMethod != http.MethodPost {
t.mu.Unlock()
if logger.V(logLevel) {
logger.Infof("transport: http2Server.operateHeaders parsed a :method field: %v which should be POST", httpMethod)
}
t.controlBuf.put(&cleanupStream{
streamID: streamID,
rst: true,
rstCode: http2.ErrCodeProtocol,
onWrite: func() {},
})
s.cancel()
return false
}
if t.inTapHandle != nil {
var err error
if s.ctx, err = t.inTapHandle(s.ctx, &tap.Info{FullMethodName: s.method}); err != nil {
t.mu.Unlock()
if logger.V(logLevel) {
logger.Infof("transport: http2Server.operateHeaders got an error from InTapHandle: %v", err)
}
stat, ok := status.FromError(err)
if !ok {
stat = status.New(codes.PermissionDenied, err.Error())
}
t.controlBuf.put(&earlyAbortStream{
streamID: s.id,
contentSubtype: s.contentSubtype,
status: stat,
})
return false
}
}
t.activeStreams[streamID] = s
if len(t.activeStreams) == 1 {
t.idle = time.Time{}
@ -423,7 +505,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
LocalAddr: t.localAddr,
Compression: s.recvCompress,
WireLength: int(frame.Header().Length),
Header: metadata.MD(state.data.mdata).Copy(),
Header: metadata.MD(mdata).Copy(),
}
t.stats.HandleRPC(s.ctx, inHeader)
}
@ -990,12 +1072,12 @@ func (t *http2Server) keepalive() {
if val <= 0 {
// The connection has been idle for a duration of keepalive.MaxConnectionIdle or more.
// Gracefully close the connection.
t.drain(http2.ErrCodeNo, []byte{})
t.Drain()
return
}
idleTimer.Reset(val)
case <-ageTimer.C:
t.drain(http2.ErrCodeNo, []byte{})
t.Drain()
ageTimer.Reset(t.kp.MaxConnectionAgeGrace)
select {
case <-ageTimer.C:
@ -1049,11 +1131,11 @@ func (t *http2Server) keepalive() {
// Close starts shutting down the http2Server transport.
// TODO(zhaoq): Now the destruction is not blocked on any pending streams. This
// could cause some resource issue. Revisit this later.
func (t *http2Server) Close() error {
func (t *http2Server) Close() {
t.mu.Lock()
if t.state == closing {
t.mu.Unlock()
return errors.New("transport: Close() was already called")
return
}
t.state = closing
streams := t.activeStreams
@ -1061,7 +1143,9 @@ func (t *http2Server) Close() error {
t.mu.Unlock()
t.controlBuf.finish()
close(t.done)
err := t.conn.Close()
if err := t.conn.Close(); err != nil && logger.V(logLevel) {
logger.Infof("transport: error closing conn during Close: %v", err)
}
if channelz.IsOn() {
channelz.RemoveEntry(t.channelzID)
}
@ -1073,7 +1157,6 @@ func (t *http2Server) Close() error {
connEnd := &stats.ConnEnd{}
t.stats.HandleConn(t.ctx, connEnd)
}
return err
}
// deleteStream deletes the stream s from transport's active streams.
@ -1138,17 +1221,13 @@ func (t *http2Server) RemoteAddr() net.Addr {
}
func (t *http2Server) Drain() {
t.drain(http2.ErrCodeNo, []byte{})
}
func (t *http2Server) drain(code http2.ErrCode, debugData []byte) {
t.mu.Lock()
defer t.mu.Unlock()
if t.drainChan != nil {
return
}
t.drainChan = make(chan struct{})
t.controlBuf.put(&goAway{code: code, debugData: debugData, headsUp: true})
t.controlBuf.put(&goAway{code: http2.ErrCodeNo, debugData: []byte{}, headsUp: true})
}
var goAwayPing = &ping{data: [8]byte{1, 6, 1, 8, 0, 3, 3, 9}}

View File

@ -39,7 +39,6 @@ import (
spb "google.golang.org/genproto/googleapis/rpc/status"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal/grpcutil"
"google.golang.org/grpc/status"
)
@ -96,52 +95,6 @@ var (
logger = grpclog.Component("transport")
)
type parsedHeaderData struct {
encoding string
// statusGen caches the stream status received from the trailer the server
// sent. Client side only. Do not access directly. After all trailers are
// parsed, use the status method to retrieve the status.
statusGen *status.Status
// rawStatusCode and rawStatusMsg are set from the raw trailer fields and are not
// intended for direct access outside of parsing.
rawStatusCode *int
rawStatusMsg string
httpStatus *int
// Server side only fields.
timeoutSet bool
timeout time.Duration
method string
// key-value metadata map from the peer.
mdata map[string][]string
statsTags []byte
statsTrace []byte
contentSubtype string
// isGRPC field indicates whether the peer is speaking gRPC (otherwise HTTP).
//
// We are in gRPC mode (peer speaking gRPC) if:
// * We are client side and have already received a HEADER frame that indicates gRPC peer.
// * The header contains valid a content-type, i.e. a string starts with "application/grpc"
// And we should handle error specific to gRPC.
//
// Otherwise (i.e. a content-type string starts without "application/grpc", or does not exist), we
// are in HTTP fallback mode, and should handle error specific to HTTP.
isGRPC bool
grpcErr error
httpErr error
contentTypeErr string
}
// decodeState configures decoding criteria and records the decoded data.
type decodeState struct {
// whether decoding on server side or not
serverSide bool
// Records the states during HPACK decoding. It will be filled with info parsed from HTTP HEADERS
// frame once decodeHeader function has been invoked and returned.
data parsedHeaderData
}
// isReservedHeader checks whether hdr belongs to HTTP2 headers
// reserved by gRPC protocol. Any other headers are classified as the
// user-specified metadata.
@ -179,14 +132,6 @@ func isWhitelistedHeader(hdr string) bool {
}
}
func (d *decodeState) status() *status.Status {
if d.data.statusGen == nil {
// No status-details were provided; generate status using code/msg.
d.data.statusGen = status.New(codes.Code(int32(*(d.data.rawStatusCode))), d.data.rawStatusMsg)
}
return d.data.statusGen
}
const binHdrSuffix = "-bin"
func encodeBinHeader(v []byte) string {
@ -216,166 +161,16 @@ func decodeMetadataHeader(k, v string) (string, error) {
return v, nil
}
func (d *decodeState) decodeHeader(frame *http2.MetaHeadersFrame) (http2.ErrCode, error) {
// frame.Truncated is set to true when framer detects that the current header
// list size hits MaxHeaderListSize limit.
if frame.Truncated {
return http2.ErrCodeFrameSize, status.Error(codes.Internal, "peer header list size exceeded limit")
}
for _, hf := range frame.Fields {
d.processHeaderField(hf)
}
if d.data.isGRPC {
if d.data.grpcErr != nil {
return http2.ErrCodeProtocol, d.data.grpcErr
}
if d.serverSide {
return http2.ErrCodeNo, nil
}
if d.data.rawStatusCode == nil && d.data.statusGen == nil {
// gRPC status doesn't exist.
// Set rawStatusCode to be unknown and return nil error.
// So that, if the stream has ended this Unknown status
// will be propagated to the user.
// Otherwise, it will be ignored. In which case, status from
// a later trailer, that has StreamEnded flag set, is propagated.
code := int(codes.Unknown)
d.data.rawStatusCode = &code
}
return http2.ErrCodeNo, nil
}
// HTTP fallback mode
if d.data.httpErr != nil {
return http2.ErrCodeProtocol, d.data.httpErr
}
var (
code = codes.Internal // when header does not include HTTP status, return INTERNAL
ok bool
)
if d.data.httpStatus != nil {
code, ok = HTTPStatusConvTab[*(d.data.httpStatus)]
if !ok {
code = codes.Unknown
}
}
return http2.ErrCodeProtocol, status.Error(code, d.constructHTTPErrMsg())
}
// constructErrMsg constructs error message to be returned in HTTP fallback mode.
// Format: HTTP status code and its corresponding message + content-type error message.
func (d *decodeState) constructHTTPErrMsg() string {
var errMsgs []string
if d.data.httpStatus == nil {
errMsgs = append(errMsgs, "malformed header: missing HTTP status")
} else {
errMsgs = append(errMsgs, fmt.Sprintf("%s: HTTP status code %d", http.StatusText(*(d.data.httpStatus)), *d.data.httpStatus))
}
if d.data.contentTypeErr == "" {
errMsgs = append(errMsgs, "transport: missing content-type field")
} else {
errMsgs = append(errMsgs, d.data.contentTypeErr)
}
return strings.Join(errMsgs, "; ")
}
func (d *decodeState) addMetadata(k, v string) {
if d.data.mdata == nil {
d.data.mdata = make(map[string][]string)
}
d.data.mdata[k] = append(d.data.mdata[k], v)
}
func (d *decodeState) processHeaderField(f hpack.HeaderField) {
switch f.Name {
case "content-type":
contentSubtype, validContentType := grpcutil.ContentSubtype(f.Value)
if !validContentType {
d.data.contentTypeErr = fmt.Sprintf("transport: received the unexpected content-type %q", f.Value)
return
}
d.data.contentSubtype = contentSubtype
// TODO: do we want to propagate the whole content-type in the metadata,
// or come up with a way to just propagate the content-subtype if it was set?
// ie {"content-type": "application/grpc+proto"} or {"content-subtype": "proto"}
// in the metadata?
d.addMetadata(f.Name, f.Value)
d.data.isGRPC = true
case "grpc-encoding":
d.data.encoding = f.Value
case "grpc-status":
code, err := strconv.Atoi(f.Value)
func decodeGRPCStatusDetails(rawDetails string) (*status.Status, error) {
v, err := decodeBinHeader(rawDetails)
if err != nil {
d.data.grpcErr = status.Errorf(codes.Internal, "transport: malformed grpc-status: %v", err)
return
return nil, err
}
d.data.rawStatusCode = &code
case "grpc-message":
d.data.rawStatusMsg = decodeGrpcMessage(f.Value)
case "grpc-status-details-bin":
v, err := decodeBinHeader(f.Value)
if err != nil {
d.data.grpcErr = status.Errorf(codes.Internal, "transport: malformed grpc-status-details-bin: %v", err)
return
}
s := &spb.Status{}
if err := proto.Unmarshal(v, s); err != nil {
d.data.grpcErr = status.Errorf(codes.Internal, "transport: malformed grpc-status-details-bin: %v", err)
return
}
d.data.statusGen = status.FromProto(s)
case "grpc-timeout":
d.data.timeoutSet = true
var err error
if d.data.timeout, err = decodeTimeout(f.Value); err != nil {
d.data.grpcErr = status.Errorf(codes.Internal, "transport: malformed time-out: %v", err)
}
case ":path":
d.data.method = f.Value
case ":status":
code, err := strconv.Atoi(f.Value)
if err != nil {
d.data.httpErr = status.Errorf(codes.Internal, "transport: malformed http-status: %v", err)
return
}
d.data.httpStatus = &code
case "grpc-tags-bin":
v, err := decodeBinHeader(f.Value)
if err != nil {
d.data.grpcErr = status.Errorf(codes.Internal, "transport: malformed grpc-tags-bin: %v", err)
return
}
d.data.statsTags = v
d.addMetadata(f.Name, string(v))
case "grpc-trace-bin":
v, err := decodeBinHeader(f.Value)
if err != nil {
d.data.grpcErr = status.Errorf(codes.Internal, "transport: malformed grpc-trace-bin: %v", err)
return
}
d.data.statsTrace = v
d.addMetadata(f.Name, string(v))
default:
if isReservedHeader(f.Name) && !isWhitelistedHeader(f.Name) {
break
}
v, err := decodeMetadataHeader(f.Name, f.Value)
if err != nil {
if logger.V(logLevel) {
logger.Errorf("Failed to decode metadata header (%q, %q): %v", f.Name, f.Value, err)
}
return
}
d.addMetadata(f.Name, v)
st := &spb.Status{}
if err = proto.Unmarshal(v, st); err != nil {
return nil, err
}
return status.FromProto(st), nil
}
type timeoutUnit uint8

View File

@ -17,7 +17,7 @@
*/
// Package networktype declares the network type to be used in the default
// dailer. Attribute of a resolver.Address.
// dialer. Attribute of a resolver.Address.
package networktype
import (

View File

@ -241,6 +241,7 @@ type Stream struct {
ctx context.Context // the associated context of the stream
cancel context.CancelFunc // always nil for client side Stream
done chan struct{} // closed at the end of stream to unblock writers. On the client side.
doneFunc func() // invoked at the end of stream on client side.
ctxDone <-chan struct{} // same as done chan but for server side. Cache of ctx.Done() (for performance)
method string // the associated RPC method of the stream
recvCompress string
@ -531,12 +532,6 @@ type ServerConfig struct {
HeaderTableSize *uint32
}
// NewServerTransport creates a ServerTransport with conn or non-nil error
// if it fails.
func NewServerTransport(protocol string, conn net.Conn, config *ServerConfig) (ServerTransport, error) {
return newHTTP2Server(conn, config)
}
// ConnectOptions covers all relevant options for communicating with the server.
type ConnectOptions struct {
// UserAgent is the application user agent.
@ -611,6 +606,8 @@ type CallHdr struct {
ContentSubtype string
PreviousAttempts int // value of grpc-previous-rpc-attempts header to set
DoneFunc func() // called when the stream is finished
}
// ClientTransport is the common interface for all gRPC client-side transport
@ -619,7 +616,7 @@ type ClientTransport interface {
// Close tears down this transport. Once it returns, the transport
// should not be accessed any more. The caller must make sure this
// is called only once.
Close() error
Close(err error)
// GracefulClose starts to tear down the transport: the transport will stop
// accepting new RPCs and NewStream will return error. Once all streams are
@ -653,8 +650,9 @@ type ClientTransport interface {
// HTTP/2).
GoAway() <-chan struct{}
// GetGoAwayReason returns the reason why GoAway frame was received.
GetGoAwayReason() GoAwayReason
// GetGoAwayReason returns the reason why GoAway frame was received, along
// with a human readable string with debug info.
GetGoAwayReason() (GoAwayReason, string)
// RemoteAddr returns the remote network address.
RemoteAddr() net.Addr
@ -690,7 +688,7 @@ type ServerTransport interface {
// Close tears down the transport. Once it is called, the transport
// should not be accessed any more. All the pending streams and their
// handlers will be terminated asynchronously.
Close() error
Close()
// RemoteAddr returns the remote network address.
RemoteAddr() net.Addr

View File

@ -0,0 +1,40 @@
/*
* Copyright 2021 gRPC authors.
*
* 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 internal
import (
"google.golang.org/grpc/attributes"
"google.golang.org/grpc/resolver"
)
// handshakeClusterNameKey is the type used as the key to store cluster name in
// the Attributes field of resolver.Address.
type handshakeClusterNameKey struct{}
// SetXDSHandshakeClusterName returns a copy of addr in which the Attributes field
// is updated with the cluster name.
func SetXDSHandshakeClusterName(addr resolver.Address, clusterName string) resolver.Address {
addr.Attributes = addr.Attributes.WithValues(handshakeClusterNameKey{}, clusterName)
return addr
}
// GetXDSHandshakeClusterName returns cluster name stored in attr.
func GetXDSHandshakeClusterName(attr *attributes.Attributes) (string, bool) {
v := attr.Value(handshakeClusterNameKey{})
name, ok := v.(string)
return name, ok
}

View File

@ -75,13 +75,9 @@ func Pairs(kv ...string) MD {
panic(fmt.Sprintf("metadata: Pairs got the odd number of input pairs for metadata: %d", len(kv)))
}
md := MD{}
var key string
for i, s := range kv {
if i%2 == 0 {
key = strings.ToLower(s)
continue
}
md[key] = append(md[key], s)
for i := 0; i < len(kv); i += 2 {
key := strings.ToLower(kv[i])
md[key] = append(md[key], kv[i+1])
}
return md
}
@ -97,12 +93,16 @@ func (md MD) Copy() MD {
}
// Get obtains the values for a given key.
//
// k is converted to lowercase before searching in md.
func (md MD) Get(k string) []string {
k = strings.ToLower(k)
return md[k]
}
// Set sets the value of a given key with a slice of values.
//
// k is converted to lowercase before storing in md.
func (md MD) Set(k string, vals ...string) {
if len(vals) == 0 {
return
@ -111,7 +111,10 @@ func (md MD) Set(k string, vals ...string) {
md[k] = vals
}
// Append adds the values to key k, not overwriting what was already stored at that key.
// Append adds the values to key k, not overwriting what was already stored at
// that key.
//
// k is converted to lowercase before storing in md.
func (md MD) Append(k string, vals ...string) {
if len(vals) == 0 {
return
@ -120,9 +123,17 @@ func (md MD) Append(k string, vals ...string) {
md[k] = append(md[k], vals...)
}
// Delete removes the values for a given key k which is converted to lowercase
// before removing it from md.
func (md MD) Delete(k string) {
k = strings.ToLower(k)
delete(md, k)
}
// Join joins any number of mds into a single MD.
// The order of values for each key is determined by the order in which
// the mds containing those values are presented to Join.
//
// The order of values for each key is determined by the order in which the mds
// containing those values are presented to Join.
func Join(mds ...MD) MD {
out := MD{}
for _, md := range mds {
@ -149,8 +160,8 @@ func NewOutgoingContext(ctx context.Context, md MD) context.Context {
}
// AppendToOutgoingContext returns a new context with the provided kv merged
// with any existing metadata in the context. Please refer to the
// documentation of Pairs for a description of kv.
// with any existing metadata in the context. Please refer to the documentation
// of Pairs for a description of kv.
func AppendToOutgoingContext(ctx context.Context, kv ...string) context.Context {
if len(kv)%2 == 1 {
panic(fmt.Sprintf("metadata: AppendToOutgoingContext got an odd number of input pairs for metadata: %d", len(kv)))
@ -163,20 +174,34 @@ func AppendToOutgoingContext(ctx context.Context, kv ...string) context.Context
return context.WithValue(ctx, mdOutgoingKey{}, rawMD{md: md.md, added: added})
}
// FromIncomingContext returns the incoming metadata in ctx if it exists. The
// returned MD should not be modified. Writing to it may cause races.
// Modification should be made to copies of the returned MD.
func FromIncomingContext(ctx context.Context) (md MD, ok bool) {
md, ok = ctx.Value(mdIncomingKey{}).(MD)
return
// FromIncomingContext returns the incoming metadata in ctx if it exists.
//
// All keys in the returned MD are lowercase.
func FromIncomingContext(ctx context.Context) (MD, bool) {
md, ok := ctx.Value(mdIncomingKey{}).(MD)
if !ok {
return nil, false
}
out := MD{}
for k, v := range md {
// We need to manually convert all keys to lower case, because MD is a
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
key := strings.ToLower(k)
out[key] = v
}
return out, true
}
// FromOutgoingContextRaw returns the un-merged, intermediary contents
// of rawMD. Remember to perform strings.ToLower on the keys. The returned
// MD should not be modified. Writing to it may cause races. Modification
// should be made to copies of the returned MD.
// FromOutgoingContextRaw returns the un-merged, intermediary contents of rawMD.
//
// This is intended for gRPC-internal use ONLY.
// Remember to perform strings.ToLower on the keys, for both the returned MD (MD
// is a map, there's no guarantee it's created using our helper functions) and
// the extra kv pairs (AppendToOutgoingContext doesn't turn them into
// lowercase).
//
// This is intended for gRPC-internal use ONLY. Users should use
// FromOutgoingContext instead.
func FromOutgoingContextRaw(ctx context.Context) (MD, [][]string, bool) {
raw, ok := ctx.Value(mdOutgoingKey{}).(rawMD)
if !ok {
@ -186,21 +211,34 @@ func FromOutgoingContextRaw(ctx context.Context) (MD, [][]string, bool) {
return raw.md, raw.added, true
}
// FromOutgoingContext returns the outgoing metadata in ctx if it exists. The
// returned MD should not be modified. Writing to it may cause races.
// Modification should be made to copies of the returned MD.
// FromOutgoingContext returns the outgoing metadata in ctx if it exists.
//
// All keys in the returned MD are lowercase.
func FromOutgoingContext(ctx context.Context) (MD, bool) {
raw, ok := ctx.Value(mdOutgoingKey{}).(rawMD)
if !ok {
return nil, false
}
mds := make([]MD, 0, len(raw.added)+1)
mds = append(mds, raw.md)
for _, vv := range raw.added {
mds = append(mds, Pairs(vv...))
out := MD{}
for k, v := range raw.md {
// We need to manually convert all keys to lower case, because MD is a
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
key := strings.ToLower(k)
out[key] = v
}
return Join(mds...), ok
for _, added := range raw.added {
if len(added)%2 == 1 {
panic(fmt.Sprintf("metadata: FromOutgoingContext got an odd number of input pairs for metadata: %d", len(added)))
}
for i := 0; i < len(added); i += 2 {
key := strings.ToLower(added[i])
out[key] = append(out[key], added[i+1])
}
}
return out, ok
}
type rawMD struct {

View File

@ -147,7 +147,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
logger.Error("subconn returned from pick is not *acBalancerWrapper")
continue
}
if t, ok := acw.getAddrConn().getReadyTransport(); ok {
if t := acw.getAddrConn().getReadyTransport(); t != nil {
if channelz.IsOn() {
return t, doneChannelzWrapper(acw, pickResult.Done), nil
}

View File

@ -84,7 +84,7 @@ func (b *pickfirstBalancer) UpdateClientConnState(cs balancer.ClientConnState) e
b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.Idle, Picker: &picker{result: balancer.PickResult{SubConn: b.sc}}})
b.sc.Connect()
} else {
b.sc.UpdateAddresses(cs.ResolverState.Addresses)
b.cc.UpdateAddresses(b.sc, cs.ResolverState.Addresses)
b.sc.Connect()
}
return nil

View File

@ -40,16 +40,14 @@ echo "go install cmd/protoc-gen-go-grpc"
echo "git clone https://github.com/grpc/grpc-proto"
git clone --quiet https://github.com/grpc/grpc-proto ${WORKDIR}/grpc-proto
echo "git clone https://github.com/protocolbuffers/protobuf"
git clone --quiet https://github.com/protocolbuffers/protobuf ${WORKDIR}/protobuf
# Pull in code.proto as a proto dependency
mkdir -p ${WORKDIR}/googleapis/google/rpc
echo "curl https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto"
curl --silent https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto > ${WORKDIR}/googleapis/google/rpc/code.proto
# Pull in the MeshCA service proto.
mkdir -p ${WORKDIR}/istio/istio/google/security/meshca/v1
echo "curl https://raw.githubusercontent.com/istio/istio/master/security/proto/providers/google/meshca.proto"
curl --silent https://raw.githubusercontent.com/istio/istio/master/security/proto/providers/google/meshca.proto > ${WORKDIR}/istio/istio/google/security/meshca/v1/meshca.proto
mkdir -p ${WORKDIR}/out
# Generates sources without the embed requirement
@ -73,7 +71,6 @@ SOURCES=(
${WORKDIR}/grpc-proto/grpc/service_config/service_config.proto
${WORKDIR}/grpc-proto/grpc/testing/*.proto
${WORKDIR}/grpc-proto/grpc/core/*.proto
${WORKDIR}/istio/istio/google/security/meshca/v1/meshca.proto
)
# These options of the form 'Mfoo.proto=bar' instruct the codegen to use an
@ -87,6 +84,7 @@ for src in ${SOURCES[@]}; do
-I"." \
-I${WORKDIR}/grpc-proto \
-I${WORKDIR}/googleapis \
-I${WORKDIR}/protobuf/src \
-I${WORKDIR}/istio \
${src}
done
@ -97,6 +95,7 @@ for src in ${LEGACY_SOURCES[@]}; do
-I"." \
-I${WORKDIR}/grpc-proto \
-I${WORKDIR}/googleapis \
-I${WORKDIR}/protobuf/src \
-I${WORKDIR}/istio \
${src}
done
@ -117,8 +116,4 @@ mv ${WORKDIR}/out/grpc/service_config/service_config.pb.go internal/proto/grpc_s
mv ${WORKDIR}/out/grpc/testing/*.pb.go interop/grpc_testing/
mv ${WORKDIR}/out/grpc/core/*.pb.go interop/grpc_testing/core/
# istio/google/security/meshca/v1/meshca.proto does not have a go_package option.
mkdir -p ${WORKDIR}/out/google.golang.org/grpc/credentials/tls/certprovider/meshca/internal/v1/
mv ${WORKDIR}/out/istio/google/security/meshca/v1/* ${WORKDIR}/out/google.golang.org/grpc/credentials/tls/certprovider/meshca/internal/v1/
cp -R ${WORKDIR}/out/google.golang.org/grpc/* .

View File

@ -181,7 +181,7 @@ type State struct {
// gRPC to add new methods to this interface.
type ClientConn interface {
// UpdateState updates the state of the ClientConn appropriately.
UpdateState(State)
UpdateState(State) error
// ReportError notifies the ClientConn that the Resolver encountered an
// error. The ClientConn will notify the load balancer and begin calling
// ResolveNow on the Resolver with exponential backoff.

View File

@ -22,7 +22,6 @@ import (
"fmt"
"strings"
"sync"
"time"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/credentials"
@ -41,8 +40,7 @@ type ccResolverWrapper struct {
done *grpcsync.Event
curState resolver.State
pollingMu sync.Mutex
polling chan struct{}
incomingMu sync.Mutex // Synchronizes all the incoming calls.
}
// newCCResolverWrapper uses the resolver.Builder to build a Resolver and
@ -93,71 +91,37 @@ func (ccr *ccResolverWrapper) close() {
ccr.resolverMu.Unlock()
}
// poll begins or ends asynchronous polling of the resolver based on whether
// err is ErrBadResolverState.
func (ccr *ccResolverWrapper) poll(err error) {
ccr.pollingMu.Lock()
defer ccr.pollingMu.Unlock()
if err != balancer.ErrBadResolverState {
// stop polling
if ccr.polling != nil {
close(ccr.polling)
ccr.polling = nil
}
return
}
if ccr.polling != nil {
// already polling
return
}
p := make(chan struct{})
ccr.polling = p
go func() {
for i := 0; ; i++ {
ccr.resolveNow(resolver.ResolveNowOptions{})
t := time.NewTimer(ccr.cc.dopts.resolveNowBackoff(i))
select {
case <-p:
t.Stop()
return
case <-ccr.done.Done():
// Resolver has been closed.
t.Stop()
return
case <-t.C:
select {
case <-p:
return
default:
}
// Timer expired; re-resolve.
}
}
}()
}
func (ccr *ccResolverWrapper) UpdateState(s resolver.State) {
func (ccr *ccResolverWrapper) UpdateState(s resolver.State) error {
ccr.incomingMu.Lock()
defer ccr.incomingMu.Unlock()
if ccr.done.HasFired() {
return
return nil
}
channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: sending update to cc: %v", s)
if channelz.IsOn() {
ccr.addChannelzTraceEvent(s)
}
ccr.curState = s
ccr.poll(ccr.cc.updateResolverState(ccr.curState, nil))
if err := ccr.cc.updateResolverState(ccr.curState, nil); err == balancer.ErrBadResolverState {
return balancer.ErrBadResolverState
}
return nil
}
func (ccr *ccResolverWrapper) ReportError(err error) {
ccr.incomingMu.Lock()
defer ccr.incomingMu.Unlock()
if ccr.done.HasFired() {
return
}
channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: reporting error to cc: %v", err)
ccr.poll(ccr.cc.updateResolverState(resolver.State{}, err))
ccr.cc.updateResolverState(resolver.State{}, err)
}
// NewAddress is called by the resolver implementation to send addresses to gRPC.
func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
ccr.incomingMu.Lock()
defer ccr.incomingMu.Unlock()
if ccr.done.HasFired() {
return
}
@ -166,12 +130,14 @@ func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
ccr.addChannelzTraceEvent(resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig})
}
ccr.curState.Addresses = addrs
ccr.poll(ccr.cc.updateResolverState(ccr.curState, nil))
ccr.cc.updateResolverState(ccr.curState, nil)
}
// NewServiceConfig is called by the resolver implementation to send service
// configs to gRPC.
func (ccr *ccResolverWrapper) NewServiceConfig(sc string) {
ccr.incomingMu.Lock()
defer ccr.incomingMu.Unlock()
if ccr.done.HasFired() {
return
}
@ -183,14 +149,13 @@ func (ccr *ccResolverWrapper) NewServiceConfig(sc string) {
scpr := parseServiceConfig(sc)
if scpr.Err != nil {
channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: error parsing service config: %v", scpr.Err)
ccr.poll(balancer.ErrBadResolverState)
return
}
if channelz.IsOn() {
ccr.addChannelzTraceEvent(resolver.State{Addresses: ccr.curState.Addresses, ServiceConfig: scpr})
}
ccr.curState.ServiceConfig = scpr
ccr.poll(ccr.cc.updateResolverState(ccr.curState, nil))
ccr.cc.updateResolverState(ccr.curState, nil)
}
func (ccr *ccResolverWrapper) ParseServiceConfig(scJSON string) *serviceconfig.ParseResult {

View File

@ -258,7 +258,8 @@ func (o PeerCallOption) after(c *callInfo, attempt *csAttempt) {
}
// WaitForReady configures the action to take when an RPC is attempted on broken
// connections or unreachable servers. If waitForReady is false, the RPC will fail
// connections or unreachable servers. If waitForReady is false and the
// connection is in the TRANSIENT_FAILURE state, the RPC will fail
// immediately. Otherwise, the RPC client will block the call until a
// connection is available (or the call is canceled or times out) and will
// retry the call if it fails due to a transient error. gRPC will not retry if
@ -429,9 +430,10 @@ func (o ContentSubtypeCallOption) before(c *callInfo) error {
}
func (o ContentSubtypeCallOption) after(c *callInfo, attempt *csAttempt) {}
// ForceCodec returns a CallOption that will set the given Codec to be
// used for all request and response messages for a call. The result of calling
// String() will be used as the content-subtype in a case-insensitive manner.
// ForceCodec returns a CallOption that will set codec to be used for all
// request and response messages for a call. The result of calling Name() will
// be used as the content-subtype after converting to lowercase, unless
// CallContentSubtype is also used.
//
// See Content-Type on
// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
@ -827,33 +829,45 @@ func Errorf(c codes.Code, format string, a ...interface{}) error {
// toRPCErr converts an error into an error from the status package.
func toRPCErr(err error) error {
if err == nil || err == io.EOF {
return err
}
if err == io.ErrUnexpectedEOF {
return status.Error(codes.Internal, err.Error())
}
if _, ok := status.FromError(err); ok {
return err
}
switch e := err.(type) {
case transport.ConnectionError:
return status.Error(codes.Unavailable, e.Desc)
default:
switch err {
case nil, io.EOF:
return err
case context.DeadlineExceeded:
return status.Error(codes.DeadlineExceeded, err.Error())
case context.Canceled:
return status.Error(codes.Canceled, err.Error())
case io.ErrUnexpectedEOF:
return status.Error(codes.Internal, err.Error())
}
switch e := err.(type) {
case transport.ConnectionError:
return status.Error(codes.Unavailable, e.Desc)
case *transport.NewStreamError:
return toRPCErr(e.Err)
}
if _, ok := status.FromError(err); ok {
return err
}
return status.Error(codes.Unknown, err.Error())
}
// setCallInfoCodec should only be called after CallOptions have been applied.
func setCallInfoCodec(c *callInfo) error {
if c.codec != nil {
// codec was already set by a CallOption; use it.
// codec was already set by a CallOption; use it, but set the content
// subtype if it is not set.
if c.contentSubtype == "" {
// c.codec is a baseCodec to hide the difference between grpc.Codec and
// encoding.Codec (Name vs. String method name). We only support
// setting content subtype from encoding.Codec to avoid a behavior
// change with the deprecated version.
if ec, ok := c.codec.(encoding.Codec); ok {
c.contentSubtype = strings.ToLower(ec.Name())
}
}
return nil
}
@ -888,8 +902,7 @@ type channelzData struct {
// buffer files to ensure compatibility with the gRPC version used. The latest
// support package version is 7.
//
// Older versions are kept for compatibility. They may be removed if
// compatibility cannot be maintained.
// Older versions are kept for compatibility.
//
// These constants should not be referenced from any other code.
const (

View File

@ -57,12 +57,22 @@ import (
const (
defaultServerMaxReceiveMessageSize = 1024 * 1024 * 4
defaultServerMaxSendMessageSize = math.MaxInt32
// Server transports are tracked in a map which is keyed on listener
// address. For regular gRPC traffic, connections are accepted in Serve()
// through a call to Accept(), and we use the actual listener address as key
// when we add it to the map. But for connections received through
// ServeHTTP(), we do not have a listener and hence use this dummy value.
listenerAddressForServeHTTP = "listenerAddressForServeHTTP"
)
func init() {
internal.GetServerCredentials = func(srv *Server) credentials.TransportCredentials {
return srv.opts.creds
}
internal.DrainServerTransports = func(srv *Server, addr string) {
srv.drainServerTransports(addr)
}
}
var statusOK = status.New(codes.OK, "")
@ -109,7 +119,10 @@ type Server struct {
mu sync.Mutex // guards following
lis map[net.Listener]bool
conns map[transport.ServerTransport]bool
// conns contains all active server transports. It is a map keyed on a
// listener address with the value being the set of active transports
// belonging to that listener.
conns map[string]map[transport.ServerTransport]bool
serve bool
drain bool
cv *sync.Cond // signaled when connections close for GracefulStop
@ -266,6 +279,35 @@ func CustomCodec(codec Codec) ServerOption {
})
}
// ForceServerCodec returns a ServerOption that sets a codec for message
// marshaling and unmarshaling.
//
// This will override any lookups by content-subtype for Codecs registered
// with RegisterCodec.
//
// See Content-Type on
// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for
// more details. Also see the documentation on RegisterCodec and
// CallContentSubtype for more details on the interaction between encoding.Codec
// and content-subtype.
//
// This function is provided for advanced users; prefer to register codecs
// using encoding.RegisterCodec.
// The server will automatically use registered codecs based on the incoming
// requests' headers. See also
// https://github.com/grpc/grpc-go/blob/master/Documentation/encoding.md#using-a-codec.
// Will be supported throughout 1.x.
//
// Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
func ForceServerCodec(codec encoding.Codec) ServerOption {
return newFuncServerOption(func(o *serverOptions) {
o.codec = codec
})
}
// RPCCompressor returns a ServerOption that sets a compressor for outbound
// messages. For backward compatibility, all outbound messages will be sent
// using this compressor, regardless of incoming message compression. By
@ -376,6 +418,11 @@ func ChainStreamInterceptor(interceptors ...StreamServerInterceptor) ServerOptio
// InTapHandle returns a ServerOption that sets the tap handle for all the server
// transport to be created. Only one can be installed.
//
// Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
func InTapHandle(h tap.ServerInHandle) ServerOption {
return newFuncServerOption(func(o *serverOptions) {
if o.inTapHandle != nil {
@ -519,7 +566,7 @@ func NewServer(opt ...ServerOption) *Server {
s := &Server{
lis: make(map[net.Listener]bool),
opts: opts,
conns: make(map[transport.ServerTransport]bool),
conns: make(map[string]map[transport.ServerTransport]bool),
services: make(map[string]*serviceInfo),
quit: grpcsync.NewEvent(),
done: grpcsync.NewEvent(),
@ -778,7 +825,7 @@ func (s *Server) Serve(lis net.Listener) error {
// s.conns before this conn can be added.
s.serveWG.Add(1)
go func() {
s.handleRawConn(rawConn)
s.handleRawConn(lis.Addr().String(), rawConn)
s.serveWG.Done()
}()
}
@ -786,7 +833,7 @@ func (s *Server) Serve(lis net.Listener) error {
// handleRawConn forks a goroutine to handle a just-accepted connection that
// has not had any I/O performed on it yet.
func (s *Server) handleRawConn(rawConn net.Conn) {
func (s *Server) handleRawConn(lisAddr string, rawConn net.Conn) {
if s.quit.HasFired() {
rawConn.Close()
return
@ -797,10 +844,16 @@ func (s *Server) handleRawConn(rawConn net.Conn) {
// ErrConnDispatched means that the connection was dispatched away from
// gRPC; those connections should be left open.
if err != credentials.ErrConnDispatched {
// In deployments where a gRPC server runs behind a cloud load
// balancer which performs regular TCP level health checks, the
// connection is closed immediately by the latter. Skipping the
// error here will help reduce log clutter.
if err != io.EOF {
s.mu.Lock()
s.errorf("ServerHandshake(%q) failed: %v", rawConn.RemoteAddr(), err)
s.mu.Unlock()
channelz.Warningf(logger, s.channelzID, "grpc: Server.Serve failed to complete security handshake from %q: %v", rawConn.RemoteAddr(), err)
}
rawConn.Close()
}
rawConn.SetDeadline(time.Time{})
@ -810,19 +863,29 @@ func (s *Server) handleRawConn(rawConn net.Conn) {
// Finish handshaking (HTTP2)
st := s.newHTTP2Transport(conn, authInfo)
if st == nil {
conn.Close()
return
}
rawConn.SetDeadline(time.Time{})
if !s.addConn(st) {
if !s.addConn(lisAddr, st) {
return
}
go func() {
s.serveStreams(st)
s.removeConn(st)
s.removeConn(lisAddr, st)
}()
}
func (s *Server) drainServerTransports(addr string) {
s.mu.Lock()
conns := s.conns[addr]
for st := range conns {
st.Drain()
}
s.mu.Unlock()
}
// newHTTP2Transport sets up a http/2 transport (using the
// gRPC http2 server transport in transport/http2_server.go).
func (s *Server) newHTTP2Transport(c net.Conn, authInfo credentials.AuthInfo) transport.ServerTransport {
@ -841,7 +904,7 @@ func (s *Server) newHTTP2Transport(c net.Conn, authInfo credentials.AuthInfo) tr
MaxHeaderListSize: s.opts.maxHeaderListSize,
HeaderTableSize: s.opts.headerTableSize,
}
st, err := transport.NewServerTransport("http2", c, config)
st, err := transport.NewServerTransport(c, config)
if err != nil {
s.mu.Lock()
s.errorf("NewServerTransport(%q) failed: %v", c.RemoteAddr(), err)
@ -924,10 +987,10 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if !s.addConn(st) {
if !s.addConn(listenerAddressForServeHTTP, st) {
return
}
defer s.removeConn(st)
defer s.removeConn(listenerAddressForServeHTTP, st)
s.serveStreams(st)
}
@ -955,7 +1018,7 @@ func (s *Server) traceInfo(st transport.ServerTransport, stream *transport.Strea
return trInfo
}
func (s *Server) addConn(st transport.ServerTransport) bool {
func (s *Server) addConn(addr string, st transport.ServerTransport) bool {
s.mu.Lock()
defer s.mu.Unlock()
if s.conns == nil {
@ -967,15 +1030,28 @@ func (s *Server) addConn(st transport.ServerTransport) bool {
// immediately.
st.Drain()
}
s.conns[st] = true
if s.conns[addr] == nil {
// Create a map entry if this is the first connection on this listener.
s.conns[addr] = make(map[transport.ServerTransport]bool)
}
s.conns[addr][st] = true
return true
}
func (s *Server) removeConn(st transport.ServerTransport) {
func (s *Server) removeConn(addr string, st transport.ServerTransport) {
s.mu.Lock()
defer s.mu.Unlock()
if s.conns != nil {
delete(s.conns, st)
conns := s.conns[addr]
if conns != nil {
delete(conns, st)
if len(conns) == 0 {
// If the last connection for this address is being removed, also
// remove the map entry corresponding to the address. This is used
// in GracefulStop() when waiting for all connections to be closed.
delete(s.conns, addr)
}
s.cv.Broadcast()
}
}
@ -1040,22 +1116,24 @@ func chainUnaryServerInterceptors(s *Server) {
} else if len(interceptors) == 1 {
chainedInt = interceptors[0]
} else {
chainedInt = func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (interface{}, error) {
return interceptors[0](ctx, req, info, getChainUnaryHandler(interceptors, 0, info, handler))
}
chainedInt = chainUnaryInterceptors(interceptors)
}
s.opts.unaryInt = chainedInt
}
// getChainUnaryHandler recursively generate the chained UnaryHandler
func getChainUnaryHandler(interceptors []UnaryServerInterceptor, curr int, info *UnaryServerInfo, finalHandler UnaryHandler) UnaryHandler {
if curr == len(interceptors)-1 {
return finalHandler
func chainUnaryInterceptors(interceptors []UnaryServerInterceptor) UnaryServerInterceptor {
return func(ctx context.Context, req interface{}, info *UnaryServerInfo, handler UnaryHandler) (interface{}, error) {
var i int
var next UnaryHandler
next = func(ctx context.Context, req interface{}) (interface{}, error) {
if i == len(interceptors)-1 {
return interceptors[i](ctx, req, info, handler)
}
return func(ctx context.Context, req interface{}) (interface{}, error) {
return interceptors[curr+1](ctx, req, info, getChainUnaryHandler(interceptors, curr+1, info, finalHandler))
i++
return interceptors[i-1](ctx, req, info, next)
}
return next(ctx, req)
}
}
@ -1070,6 +1148,8 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
beginTime := time.Now()
statsBegin = &stats.Begin{
BeginTime: beginTime,
IsClientStream: false,
IsServerStream: false,
}
sh.HandleRPC(stream.Context(), statsBegin)
}
@ -1321,22 +1401,24 @@ func chainStreamServerInterceptors(s *Server) {
} else if len(interceptors) == 1 {
chainedInt = interceptors[0]
} else {
chainedInt = func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error {
return interceptors[0](srv, ss, info, getChainStreamHandler(interceptors, 0, info, handler))
}
chainedInt = chainStreamInterceptors(interceptors)
}
s.opts.streamInt = chainedInt
}
// getChainStreamHandler recursively generate the chained StreamHandler
func getChainStreamHandler(interceptors []StreamServerInterceptor, curr int, info *StreamServerInfo, finalHandler StreamHandler) StreamHandler {
if curr == len(interceptors)-1 {
return finalHandler
func chainStreamInterceptors(interceptors []StreamServerInterceptor) StreamServerInterceptor {
return func(srv interface{}, ss ServerStream, info *StreamServerInfo, handler StreamHandler) error {
var i int
var next StreamHandler
next = func(srv interface{}, ss ServerStream) error {
if i == len(interceptors)-1 {
return interceptors[i](srv, ss, info, handler)
}
return func(srv interface{}, ss ServerStream) error {
return interceptors[curr+1](srv, ss, info, getChainStreamHandler(interceptors, curr+1, info, finalHandler))
i++
return interceptors[i-1](srv, ss, info, next)
}
return next(srv, ss)
}
}
@ -1350,6 +1432,8 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
beginTime := time.Now()
statsBegin = &stats.Begin{
BeginTime: beginTime,
IsClientStream: sd.ClientStreams,
IsServerStream: sd.ServerStreams,
}
sh.HandleRPC(stream.Context(), statsBegin)
}
@ -1452,6 +1536,8 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
}
}
ss.ctx = newContextWithRPCInfo(ss.ctx, false, ss.codec, ss.cp, ss.comp)
if trInfo != nil {
trInfo.tr.LazyLog(&trInfo.firstLine, false)
}
@ -1519,7 +1605,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str
trInfo.tr.SetError()
}
errDesc := fmt.Sprintf("malformed method name: %q", stream.Method())
if err := t.WriteStatus(stream, status.New(codes.ResourceExhausted, errDesc)); err != nil {
if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil {
if trInfo != nil {
trInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true)
trInfo.tr.SetError()
@ -1639,7 +1725,7 @@ func (s *Server) Stop() {
s.mu.Lock()
listeners := s.lis
s.lis = nil
st := s.conns
conns := s.conns
s.conns = nil
// interrupt GracefulStop if Stop and GracefulStop are called concurrently.
s.cv.Broadcast()
@ -1648,8 +1734,10 @@ func (s *Server) Stop() {
for lis := range listeners {
lis.Close()
}
for c := range st {
c.Close()
for _, cs := range conns {
for st := range cs {
st.Close()
}
}
if s.opts.numServerWorkers > 0 {
s.stopServerWorkers()
@ -1686,9 +1774,11 @@ func (s *Server) GracefulStop() {
}
s.lis = nil
if !s.drain {
for st := range s.conns {
for _, conns := range s.conns {
for st := range conns {
st.Drain()
}
}
s.drain = true
}

View File

@ -45,6 +45,10 @@ type Begin struct {
BeginTime time.Time
// FailFast indicates if this RPC is failfast.
FailFast bool
// IsClientStream indicates whether the RPC is a client streaming RPC.
IsClientStream bool
// IsServerStream indicates whether the RPC is a server streaming RPC.
IsServerStream bool
}
// IsClient indicates if the stats information is from client side.

View File

@ -73,9 +73,11 @@ func FromProto(s *spb.Status) *Status {
return status.FromProto(s)
}
// FromError returns a Status representing err if it was produced from this
// package or has a method `GRPCStatus() *Status`. Otherwise, ok is false and a
// Status is returned with codes.Unknown and the original error message.
// FromError returns a Status representing err if it was produced by this
// package or has a method `GRPCStatus() *Status`.
// If err is nil, a Status is returned with codes.OK and no message.
// Otherwise, ok is false and a Status is returned with codes.Unknown and
// the original error message.
func FromError(err error) (s *Status, ok bool) {
if err == nil {
return nil, true

View File

@ -52,14 +52,20 @@ import (
// of the RPC.
type StreamHandler func(srv interface{}, stream ServerStream) error
// StreamDesc represents a streaming RPC service's method specification.
// StreamDesc represents a streaming RPC service's method specification. Used
// on the server when registering services and on the client when initiating
// new streams.
type StreamDesc struct {
StreamName string
Handler StreamHandler
// StreamName and Handler are only used when registering handlers on a
// server.
StreamName string // the name of the method excluding the service
Handler StreamHandler // the handler called for the method
// At least one of these is true.
ServerStreams bool
ClientStreams bool
// ServerStreams and ClientStreams are used for registering handlers on a
// server as well as defining RPC behavior when passed to NewClientStream
// and ClientConn.NewStream. At least one must be true.
ServerStreams bool // indicates the server can perform streaming sends
ClientStreams bool // indicates the client can perform streaming sends
}
// Stream defines the common interface a client or server stream has to satisfy.
@ -166,7 +172,6 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
}
}()
}
c := defaultCallInfo()
// Provide an opportunity for the first RPC to see the first service config
// provided by the resolver.
if err := cc.waitForResolvedAddrs(ctx); err != nil {
@ -175,18 +180,40 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
var mc serviceconfig.MethodConfig
var onCommit func()
rpcConfig, err := cc.safeConfigSelector.SelectConfig(iresolver.RPCInfo{Context: ctx, Method: method})
if err != nil {
return nil, status.Convert(err).Err()
var newStream = func(ctx context.Context, done func()) (iresolver.ClientStream, error) {
return newClientStreamWithParams(ctx, desc, cc, method, mc, onCommit, done, opts...)
}
rpcInfo := iresolver.RPCInfo{Context: ctx, Method: method}
rpcConfig, err := cc.safeConfigSelector.SelectConfig(rpcInfo)
if err != nil {
return nil, toRPCErr(err)
}
if rpcConfig != nil {
if rpcConfig.Context != nil {
ctx = rpcConfig.Context
}
mc = rpcConfig.MethodConfig
onCommit = rpcConfig.OnCommitted
if rpcConfig.Interceptor != nil {
rpcInfo.Context = nil
ns := newStream
newStream = func(ctx context.Context, done func()) (iresolver.ClientStream, error) {
cs, err := rpcConfig.Interceptor.NewStream(ctx, rpcInfo, done, ns)
if err != nil {
return nil, toRPCErr(err)
}
return cs, nil
}
}
}
return newStream(ctx, func() {})
}
func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, mc serviceconfig.MethodConfig, onCommit, doneFunc func(), opts ...CallOption) (_ iresolver.ClientStream, err error) {
c := defaultCallInfo()
if mc.WaitForReady != nil {
c.failFast = !*mc.WaitForReady
}
@ -223,6 +250,7 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
Host: cc.authority,
Method: method,
ContentSubtype: c.contentSubtype,
DoneFunc: doneFunc,
}
// Set our outgoing compression according to the UseCompressor CallOption, if
@ -270,6 +298,8 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
Client: true,
BeginTime: beginTime,
FailFast: c.failFast,
IsClientStream: desc.ClientStreams,
IsServerStream: desc.ServerStreams,
}
sh.HandleRPC(ctx, begin)
}
@ -391,13 +421,10 @@ func (a *csAttempt) newStream() error {
cs.callHdr.PreviousAttempts = cs.numRetries
s, err := a.t.NewStream(cs.ctx, cs.callHdr)
if err != nil {
if _, ok := err.(transport.PerformedIOError); ok {
// Return without converting to an RPC error so retry code can
// inspect.
return err
}
return toRPCErr(err)
}
cs.attempt.s = s
cs.attempt.p = &parser{r: s}
return nil
@ -495,19 +522,28 @@ func (cs *clientStream) commitAttempt() {
// shouldRetry returns nil if the RPC should be retried; otherwise it returns
// the error that should be returned by the operation.
func (cs *clientStream) shouldRetry(err error) error {
unprocessed := false
if cs.attempt.s == nil {
pioErr, ok := err.(transport.PerformedIOError)
if ok {
// Unwrap error.
err = toRPCErr(pioErr.Err)
} else {
unprocessed = true
// Error from NewClientStream.
nse, ok := err.(*transport.NewStreamError)
if !ok {
// Unexpected, but assume no I/O was performed and the RPC is not
// fatal, so retry indefinitely.
return nil
}
if !ok && !cs.callInfo.failFast {
// In the event of a non-IO operation error from NewStream, we
// never attempted to write anything to the wire, so we can retry
// indefinitely for non-fail-fast RPCs.
// Unwrap and convert error.
err = toRPCErr(nse.Err)
// Never retry DoNotRetry errors, which indicate the RPC should not be
// retried due to max header list size violation, etc.
if nse.DoNotRetry {
return err
}
// In the event of a non-IO operation error from NewStream, we never
// attempted to write anything to the wire, so we can retry
// indefinitely.
if !nse.PerformedIO {
return nil
}
}
@ -516,6 +552,7 @@ func (cs *clientStream) shouldRetry(err error) error {
return err
}
// Wait for the trailers.
unprocessed := false
if cs.attempt.s != nil {
<-cs.attempt.s.Done()
unprocessed = cs.attempt.s.Unprocessed()
@ -604,7 +641,7 @@ func (cs *clientStream) shouldRetry(err error) error {
// Returns nil if a retry was performed and succeeded; error otherwise.
func (cs *clientStream) retryLocked(lastErr error) error {
for {
cs.attempt.finish(lastErr)
cs.attempt.finish(toRPCErr(lastErr))
if err := cs.shouldRetry(lastErr); err != nil {
cs.commitAttemptLocked()
return err
@ -631,7 +668,11 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func())
for {
if cs.committed {
cs.mu.Unlock()
return op(cs.attempt)
// toRPCErr is used in case the error from the attempt comes from
// NewClientStream, which intentionally doesn't return a status
// error to allow for further inspection; all other errors should
// already be status errors.
return toRPCErr(op(cs.attempt))
}
a := cs.attempt
cs.mu.Unlock()

View File

@ -37,16 +37,16 @@ type Info struct {
// TODO: More to be added.
}
// ServerInHandle defines the function which runs before a new stream is created
// on the server side. If it returns a non-nil error, the stream will not be
// created and a RST_STREAM will be sent back to the client with REFUSED_STREAM.
// The client will receive an RPC error "code = Unavailable, desc = stream
// terminated by RST_STREAM with error code: REFUSED_STREAM".
// ServerInHandle defines the function which runs before a new stream is
// created on the server side. If it returns a non-nil error, the stream will
// not be created and an error will be returned to the client. If the error
// returned is a status error, that status code and message will be used,
// otherwise PermissionDenied will be the code and err.Error() will be the
// message.
//
// It's intended to be used in situations where you don't want to waste the
// resources to accept the new stream (e.g. rate-limiting). And the content of
// the error will be ignored and won't be sent back to the client. For other
// general usages, please use interceptors.
// resources to accept the new stream (e.g. rate-limiting). For other general
// usages, please use interceptors.
//
// Note that it is executed in the per-connection I/O goroutine(s) instead of
// per-RPC goroutine. Therefore, users should NOT have any

View File

@ -19,4 +19,4 @@
package grpc
// Version is the current grpc version.
const Version = "1.35.0"
const Version = "1.40.0"

55
vendor/google.golang.org/grpc/vet.sh generated vendored
View File

@ -28,11 +28,10 @@ cleanup() {
}
trap cleanup EXIT
PATH="${GOPATH}/bin:${GOROOT}/bin:${PATH}"
PATH="${HOME}/go/bin:${GOROOT}/bin:${PATH}"
go version
if [[ "$1" = "-install" ]]; then
# Check for module support
if go help mod >& /dev/null; then
# Install the pinned versions as defined in module tools.
pushd ./test/tools
go install \
@ -41,16 +40,6 @@ if [[ "$1" = "-install" ]]; then
honnef.co/go/tools/cmd/staticcheck \
github.com/client9/misspell/cmd/misspell
popd
else
# Ye olde `go get` incantation.
# Note: this gets the latest version of all tools (vs. the pinned versions
# with Go modules).
go get -u \
golang.org/x/lint/golint \
golang.org/x/tools/cmd/goimports \
honnef.co/go/tools/cmd/staticcheck \
github.com/client9/misspell/cmd/misspell
fi
if [[ -z "${VET_SKIP_PROTO}" ]]; then
if [[ "${TRAVIS}" = "true" ]]; then
PROTOBUF_VERSION=3.14.0
@ -104,12 +93,6 @@ git grep '"github.com/envoyproxy/go-control-plane/envoy' -- '*.go' ':(exclude)*.
# TODO: Remove when we drop Go 1.10 support
go list -f {{.Dir}} ./... | xargs go run test/go_vet/vet.go
# - gofmt, goimports, golint (with exceptions for generated code), go vet.
gofmt -s -d -l . 2>&1 | fail_on_output
goimports -l . 2>&1 | not grep -vE "\.pb\.go"
golint ./... 2>&1 | not grep -vE "\.pb\.go:"
go vet -all ./...
misspell -error .
# - Check that generated proto files are up to date.
@ -119,12 +102,22 @@ if [[ -z "${VET_SKIP_PROTO}" ]]; then
(git status; git --no-pager diff; exit 1)
fi
# - Check that our modules are tidy.
if go help mod >& /dev/null; then
find . -name 'go.mod' | xargs -IXXX bash -c 'cd $(dirname XXX); go mod tidy'
# - gofmt, goimports, golint (with exceptions for generated code), go vet,
# go mod tidy.
# Perform these checks on each module inside gRPC.
for MOD_FILE in $(find . -name 'go.mod'); do
MOD_DIR=$(dirname ${MOD_FILE})
pushd ${MOD_DIR}
go vet -all ./... | fail_on_output
gofmt -s -d -l . 2>&1 | fail_on_output
goimports -l . 2>&1 | not grep -vE "\.pb\.go"
golint ./... 2>&1 | not grep -vE "/testv3\.pb\.go:"
go mod tidy
git status --porcelain 2>&1 | fail_on_output || \
(git status; git --no-pager diff; exit 1)
fi
popd
done
# - Collection of static analysis checks
#
@ -141,8 +134,11 @@ not grep -Fv '.CredsBundle
.NewAddress
.NewServiceConfig
.Type is deprecated: use Attributes
BuildVersion is deprecated
balancer.ErrTransientFailure
balancer.Picker
extDesc.Filename is deprecated
github.com/golang/protobuf/jsonpb is deprecated
grpc.CallCustomCodec
grpc.Code
grpc.Compressor
@ -164,13 +160,7 @@ grpc.WithServiceConfig
grpc.WithTimeout
http.CloseNotifier
info.SecurityVersion
resolver.Backend
resolver.GRPCLB
extDesc.Filename is deprecated
BuildVersion is deprecated
github.com/golang/protobuf/jsonpb is deprecated
proto is deprecated
xxx_messageInfo_
proto.InternalMessageInfo is deprecated
proto.EnumName is deprecated
proto.ErrInternalBadWireType is deprecated
@ -184,7 +174,12 @@ proto.RegisterExtension is deprecated
proto.RegisteredExtension is deprecated
proto.RegisteredExtensions is deprecated
proto.RegisterMapType is deprecated
proto.Unmarshaler is deprecated' "${SC_OUT}"
proto.Unmarshaler is deprecated
resolver.Backend
resolver.GRPCLB
Target is deprecated: Use the Target field in the BuildOptions instead.
xxx_messageInfo_
' "${SC_OUT}"
# - special golint on package comments.
lint_package_comment_per_package() {

3
vendor/modules.txt vendored
View File

@ -426,7 +426,7 @@ google.golang.org/appengine/urlfetch
google.golang.org/genproto/googleapis/api/httpbody
google.golang.org/genproto/googleapis/rpc/status
google.golang.org/genproto/protobuf/field_mask
# google.golang.org/grpc v1.40.0 => google.golang.org/grpc v1.35.0
# google.golang.org/grpc v1.40.0
## explicit
google.golang.org/grpc
google.golang.org/grpc/attributes
@ -1061,7 +1061,6 @@ sigs.k8s.io/yaml
# github.com/hashicorp/vault/sdk => github.com/hashicorp/vault/sdk v0.1.14-0.20201116234512-b4d4137dfe8b
# github.com/portworx/sched-ops => github.com/portworx/sched-ops v0.20.4-openstorage-rc3
# gomodules.xyz/jsonpatch/v2 => github.com/gomodules/jsonpatch/v2 v2.2.0
# google.golang.org/grpc => google.golang.org/grpc v1.35.0
# k8s.io/api => k8s.io/api v0.22.1
# k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.22.1
# k8s.io/apimachinery => k8s.io/apimachinery v0.22.1