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vendor update for E2E framework

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Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2019-05-31 15:15:11 +05:30
parent 9bb23e4e32
commit d300da19b7
2149 changed files with 598692 additions and 14107 deletions
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96
vendor/google.golang.org/grpc/resolver_conn_wrapper.go generated vendored
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@ -21,6 +21,7 @@ package grpc
import (
"fmt"
"strings"
"sync/atomic"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal/channelz"
@ -30,12 +31,12 @@ import (
// ccResolverWrapper is a wrapper on top of cc for resolvers.
// It implements resolver.ClientConnection interface.
type ccResolverWrapper struct {
cc *ClientConn
resolver resolver.Resolver
addrCh chan []resolver.Address
scCh chan string
done chan struct{}
lastAddressesCount int
cc *ClientConn
resolver resolver.Resolver
addrCh chan []resolver.Address
scCh chan string
done uint32 // accessed atomically; set to 1 when closed.
curState resolver.State
}
// split2 returns the values from strings.SplitN(s, sep, 2).
@ -82,7 +83,6 @@ func newCCResolverWrapper(cc *ClientConn) (*ccResolverWrapper, error) {
cc: cc,
addrCh: make(chan []resolver.Address, 1),
scCh: make(chan string, 1),
done: make(chan struct{}),
}
var err error
@ -99,57 +99,67 @@ func (ccr *ccResolverWrapper) resolveNow(o resolver.ResolveNowOption) {
func (ccr *ccResolverWrapper) close() {
ccr.resolver.Close()
close(ccr.done)
atomic.StoreUint32(&ccr.done, 1)
}
// NewAddress is called by the resolver implemenetion to send addresses to gRPC.
func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
select {
case <-ccr.done:
func (ccr *ccResolverWrapper) isDone() bool {
return atomic.LoadUint32(&ccr.done) == 1
}
func (ccr *ccResolverWrapper) UpdateState(s resolver.State) {
if ccr.isDone() {
return
}
grpclog.Infof("ccResolverWrapper: sending update to cc: %v", s)
if channelz.IsOn() {
ccr.addChannelzTraceEvent(s)
}
ccr.cc.updateResolverState(s)
ccr.curState = s
}
// NewAddress is called by the resolver implementation to send addresses to gRPC.
func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
if ccr.isDone() {
return
default:
}
grpclog.Infof("ccResolverWrapper: sending new addresses to cc: %v", addrs)
if channelz.IsOn() {
ccr.addChannelzTraceEvent(addrs)
ccr.addChannelzTraceEvent(resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig})
}
ccr.cc.handleResolvedAddrs(addrs, nil)
ccr.curState.Addresses = addrs
ccr.cc.updateResolverState(ccr.curState)
}
// NewServiceConfig is called by the resolver implemenetion to send service
// NewServiceConfig is called by the resolver implementation to send service
// configs to gRPC.
func (ccr *ccResolverWrapper) NewServiceConfig(sc string) {
select {
case <-ccr.done:
if ccr.isDone() {
return
default:
}
grpclog.Infof("ccResolverWrapper: got new service config: %v", sc)
ccr.cc.handleServiceConfig(sc)
if channelz.IsOn() {
ccr.addChannelzTraceEvent(resolver.State{Addresses: ccr.curState.Addresses, ServiceConfig: sc})
}
ccr.curState.ServiceConfig = sc
ccr.cc.updateResolverState(ccr.curState)
}
func (ccr *ccResolverWrapper) addChannelzTraceEvent(addrs []resolver.Address) {
if len(addrs) == 0 && ccr.lastAddressesCount != 0 {
channelz.AddTraceEvent(ccr.cc.channelzID, &channelz.TraceEventDesc{
Desc: "Resolver returns an empty address list",
Severity: channelz.CtWarning,
})
} else if len(addrs) != 0 && ccr.lastAddressesCount == 0 {
var s string
for i, a := range addrs {
if a.ServerName != "" {
s += a.Addr + "(" + a.ServerName + ")"
} else {
s += a.Addr
}
if i != len(addrs)-1 {
s += " "
}
}
channelz.AddTraceEvent(ccr.cc.channelzID, &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Resolver returns a non-empty address list (previous one was empty) %q", s),
Severity: channelz.CtINFO,
})
func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) {
if s.ServiceConfig == ccr.curState.ServiceConfig && (len(ccr.curState.Addresses) == 0) == (len(s.Addresses) == 0) {
return
}
ccr.lastAddressesCount = len(addrs)
var updates []string
if s.ServiceConfig != ccr.curState.ServiceConfig {
updates = append(updates, "service config updated")
}
if len(ccr.curState.Addresses) > 0 && len(s.Addresses) == 0 {
updates = append(updates, "resolver returned an empty address list")
} else if len(ccr.curState.Addresses) == 0 && len(s.Addresses) > 0 {
updates = append(updates, "resolver returned new addresses")
}
channelz.AddTraceEvent(ccr.cc.channelzID, &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Resolver state updated: %+v (%v)", s, strings.Join(updates, "; ")),
Severity: channelz.CtINFO,
})
}