Mirroristas/etcd
2
0
Fork 0
mirror of https://github.com/etcd-io/etcd.git synced 2024-09-27 06:25:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

clientv3: define error type for closed watcher

Browse Source
This commit is contained in:
Gyu-Ho Lee 2017-02-27 17:07:13 -08:00
parent ddcf14102e
commit 5f4412996d
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
clientv3/naming/grpc.go
View File

@ -16,6 +16,7 @@ package naming
import (
"encoding/json"
"fmt"
etcd "github.com/coreos/etcd/clientv3"
"golang.org/x/net/context"
@ -25,6 +26,8 @@ import (
"google.golang.org/grpc/naming"
)
var ErrWatcherClosed = fmt.Errorf("naming: watch closed")
// GRPCResolver creates a grpc.Watcher for a target to track its resolution changes.
type GRPCResolver struct {
// Client is an initialized etcd client.
@ -77,7 +80,7 @@ func (gw *gRPCWatcher) Next() ([]*naming.Update, error) {
// process new events on target/*
wr, ok := <-gw.wch
if !ok {
gw.err = grpc.Errorf(codes.Unavailable, "naming: watch closed")
gw.err = grpc.Errorf(codes.Unavailable, "%s", ErrWatcherClosed)
return nil, gw.err
}
if gw.err = wr.Err(); gw.err != nil {