mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-18 19:10:21 +00:00
69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
// Copyright 2018 The etcd 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 balancer
|
|
|
|
import (
|
|
"fmt"
|
|
"net/url"
|
|
"sort"
|
|
"sync/atomic"
|
|
"time"
|
|
|
|
"google.golang.org/grpc/balancer"
|
|
"google.golang.org/grpc/resolver"
|
|
)
|
|
|
|
func scToString(sc balancer.SubConn) string {
|
|
return fmt.Sprintf("%p", sc)
|
|
}
|
|
|
|
func scsToStrings(scs map[balancer.SubConn]resolver.Address) (ss []string) {
|
|
ss = make([]string, 0, len(scs))
|
|
for sc, a := range scs {
|
|
ss = append(ss, fmt.Sprintf("%s (%s)", a.Addr, scToString(sc)))
|
|
}
|
|
sort.Strings(ss)
|
|
return ss
|
|
}
|
|
|
|
func addrsToStrings(addrs []resolver.Address) (ss []string) {
|
|
ss = make([]string, len(addrs))
|
|
for i := range addrs {
|
|
ss[i] = addrs[i].Addr
|
|
}
|
|
sort.Strings(ss)
|
|
return ss
|
|
}
|
|
|
|
func epsToAddrs(eps ...string) (addrs []resolver.Address) {
|
|
addrs = make([]resolver.Address, 0, len(eps))
|
|
for _, ep := range eps {
|
|
u, err := url.Parse(ep)
|
|
if err != nil {
|
|
addrs = append(addrs, resolver.Address{Addr: ep, Type: resolver.Backend})
|
|
continue
|
|
}
|
|
addrs = append(addrs, resolver.Address{Addr: u.Host, Type: resolver.Backend})
|
|
}
|
|
return addrs
|
|
}
|
|
|
|
var genN = new(uint32)
|
|
|
|
func genName() string {
|
|
now := time.Now().UnixNano()
|
|
return fmt.Sprintf("%X%X", now, atomic.AddUint32(genN, 1))
|
|
}
|