forked from apolloconfig/agollo
/
server.go
142 lines (126 loc) · 3.27 KB
/
server.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 server
import (
"strings"
"sync"
"time"
"github.com/apolloconfig/agollo/v4/env/config"
)
// ip -> server
var (
ipMap map[string]*Info
serverLock sync.Mutex
//next try connect period - 60 second
nextTryConnectPeriod int64 = 30
)
func init() {
ipMap = make(map[string]*Info)
}
type Info struct {
//real servers ip
serverMap map[string]*config.ServerInfo
nextTryConnTime int64
}
//GetServersLen 获取服务器数组
func GetServers(configIp string) map[string]*config.ServerInfo {
serverLock.Lock()
defer serverLock.Unlock()
if ipMap[configIp] == nil {
return nil
}
return ipMap[configIp].serverMap
}
//GetServersLen 获取服务器数组长度
func GetServersLen(configIp string) int {
serverLock.Lock()
defer serverLock.Unlock()
s := ipMap[configIp]
if s == nil || len(s.serverMap) == 0 {
return 0
}
return len(s.serverMap)
}
func SetServers(configIp string, serverMap map[string]*config.ServerInfo) {
serverLock.Lock()
defer serverLock.Unlock()
ipMap[configIp] = &Info{
serverMap: serverMap,
}
}
//SetDownNode 设置失效节点
func SetDownNode(configService string, serverHost string) {
serverLock.Lock()
defer serverLock.Unlock()
s := ipMap[configService]
if serverHost == "" {
return
}
if s == nil || len(s.serverMap) == 0 {
// init server map
ipMap[configService] = &Info{
serverMap: map[string]*config.ServerInfo{
serverHost: {
HomepageURL: serverHost,
},
},
}
s = ipMap[configService]
}
if serverHost == configService {
s.nextTryConnTime = time.Now().Unix() + nextTryConnectPeriod
}
for k, server := range s.serverMap {
// if some node has down then select next node
if strings.Index(k, serverHost) > -1 {
server.IsDown = true
}
}
}
//IsConnectDirectly is connect by ip directly
//false : yes
//true : no
func IsConnectDirectly(configIp string) bool {
serverLock.Lock()
defer serverLock.Unlock()
s := ipMap[configIp]
if s == nil || len(s.serverMap) == 0 {
return false
}
if s.nextTryConnTime >= 0 && s.nextTryConnTime > time.Now().Unix() {
return true
}
return false
}
//SetNextTryConnTime if this connect is fail will set this time
func SetNextTryConnTime(configIp string, nextPeriod int64) {
serverLock.Lock()
defer serverLock.Unlock()
s := ipMap[configIp]
if s == nil || len(s.serverMap) == 0 {
s = &Info{
serverMap: nil,
nextTryConnTime: 0,
}
ipMap[configIp] = s
}
tmp := nextPeriod
if tmp == 0 {
tmp = nextTryConnectPeriod
}
s.nextTryConnTime = time.Now().Unix() + tmp
}