-
Notifications
You must be signed in to change notification settings - Fork 2
/
wss_server.go
207 lines (178 loc) · 4.72 KB
/
wss_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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
package wss
import (
"fmt"
"github.com/civet148/gotools/log"
"sync"
)
type SocketServer struct {
url string //web socket url
sock Socket //server socket
handler SocketHandler //server callback handler
accepting chan Socket //client connection accepted
receiving chan Socket //client message received
quiting chan Socket //client connection closed
clients map[Socket]*SocketClient //socket clients
locker *sync.Mutex //locker mutex
}
func init() {
}
func NewServer(url string) *SocketServer {
var s Socket
s = createSocket(url)
return &SocketServer{
url: url,
locker: &sync.Mutex{},
sock: s,
accepting: make(chan Socket, 1000),
quiting: make(chan Socket, 1000),
clients: make(map[Socket]*SocketClient, 0),
}
}
//TCP => tcp://127.0.0.1:6666
//UDP => udp://127.0.0.1:6667
//WebSocket => ws://127.0.0.1:6668/ wss://127.0.0.1:6668/websocket?cert=cert.pem&key=key.pem
func (w *SocketServer) Listen(handler SocketHandler) (err error) {
w.handler = handler
if err = w.sock.Listen(); err != nil {
log.Errorf(err.Error())
return
}
log.Debugf("listen protocol [%v] address [%v] ok", w.sock.GetSocketType(), w.sock.GetLocalAddr())
if w.sock.GetSocketType() != SocketType_UDP {
go func() {
log.Debugf("start goroutine for channel event accepting/quiting")
for {
select {
case s := <-w.accepting: //client connection coming...
w.onAccept(s)
case s := <-w.quiting: //client connection closed
w.onClose(s)
//default: //disable default because of high CPU performance
}
}
}()
//new go routine for accept new connections
go func() {
log.Debugf("start goroutine for accept new connection")
for {
if s := w.sock.Accept(); s != nil { //socket accepting...
w.accepting <- s
}
}
}()
} else {
w.onAccept(w.sock)
}
return
}
func (w *SocketServer) Close() {
w.sock.Close()
w.closeClientAll()
}
func (w *SocketServer) CloseClient(client *SocketClient) (err error) {
return w.closeSocket(client.sock)
}
func (w *SocketServer) Send(client *SocketClient, data []byte, to ...string) (n int, err error) {
return w.sendSocket(client.sock, data, to...)
}
func (w *SocketServer) GetClientCount() int {
return w.getClientCount()
}
func (w *SocketServer) GetClientAll() (clients []*SocketClient) {
return w.getClientAll()
}
func (w *SocketServer) closeSocket(s Socket) (err error) {
if s == nil {
return fmt.Errorf("close socket is nil")
}
w.removeClient(s)
return s.Close()
}
func (w *SocketServer) sendSocket(s Socket, data []byte, to ...string) (n int, err error) {
if s == nil || len(data) == 0 {
err = fmt.Errorf("send socket is nil or data length is 0")
return
}
return s.Send(data, to...)
}
func (w *SocketServer) recvSocket(s Socket) (data []byte, from string, err error) {
if s == nil {
err = fmt.Errorf("send socket is nil")
return
}
return s.Recv(-1)
}
func (w *SocketServer) onAccept(s Socket) {
c := w.addClient(s)
go w.readSocket(s)
w.handler.OnAccept(c)
}
func (w *SocketServer) onClose(s Socket) {
w.handler.OnClose(w.removeClient(s))
}
func (w *SocketServer) onReceive(s Socket, data []byte, length int, from string) {
c := w.getClient(s)
w.handler.OnReceive(c, data, length, from)
}
func (w *SocketServer) readSocket(s Socket) {
for {
if data, from, err := w.recvSocket(s); err != nil {
w.quiting <- s
break
} else if len(data) > 0 {
w.onReceive(s, data, len(data), from)
}
}
}
func (w *SocketServer) lock() {
w.locker.Lock()
}
func (w *SocketServer) unlock() {
w.locker.Unlock()
}
func (w *SocketServer) closeClientAll() {
w.lock()
defer w.unlock()
for s, _ := range w.clients {
_ = s.Close()
delete(w.clients, s)
}
}
func (w *SocketServer) addClient(s Socket) (client *SocketClient) {
client = &SocketClient{
sock: s,
}
w.lock()
defer w.unlock()
w.clients[client.sock] = client
return client
}
func (w *SocketServer) removeClient(s Socket) (client *SocketClient) {
w.lock()
defer w.unlock()
client = w.clients[s]
delete(w.clients, s)
return
}
func (w *SocketServer) getClient(s Socket) (client *SocketClient) {
var ok bool
w.lock()
defer w.unlock()
if client, ok = w.clients[s]; ok {
return
}
return
}
func (w *SocketServer) getClientCount() int {
w.lock()
defer w.unlock()
return len(w.clients)
}
func (w *SocketServer) getClientAll() (clients []*SocketClient) {
w.lock()
defer w.unlock()
for _, v := range w.clients {
clients = append(clients, v)
}
return
}