RealControlSocketHandler.java
4.4 KB
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
package com.bsth.websocket.handler;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketHandler;
import org.springframework.web.socket.WebSocketMessage;
import org.springframework.web.socket.WebSocketSession;
import com.alibaba.fastjson.JSONObject;
import com.bsth.common.Constants;
import com.bsth.data.BasicData;
import com.google.common.base.Splitter;
import com.google.common.collect.ArrayListMultimap;
/**
* @author PanZhao
*/
@Component
@Scope("prototype")
public class RealControlSocketHandler implements WebSocketHandler {
Logger logger = LoggerFactory.getLogger(this.getClass());
private static final ArrayList<WebSocketSession> users;
private static final ArrayListMultimap<String, WebSocketSession> listenMap;
static {
users = new ArrayList<WebSocketSession>();
listenMap = ArrayListMultimap.create();
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus arg1)
throws Exception {
users.remove(session);
//清理监听
Set<String> keys = listenMap.keySet();
Map<String, WebSocketSession> remMap = new HashMap<>();
for(String k : keys){
if(listenMap.get(k).contains(session))
remMap.put(k, session);
}
Set<String> remSet = remMap.keySet();
for(String k : remSet){
listenMap.remove(k, remMap.get(k));
logger.info("web socket close, remove listen K: "+ k);
}
logger.info("listen values size: " + listenMap.values().size());
}
@Override
public void afterConnectionEstablished(WebSocketSession session)
throws Exception {
users.add(session);
}
@Override
public void handleMessage(WebSocketSession session, WebSocketMessage<?> msg)
throws Exception {
JSONObject jsonObj = JSONObject.parseObject(msg.getPayload().toString());
switch (jsonObj.getString("operCode")) {
case "register_line":
//注册线路监听
List<String> idx = Splitter.on(",").splitToList(jsonObj.getString("idx"));
for(String lineCode : idx){
if(BasicData.lineCode2NameMap.containsKey(lineCode))
listenMap.put(lineCode, session);
}
break;
default:
break;
}
logger.info(msg.getPayload().toString());
}
@Override
public void handleTransportError(WebSocketSession session, Throwable arg1)
throws Exception {
if(session.isOpen()){
session.close();
}
users.remove(session);
}
@Override
public boolean supportsPartialMessages() {
return false;
}
/**
* 给所有在线用户发送消息
*
* @param message
*/
public synchronized void sendMessageToUsers(TextMessage message) {
for (WebSocketSession user : users) {
try {
if (user.isOpen()) {
user.sendMessage(message);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* 给某些用户发送消息
*
* @param userId
* @param message
*/
public synchronized void sendMessageToUser(Set<String> uids, String msg) {
TextMessage message = new TextMessage(msg.getBytes());
for (WebSocketSession user : users) {
if (uids.contains(user.getAttributes().get(Constants.SESSION_USERNAME))) {
try {
if (user.isOpen()) {
user.sendMessage(message);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* 根据线路推送消息
*
* @param userId
* @param message
*/
public synchronized void sendMessageToLine(String lineCode, String msg) {
TextMessage message = new TextMessage(msg.getBytes());
Iterator<WebSocketSession> iterator = listenMap.get(lineCode).iterator();
WebSocketSession user;
while(iterator.hasNext()){
user = iterator.next();
try {
if (user.isOpen()) {
user.sendMessage(message);
}
} catch (Exception e) {
logger.error("sendMessageToLine error ...."+msg);
logger.error("sendMessageToLine error ....", e);
}
}
}
}