RealControlSocketHandler.java
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package com.bsth.websocket.handler;
import com.alibaba.fastjson.JSONObject;
import com.bsth.common.Constants;
import com.bsth.data.BasicData;
import com.google.common.base.Splitter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.*;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
/**
* @author PanZhao
*/
@Component
@Scope("prototype")
public class RealControlSocketHandler implements WebSocketHandler {
Logger logger = LoggerFactory.getLogger(this.getClass());
private static ArrayList<WebSocketSession> users;
//private static final ArrayListMultimap<String, WebSocketSession> listenMap;
private static ConcurrentHashMap<String, List<WebSocketSession>> listenMap;
static {
users = new ArrayList<WebSocketSession>();
//listenMap = ArrayListMultimap.create();
listenMap = new ConcurrentHashMap();
}
@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<>();
int vsCount=0;
Collection<List<WebSocketSession>> vs = listenMap.values();
for(List<WebSocketSession> list : vs){
list.remove(session);
vsCount += list.size();
}
/*List<WebSocketSession> vs;
for(String k : keys){
//vs = listenMap.get(k);
//vs.remove(session);
listenMap.get(k).remove()
*//*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: " + vsCount + " -CloseStatus:" + arg1);
}
@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)){
if(!listenMap.containsKey(lineCode)){
listenMap.put(lineCode, new ArrayList<WebSocketSession>());
}
listenMap.get(lineCode).add(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;
}
/**
* 根据线路推送消息
*/
public void sendMessageToLine(String lineCode, String msg) {
TextMessage message = new TextMessage(msg.getBytes());
List<WebSocketSession> list = listenMap.get(lineCode);
if(list == null || list.size() == 0)
return;
for(WebSocketSession user : list){
try {
if (user.isOpen()) {
user.sendMessage(message);
}
} catch (Exception e) {
try{
logger.error("error user...."+user.getAttributes().get(Constants.SESSION_USERNAME));
}
catch(Exception e2){}
logger.error("sendMessageToLine error ...."+msg);
logger.error("sendMessageToLine error ....", e);
}
}
}
/**
* 全局推送
*/
public void sendMessage(String msg) {
TextMessage message = new TextMessage(msg.getBytes());
Iterator<WebSocketSession> iterator = users.iterator();
WebSocketSession user;
while(iterator.hasNext()){
user = iterator.next();
try {
if (user.isOpen()) {
user.sendMessage(message);
}
} catch (Exception e) {
logger.error("sendMessage error ...."+msg);
}
}
}
}