package com.sinata.zuul.util.echo;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONObject;
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import com.sinata.zuul.util.*;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.Unpooled;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelHandlerContext;
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import org.springframework.http.HttpEntity;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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import org.springframework.util.LinkedMultiValueMap;
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import org.springframework.util.MultiValueMap;
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import org.springframework.web.client.RestTemplate;
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import java.util.*;
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/**
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* Netty业务逻辑层
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* @author sinata
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* @createDate 2016年6月3日
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* @version 1.0
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*/
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public class NettyServerController {
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public static Hashtable<String, Hashtable<ChannelHandlerContext, String>> map = new Hashtable<String, Hashtable<ChannelHandlerContext,String>>();
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public static Hashtable<String,String> table;
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private RedisUtil redisUtil = SpringUtil.getObject(RedisUtil.class);
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private GDMapGeocodingUtil gdMapGeocodingUtil = SpringUtil.getObject(GDMapGeocodingUtil.class);
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private RestTemplate internalRestTemplate = SpringUtil.getObject(RestTemplate.class);
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static{
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if(table == null){
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table = new Hashtable<>();
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}
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}
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public static boolean isdebug = false;
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public static int i = 0;
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/**
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* 判断客户端要执行什么操作
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*
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* @param ctx
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* @param msg
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* @author TaoNingBo
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*/
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public void JudgeOperation(ChannelHandlerContext ctx, Object msg) {
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try {
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// ByteBuf转String
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ByteBuf byteBuf = (ByteBuf) msg;
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byte[] req = new byte[byteBuf.readableBytes()];
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byteBuf.readBytes(req);
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msg = new String(req, "UTF-8");
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// 验证即时通讯命令是否正确有效
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if(SinataUtil.isEmpty(msg)) {
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return;
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}
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String msgStr = msg.toString();
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if(msgStr.indexOf("{") == -1 || msgStr.indexOf("}") == -1 || msgStr.indexOf("code") == -1 || msgStr.indexOf("msg") == -1 || msgStr.indexOf("data") == -1 || msgStr.indexOf("method") == -1) {
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return;
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}
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if(isdebug) {
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// System.out.println("<<<--receive-->>>" + msg);
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}
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// 获取socket信息，保存相应的socket
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JSONObject jsonMsg = JSONObject.parseObject(msg.toString());
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int code = jsonMsg.getInteger("code");
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String message = jsonMsg.getString("msg");
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String method = jsonMsg.getString("method");
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if(code != 200 || !message.equals("SUCCESS")) {
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return;
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}
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JSONObject jsonCon = JSONObject.parseObject(jsonMsg.get("data").toString());
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if(null != ctx && ctx.channel().isActive()){
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jsonMsg.put("method", Method.pong);
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sendMsgToClient(ctx, jsonMsg.toJSONString());
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}
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//心跳
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if(method.equals(Method.ping)) {
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Integer type = jsonCon.getInteger("type");
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String token = jsonCon.getString("token");
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String userId1 = jsonCon.getString("userId");
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String device = jsonCon.getString("device");
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String version = jsonCon.getString("version");
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if(StringUtil.isNotEmpty(userId1)){
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//判断用户或者司机长连接
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if(type==1){
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//确保账号在单个设备上登录
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if(StringUtil.isNotEmpty(token)){
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String token_ = redisUtil.getValue("USER_APP_"+ userId1);//获取缓存中最新的数据
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if(StringUtil.isNotEmpty(token_) && !token.equals(token_)){//不在同一设备上登录，向其他设备发送数据
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ChannelHandlerContext data_ = NettyChannelMap.getData_(token_.substring(0, 23));
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JSONObject msg_ = new JSONObject();
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msg_.put("code", 200);
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msg_.put("msg", "SUCCESS");
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msg_.put("method", "OFFLINE");
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msg_.put("data", new Object());
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this.sendMsgToClient(data_, msg_.toJSONString());//给当前通道发送消息
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TimerTask timerTask = new TimerTask() {
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@Override
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public void run() {
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NettyChannelMap.remove_(data_);
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NettyChannelMap.remove(data_);
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}
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};
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Timer timer = new Timer();
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timer.schedule(timerTask, 3000);
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timer.cancel();
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}
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NettyChannelMap.update_(token.substring(0, 23), ctx);
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NettyChannelMap.update("USER" + userId1, ctx);
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String s = NettyMsg.setMsg(Method.ok, new HashMap<String, Object>());
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ctx.writeAndFlush(Unpooled.copiedBuffer((s).getBytes()));
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if(StringUtil.isEmpty(token_)){//确保登录的时候存储token失败的情况
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redisUtil.setStrValue("USER_APP_" + userId1, token);
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}
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}
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}else{
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//添加司机在线
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HttpHeaders headers = new HttpHeaders();
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// 以表单的方式提交
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headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
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//将请求头部和参数合成一个请求
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MultiValueMap<String, Object> params = new LinkedMultiValueMap<>();
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params.add("driverId", userId1);
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params.add("device", (null != device && device.equals("carDevice")) ? "2" : "1");
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params.add("version", version);
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(params, headers);
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String w = internalRestTemplate.postForObject("http://driver-server/base/driverOnline/addDriverOnline",requestEntity , String.class);
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JSONObject jsonObject = JSON.parseObject(w, JSONObject.class);
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if(jsonObject.getIntValue("code") != 200){
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System.err.println("调用driver-server添加司机在线数据出错了");
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}
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//TODO 存储最后一次上传的时间（用于保证车载端断电后1小时自动下班）
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if(StringUtil.isNotEmpty(device) && device.equals("carDevice")){
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redisUtil.setStrValue("DEVICE_" + userId1, String.valueOf(System.currentTimeMillis()));
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String token_ = redisUtil.getValue("DRIVER_" + userId1);//缓存中拿最新数据
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if(StringUtil.isNotEmpty(token_) && !token_.equals(token)){
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ChannelHandlerContext data_ = NettyChannelMap.getData_(token_.substring(0, 23));
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//如果是车载端登录，则将其它端都强迫下线
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JSONObject msg_ = new JSONObject();
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msg_.put("code", 200);
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msg_.put("msg", "SUCCESS");
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msg_.put("method", "OFFLINE");
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msg_.put("data", new Object());
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this.sendMsgToClient(data_, msg_.toJSONString());//给当前通道发送消息
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TimerTask timerTask = new TimerTask() {
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@Override
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public void run() {
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NettyChannelMap.remove_(data_);
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NettyChannelMap.remove(data_);
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}
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};
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Timer timer = new Timer();
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timer.schedule(timerTask, 3000);
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timer.cancel();
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}
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NettyChannelMap.update("DRIVER" + userId1, ctx);
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NettyChannelMap.update_(token.substring(0, 23), ctx);
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String s = NettyMsg.setMsg(Method.ok, new HashMap<String, Object>());
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ctx.writeAndFlush(Unpooled.copiedBuffer((s).getBytes()));
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if(StringUtil.isEmpty(token_)){//确保登录的时候存储token失败的情况
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redisUtil.setStrValue("DRIVER_" + userId1, token);
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}
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}
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//确保账号在单个设备上登录
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String value = redisUtil.getValue("DEVICE_" + userId1);
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if(StringUtil.isNotEmpty(token) && StringUtil.isEmpty(device) && StringUtil.isEmpty(value)){//APP端登录的操作
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String token_ = redisUtil.getValue("DRIVER_" + userId1);//缓存中拿最新数据
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if(StringUtil.isNotEmpty(token_) && !token.equals(token_)){//不在同一设备上登录，向当前设备发送数据
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ChannelHandlerContext data_ = NettyChannelMap.getData_(token_.substring(0, 23));
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JSONObject msg_ = new JSONObject();
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msg_.put("code", 200);
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msg_.put("msg", "SUCCESS");
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msg_.put("method", "OFFLINE");
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msg_.put("data", new Object());
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this.sendMsgToClient(data_, msg_.toJSONString());//给当前通道发送消息
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TimerTask timerTask = new TimerTask() {
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@Override
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public void run() {
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NettyChannelMap.remove_(data_);
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NettyChannelMap.remove(data_);
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}
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};
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Timer timer = new Timer();
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timer.schedule(timerTask, 3000);
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timer.cancel();
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}
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NettyChannelMap.update("DRIVER" + userId1, ctx);
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NettyChannelMap.update_(token.substring(0, 23), ctx);
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String s = NettyMsg.setMsg(Method.ok, new HashMap<String, Object>());
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ctx.writeAndFlush(Unpooled.copiedBuffer((s).getBytes()));
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if(StringUtil.isEmpty(token_)){//确保登录的时候存储token失败的情况
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redisUtil.setStrValue("DRIVER_" + userId1, token);
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}
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}
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//存储通讯通道
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if(null != ctx && ctx.channel().isActive()){
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NettyChannelMap.update("DRIVER" + userId1, ctx);
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String s = NettyMsg.setMsg(Method.ok, new HashMap<String, Object>());
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ctx.writeAndFlush(Unpooled.copiedBuffer((s).getBytes()));
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}
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}
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}
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}
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//司机上传位置
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if(method.equals(Method.location)){
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Integer driverId = jsonCon.getInteger("driverId");
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Integer orderId = jsonCon.getInteger("orderId");
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Integer orderType = jsonCon.getInteger("orderType");
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Double lon = jsonCon.getDouble("lon");
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Double lat = jsonCon.getDouble("lat");
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Double computeAzimuth = jsonCon.getDouble("computeAzimuth");
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Double altitude = jsonCon.getDouble("altitude");
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if(SinataUtil.isNotEmpty(driverId)){
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if(null != lon && 0 != lon && null != lat && 0 != lat){
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if(null != orderId && 0 != driverId && null != orderType && 0 != orderType){//开始存入数据库
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HttpHeaders headers = new HttpHeaders();
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// 以表单的方式提交
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headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
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//将请求头部和参数合成一个请求
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MultiValueMap<String, Object> params = new LinkedMultiValueMap<>();
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params.add("orderType", String.valueOf(orderType));
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params.add("orderId", String.valueOf(orderId));
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params.add("driverId", String.valueOf(driverId));
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params.add("lon", String.valueOf(lon));
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params.add("lat", String.valueOf(lat));
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params.add("directionAngle", String.valueOf(computeAzimuth));
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params.add("altitude", String.valueOf(altitude));
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HttpEntity<MultiValueMap<String, Object>> requestEntity = new HttpEntity<>(params, headers);
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String s = internalRestTemplate.postForObject("http://driver-server/base/savePosition",requestEntity , String.class);
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JSONObject jsonObject = JSON.parseObject(s, JSONObject.class);
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if(jsonObject.getIntValue("code") != 200){
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System.err.println("调用driver-server存储位置数据出错了");
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}
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}
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redisUtil.setStrValue("DRIVER" + driverId, lon + "," + lat, 300);//实时位置存入redis中
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}else{
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NettyServerController.sendMsgToClient(ctx, "__error__" + msg.toString());
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}
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}else{
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NettyServerController.sendMsgToClient(ctx, "__error__" + msg.toString());
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}
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}
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} catch (Exception e) {
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if(isdebug) {
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NettyServerController.sendMsgToClient(ctx, "__error__" + msg.toString());
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}
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e.printStackTrace();
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}
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}
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/**
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* 向客户端发送消息
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*
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* @param ctx
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* @param msg
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* @author TaoNingBo
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*/
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public static void sendMsgToClient(ChannelHandlerContext ctx, String msg) {
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if (ctx != null && ctx.channel().isActive()) {
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ByteBuf buffer = Unpooled.copiedBuffer((msg).getBytes());
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ChannelFuture sync;
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try {
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sync = ctx.writeAndFlush(buffer).sync();
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if(!sync.isSuccess()){//如果推送失败则继续推送10次
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boolean b = true;
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for (int i = 0; i < 10; i++) {
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ctx.wait(3000);
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sync = ctx.writeAndFlush(buffer).sync();
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if(sync.isSuccess()){
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b = false;
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break;
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}
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System.err.println("推送不成功，将继续推送"+msg);
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}
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if(b){
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NettyChannelMap.remove(ctx);
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}
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}
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} catch (Exception e) {
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System.err.println("推送发生异常，记录："+msg);
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NettyChannelMap.remove(ctx);
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}
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if(isdebug) {
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System.err.println("<<<--send-->>>" + msg) ;
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}
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}else{
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System.err.println("推送失败,长连接不存在");
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NettyChannelMap.remove(ctx);
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}
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}
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// **链接断开 将推送消息记录
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public static void sendMsgToClient(String cacheType, Integer id,String msg) {
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ChannelHandlerContext ctx = NettyChannelMap.getData(cacheType + id);
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if (ctx != null) {
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ByteBuf buffer = Unpooled.copiedBuffer((msg).getBytes());
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ChannelFuture sync;
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try {
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sync = ctx.writeAndFlush(buffer).sync();
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// System.out.println("推送状态"+sync.isSuccess());
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if(!sync.isSuccess()){
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for (int i = 0; i < 10; i++) {
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sync = ctx.writeAndFlush(buffer).sync();
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if(!sync.isSuccess()){
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sync = ctx.writeAndFlush(buffer).sync();
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System.err.println("推送不成功，将继续推送"+msg);
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if(i == 9){
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table.put(cacheType+id, msg);
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ctx.close();
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System.err.println("推送发生异常，记录："+msg);
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}
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}else{
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break;
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}
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}
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}
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} catch (Exception e) {
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table.put(cacheType+id, msg);
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System.err.println("推送发生异常，记录："+msg);
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}
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if(isdebug) {
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// System.out.println("<<<--send-->>>" + msg);
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}
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}else{
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table.put(cacheType+id, msg);
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System.err.println("链接断开，记录：id="+cacheType+id+",消息:"+msg);
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}
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}
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/**
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* 记录推送不成功消息，并在心跳连接续推
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* @param token
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*/
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public static void resendMsg(String token){
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String msg = table.get(token);
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ChannelHandlerContext ctx = NettyChannelMap.getData(token);
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if(SinataUtil.isNotEmpty(msg) && ctx != null && ctx.channel().isActive()){
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ByteBuf buffer = Unpooled.copiedBuffer((msg).getBytes());
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ChannelFuture sync;
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try {
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sync = ctx.writeAndFlush(buffer).sync();
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System.err.println("重发异常推送状态"+sync.isSuccess()+"，位置："+token+"，消息内容："+msg);
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if(!sync.isSuccess()){
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i++;
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if(i == 10){
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i =0;
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ctx.close();
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return;
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}
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System.err.println("重发异常推送不成功，将继续推送"+msg);
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resendMsg(token);
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}else{
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i=0;
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}
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table.remove(token);
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} catch (Exception e) {
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resendMsg(token);
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System.err.println("重发推送发生异常，记录："+msg);
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}
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}
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}
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}
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