MyWebSocketHandler.java
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package com.objecteye.websocket;
import com.alibaba.fastjson.JSON;
import com.objecteye.entity.CountMsg;
import com.objecteye.entity.DeployAlarmMsg;
import com.objecteye.entity.PlateAlarmMsg;
import com.objecteye.entity.VisualStatisticsMsg;
import com.objecteye.pojo.RabbitMQVehicle;
import net.sf.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import org.springframework.web.socket.handler.TextWebSocketHandler;
import java.io.IOException;
import java.util.List;
import java.util.Map;
/**
* @Author: lr
* @Date: 2019/9/3 10:45
* @Version 1.0
* @Message:
*/
@Component
public class MyWebSocketHandler extends TextWebSocketHandler {
@Autowired
private RedisTemplate redisTemplate;
@Autowired
private SelectMongoData selectMongoData;
@Override
public void handleTextMessage(WebSocketSession session, TextMessage message)
throws Exception {
super.handleTextMessage(session, message);
}
/**
* 抓拍数据和报警数据的json格式
*/
public String getRealData(Object countMsg, Object captureMsg, Object deployAlarmMsg) {
JSONObject jsonObject = new JSONObject();
boolean isNull = true;
if (countMsg != null) {
isNull = false;
jsonObject.put("countMsg", countMsg);
jsonObject.put("countCode", 0);
} else {
jsonObject.put("countCode", 1);
}
if (captureMsg != null) {
isNull = false;
jsonObject.put("captureMsg", captureMsg);
jsonObject.put("captureCode", 0);
} else {
jsonObject.put("captureCode", 1);
}
if (deployAlarmMsg != null) {
isNull = false;
jsonObject.put("deployAlarmMsg", deployAlarmMsg);
jsonObject.put("deployAlarmCode", 0);
} else {
jsonObject.put("deployAlarmCode", 1);
}
if (isNull) {
return null;
}
return jsonObject.toString();
}
@Override
public void afterConnectionEstablished(WebSocketSession session) {
//获取请求头中节点id
String deviceId = session.getAttributes().get("deviceId").toString();
if (deviceId.equals("0")) { //可视化大屏
while (session.isOpen()) {
String data = null;
try {
data = (String) redisTemplate.opsForValue().get("data");
if (data == null) { //缓存为空，从库中取数据，存入缓存
VisualStatisticsMsg displayData = getDisplayData();
data = JSON.toJSONString(displayData);
redisTemplate.opsForValue().set("data", data);
} else {
//推送数据
session.sendMessage(new TextMessage(data));
Thread.sleep(5000);
}
} catch (Exception e) {
//e.printStackTrace();
}
}
} else { //实时预览
while (session.isOpen()) {
Object captureMsg = null;
Object countMsg = null;
Object deployAlarmMsg = null;
//对于流量统计和实时抓拍先判断设备是否有效
//抓拍数据
boolean havaIpKey = redisTemplate.hasKey("deviceId");
if (havaIpKey) {
Long size = redisTemplate.opsForList().size("deviceId");
if (size != 0) {
//从redis取数据（直接获取json字符串）
captureMsg = redisTemplate.opsForList().rightPop("deviceId");
RabbitMQVehicle captureRedis = JSON.parseObject(captureMsg.toString(), RabbitMQVehicle.class);
String id = captureRedis.getId();
String picurl = captureRedis.getPicurl();
JSONObject object = new JSONObject();
object.put("id", id);
object.put("picurl", picurl);
captureMsg = object.toString();
}
}
//流量统计
CountMsg countMsg1 = new CountMsg();
long vehicleCount = selectMongoData.getVehicleCountBydeviceId();
String strVehicleCount = selectMongoData.changeType(vehicleCount);
countMsg1.setVehicleCount(strVehicleCount);
long vehicleCountInHours = selectMongoData.getVehicleCountInHours();
String strVehicleCountInHours = selectMongoData.changeType(vehicleCountInHours);
countMsg1.setVehicleCountInHours(strVehicleCountInHours);
long violateCountByDeviceId = selectMongoData.getViolateCountByDeviceId();
String strViolateCounts = selectMongoData.changeType(violateCountByDeviceId);
countMsg1.setViolateCount(strViolateCounts);
countMsg = JSON.toJSON(countMsg1);
//布控任务报警
boolean havedeployKey = redisTemplate.hasKey("ALARM");
if (havedeployKey) {
Long size = redisTemplate.opsForList().size("ALARM");
if (size != 0) {
//从redis取数据
deployAlarmMsg = redisTemplate.opsForList().rightPop("ALARM");
DeployAlarmMsg deployMsg = new DeployAlarmMsg();
PlateAlarmMsg plateAlarmMsg = JSON.parseObject(deployAlarmMsg.toString(), PlateAlarmMsg.class);
String alarmTime = plateAlarmMsg.getAlarmTime();
deployMsg.setAlarmTime(alarmTime);
Integer alarmType = plateAlarmMsg.getAlarmType();
deployMsg.setDeployType(alarmType);
String snapshotUrl = plateAlarmMsg.getSnapshotUrl();
deployMsg.setCaptureUrl(snapshotUrl);
if (alarmType == 0) {
String plateNum = plateAlarmMsg.getPlateNum();
deployMsg.setDeployUrl(plateNum);
} else {
String libUrl = plateAlarmMsg.getLibUrl();
deployMsg.setDeployUrl(libUrl);
double similarity = plateAlarmMsg.getSimilarity();
deployMsg.setSimilarity(Double.parseDouble(String.format("%.2f", similarity)));
}
deployAlarmMsg = JSON.toJSON(deployMsg);
}
}
String realData = getRealData(countMsg, captureMsg, deployAlarmMsg);
if (realData != null) {
try { //每隔2秒，推送一次
session.sendMessage(new TextMessage(realData));
//Thread.sleep(2000);
} catch (IOException e) {
//e.printStackTrace();
}
}
}
}
}
//抛出异常后处理
@Override
public void handleTransportError(WebSocketSession session, Throwable exception) throws Exception {
if (session.isOpen()) {
session.close();
}
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) throws Exception {
if (session.isOpen()) {
session.close();
}
}
//从库里查数据
public VisualStatisticsMsg getDisplayData() {
//左上角那一块
VisualStatisticsMsg visualStatisticsMsg = new VisualStatisticsMsg();
long vehicleCount = selectMongoData.getVehicleCount();
String strVehicleCount = selectMongoData.changeType(vehicleCount);
visualStatisticsMsg.setVehicleCount(strVehicleCount);
long monitorTotalDays = selectMongoData.getMonitorTotalDays();
String strMonitorTotalDays = selectMongoData.changeType(monitorTotalDays);
visualStatisticsMsg.setMonitorTotalDays(strMonitorTotalDays);
int deployCount = selectMongoData.getDeployCount();
String strDeployCount = selectMongoData.changeType(deployCount);
visualStatisticsMsg.setDeployCount(strDeployCount);
long alarmCount = selectMongoData.getAlarmCount();
String strAlarmCount = selectMongoData.changeType(alarmCount);
visualStatisticsMsg.setAlarmCount(strAlarmCount);
long vehicleCountInMonth = selectMongoData.getVehicleCountInMonth();
String strVehicleCountInMonth = selectMongoData.changeType(vehicleCountInMonth);
visualStatisticsMsg.setVehicleCountInMonth(strVehicleCountInMonth);
long vehicleCountInWeek = selectMongoData.getVehicleCountInWeek();
String strVehicleCountInWeek = selectMongoData.changeType(vehicleCountInWeek);
visualStatisticsMsg.setVehicleCountInWeek(strVehicleCountInWeek);
//区域和七日过车
List<Long> oneWeekVehicleCount = selectMongoData.getOneWeekVehicleCount();
visualStatisticsMsg.setOneWeekVehicleCount(oneWeekVehicleCount);
List<long[]> oneWeekSpecialtyVehicleCount = selectMongoData.getOneWeekSpecialtyVehicleCount();
visualStatisticsMsg.setOneWeekSpecialtyVehicleCount(oneWeekSpecialtyVehicleCount);
//今日相关数据
Map<String, Object> todayData = selectMongoData.getTodayData();
visualStatisticsMsg.setTodayData(todayData);
return visualStatisticsMsg;
}
//隔一分钟更新缓存
@Scheduled(fixedRate = 60000)
public void putCache() {
VisualStatisticsMsg displayData = getDisplayData();
String displaydata = JSON.toJSONString(displayData);
redisTemplate.opsForValue().set("data", displaydata);
}
}