package com.cloud.count.listener;
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import com.cloud.count.dao.CountDao;
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import com.cloud.count.model.CountState;
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import com.cloud.count.model.People;
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import com.cloud.count.service.CountService;
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import com.cloud.count.service.serviceImpl.CountServiceImpl;
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import com.cloud.count.utils.XmlUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationListener;
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import org.springframework.context.event.ContextRefreshedEvent;
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import java.io.*;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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/**
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* 计数监听器
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*/
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public class CountListener implements ApplicationListener<ContextRefreshedEvent> {
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private Logger logger = LoggerFactory.getLogger(this.getClass());
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@Autowired
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private CountDao dao;
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static final String CRLF = System.getProperty("line.separator");
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static ServerSocket server;
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static Integer port = 2010;
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static boolean isServerReboot = false;
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@Override
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public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
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if(contextRefreshedEvent.getApplicationContext().getParent() !=null){
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return;
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}
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new Thread(new Runnable() {
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@Override
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public void run() {
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try {
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server = new ServerSocket(port);
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}
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catch (IOException e){
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e.printStackTrace();
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}
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String encoding = "UTF-8";
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BufferedReader iReader = null;
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BufferedWriter iWriter = null;
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StringBuilder sb = null;
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String lineContent = null;
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while (true){
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Socket client = null;
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try{
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client = server.accept();
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iReader = new BufferedReader(new InputStreamReader(client.getInputStream(), encoding));
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iWriter = new BufferedWriter(new OutputStreamWriter(client.getOutputStream(), encoding));
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InputStream is=client.getInputStream();
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byte[] b=new byte[1024];
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is.read(b);
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String str = new String(b);
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sendAck(iWriter);
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try{
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String xmlStr = XmlUtil.toXmlStr(str);
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// 如果存在TotalEnters。则证明返回的是实时数据的xml
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People people = null;
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if(xmlStr.indexOf("TotalEnters")>-1){
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people = XmlUtil.realTimeXmlToPeople(xmlStr);
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int inCreEnter = CountServiceImpl.addEnter(people.getEnters());//进入人数增量
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int inCreExit = CountServiceImpl.addExit(people.getExits());//出去人数增量
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System.out.println("TotalEnters:"+people.getEnters());
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CountServiceImpl.totalEnters += inCreEnter;
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CountServiceImpl.totalExits += inCreExit;
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people.setEnters(CountServiceImpl.totalEnters);//将累加后的数量存到数据库中
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people.setExits(CountServiceImpl.totalExits);
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boolean resultB = dao.savePeople(people);
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//总进入数量或者总出去数量，不一定哪一个先到2字节int的上限65535
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// if( CountServiceImpl.totalEnters < CountServiceImpl.baseEnters){
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// //表示统计设备重新启动了,统计参数归零
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// CountServiceImpl.initCountArgs(people);
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// }
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op: if(!isServerReboot){
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isServerReboot = true;
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CountState state = dao.getCountState();//恢复统计状态
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Date nowDate = new Date();
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Date BaseDate = new Date(state.getBaseTime()*1000L);
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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if(!sdf.format(nowDate).equals(sdf.format(BaseDate))){//历史数据不等于当天
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CountServiceImpl.baseEnters = people.getEnters();
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CountServiceImpl.baseExits = people.getExits();
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CountServiceImpl.realtimeBaseEnters = people.getEnters();
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CountServiceImpl.realtimebBaseExits = people.getExits();
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CountServiceImpl.errorCount = 0;
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break op;
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}
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//还原状态
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CountServiceImpl.baseEnters = state.getBaseEnters();
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CountServiceImpl.baseExits = state.getBaseExits();
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CountServiceImpl.totalEnters = state.getTotalEnters();
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CountServiceImpl.totalExits = state.getTotalExits();
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CountServiceImpl.realtimeBaseEnters = state.getRealtimeBaseEnters();
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CountServiceImpl.realtimebBaseExits = state.getRealtimeBaseExits();
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CountServiceImpl.errorCount = state.getErrorCount();
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}
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//总进入人数小于总出去的人数，表示统计设备在放学时间（出去的人数大于进入的人数）重启了
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if(CountServiceImpl.totalEnters < CountServiceImpl.totalExits){
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CountServiceImpl.errorCount = CountServiceImpl.totalExits - CountServiceImpl.totalEnters;
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}else
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CountServiceImpl.errorCount = 0;
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CountState currentState = new CountState();
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currentState.setBaseEnters(CountServiceImpl.baseEnters);
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currentState.setBaseExits(CountServiceImpl.baseExits);
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currentState.setTotalEnters(CountServiceImpl.totalEnters);
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currentState.setTotalExits(CountServiceImpl.totalExits);
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currentState.setRealtimeBaseEnters(CountServiceImpl.realtimeBaseEnters);
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currentState.setRealtimeBaseExits(CountServiceImpl.realtimebBaseExits);
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currentState.setErrorCount(CountServiceImpl.errorCount);
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currentState.setBaseTime(people.getTimestamp());
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dao.updateCountState(currentState);//更新当前统计状态
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} else {
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System.out.println("noTotalEners");
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}
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// 如果存在ReportData。则证明返回的是统计数据的xml
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if(xmlStr.indexOf("ReportData")>-1){
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people = XmlUtil.xmlToPeople(xmlStr);
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dao.savePeople(people);
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}
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}catch (Exception e){
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System.out.println(e.getMessage());
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}
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}catch (IOException ex){
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}finally {
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try {
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if(iWriter !=null)
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iWriter.close();
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if(iReader !=null)
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iReader.close();
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// if(client !=null)
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// client.close();
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}catch (IOException e){
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}
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}
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}
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}
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}).start();
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}
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public static void sendAck(BufferedWriter iWriter) {
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String statusLine = "HTTP/1.0 200 OK"+CRLF;
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String contentTypeLine = "Content-type: text/html"+CRLF ;
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String connectionClose = "Connection: Keep-Alive"+CRLF ;
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String contentLengthLine = "Content-Length: 0"+CRLF +CRLF;;
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try {
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iWriter.write(statusLine);
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iWriter.write(contentTypeLine);
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iWriter.write(connectionClose);
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iWriter.write(contentLengthLine);
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//iWriter.write(content);
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iWriter.flush();
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iWriter.close();
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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// Send nack
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public static void sendNack(BufferedWriter iWriter) {
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String statusLine = "HTTP/1.1 400 Bad Request" + CRLF;
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String contentTypeLine = "Content-type: text/html" + CRLF;
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String connectionClose = "Connection: close" + CRLF;
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String content = "<ErrorList><Error>error</Error></ErrorList>";
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String contentLengthLine = "Content-Length: "
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+ (new Integer(content.length())).toString() + CRLF + CRLF;
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try {
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iWriter.write(statusLine);
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iWriter.write(contentTypeLine);
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iWriter.write(connectionClose);
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iWriter.write(contentLengthLine);
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iWriter.write(content);
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iWriter.flush();
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} catch (IOException ex) {
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ex.printStackTrace();
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}
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}
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}
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