测评系统外部代码

linzhijie

2021-03-11 c33914ba0a98c823c4b4d7da21cdd476906c9924

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package com.ots.project.exam.service.impl;
import com.alibaba.fastjson.JSON;
import com.ots.project.exam.service.ReportCalculationServices;
import com.ots.project.tool.report.reportCalculation.response.ReportAPIResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Objects;
@Service
@Slf4j
public class ReportCalculationServicesImpl implements ReportCalculationServices {
    private Socket socket;
    private PrintWriter socketOut;
    private BufferedReader socketIn;
    @Value("${ATSTai.port}")
    private int port;
    @Value("${ATSTai.host}")
    private String host;
    @PostConstruct
    private void init() {
        try {
            
            socket = new Socket(host, port);
            
            socketIn = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            socketOut = new PrintWriter(socket.getOutputStream());
        } catch (Exception ex) {
            log.error("调用泰国团队组件连接失败：{}",ex.getMessage(),ex);
        }
    }
    @PreDestroy
    private void destory() {
        if (Objects.nonNull(socketIn)) {
            try {
                socketIn.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
        if (Objects.nonNull(socketOut)) {
            socketOut.close();
        }
        if (Objects.nonNull(socket)) {
            try {
                socket.close();
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    }
    
    public Boolean isServerClose(Socket socket){
        try{
            socket.sendUrgentData(0xFF);
            return false;
        }catch(Exception se){
            return true;
        }
    }
    @Override
    public ReportAPIResult stageCalculation(Object request) {
        if (isServerClose(socket)) {
            destory();
            init();
        }
        ReportAPIResult reportAPIResult = new ReportAPIResult();
        try {
            reportAPIResult = getReportAPIResult(request);
        }catch (Exception ex) {
            log.error("调用泰国团队组件断开：尝试重连......");
            destory();
            init();
            try {
                reportAPIResult = getReportAPIResult(request);
            } catch (IOException e) {
                e.printStackTrace();
                reportAPIResult.setCode("111");
                reportAPIResult.setMessage("调用泰国团队组件异常：" + ex.getMessage());
            }
        }
        return reportAPIResult;
    }
    private ReportAPIResult getReportAPIResult(Object request) throws IOException {
        ReportAPIResult reportAPIResult;
        socketOut.println(JSON.toJSONString(request));
        socketOut.flush();
        String inTemp = socketIn.readLine();
        reportAPIResult = JSON.parseObject(inTemp, ReportAPIResult.class);
        return reportAPIResult;
    }
}