648540858
2022-09-24 d7a1b94f905c5f28c9c8f2d48c3f9e28ebcf9cc4
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package com.genersoft.iot.vmp.gb28181.task.impl;
 
import com.genersoft.iot.vmp.conf.DynamicTask;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.task.ISubscribeTask;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
import gov.nist.javax.sip.message.SIPRequest;
import gov.nist.javax.sip.message.SIPResponse;
import org.dom4j.Element;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Async;
 
import javax.sip.Dialog;
import javax.sip.DialogState;
import javax.sip.ResponseEvent;
import javax.sip.header.ToHeader;
import java.text.ParseException;
import java.util.Timer;
import java.util.TimerTask;
 
/**
 * 移动位置订阅的定时更新
 * @author lin
 */
public class MobilePositionSubscribeTask implements ISubscribeTask {
    private final Logger logger = LoggerFactory.getLogger(MobilePositionSubscribeTask.class);
    private Device device;
    private ISIPCommander sipCommander;
 
    private SIPRequest request;
    private DynamicTask dynamicTask;
    private String taskKey = "mobile-position-subscribe-timeout";
 
    public MobilePositionSubscribeTask(Device device, ISIPCommander sipCommander, DynamicTask dynamicTask) {
        this.device = device;
        this.sipCommander = sipCommander;
        this.dynamicTask = dynamicTask;
    }
 
    @Override
    public void run() {
        if (dynamicTask.get(taskKey) != null) {
            dynamicTask.stop(taskKey);
        }
        SIPRequest sipRequest = sipCommander.mobilePositionSubscribe(device, request, eventResult -> {
            // 成功
            logger.info("[移动位置订阅]成功: {}", device.getDeviceId());
            ResponseEvent event = (ResponseEvent) eventResult.event;
            ToHeader toHeader = (ToHeader)event.getResponse().getHeader(ToHeader.NAME);
            try {
                this.request.getToHeader().setTag(toHeader.getTag());
            } catch (ParseException e) {
                logger.info("[移动位置订阅]成功: 为request设置ToTag失败");
                this.request = null;
            }
        },eventResult -> {
            this.request = null;
            // 失败
            logger.warn("[移动位置订阅]失败,信令发送失败: {}-{} ", device.getDeviceId(), eventResult.msg);
            dynamicTask.startDelay(taskKey, MobilePositionSubscribeTask.this, 2000);
        });
        if (sipRequest != null) {
            this.request = sipRequest;
        }
 
    }
 
    @Override
    public void stop() {
        /**
         * dialog 的各个状态
         * EARLY-> Early state状态-初始请求发送以后,收到了一个临时响应消息
         * CONFIRMED-> Confirmed Dialog状态-已确认
         * COMPLETED-> Completed Dialog状态-已完成
         * TERMINATED-> Terminated Dialog状态-终止
         */
        if (dynamicTask.get(taskKey) != null) {
            dynamicTask.stop(taskKey);
        }
        device.setSubscribeCycleForMobilePosition(0);
        sipCommander.mobilePositionSubscribe(device, request, eventResult -> {
            ResponseEvent event = (ResponseEvent) eventResult.event;
            if (event.getResponse().getRawContent() != null) {
                // 成功
                logger.info("[取消移动位置订阅]成功: {}", device.getDeviceId());
            }else {
                // 成功
                logger.info("[取消移动位置订阅]成功: {}", device.getDeviceId());
            }
        },eventResult -> {
            // 失败
            logger.warn("[取消移动位置订阅]失败,信令发送失败: {}-{} ", device.getDeviceId(), eventResult.msg);
        });
    }
}