| 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.*; | 
| 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 = null; | 
|         try { | 
|             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); | 
|             }); | 
|         } catch (InvalidArgumentException | SipException | ParseException e) { | 
|             logger.error("[命令发送失败] 移动位置订阅: {}", e.getMessage()); | 
|         } | 
|         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); | 
|         try { | 
|             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); | 
|             }); | 
|         } catch (InvalidArgumentException | SipException | ParseException e) { | 
|             logger.error("[命令发送失败] 取消移动位置订阅: {}", e.getMessage()); | 
|         } | 
|     } | 
| } |