|  |  | 
 |  |  | 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 org.slf4j.Logger; | 
 |  |  | import org.slf4j.LoggerFactory; | 
 |  |  | import org.springframework.scheduling.annotation.Async; | 
 |  |  | import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; | 
 |  |  |  | 
 |  |  | import javax.sip.Dialog; | 
 |  |  | import javax.sip.DialogState; | 
 |  |  | import javax.sip.ResponseEvent; | 
 |  |  | import javax.sip.*; | 
 |  |  | import javax.sip.header.ToHeader; | 
 |  |  | import java.text.ParseException; | 
 |  |  | import java.util.Timer; | 
 |  |  | import java.util.TimerTask; | 
 |  |  |  | 
 |  |  | /** | 
 |  |  |  * 目录订阅任务 | 
 |  |  |  * @author lin | 
 |  |  |  */ | 
 |  |  | public class CatalogSubscribeTask implements ISubscribeTask { | 
 |  |  |     private final Logger logger = LoggerFactory.getLogger(CatalogSubscribeTask.class); | 
 |  |  |     private Device device; | 
 |  |  |     private final ISIPCommander sipCommander; | 
 |  |  |     private Dialog dialog; | 
 |  |  |     private SIPRequest request; | 
 |  |  |  | 
 |  |  |     private Timer timer ; | 
 |  |  |     private DynamicTask dynamicTask; | 
 |  |  |  | 
 |  |  |     public CatalogSubscribeTask(Device device, ISIPCommander sipCommander) { | 
 |  |  |     private String taskKey = "catalog-subscribe-timeout"; | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     public CatalogSubscribeTask(Device device, ISIPCommander sipCommander, DynamicTask dynamicTask) { | 
 |  |  |         this.device = device; | 
 |  |  |         this.sipCommander = sipCommander; | 
 |  |  |         this.dynamicTask = dynamicTask; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     public void run() { | 
 |  |  |         if (timer != null ) { | 
 |  |  |             timer.cancel(); | 
 |  |  |             timer = null; | 
 |  |  |         if (dynamicTask.get(taskKey) != null) { | 
 |  |  |             dynamicTask.stop(taskKey); | 
 |  |  |         } | 
 |  |  |         sipCommander.catalogSubscribe(device, dialog, eventResult -> { | 
 |  |  |             if (eventResult.dialog != null || eventResult.dialog.getState().equals(DialogState.CONFIRMED)) { | 
 |  |  |                 dialog = eventResult.dialog; | 
 |  |  |             } | 
 |  |  |             ResponseEvent event = (ResponseEvent) eventResult.event; | 
 |  |  |             if (event.getResponse().getRawContent() != null) { | 
 |  |  |         SIPRequest sipRequest = null; | 
 |  |  |         try { | 
 |  |  |             sipRequest = sipCommander.catalogSubscribe(device, request, eventResult -> { | 
 |  |  |                 ResponseEvent event = (ResponseEvent) eventResult.event; | 
 |  |  |                 // 成功 | 
 |  |  |                 logger.info("[目录订阅]成功: {}", device.getDeviceId()); | 
 |  |  |             }else { | 
 |  |  |                 // 成功 | 
 |  |  |                 logger.info("[目录订阅]成功: {}", device.getDeviceId()); | 
 |  |  |             } | 
 |  |  |         },eventResult -> { | 
 |  |  |             dialog = null; | 
 |  |  |             // 失败 | 
 |  |  |             logger.warn("[目录订阅]失败,信令发送失败: {}-{} ", device.getDeviceId(), eventResult.msg); | 
 |  |  |             timer = new Timer(); | 
 |  |  |             timer.schedule(new TimerTask() { | 
 |  |  |                 @Override | 
 |  |  |                 public void run() { | 
 |  |  |                     CatalogSubscribeTask.this.run(); | 
 |  |  |                 ToHeader toHeader = (ToHeader)event.getResponse().getHeader(ToHeader.NAME); | 
 |  |  |                 try { | 
 |  |  |                     this.request.getToHeader().setTag(toHeader.getTag()); | 
 |  |  |                 } catch (ParseException e) { | 
 |  |  |                     logger.info("[目录订阅]成功: 但为request设置ToTag失败"); | 
 |  |  |                     this.request = null; | 
 |  |  |                 } | 
 |  |  |             }, 2000); | 
 |  |  |         }); | 
 |  |  |             },eventResult -> { | 
 |  |  |                 this.request = null; | 
 |  |  |                 // 失败 | 
 |  |  |                 logger.warn("[目录订阅]失败,信令发送失败: {}-{} ", device.getDeviceId(), eventResult.msg); | 
 |  |  |                 dynamicTask.startDelay(taskKey, CatalogSubscribeTask.this, 2000); | 
 |  |  |             }); | 
 |  |  |         } catch (InvalidArgumentException | SipException | ParseException e) { | 
 |  |  |             logger.error("[命令发送失败] 目录订阅: {}", e.getMessage()); | 
 |  |  |  | 
 |  |  |         } | 
 |  |  |         if (sipRequest != null) { | 
 |  |  |             this.request = sipRequest; | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  | 
 |  |  |          * TERMINATED-> Terminated Dialog状态-终止 | 
 |  |  |          */ | 
 |  |  |         logger.info("取消目录订阅时dialog状态为{}", DialogState.CONFIRMED); | 
 |  |  |         if (timer != null ) { | 
 |  |  |             timer.cancel(); | 
 |  |  |             timer = null; | 
 |  |  |         if (dynamicTask.get(taskKey) != null) { | 
 |  |  |             dynamicTask.stop(taskKey); | 
 |  |  |         } | 
 |  |  |         if (dialog != null && dialog.getState().equals(DialogState.CONFIRMED)) { | 
 |  |  |             device.setSubscribeCycleForCatalog(0); | 
 |  |  |             sipCommander.catalogSubscribe(device, dialog, eventResult -> { | 
 |  |  |         device.setSubscribeCycleForCatalog(0); | 
 |  |  |         try { | 
 |  |  |             sipCommander.catalogSubscribe(device, request, eventResult -> { | 
 |  |  |                 ResponseEvent event = (ResponseEvent) eventResult.event; | 
 |  |  |                 if (event.getResponse().getRawContent() != null) { | 
 |  |  |                     // 成功 | 
 |  |  | 
 |  |  |                 // 失败 | 
 |  |  |                 logger.warn("[取消目录订阅订阅]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] 取消目录订阅订阅: {}", e.getMessage()); | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @Override | 
 |  |  |     public DialogState getDialogState() { | 
 |  |  |         if (dialog == null) return null; | 
 |  |  |         return dialog.getState(); | 
 |  |  |     } | 
 |  |  | } |