Merge branch 'wvp-28181-2.0' into wvp-28181-2.0

hotcoffie

2021-12-01 a16b4f71ec5a4d3d526c9c35a1e1f7843a49e921

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/SubscribeRequestProcessor.java

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@@ -0,0 +1,75 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.request.impl;

import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.ISIPRequestProcessor;
import com.genersoft.iot.vmp.gb28181.transmit.event.request.SIPRequestProcessorParent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.sip.InvalidArgumentException;
import javax.sip.RequestEvent;
import javax.sip.ServerTransaction;
import javax.sip.SipException;
import javax.sip.header.ExpiresHeader;
import javax.sip.message.Request;
import javax.sip.message.Response;
import java.text.ParseException;

/**
 * SIP命令类型： SUBSCRIBE请求
 */
@Component
public class SubscribeRequestProcessor extends SIPRequestProcessorParent implements InitializingBean, ISIPRequestProcessor {

   private Logger logger = LoggerFactory.getLogger(SubscribeRequestProcessor.class);
   private String method = "SUBSCRIBE";

   @Autowired
   private SIPProcessorObserver sipProcessorObserver;

   @Override
   public void afterPropertiesSet() throws Exception {
      // 添加消息处理的订阅
      sipProcessorObserver.addRequestProcessor(method, this);
   }

   /**   
    * 处理SUBSCRIBE请求  
    * 
    * @param evt
    */
   @Override
   public void process(RequestEvent evt) {
      Request request = evt.getRequest();

      try {
         Response response = null;
         response = getMessageFactory().createResponse(200, request);
         if (response != null) {
            ExpiresHeader expireHeader = getHeaderFactory().createExpiresHeader(30);
            response.setExpires(expireHeader);
         }
         logger.info("response : " + response.toString());
         ServerTransaction transaction = getServerTransaction(evt);
         if (transaction != null) {
            transaction.sendResponse(response);
            transaction.getDialog().delete();
            transaction.terminate();
         } else {
            logger.info("processRequest serverTransactionId is null.");
         }

      } catch (ParseException e) {
         e.printStackTrace();
      } catch (SipException e) {
         e.printStackTrace();
      } catch (InvalidArgumentException e) {
         e.printStackTrace();
      }
		
   }

}