添加logo

648540858

2021-08-30 e124cd37f1f9a342c04d5fe95b2fa1dc4383eb87

 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java

@@ -2,78 +2,70 @@


import java.text.ParseException;



import javax.sip.ClientTransaction;

import javax.sip.Dialog;

import javax.sip.InvalidArgumentException;

import javax.sip.ResponseEvent;

import javax.sip.SipException;

import javax.sip.*;

import javax.sip.address.SipURI;

import javax.sip.header.CSeqHeader;

import javax.sip.header.ViaHeader;

import javax.sip.message.Request;

import javax.sip.message.Response;



import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;

import gov.nist.javax.sip.ResponseEventExt;

import gov.nist.javax.sip.stack.SIPDialog;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Component;



import com.genersoft.iot.vmp.conf.SipConfig;

import com.genersoft.iot.vmp.gb28181.SipLayer;

import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorFactory;

import com.genersoft.iot.vmp.gb28181.transmit.response.ISIPResponseProcessor;



/**    


/**

 * @Description:处理INVITE响应

 * @author: swwheihei

 * @date:   2020年5月3日 下午4:43:52     
 * @date: 2020年5月3日 下午4:43:52

 */

@Component

public class InviteResponseProcessor implements ISIPResponseProcessor {



   private final static Logger logger = LoggerFactory.getLogger(SIPProcessorFactory.class);

	
    private final static Logger logger = LoggerFactory.getLogger(InviteResponseProcessor.class);



   @Autowired

   private VideoStreamSessionManager streamSession;



   /**

    * 处理invite响应

    * 

    * @param evt

    *            响应消息

    */ 
    * @param evt 响应消息

    * @throws ParseException

    */

   @Override

   public void process(ResponseEvent evt, SipLayer layer, SipConfig config) {

   public void process(ResponseEvent evt, SipLayer layer, SipConfig config) throws ParseException {

      try {

         Response response = evt.getResponse();

         int statusCode = response.getStatusCode();

         //trying不会回复

         if(statusCode == Response.TRYING){



         // trying不会回复

         if (statusCode == Response.TRYING) {

         }

         //成功响应

         //下发ack

         if(statusCode == Response.OK){

//            ClientTransaction clientTransaction = evt.getClientTransaction();

//            if(clientTransaction == null){

//               logger.error("回复ACK时，clientTransaction为null >>> {}",response);

//               return;

//            }

//            Dialog clientDialog = clientTransaction.getDialog();

//

//            CSeqHeader clientCSeqHeader = (CSeqHeader) response.getHeader(CSeqHeader.NAME);

//            long cseqId = clientCSeqHeader.getSeqNumber();

//            /*

//            createAck函数，创建的ackRequest，会采用Invite响应的200OK，中的contact字段中的地址，作为目标地址。

//            有的终端传上来的可能还是内网地址，会造成ack发送不出去。接受不到音视频流

//            所以在此处统一替换地址。和响应消息的Via头中的地址保持一致。

//             */

//            Request ackRequest = clientDialog.createAck(cseqId);

//            SipURI requestURI = (SipURI) ackRequest.getRequestURI();

//            ViaHeader viaHeader = (ViaHeader) response.getHeader(ViaHeader.NAME);

//            requestURI.setHost(viaHeader.getHost());

//            requestURI.setPort(viaHeader.getPort());

//            clientDialog.sendAck(ackRequest);

				
            Dialog dialog = evt.getDialog();

            Request reqAck =dialog.createAck(1L);

         // 成功响应

         // 下发ack

         if (statusCode == Response.OK) {

            ResponseEventExt event = (ResponseEventExt)evt;

            SIPDialog dialog = (SIPDialog)evt.getDialog();

            CSeqHeader cseq = (CSeqHeader) response.getHeader(CSeqHeader.NAME);

            Request reqAck = dialog.createAck(cseq.getSeqNumber());

            SipURI requestURI = (SipURI) reqAck.getRequestURI();

            requestURI.setHost(event.getRemoteIpAddress());

            requestURI.setPort(event.getRemotePort());

            reqAck.setRequestURI(requestURI);

            logger.info("向 " + event.getRemoteIpAddress() + ":" + event.getRemotePort() + "回复ack");

            SipURI sipURI = (SipURI)dialog.getRemoteParty().getURI();

            String deviceId = requestURI.getUser();

            String channelId = sipURI.getUser();



            dialog.sendAck(reqAck);



         }

      } catch (InvalidArgumentException | SipException e) {

         e.printStackTrace();