修正invite后收到部分设备200 OK无法回复ack的问题

Lawrence

2020-06-25 4ca7307eea4364567f5fa51b099dbb98b4c49e9f

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

@@ -7,8 +7,11 @@
import javax.sip.InvalidArgumentException;

import javax.sip.ResponseEvent;

import javax.sip.SipException;

import javax.sip.address.Address;

import javax.sip.address.SipURI;

import javax.sip.header.CSeqHeader;

import javax.sip.header.ContactHeader;

import javax.sip.header.FromHeader;

import javax.sip.header.ViaHeader;

import javax.sip.message.Request;

import javax.sip.message.Response;

@@ -21,6 +24,9 @@
import com.genersoft.iot.vmp.gb28181.SipLayer;

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

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



// import java.util.regex.Pattern;

// import java.util.regex.Matcher;



/**    

 * @Description:处理INVITE响应

@@ -35,17 +41,16 @@
   /**

    * 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){



         }

         //成功响应

         //下发ack

@@ -56,8 +61,9 @@
//               return;

//            }

//            Dialog clientDialog = clientTransaction.getDialog();

//

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



            // 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。

@@ -67,12 +73,30 @@
//            Request ackRequest = clientDialog.createAck(cseqId);

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

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

            // try {

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

            // } catch (Exception e) {

            // e.printStackTrace();

            // }

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

//            clientDialog.sendAck(ackRequest);

            

            Dialog dialog = evt.getDialog();

            Request reqAck =dialog.createAck(1L);

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

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



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

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

            // String viaHost =viaHeader.getHost();

            //getHost()函数取回的IP地址是“[xxx.xxx.xxx.xxx:yyyy]”的格式，需用正则表达式截取为“xxx.xxx.xxx.xxx"格式

            // Pattern p = Pattern.compile("(?<=//|)((\\w)+\\.)+\\w+");

            // Matcher matcher = p.matcher(viaHeader.getHost());

            // if (matcher.find()) {

            //    requestURI.setHost(matcher.group());

            // }

            requestURI.setHost(viaHeader.getHost());

            requestURI.setPort(viaHeader.getPort());

            reqAck.setRequestURI(requestURI);

            dialog.sendAck(reqAck);

         }

      } catch (InvalidArgumentException | SipException e) {