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

修正invite后收到部分设备200 OK无法回复ack的问题

 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;

@@ -22,57 +25,78 @@
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

 * @author: songww

 * @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);

	


    /**

     * 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);

				
            // 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);

                // 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) {