优化国标级联心跳失败判断逻辑

648540858

2023-10-07 c084d6c98af1ef4d36a61adc719df5db76589428

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

old mode 100644
new mode 100755
@@ -1,39 +1,26 @@
package com.genersoft.iot.vmp.gb28181.transmit.event.response.impl;

import com.genersoft.iot.vmp.conf.SipConfig;
import com.genersoft.iot.vmp.gb28181.SipLayer;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.bean.SsrcTransaction;
import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
import com.genersoft.iot.vmp.gb28181.bean.Gb28181Sdp;
import com.genersoft.iot.vmp.gb28181.transmit.SIPProcessorObserver;
import com.genersoft.iot.vmp.gb28181.transmit.SIPSender;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.SIPRequestHeaderProvider;
import com.genersoft.iot.vmp.gb28181.transmit.event.response.SIPResponseProcessorAbstract;
import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
import com.genersoft.iot.vmp.service.IDeviceService;
import com.genersoft.iot.vmp.utils.GitUtil;
import gov.nist.javax.sip.ResponseEventExt;
import gov.nist.javax.sip.SipProviderImpl;
import gov.nist.javax.sip.message.SIPResponse;
import gov.nist.javax.sip.stack.SIPClientTransaction;
import gov.nist.javax.sip.stack.SIPDialog;
import gov.nist.javax.sip.stack.SIPTransaction;
import gov.nist.javax.sip.stack.SIPTransactionImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;

import javax.sdp.SdpFactory;
import javax.sdp.SdpParseException;
import javax.sdp.SessionDescription;
import javax.sip.*;
import javax.sip.address.Address;
import javax.sip.InvalidArgumentException;
import javax.sip.ResponseEvent;
import javax.sip.SipException;
import javax.sip.SipFactory;
import javax.sip.address.SipURI;
import javax.sip.header.CSeqHeader;
import javax.sip.header.UserAgentHeader;
import javax.sip.message.Request;
import javax.sip.message.Response;
import java.text.ParseException;
@@ -80,8 +67,8 @@
    */
   @Override
   public void process(ResponseEvent evt ){
      logger.debug("接收到消息：" + evt.getResponse());
      try {

         SIPResponse response = (SIPResponse)evt.getResponse();
         int statusCode = response.getStatusCode();
         // trying不会回复
@@ -93,22 +80,13 @@
            ResponseEventExt event = (ResponseEventExt)evt;

            String contentString = new String(response.getRawContent());
            // jainSip不支持y=字段， 移除以解析。
            int ssrcIndex = contentString.indexOf("y=");
            // 检查是否有y字段
            SessionDescription sdp;
            if (ssrcIndex >= 0) {
               //ssrc规定长度为10字节，不取余下长度以避免后续还有“f=”字段
               String substring = contentString.substring(0, contentString.indexOf("y="));
               sdp = SdpFactory.getInstance().createSessionDescription(substring);
            } else {
               sdp = SdpFactory.getInstance().createSessionDescription(contentString);
            }
            SipURI requestUri = sipLayer.getSipFactory().createAddressFactory().createSipURI(sdp.getOrigin().getUsername(), event.getRemoteIpAddress() + ":" + event.getRemotePort());
            Request reqAck = headerProvider.createAckRequest(requestUri, response);
            Gb28181Sdp gb28181Sdp = SipUtils.parseSDP(contentString);
            SessionDescription sdp = gb28181Sdp.getBaseSdb();
            SipURI requestUri = SipFactory.getInstance().createAddressFactory().createSipURI(sdp.getOrigin().getUsername(), event.getRemoteIpAddress() + ":" + event.getRemotePort());
            Request reqAck = headerProvider.createAckRequest(response.getLocalAddress().getHostAddress(), requestUri, response);

            logger.info("[回复ack] {}-> {}:{} ", sdp.getOrigin().getUsername(), event.getRemoteIpAddress(), event.getRemotePort());
            sipSender.transmitRequest(response.getLocalAddress().getHostAddress(), reqAck);
            sipSender.transmitRequest( response.getLocalAddress().getHostAddress(), reqAck);
         }
      } catch (InvalidArgumentException | ParseException | SipException | SdpParseException e) {
         logger.info("[点播回复ACK]，异常：", e );