From c084d6c98af1ef4d36a61adc719df5db76589428 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期六, 07 十月 2023 18:00:08 +0800
Subject: [PATCH] 优化国标级联心跳失败判断逻辑

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/InviteResponseProcessor.java |   79 ++++++++++++++-------------------------
 1 files changed, 28 insertions(+), 51 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/InviteResponseProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/InviteResponseProcessor.java
old mode 100644
new mode 100755
index 923d79f..436d2a4
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/InviteResponseProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/response/impl/InviteResponseProcessor.java
@@ -1,25 +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.session.VideoStreamSessionManager;
+import com.genersoft.iot.vmp.gb28181.SipLayer;
+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.SIPRequestHeaderProvider;
 import com.genersoft.iot.vmp.gb28181.transmit.event.response.SIPResponseProcessorAbstract;
 import com.genersoft.iot.vmp.gb28181.utils.SipUtils;
 import gov.nist.javax.sip.ResponseEventExt;
-import gov.nist.javax.sip.stack.SIPDialog;
+import gov.nist.javax.sip.message.SIPResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 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;
@@ -37,16 +38,18 @@
 	private final String method = "INVITE";
 
 	@Autowired
-	private VideoStreamSessionManager streamSession;
-
-	@Autowired
 	private SIPProcessorObserver sipProcessorObserver;
 
-	@Autowired
-	private SipConfig sipConfig;
 
 	@Autowired
-	private SipFactory sipFactory;
+	private SipLayer sipLayer;
+
+	@Autowired
+	private SIPSender sipSender;
+
+	@Autowired
+	private SIPRequestHeaderProvider headerProvider;
+
 
 	@Override
 	public void afterPropertiesSet() throws Exception {
@@ -64,8 +67,9 @@
 	 */
 	@Override
 	public void process(ResponseEvent evt ){
+		logger.debug("鎺ユ敹鍒版秷鎭細" + evt.getResponse());
 		try {
-			Response response = evt.getResponse();
+			SIPResponse response = (SIPResponse)evt.getResponse();
 			int statusCode = response.getStatusCode();
 			// trying涓嶄細鍥炲
 			if (statusCode == Response.TRYING) {
@@ -74,45 +78,18 @@
 			// 涓嬪彂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();
+
 				String contentString = new String(response.getRawContent());
-				// jainSip涓嶆敮鎸亂=瀛楁锛� 绉婚櫎浠ヨВ鏋愩��
-				int ssrcIndex = contentString.indexOf("y=");
-				// 妫�鏌ユ槸鍚︽湁y瀛楁
-				SessionDescription sdp;
-				if (ssrcIndex >= 0) {
-					//ssrc瑙勫畾闀垮害涓�10瀛楄妭锛屼笉鍙栦綑涓嬮暱搴︿互閬垮厤鍚庣画杩樻湁鈥渇=鈥濆瓧娈�
-					String substring = contentString.substring(0, contentString.indexOf("y="));
-					sdp = SdpFactory.getInstance().createSessionDescription(substring);
-				} else {
-					sdp = SdpFactory.getInstance().createSessionDescription(contentString);
-				}
-				requestURI.setUser(sdp.getOrigin().getUsername());
-				try {
-					requestURI.setHost(event.getRemoteIpAddress());
-				} catch (ParseException e) {
-					e.printStackTrace();
-				}
-				requestURI.setPort(event.getRemotePort());
-				reqAck.setRequestURI(requestURI);
-				UserAgentHeader userAgentHeader = SipUtils.createUserAgentHeader(sipFactory);
-				reqAck.addHeader(userAgentHeader);
-				Address concatAddress = sipFactory.createAddressFactory().createAddress(sipFactory.createAddressFactory().createSipURI(sipConfig.getId(), sipConfig.getIp()+":"+sipConfig.getPort()));
-				reqAck.addHeader(sipFactory.createHeaderFactory().createContactHeader(concatAddress));
-				logger.info("[鍥炲ack] {}-> {}:{} ",requestURI, event.getRemoteIpAddress(), event.getRemotePort());
+				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);
 
-				dialog.sendAck(reqAck);
-
+				logger.info("[鍥炲ack] {}-> {}:{} ", sdp.getOrigin().getUsername(), event.getRemoteIpAddress(), event.getRemotePort());
+				sipSender.transmitRequest( response.getLocalAddress().getHostAddress(), reqAck);
 			}
-		} catch (InvalidArgumentException | SipException e) {
-			e.printStackTrace();
-		} catch (ParseException e) {
-			throw new RuntimeException(e);
-		} catch (SdpParseException e) {
-			throw new RuntimeException(e);
+		} catch (InvalidArgumentException | ParseException | SipException | SdpParseException e) {
+			logger.info("[鐐规挱鍥炲ACK]锛屽紓甯革細", e );
 		}
 	}
 

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