From ca5139929b8b5853229ca3d63e2bca1ce82fa0ab Mon Sep 17 00:00:00 2001
From: songww <songww@inspur.com>
Date: 星期三, 13 五月 2020 14:55:06 +0800
Subject: [PATCH] 尝试修复catalog获取失败。服务重启后设备未注册仍上报keeplive处理

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java |   49 +++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 45 insertions(+), 4 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java
index 4204ce7..f825584 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/response/impl/InviteResponseProcessor.java
@@ -1,15 +1,25 @@
 package com.genersoft.iot.vmp.gb28181.transmit.response.impl;
 
+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.address.SipURI;
+import javax.sip.header.CSeqHeader;
+import javax.sip.header.ViaHeader;
 import javax.sip.message.Request;
+import javax.sip.message.Response;
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 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;
 
 /**    
@@ -20,20 +30,51 @@
 @Component
 public class InviteResponseProcessor implements ISIPResponseProcessor {
 
+	private final static Logger logger = LoggerFactory.getLogger(SIPProcessorFactory.class);
+	
 	/**
 	 * 澶勭悊invite鍝嶅簲
 	 * 
-	 * @param request
+	 * @param evt
 	 *            鍝嶅簲娑堟伅
 	 */ 
 	@Override
 	public void process(ResponseEvent evt, SipLayer layer, SipConfig config) {
 		try {
-			Dialog dialog = evt.getDialog();
-			Request reqAck =dialog.createAck(1L);
-			dialog.sendAck(reqAck);
+			Response response = evt.getResponse();
+			int statusCode = response.getStatusCode();
+			//trying涓嶄細鍥炲
+			if(statusCode == Response.TRYING){
+
+			}
+			//鎴愬姛鍝嶅簲
+			//涓嬪彂ack
+			if(statusCode == Response.OK){
+				ClientTransaction clientTransaction = evt.getClientTransaction();
+				if(clientTransaction == null){
+					logger.error("鍥炲ACK鏃讹紝clientTransaction涓簄ull >>> {}",response);
+					return;
+				}
+				Dialog clientDialog = clientTransaction.getDialog();
+
+				CSeqHeader clientCSeqHeader = (CSeqHeader) response.getHeader(CSeqHeader.NAME);
+				long cseqId = clientCSeqHeader.getSeqNumber();
+				/*
+				createAck鍑芥暟锛屽垱寤虹殑ackRequest锛屼細閲囩敤Invite鍝嶅簲鐨�200OK锛屼腑鐨刢ontact瀛楁涓殑鍦板潃锛屼綔涓虹洰鏍囧湴鍧�銆�
+				鏈夌殑缁堢浼犱笂鏉ョ殑鍙兘杩樻槸鍐呯綉鍦板潃锛屼細閫犳垚ack鍙戦�佷笉鍑哄幓銆傛帴鍙椾笉鍒伴煶瑙嗛娴�
+				鎵�浠ュ湪姝ゅ缁熶竴鏇挎崲鍦板潃銆傚拰鍝嶅簲娑堟伅鐨刅ia澶翠腑鐨勫湴鍧�淇濇寔涓�鑷淬��
+				 */
+				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);
+			}
 		} catch (InvalidArgumentException | SipException e) {
 			e.printStackTrace();
+		} catch (ParseException e) {
+			e.printStackTrace();
 		}
 	}
 

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