From 59bda74e88ec95890cb13d54aefef38e27411c01 Mon Sep 17 00:00:00 2001
From: 648540858 <648540858@qq.com>
Date: 星期三, 17 八月 2022 17:06:33 +0800
Subject: [PATCH] 处理获取消息体内容为空时造成的空指针异常

---
 src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java |   85 ++++++++++++++++++++++++++++++++++++------
 1 files changed, 72 insertions(+), 13 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
index fda3bff..34cb753 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
@@ -17,9 +17,11 @@
 import com.genersoft.iot.vmp.media.zlm.ZLMMediaListManager;
 import com.genersoft.iot.vmp.media.zlm.ZLMRTPServerFactory;
 import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
+import com.genersoft.iot.vmp.media.zlm.dto.StreamProxyItem;
 import com.genersoft.iot.vmp.media.zlm.dto.StreamPushItem;
 import com.genersoft.iot.vmp.service.IMediaServerService;
 import com.genersoft.iot.vmp.service.IPlayService;
+import com.genersoft.iot.vmp.service.IStreamProxyService;
 import com.genersoft.iot.vmp.service.IStreamPushService;
 import com.genersoft.iot.vmp.service.bean.MessageForPushChannel;
 import com.genersoft.iot.vmp.service.bean.SSRCInfo;
@@ -65,6 +67,8 @@
 
     @Autowired
     private IStreamPushService streamPushService;
+    @Autowired
+    private IStreamProxyService streamProxyService;
 
     @Autowired
     private IRedisCatchStorage redisCatchStorage;
@@ -120,10 +124,7 @@
         //  Invite Request娑堟伅瀹炵幇锛屾娑堟伅涓�鑸负绾ц仈娑堟伅锛屼笂绾х粰涓嬬骇鍙戦�佽姹傝棰戞寚浠�
         try {
             Request request = evt.getRequest();
-            SipURI sipUri = (SipURI) request.getRequestURI();
-            //浠巗ubject璇诲彇channelId,涓嶅啀浠巖equest-line璇诲彇銆� 鏈変簺骞冲彴request-line鏄钩鍙板浗鏍囩紪鐮侊紝涓嶆槸璁惧鍥芥爣缂栫爜銆�
-            //String channelId = sipURI.getUser();
-            String channelId = SipUtils.getChannelIdFromHeader(request);
+            String channelId = SipUtils.getChannelIdFromRequest(request);
             String requesterId = SipUtils.getUserIdFromFromHeader(request);
             CallIdHeader callIdHeader = (CallIdHeader) request.getHeader(CallIdHeader.NAME);
             if (requesterId == null || channelId == null) {
@@ -145,6 +146,7 @@
 
                 MediaServerItem mediaServerItem = null;
                 StreamPushItem streamPushItem = null;
+                StreamProxyItem proxyByAppAndStream =null;
                 // 涓嶆槸閫氶亾鍙兘鏄洿鎾祦
                 if (channel != null && gbStream == null) {
                     if (channel.getStatus() == 0) {
@@ -174,6 +176,13 @@
                         if ("push".equals(gbStream.getStreamType())) {
                             streamPushItem = streamPushService.getPush(gbStream.getApp(), gbStream.getStream());
                             if (streamPushItem == null) {
+                                logger.info("[ app={}, stream={} ]鎵句笉鍒皕lm {}锛岃繑鍥�410", gbStream.getApp(), gbStream.getStream(), mediaServerId);
+                                responseAck(evt, Response.GONE);
+                                return;
+                            }
+                        }else if("proxy".equals(gbStream.getStreamType())){
+                            proxyByAppAndStream = streamProxyService.getStreamProxyByAppAndStream(gbStream.getApp(), gbStream.getStream());
+                            if (proxyByAppAndStream == null) {
                                 logger.info("[ app={}, stream={} ]鎵句笉鍒皕lm {}锛岃繑鍥�410", gbStream.getApp(), gbStream.getStream(), mediaServerId);
                                 responseAck(evt, Response.GONE);
                                 return;
@@ -419,14 +428,33 @@
                         }
                     }
                 } else if (gbStream != null) {
-                    if (streamPushItem != null && streamPushItem.isPushIng()) {
-                        // 鎺ㄦ祦鐘舵��
-                        pushStream(evt, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
-                                mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
-                    } else {
-                        // 鏈帹娴� 鎷夎捣
-                        notifyStreamOnline(evt, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
-                                mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
+                    if("push".equals(gbStream.getStreamType())) {
+                        if (streamPushItem != null && streamPushItem.isPushIng()) {
+                            // 鎺ㄦ祦鐘舵��
+                            pushStream(evt, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
+                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
+                        } else {
+                            // 鏈帹娴� 鎷夎捣
+                            notifyStreamOnline(evt, gbStream, streamPushItem, platform, callIdHeader, mediaServerItem, port, tcpActive,
+                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
+                        }
+                    }else if ("proxy".equals(gbStream.getStreamType())){
+                        if(null != proxyByAppAndStream &&proxyByAppAndStream.isStatus()){
+                            pushProxyStream(evt, gbStream,  platform, callIdHeader, mediaServerItem, port, tcpActive,
+                                    mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
+                        }else{
+                            //寮�鍚唬鐞嗘媺娴�
+                            boolean start1 = streamProxyService.start(gbStream.getApp(), gbStream.getStream());
+                            if(start1) {
+                                pushProxyStream(evt, gbStream,  platform, callIdHeader, mediaServerItem, port, tcpActive,
+                                        mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
+                            }else{
+                                //澶辫触鍚庨�氱煡
+                                notifyStreamOnline(evt, gbStream, null, platform, callIdHeader, mediaServerItem, port, tcpActive,
+                                        mediaTransmissionTCP, channelId, addressStr, ssrc, requesterId);
+                            }
+                        }
+
                     }
                 }
             }
@@ -445,7 +473,39 @@
     /**
      * 瀹夋帓鎺ㄦ祦
      */
+    private void pushProxyStream(RequestEvent evt, GbStream gbStream, ParentPlatform platform,
+                            CallIdHeader callIdHeader, MediaServerItem mediaServerItem,
+                            int port, Boolean tcpActive, boolean mediaTransmissionTCP,
+                            String channelId, String addressStr, String ssrc, String requesterId) throws InvalidArgumentException, ParseException, SipException {
+            Boolean streamReady = zlmrtpServerFactory.isStreamReady(mediaServerItem, gbStream.getApp(), gbStream.getStream());
+            if (streamReady) {
+                // 鑷钩鍙板唴瀹�
+                SendRtpItem sendRtpItem = zlmrtpServerFactory.createSendRtpItem(mediaServerItem, addressStr, port, ssrc, requesterId,
+                        gbStream.getApp(), gbStream.getStream(), channelId,
+                        mediaTransmissionTCP);
 
+                if (sendRtpItem == null) {
+                    logger.warn("鏈嶅姟鍣ㄧ鍙h祫婧愪笉瓒�");
+                    responseAck(evt, Response.BUSY_HERE);
+                    return;
+                }
+                if (tcpActive != null) {
+                    sendRtpItem.setTcpActive(tcpActive);
+                }
+                sendRtpItem.setPlayType(InviteStreamType.PUSH);
+                // 鍐欏叆redis锛� 瓒呮椂鏃跺洖澶�
+                sendRtpItem.setStatus(1);
+                sendRtpItem.setCallId(callIdHeader.getCallId());
+                byte[] dialogByteArray = SerializeUtils.serialize(evt.getDialog());
+                sendRtpItem.setDialog(dialogByteArray);
+                byte[] transactionByteArray = SerializeUtils.serialize(evt.getServerTransaction());
+                sendRtpItem.setTransaction(transactionByteArray);
+                redisCatchStorage.updateSendRTPSever(sendRtpItem);
+                sendStreamAck(mediaServerItem, sendRtpItem, platform, evt);
+
+        }
+
+    }
     private void pushStream(RequestEvent evt, GbStream gbStream, StreamPushItem streamPushItem, ParentPlatform platform,
                             CallIdHeader callIdHeader, MediaServerItem mediaServerItem,
                             int port, Boolean tcpActive, boolean mediaTransmissionTCP,
@@ -490,7 +550,6 @@
         }
 
     }
-
     /**
      * 閫氱煡娴佷笂绾�
      */

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