http-flv支持延时注册流

src/Http/HttpSession.cpp

@@ -209,24 +209,43 @@ inline bool HttpSession::checkLiveFlvStream(){
 		//未找到".flv"后缀
 		return false;
 	}
-    //拼接成完整url
-    auto fullUrl = string(HTTP_SCHEMA) + "://" + _parser["Host"] + _parser.FullUrl();
-    _mediaInfo.parse(fullUrl);
-    _mediaInfo._streamid.erase(_mediaInfo._streamid.size() - 4);//去除.flv后缀
 
-	auto mediaSrc = dynamic_pointer_cast<RtmpMediaSource>(MediaSource::find(RTMP_SCHEMA,_mediaInfo._vhost,_mediaInfo._app,_mediaInfo._streamid));
-	if(!mediaSrc){
-		//该rtmp源不存在
+	//这是个.flv的流
+    _mediaInfo.parse(string(RTMP_SCHEMA) + "://" + _parser["Host"] + _parser.FullUrl());
+	if(_mediaInfo._app.empty() || _mediaInfo._streamid.size() < 5){
+	    //url不合法
         return false;
 	}
+    _mediaInfo._streamid.erase(_mediaInfo._streamid.size() - 4);//去除.flv后缀
 
-    auto onRes = [this,mediaSrc](const string &err){
+    GET_CONFIG_AND_REGISTER(uint32_t,reqCnt,Http::kMaxReqCount);
+    bool bClose = (strcasecmp(_parser["Connection"].data(),"close") == 0) || ( ++_iReqCnt > reqCnt);
+
+    weak_ptr<HttpSession> weakSelf = dynamic_pointer_cast<HttpSession>(shared_from_this());
+    MediaSource::findAsync(_mediaInfo,weakSelf.lock(), true,5000,[weakSelf,bClose,this](const MediaSource::Ptr &src){
+        auto strongSelf = weakSelf.lock();
+        if(!strongSelf){
+            //本对象已经销毁
+            return;
+        }
+        auto rtmp_src = dynamic_pointer_cast<RtmpMediaSource>(src);
+        if(!rtmp_src){
+            //未找到该流
+            sendNotFound(bClose);
+            if(bClose){
+                shutdown();
+            }
+            return;
+        }
+        //找到流了
+        auto onRes = [this,rtmp_src](const string &err){
             bool authSuccess = err.empty();
             if(!authSuccess){
                 sendResponse("401 Unauthorized", makeHttpHeader(true,err.size()),err);
                 shutdown();
                 return ;
             }
+
             //找到rtmp源，发送http头，负载后续发送
             sendResponse("200 OK", makeHttpHeader(false,0,get_mime_type(".flv")), "");
 
@@ -236,7 +255,7 @@ inline bool HttpSession::checkLiveFlvStream(){
             (*this) << SocketFlags(kSockFlags);
 
             try{
-			start(getPoller(),mediaSrc);
+                start(getPoller(),rtmp_src);
             }catch (std::exception &ex){
                 //该rtmp源不存在
                 shutdown();
@@ -262,6 +281,7 @@ inline bool HttpSession::checkLiveFlvStream(){
             //该事件无人监听,默认不鉴权
             onRes("");
         }
+    });
     return true;
 }