add http callback in config

@@ -475,6 +475,8 @@ int SrsConfig::reload()
 		srs_trace("reload pithy_print success.");
 	}
 	
+	// TODO: suppor reload hls/forward/ffmpeg/http
+	
 	return ret;
 }
 
@@ -557,6 +559,22 @@ SrsConfDirective* SrsConfig::get_vhost(std::string vhost)
 	return NULL;
 }
 
+std::string SrsConfig::get_vhost_on_connect(std::string vhost)
+{
+	SrsConfDirective* vhost_conf = get_vhost(vhost);
+
+	if (!vhost_conf) {
+		return "";
+	}
+	
+	SrsConfDirective* conf = vhost_conf->get("on_connect");
+	if (!conf) {
+		return "";
+	}
+	
+	return conf->arg0();
+}
+
 bool SrsConfig::get_vhost_enabled(std::string vhost)
 {
 	SrsConfDirective* vhost_conf = get_vhost(vhost);
@@ -1128,6 +1146,7 @@ int SrsConfig::parse_file(const char* filename)
 	// TODO: check hls.
 	// TODO: check ssl.
 	// TODO: check ffmpeg.
+	// TODO: check http.
 	
 	return ret;
 }

@@ -119,6 +119,7 @@ public:
 public:
 	virtual SrsConfDirective* get_vhost(std::string vhost);
 	virtual bool    		  get_vhost_enabled(std::string vhost);
+	virtual std::string		  get_vhost_on_connect(std::string vhost);
 	virtual SrsConfDirective* get_transcode(std::string vhost, std::string scope);
 	virtual bool    		  get_transcode_enabled(SrsConfDirective* transcode);
 	virtual std::string		  get_transcode_ffmpeg(SrsConfDirective* transcode);