support multiple http hooks for a event.

@@ -190,6 +190,7 @@ usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw
 * nginx v1.5.0: 139524 lines <br/>
 
 ### History
+* v0.8, 2013-12-08, support multiple http hooks for a event.
 * v0.8, 2013-12-07, support http callback hooks, on_connect.
 * v0.8, 2013-12-07, support network based cli and json result, add CherryPy 3.2.4.
 * v0.8, 2013-12-07, update http/hls/rtmp load test tool [st_load](https://github.com/winlinvip/st-load), use srs rtmp sdk.

@@ -87,12 +87,14 @@ vhost dev {
     hls_window      30;
     #forward         127.0.0.1:19350;
     #forward         127.0.0.1:1936;
-    on_connect      http://127.0.0.1:8085/api/v1/clients;
+    http_hooks {
+        on_connect      http://127.0.0.1:8085/api/v1/clients http://localhost:8085/api/v1/clients;
         on_close        http://127.0.0.1:8085/api/v1/clients;
         on_publish      http://127.0.0.1:8085/api/v1/streams;
         on_unpublish    http://127.0.0.1:8085/api/v1/streams;
         on_play         http://127.0.0.1:8085/api/v1/sessions;
         on_stop         http://127.0.0.1:8085/api/v1/sessions;
+    }
     transcode {
         enabled     off;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
@@ -133,6 +135,7 @@ vhost dev {
 }
 # the http hook callback vhost, srs will invoke the hooks for specified events.
 vhost hooks.callback.vhost.com {
+    http_hooks {
         # when client connect to vhost/app, call the hook,
         # the request in the POST data string is a object encode by json:
         #       {
@@ -142,7 +145,10 @@ vhost hooks.callback.vhost.com {
         # if valid, the hook must return HTTP code 200(Stauts OK) and response
         # an int value specifies the error code(0 corresponding to success):
         #       0
-    on_connect      http://127.0.0.1:8085/api/v1/clients;
+        # support multiple api hooks, format:
+        #       on_connect http://xxx/api0 http://xxx/api1 http://xxx/apiN
+        on_connect      http://127.0.0.1:8085/api/v1/clients http://localhost:8085/api/v1/clients;
+    }
 }
 # the mirror filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#Filtering-Introduction
 vhost mirror.transcode.vhost.com {

@@ -251,16 +251,19 @@ int SrsClient::check_vhost()
 	
 #ifdef SRS_HTTP	
 	// HTTP: on_connect
-	std::string on_connect = config->get_vhost_on_connect(req->vhost);
-	if (on_connect.empty()) {
+	SrsConfDirective* on_connect = config->get_vhost_on_connect(req->vhost);
+	if (!on_connect) {
 		srs_info("ignore the empty http callback: on_connect");
 		return ret;
 	}
 	
-	if ((ret = http_hooks->on_connect(on_connect, ip, req)) != ERROR_SUCCESS) {
-		srs_error("hook client failed. ret=%d", ret);
+	for (int i = 0; i < (int)on_connect->args.size(); i++) {
+		std::string url = on_connect->args.at(i);
+		if ((ret = http_hooks->on_connect(url, ip, req)) != ERROR_SUCCESS) {
+			srs_error("hook client failed. url=%s, ret=%d", url.c_str(), ret);
 			return ret;
 		}
+	}
 #endif
 	
 	return ret;

@@ -344,7 +344,10 @@ int SrsConfDirective::read_token(SrsFileBuffer* buffer, std::vector<std::string>
 				memcpy(word, pstart, len);
 				word[len - 1] = 0;
 				
-				args.push_back(word);
+				std::string word_str = word;
+				if (!word_str.empty()) {
+					args.push_back(word_str);
+				}
 				srs_freepa(word);
 				
 				if (ch == ';') {
@@ -559,20 +562,20 @@ SrsConfDirective* SrsConfig::get_vhost(std::string vhost)
 	return NULL;
 }
 
-std::string SrsConfig::get_vhost_on_connect(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_connect(std::string vhost)
 {
-	SrsConfDirective* vhost_conf = get_vhost(vhost);
+	SrsConfDirective* conf = get_vhost(vhost);
 
-	if (!vhost_conf) {
-		return "";
+	if (!conf) {
+		return NULL;
 	}
 	
-	SrsConfDirective* conf = vhost_conf->get("on_connect");
+	conf = conf->get("http_hooks");
 	if (!conf) {
-		return "";
+		return NULL;
 	}
 	
-	return conf->arg0();
+	return conf->get("on_connect");
 }
 
 bool SrsConfig::get_vhost_enabled(std::string vhost)

@@ -119,7 +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_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);