+server support band check +every vhost can have it's own chunk size

@@ -80,7 +80,7 @@ else
         --yasmexe=${ff_yasm_bin} \
         --prefix=${ff_release_dir} --cc= \
         --enable-static --disable-shared --disable-debug \
-        --extra-cflags='-I${ffmpeg_exported_release_dir}/include' \
+        --extra-cflags='-I${ffmpeg_exported_release_dir}/include -I /usr/include/freetype2/' \
         --extra-ldflags='-L${ffmpeg_exported_release_dir}/lib -lm -ldl' \
         --disable-ffplay --disable-ffprobe --disable-ffserver --disable-doc \
         --enable-postproc --enable-bzlib --enable-zlib --enable-parsers \

 listen              19350;
-chunk_size          65000;
 vhost __defaultVhost__ {
+	chunk_size		65000;
     enabled         on;
     gop_cache       on;
     hls             on;

 # the listen ports, split by space.
 listen              1935;
-# the default chunk size is 128, max is 65536,
-# some client does not support chunk size change,
-# however, most clients supports it and it can improve 
-# performance about 10%.
-# if not specified, set to 4096.
-chunk_size          65000;
 # the logs dir.
 # if enabled ffmpeg, each stracoding stream will create a log file.
 # default: ./objs/logs
@@ -19,6 +13,12 @@ max_connections     2000;
 # for which cannot identify the required vhost.
 # for default demo.
 vhost __defaultVhost__ {
+	# the default chunk size is 128, max is 65536,
+	# some client does not support chunk size change,
+	# however, most clients supports it and it can improve 
+	# performance about 10%.
+	# if not specified, set to 4096.
+	chunk_size		65000;
     enabled         on;
     gop_cache       on;
     hls             on;
@@ -79,6 +79,7 @@ vhost __defaultVhost__ {
 }
 # for development
 vhost dev {
+	chunk_size		65000;
     enabled         on;
     gop_cache       on;
     hls             on;
@@ -87,7 +88,7 @@ vhost dev {
     hls_window      30;
     forward         127.0.0.1:19350;
     http_hooks {
-        enabled         on;
+        enabled         off;
         on_connect      http://127.0.0.1:8085/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;
@@ -133,6 +134,20 @@ vhost dev {
         }
     }
 }
+
+vhost bandcheck.srs.com {
+	chunk_size      65000;
+	enabled         on;
+	# vhost for band width check
+	bandcheck{
+		enabled			on;
+		key             test kate;
+		interval		30;
+		max_play_kbps   45000;
+		max_pub_kbps    25000;
+	}
+}
+
 # the http hook callback vhost, srs will invoke the hooks for specified events.
 vhost hooks.callback.vhost.com {
     http_hooks {

@@ -33,7 +33,7 @@ static int64_t _srs_system_time_us_cache = 0;
 
 int64_t srs_get_system_time_ms()
 {
-	return _srs_system_time_us_cache / 1000;
+    return _srs_system_time_us_cache / 1000;
 }
 
 void srs_update_system_time_ms()
@@ -43,7 +43,7 @@ void srs_update_system_time_ms()
     gettimeofday(&now, NULL);
 
     // we must convert the tv_sec/tv_usec to int64_t.
-    _srs_system_time_us_cache = now.tv_sec * 1000 * 1000 + now.tv_usec;
+    _srs_system_time_us_cache = ((int64_t)now.tv_sec) * 1000 * 1000 + (int64_t)now.tv_usec;
     
     _srs_system_time_us_cache = srs_max(0, _srs_system_time_us_cache);
 }
@@ -103,11 +103,11 @@ void srs_vhost_resolve(std::string& vhost, std::string& app)
 	if ((pos = query.find("vhost?")) != std::string::npos
 		|| (pos = query.find("vhost=")) != std::string::npos
 		|| (pos = query.find("Vhost?")) != std::string::npos
-		|| (pos = query.find("Vhost=")) != std::string::npos
-	) {
+        || (pos = query.find("Vhost=")) != std::string::npos)
+    {
 		query = query.substr(pos + 6);
 		if (!query.empty()) {
 			vhost = query;
 		}
-	}
+    }
 }

@@ -102,4 +102,4 @@ extern std::string srs_dns_resolve(std::string host);
 //		app...vhost...request_vhost
 extern void srs_vhost_resolve(std::string& vhost, std::string& app);
 
-#endif
\ No newline at end of file
+#endif

@@ -117,8 +117,8 @@ int SrsClient::do_cycle()
 int SrsClient::service_cycle()
 {	
 	int ret = ERROR_SUCCESS;
-	
-	if ((ret = rtmp->set_window_ack_size(2.5 * 1000 * 1000)) != ERROR_SUCCESS) {
+
+    if ((ret = rtmp->set_window_ack_size(2.5 * 1000 * 1000)) != ERROR_SUCCESS) {
 		srs_error("set window acknowledgement size failed. ret=%d", ret);
 		return ret;
 	}
@@ -129,29 +129,59 @@ int SrsClient::service_cycle()
 		return ret;
 	}
 	srs_verbose("set peer bandwidth success");
+
+    if(config->get_bw_check_enabled(req->vhost, req->bw_key))
+    {
+        static int64_t last_check_time_ms = srs_get_system_time_ms();
+        int64_t interval_ms = 0;
+        int     play_kbps   = 0;
+        int     pub_kbps    = 0;
+        config->get_bw_check_settings(req->vhost, interval_ms, play_kbps, pub_kbps);
+
+        if((srs_get_system_time_ms() - last_check_time_ms) < interval_ms
+                && last_check_time_ms != srs_get_system_time_ms())
+        {
+            srs_trace("bandcheck interval less than limted interval. last time=%lld, current time=%lld"
+                      , last_check_time_ms, srs_get_system_time_ms());
+            return rtmp->response_connect_reject(req, "your bandcheck frequency is too high!");
+        } else {
+            last_check_time_ms = srs_get_system_time_ms();  // update last check time
+            char* local_ip = 0;
+            if((ret = get_local_ip(local_ip)) != ERROR_SUCCESS){
+                srs_error("get local ip failed. ret = %d", ret);
+                return ret;
+            }
+            if ((ret = rtmp->response_connect_app(req, local_ip)) != ERROR_SUCCESS) {
+                srs_error("response connect app failed. ret=%d", ret);
+                return ret;
+            }
+            return rtmp->start_bandwidth_check(play_kbps, pub_kbps);
+        }
+    }
 		
 	if ((ret = rtmp->response_connect_app(req)) != ERROR_SUCCESS) {
 		srs_error("response connect app failed. ret=%d", ret);
 		return ret;
 	}
-	srs_verbose("response connect app success");
+    srs_verbose("response connect app success");
 		
 	if ((ret = rtmp->on_bw_done()) != ERROR_SUCCESS) {
 		srs_error("on_bw_done failed. ret=%d", ret);
 		return ret;
 	}
 	srs_verbose("on_bw_done success");
-	
-	SrsClientType type;
-	if ((ret = rtmp->identify_client(res->stream_id, type, req->stream)) != ERROR_SUCCESS) {
-		srs_error("identify client failed. ret=%d", ret);
-		return ret;
-	}
+
+    SrsClientType type;
+    if ((ret = rtmp->identify_client(res->stream_id, type, req->stream)) != ERROR_SUCCESS) {
+            srs_error("identify client failed. ret=%d", ret);
+            return ret;
+    }
+
 	req->strip();
 	srs_trace("identify client success. type=%d, stream_name=%s", type, req->stream.c_str());
 	
 	int chunk_size = 4096;
-	SrsConfDirective* conf = config->get_chunk_size();
+    SrsConfDirective* conf = config->get_chunk_size(req->vhost);
 	if (conf && !conf->arg0().empty()) {
 		chunk_size = ::atoi(conf->arg0().c_str());
 	}
@@ -517,6 +547,40 @@ int SrsClient::get_peer_ip()
     return ret;
 }
 
+int SrsClient::get_local_ip(char *&local_ip)
+{
+    int ret = ERROR_SUCCESS;
+
+    int fd = st_netfd_fileno(stfd);
+
+    // discovery client information
+    sockaddr_in addr;
+    socklen_t addrlen = sizeof(addr);
+    if (getsockname(fd, (sockaddr*)&addr, &addrlen) == -1) {
+        ret = ERROR_SOCKET_GET_LOCAL_IP;
+        srs_error("discovery local ip information failed. ret=%d", ret);
+        return ret;
+    }
+    srs_verbose("get local ip success.");
+
+    // ip v4 or v6
+    char buf[INET6_ADDRSTRLEN];
+    memset(buf, 0, sizeof(buf));
+
+    if ((inet_ntop(addr.sin_family, &addr.sin_addr, buf, sizeof(buf))) == NULL) {
+        ret = ERROR_SOCKET_GET_LOCAL_IP;
+        srs_error("convert local ip information failed. ret=%d", ret);
+        return ret;
+    }
+
+    local_ip = new char[strlen(buf) + 1];
+    strcpy(local_ip, buf);
+
+    srs_verbose("get local ip of client ip=%s, fd=%d", buf, fd);
+
+    return ret;
+}
+
 int SrsClient::process_play_control_msg(SrsConsumer* consumer, SrsCommonMessage* msg)
 {
 	int ret = ERROR_SUCCESS;

@@ -70,6 +70,7 @@ private:
 	virtual int publish(SrsSource* source, bool is_fmle);
 	virtual int process_publish_message(SrsSource* source, SrsCommonMessage* msg, bool is_fmle);
 	virtual int get_peer_ip();
+    virtual int get_local_ip(char *&local_ip);
 	virtual int process_play_control_msg(SrsConsumer* consumer, SrsCommonMessage* msg);
 private:
 	virtual int on_connect();
@@ -80,4 +81,4 @@ private:
 	virtual void on_stop();
 };
 
-#endif
\ No newline at end of file
+#endif

@@ -539,7 +539,7 @@ int SrsConfig::parse_options(int argc, char** argv)
 	return parse_file(config_file.c_str());
 }
 
-SrsConfDirective* SrsConfig::get_vhost(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost(const std::string& vhost)
 {
 	srs_assert(root);
 	
@@ -562,7 +562,7 @@ SrsConfDirective* SrsConfig::get_vhost(std::string vhost)
 	return NULL;
 }
 
-SrsConfDirective* SrsConfig::get_vhost_on_connect(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_connect(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -583,7 +583,7 @@ SrsConfDirective* SrsConfig::get_vhost_on_connect(std::string vhost)
 	return conf->get("on_connect");
 }
 
-SrsConfDirective* SrsConfig::get_vhost_on_close(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_close(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -604,7 +604,7 @@ SrsConfDirective* SrsConfig::get_vhost_on_close(std::string vhost)
 	return conf->get("on_close");
 }
 
-SrsConfDirective* SrsConfig::get_vhost_on_publish(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_publish(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -625,7 +625,7 @@ SrsConfDirective* SrsConfig::get_vhost_on_publish(std::string vhost)
 	return conf->get("on_publish");
 }
 
-SrsConfDirective* SrsConfig::get_vhost_on_unpublish(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_unpublish(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -646,7 +646,7 @@ SrsConfDirective* SrsConfig::get_vhost_on_unpublish(std::string vhost)
 	return conf->get("on_unpublish");
 }
 
-SrsConfDirective* SrsConfig::get_vhost_on_play(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_play(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -667,7 +667,7 @@ SrsConfDirective* SrsConfig::get_vhost_on_play(std::string vhost)
 	return conf->get("on_play");
 }
 
-SrsConfDirective* SrsConfig::get_vhost_on_stop(std::string vhost)
+SrsConfDirective* SrsConfig::get_vhost_on_stop(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -688,7 +688,7 @@ SrsConfDirective* SrsConfig::get_vhost_on_stop(std::string vhost)
 	return conf->get("on_stop");
 }
 
-bool SrsConfig::get_vhost_enabled(std::string vhost)
+bool SrsConfig::get_vhost_enabled(const std::string &vhost)
 {
 	SrsConfDirective* vhost_conf = get_vhost(vhost);
 
@@ -708,7 +708,7 @@ bool SrsConfig::get_vhost_enabled(std::string vhost)
 	return true;
 }
 
-SrsConfDirective* SrsConfig::get_transcode(std::string vhost, std::string scope)
+SrsConfDirective* SrsConfig::get_transcode(const std::string &vhost, const std::string &scope)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1059,7 +1059,7 @@ int SrsConfig::get_max_connections()
 	return ::atoi(conf->arg0().c_str());
 }
 
-SrsConfDirective* SrsConfig::get_gop_cache(std::string vhost)
+SrsConfDirective* SrsConfig::get_gop_cache(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1070,7 +1070,7 @@ SrsConfDirective* SrsConfig::get_gop_cache(std::string vhost)
 	return conf->get("gop_cache");
 }
 
-SrsConfDirective* SrsConfig::get_forward(std::string vhost)
+SrsConfDirective* SrsConfig::get_forward(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1081,7 +1081,7 @@ SrsConfDirective* SrsConfig::get_forward(std::string vhost)
 	return conf->get("forward");
 }
 
-SrsConfDirective* SrsConfig::get_hls(std::string vhost)
+SrsConfDirective* SrsConfig::get_hls(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1092,7 +1092,7 @@ SrsConfDirective* SrsConfig::get_hls(std::string vhost)
 	return conf->get("hls");
 }
 
-bool SrsConfig::get_hls_enabled(std::string vhost)
+bool SrsConfig::get_hls_enabled(const std::string &vhost)
 {
 	SrsConfDirective* hls = get_hls(vhost);
 	
@@ -1107,7 +1107,7 @@ bool SrsConfig::get_hls_enabled(std::string vhost)
 	return true;
 }
 
-SrsConfDirective* SrsConfig::get_hls_path(std::string vhost)
+SrsConfDirective* SrsConfig::get_hls_path(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1118,7 +1118,7 @@ SrsConfDirective* SrsConfig::get_hls_path(std::string vhost)
 	return conf->get("hls_path");
 }
 
-SrsConfDirective* SrsConfig::get_hls_fragment(std::string vhost)
+SrsConfDirective* SrsConfig::get_hls_fragment(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1129,7 +1129,7 @@ SrsConfDirective* SrsConfig::get_hls_fragment(std::string vhost)
 	return conf->get("hls_fragment");
 }
 
-SrsConfDirective* SrsConfig::get_hls_window(std::string vhost)
+SrsConfDirective* SrsConfig::get_hls_window(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1140,7 +1140,7 @@ SrsConfDirective* SrsConfig::get_hls_window(std::string vhost)
 	return conf->get("hls_window");
 }
 
-SrsConfDirective* SrsConfig::get_refer(std::string vhost)
+SrsConfDirective* SrsConfig::get_refer(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1151,7 +1151,7 @@ SrsConfDirective* SrsConfig::get_refer(std::string vhost)
 	return conf->get("refer");
 }
 
-SrsConfDirective* SrsConfig::get_refer_play(std::string vhost)
+SrsConfDirective* SrsConfig::get_refer_play(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1162,7 +1162,7 @@ SrsConfDirective* SrsConfig::get_refer_play(std::string vhost)
 	return conf->get("refer_play");
 }
 
-SrsConfDirective* SrsConfig::get_refer_publish(std::string vhost)
+SrsConfDirective* SrsConfig::get_refer_publish(const std::string &vhost)
 {
 	SrsConfDirective* conf = get_vhost(vhost);
 
@@ -1178,9 +1178,15 @@ SrsConfDirective* SrsConfig::get_listen()
 	return root->get("listen");
 }
 
-SrsConfDirective* SrsConfig::get_chunk_size()
+SrsConfDirective* SrsConfig::get_chunk_size(const std::string &vhost)
 {
-	return root->get("chunk_size");
+    SrsConfDirective* conf = get_vhost(vhost);
+
+    if (!conf) {
+        return NULL;
+    }
+
+    return conf->get("chunk_size");
 }
 
 SrsConfDirective* SrsConfig::get_pithy_print_publish()
@@ -1230,7 +1236,63 @@ SrsConfDirective* SrsConfig::get_pithy_print_play()
 		return NULL;
 	}
 	
-	return pithy->get("play");
+    return pithy->get("play");
+}
+
+bool SrsConfig::get_bw_check_enabled(const std::string &vhost, const std::string &key)
+{
+    SrsConfDirective* conf = get_vhost(vhost);
+
+    if (!conf) {
+        return false;
+    }
+
+    SrsConfDirective* bw_test = conf->get("bandcheck");
+    if(!bw_test)
+        return false;
+
+    SrsConfDirective* bw_enabled_conf = bw_test->get("enabled");
+    if(bw_enabled_conf && bw_enabled_conf->arg0() == "on"){
+        SrsConfDirective* bw_key = bw_test->get("key");
+        if(!bw_key) return false;
+
+        std::vector<std::string> &args = bw_key->args;
+        for(unsigned int i = 0; i < args.size(); ++i){
+            if(args.at(i) == key)
+                return true;
+        }
+    }
+
+    return false;
+}
+
+void SrsConfig::get_bw_check_settings(const std::string &vhost, int64_t &interval_ms, int &play_kbps, int &pub_kbps)
+{
+    // set default value;
+    interval_ms = 30 * 1000;
+    play_kbps   = 45000;
+    pub_kbps    = 25000;
+
+    SrsConfDirective* conf = get_vhost(vhost);
+    if (!conf) {
+        return;
+    }
+
+    SrsConfDirective* bw_test = conf->get("bandcheck");
+    if(!bw_test)
+        return;
+
+    SrsConfDirective* interval_conf = bw_test->get("interval");
+    if(interval_conf)
+        interval_ms = ::atoll(interval_conf->arg0().c_str()) * 1000;
+
+    SrsConfDirective* play_conf = bw_test->get("max_play_kbps");
+    if(play_conf)
+        play_kbps = ::atoi(play_conf->arg0().c_str());
+
+    SrsConfDirective* pub_conf = bw_test->get("max_pub_kbps");
+    if(pub_conf)
+        pub_kbps = ::atoi(pub_conf->arg0().c_str());
 }
 
 int SrsConfig::parse_file(const char* filename)

@@ -117,15 +117,15 @@ public:
 public:
 	virtual int parse_options(int argc, char** argv);
 public:
-	virtual SrsConfDirective* get_vhost(std::string vhost);
-	virtual bool    		  get_vhost_enabled(std::string vhost);
-	virtual SrsConfDirective* get_vhost_on_connect(std::string vhost);
-	virtual SrsConfDirective* get_vhost_on_close(std::string vhost);
-	virtual SrsConfDirective* get_vhost_on_publish(std::string vhost);
-	virtual SrsConfDirective* get_vhost_on_unpublish(std::string vhost);
-	virtual SrsConfDirective* get_vhost_on_play(std::string vhost);
-	virtual SrsConfDirective* get_vhost_on_stop(std::string vhost);
-	virtual SrsConfDirective* get_transcode(std::string vhost, std::string scope);
+    virtual SrsConfDirective* get_vhost(const std::string &vhost);
+    virtual bool    		  get_vhost_enabled(const std::string& vhost);
+    virtual SrsConfDirective* get_vhost_on_connect(const std::string& vhost);
+    virtual SrsConfDirective* get_vhost_on_close(const std::string& vhost);
+    virtual SrsConfDirective* get_vhost_on_publish(const std::string& vhost);
+    virtual SrsConfDirective* get_vhost_on_unpublish(const std::string& vhost);
+    virtual SrsConfDirective* get_vhost_on_play(const std::string& vhost);
+    virtual SrsConfDirective* get_vhost_on_stop(const std::string& vhost);
+    virtual SrsConfDirective* get_transcode(const std::string& vhost, const std::string& scope);
 	virtual bool    		  get_transcode_enabled(SrsConfDirective* transcode);
 	virtual std::string		  get_transcode_ffmpeg(SrsConfDirective* transcode);
 	virtual void 			  get_transcode_engines(SrsConfDirective* transcode, std::vector<SrsConfDirective*>& engines);
@@ -148,23 +148,25 @@ public:
 	virtual std::string 	  get_engine_output(SrsConfDirective* engine);
 	virtual std::string 	  get_log_dir();
 	virtual int			 	  get_max_connections();
-	virtual SrsConfDirective* get_gop_cache(std::string vhost);
-	virtual SrsConfDirective* get_forward(std::string vhost);
-	virtual SrsConfDirective* get_hls(std::string vhost);
-	virtual bool    		  get_hls_enabled(std::string vhost);
-	virtual SrsConfDirective* get_hls_path(std::string vhost);
-	virtual SrsConfDirective* get_hls_fragment(std::string vhost);
-	virtual SrsConfDirective* get_hls_window(std::string vhost);
-	virtual SrsConfDirective* get_refer(std::string vhost);
-	virtual SrsConfDirective* get_refer_play(std::string vhost);
-	virtual SrsConfDirective* get_refer_publish(std::string vhost);
+    virtual SrsConfDirective* get_gop_cache(const std::string& vhost);
+    virtual SrsConfDirective* get_forward(const std::string& vhost);
+    virtual SrsConfDirective* get_hls(const std::string &vhost);
+    virtual bool    		  get_hls_enabled(const std::string& vhost);
+    virtual SrsConfDirective* get_hls_path(const std::string& vhost);
+    virtual SrsConfDirective* get_hls_fragment(const std::string& vhost);
+    virtual SrsConfDirective* get_hls_window(const std::string& vhost);
+    virtual SrsConfDirective* get_refer(const std::string& vhost);
+    virtual SrsConfDirective* get_refer_play(const std::string& vhost);
+    virtual SrsConfDirective* get_refer_publish(const std::string& vhost);
 	virtual SrsConfDirective* get_listen();
-	virtual SrsConfDirective* get_chunk_size();
+    virtual SrsConfDirective* get_chunk_size(const std::string &vhost);
 	virtual SrsConfDirective* get_pithy_print_publish();
 	virtual SrsConfDirective* get_pithy_print_forwarder();
 	virtual SrsConfDirective* get_pithy_print_encoder();
 	virtual SrsConfDirective* get_pithy_print_hls();
 	virtual SrsConfDirective* get_pithy_print_play();
+    virtual bool              get_bw_check_enabled(const std::string &vhost, const std::string &key);
+    virtual void              get_bw_check_settings(const std::string &vhost, int64_t &interval_ms, int &play_kbps, int &pub_kbps);
 private:
 	virtual int parse_file(const char* filename);
 	virtual int parse_argv(int& i, char** argv);
@@ -179,4 +181,4 @@ bool srs_directive_equals(SrsConfDirective* a, SrsConfDirective* b);
 // global config
 extern SrsConfig* config;
 
-#endif
\ No newline at end of file
+#endif

@@ -52,6 +52,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_SOCKET_WRITE				209
 #define ERROR_SOCKET_WAIT				210
 #define ERROR_SOCKET_TIMEOUT			211
+#define ERROR_SOCKET_GET_LOCAL_IP       222
 
 #define ERROR_RTMP_PLAIN_REQUIRED		300
 #define ERROR_RTMP_CHUNK_START			301
@@ -146,4 +147,4 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_HTTP_DATA_INVLIAD			801
 #define ERROR_HTTP_PARSE_HEADER			802
 
-#endif
\ No newline at end of file
+#endif

@@ -1138,7 +1138,12 @@ bool SrsMessageHeader::is_set_chunk_size()
 
 bool SrsMessageHeader::is_user_control_message()
 {
-	return message_type == RTMP_MSG_UserControlMessage;
+    return message_type == RTMP_MSG_UserControlMessage;
+}
+
+bool SrsMessageHeader::is_windows_ackledgement()
+{
+    return message_type == RTMP_MSG_Acknowledgement;
 }
 
 SrsChunkStream::SrsChunkStream(int _cid)
@@ -1311,7 +1316,21 @@ int SrsCommonMessage::decode_packet(SrsProtocol* protocol)
 			srs_info("decode the AMF0/AMF3 data(onMetaData message).");
 			packet = new SrsOnMetaDataPacket();
 			return packet->decode(stream);
-		}
+        } else if(   command == SRS_BW_CHECK_FINISHED
+                  || command == SRS_BW_CHECK_PLAYING
+                  || command == SRS_BW_CHECK_PUBLISHING
+                  || command == SRS_BW_CHECK_STARTING_PLAY
+                  || command == SRS_BW_CHECK_STARTING_PUBLISH
+                  || command == SRS_BW_CHECK_START_PLAY
+                  || command == SRS_BW_CHECK_START_PUBLISH
+                  || command == SRS_BW_CHECK_STOPPED_PLAY
+                  || command == SRS_BW_CHECK_STOP_PLAY
+                  || command == SRS_BW_CHECK_STOP_PUBLISH)
+        {
+            srs_info("decode the AMF0/AMF3 band width check message.");
+            packet = new SrsOnStatusCallPacket();
+            return packet->decode(stream);
+        }
 		
 		// default packet to drop message.
 		srs_trace("drop the AMF0/AMF3 command message, command_name=%s", command.c_str());
@@ -1329,7 +1348,11 @@ int SrsCommonMessage::decode_packet(SrsProtocol* protocol)
 		srs_verbose("start to decode set chunk size message.");
 		packet = new SrsSetChunkSizePacket();
 		return packet->decode(stream);
-	} else {
+    } else if(header.is_windows_ackledgement()) {
+        srs_verbose("start to decode AcknowledgementPacket message.");
+        packet = new SrsAcknowledgementPacket();
+        return packet->decode(stream);
+    } else {
 		// default packet to drop message.
 		srs_trace("drop the unknown message, type=%d", header.message_type);
 		packet = new SrsPacket();
@@ -1775,8 +1798,13 @@ int SrsConnectAppResPacket::get_message_type()
 
 int SrsConnectAppResPacket::get_size()
 {
-	return srs_amf0_get_string_size(command_name) + srs_amf0_get_number_size()
-		+ srs_amf0_get_object_size(props)+ srs_amf0_get_object_size(info);
+    int size = srs_amf0_get_string_size(command_name) + srs_amf0_get_number_size();
+    if(props->size() > 0)
+        size += srs_amf0_get_object_size(props);
+    if(info->size() > 0)
+        size += srs_amf0_get_object_size(info);
+
+    return size;
 }
 
 int SrsConnectAppResPacket::encode_packet(SrsStream* stream)
@@ -1795,16 +1823,22 @@ int SrsConnectAppResPacket::encode_packet(SrsStream* stream)
 	}
 	srs_verbose("encode transaction_id success.");
 	
-	if ((ret = srs_amf0_write_object(stream, props)) != ERROR_SUCCESS) {
-		srs_error("encode props failed. ret=%d", ret);
-		return ret;
-	}
+    if(props->size() > 0){
+        if ((ret = srs_amf0_write_object(stream, props)) != ERROR_SUCCESS) {
+            srs_error("encode props failed. ret=%d", ret);
+            return ret;
+        }
+    }
+
 	srs_verbose("encode props success.");
 	
-	if ((ret = srs_amf0_write_object(stream, info)) != ERROR_SUCCESS) {
-		srs_error("encode info failed. ret=%d", ret);
-		return ret;
-	}
+    if(info->size() > 0){
+        if ((ret = srs_amf0_write_object(stream, info)) != ERROR_SUCCESS) {
+            srs_error("encode info failed. ret=%d", ret);
+            return ret;
+        }
+    }
+
 	srs_verbose("encode info success.");
 	
 	srs_info("encode connect app response packet success.");
@@ -2537,7 +2571,31 @@ SrsOnStatusCallPacket::SrsOnStatusCallPacket()
 SrsOnStatusCallPacket::~SrsOnStatusCallPacket()
 {
 	srs_freep(args);
-	srs_freep(data);
+    srs_freep(data);
+}
+
+int SrsOnStatusCallPacket::decode(SrsStream *stream)
+{
+    int ret = ERROR_SUCCESS;
+
+    if ((ret = srs_amf0_read_string(stream, command_name)) != ERROR_SUCCESS) {
+        srs_error("amf0 decode play command_name failed. ret=%d", ret);
+        return ret;
+    }
+
+    if ((ret = srs_amf0_read_number(stream, transaction_id)) != ERROR_SUCCESS) {
+        srs_error("amf0 decode play transaction_id failed. ret=%d", ret);
+        return ret;
+    }
+
+    if ((ret = srs_amf0_read_null(stream)) != ERROR_SUCCESS) {
+        srs_error("amf0 decode play command_object failed. ret=%d", ret);
+        return ret;
+    }
+
+    srs_info("decode SrsOnStatusCallPacket success.");
+
+    return ret;
 }
 
 int SrsOnStatusCallPacket::get_perfer_cid()
@@ -2853,6 +2911,14 @@ SrsAcknowledgementPacket::~SrsAcknowledgementPacket()
 {
 }
 
+int SrsAcknowledgementPacket::decode(SrsStream *stream)
+{
+    int ret = ERROR_SUCCESS;
+    ret = sequence_number = stream->read_4bytes();
+
+    return ret;
+}
+
 int SrsAcknowledgementPacket::get_perfer_cid()
 {
 	return RTMP_CID_ProtocolControl;
@@ -3078,4 +3144,3 @@ int SrsUserControlPacket::encode_packet(SrsStream* stream)
 	
 	return ret;
 }
-

@@ -220,6 +220,7 @@ struct SrsMessageHeader
 	bool is_window_ackledgement_size();
 	bool is_set_chunk_size();
 	bool is_user_control_message();
+    bool is_windows_ackledgement();
 };
 
 /**
@@ -801,6 +802,26 @@ protected:
 	virtual int encode_packet(SrsStream* stream);
 };
 
+
+/**
+* band width check method name, which will be invoked by client.
+* band width check mothods use SrsOnStatusCallPacket as its internal packet type,
+* so ensure you set command name when you use it.
+*/
+// for play
+#define SRS_BW_CHECK_START_PLAY         "onSrsBandCheckStartPlayBytes"
+#define SRS_BW_CHECK_STARTING_PLAY      "onSrsBandCheckStartingPlayBytes"
+#define SRS_BW_CHECK_STOP_PLAY          "onSrsBandCheckStopPlayBytes"
+#define SRS_BW_CHECK_STOPPED_PLAY       "onSrsBandCheckStoppedPlayBytes"
+#define SRS_BW_CHECK_PLAYING            "onSrsBandCheckPlaying"
+
+// for publish
+#define SRS_BW_CHECK_START_PUBLISH      "onSrsBandCheckStartPublishBytes"
+#define SRS_BW_CHECK_STARTING_PUBLISH   "onSrsBandCheckStartingPublishBytes"
+#define SRS_BW_CHECK_STOP_PUBLISH       "onSrsBandCheckStopPublishBytes"
+#define SRS_BW_CHECK_FINISHED           "onSrsBandCheckFinished"
+#define SRS_BW_CHECK_PUBLISHING         "onSrsBandCheckPublishing"
+
 /**
 * onStatus command, AMF0 Call
 * @remark, user must set the stream_id by SrsMessage.set_packet().
@@ -822,6 +843,10 @@ public:
 public:
 	SrsOnStatusCallPacket();
 	virtual ~SrsOnStatusCallPacket();
+
+public:
+    virtual int decode(SrsStream* stream);
+
 public:
 	virtual int get_perfer_cid();
 public:
@@ -968,6 +993,10 @@ public:
 public:
 	SrsAcknowledgementPacket();
 	virtual ~SrsAcknowledgementPacket();
+
+public:
+    virtual int decode(SrsStream *stream);
+
 public:
 	virtual int get_perfer_cid();
 public:
@@ -1141,4 +1170,4 @@ int srs_rtmp_expect_message(SrsProtocol* protocol, SrsCommonMessage** pmsg, T**
 	return ret;
 }
 
-#endif
\ No newline at end of file
+#endif

@@ -2,6 +2,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2013 winlin
+Copyright (c) 2013 wenjiejit
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
@@ -49,8 +50,11 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define StatusClientId 						"clientid"
 // status value
 #define StatusLevelStatus 					"status"
+// status error
+#define StatusLevelError                    "error"
 // code value
 #define StatusCodeConnectSuccess 			"NetConnection.Connect.Success"
+#define StatusCodeConnectRejected 			"NetConnection.Connect.Rejected"
 #define StatusCodeStreamReset 				"NetStream.Play.Reset"
 #define StatusCodeStreamStart 				"NetStream.Play.Start"
 #define StatusCodeStreamPause 				"NetStream.Pause.Notify"
@@ -67,8 +71,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define SRS_DEFAULT_SID 					1
 
 SrsRequest::SrsRequest()
+    : objectEncoding(RTMP_SIG_AMF0_VER)
 {
-	objectEncoding = RTMP_SIG_AMF0_VER;
 }
 
 SrsRequest::~SrsRequest()
@@ -99,11 +103,23 @@ int SrsRequest::discovery_app()
 		port = vhost.substr(pos + 1);
 		vhost = vhost.substr(0, pos);
 		srs_verbose("discovery vhost=%s, port=%s", vhost.c_str(), port.c_str());
-	}
-	
+    }
+
 	app = url;
 	srs_vhost_resolve(vhost, app);
-	
+
+    // reslove bw check key
+    std::string app_str = url;
+    if ((pos = app_str.find("key=")) != std::string::npos){
+        std::string temp_key = app_str.substr(pos + strlen("key="));
+        for(unsigned int i = 0; i < temp_key.size(); ++i){
+            char c = temp_key[i];
+            if(c != '&')
+                bw_key.push_back(c);
+            else break;
+        }
+    }
+
 	// resolve the vhost from config
 	SrsConfDirective* parsed_vhost = config->get_vhost(vhost);
 	if (parsed_vhost) {
@@ -238,7 +254,7 @@ int SrsRtmpClient::handshake()
     return ret;
 }
 
-int SrsRtmpClient::connect_app(std::string app, std::string tc_url)
+int SrsRtmpClient::connect_app(const std::string &app, const std::string &tc_url)
 {
 	int ret = ERROR_SUCCESS;
 	
@@ -324,7 +340,7 @@ int SrsRtmpClient::create_stream(int& stream_id)
 	return ret;
 }
 
-int SrsRtmpClient::play(std::string stream, int stream_id)
+int SrsRtmpClient::play(const std::string &stream, int stream_id)
 {
 	int ret = ERROR_SUCCESS;
 
@@ -366,7 +382,7 @@ int SrsRtmpClient::play(std::string stream, int stream_id)
 	return ret;
 }
 
-int SrsRtmpClient::publish(std::string stream, int stream_id)
+int SrsRtmpClient::publish(const std::string &stream, int stream_id)
 {
 	int ret = ERROR_SUCCESS;
 
@@ -544,7 +560,7 @@ int SrsRtmp::set_peer_bandwidth(int bandwidth, int type)
 	return ret;
 }
 
-int SrsRtmp::response_connect_app(SrsRequest* req)
+int SrsRtmp::response_connect_app(SrsRequest *req, const char *ip)
 {
 	int ret = ERROR_SUCCESS;
 	
@@ -556,7 +572,7 @@ int SrsRtmp::response_connect_app(SrsRequest* req)
 	pkt->props->set("mode", new SrsAmf0Number(1));
 	
 	pkt->info->set(StatusLevel, new SrsAmf0String(StatusLevelStatus));
-	pkt->info->set(StatusCode, new SrsAmf0String(StatusCodeConnectSuccess));
+    pkt->info->set(StatusCode, new SrsAmf0String(StatusCodeConnectSuccess));
 	pkt->info->set(StatusDescription, new SrsAmf0String("Connection succeeded"));
 	pkt->info->set("objectEncoding", new SrsAmf0Number(req->objectEncoding));
 	SrsASrsAmf0EcmaArray* data = new SrsASrsAmf0EcmaArray();
@@ -571,6 +587,9 @@ int SrsRtmp::response_connect_app(SrsRequest* req)
 	data->set("srs_site", new SrsAmf0String(RTMP_SIG_SRS_WEB));
 	data->set("srs_email", new SrsAmf0String(RTMP_SIG_SRS_EMAIL));
 	data->set("srs_copyright", new SrsAmf0String(RTMP_SIG_SRS_COPYRIGHT));
+
+    if(ip)
+        data->set("srs_server_ip", new SrsAmf0String(ip));
 	
 	msg->set_packet(pkt, 0);
 	
@@ -580,7 +599,30 @@ int SrsRtmp::response_connect_app(SrsRequest* req)
 	}
 	srs_info("send connect app response message success.");
 	
-	return ret;
+    return ret;
+}
+
+int SrsRtmp::response_connect_reject(SrsRequest *req, const std::string &description)
+{
+    int ret = ERROR_SUCCESS;
+
+    SrsCommonMessage* msg = new SrsCommonMessage();
+    SrsConnectAppResPacket* pkt = new SrsConnectAppResPacket();
+    pkt->command_name = "_error";
+    pkt->props->set(StatusLevel, new SrsAmf0String(StatusLevelError));
+    pkt->props->set(StatusCode, new SrsAmf0String(StatusCodeConnectRejected));
+    pkt->props->set(StatusDescription, new SrsAmf0String(description.c_str()));
+    //pkt->props->set("objectEncoding", new SrsAmf0Number(req->objectEncoding));
+
+    msg->set_packet(pkt, 0);
+
+    if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+        srs_error("send connect app response rejected message failed. ret=%d", ret);
+        return ret;
+    }
+    srs_info("send connect app response rejected message success.");
+
+    return ret;
 }
 
 int SrsRtmp::on_bw_done()
@@ -1029,7 +1071,60 @@ int SrsRtmp::start_flash_publish(int stream_id)
 	
 	srs_info("flash publish success.");
 	
-	return ret;
+    return ret;
+}
+
+int SrsRtmp::start_bandwidth_check(int max_play_kbps, int max_pub_kbps)
+{
+    int ret = ERROR_SUCCESS;
+
+    int play_duration_ms        = 3000;
+    int play_interval_ms        = 0;
+    int play_actual_duration_ms = 0;
+    int play_bytes              = 0;
+
+    int publish_duration_ms        = 3000;
+    int publish_interval_ms        = 0;
+    int publish_actual_duration_ms = 0;
+    int publish_bytes              = 0;
+
+    int64_t start_time = srs_get_system_time_ms();
+    if((ret = bandwidth_check_play(play_duration_ms, play_interval_ms,
+                                   play_actual_duration_ms, play_bytes, max_play_kbps) != ERROR_SUCCESS)
+            || (ret = bandwidth_check_publish(publish_duration_ms, publish_interval_ms,
+                                   publish_actual_duration_ms, publish_bytes, max_pub_kbps)) != ERROR_SUCCESS)
+    {
+        srs_error("band width check failed. ret = %d", ret);
+
+        return ret;
+    }
+
+    int64_t end_time = srs_get_system_time_ms();
+    int play_kbps = play_bytes * 8 / play_actual_duration_ms;
+    int publish_kbps = publish_bytes * 8 / publish_actual_duration_ms;
+
+    // send finished msg
+    SrsCommonMessage* finish_msg = new SrsCommonMessage();
+    SrsOnStatusCallPacket* finish_pkt = new SrsOnStatusCallPacket;
+    finish_pkt->command_name = SRS_BW_CHECK_FINISHED;
+    finish_pkt->data->set("code",           new SrsAmf0Number(0));
+    finish_pkt->data->set("start_time",     new SrsAmf0Number(start_time));
+    finish_pkt->data->set("end_time",       new SrsAmf0Number(end_time));
+    finish_pkt->data->set("play_kbps",      new SrsAmf0Number(play_kbps));
+    finish_pkt->data->set("publish_kbps",   new SrsAmf0Number(publish_kbps));
+    finish_pkt->data->set("play_bytes",     new SrsAmf0Number(play_bytes));
+    finish_pkt->data->set("play_time",      new SrsAmf0Number(play_actual_duration_ms));
+    finish_pkt->data->set("publish_bytes",  new SrsAmf0Number(publish_bytes));
+    finish_pkt->data->set("publish_time",   new SrsAmf0Number(publish_actual_duration_ms));
+
+    finish_msg->set_packet(finish_pkt, 0);
+    if ((ret = protocol->send_message(finish_msg)) != ERROR_SUCCESS) {
+        srs_error("send bandwidth check finish message failed. ret=%d", ret);
+        return ret;
+    }
+    srs_trace("BW check finished.");
+
+    return ret;
 }
 
 int SrsRtmp::identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name)
@@ -1120,6 +1215,221 @@ int SrsRtmp::identify_flash_publish_client(SrsPublishPacket* req, SrsClientType&
 	type = SrsClientFlashPublish;
 	stream_name = req->stream_name;
 	
-	return ret;
+    return ret;
+}
+
+int SrsRtmp::bandwidth_check_play(int duration_ms, int interval_ms, int &actual_duration_ms,
+                                  int &play_bytes, int max_play_kbps)
+{
+    int ret = ERROR_SUCCESS;
+
+    // send start play command to client
+    SrsCommonMessage* start_play_msg = new SrsCommonMessage();
+    SrsOnStatusCallPacket* start_play_packet = new SrsOnStatusCallPacket;
+    start_play_packet->command_name = SRS_BW_CHECK_START_PLAY;
+    start_play_packet->data->set("duration_ms", new SrsAmf0Number(duration_ms));
+    start_play_packet->data->set("interval_ms", new SrsAmf0Number(interval_ms));
+
+    start_play_msg->set_packet(start_play_packet, 0);
+    if ((ret = protocol->send_message(start_play_msg)) != ERROR_SUCCESS) {
+        srs_error("send bandwidth check start play message failed. ret=%d", ret);
+        return ret;
+    }
+    srs_trace("BW check begin.");
+
+    // recv client's starting play response
+    while (true) {
+        SrsCommonMessage* msg = 0;
+        if( (ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
+        {
+            srs_error("recv client's starting play response failed. ret= %d", ret);
+            return ret;
+        }
+
+        msg->decode_packet(protocol);
+        SrsOnStatusCallPacket* pkt = dynamic_cast<SrsOnStatusCallPacket*>(msg->get_packet());
+        if(pkt && (pkt->command_name == SRS_BW_CHECK_STARTING_PLAY))
+            break;
+    }
+    srs_trace("BW check recv play begin response.");
+
+    // send play data to client
+    int64_t current_Time = srs_get_system_time_ms();
+    int size = 1024*4;   // 32KB
+    char random_data[size];
+    memset(random_data, 0x01, size);
+
+    int64_t last_time = current_Time;
+    int interval = 0;
+    while ( (srs_get_system_time_ms() - current_Time) < duration_ms ){
+        st_usleep(interval);
+        SrsCommonMessage* msg = new SrsCommonMessage;
+        SrsOnStatusCallPacket* pkt = new SrsOnStatusCallPacket;
+        pkt->command_name = SRS_BW_CHECK_PLAYING;
+
+        for(int i = 0; i < 10; ++i)
+        {
+            char buf[32];
+            sprintf(buf, "%d", i);
+            pkt->data->set(buf, new SrsAmf0String(random_data));
+        }
+        msg->set_packet(pkt, 0);
+
+        play_bytes += pkt->get_payload_length();
+
+        if ((ret = protocol->send_message(msg)) != ERROR_SUCCESS) {
+           srs_error("send bandwidth check play messages failed. ret=%d", ret);
+           return ret;
+       }
+
+        if((srs_get_system_time_ms() - last_time) > 5){ // check kbps every 5 ms;
+            int kbps = play_bytes * 8 / (srs_get_system_time_ms() - current_Time);
+            if(kbps > max_play_kbps){
+                interval += 1000*3;    // 2 ms
+            } else {
+                interval -= 1000*3;
+                if(interval < 0)
+                    interval = 0;
+            }
+        }
+    }
+    actual_duration_ms = srs_get_system_time_ms() - current_Time;
+    srs_trace("BW check send play bytes over.");
+
+    // notify client to stop play
+    SrsCommonMessage* stop_play_msg = new SrsCommonMessage;
+    SrsOnStatusCallPacket* stop_play_pkt = new SrsOnStatusCallPacket;
+    stop_play_pkt->command_name = SRS_BW_CHECK_STOP_PLAY;
+    stop_play_pkt->data->set("duration_ms", new SrsAmf0Number(duration_ms));
+    stop_play_pkt->data->set("interval_ms", new SrsAmf0Number(interval_ms));
+    stop_play_pkt->data->set("duration_delta", new SrsAmf0Number(actual_duration_ms));
+    stop_play_pkt->data->set("bytes_delta", new SrsAmf0Number(play_bytes));
+
+    stop_play_msg->set_packet(stop_play_pkt, 0);
+
+    if ((ret = protocol->send_message(stop_play_msg)) != ERROR_SUCCESS) {
+        srs_error("send bandwidth check stop play message failed. ret=%d", ret);
+        return ret;
+    }
+    srs_trace("BW check stop play bytes.");
+
+    // recv client's stop play response.
+    while (true) {
+        SrsCommonMessage* msg = 0;
+        if((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
+        {
+            srs_error("recv client's stop play response failed. ret = %d", ret);
+            return ret;
+        }
+
+        msg->decode_packet(protocol);
+        SrsOnStatusCallPacket* pkt = dynamic_cast<SrsOnStatusCallPacket*>(msg->get_packet());
+        if(pkt && (pkt->command_name == SRS_BW_CHECK_STOPPED_PLAY))
+            break;
+    }
+    srs_trace("BW check recv stop play response.");
+
+    return ret;
+}
+
+int SrsRtmp::bandwidth_check_publish(int duration_ms, int interval_ms, int &actual_duration_ms,
+                                     int &publish_bytes, int max_pub_kbps)
+{
+    int ret = ERROR_SUCCESS;
+
+    // notify client to start publish
+    SrsCommonMessage* start_publish_msg = new SrsCommonMessage;
+    SrsOnStatusCallPacket* start_publish_pkt = new SrsOnStatusCallPacket;
+    start_publish_pkt->command_name = SRS_BW_CHECK_START_PUBLISH;
+    start_publish_pkt->data->set("duration_ms", new SrsAmf0Number(duration_ms));
+    start_publish_pkt->data->set("interval_ms", new SrsAmf0Number(interval_ms));
+
+    start_publish_msg->set_packet(start_publish_pkt, 0);
+    if ((ret = protocol->send_message(start_publish_msg)) != ERROR_SUCCESS) {
+        srs_error("send bandwidth check start publish message failed. ret=%d", ret);
+        return ret;
+    }
+    srs_trace("BW check publish begin.");
+
+    // read client's notification of starting publish
+    while (true) {
+        SrsCommonMessage* msg = 0;
+        if((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
+        {
+            srs_error("recv client's notification of starting publish failed. ret = %d", ret);
+            return ret;
+        }
+
+        msg->decode_packet(protocol);
+        SrsOnStatusCallPacket* pkt = dynamic_cast<SrsOnStatusCallPacket*>(msg->get_packet());
+        if(pkt && (pkt->command_name == SRS_BW_CHECK_STARTING_PUBLISH))
+            break;
+    }
+    srs_trace("BW check recv publish begin response.");
+
+    // recv publish msgs until @duration_ms ms
+    int64_t current_time = srs_get_system_time_ms();
+    int64_t last_time = current_time;
+    int interval = 0;
+
+    while( (srs_get_system_time_ms() - current_time) < duration_ms )
+    {
+        st_usleep(interval);
+        SrsCommonMessage* msg = NULL;
+        if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
+            srs_error("recv message failed. ret=%d", ret);
+            return ret;
+        }
+        SrsAutoFree(SrsCommonMessage, msg, false);
+
+        publish_bytes += msg->header.payload_length;
+
+        if((srs_get_system_time_ms() - last_time) > 5){ // check kbps every 5 ms;
+            int kbps = publish_bytes * 8 / (srs_get_system_time_ms() - current_time);
+            if(kbps > max_pub_kbps){
+                interval += 1000*3;    // 2 ms
+            } else {
+                interval -= 1000*3;
+                if(interval < 0)
+                    interval = 0;
+            }
+        }
+    }
+    actual_duration_ms = srs_get_system_time_ms() -  current_time;
+    srs_trace("BW check recv publish data over.");
+
+    // notify client to stop publish
+    SrsCommonMessage* stop_publish_msg = new SrsCommonMessage;
+    SrsOnStatusCallPacket* stop_publish_pkt = new SrsOnStatusCallPacket;
+    stop_publish_pkt->command_name = SRS_BW_CHECK_STOP_PUBLISH;
+    stop_publish_pkt->data->set("duration_ms", new SrsAmf0Number(duration_ms));
+    stop_publish_pkt->data->set("interval_ms", new SrsAmf0Number(interval_ms));
+    stop_publish_pkt->data->set("duration_delta", new SrsAmf0Number(actual_duration_ms));
+    stop_publish_pkt->data->set("bytes_delta", new SrsAmf0Number(publish_bytes));
+
+    stop_publish_msg->set_packet(stop_publish_pkt, 0);
+    if ((ret = protocol->send_message(stop_publish_msg)) != ERROR_SUCCESS) {
+        srs_error("send bandwidth check stop publish message failed. ret=%d", ret);
+        return ret;
+    }
+    srs_trace("BW check stop pulish.");
+
+    // recv left msg
+    while (true) {
+        if((ret = st_netfd_poll(stfd, POLLIN, 1000*500)) == ERROR_SUCCESS)
+        {
+            SrsCommonMessage* msg = 0;
+            if((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
+            {
+                srs_error("recv client's left msg failed, ret = %d", ret);
+                return ret;
+            }
+        } else {
+            ret = ERROR_SUCCESS;
+            break;
+        }
+    }
+
+    return ret;
 }
 

@@ -2,6 +2,7 @@
 The MIT License (MIT)
 
 Copyright (c) 2013 winlin
+Copyright (c) 2013 wenjiegit
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
@@ -64,6 +65,7 @@ struct SrsRequest
 	std::string port;
 	std::string app;
 	std::string stream;
+    std::string bw_key;
 	
 	SrsRequest();
 	virtual ~SrsRequest();
@@ -97,7 +99,7 @@ enum SrsClientType
 	SrsClientUnknown,
 	SrsClientPlay,
 	SrsClientFMLEPublish,
-	SrsClientFlashPublish,
+    SrsClientFlashPublish
 };
 
 /**
@@ -122,10 +124,10 @@ public:
 	virtual int send_message(ISrsMessage* msg);
 public:
 	virtual int handshake();
-	virtual int connect_app(std::string app, std::string tc_url);
+    virtual int connect_app(const std::string &app, const std::string &tc_url);
 	virtual int create_stream(int& stream_id);
-	virtual int play(std::string stream, int stream_id);
-	virtual int publish(std::string stream, int stream_id);
+    virtual int play(const std::string &stream, int stream_id);
+    virtual int publish(const std::string &stream, int stream_id);
 };
 
 /**
@@ -161,7 +163,8 @@ public:
 	* using the Limit type field.
 	*/
 	virtual int set_peer_bandwidth(int bandwidth, int type);
-	virtual int response_connect_app(SrsRequest* req);
+    virtual int response_connect_app(SrsRequest* req, const char *ip = 0);
+    virtual int response_connect_reject(SrsRequest* req, const std::string& description);
 	virtual int on_bw_done();
 	/**
 	* recv some message to identify the client.
@@ -212,10 +215,18 @@ public:
 	* onStatus(NetStream.Publish.Start)
 	*/
 	virtual int start_flash_publish(int stream_id);
+
+    /**
+    * used to process band width check from client.
+    */
+    virtual int start_bandwidth_check(int max_play_kbps, int max_pub_kbps);
+
 private:
 	virtual int identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name);
 	virtual int identify_fmle_publish_client(SrsFMLEStartPacket* req, SrsClientType& type, std::string& stream_name);
 	virtual int identify_flash_publish_client(SrsPublishPacket* req, SrsClientType& type, std::string& stream_name);
+    virtual int bandwidth_check_play(int duration_ms, int interval_ms, int& actual_duration_ms, int& play_bytes, int max_play_kbps);
+    virtual int bandwidth_check_publish(int duration_ms, int interval_ms, int& actual_duration_ms, int& publish_bytes, int max_pub_kbps);
 };
 
-#endif
\ No newline at end of file
+#endif

@@ -144,14 +144,14 @@ void SrsListener::listen_cycle()
 	        // ignore error.
 	        srs_warn("ignore accept thread stoppped for accept client error");
 	        continue;
-	    }
+        }
 	    srs_verbose("get a client. fd=%d", st_netfd_fileno(client_stfd));
     	
     	if ((ret = server->accept_client(type, client_stfd)) != ERROR_SUCCESS) {
     		srs_warn("accept client error. ret=%d", ret);
 			continue;
     	}
-    	
+
     	srs_verbose("accept client finished. conns=%d, ret=%d", (int)conns.size(), ret);
 	}
 }
@@ -250,7 +250,7 @@ int SrsServer::cycle()
 	// the deamon thread, update the time cache
 	while (true) {
 		st_usleep(SRS_TIME_RESOLUTION_MS * 1000);
-		srs_update_system_time_ms();
+        srs_update_system_time_ms();
 		
 		if (signal_reload) {
 			signal_reload = false;

@@ -344,7 +344,7 @@ int SrsGopCache::dump(SrsConsumer* consumer, int tba, int tbv)
 
 std::map<std::string, SrsSource*> SrsSource::pool;
 
-SrsSource* SrsSource::find(std::string stream_url)
+SrsSource* SrsSource::find(const std::string &stream_url)
 {
 	if (pool.find(stream_url) == pool.end()) {
 		pool[stream_url] = new SrsSource(stream_url);