add bandcheck code and modified srs code for merge

@@ -8,16 +8,18 @@ log_dir             ./objs/logs;
 # if exceed the max connections, server will drop the new connection.
 # default: 2000
 max_connections     2000;
+# 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.
+# priority of chunk size in vhost > priority of chunk size in global.
+chunk_size		65000;
 # vhost list, the __defaultVhost__ is the default vhost
 # for example, user use ip to access the stream: rtmp://192.168.1.2/live/livestream.
 # 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;
@@ -157,9 +159,8 @@ vhost bandcheck.srs.com {
 	bandcheck{
 		enabled			on;
 		key             test kate;
-		interval		30;
-		max_play_kbps   45000;
-		max_pub_kbps    25000;
+		interval		5;
+		limit_kbps		4000;
 	}
 }
 
@@ -747,4 +748,3 @@ pithy_print {
     hls            3000;
 }
 
-

@@ -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

@@ -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
@@ -78,8 +79,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define RTMP_SIG_SRS_WEB "http://blog.csdn.net/win_lin"
 #define RTMP_SIG_SRS_EMAIL "winterserver@126.com"
 #define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
-#define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013 winlin"
-#define RTMP_SIG_SRS_CONTRIBUTOR "winlin"
+#define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013 winlin,wenjiegit"
+#define RTMP_SIG_SRS_CONTRIBUTOR "winlin,wenjiegit"
 
 // compare
 #define srs_min(a, b) (((a) < (b))? (a) : (b))

@@ -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
@@ -153,32 +154,35 @@ int SrsClient::service_cycle()
 	}
 	srs_verbose("set peer bandwidth success");
 
-    if(config->get_bw_check_enabled(req->vhost, req->bw_key))
-    {
+    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);
+        int     limit_kbps   = 0;
+
+        config->get_bw_check_settings(req->vhost, interval_ms, limit_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){
+
+            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);
+
+            return rtmp->start_bandwidth_check(limit_kbps);
         }
     }
 		
@@ -203,7 +207,7 @@ int SrsClient::service_cycle()
 	req->strip();
 	srs_trace("identify client success. type=%d, stream_name=%s", type, req->stream.c_str());
 	
-	int chunk_size = config->get_chunk_size();
+    int chunk_size = config->get_chunk_size(req->vhost);
 	if ((ret = rtmp->set_chunk_size(chunk_size)) != ERROR_SUCCESS) {
 		srs_error("set chunk_size=%d failed. ret=%d", chunk_size, ret);
 		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

@@ -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
@@ -1449,7 +1450,23 @@ int SrsConfig::get_chunk_size()
 		return SRS_CONF_DEFAULT_CHUNK_SIZE;
 	}
 	
-	return ::atoi(conf->arg0().c_str());
+    return ::atoi(conf->arg0().c_str());
+}
+
+int SrsConfig::get_chunk_size(const std::string &vhost)
+{
+    SrsConfDirective* conf = get_vhost(vhost);
+
+    if (!conf) {
+        return get_chunk_size();
+    }
+
+    SrsConfDirective* conf_vhost = conf->get("chunk_size");
+    if (!conf_vhost) {
+        return get_chunk_size();
+    }
+
+    return ::atoi(conf_vhost->arg0().c_str());
 }
 
 int SrsConfig::get_pithy_print_publish()
@@ -1524,12 +1541,11 @@ bool SrsConfig::get_bw_check_enabled(const std::string &vhost, const std::string
     return false;
 }
 
-void SrsConfig::get_bw_check_settings(const std::string &vhost, int64_t &interval_ms, int &play_kbps, int &pub_kbps)
+void SrsConfig::get_bw_check_settings(const std::string &vhost, int64_t &interval_ms, int &limit_kbps)
 {
     // set default value;
     interval_ms = 30 * 1000;
-    play_kbps   = 45000;
-    pub_kbps    = 25000;
+    limit_kbps   = 32000;
 
     SrsConfDirective* conf = get_vhost(vhost);
     if (!conf) {
@@ -1537,20 +1553,19 @@ void SrsConfig::get_bw_check_settings(const std::string &vhost, int64_t &interva
     }
 
     SrsConfDirective* bw_test = conf->get("bandcheck");
-    if(!bw_test)
+    if (!bw_test) {
         return;
+    }
 
     SrsConfDirective* interval_conf = bw_test->get("interval");
-    if(interval_conf)
+    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());
+    SrsConfDirective* limit_kbps_conf = bw_test->get("limit_kbps");
+    if (limit_kbps_conf) {
+        limit_kbps = ::atoi(limit_kbps_conf->arg0().c_str());
+    }
 }
 
 int SrsConfig::get_pithy_print_encoder()

@@ -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
@@ -164,13 +165,14 @@ public:
 	virtual SrsConfDirective*	get_refer_publish(std::string vhost);
 	virtual SrsConfDirective*	get_listen();
 	virtual int					get_chunk_size();
+    virtual int					get_chunk_size(const std::string& vhost);
 	virtual int					get_pithy_print_publish();
 	virtual int					get_pithy_print_forwarder();
 	virtual int					get_pithy_print_encoder();
 	virtual int					get_pithy_print_hls();
 	virtual int					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);
+    virtual void                get_bw_check_settings(const std::string &vhost, int64_t &interval_ms, int &limit_kbps);
 };
 
 /**

@@ -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
@@ -51,7 +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_SOCKET_GET_LOCAL_IP       212
 
 #define ERROR_RTMP_PLAIN_REQUIRED		300
 #define ERROR_RTMP_CHUNK_START			301

@@ -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
@@ -1355,10 +1356,6 @@ int SrsCommonMessage::decode_packet(SrsProtocol* protocol)
 		srs_verbose("start to decode set chunk size message.");
 		packet = new SrsSetChunkSizePacket();
 		return packet->decode(stream);
-    } 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);

@@ -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
@@ -67,6 +68,25 @@ class ISrsMessage;
 #define RTMP_MAX_FMT3_HEADER_SIZE 5
 
 /**
+* 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"
+
+/**
 * the protocol provides the rtmp-message-protocol services,
 * to recv RTMP message from RTMP chunk stream,
 * and to send out RTMP message over RTMP chunk stream.
@@ -802,26 +822,6 @@ 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().

@@ -1106,7 +1106,7 @@ int SrsRtmp::start_flash_publish(int stream_id)
     return ret;
 }
 
-int SrsRtmp::start_bandwidth_check(int max_play_kbps, int max_pub_kbps)
+int SrsRtmp::start_bandwidth_check(int limit_kbps)
 {
     int ret = ERROR_SUCCESS;
 
@@ -1121,11 +1121,11 @@ int SrsRtmp::start_bandwidth_check(int max_play_kbps, int max_pub_kbps)
     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)
+    if ((ret = bandwidth_check_play(play_duration_ms, play_interval_ms,
+                                   play_actual_duration_ms, play_bytes, limit_kbps) != ERROR_SUCCESS)
             || (ret = bandwidth_check_publish(publish_duration_ms, publish_interval_ms,
-                                   publish_actual_duration_ms, publish_bytes, max_pub_kbps)) != ERROR_SUCCESS)
-    {
+                                   publish_actual_duration_ms, publish_bytes, limit_kbps)) != ERROR_SUCCESS) {
+
         srs_error("band width check failed. ret = %d", ret);
 
         return ret;
@@ -1272,8 +1272,7 @@ int SrsRtmp::bandwidth_check_play(int duration_ms, int interval_ms, int &actual_
     // recv client's starting play response
     while (true) {
         SrsCommonMessage* msg = 0;
-        if( (ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
-        {
+        if ( (ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
             srs_error("recv client's starting play response failed. ret= %d", ret);
             return ret;
         }
@@ -1286,21 +1285,19 @@ int SrsRtmp::bandwidth_check_play(int duration_ms, int interval_ms, int &actual_
     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
+    int64_t current_time = srs_get_system_time_ms();
+    int size = 1024;
     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 ){
+    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)
-        {
+        for (int i = 0; i < 100; ++i) {
             char buf[32];
             sprintf(buf, "%d", i);
             pkt->data->set(buf, new SrsAmf0String(random_data));
@@ -1310,22 +1307,24 @@ int SrsRtmp::bandwidth_check_play(int duration_ms, int interval_ms, int &actual_
         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
+            srs_error("send bandwidth check play messages failed. ret=%d", ret);
+            return ret;
+        }
+
+        // sleep while current kbps <= max_play_kbps
+        int kbps = 0;
+        while (true) {
+            if(srs_get_system_time_ms() - current_time != 0)
+                kbps = play_bytes * 8 / (srs_get_system_time_ms() - current_time);
+
+            if (kbps > max_play_kbps) {
+                st_usleep(500);
             } else {
-                interval -= 1000*3;
-                if(interval < 0)
-                    interval = 0;
+                break;
             }
         }
     }
-    actual_duration_ms = srs_get_system_time_ms() - current_Time;
+    actual_duration_ms = srs_get_system_time_ms() - current_time;
     srs_trace("BW check send play bytes over.");
 
     // notify client to stop play
@@ -1348,8 +1347,7 @@ int SrsRtmp::bandwidth_check_play(int duration_ms, int interval_ms, int &actual_
     // recv client's stop play response.
     while (true) {
         SrsCommonMessage* msg = 0;
-        if((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
-        {
+        if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
             srs_error("recv client's stop play response failed. ret = %d", ret);
             return ret;
         }
@@ -1386,8 +1384,7 @@ int SrsRtmp::bandwidth_check_publish(int duration_ms, int interval_ms, int &actu
     // read client's notification of starting publish
     while (true) {
         SrsCommonMessage* msg = 0;
-        if((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
-        {
+        if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
             srs_error("recv client's notification of starting publish failed. ret = %d", ret);
             return ret;
         }
@@ -1401,12 +1398,8 @@ int SrsRtmp::bandwidth_check_publish(int duration_ms, int interval_ms, int &actu
 
     // 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);
+    while ( (srs_get_system_time_ms() - current_time) < duration_ms ) {
+        st_usleep(0);
         SrsCommonMessage* msg = NULL;
         if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
             srs_error("recv message failed. ret=%d", ret);
@@ -1416,14 +1409,15 @@ int SrsRtmp::bandwidth_check_publish(int duration_ms, int interval_ms, int &actu
 
         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
+        int kbps = 0;
+        while (true) {
+            if(srs_get_system_time_ms() - current_time != 0)
+                kbps = publish_bytes * 8 / (srs_get_system_time_ms() - current_time);
+
+            if (kbps > max_pub_kbps) {
+                st_usleep(500);
             } else {
-                interval -= 1000*3;
-                if(interval < 0)
-                    interval = 0;
+                break;
             }
         }
     }
@@ -1448,11 +1442,10 @@ int SrsRtmp::bandwidth_check_publish(int duration_ms, int interval_ms, int &actu
 
     // recv left msg
     while (true) {
-        if((ret = st_netfd_poll(stfd, POLLIN, 1000*500)) == ERROR_SUCCESS)
-        {
+        if((ret = st_netfd_poll(stfd, POLLIN, 1000*500)) == ERROR_SUCCESS) {
             SrsCommonMessage* msg = 0;
-            if((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS)
-            {
+
+            if ((ret = protocol->recv_message(&msg)) != ERROR_SUCCESS) {
                 srs_error("recv client's left msg failed, ret = %d", ret);
                 return ret;
             }

@@ -225,7 +225,7 @@ public:
     /**
     * used to process band width check from client.
     */
-    virtual int start_bandwidth_check(int max_play_kbps, int max_pub_kbps);
+    virtual int start_bandwidth_check(int limit_kbps);
 
 private:
 	virtual int identify_create_stream_client(SrsCreateStreamPacket* req, int stream_id, SrsClientType& type, std::string& stream_name);