support vhosts specified config.

@@ -46,6 +46,7 @@ url: rtmp://127.0.0.1:1935/live/livestream
 * nginx v1.5.0: 139524 lines <br/>
 * nginx v1.5.0: 139524 lines <br/>
 
 
 ### History
 ### History
+* v0.3, 2013-11-04, support vhosts specified config.
 * v0.3, 2013-11-02, support listen multiple ports.
 * v0.3, 2013-11-02, support listen multiple ports.
 * v0.3, 2013-11-02, support config file in nginx-conf style.
 * v0.3, 2013-11-02, support config file in nginx-conf style.
 * v0.3, 2013-10-29, support pithy print log message specified by stage.
 * v0.3, 2013-10-29, support pithy print log message specified by stage.

 listen 1935 19350;
 listen 1935 19350;
 vhost __defaultVhost__ {
 vhost __defaultVhost__ {
-    application live {
-        no_delay on;
-        allow all;
-    }
+    enabled         on;
+    gop_cache       on;
+   #refer           github.com github.io;
+   #refer_publish   github.com github.io;
+    refer_play      github.com github.io .com;
 }
 }
+vhost winlinvip.github.com {
+    gop_cache       off;
+}
+

@@ -91,7 +91,7 @@ MODULE_FILES=("srs_core" "srs_core_log" "srs_core_server"
         "srs_core_auto_free" "srs_core_protocol" "srs_core_amf0"
         "srs_core_auto_free" "srs_core_protocol" "srs_core_amf0"
         "srs_core_stream" "srs_core_source" "srs_core_codec"
         "srs_core_stream" "srs_core_source" "srs_core_codec"
         "srs_core_complex_handshake" "srs_core_pithy_print"
         "srs_core_complex_handshake" "srs_core_pithy_print"
-        "srs_core_config")
+        "srs_core_config" "srs_core_refer")
 MODULE_DIR="src/core" . auto/modules.sh
 MODULE_DIR="src/core" . auto/modules.sh
 CORE_OBJS="${MODULE_OBJS[@]}"
 CORE_OBJS="${MODULE_OBJS[@]}"
 
 

@@ -33,6 +33,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <srs_core_source.hpp>
 #include <srs_core_source.hpp>
 #include <srs_core_server.hpp>
 #include <srs_core_server.hpp>
 #include <srs_core_pithy_print.hpp>
 #include <srs_core_pithy_print.hpp>
+#include <srs_core_config.hpp>
+#include <srs_core_refer.hpp>
 
 
 #define SRS_PULSE_TIMEOUT_MS 100
 #define SRS_PULSE_TIMEOUT_MS 100
 #define SRS_SEND_TIMEOUT_MS 5000000L
 #define SRS_SEND_TIMEOUT_MS 5000000L
@@ -45,6 +47,7 @@ SrsClient::SrsClient(SrsServer* srs_server, st_netfd_t client_stfd)
 	req = new SrsRequest();
 	req = new SrsRequest();
 	res = new SrsResponse();
 	res = new SrsResponse();
 	rtmp = new SrsRtmp(client_stfd);
 	rtmp = new SrsRtmp(client_stfd);
+	refer = new SrsRefer();
 }
 }
 
 
 SrsClient::~SrsClient()
 SrsClient::~SrsClient()
@@ -53,6 +56,7 @@ SrsClient::~SrsClient()
 	srs_freep(req);
 	srs_freep(req);
 	srs_freep(res);
 	srs_freep(res);
 	srs_freep(rtmp);
 	srs_freep(rtmp);
+	srs_freep(refer);
 }
 }
 
 
 int SrsClient::do_cycle()
 int SrsClient::do_cycle()
@@ -79,11 +83,25 @@ int SrsClient::do_cycle()
 		srs_error("rtmp connect vhost/app failed. ret=%d", ret);
 		srs_error("rtmp connect vhost/app failed. ret=%d", ret);
 		return ret;
 		return ret;
 	}
 	}
+	srs_verbose("rtmp connect app success");
+	
+	if ((ret = check_vhost()) != ERROR_SUCCESS) {
+		srs_error("check vhost failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check vhost success.");
+	
 	srs_trace("rtmp connect app success. "
 	srs_trace("rtmp connect app success. "
 		"tcUrl=%s, pageUrl=%s, swfUrl=%s, schema=%s, vhost=%s, port=%s, app=%s", 
 		"tcUrl=%s, pageUrl=%s, swfUrl=%s, schema=%s, vhost=%s, port=%s, app=%s", 
 		req->tcUrl.c_str(), req->pageUrl.c_str(), req->swfUrl.c_str(), 
 		req->tcUrl.c_str(), req->pageUrl.c_str(), req->swfUrl.c_str(), 
 		req->schema.c_str(), req->vhost.c_str(), req->port.c_str(),
 		req->schema.c_str(), req->vhost.c_str(), req->port.c_str(),
 		req->app.c_str());
 		req->app.c_str());
+	
+	if ((ret = refer->check(req->pageUrl, config->get_refer(req->vhost))) != ERROR_SUCCESS) {
+		srs_error("check refer failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check refer 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);
 		srs_error("set window acknowledgement size failed. ret=%d", ret);
@@ -114,7 +132,8 @@ int SrsClient::do_cycle()
 		srs_error("identify client failed. ret=%d", ret);
 		srs_error("identify client failed. ret=%d", ret);
 		return ret;
 		return ret;
 	}
 	}
-	srs_verbose("identify client success. type=%d, stream_name=%s", type, req->stream.c_str());
+	req->strip();
+	srs_trace("identify client success. type=%d, stream_name=%s", type, req->stream.c_str());
 	
 	
 	// TODO: read from config.
 	// TODO: read from config.
 	int chunk_size = 4096;
 	int chunk_size = 4096;
@@ -127,7 +146,15 @@ int SrsClient::do_cycle()
 	// find a source to publish.
 	// find a source to publish.
 	SrsSource* source = SrsSource::find(req->get_stream_url());
 	SrsSource* source = SrsSource::find(req->get_stream_url());
 	srs_assert(source != NULL);
 	srs_assert(source != NULL);
-	srs_info("source found, url=%s", req->get_stream_url().c_str());
+	
+	SrsConfDirective* conf = config->get_gop_cache(req->vhost);
+	bool enabled_cache = true;
+	if (conf && conf->arg0() == "off") {
+		enabled_cache = false;
+	}
+	source->set_cache(enabled_cache);
+
+	srs_info("source found, url=%s, enabled_cache=%d", req->get_stream_url().c_str(), enabled_cache);
 	
 	
 	switch (type) {
 	switch (type) {
 		case SrsClientPlay: {
 		case SrsClientPlay: {
@@ -174,10 +201,44 @@ int SrsClient::do_cycle()
 	return ret;
 	return ret;
 }
 }
 
 
+int SrsClient::check_vhost()
+{
+	int ret = ERROR_SUCCESS;
+	
+	srs_assert(req != NULL);
+	
+	SrsConfDirective* vhost = config->get_vhost(req->vhost);
+	if (vhost == NULL) {
+		ret = ERROR_RTMP_VHOST_NOT_FOUND;
+		srs_error("vhost %s not found. ret=%d", req->vhost.c_str(), ret);
+		return ret;
+	}
+	
+	SrsConfDirective* conf = NULL;
+	if ((conf = vhost->get(RTMP_VHOST_ENABLED)) != NULL && conf->arg0() == "off") {
+		ret = ERROR_RTMP_VHOST_NOT_FOUND;
+		srs_error("vhost %s disabled. ret=%d", req->vhost.c_str(), ret);
+		return ret;
+	}
+	
+	if (req->vhost != vhost->arg0()) {
+		srs_trace("vhost change from %s to %s", req->vhost.c_str(), vhost->arg0().c_str());
+		req->vhost = vhost->arg0();
+	}
+	
+	return ret;
+}
+
 int SrsClient::playing(SrsSource* source)
 int SrsClient::playing(SrsSource* source)
 {
 {
 	int ret = ERROR_SUCCESS;
 	int ret = ERROR_SUCCESS;
 	
 	
+	if ((ret = refer->check(req->pageUrl, config->get_refer_play(req->vhost))) != ERROR_SUCCESS) {
+		srs_error("check play_refer failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check play_refer success.");
+	
 	SrsConsumer* consumer = NULL;
 	SrsConsumer* consumer = NULL;
 	if ((ret = source->create_consumer(consumer)) != ERROR_SUCCESS) {
 	if ((ret = source->create_consumer(consumer)) != ERROR_SUCCESS) {
 		srs_error("create consumer failed. ret=%d", ret);
 		srs_error("create consumer failed. ret=%d", ret);
@@ -258,6 +319,12 @@ int SrsClient::publish(SrsSource* source, bool is_fmle)
 {
 {
 	int ret = ERROR_SUCCESS;
 	int ret = ERROR_SUCCESS;
 	
 	
+	if ((ret = refer->check(req->pageUrl, config->get_refer_publish(req->vhost))) != ERROR_SUCCESS) {
+		srs_error("check publish_refer failed. ret=%d", ret);
+		return ret;
+	}
+	srs_verbose("check publish_refer success.");
+	
 	SrsPithyPrint pithy_print(SRS_STAGE_PUBLISH_USER);
 	SrsPithyPrint pithy_print(SRS_STAGE_PUBLISH_USER);
 	
 	
 	while (true) {
 	while (true) {

@@ -36,6 +36,7 @@ class SrsRtmp;
 class SrsRequest;
 class SrsRequest;
 class SrsResponse;
 class SrsResponse;
 class SrsSource;
 class SrsSource;
+class SrsRefer;
 
 
 /**
 /**
 * the client provides the main logic control for RTMP clients.
 * the client provides the main logic control for RTMP clients.
@@ -47,12 +48,14 @@ private:
 	SrsRequest* req;
 	SrsRequest* req;
 	SrsResponse* res;
 	SrsResponse* res;
 	SrsRtmp* rtmp;
 	SrsRtmp* rtmp;
+	SrsRefer* refer;
 public:
 public:
 	SrsClient(SrsServer* srs_server, st_netfd_t client_stfd);
 	SrsClient(SrsServer* srs_server, st_netfd_t client_stfd);
 	virtual ~SrsClient();
 	virtual ~SrsClient();
 protected:
 protected:
 	virtual int do_cycle();
 	virtual int do_cycle();
 private:
 private:
+	virtual int check_vhost();
 	virtual int playing(SrsSource* source);
 	virtual int playing(SrsSource* source);
 	virtual int publish(SrsSource* source, bool is_fmle);
 	virtual int publish(SrsSource* source, bool is_fmle);
 	virtual int get_peer_ip();
 	virtual int get_peer_ip();

@@ -102,6 +102,33 @@ SrsConfDirective::~SrsConfDirective()
 	directives.clear();
 	directives.clear();
 }
 }
 
 
+std::string SrsConfDirective::arg0()
+{
+	if (args.size() > 0) {
+		return args.at(0);
+	}
+	
+	return "";
+}
+
+std::string SrsConfDirective::arg1()
+{
+	if (args.size() > 1) {
+		return args.at(1);
+	}
+	
+	return "";
+}
+
+std::string SrsConfDirective::arg2()
+{
+	if (args.size() > 2) {
+		return args.at(2);
+	}
+	
+	return "";
+}
+
 SrsConfDirective* SrsConfDirective::at(int index)
 SrsConfDirective* SrsConfDirective::at(int index)
 {
 {
 	return directives.at(index);
 	return directives.at(index);
@@ -437,6 +464,73 @@ int Config::parse_options(int argc, char** argv)
 	return ret;
 	return ret;
 }
 }
 
 
+SrsConfDirective* Config::get_vhost(std::string vhost)
+{
+	srs_assert(root);
+	
+	for (int i = 0; i < (int)root->directives.size(); i++) {
+		SrsConfDirective* conf = root->at(i);
+		
+		if (conf->name != "vhost") {
+			continue;
+		}
+		
+		if (conf->arg0() == vhost) {
+			return conf;
+		}
+	}
+	
+	if (vhost != RTMP_VHOST_DEFAULT) {
+		return get_vhost(RTMP_VHOST_DEFAULT);
+	}
+	
+	return NULL;
+}
+
+SrsConfDirective* Config::get_gop_cache(std::string vhost)
+{
+	SrsConfDirective* conf = get_vhost(vhost);
+
+	if (!conf) {
+		return NULL;
+	}
+	
+	return conf->get("gop_cache");
+}
+
+SrsConfDirective* Config::get_refer(std::string vhost)
+{
+	SrsConfDirective* conf = get_vhost(vhost);
+
+	if (!conf) {
+		return NULL;
+	}
+	
+	return conf->get("refer");
+}
+
+SrsConfDirective* Config::get_refer_play(std::string vhost)
+{
+	SrsConfDirective* conf = get_vhost(vhost);
+
+	if (!conf) {
+		return NULL;
+	}
+	
+	return conf->get("refer_play");
+}
+
+SrsConfDirective* Config::get_refer_publish(std::string vhost)
+{
+	SrsConfDirective* conf = get_vhost(vhost);
+
+	if (!conf) {
+		return NULL;
+	}
+	
+	return conf->get("refer_publish");
+}
+
 SrsConfDirective* Config::get_listen()
 SrsConfDirective* Config::get_listen()
 {
 {
 	return root->get("listen");
 	return root->get("listen");

@@ -32,6 +32,12 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <vector>
 #include <vector>
 #include <string>
 #include <string>
 
 
+// default vhost for rtmp
+#define RTMP_VHOST_DEFAULT "__defaultVhost__"
+
+// conf node: enabled.
+#define RTMP_VHOST_ENABLED "enabled"
+
 class SrsFileBuffer
 class SrsFileBuffer
 {
 {
 public:
 public:
@@ -61,6 +67,9 @@ public:
 public:
 public:
 	SrsConfDirective();
 	SrsConfDirective();
 	virtual ~SrsConfDirective();
 	virtual ~SrsConfDirective();
+	std::string arg0();
+	std::string arg1();
+	std::string arg2();
 	SrsConfDirective* at(int index);
 	SrsConfDirective* at(int index);
 	SrsConfDirective* get(std::string _name);
 	SrsConfDirective* get(std::string _name);
 public:
 public:
@@ -87,6 +96,11 @@ public:
 	virtual ~Config();
 	virtual ~Config();
 public:
 public:
 	virtual int parse_options(int argc, char** argv);
 	virtual int parse_options(int argc, char** argv);
+	virtual SrsConfDirective* get_vhost(std::string vhost);
+	virtual SrsConfDirective* get_gop_cache(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_listen();
 	virtual SrsConfDirective* get_listen();
 private:
 private:
 	virtual int parse_argv(int& i, char** argv);
 	virtual int parse_argv(int& i, char** argv);

@@ -65,6 +65,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_RTMP_TRY_SIMPLE_HS		311
 #define ERROR_RTMP_TRY_SIMPLE_HS		311
 #define ERROR_RTMP_CH_SCHEMA			312
 #define ERROR_RTMP_CH_SCHEMA			312
 #define ERROR_RTMP_PACKET_SIZE			313
 #define ERROR_RTMP_PACKET_SIZE			313
+#define ERROR_RTMP_VHOST_NOT_FOUND		314
+#define ERROR_RTMP_ACCESS_DENIED		315
 
 
 #define ERROR_SYSTEM_STREAM_INIT		400
 #define ERROR_SYSTEM_STREAM_INIT		400
 #define ERROR_SYSTEM_PACKET_INVALID		401
 #define ERROR_SYSTEM_PACKET_INVALID		401

+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+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
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include <srs_core_refer.hpp>
+
+#include <srs_core_error.hpp>
+#include <srs_core_log.hpp>
+#include <srs_core_config.hpp>
+
+int SrsRefer::check(std::string page_url, SrsConfDirective* refer)
+{
+	int ret = ERROR_SUCCESS;
+	
+	if (!refer) {
+		srs_verbose("ignore refer check for page_url=%s", page_url.c_str());
+		return ret;
+	}
+	
+	for (int i = 0; i < (int)refer->args.size(); i++) {
+		if ((ret = check_single_refer(page_url, refer->args.at(i))) == ERROR_SUCCESS) {
+			srs_verbose("check refer success. page_url=%s, refer=%s",
+				page_url.c_str(), refer->args.at(i).c_str());
+			return ret;
+		}
+	}
+	
+	ret = ERROR_RTMP_ACCESS_DENIED;
+	srs_error("check refer failed. ret=%d", ret);
+	
+	return ret;
+}
+
+int SrsRefer::check_single_refer(std::string page_url, std::string refer)
+{
+	int ret = ERROR_SUCCESS;
+	
+	size_t pos = std::string::npos;
+	
+	std::string domain_name = page_url;
+	if ((pos = domain_name.find("://")) != std::string::npos) {
+		domain_name = domain_name.substr(pos + 3);
+	}
+	
+	if ((pos = domain_name.find("/")) != std::string::npos) {
+		domain_name = domain_name.substr(0, pos);
+	}
+	
+	if ((pos = domain_name.find(":")) != std::string::npos) {
+		domain_name = domain_name.substr(0, pos);
+	}
+	
+	pos = domain_name.find(refer);
+	if (pos == std::string::npos) {
+		ret = ERROR_RTMP_ACCESS_DENIED;
+	}
+	// match primary domain.
+	if (pos != domain_name.length() - refer.length()) {
+		ret = ERROR_RTMP_ACCESS_DENIED;
+	}
+	
+	if (ret != ERROR_SUCCESS) {
+		srs_verbose("access denied, page_url=%s, domain_name=%s, refer=%s, ret=%d",
+			page_url.c_str(), domain_name.c_str(), refer.c_str(), ret);
+	}
+	
+	return ret;
+}
+

+/*
+The MIT License (MIT)
+
+Copyright (c) 2013 winlin
+
+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
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_CORE_REFER_HPP
+#define SRS_CORE_REFER_HPP
+
+/*
+#include <srs_core_refer.hpp>
+*/
+#include <srs_core.hpp>
+
+#include <string>
+
+class SrsConfDirective;
+
+class SrsRefer
+{
+public:
+	/**
+	* to check the refer.
+	* @param page_url the client page url.
+	* @param refer the refer in config.
+	*/
+	virtual int check(std::string page_url, SrsConfDirective* refer);
+private:
+	virtual int check_single_refer(std::string page_url, std::string refer);
+};
+
+#endif

@@ -110,6 +110,8 @@ int SrsRequest::discovery_app()
 		return ret;
 		return ret;
 	}
 	}
 	
 	
+	strip();
+	
 	return ret;
 	return ret;
 }
 }
 
 
@@ -117,8 +119,7 @@ std::string SrsRequest::get_stream_url()
 {
 {
 	std::string url = "";
 	std::string url = "";
 	
 	
-	//url += vhost;
-	
+	url += vhost;
 	url += "/";
 	url += "/";
 	url += app;
 	url += app;
 	url += "/";
 	url += "/";
@@ -127,6 +128,30 @@ std::string SrsRequest::get_stream_url()
 	return url;
 	return url;
 }
 }
 
 
+void SrsRequest::strip()
+{
+	trim(vhost, "/ \n\r\t");
+	trim(app, "/ \n\r\t");
+	trim(stream, "/ \n\r\t");
+}
+
+std::string& SrsRequest::trim(std::string& str, std::string chs)
+{
+	for (int i = 0; i < (int)chs.length(); i++) {
+		char ch = chs.at(i);
+		
+		for (std::string::iterator it = str.begin(); it != str.end();) {
+			if (ch == *it) {
+				it = str.erase(it);
+			} else {
+				++it;
+			}
+		}
+	}
+	
+	return str;
+}
+
 SrsResponse::SrsResponse()
 SrsResponse::SrsResponse()
 {
 {
 	stream_id = SRS_DEFAULT_SID;
 	stream_id = SRS_DEFAULT_SID;

@@ -66,6 +66,9 @@ struct SrsRequest
 	*/
 	*/
 	virtual int discovery_app();
 	virtual int discovery_app();
 	virtual std::string get_stream_url();
 	virtual std::string get_stream_url();
+	virtual void strip();
+private:
+	std::string& trim(std::string& str, std::string chs);
 };
 };
 
 
 /**
 /**

@@ -391,6 +391,19 @@ void SrsSource::on_unpublish()
 	srs_trace("clear cache/metadata/sequence-headers when unpublish.");
 	srs_trace("clear cache/metadata/sequence-headers when unpublish.");
 }
 }
 
 
+void SrsSource::set_cache(bool enabled)
+{
+	enable_gop_cache = enabled;
+	
+	if (!enabled) {
+		srs_info("disable gop cache, clear %d packets.", (int)gop_cache.size());
+		clear_gop_cache();
+		return;
+	}
+	
+	srs_info("enable gop cache");
+}
+
 int SrsSource::cache_last_gop(SrsSharedPtrMessage* msg)
 int SrsSource::cache_last_gop(SrsSharedPtrMessage* msg)
 {
 {
 	int ret = ERROR_SUCCESS;
 	int ret = ERROR_SUCCESS;

@@ -134,6 +134,7 @@ public:
 	virtual int create_consumer(SrsConsumer*& consumer);
 	virtual int create_consumer(SrsConsumer*& consumer);
 	virtual void on_consumer_destroy(SrsConsumer* consumer);
 	virtual void on_consumer_destroy(SrsConsumer* consumer);
 	virtual void on_unpublish();
 	virtual void on_unpublish();
+	virtual void set_cache(bool enabled);
 private:
 private:
 	/**
 	/**
 	* only for h264 codec
 	* only for h264 codec

@@ -12,6 +12,8 @@ file
     ..\core\srs_core_server.cpp,
     ..\core\srs_core_server.cpp,
     ..\core\srs_core_config.hpp,
     ..\core\srs_core_config.hpp,
     ..\core\srs_core_config.cpp,
     ..\core\srs_core_config.cpp,
+    ..\core\srs_core_refer.hpp,
+    ..\core\srs_core_refer.cpp,
     ..\core\srs_core_conn.hpp,
     ..\core\srs_core_conn.hpp,
     ..\core\srs_core_conn.cpp,
     ..\core\srs_core_conn.cpp,
     ..\core\srs_core_client.hpp,
     ..\core\srs_core_client.hpp,