fix #293, support rtmp remux to http flv live stream.

@@ -476,7 +476,10 @@ Supported operating systems and hardware:
 [#179](https://github.com/winlinvip/simple-rtmp-server/issues/179) and
 [274](https://github.com/winlinvip/simple-rtmp-server/issues/274).
 1. Support rtmp remux to http flv live stream, read 
-[#293](https://github.com/winlinvip/simple-rtmp-server/issues/293).
+[#293](https://github.com/winlinvip/simple-rtmp-server/issues/293)(
+[CN](https://github.com/winlinvip/simple-rtmp-server/wiki/v2_CN_DeliveryHttpFlvStream),
+[EN](https://github.com/winlinvip/simple-rtmp-server/wiki/v2_CN_DeliveryHttpFlvStream)
+).
 1. [no-plan] Support <500ms latency, FRSC(Fast RTMP-compatible Stream Channel tech).
 1. [no-plan] Support RTMP 302 redirect [#92](https://github.com/winlinvip/simple-rtmp-server/issues/92).
 1. [no-plan] Support multiple processes, for both origin and edge

@@ -402,6 +402,7 @@ int SrsGoHttpFileServer::copy(ISrsGoHttpResponseWriter* w, SrsFileReader* fs, Sr
 
 SrsGoHttpMuxEntry::SrsGoHttpMuxEntry()
 {
+    enabled = true;
     explicit_match = false;
     handler = NULL;
 }
@@ -572,6 +573,10 @@ int SrsGoHttpServeMux::match(SrsHttpMessage* r, ISrsGoHttpHandler** ph)
         std::string pattern = it->first;
         SrsGoHttpMuxEntry* entry = it->second;
         
+        if (!entry->enabled) {
+            continue;
+        }
+        
         if (!path_match(pattern, path)) {
             continue;
         }

@@ -230,6 +230,7 @@ public:
     bool explicit_match;
     ISrsGoHttpHandler* handler;
     std::string pattern;
+    bool enabled;
 public:
     SrsGoHttpMuxEntry();
     virtual ~SrsGoHttpMuxEntry();

@@ -282,12 +282,22 @@ int SrsLiveStream::send_messages(SrsFlvEncoder* enc, SrsSharedPtrMessage** msgs,
     return ret;
 }
 
+SrsLiveEntry::SrsLiveEntry()
+{
+    stream = NULL;
+}
+
 SrsHttpServer::SrsHttpServer()
 {
 }
 
 SrsHttpServer::~SrsHttpServer()
 {
+    std::map<std::string, SrsLiveEntry*>::iterator it;
+    for (it = flvs.begin(); it != flvs.end(); ++it) {
+        SrsLiveEntry* entry = it->second;
+        srs_freep(entry);
+    }
     flvs.clear();
 }
 
@@ -317,8 +327,16 @@ int SrsHttpServer::mount(SrsSource* s, SrsRequest* r)
         srs_info("ignore mount flv stream for disabled");
         return ret;
     }
+    
+    SrsLiveEntry* entry = flvs[r->vhost];
+    
+    // TODO: FIXME: supports reload.
+    if (entry->stream) {
+        entry->stream->entry->enabled = true;
+        return ret;
+    }
 
-    std::string mount = flvs[r->vhost];
+    std::string mount = entry->mount;
 
     // replace the vhost variable
     mount = srs_string_replace(mount, "[vhost]", r->vhost);
@@ -328,8 +346,10 @@ int SrsHttpServer::mount(SrsSource* s, SrsRequest* r)
     // remove the default vhost mount
     mount = srs_string_replace(mount, SRS_CONSTS_RTMP_DEFAULT_VHOST"/", "/");
     
+    entry->stream = new SrsLiveStream(s, r);
+    
     // mount the http flv stream.
-    if ((ret = mux.handle(mount, new SrsLiveStream(s, r))) != ERROR_SUCCESS) {
+    if ((ret = mux.handle(mount, entry->stream)) != ERROR_SUCCESS) {
         srs_error("http: mount flv stream for vhost=%s failed. ret=%d", r->vhost.c_str(), ret);
         return ret;
     }
@@ -344,8 +364,9 @@ void SrsHttpServer::unmount(SrsSource* s, SrsRequest* r)
         srs_info("ignore unmount flv stream for disabled");
         return;
     }
-    
-    // TODO: FIXME: implements it.
+
+    SrsLiveEntry* entry = flvs[r->vhost];
+    entry->stream->entry->enabled = false;
 }
 
 int SrsHttpServer::on_reload_vhost_http_updated()
@@ -440,10 +461,12 @@ int SrsHttpServer::mount_flv_streaming()
             continue;
         }
         
-        std::string mount = _srs_config->get_vhost_http_flv_mount(vhost);
-        flvs[vhost] = mount;
+        SrsLiveEntry* entry = new SrsLiveEntry();
+        entry->vhost = vhost;
+        entry->mount = _srs_config->get_vhost_http_flv_mount(vhost);
+        flvs[vhost] = entry;
         srs_trace("http flv live stream, vhost=%s, mount=%s", 
-            vhost.c_str(), mount.c_str());
+            vhost.c_str(), entry->mount.c_str());
     }
     
     return ret;

@@ -101,6 +101,18 @@ private:
 };
 
 /**
+* the srs live entry
+*/
+struct SrsLiveEntry
+{
+    std::string vhost;
+    std::string mount;
+    SrsLiveStream* stream;
+    
+    SrsLiveEntry();
+};
+
+/**
 * the http server instance,
 * serve http static file, flv vod stream and flv live stream.
 */
@@ -109,7 +121,7 @@ class SrsHttpServer : public ISrsReloadHandler
 public:
     SrsGoHttpServeMux mux;
     // the flv live streaming template.
-    std::map<std::string, std::string> flvs;
+    std::map<std::string, SrsLiveEntry*> flvs;
 public:
     SrsHttpServer();
     virtual ~SrsHttpServer();