merge from 2.0

@@ -348,6 +348,7 @@ Remark:
 
 ### SRS 2.0 history
 
+* v2.0, 2015-07-16, for [#441](https://github.com/simple-rtmp-server/srs/issues/441) use 30s timeout for first msg. 2.0.178
 * v2.0, 2015-07-14, refine hls disable the time jitter, support not mix monotonically increase. 2.0.177
 * v2.0, 2015-07-01, fix [#433](https://github.com/simple-rtmp-server/srs/issues/433) fix the sps parse bug. 2.0.176
 * v2.0, 2015-06-10, fix [#425](https://github.com/simple-rtmp-server/srs/issues/425) refine the time jitter, correct (-inf,-250)+(250,+inf) to 10ms. 2.0.175

@@ -23,6 +23,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include <srs_app_http_stream.hpp>
 
+#define SRS_STREAM_CACHE_CYCLE_SECONDS 30
+
 #if defined(SRS_AUTO_HTTP_CORE)
 
 #include <sys/types.h>
@@ -63,6 +65,9 @@ SrsStreamCache::SrsStreamCache(SrsSource* s, SrsRequest* r)
     source = s;
     queue = new SrsMessageQueue(true);
     pthread = new SrsEndlessThread("http-stream", this);
+    
+    // TODO: FIXME: support reload.
+    fast_cache = _srs_config->get_vhost_http_remux_fast_cache(req->vhost);
 }
 
 SrsStreamCache::~SrsStreamCache()
@@ -82,8 +87,6 @@ int SrsStreamCache::dump_cache(SrsConsumer* consumer, SrsRtmpJitterAlgorithm jit
 {
     int ret = ERROR_SUCCESS;
 
-    double fast_cache = _srs_config->get_vhost_http_remux_fast_cache(req->vhost);
-
     if (fast_cache <= 0) {
         srs_info("http: ignore dump fast cache.");
         return ret;
@@ -104,6 +107,14 @@ int SrsStreamCache::cycle()
 {
     int ret = ERROR_SUCCESS;
     
+    // TODO: FIXME: support reload.
+    if (fast_cache <= 0) {
+        st_sleep(SRS_STREAM_CACHE_CYCLE_SECONDS);
+        return ret;
+    }
+    
+    // the stream cache will create consumer to cache stream,
+    // which will trigger to fetch stream from origin for edge.
     SrsConsumer* consumer = NULL;
     if ((ret = source->create_consumer(consumer, false, false, true)) != ERROR_SUCCESS) {
         srs_error("http: create consumer failed. ret=%d", ret);
@@ -116,11 +127,9 @@ int SrsStreamCache::cycle()
     
     SrsMessageArray msgs(SRS_PERF_MW_MSGS);
 
+    // set the queue size, which used for max cache.
     // TODO: FIXME: support reload.
-    double fast_cache = _srs_config->get_vhost_http_remux_fast_cache(req->vhost);
-    if (fast_cache > 0) {
-        queue->set_queue_size(fast_cache);
-    }
+    queue->set_queue_size(fast_cache);
     
     while (true) {
         pprint->elapse();
@@ -150,11 +159,7 @@ int SrsStreamCache::cycle()
         // free the messages.
         for (int i = 0; i < count; i++) {
             SrsSharedPtrMessage* msg = msgs.msgs[i];
-            if (fast_cache > 0) {
-                queue->enqueue(msg);
-            } else {
-                srs_freep(msg);
-            }
+            queue->enqueue(msg);
         }
     }
     
@@ -1137,8 +1142,10 @@ int SrsHttpStreamServer::hijack(ISrsHttpMessage* request, ISrsHttpHandler** ph)
         }
         
         // hstrs not enabled, ignore.
-        // for origin: generally set hstrs to 'off' and mount while stream is pushed to origin.
-        // for edge: must set hstrs to 'on' so that it could trigger rtmp stream before mount.
+        // for origin, the http stream will be mount already when publish,
+        //      so it must never enter this line for stream already mounted.
+        // for edge, the http stream is trigger by hstrs and mount by it,
+        //      so we only hijack when only edge and hstrs is on.
         entry = it->second;
         if (!entry->hstrs) {
             return ret;
@@ -1175,12 +1182,18 @@ int SrsHttpStreamServer::hijack(ISrsHttpMessage* request, ISrsHttpHandler** ph)
     SrsAutoFree(SrsRequest, r);
 
     std::string sid = r->get_stream_url();
-    // check if the stream is enabled.
+    // check whether the http remux is enabled,
+    // for example, user disable the http flv then reload.
     if (sflvs.find(sid) != sflvs.end()) {
         SrsLiveEntry* s_entry = sflvs[sid];
         if (!s_entry->stream->entry->enabled) {
-            srs_error("stream is disabled, hijack failed. ret=%d", ret);
-            return ret;
+            // only when the http entry is disabled, check the config whether http flv disable,
+            // for the http flv edge use hijack to trigger the edge ingester, we always mount it
+            // eventhough the origin does not exists the specified stream.
+            if (!_srs_config->get_vhost_http_remux_enabled(r->vhost)) {
+                srs_error("stream is disabled, hijack failed. ret=%d", ret);
+                return ret;
+            }
         }
     }
 
@@ -1210,15 +1223,6 @@ int SrsHttpStreamServer::hijack(ISrsHttpMessage* request, ISrsHttpHandler** ph)
     srs_trace("hstrs: source url=%s, is_edge=%d, source_id=%d[%d]",
         r->get_stream_url().c_str(), vhost_is_edge, s->source_id(), s->source_id());
     
-    // TODO: FIXME: disconnect when all connection closed.
-    if (vhost_is_edge) {
-        // notice edge to start for the first client.
-        if ((ret = s->on_edge_start_play()) != ERROR_SUCCESS) {
-            srs_error("notice edge start play stream failed. ret=%d", ret);
-            return ret;
-        }
-    }
-    
     return ret;
 }
 

@@ -42,6 +42,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 class SrsStreamCache : public ISrsEndlessThreadHandler
 {
 private:
+    double fast_cache;
+private:
     SrsMessageQueue* queue;
     SrsSource* source;
     SrsRequest* req;

@@ -537,14 +537,6 @@ int SrsRtmpConn::playing(SrsSource* source)
     SrsAutoFree(SrsConsumer, consumer);
     srs_verbose("consumer created success.");
 
-    if (_srs_config->get_vhost_is_edge(req->vhost)) {
-        // notice edge to start for the first client.
-        if ((ret = source->on_edge_start_play()) != ERROR_SUCCESS) {
-            srs_error("notice edge start play stream failed. ret=%d", ret);
-            return ret;
-        }
-    }
-    
     // use isolate thread to recv, 
     // @see: https://github.com/simple-rtmp-server/srs/issues/217
     SrsQueueRecvThread trd(consumer, rtmp, SRS_PERF_MW_SLEEP);
@@ -782,8 +774,14 @@ int SrsRtmpConn::do_publishing(SrsSource* source, SrsPublishRecvThread* trd)
     while (!disposed) {
         pprint->elapse();
 
-        // cond wait for error.
-        trd->wait(SRS_CONSTS_RTMP_PUBLISHER_RECV_TIMEOUT_US / 1000);
+        // cond wait for timeout.
+        if (nb_msgs == 0) {
+            // when not got msgs, wait for a larger timeout.
+            // @see https://github.com/simple-rtmp-server/srs/issues/441
+            trd->wait(SRS_CONSTS_RTMP_PUBLISHER_NO_MSG_RECV_TIMEOUT_US / 1000);
+        } else {
+            trd->wait(SRS_CONSTS_RTMP_PUBLISHER_RECV_TIMEOUT_US / 1000);
+        }
 
         // check the thread error code.
         if ((ret = trd->error_code()) != ERROR_SUCCESS) {
@@ -835,7 +833,6 @@ int SrsRtmpConn::acquire_publish(SrsSource* source, bool is_edge)
         if ((ret = source->on_edge_start_publish()) != ERROR_SUCCESS) {
             srs_error("notice edge start publish stream failed. ret=%d", ret);
         }        
-        return ret;
     } else {
         if ((ret = source->on_publish()) != ERROR_SUCCESS) {
             srs_error("notify publish failed. ret=%d", ret);

@@ -765,7 +765,7 @@ SrsSource* SrsSource::fetch(SrsRequest* r)
 SrsSource* SrsSource::fetch(std::string vhost, std::string app, std::string stream)
 {
     SrsSource* source = NULL;
-	string stream_url = srs_generate_stream_url(vhost, app, stream);
+    string stream_url = srs_generate_stream_url(vhost, app, stream);
     
     if (pool.find(stream_url) == pool.end()) {
         return NULL;
@@ -2135,6 +2135,15 @@ int SrsSource::create_consumer(SrsConsumer*& consumer, bool ds, bool dm, bool dg
     } else {
         srs_trace("create consumer, ignore gop cache, jitter=%d", jitter_algorithm);
     }
+
+    // for edge, when play edge stream, check the state
+    if (_srs_config->get_vhost_is_edge(_req->vhost)) {
+        // notice edge to start for the first client.
+        if ((ret = play_edge->on_client_play()) != ERROR_SUCCESS) {
+            srs_error("notice edge start play stream failed. ret=%d", ret);
+            return ret;
+        }
+    }
     
     return ret;
 }
@@ -2163,11 +2172,6 @@ SrsRtmpJitterAlgorithm SrsSource::jitter()
     return jitter_algorithm;
 }
 
-int SrsSource::on_edge_start_play()
-{
-    return play_edge->on_client_play();
-}
-
 int SrsSource::on_edge_start_publish()
 {
     return publish_edge->on_client_publish();

@@ -574,8 +574,6 @@ public:
     virtual SrsRtmpJitterAlgorithm jitter();
 // internal
 public:
-    // for edge, when play edge stream, check the state
-    virtual int on_edge_start_play();
     // for edge, when publish edge stream, check the state
     virtual int on_edge_start_publish();
     // for edge, proxy the publish

@@ -78,6 +78,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // we must use more smaller timeout, for the recv never know the status
 // of underlayer socket.
 #define SRS_CONSTS_RTMP_PUBLISHER_RECV_TIMEOUT_US (int64_t)(3*1000*1000LL)
+// when no msg recevied for publisher, use larger timeout.
+#define SRS_CONSTS_RTMP_PUBLISHER_NO_MSG_RECV_TIMEOUT_US 10*SRS_CONSTS_RTMP_PUBLISHER_RECV_TIMEOUT_US
 
 // the timeout to wait for client control message,
 // if timeout, we generally ignore and send the data to client,