fix #404, register handler then start http thread. 2.0.167.

@@ -340,6 +340,7 @@ Remark:
 
 ### SRS 2.0 history
 
+* v2.0, 2015-05-24, fix [#404](https://github.com/simple-rtmp-server/srs/issues/404) register handler then start http thread. 2.0.167.
 * v2.0, 2015-05-23, refine the thread, protocol, kbps code. 2.0.166
 * v2.0, 2015-05-23, fix [#391](https://github.com/simple-rtmp-server/srs/issues/391) copy request for async call.
 * v2.0, 2015-05-22, fix [#397](https://github.com/simple-rtmp-server/srs/issues/397) the USER_HZ maybe not 100. 2.0.165

@@ -1854,17 +1854,20 @@ int SrsHttpServer::http_mount(SrsSource* s, SrsRequest* r)
         
         sflvs[sid] = entry;
         
-        // start http stream cache thread
-        if ((ret = entry->cache->start()) != ERROR_SUCCESS) {
-            srs_error("http: start stream cache failed. ret=%d", ret);
-            return ret;
-        }
-        
         // mount the http flv stream.
+        // we must register the handler, then start the thread,
+        // for the thread will cause thread switch context.
+        // @see https://github.com/simple-rtmp-server/srs/issues/404
         if ((ret = mux.handle(mount, entry->stream)) != ERROR_SUCCESS) {
             srs_error("http: mount flv stream for vhost=%s failed. ret=%d", sid.c_str(), ret);
             return ret;
         }
+        
+        // start http stream cache thread
+        if ((ret = entry->cache->start()) != ERROR_SUCCESS) {
+            srs_error("http: start stream cache failed. ret=%d", ret);
+            return ret;
+        }
         srs_trace("http: mount flv stream for vhost=%s, mount=%s", sid.c_str(), mount.c_str());
     } else {
         entry = sflvs[sid];

@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
-#define VERSION_REVISION    166
+#define VERSION_REVISION    167
 
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"

@@ -134,7 +134,9 @@ int SrsFlvEncoder::write_metadata(char type, char* data, int size)
     tag_stream->write_3bytes(size);
     
     if ((ret = write_tag(tag_header, sizeof(tag_header), data, size)) != ERROR_SUCCESS) {
+        if (!srs_is_client_gracefully_close(ret)) {
             srs_error("write flv data tag failed. ret=%d", ret);
+        }
         return ret;
     }
     
@@ -168,7 +170,9 @@ int SrsFlvEncoder::write_audio(int64_t timestamp, char* data, int size)
     tag_stream->write_1bytes((timestamp >> 24) & 0xFF);
     
     if ((ret = write_tag(tag_header, sizeof(tag_header), data, size)) != ERROR_SUCCESS) {
+        if (!srs_is_client_gracefully_close(ret)) {
             srs_error("write flv audio tag failed. ret=%d", ret);
+        }
         return ret;
     }
     
@@ -221,13 +225,17 @@ int SrsFlvEncoder::write_tag(char* header, int header_size, char* tag, int tag_s
     
     // write tag header.
     if ((ret = _fs->write(header, header_size, NULL)) != ERROR_SUCCESS) {
+        if (!srs_is_client_gracefully_close(ret)) {
             srs_error("write flv tag header failed. ret=%d", ret);
+        }
         return ret;
     }
     
     // write tag data.
     if ((ret = _fs->write(tag, tag_size, NULL)) != ERROR_SUCCESS) {
+        if (!srs_is_client_gracefully_close(ret)) {
             srs_error("write flv tag failed. ret=%d", ret);
+        }
         return ret;
     }
     
@@ -238,7 +246,9 @@ int SrsFlvEncoder::write_tag(char* header, int header_size, char* tag, int tag_s
     }
     tag_stream->write_4bytes(tag_size + header_size);
     if ((ret = _fs->write(pre_size, sizeof(pre_size), NULL)) != ERROR_SUCCESS) {
+        if (!srs_is_client_gracefully_close(ret)) {
             srs_error("write flv previous tag size failed. ret=%d", ret);
+        }
         return ret;
     }