Revert "for bug#194, open pipe for each connection."

This reverts commit ade81bb2.

@@ -81,7 +81,7 @@ int SrsPipe::active()
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
     int v = 0;
     int v = 0;
-    if (st_write(write_stfd, &v, sizeof(int), ST_UTIME_NO_TIMEOUT) != sizeof(int)) {
+    if (st_write(read_stfd, &v, sizeof(int), ST_UTIME_NO_TIMEOUT) != sizeof(int)) {
         ret = ERROR_SYSTEM_WRITE_PIPE;
         ret = ERROR_SYSTEM_WRITE_PIPE;
         srs_error("write pipe failed. ret=%d", ret);
         srs_error("write pipe failed. ret=%d", ret);
         return ret;
         return ret;

@@ -516,12 +516,7 @@ int SrsRtmpConn::playing(SrsSource* source)
     SrsAutoFree(SrsConsumer, consumer);
     SrsAutoFree(SrsConsumer, consumer);
     srs_verbose("consumer created success.");
     srs_verbose("consumer created success.");
     
     
-    // TODO: FIXME: remove it.
     rtmp->set_recv_timeout(SRS_CONSTS_RTMP_PULSE_TIMEOUT_US);
     rtmp->set_recv_timeout(SRS_CONSTS_RTMP_PULSE_TIMEOUT_US);
-    // disable the timeout.
-    // TODO: FIXME: maybe can use larger timeout?
-    rtmp->set_recv_timeout(ST_UTIME_NO_TIMEOUT);
-    rtmp->set_send_timeout(ST_UTIME_NO_TIMEOUT);
     
     
     SrsPithyPrint pithy_print(SRS_CONSTS_STAGE_PLAY_USER);
     SrsPithyPrint pithy_print(SRS_CONSTS_STAGE_PLAY_USER);
     
     
@@ -530,30 +525,12 @@ int SrsRtmpConn::playing(SrsSource* source)
     bool user_specified_duration_to_stop = (req->duration > 0);
     bool user_specified_duration_to_stop = (req->duration > 0);
     int64_t starttime = -1;
     int64_t starttime = -1;
     
     
-    pollfd pds[2];
-    // poll the client incoming fd.
-    pds[0].fd = st_netfd_fileno(stfd);
-    pds[0].events = POLLIN;
-    // poll the consumer queue pipe.
-    pds[1].fd = st_netfd_fileno(consumer->pipe_fd());
-    pds[1].events = POLLIN;
-    
     while (true) {
     while (true) {
         // collect elapse for pithy print.
         // collect elapse for pithy print.
         pithy_print.elapse();
         pithy_print.elapse();
-        
-        pds[0].revents = 0;
-        pds[1].revents = 0;
 
 
-        // wait for packet incoming or data outgoing.
-        if (st_poll(pds, 2, ST_UTIME_NO_TIMEOUT) <= 0) {
-            srs_error("st_poll failed.");
-            break;
-        }
-
-        // packet incoming, read from RTMP.
         // read from client.
         // read from client.
-        if (pds[0].revents & POLLIN) {
+        if (true) {
             SrsMessage* msg = NULL;
             SrsMessage* msg = NULL;
             ret = rtmp->recv_message(&msg);
             ret = rtmp->recv_message(&msg);
             srs_verbose("play loop recv message. ret=%d", ret);
             srs_verbose("play loop recv message. ret=%d", ret);
@@ -576,52 +553,49 @@ int SrsRtmpConn::playing(SrsSource* source)
             }
             }
         }
         }
         
         
-        // data outgoing, sendout packets.
-        if (pds[1].revents & POLLIN) {
-            // get messages from consumer.
-            int count = 0;
-            if ((ret = consumer->dump_packets(msgs.size, msgs.msgs, count)) != ERROR_SUCCESS) {
-                srs_error("get messages from consumer failed. ret=%d", ret);
-                return ret;
-            }
-    
-            // reportable
-            if (pithy_print.can_print()) {
-                kbps->sample();
-                srs_trace("-> "SRS_CONSTS_LOG_PLAY
-                    " time=%"PRId64", msgs=%d, okbps=%d,%d,%d, ikbps=%d,%d,%d", 
-                    pithy_print.age(), count,
-                    kbps->get_send_kbps(), kbps->get_send_kbps_30s(), kbps->get_send_kbps_5m(),
-                    kbps->get_recv_kbps(), kbps->get_recv_kbps_30s(), kbps->get_recv_kbps_5m());
-            }
+        // get messages from consumer.
+        int count = 0;
+        if ((ret = consumer->dump_packets(msgs.size, msgs.msgs, count)) != ERROR_SUCCESS) {
+            srs_error("get messages from consumer failed. ret=%d", ret);
+            return ret;
+        }
+
+        // reportable
+        if (pithy_print.can_print()) {
+            kbps->sample();
+            srs_trace("-> "SRS_CONSTS_LOG_PLAY
+                " time=%"PRId64", msgs=%d, okbps=%d,%d,%d, ikbps=%d,%d,%d", 
+                pithy_print.age(), count,
+                kbps->get_send_kbps(), kbps->get_send_kbps_30s(), kbps->get_send_kbps_5m(),
+                kbps->get_recv_kbps(), kbps->get_recv_kbps_30s(), kbps->get_recv_kbps_5m());
+        }
+        
+        // sendout messages
+        // @remark, becareful, all msgs must be free explicitly,
+        //      free by send_and_free_message or srs_freep.
+        for (int i = 0; i < count; i++) {
+            SrsSharedPtrMessage* msg = msgs.msgs[i];
             
             
-            // sendout messages
-            // @remark, becareful, all msgs must be free explicitly,
-            //      free by send_and_free_message or srs_freep.
-            for (int i = 0; i < count; i++) {
-                SrsSharedPtrMessage* msg = msgs.msgs[i];
-                
-                // the send_message will free the msg, 
-                // so set the msgs[i] to NULL.
-                msgs.msgs[i] = NULL;
-                
-                // only when user specifies the duration, 
-                // we start to collect the durations for each message.
-                if (user_specified_duration_to_stop) {
-                    // foreach msg, collect the duration.
-                    // @remark: never use msg when sent it, for the protocol sdk will free it.
-                    if (starttime < 0 || starttime > msg->header.timestamp) {
-                        starttime = msg->header.timestamp;
-                    }
-                    duration += msg->header.timestamp - starttime;
+            // the send_message will free the msg, 
+            // so set the msgs[i] to NULL.
+            msgs.msgs[i] = NULL;
+            
+            // only when user specifies the duration, 
+            // we start to collect the durations for each message.
+            if (user_specified_duration_to_stop) {
+                // foreach msg, collect the duration.
+                // @remark: never use msg when sent it, for the protocol sdk will free it.
+                if (starttime < 0 || starttime > msg->header.timestamp) {
                     starttime = msg->header.timestamp;
                     starttime = msg->header.timestamp;
                 }
                 }
-                
-                // no need to assert msg, for the rtmp will assert it.
-                if ((ret = rtmp->send_and_free_message(msg, res->stream_id)) != ERROR_SUCCESS) {
-                    srs_error("send message to client failed. ret=%d", ret);
-                    return ret;
-                }
+                duration += msg->header.timestamp - starttime;
+                starttime = msg->header.timestamp;
+            }
+            
+            // no need to assert msg, for the rtmp will assert it.
+            if ((ret = rtmp->send_and_free_message(msg, res->stream_id)) != ERROR_SUCCESS) {
+                srs_error("send message to client failed. ret=%d", ret);
+                return ret;
             }
             }
         }
         }