Merge branch 'srs.master'

@@ -388,8 +388,7 @@ if [ $SRS_EXPORT_LIBRTMP_PROJECT = NO ]; then
             "srs_app_thread" "srs_app_bandwidth" "srs_app_st" "srs_app_log" "srs_app_config" 
             "srs_app_thread" "srs_app_bandwidth" "srs_app_st" "srs_app_log" "srs_app_config" 
             "srs_app_pithy_print" "srs_app_reload" "srs_app_http_api" "srs_app_http_conn" "srs_app_http_hooks" 
             "srs_app_pithy_print" "srs_app_reload" "srs_app_http_api" "srs_app_http_conn" "srs_app_http_hooks" 
             "srs_app_json" "srs_app_ingest" "srs_app_ffmpeg" "srs_app_utility" "srs_app_dvr" "srs_app_edge"
             "srs_app_json" "srs_app_ingest" "srs_app_ffmpeg" "srs_app_utility" "srs_app_dvr" "srs_app_edge"
-            "srs_app_kbps" "srs_app_heartbeat" "srs_app_empty" "srs_app_http_client" "srs_app_avc_aac"
-            "srs_app_pipe")
+            "srs_app_kbps" "srs_app_heartbeat" "srs_app_empty" "srs_app_http_client" "srs_app_avc_aac")
     APP_INCS="src/app"; MODULE_DIR=${APP_INCS} . auto/modules.sh
     APP_INCS="src/app"; MODULE_DIR=${APP_INCS} . auto/modules.sh
     APP_OBJS="${MODULE_OBJS[@]}"
     APP_OBJS="${MODULE_OBJS[@]}"
 fi
 fi

@@ -1475,38 +1475,12 @@ int SrsConfig::check_config()
     
     
     // check max connections of system limits
     // check max connections of system limits
     if (true) {
     if (true) {
-        int nb_consumed_fds = (int)get_listen().size();
-        if (get_http_api_listen() > 0) {
-            nb_consumed_fds++;
-        }
-        if (get_http_stream_listen() > 0) {
-            nb_consumed_fds++;
-        }
-        if (get_log_tank_file()) {
-            nb_consumed_fds++;
-        }
-        // 0, 1, 2 for stdin, stdout and stderr.
-        nb_consumed_fds += 3;
-        
-        int nb_connections = get_max_connections();
-        int nb_pipes = nb_connections * 2;
-        int nb_reserved = 10; // reserved
-        int nb_total = nb_connections + nb_pipes + nb_consumed_fds + nb_reserved;
-        
         int max_open_files = sysconf(_SC_OPEN_MAX);
         int max_open_files = sysconf(_SC_OPEN_MAX);
-        int nb_canbe = (max_open_files - (nb_consumed_fds + nb_reserved)) / 3 - 1;
-
-        // for each play connections, we open a pipe(2fds) to convert SrsConsumver to io,
-        // refine performance, @see: https://github.com/winlinvip/simple-rtmp-server/issues/194
-        if (nb_total >= max_open_files) {
+        if (get_max_connections() > max_open_files) {
             ret = ERROR_SYSTEM_CONFIG_INVALID;
             ret = ERROR_SYSTEM_CONFIG_INVALID;
-            srs_error("invalid max_connections=%d, required=%d, system limit to %d, "
-                "total=%d(max_connections=%d, nb_pipes=%d, nb_consumed_fds=%d, nb_reserved=%d), ret=%d. "
-                "you can change max_connections from %d to %d, or "
-                "you can login as root and set the limit: ulimit -HSn %d", 
-                nb_connections, nb_total, max_open_files, 
-                nb_total, nb_connections, nb_pipes, nb_consumed_fds, nb_reserved,
-                ret, nb_connections, nb_canbe, nb_total);
+            srs_error("invalid max_connections=%d, system limit to %d, ret=%d. "
+                "you can login as root and set the limit: ulimit -HSn %d", get_max_connections(), max_open_files,
+                ret, get_max_connections());
             return ret;
             return ret;
         }
         }
     }
     }

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013-2014 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_app_pipe.hpp>
-
-#include <unistd.h>
-
-#include <srs_kernel_error.hpp>
-#include <srs_kernel_log.hpp>
-
-SrsPipe::SrsPipe()
-{
-    fds[0] = fds[1] = 0;
-    read_stfd = write_stfd = NULL;
-    _already_written = false;
-}
-
-SrsPipe::~SrsPipe()
-{
-    srs_close_stfd(read_stfd);
-    srs_close_stfd(write_stfd);
-}
-
-int SrsPipe::initialize()
-{
-    int ret = ERROR_SUCCESS;
-    
-    if (pipe(fds) < 0) {
-        ret = ERROR_SYSTEM_CREATE_PIPE;
-        srs_error("create pipe failed. ret=%d", ret);
-        return ret;
-    }
-    
-    if ((read_stfd = st_netfd_open(fds[0])) == NULL) {
-        ret = ERROR_SYSTEM_CREATE_PIPE;
-        srs_error("open read pipe failed. ret=%d", ret);
-        return ret;
-    }
-    
-    if ((write_stfd = st_netfd_open(fds[1])) == NULL) {
-        ret = ERROR_SYSTEM_CREATE_PIPE;
-        srs_error("open write pipe failed. ret=%d", ret);
-        return ret;
-    }
-    
-    return ret;
-}
-
-st_netfd_t SrsPipe::rfd()
-{
-    return read_stfd;
-}
-
-bool SrsPipe::already_written()
-{
-    return _already_written;
-}
-
-int SrsPipe::active()
-{
-    int ret = ERROR_SUCCESS;
-    
-    int v = 0;
-    if (st_write(write_stfd, &v, sizeof(int), ST_UTIME_NO_TIMEOUT) != sizeof(int)) {
-        ret = ERROR_SYSTEM_WRITE_PIPE;
-        srs_error("write pipe failed. ret=%d", ret);
-        return ret;
-    }
-    
-    _already_written = true;
-    
-    return ret;
-}
-
-int SrsPipe::reset()
-{
-    int ret = ERROR_SUCCESS;
-    
-    int v;
-    if (st_read(read_stfd, &v, sizeof(int), ST_UTIME_NO_TIMEOUT) != sizeof(int)) {
-        ret = ERROR_SYSTEM_READ_PIPE;
-        srs_error("read pipe failed. ret=%d", ret);
-        return ret;
-    }
-    
-    _already_written = false;
-    
-    return ret;
-}
-

-/*
-The MIT License (MIT)
-
-Copyright (c) 2013-2014 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_APP_PIPE_HPP
-#define SRS_APP_PIPE_HPP
-
-/*
-#include <srs_app_pipe.hpp>
-*/
-
-#include <srs_core.hpp>
-
-#include <srs_app_st.hpp>
-
-/**
-* convert something to io, 
-* for example, signal or SrsConsumer event.
-* for performance issue, @see: https://github.com/winlinvip/simple-rtmp-server/issues/194
-*/
-class SrsPipe
-{
-private:
-    int fds[2];
-    st_netfd_t read_stfd;
-    st_netfd_t write_stfd;
-    /**
-    * for the event based service, 
-    * for example, the consumer only care whether there is data writen in pipe,
-    * and the source will not write to pipe when pipe is already writen.
-    */
-    bool _already_written;
-public:
-    SrsPipe();
-    virtual ~SrsPipe();
-public:
-    /**
-    * initialize pipes, open fds.
-    */
-    virtual int initialize();
-    /**
-    * get the read fd to poll.
-    */
-    virtual st_netfd_t rfd();
-public:
-    /**
-    * for event based service, whether already writen data.
-    */
-    virtual bool already_written();
-    /**
-    * for event based service, 
-    * write an int to pipe and set the pipe to active.
-    */
-    virtual int active();
-    /**
-    * for event based service,
-    * read an int from pipe and reset the pipe to deactive.
-    */
-    virtual int reset();
-};
-
-#endif
-

@@ -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);
@@ -576,8 +553,6 @@ int SrsRtmpConn::playing(SrsSource* source)
             }
             }
         }
         }
         
         
-        // data outgoing, sendout packets.
-        if (pds[1].revents & POLLIN) {
         // get messages from consumer.
         // get messages from consumer.
         int count = 0;
         int count = 0;
         if ((ret = consumer->dump_packets(msgs.size, msgs.msgs, count)) != ERROR_SUCCESS) {
         if ((ret = consumer->dump_packets(msgs.size, msgs.msgs, count)) != ERROR_SUCCESS) {
@@ -623,7 +598,6 @@ int SrsRtmpConn::playing(SrsSource* source)
                 return ret;
                 return ret;
             }
             }
         }
         }
-        }
         
         
         // if duration specified, and exceed it, stop play live.
         // if duration specified, and exceed it, stop play live.
         // @see: https://github.com/winlinvip/simple-rtmp-server/issues/45
         // @see: https://github.com/winlinvip/simple-rtmp-server/issues/45

@@ -41,7 +41,6 @@ using namespace std;
 #include <srs_app_edge.hpp>
 #include <srs_app_edge.hpp>
 #include <srs_kernel_utility.hpp>
 #include <srs_kernel_utility.hpp>
 #include <srs_app_avc_aac.hpp>
 #include <srs_app_avc_aac.hpp>
-#include <srs_app_pipe.hpp>
 
 
 #define CONST_MAX_JITTER_MS         500
 #define CONST_MAX_JITTER_MS         500
 #define DEFAULT_FRAME_TIME_MS         40
 #define DEFAULT_FRAME_TIME_MS         40
@@ -172,11 +171,6 @@ void SrsMessageQueue::set_queue_size(double queue_size)
     queue_size_ms = (int)(queue_size * 1000);
     queue_size_ms = (int)(queue_size * 1000);
 }
 }
 
 
-bool SrsMessageQueue::empty()
-{
-    return msgs.size() == 0;
-}
-
 int SrsMessageQueue::enqueue(SrsSharedPtrMessage* msg)
 int SrsMessageQueue::enqueue(SrsSharedPtrMessage* msg)
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
@@ -296,7 +290,6 @@ SrsConsumer::SrsConsumer(SrsSource* _source)
     jitter = new SrsRtmpJitter();
     jitter = new SrsRtmpJitter();
     queue = new SrsMessageQueue();
     queue = new SrsMessageQueue();
     should_update_source_id = false;
     should_update_source_id = false;
-    pipe = new SrsPipe();
 }
 }
 
 
 SrsConsumer::~SrsConsumer()
 SrsConsumer::~SrsConsumer()
@@ -306,23 +299,6 @@ SrsConsumer::~SrsConsumer()
     srs_freep(queue);
     srs_freep(queue);
 }
 }
 
 
-int SrsConsumer::initialize()
-{
-    int ret = ERROR_SUCCESS;
-    
-    if ((ret = pipe->initialize()) != ERROR_SUCCESS) {
-        srs_error("initialize the pipe for consumer failed. ret=%d", ret);
-        return ret;
-    }
-    
-    return ret;
-}
-
-st_netfd_t SrsConsumer::pipe_fd()
-{
-    return pipe->rfd();
-}
-
 void SrsConsumer::set_queue_size(double queue_size)
 void SrsConsumer::set_queue_size(double queue_size)
 {
 {
     queue->set_queue_size(queue_size);
     queue->set_queue_size(queue_size);
@@ -353,18 +329,11 @@ int SrsConsumer::enqueue(SrsSharedPtrMessage* msg, bool atc, int tba, int tbv, S
         return ret;
         return ret;
     }
     }
     
     
-    // notify the rtmp connection to resume to send packet.
-    if (!pipe->already_written()) {
-        pipe->active();
-    }
-    
     return ret;
     return ret;
 }
 }
 
 
 int SrsConsumer::dump_packets(int max_count, SrsSharedPtrMessage** pmsgs, int& count)
 int SrsConsumer::dump_packets(int max_count, SrsSharedPtrMessage** pmsgs, int& count)
 {
 {
-    int ret = ERROR_SUCCESS;
-    
     srs_assert(max_count > 0);
     srs_assert(max_count > 0);
     
     
     if (should_update_source_id) {
     if (should_update_source_id) {
@@ -377,15 +346,7 @@ int SrsConsumer::dump_packets(int max_count, SrsSharedPtrMessage** pmsgs, int& c
         return ERROR_SUCCESS;
         return ERROR_SUCCESS;
     }
     }
     
     
-    if ((ret = queue->dump_packets(max_count, pmsgs, count)) != ERROR_SUCCESS) {
-        return ret;
-    }
-    
-    if (queue->empty()) {
-        return pipe->reset();
-    }
-    
-    return ret;
+    return queue->dump_packets(max_count, pmsgs, count);
 }
 }
 
 
 int SrsConsumer::on_play_client_pause(bool is_pause)
 int SrsConsumer::on_play_client_pause(bool is_pause)
@@ -1493,13 +1454,7 @@ void SrsSource::on_unpublish()
 {
 {
     int ret = ERROR_SUCCESS;
     int ret = ERROR_SUCCESS;
     
     
-    SrsConsumer* c = new SrsConsumer(this);
-    if ((ret = c->initialize()) != ERROR_SUCCESS) {
-        srs_freep(c);
-        return ret;
-    }
-    
-    consumer = c;
+    consumer = new SrsConsumer(this);
     consumers.push_back(consumer);
     consumers.push_back(consumer);
     
     
     double queue_size = _srs_config->get_queue_length(_req->vhost);
     double queue_size = _srs_config->get_queue_length(_req->vhost);

@@ -58,7 +58,6 @@ class SrsDvr;
 class SrsEncoder;
 class SrsEncoder;
 #endif
 #endif
 class SrsStream;
 class SrsStream;
-class SrsPipe;
 
 
 /**
 /**
 * the time jitter algorithm:
 * the time jitter algorithm:
@@ -123,10 +122,6 @@ public:
     virtual void set_queue_size(double queue_size);
     virtual void set_queue_size(double queue_size);
 public:
 public:
     /**
     /**
-    * whether queue is empty.
-    */
-    virtual bool empty();
-    /**
     * enqueue the message, the timestamp always monotonically.
     * enqueue the message, the timestamp always monotonically.
     * @param msg, the msg to enqueue, user never free it whatever the return code.
     * @param msg, the msg to enqueue, user never free it whatever the return code.
     */
     */
@@ -153,7 +148,6 @@ private:
 class SrsConsumer
 class SrsConsumer
 {
 {
 private:
 private:
-    SrsPipe* pipe;
     SrsRtmpJitter* jitter;
     SrsRtmpJitter* jitter;
     SrsSource* source;
     SrsSource* source;
     SrsMessageQueue* queue;
     SrsMessageQueue* queue;
@@ -165,16 +159,6 @@ public:
     virtual ~SrsConsumer();
     virtual ~SrsConsumer();
 public:
 public:
     /**
     /**
-    * initialize the consumer.
-    */
-    virtual int initialize();
-    /**
-    * source can use this fd to poll with the read event,
-    * for performance issue, @see: https://github.com/winlinvip/simple-rtmp-server/issues/194
-    */
-    virtual st_netfd_t pipe_fd();
-public:
-    /**
     * set the size of queue.
     * set the size of queue.
     */
     */
     virtual void set_queue_size(double queue_size);
     virtual void set_queue_size(double queue_size);

@@ -88,8 +88,6 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define ERROR_SYSTEM_FILE_SEEK              1049
 #define ERROR_SYSTEM_FILE_SEEK              1049
 #define ERROR_SYSTEM_IO_INVALID             1050
 #define ERROR_SYSTEM_IO_INVALID             1050
 #define ERROR_ST_EXCEED_THREADS             1051
 #define ERROR_ST_EXCEED_THREADS             1051
-#define ERROR_SYSTEM_READ_PIPE              1052
-#define ERROR_SYSTEM_WRITE_PIPE             1053
 
 
 ///////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////
 // RTMP protocol error.
 // RTMP protocol error.

@@ -92,8 +92,6 @@ file
 	..\app\srs_app_kbps.cpp,
 	..\app\srs_app_kbps.cpp,
 	..\app\srs_app_log.hpp,
 	..\app\srs_app_log.hpp,
 	..\app\srs_app_log.cpp,
 	..\app\srs_app_log.cpp,
-	..\app\srs_app_pipe.hpp,
-	..\app\srs_app_pipe.cpp,
 	..\app\srs_app_refer.hpp,
 	..\app\srs_app_refer.hpp,
 	..\app\srs_app_refer.cpp,
 	..\app\srs_app_refer.cpp,
 	..\app\srs_app_reload.hpp,
 	..\app\srs_app_reload.hpp,