Revert "add srs pipe for bug #194"

This reverts commit f9756ea1.

@@ -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

-/*
-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;
-}
-
-bool SrsPipe::already_written()
-{
-    return _already_written;
-}
-
-int SrsPipe::active()
-{
-    int ret = ERROR_SUCCESS;
-    
-    int v = 0;
-    if (st_write(read_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();
-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
-

@@ -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,