/* 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_core.hpp> #include <stdlib.h> #include <sys/types.h> #include <sys/wait.h> #ifdef SRS_AUTO_GPERF_MP #include <gperftools/heap-profiler.h> #endif #ifdef SRS_AUTO_GPERF_CP #include <gperftools/profiler.h> #endif #include <srs_kernel_error.hpp> #include <srs_app_server.hpp> #include <srs_app_config.hpp> #include <srs_app_log.hpp> #include <srs_kernel_utility.hpp> // pre-declare int run(); int run_master(); // for the main objects(server, config, log, context), // never subscribe handler in constructor, // instead, subscribe handler in initialize method. // kernel module. ISrsLog* _srs_log = new SrsFastLog(); ISrsThreadContext* _srs_context = new SrsThreadContext(); // app module. SrsConfig* _srs_config = new SrsConfig(); SrsServer* _srs_server = new SrsServer(); /** * show the features by macro, the actual macro values. */ void show_macro_features() { #ifdef SRS_AUTO_SSL srs_trace("check feature rtmp handshake: on"); #else srs_warn("check feature rtmp handshake: off"); #endif #ifdef SRS_AUTO_HLS srs_trace("check feature hls: on"); #else srs_warn("check feature hls: off"); #endif #ifdef SRS_AUTO_HTTP_CALLBACK srs_trace("check feature http callback: on"); #else srs_warn("check feature http callback: off"); #endif #ifdef SRS_AUTO_HTTP_API srs_trace("check feature http api: on"); #else srs_warn("check feature http api: off"); #endif #ifdef SRS_AUTO_HTTP_SERVER srs_trace("check feature http server: on"); #else srs_warn("check feature http server: off"); #endif #ifdef SRS_AUTO_HTTP_PARSER srs_trace("check feature http parser: on"); #else srs_warn("check feature http parser: off"); #endif #ifdef SRS_AUTO_DVR srs_trace("check feature dvr: on"); #else srs_warn("check feature dvr: off"); #endif #ifdef SRS_AUTO_TRANSCODE srs_trace("check feature transcode: on"); #else srs_warn("check feature transcode: off"); #endif #ifdef SRS_AUTO_INGEST srs_trace("check feature ingest: on"); #else srs_warn("check feature ingest: off"); #endif #ifdef SRS_AUTO_STAT srs_trace("check feature system stat: on"); #else srs_warn("check feature system stat: off"); #endif #ifdef SRS_AUTO_NGINX srs_trace("check feature compile nginx: on"); #else srs_warn("check feature compile nginx: off"); #endif #ifdef SRS_AUTO_FFMPEG_TOOL srs_trace("check feature compile ffmpeg: on"); #else srs_warn("check feature compile ffmpeg: off"); #endif } void check_macro_features() { // for special features. #ifdef SRS_AUTO_HTTP_SERVER srs_warn("http server is dev feature, @see %s", RTMP_SIG_SRS_HTTP_SERVER); #endif #if VERSION_MAJOR > 1 #warning "using develop SRS, please use release instead." srs_warn("SRS %s is develop branch, please use %s instead", RTMP_SIG_SRS_VERSION, RTMP_SIG_SRS_RELEASE); #endif } /** * main entrance. */ int main(int argc, char** argv) { int ret = ERROR_SUCCESS; // TODO: support both little and big endian. srs_assert(srs_is_little_endian()); // for gperf gmp or gcp, // should never enable it when not enabled for performance issue. #ifdef SRS_AUTO_GPERF_MP HeapProfilerStart("gperf.srs.gmp"); #endif #ifdef SRS_AUTO_GPERF_CP ProfilerStart("gperf.srs.gcp"); #endif // directly compile error when these two macro defines. #if defined(SRS_AUTO_GPERF_MC) && defined(SRS_AUTO_GPERF_MP) #error ("option --with-gmc confict with --with-gmp, " "@see: http://google-perftools.googlecode.com/svn/trunk/doc/heap_checker.html\n" "Note that since the heap-checker uses the heap-profiling framework internally, " "it is not possible to run both the heap-checker and heap profiler at the same time"); #endif // never use srs log(srs_trace, srs_error, etc) before config parse the option, // which will load the log config and apply it. if ((ret = _srs_config->parse_options(argc, argv)) != ERROR_SUCCESS) { return ret; } // config parsed, initialize log. if ((ret = _srs_log->initialize()) != ERROR_SUCCESS) { return ret; } // we check the config when the log initialized. if ((ret = _srs_config->check_config()) != ERROR_SUCCESS) { return ret; } srs_trace("srs(simple-rtmp-server) "RTMP_SIG_SRS_VERSION); srs_trace("license: "RTMP_SIG_SRS_LICENSE); srs_trace("primary: "RTMP_SIG_SRS_PRIMARY); srs_trace("authors: "RTMP_SIG_SRS_AUTHROS); srs_trace("contributors: "SRS_AUTO_CONSTRIBUTORS); srs_trace("uname: "SRS_AUTO_UNAME); srs_trace("build: %s, %s", SRS_AUTO_BUILD_DATE, srs_is_little_endian()? "little-endian":"big-endian"); srs_trace("configure: "SRS_AUTO_USER_CONFIGURE); srs_trace("features: "SRS_AUTO_CONFIGURE); #ifdef SRS_AUTO_ARM_UBUNTU12 srs_trace("arm tool chain: "SRS_AUTO_EMBEDED_TOOL_CHAIN); #endif srs_trace("conf: %s, limit: %d", _srs_config->config().c_str(), _srs_config->get_max_connections()); // features show_macro_features(); check_macro_features(); /** * we do nothing in the constructor of server, * and use initialize to create members, set hooks for instance the reload handler, * all initialize will done in this stage. */ if ((ret = _srs_server->initialize()) != ERROR_SUCCESS) { return ret; } return run(); } int run() { // if not deamon, directly run master. if (!_srs_config->get_deamon()) { return run_master(); } srs_trace("start deamon mode..."); int pid = fork(); if(pid < 0) { srs_error("create process error. ret=-1"); //ret=0 return -1; } // grandpa if(pid > 0) { int status = 0; if(waitpid(pid, &status, 0) == -1) { srs_error("wait child process error! ret=-1"); //ret=0 } srs_trace("grandpa process exit."); exit(0); } // father pid = fork(); if(pid < 0) { srs_error("create process error. ret=0"); return -1; } if(pid > 0) { srs_trace("father process exit. ret=0"); exit(0); } // son srs_trace("son(deamon) process running."); return run_master(); } int run_master() { int ret = ERROR_SUCCESS; if ((ret = _srs_server->initialize_signal()) != ERROR_SUCCESS) { return ret; } if ((ret = _srs_server->acquire_pid_file()) != ERROR_SUCCESS) { return ret; } if ((ret = _srs_server->initialize_st()) != ERROR_SUCCESS) { return ret; } if ((ret = _srs_server->listen()) != ERROR_SUCCESS) { return ret; } if ((ret = _srs_server->register_signal()) != ERROR_SUCCESS) { return ret; } if ((ret = _srs_server->ingest()) != ERROR_SUCCESS) { return ret; } if ((ret = _srs_server->cycle()) != ERROR_SUCCESS) { return ret; } return 0; }