--- linuxsampler/trunk/src/linuxsampler.cpp 2007/06/22 10:10:06 1248 +++ linuxsampler/trunk/src/linuxsampler.cpp 2017/10/12 14:44:14 3354 @@ -2,8 +2,8 @@ * * * LinuxSampler - modular, streaming capable sampler * * * - * Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * - * Copyright (C) 2005-2007 Christian Schoenebeck * + * Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * + * Copyright (C) 2005-2017 Christian Schoenebeck * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -23,66 +23,158 @@ #include #include +#include + +#if defined(WIN32) +// require at least Windows 2000 for the GlobalMemoryStatusEx() call +#if _WIN32_WINNT < 0x0500 +#ifdef _WIN32_WINNT +#undef _WIN32_WINNT +#endif +#define _WIN32_WINNT 0x0500 +#endif +#endif #include "Sampler.h" +#include "common/global_private.h" #include "engines/EngineFactory.h" -#include "engines/InstrumentEditorFactory.h" +#include "plugins/InstrumentEditorFactory.h" #include "drivers/midi/MidiInputDeviceFactory.h" #include "drivers/audio/AudioOutputDeviceFactory.h" +#include "effects/EffectFactory.h" #include "engines/gig/Profiler.h" #include "network/lscpserver.h" #include "common/stacktrace.h" #include "common/Features.h" +#include "common/atomic.h" using namespace LinuxSampler; Sampler* pSampler = NULL; LSCPServer* pLSCPServer = NULL; -pthread_t main_thread; +#if defined(WIN32) +// inet_aton seems missing under WIN32 +#ifndef INADDR_NONE +#define INADDR_NONE 0xffffffff +#endif + +typedef unsigned long in_addr_t; + +int inet_aton(const char *cp, struct in_addr *addr) +{ + addr->s_addr = inet_addr(cp); + return (addr->s_addr == INADDR_NONE) ? 0 : 1; +} + +#else pid_t main_pid; +#endif bool bPrintStatistics = false; bool profile = false; bool tune = true; +static bool bShowStackTrace = false; unsigned long int lscp_addr; unsigned short int lscp_port; +String ExecAfterInit; void parse_options(int argc, char **argv); void signal_handler(int signal); void kill_app(); +static atomic_t running = ATOMIC_INIT(1); int main(int argc, char **argv) { - // initialize the stack trace mechanism with our binary file - StackTraceInit(argv[0], -1); + lscp_addr = htonl(LSCP_ADDR); + lscp_port = htons(LSCP_PORT); + #if !defined(WIN32) main_pid = getpid(); - main_thread = pthread_self(); + #endif + + // parse and assign command line options + parse_options(argc, argv); // setting signal handler for catching SIGINT (thus e.g. ) signal(SIGINT, signal_handler); - // register signal handler for all unusual signals - // (we will print the stack trace and exit) - struct sigaction sact; - sigemptyset(&sact.sa_mask); - sact.sa_flags = 0; - sact.sa_handler = signal_handler; - sigaction(SIGSEGV, &sact, NULL); - sigaction(SIGBUS, &sact, NULL); - sigaction(SIGILL, &sact, NULL); - sigaction(SIGFPE, &sact, NULL); - sigaction(SIGUSR1, &sact, NULL); - sigaction(SIGUSR2, &sact, NULL); - - lscp_addr = htonl(LSCP_ADDR); - lscp_port = htons(LSCP_PORT); - - // parse and assign command line options - parse_options(argc, argv); + // initialize the stack trace mechanism with our binary file + // (if requested by command line option) + if (bShowStackTrace) { + #if defined(WIN32) + // FIXME: sigaction() not supported on WIN32, we ignore it for now + #elif AC_APPLE_UNIVERSAL_BUILD + // not used for Xcode + #else + StackTraceInit(argv[0], -1); + // register signal handler for all unusual signals + // (we will print the stack trace and exit) + struct sigaction sact; + sigemptyset(&sact.sa_mask); + sact.sa_flags = 0; + sact.sa_handler = signal_handler; + sigaction(SIGSEGV, &sact, NULL); + sigaction(SIGBUS, &sact, NULL); + sigaction(SIGILL, &sact, NULL); + sigaction(SIGFPE, &sact, NULL); + sigaction(SIGUSR1, &sact, NULL); + sigaction(SIGUSR2, &sact, NULL); + #endif + } dmsg(1,("LinuxSampler %s\n", VERSION)); dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); - dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n")); + dmsg(1,("Copyright (C) 2005-2017 Christian Schoenebeck\n")); + dmsg(1,("Binary built: " __DATE__ "\n")) + + #if defined(WIN32) + #if 0 + // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes) + SYSTEM_INFO siSysInfo; + long physical_memory; + GetSystemInfo(&siSysInfo); + dmsg(2,("page size=%d\n", siSysInfo.dwPageSize)); + + MEMORYSTATUSEX statex; + statex.dwLength = sizeof (statex); + GlobalMemoryStatusEx (&statex); + dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n", + 8, statex.ullTotalPhys)); + dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n", + 8, statex.ullAvailPhys)); + physical_memory = statex.ullTotalPhys; + + HANDLE hProcess = GetCurrentProcess(); + + unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize; + unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize; + unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize; + int res; + + res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize); + + RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024; + RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize; + + for(;;) { + dmsg(2,("TRYING VALUES RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); + res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize); + dmsg(2,("AFTER SET: res = %d RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); + + res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize); + dmsg(2,("AFTER GET: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); + + if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) { + dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n")); + break; + } + + RequestedMinimumWorkingSetSize -= 10*1024*1024; + if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break; + } + + dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); + #endif + #endif // WIN32 if (tune) { // detect and print system / CPU specific features @@ -92,6 +184,8 @@ Features::enableDenormalsAreZeroMode(); } + dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off")); + // create LinuxSampler instance dmsg(1,("Creating Sampler...")); pSampler = new Sampler; @@ -101,10 +195,12 @@ dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str())); + dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str())); + dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount())); // start LSCP network server struct in_addr addr; - addr.s_addr = lscp_addr; + addr.s_addr = (in_addr_t)lscp_addr; dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port))); pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port); pLSCPServer->StartThread(); @@ -121,14 +217,20 @@ } printf("LinuxSampler initialization completed. :-)\n\n"); + + if (ExecAfterInit != "") { + printf("Executing command: %s\n\n", ExecAfterInit.c_str()); + if (system(ExecAfterInit.c_str()) == -1) { + std::cerr << "Failed to execute the command" << std::endl; + } + } - std::list rtEvents; - rtEvents.push_back(LSCPEvent::event_voice_count); - rtEvents.push_back(LSCPEvent::event_stream_count); - rtEvents.push_back(LSCPEvent::event_buffer_fill); - rtEvents.push_back(LSCPEvent::event_total_voice_count); +//TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details) +#if defined(__APPLE__) + g_mainThreadCallbackSupported = true; +#endif - while (true) { + while (atomic_read(&running)) { if (bPrintStatistics) { const std::set& engines = EngineFactory::EngineInstances(); std::set::iterator itEngine = engines.begin(); @@ -142,59 +244,52 @@ } } - sleep(1); - if (profile) - { - unsigned int samplingFreq = 48000; //FIXME: hardcoded for now - unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); - if (bv != 0) - { - printf(" BogoVoices: %i \r", bv); - fflush(stdout); - } - } - - if (LSCPServer::EventSubscribers(rtEvents)) - { - LSCPServer::LockRTNotify(); - std::map channels = pSampler->GetSamplerChannels(); - std::map::iterator iter = channels.begin(); - for (; iter != channels.end(); iter++) { - SamplerChannel* pSamplerChannel = iter->second; - EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); - if (!pEngineChannel) continue; - Engine* pEngine = pEngineChannel->GetEngine(); - if (!pEngine) continue; - pSampler->fireVoiceCountChanged(iter->first, pEngine->VoiceCount()); - pSampler->fireStreamCountChanged(iter->first, pEngine->DiskStreamCount()); - pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); - pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount()); - } - LSCPServer::UnlockRTNotify(); - } + sleep(1); + if (profile) + { + unsigned int samplingFreq = 48000; //FIXME: hardcoded for now + unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); + if (bv != 0) + { + printf(" BogoVoices: %i \r", bv); + fflush(stdout); + } + } + pSampler->fireStatistics(); + + //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details) + #if defined(__APPLE__) + if (g_fireMainThreadCallback && g_mainThreadCallback) { + void (*fn)(void* info) = g_mainThreadCallback; + void* info = g_mainThreadCallbackInfo; + g_mainThreadCallbackInfo = NULL; + g_mainThreadCallback = NULL; + g_fireMainThreadCallback = false; + printf("Received main thread callback, calling now ...\n"); fflush(stdout); + (*fn)(info); + printf("Main thread callback executed.\n"); fflush(stdout); + } + #endif } - +//#endif + if (pLSCPServer) pLSCPServer->StopThread(); + // the delete order here is important: the Sampler + // destructor sends notifications to the lscpserver + if (pSampler) delete pSampler; + if (pLSCPServer) delete pLSCPServer; + printf("LinuxSampler stopped due to SIGINT.\n"); return EXIT_SUCCESS; } void signal_handler(int iSignal) { switch (iSignal) { - case SIGINT: { - if (pthread_equal(pthread_self(), main_thread)) { - if (pLSCPServer) pLSCPServer->StopThread(); - // the delete order here is important: the Sampler - // destructor sends notifications to the lscpserver - if (pSampler) delete pSampler; - if (pLSCPServer) delete pLSCPServer; -#if HAVE_SQLITE3 - InstrumentsDb::Destroy(); -#endif - printf("LinuxSampler stopped due to SIGINT.\n"); - exit(EXIT_SUCCESS); - } + case SIGINT: + atomic_set(&running, 0); return; - } + #if defined(WIN32) + // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call + #else case SIGSEGV: std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; break; @@ -213,21 +308,31 @@ case SIGUSR2: std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; break; + #endif default: { // this should never happen, as we register for the signals we want std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; break; } } signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions - std::cerr << "Showing stack trace...\n" << std::flush; - StackTrace(); - sleep(2); + if (bShowStackTrace) { + std::cerr << "Showing stack trace...\n" << std::flush; + #if !AC_APPLE_UNIVERSAL_BUILD + StackTrace(); + #endif + sleep(2); + } std::cerr << "Killing LinuxSampler...\n" << std::flush; kill_app(); // Use abort() if we want to generate a core dump. } void kill_app() { + #if defined(WIN32) + // FIXME: do we need to do anything at this point under WIN32 ? is exit(0) ok ? + exit(0); + #else kill(main_pid, SIGKILL); + #endif } void parse_options(int argc, char **argv) { @@ -235,15 +340,17 @@ int option_index = 0; static struct option long_options[] = { - {"help",0,0,0}, - {"version",0,0,0}, - {"profile",0,0,0}, - {"no-tune",0,0,0}, - {"statistics",0,0,0}, - {"instruments-db-location",1,0,0}, - {"create-instruments-db",1,0,0}, - {"lscp-addr",1,0,0}, - {"lscp-port",1,0,0}, + {"help",no_argument,0,0}, + {"version",no_argument,0,0}, + {"profile",no_argument,0,0}, + {"no-tune",no_argument,0,0}, + {"statistics",no_argument,0,0}, + {"instruments-db-location",required_argument,0,0}, + {"create-instruments-db",optional_argument,0,0}, + {"lscp-addr",required_argument,0,0}, + {"lscp-port",required_argument,0,0}, + {"stacktrace",no_argument,0,0}, + {"exec-after-init",required_argument,0,0}, {0,0,0,0} }; @@ -267,6 +374,9 @@ printf("--lscp-port set LSCP port (default: 8888)\n"); printf("--create-instruments-db creates an instruments DB\n"); printf("--instruments-db-location specifies the instruments DB file\n"); + printf("--stacktrace automatically shows stacktrace if crashes\n"); + printf(" (broken on most systems at the moment)\n"); + printf("--exec-after-init executes a command after initialization\n"); exit(EXIT_SUCCESS); break; case 1: // --version @@ -275,6 +385,9 @@ break; case 2: // --profile profile = true; + //FIXME: profiling code is currently broken! + std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!" << std::endl; + exit(EXIT_FAILURE); break; case 3: // --no-tune tune = false; @@ -291,7 +404,7 @@ if (res) { std::stringstream ss; - ss << "Fail to stat `" << optarg << "`: " << strerror(errno); + ss << "Failed to stat `" << optarg << "`: " << strerror(errno); throw Exception(ss.str()); } @@ -304,25 +417,28 @@ InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg)); } } catch(Exception e) { - std::cerr << e.Message() << std::endl << std::endl; - return; + std::cerr << "Could not open instruments DB file: " + << e.Message() << std::endl; + exit(EXIT_FAILURE); } - - return; + break; #else std::cerr << "LinuxSampler was not build with "; - std::cerr << "instruments database support." <CreateInstrumentsDb(String(optarg)); + else if (argv[optind] && argv[optind][0] != '-') // workaround: glibc actually expects form --foo=value for all optional arguments ... + InstrumentsDb::GetInstrumentsDb()->CreateInstrumentsDb(String(argv[optind++])); + else + InstrumentsDb::GetInstrumentsDb()->CreateInstrumentsDb(); // use default instruments db location + std::cout << "Done" << std::endl; } catch(Exception e) { std::cerr << e.Message() << std::endl; exit(EXIT_FAILURE); @@ -333,24 +449,32 @@ return; #else std::cerr << "Failed to create the database. LinuxSampler was "; - std::cerr << "not build with instruments database support." < 65535)) + if ((sscanf(optarg, "%lu", &port) != 1) || (port == 0) || (port > 65535)) printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); else lscp_port = htons(port); break; + } + case 9: // --stacktrace + bShowStackTrace = true; + break; + case 10: // --exec-after-init + ExecAfterInit = optarg; + break; } } }