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* * |
* * |
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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2007 Christian Schoenebeck * |
* Copyright (C) 2005-2009 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#include <getopt.h> |
#include <getopt.h> |
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#include <signal.h> |
#include <signal.h> |
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#if defined(WIN32) |
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// require at least Windows 2000 for the GlobalMemoryStatusEx() call |
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#if _WIN32_WINNT < 0x0500 |
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#ifdef _WIN32_WINNT |
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#undef _WIN32_WINNT |
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#endif |
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#define _WIN32_WINNT 0x0500 |
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#endif |
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#endif |
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#include "Sampler.h" |
#include "Sampler.h" |
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#include "common/global_private.h" |
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#include "engines/EngineFactory.h" |
#include "engines/EngineFactory.h" |
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#include "plugins/InstrumentEditorFactory.h" |
#include "plugins/InstrumentEditorFactory.h" |
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#include "drivers/midi/MidiInputDeviceFactory.h" |
#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "network/lscpserver.h" |
#include "network/lscpserver.h" |
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#include "common/stacktrace.h" |
#include "common/stacktrace.h" |
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#include "common/Features.h" |
#include "common/Features.h" |
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#include "common/atomic.h" |
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using namespace LinuxSampler; |
using namespace LinuxSampler; |
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Sampler* pSampler = NULL; |
Sampler* pSampler = NULL; |
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LSCPServer* pLSCPServer = NULL; |
LSCPServer* pLSCPServer = NULL; |
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pthread_t main_thread; |
#if defined(WIN32) |
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// inet_aton seems missing under WIN32 |
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#ifndef INADDR_NONE |
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#define INADDR_NONE 0xffffffff |
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#endif |
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int inet_aton(const char *cp, struct in_addr *addr) |
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{ |
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addr->s_addr = inet_addr(cp); |
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return (addr->s_addr == INADDR_NONE) ? 0 : 1; |
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} |
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#else |
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pid_t main_pid; |
pid_t main_pid; |
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#endif |
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bool bPrintStatistics = false; |
bool bPrintStatistics = false; |
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bool profile = false; |
bool profile = false; |
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bool tune = true; |
bool tune = true; |
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static bool bShowStackTrace = false; |
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unsigned long int lscp_addr; |
unsigned long int lscp_addr; |
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unsigned short int lscp_port; |
unsigned short int lscp_port; |
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|
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void parse_options(int argc, char **argv); |
void parse_options(int argc, char **argv); |
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void signal_handler(int signal); |
void signal_handler(int signal); |
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void kill_app(); |
void kill_app(); |
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static atomic_t running = ATOMIC_INIT(1); |
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int main(int argc, char **argv) { |
int main(int argc, char **argv) { |
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// initialize the stack trace mechanism with our binary file |
lscp_addr = htonl(LSCP_ADDR); |
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StackTraceInit(argv[0], -1); |
lscp_port = htons(LSCP_PORT); |
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#if !defined(WIN32) |
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main_pid = getpid(); |
main_pid = getpid(); |
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main_thread = pthread_self(); |
#endif |
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|
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// parse and assign command line options |
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parse_options(argc, argv); |
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// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
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signal(SIGINT, signal_handler); |
signal(SIGINT, signal_handler); |
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|
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// register signal handler for all unusual signals |
// initialize the stack trace mechanism with our binary file |
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// (we will print the stack trace and exit) |
// (if requested by command line option) |
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struct sigaction sact; |
if (bShowStackTrace) { |
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sigemptyset(&sact.sa_mask); |
#if defined(WIN32) |
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sact.sa_flags = 0; |
// FIXME: sigaction() not supported on WIN32, we ignore it for now |
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sact.sa_handler = signal_handler; |
#else |
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sigaction(SIGSEGV, &sact, NULL); |
StackTraceInit(argv[0], -1); |
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sigaction(SIGBUS, &sact, NULL); |
// register signal handler for all unusual signals |
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sigaction(SIGILL, &sact, NULL); |
// (we will print the stack trace and exit) |
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sigaction(SIGFPE, &sact, NULL); |
struct sigaction sact; |
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sigaction(SIGUSR1, &sact, NULL); |
sigemptyset(&sact.sa_mask); |
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sigaction(SIGUSR2, &sact, NULL); |
sact.sa_flags = 0; |
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sact.sa_handler = signal_handler; |
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lscp_addr = htonl(LSCP_ADDR); |
sigaction(SIGSEGV, &sact, NULL); |
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lscp_port = htons(LSCP_PORT); |
sigaction(SIGBUS, &sact, NULL); |
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sigaction(SIGILL, &sact, NULL); |
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// parse and assign command line options |
sigaction(SIGFPE, &sact, NULL); |
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parse_options(argc, argv); |
sigaction(SIGUSR1, &sact, NULL); |
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sigaction(SIGUSR2, &sact, NULL); |
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#endif |
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} |
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dmsg(1,("LinuxSampler %s\n", VERSION)); |
dmsg(1,("LinuxSampler %s\n", VERSION)); |
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dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); |
dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); |
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dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n")); |
dmsg(1,("Copyright (C) 2005-2009 Christian Schoenebeck\n")); |
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#if defined(WIN32) |
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#if 0 |
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// some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes) |
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SYSTEM_INFO siSysInfo; |
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long physical_memory; |
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GetSystemInfo(&siSysInfo); |
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dmsg(2,("page size=%d\n", siSysInfo.dwPageSize)); |
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MEMORYSTATUSEX statex; |
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statex.dwLength = sizeof (statex); |
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GlobalMemoryStatusEx (&statex); |
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dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n", |
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8, statex.ullTotalPhys)); |
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dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n", |
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8, statex.ullAvailPhys)); |
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physical_memory = statex.ullTotalPhys; |
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HANDLE hProcess = GetCurrentProcess(); |
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unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize; |
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unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize; |
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unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize; |
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int res; |
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res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize); |
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RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024; |
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RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize; |
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for(;;) { |
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dmsg(2,("TRYING VALUES RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); |
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res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize); |
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dmsg(2,("AFTER SET: res = %d RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); |
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res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize); |
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dmsg(2,("AFTER GET: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); |
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if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) { |
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dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n")); |
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break; |
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} |
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RequestedMinimumWorkingSetSize -= 10*1024*1024; |
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if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break; |
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} |
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dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); |
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#endif |
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#endif // WIN32 |
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if (tune) { |
if (tune) { |
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// detect and print system / CPU specific features |
// detect and print system / CPU specific features |
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Features::enableDenormalsAreZeroMode(); |
Features::enableDenormalsAreZeroMode(); |
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} |
} |
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dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off")); |
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// create LinuxSampler instance |
// create LinuxSampler instance |
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dmsg(1,("Creating Sampler...")); |
dmsg(1,("Creating Sampler...")); |
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pSampler = new Sampler; |
pSampler = new Sampler; |
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printf("LinuxSampler initialization completed. :-)\n\n"); |
printf("LinuxSampler initialization completed. :-)\n\n"); |
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std::list<LSCPEvent::event_t> rtEvents; |
while (atomic_read(&running)) { |
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rtEvents.push_back(LSCPEvent::event_voice_count); |
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rtEvents.push_back(LSCPEvent::event_stream_count); |
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rtEvents.push_back(LSCPEvent::event_buffer_fill); |
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rtEvents.push_back(LSCPEvent::event_total_voice_count); |
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while (true) { |
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if (bPrintStatistics) { |
if (bPrintStatistics) { |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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std::set<Engine*>::iterator itEngine = engines.begin(); |
std::set<Engine*>::iterator itEngine = engines.begin(); |
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} |
} |
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} |
} |
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sleep(1); |
sleep(1); |
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if (profile) |
if (profile) |
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{ |
{ |
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unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
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unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
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if (bv != 0) |
if (bv != 0) |
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{ |
{ |
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printf(" BogoVoices: %i \r", bv); |
printf(" BogoVoices: %i \r", bv); |
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fflush(stdout); |
fflush(stdout); |
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} |
} |
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} |
} |
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if (LSCPServer::EventSubscribers(rtEvents)) |
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{ |
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LSCPServer::LockRTNotify(); |
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std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
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std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
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for (; iter != channels.end(); iter++) { |
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SamplerChannel* pSamplerChannel = iter->second; |
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EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
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if (!pEngineChannel) continue; |
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Engine* pEngine = pEngineChannel->GetEngine(); |
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if (!pEngine) continue; |
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pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount()); |
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pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount()); |
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pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); |
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pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount()); |
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} |
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LSCPServer::UnlockRTNotify(); |
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} |
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pSampler->fireStatistics(); |
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} |
} |
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if (pLSCPServer) pLSCPServer->StopThread(); |
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// the delete order here is important: the Sampler |
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// destructor sends notifications to the lscpserver |
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if (pSampler) delete pSampler; |
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if (pLSCPServer) delete pLSCPServer; |
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printf("LinuxSampler stopped due to SIGINT.\n"); |
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return EXIT_SUCCESS; |
return EXIT_SUCCESS; |
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} |
} |
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void signal_handler(int iSignal) { |
void signal_handler(int iSignal) { |
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switch (iSignal) { |
switch (iSignal) { |
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case SIGINT: { |
case SIGINT: |
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if (pthread_equal(pthread_self(), main_thread)) { |
atomic_set(&running, 0); |
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if (pLSCPServer) pLSCPServer->StopThread(); |
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// the delete order here is important: the Sampler |
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// destructor sends notifications to the lscpserver |
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if (pSampler) delete pSampler; |
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if (pLSCPServer) delete pLSCPServer; |
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#if HAVE_SQLITE3 |
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InstrumentsDb::Destroy(); |
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#endif |
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printf("LinuxSampler stopped due to SIGINT.\n"); |
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exit(EXIT_SUCCESS); |
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} |
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return; |
return; |
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} |
#if defined(WIN32) |
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// FIXME: under WIN32 we ignore the signals below due to the missing sigaction call |
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#else |
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case SIGSEGV: |
case SIGSEGV: |
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std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
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break; |
break; |
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case SIGUSR2: |
case SIGUSR2: |
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std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
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break; |
break; |
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#endif |
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default: { // this should never happen, as we register for the signals we want |
default: { // this should never happen, as we register for the signals we want |
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std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
277 |
break; |
break; |
278 |
} |
} |
279 |
} |
} |
280 |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
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std::cerr << "Showing stack trace...\n" << std::flush; |
if (bShowStackTrace) { |
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StackTrace(); |
std::cerr << "Showing stack trace...\n" << std::flush; |
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sleep(2); |
StackTrace(); |
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sleep(2); |
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} |
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std::cerr << "Killing LinuxSampler...\n" << std::flush; |
std::cerr << "Killing LinuxSampler...\n" << std::flush; |
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kill_app(); // Use abort() if we want to generate a core dump. |
kill_app(); // Use abort() if we want to generate a core dump. |
288 |
} |
} |
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void kill_app() { |
void kill_app() { |
291 |
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#if defined(WIN32) |
292 |
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// FIXME: do we need to do anything at this point under WIN32 ? is exit(0) ok ? |
293 |
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exit(0); |
294 |
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#else |
295 |
kill(main_pid, SIGKILL); |
kill(main_pid, SIGKILL); |
296 |
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#endif |
297 |
} |
} |
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void parse_options(int argc, char **argv) { |
void parse_options(int argc, char **argv) { |
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{"create-instruments-db",1,0,0}, |
{"create-instruments-db",1,0,0}, |
311 |
{"lscp-addr",1,0,0}, |
{"lscp-addr",1,0,0}, |
312 |
{"lscp-port",1,0,0}, |
{"lscp-port",1,0,0}, |
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{"stacktrace",0,0,0}, |
314 |
{0,0,0,0} |
{0,0,0,0} |
315 |
}; |
}; |
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334 |
printf("--lscp-port set LSCP port (default: 8888)\n"); |
printf("--lscp-port set LSCP port (default: 8888)\n"); |
335 |
printf("--create-instruments-db creates an instruments DB\n"); |
printf("--create-instruments-db creates an instruments DB\n"); |
336 |
printf("--instruments-db-location specifies the instruments DB file\n"); |
printf("--instruments-db-location specifies the instruments DB file\n"); |
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printf("--stacktrace automatically shows stacktrace if crashes\n"); |
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printf(" (broken on most systems at the moment)\n"); |
339 |
exit(EXIT_SUCCESS); |
exit(EXIT_SUCCESS); |
340 |
break; |
break; |
341 |
case 1: // --version |
case 1: // --version |
390 |
if (optarg) { |
if (optarg) { |
391 |
std::cout << "Creating instruments database..." << std::endl; |
std::cout << "Creating instruments database..." << std::endl; |
392 |
InstrumentsDb::CreateInstrumentsDb(String(optarg)); |
InstrumentsDb::CreateInstrumentsDb(String(optarg)); |
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InstrumentsDb::Destroy(); |
|
393 |
std::cout << "Done" << std::endl; |
std::cout << "Done" << std::endl; |
394 |
} |
} |
395 |
} catch(Exception e) { |
} catch(Exception e) { |
406 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
407 |
return; |
return; |
408 |
#endif |
#endif |
409 |
case 7: // --lscp-addr |
case 7: { // --lscp-addr |
410 |
struct in_addr addr; |
struct in_addr addr; |
411 |
if (inet_aton(optarg, &addr) == 0) |
if (inet_aton(optarg, &addr) == 0) |
412 |
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
413 |
else |
else |
414 |
lscp_addr = addr.s_addr; |
lscp_addr = addr.s_addr; |
415 |
break; |
break; |
416 |
case 8: // --lscp-port |
} |
417 |
|
case 8: {// --lscp-port |
418 |
long unsigned int port = 0; |
long unsigned int port = 0; |
419 |
if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
420 |
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
421 |
else |
else |
422 |
lscp_port = htons(port); |
lscp_port = htons(port); |
423 |
break; |
break; |
424 |
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} |
425 |
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case 9: // --stacktrace |
426 |
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bShowStackTrace = true; |
427 |
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break; |
428 |
} |
} |
429 |
} |
} |
430 |
} |
} |