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/*************************************************************************** |
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* * |
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* LinuxSampler - modular, streaming capable sampler * |
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* * |
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* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005-2016 Christian Schoenebeck * |
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* * |
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* 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 * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License for more details. * |
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* * |
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* You should have received a copy of the GNU General Public License * |
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* along with this program; if not, write to the Free Software * |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
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* MA 02111-1307 USA * |
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***************************************************************************/ |
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|
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#include <getopt.h> |
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#include <signal.h> |
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#include <sys/stat.h> |
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|
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#if defined(WIN32) |
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// require at least Windows 2000 for the GlobalMemoryStatusEx() call |
| 30 |
#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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|
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#include "Sampler.h" |
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#include "common/global_private.h" |
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#include "engines/EngineFactory.h" |
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#include "plugins/InstrumentEditorFactory.h" |
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#include "drivers/midi/MidiInputDeviceFactory.h" |
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#include "drivers/audio/AudioOutputDeviceFactory.h" |
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#include "effects/EffectFactory.h" |
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#include "engines/gig/Profiler.h" |
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#include "network/lscpserver.h" |
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#include "common/stacktrace.h" |
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#include "common/Features.h" |
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#include "common/atomic.h" |
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|
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using namespace LinuxSampler; |
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|
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Sampler* pSampler = NULL; |
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LSCPServer* pLSCPServer = NULL; |
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#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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typedef unsigned long in_addr_t; |
| 60 |
#endif |
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|
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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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|
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#else |
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pid_t main_pid; |
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#endif |
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bool bPrintStatistics = false; |
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bool profile = false; |
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bool tune = true; |
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static bool bShowStackTrace = false; |
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unsigned long int lscp_addr; |
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unsigned short int lscp_port; |
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String ExecAfterInit; |
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|
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void parse_options(int argc, char **argv); |
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void signal_handler(int signal); |
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void kill_app(); |
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static atomic_t running = ATOMIC_INIT(1); |
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|
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int main(int argc, char **argv) { |
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|
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lscp_addr = htonl(LSCP_ADDR); |
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lscp_port = htons(LSCP_PORT); |
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|
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#if !defined(WIN32) |
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main_pid = getpid(); |
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#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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|
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// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
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signal(SIGINT, signal_handler); |
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|
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// initialize the stack trace mechanism with our binary file |
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// (if requested by command line option) |
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if (bShowStackTrace) { |
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#if defined(WIN32) |
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// FIXME: sigaction() not supported on WIN32, we ignore it for now |
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#elif AC_APPLE_UNIVERSAL_BUILD |
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// not used for Xcode |
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#else |
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StackTraceInit(argv[0], -1); |
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// register signal handler for all unusual signals |
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// (we will print the stack trace and exit) |
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struct sigaction sact; |
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sigemptyset(&sact.sa_mask); |
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sact.sa_flags = 0; |
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sact.sa_handler = signal_handler; |
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sigaction(SIGSEGV, &sact, NULL); |
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sigaction(SIGBUS, &sact, NULL); |
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sigaction(SIGILL, &sact, NULL); |
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sigaction(SIGFPE, &sact, NULL); |
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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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|
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dmsg(1,("LinuxSampler %s\n", VERSION)); |
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dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); |
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dmsg(1,("Copyright (C) 2005-2016 Christian Schoenebeck\n")); |
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dmsg(1,("Binary built: " __DATE__ "\n")) |
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|
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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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|
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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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|
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HANDLE hProcess = GetCurrentProcess(); |
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|
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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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|
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res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize); |
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|
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RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024; |
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RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize; |
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|
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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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|
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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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|
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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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|
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RequestedMinimumWorkingSetSize -= 10*1024*1024; |
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if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break; |
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} |
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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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|
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if (tune) { |
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// detect and print system / CPU specific features |
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Features::detect(); |
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dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str())); |
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// prevent slow denormal FPU modes |
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Features::enableDenormalsAreZeroMode(); |
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} |
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|
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dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off")); |
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|
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// create LinuxSampler instance |
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dmsg(1,("Creating Sampler...")); |
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pSampler = new Sampler; |
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dmsg(1,("OK\n")); |
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|
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dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str())); |
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dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); |
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dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
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dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str())); |
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dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str())); |
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dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount())); |
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|
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// start LSCP network server |
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struct in_addr addr; |
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addr.s_addr = (in_addr_t)lscp_addr; |
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dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port))); |
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pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port); |
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pLSCPServer->StartThread(); |
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pLSCPServer->WaitUntilInitialized(); |
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dmsg(1,("OK\n")); |
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|
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if (profile) |
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{ |
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dmsg(1,("Calibrating profiler...")); |
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LinuxSampler::gig::Profiler::Calibrate(); |
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LinuxSampler::gig::Profiler::Reset(); |
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LinuxSampler::gig::Profiler::enable(); |
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dmsg(1,("OK\n")); |
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} |
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|
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printf("LinuxSampler initialization completed. :-)\n\n"); |
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|
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if (ExecAfterInit != "") { |
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printf("Executing command: %s\n\n", ExecAfterInit.c_str()); |
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if (system(ExecAfterInit.c_str()) == -1) { |
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std::cerr << "Failed to execute the command" << std::endl; |
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} |
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} |
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|
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//TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details) |
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#if defined(__APPLE__) |
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g_mainThreadCallbackSupported = true; |
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#endif |
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|
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while (atomic_read(&running)) { |
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if (bPrintStatistics) { |
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const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
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std::set<Engine*>::iterator itEngine = engines.begin(); |
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for (int i = 0; itEngine != engines.end(); itEngine++, i++) { |
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Engine* pEngine = *itEngine; |
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printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i, |
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pEngine->VoiceCount(), pEngine->VoiceCountMax(), |
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pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax() |
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); |
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fflush(stdout); |
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} |
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} |
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|
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sleep(1); |
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if (profile) |
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{ |
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unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
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unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
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if (bv != 0) |
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{ |
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printf(" BogoVoices: %i \r", bv); |
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fflush(stdout); |
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} |
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} |
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|
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pSampler->fireStatistics(); |
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|
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//TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details) |
| 261 |
#if defined(__APPLE__) |
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if (g_fireMainThreadCallback && g_mainThreadCallback) { |
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void (*fn)(void* info) = g_mainThreadCallback; |
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void* info = g_mainThreadCallbackInfo; |
| 265 |
g_mainThreadCallbackInfo = NULL; |
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g_mainThreadCallback = NULL; |
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g_fireMainThreadCallback = false; |
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printf("Received main thread callback, calling now ...\n"); fflush(stdout); |
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(*fn)(info); |
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printf("Main thread callback executed.\n"); fflush(stdout); |
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} |
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#endif |
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} |
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//#endif |
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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 |
| 278 |
if (pSampler) delete pSampler; |
| 279 |
if (pLSCPServer) delete pLSCPServer; |
| 280 |
printf("LinuxSampler stopped due to SIGINT.\n"); |
| 281 |
return EXIT_SUCCESS; |
| 282 |
} |
| 283 |
|
| 284 |
void signal_handler(int iSignal) { |
| 285 |
switch (iSignal) { |
| 286 |
case SIGINT: |
| 287 |
atomic_set(&running, 0); |
| 288 |
return; |
| 289 |
#if defined(WIN32) |
| 290 |
// FIXME: under WIN32 we ignore the signals below due to the missing sigaction call |
| 291 |
#else |
| 292 |
case SIGSEGV: |
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std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
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break; |
| 295 |
case SIGBUS: |
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std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush; |
| 297 |
break; |
| 298 |
case SIGILL: |
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std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush; |
| 300 |
break; |
| 301 |
case SIGFPE: |
| 302 |
std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush; |
| 303 |
break; |
| 304 |
case SIGUSR1: |
| 305 |
std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush; |
| 306 |
break; |
| 307 |
case SIGUSR2: |
| 308 |
std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
| 309 |
break; |
| 310 |
#endif |
| 311 |
default: { // this should never happen, as we register for the signals we want |
| 312 |
std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
| 313 |
break; |
| 314 |
} |
| 315 |
} |
| 316 |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
| 317 |
if (bShowStackTrace) { |
| 318 |
std::cerr << "Showing stack trace...\n" << std::flush; |
| 319 |
#if !AC_APPLE_UNIVERSAL_BUILD |
| 320 |
StackTrace(); |
| 321 |
#endif |
| 322 |
sleep(2); |
| 323 |
} |
| 324 |
std::cerr << "Killing LinuxSampler...\n" << std::flush; |
| 325 |
kill_app(); // Use abort() if we want to generate a core dump. |
| 326 |
} |
| 327 |
|
| 328 |
void kill_app() { |
| 329 |
#if defined(WIN32) |
| 330 |
// FIXME: do we need to do anything at this point under WIN32 ? is exit(0) ok ? |
| 331 |
exit(0); |
| 332 |
#else |
| 333 |
kill(main_pid, SIGKILL); |
| 334 |
#endif |
| 335 |
} |
| 336 |
|
| 337 |
void parse_options(int argc, char **argv) { |
| 338 |
int res; |
| 339 |
int option_index = 0; |
| 340 |
static struct option long_options[] = |
| 341 |
{ |
| 342 |
{"help",0,0,0}, |
| 343 |
{"version",0,0,0}, |
| 344 |
{"profile",0,0,0}, |
| 345 |
{"no-tune",0,0,0}, |
| 346 |
{"statistics",0,0,0}, |
| 347 |
{"instruments-db-location",1,0,0}, |
| 348 |
{"create-instruments-db",1,0,0}, |
| 349 |
{"lscp-addr",1,0,0}, |
| 350 |
{"lscp-port",1,0,0}, |
| 351 |
{"stacktrace",0,0,0}, |
| 352 |
{"exec-after-init",1,0,0}, |
| 353 |
{0,0,0,0} |
| 354 |
}; |
| 355 |
|
| 356 |
while (true) { |
| 357 |
/* |
| 358 |
Stephane Letz : letz@grame.fr |
| 359 |
getopt_long_only does not exist on OSX : replaced by getopt_long for now. |
| 360 |
*/ |
| 361 |
res = getopt_long(argc, argv, "", long_options, &option_index); |
| 362 |
if(res == -1) break; |
| 363 |
if (res == 0) { |
| 364 |
switch(option_index) { |
| 365 |
case 0: // --help |
| 366 |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
| 367 |
printf("--help prints this message\n"); |
| 368 |
printf("--version prints version information\n"); |
| 369 |
printf("--profile profile synthesis algorithms\n"); |
| 370 |
printf("--no-tune disable assembly optimization\n"); |
| 371 |
printf("--statistics periodically prints statistics\n"); |
| 372 |
printf("--lscp-addr set LSCP address (default: any)\n"); |
| 373 |
printf("--lscp-port set LSCP port (default: 8888)\n"); |
| 374 |
printf("--create-instruments-db creates an instruments DB\n"); |
| 375 |
printf("--instruments-db-location specifies the instruments DB file\n"); |
| 376 |
printf("--stacktrace automatically shows stacktrace if crashes\n"); |
| 377 |
printf(" (broken on most systems at the moment)\n"); |
| 378 |
printf("--exec-after-init executes a command after initialization\n"); |
| 379 |
exit(EXIT_SUCCESS); |
| 380 |
break; |
| 381 |
case 1: // --version |
| 382 |
printf("LinuxSampler %s\n", VERSION); |
| 383 |
exit(EXIT_SUCCESS); |
| 384 |
break; |
| 385 |
case 2: // --profile |
| 386 |
profile = true; |
| 387 |
//FIXME: profiling code is currently broken! |
| 388 |
std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!" << std::endl; |
| 389 |
exit(EXIT_FAILURE); |
| 390 |
break; |
| 391 |
case 3: // --no-tune |
| 392 |
tune = false; |
| 393 |
break; |
| 394 |
case 4: // --statistics |
| 395 |
bPrintStatistics = true; |
| 396 |
break; |
| 397 |
case 5: // --instruments-db-location |
| 398 |
#if HAVE_SQLITE3 |
| 399 |
try { |
| 400 |
if (optarg) { |
| 401 |
struct stat statBuf; |
| 402 |
int res = stat(optarg, &statBuf); |
| 403 |
|
| 404 |
if (res) { |
| 405 |
std::stringstream ss; |
| 406 |
ss << "Failed to stat `" << optarg << "`: " << strerror(errno); |
| 407 |
throw Exception(ss.str()); |
| 408 |
} |
| 409 |
|
| 410 |
if (!S_ISREG(statBuf.st_mode)) { |
| 411 |
std::stringstream ss; |
| 412 |
ss << "`" << optarg << "` is not a regular file"; |
| 413 |
throw Exception(ss.str()); |
| 414 |
} |
| 415 |
|
| 416 |
InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg)); |
| 417 |
} |
| 418 |
} catch(Exception e) { |
| 419 |
std::cerr << "Could not open instruments DB file: " |
| 420 |
<< e.Message() << std::endl; |
| 421 |
exit(EXIT_FAILURE); |
| 422 |
} |
| 423 |
break; |
| 424 |
#else |
| 425 |
std::cerr << "LinuxSampler was not build with "; |
| 426 |
std::cerr << "instruments database support!\n"; |
| 427 |
exit(EXIT_FAILURE); |
| 428 |
break; |
| 429 |
#endif |
| 430 |
case 6: // --create-instruments-db |
| 431 |
#if HAVE_SQLITE3 |
| 432 |
try { |
| 433 |
if (optarg) { |
| 434 |
std::cout << "Creating instruments database..." << std::endl; |
| 435 |
InstrumentsDb::CreateInstrumentsDb(String(optarg)); |
| 436 |
std::cout << "Done" << std::endl; |
| 437 |
} |
| 438 |
} catch(Exception e) { |
| 439 |
std::cerr << e.Message() << std::endl; |
| 440 |
exit(EXIT_FAILURE); |
| 441 |
return; |
| 442 |
} |
| 443 |
|
| 444 |
exit(EXIT_SUCCESS); |
| 445 |
return; |
| 446 |
#else |
| 447 |
std::cerr << "Failed to create the database. LinuxSampler was "; |
| 448 |
std::cerr << "not build with instruments database support!\n"; |
| 449 |
exit(EXIT_FAILURE); |
| 450 |
return; |
| 451 |
#endif |
| 452 |
case 7: { // --lscp-addr |
| 453 |
struct in_addr addr; |
| 454 |
if (inet_aton(optarg, &addr) == 0) |
| 455 |
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
| 456 |
else |
| 457 |
lscp_addr = addr.s_addr; |
| 458 |
break; |
| 459 |
} |
| 460 |
case 8: {// --lscp-port |
| 461 |
long unsigned int port = 0; |
| 462 |
if ((sscanf(optarg, "%lu", &port) != 1) || (port == 0) || (port > 65535)) |
| 463 |
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
| 464 |
else |
| 465 |
lscp_port = htons(port); |
| 466 |
break; |
| 467 |
} |
| 468 |
case 9: // --stacktrace |
| 469 |
bShowStackTrace = true; |
| 470 |
break; |
| 471 |
case 10: // --exec-after-init |
| 472 |
ExecAfterInit = optarg; |
| 473 |
break; |
| 474 |
} |
| 475 |
} |
| 476 |
} |
| 477 |
} |
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