1 |
/*************************************************************************** |
2 |
* * |
3 |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
5 |
* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck * |
6 |
* Copyright (C) 2005-2007 Christian Schoenebeck * |
7 |
* * |
8 |
* This program is free software; you can redistribute it and/or modify * |
9 |
* it under the terms of the GNU General Public License as published by * |
10 |
* the Free Software Foundation; either version 2 of the License, or * |
11 |
* (at your option) any later version. * |
12 |
* * |
13 |
* This program is distributed in the hope that it will be useful, * |
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
16 |
* GNU General Public License for more details. * |
17 |
* * |
18 |
* You should have received a copy of the GNU General Public License * |
19 |
* along with this program; if not, write to the Free Software * |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
21 |
* MA 02111-1307 USA * |
22 |
***************************************************************************/ |
23 |
|
24 |
#include <getopt.h> |
25 |
#include <signal.h> |
26 |
|
27 |
#if defined(WIN32) |
28 |
// require at least Windows 2000 for the GlobalMemoryStatusEx() call |
29 |
#define _WIN32_WINNT 0x0500 |
30 |
#endif |
31 |
|
32 |
#include "Sampler.h" |
33 |
#include "common/global_private.h" |
34 |
#include "engines/EngineFactory.h" |
35 |
#include "plugins/InstrumentEditorFactory.h" |
36 |
#include "drivers/midi/MidiInputDeviceFactory.h" |
37 |
#include "drivers/audio/AudioOutputDeviceFactory.h" |
38 |
#include "engines/gig/Profiler.h" |
39 |
#include "network/lscpserver.h" |
40 |
#include "common/stacktrace.h" |
41 |
#include "common/Features.h" |
42 |
#include "common/atomic.h" |
43 |
|
44 |
using namespace LinuxSampler; |
45 |
|
46 |
Sampler* pSampler = NULL; |
47 |
LSCPServer* pLSCPServer = NULL; |
48 |
#if defined(WIN32) |
49 |
// inet_aton seems missing under WIN32 |
50 |
#ifndef INADDR_NONE |
51 |
#define INADDR_NONE 0xffffffff |
52 |
#endif |
53 |
|
54 |
int inet_aton(const char *cp, struct in_addr *addr) |
55 |
{ |
56 |
addr->s_addr = inet_addr(cp); |
57 |
return (addr->s_addr == INADDR_NONE) ? 0 : 1; |
58 |
} |
59 |
|
60 |
#else |
61 |
pid_t main_pid; |
62 |
#endif |
63 |
bool bPrintStatistics = false; |
64 |
bool profile = false; |
65 |
bool tune = true; |
66 |
unsigned long int lscp_addr; |
67 |
unsigned short int lscp_port; |
68 |
|
69 |
void parse_options(int argc, char **argv); |
70 |
void signal_handler(int signal); |
71 |
void kill_app(); |
72 |
static atomic_t running = ATOMIC_INIT(1); |
73 |
|
74 |
int main(int argc, char **argv) { |
75 |
|
76 |
// initialize the stack trace mechanism with our binary file |
77 |
StackTraceInit(argv[0], -1); |
78 |
|
79 |
#if defined(WIN32) |
80 |
// some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes) |
81 |
SYSTEM_INFO siSysInfo; |
82 |
long physical_memory; |
83 |
GetSystemInfo(&siSysInfo); |
84 |
dmsg(1,("page size=%d\n", siSysInfo.dwPageSize)); |
85 |
|
86 |
MEMORYSTATUSEX statex; |
87 |
statex.dwLength = sizeof (statex); |
88 |
GlobalMemoryStatusEx (&statex); |
89 |
dmsg(1, ("There are %*I64d total Kbytes of physical memory.\n", |
90 |
8, statex.ullTotalPhys)); |
91 |
dmsg(1, ("There are %*I64d free Kbytes of physical memory.\n", |
92 |
8, statex.ullAvailPhys)); |
93 |
physical_memory = statex.ullTotalPhys; |
94 |
|
95 |
HANDLE hProcess = GetCurrentProcess(); |
96 |
|
97 |
unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize; |
98 |
unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize; |
99 |
unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize; |
100 |
int res; |
101 |
|
102 |
res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize); |
103 |
|
104 |
RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024; |
105 |
RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize; |
106 |
|
107 |
for(;;) { |
108 |
dmsg(2,("TRYING VALUES RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); |
109 |
res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize); |
110 |
dmsg(2,("AFTER SET: res = %d RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize)); |
111 |
|
112 |
res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize); |
113 |
dmsg(2,("AFTER GET: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); |
114 |
|
115 |
if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) { |
116 |
dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n")); |
117 |
break; |
118 |
} |
119 |
|
120 |
RequestedMinimumWorkingSetSize -= 10*1024*1024; |
121 |
if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break; |
122 |
} |
123 |
|
124 |
dmsg(1,("AFTER GetProcessWorkingSetSize: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize)); |
125 |
#endif |
126 |
|
127 |
#if !defined(WIN32) |
128 |
main_pid = getpid(); |
129 |
#endif |
130 |
|
131 |
// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>) |
132 |
signal(SIGINT, signal_handler); |
133 |
|
134 |
#if defined(WIN32) |
135 |
// FIXME: sigaction() not supported on WIN32, we ignore it for now |
136 |
#else |
137 |
// register signal handler for all unusual signals |
138 |
// (we will print the stack trace and exit) |
139 |
struct sigaction sact; |
140 |
sigemptyset(&sact.sa_mask); |
141 |
sact.sa_flags = 0; |
142 |
sact.sa_handler = signal_handler; |
143 |
sigaction(SIGSEGV, &sact, NULL); |
144 |
sigaction(SIGBUS, &sact, NULL); |
145 |
sigaction(SIGILL, &sact, NULL); |
146 |
sigaction(SIGFPE, &sact, NULL); |
147 |
sigaction(SIGUSR1, &sact, NULL); |
148 |
sigaction(SIGUSR2, &sact, NULL); |
149 |
#endif |
150 |
|
151 |
lscp_addr = htonl(LSCP_ADDR); |
152 |
lscp_port = htons(LSCP_PORT); |
153 |
|
154 |
// parse and assign command line options |
155 |
parse_options(argc, argv); |
156 |
|
157 |
dmsg(1,("LinuxSampler %s\n", VERSION)); |
158 |
dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n")); |
159 |
dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n")); |
160 |
|
161 |
if (tune) { |
162 |
// detect and print system / CPU specific features |
163 |
Features::detect(); |
164 |
dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str())); |
165 |
// prevent slow denormal FPU modes |
166 |
Features::enableDenormalsAreZeroMode(); |
167 |
} |
168 |
|
169 |
// create LinuxSampler instance |
170 |
dmsg(1,("Creating Sampler...")); |
171 |
pSampler = new Sampler; |
172 |
dmsg(1,("OK\n")); |
173 |
|
174 |
dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str())); |
175 |
dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str())); |
176 |
dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str())); |
177 |
dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str())); |
178 |
|
179 |
// start LSCP network server |
180 |
struct in_addr addr; |
181 |
addr.s_addr = lscp_addr; |
182 |
dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port))); |
183 |
pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port); |
184 |
pLSCPServer->StartThread(); |
185 |
pLSCPServer->WaitUntilInitialized(); |
186 |
dmsg(1,("OK\n")); |
187 |
|
188 |
if (profile) |
189 |
{ |
190 |
dmsg(1,("Calibrating profiler...")); |
191 |
LinuxSampler::gig::Profiler::Calibrate(); |
192 |
LinuxSampler::gig::Profiler::Reset(); |
193 |
LinuxSampler::gig::Profiler::enable(); |
194 |
dmsg(1,("OK\n")); |
195 |
} |
196 |
|
197 |
printf("LinuxSampler initialization completed. :-)\n\n"); |
198 |
|
199 |
std::list<LSCPEvent::event_t> rtEvents; |
200 |
rtEvents.push_back(LSCPEvent::event_voice_count); |
201 |
rtEvents.push_back(LSCPEvent::event_stream_count); |
202 |
rtEvents.push_back(LSCPEvent::event_buffer_fill); |
203 |
rtEvents.push_back(LSCPEvent::event_total_voice_count); |
204 |
|
205 |
while (atomic_read(&running)) { |
206 |
if (bPrintStatistics) { |
207 |
const std::set<Engine*>& engines = EngineFactory::EngineInstances(); |
208 |
std::set<Engine*>::iterator itEngine = engines.begin(); |
209 |
for (int i = 0; itEngine != engines.end(); itEngine++, i++) { |
210 |
Engine* pEngine = *itEngine; |
211 |
printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i, |
212 |
pEngine->VoiceCount(), pEngine->VoiceCountMax(), |
213 |
pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax() |
214 |
); |
215 |
fflush(stdout); |
216 |
} |
217 |
} |
218 |
|
219 |
sleep(1); |
220 |
if (profile) |
221 |
{ |
222 |
unsigned int samplingFreq = 48000; //FIXME: hardcoded for now |
223 |
unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq); |
224 |
if (bv != 0) |
225 |
{ |
226 |
printf(" BogoVoices: %i \r", bv); |
227 |
fflush(stdout); |
228 |
} |
229 |
} |
230 |
|
231 |
if (LSCPServer::EventSubscribers(rtEvents)) |
232 |
{ |
233 |
LSCPServer::LockRTNotify(); |
234 |
std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels(); |
235 |
std::map<uint,SamplerChannel*>::iterator iter = channels.begin(); |
236 |
for (; iter != channels.end(); iter++) { |
237 |
SamplerChannel* pSamplerChannel = iter->second; |
238 |
EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel(); |
239 |
if (!pEngineChannel) continue; |
240 |
Engine* pEngine = pEngineChannel->GetEngine(); |
241 |
if (!pEngine) continue; |
242 |
pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount()); |
243 |
pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount()); |
244 |
pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage()); |
245 |
pSampler->fireTotalStreamCountChanged(pSampler->GetDiskStreamCount()); |
246 |
pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount()); |
247 |
} |
248 |
LSCPServer::UnlockRTNotify(); |
249 |
} |
250 |
} |
251 |
if (pLSCPServer) pLSCPServer->StopThread(); |
252 |
// the delete order here is important: the Sampler |
253 |
// destructor sends notifications to the lscpserver |
254 |
if (pSampler) delete pSampler; |
255 |
if (pLSCPServer) delete pLSCPServer; |
256 |
#if HAVE_SQLITE3 |
257 |
InstrumentsDb::Destroy(); |
258 |
#endif |
259 |
printf("LinuxSampler stopped due to SIGINT.\n"); |
260 |
return EXIT_SUCCESS; |
261 |
} |
262 |
|
263 |
void signal_handler(int iSignal) { |
264 |
switch (iSignal) { |
265 |
case SIGINT: |
266 |
atomic_set(&running, 0); |
267 |
return; |
268 |
#if defined(WIN32) |
269 |
// FIXME: under WIN32 we ignore the signals below due to the missing sigaction call |
270 |
#else |
271 |
case SIGSEGV: |
272 |
std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush; |
273 |
break; |
274 |
case SIGBUS: |
275 |
std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush; |
276 |
break; |
277 |
case SIGILL: |
278 |
std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush; |
279 |
break; |
280 |
case SIGFPE: |
281 |
std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush; |
282 |
break; |
283 |
case SIGUSR1: |
284 |
std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush; |
285 |
break; |
286 |
case SIGUSR2: |
287 |
std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush; |
288 |
break; |
289 |
#endif |
290 |
default: { // this should never happen, as we register for the signals we want |
291 |
std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush; |
292 |
break; |
293 |
} |
294 |
} |
295 |
signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions |
296 |
std::cerr << "Showing stack trace...\n" << std::flush; |
297 |
StackTrace(); |
298 |
sleep(2); |
299 |
std::cerr << "Killing LinuxSampler...\n" << std::flush; |
300 |
kill_app(); // Use abort() if we want to generate a core dump. |
301 |
} |
302 |
|
303 |
void kill_app() { |
304 |
#if defined(WIN32) |
305 |
// FIXME: do we need to do anything at this point under WIN32 ? is exit(0) ok ? |
306 |
exit(0); |
307 |
#else |
308 |
kill(main_pid, SIGKILL); |
309 |
#endif |
310 |
} |
311 |
|
312 |
void parse_options(int argc, char **argv) { |
313 |
int res; |
314 |
int option_index = 0; |
315 |
static struct option long_options[] = |
316 |
{ |
317 |
{"help",0,0,0}, |
318 |
{"version",0,0,0}, |
319 |
{"profile",0,0,0}, |
320 |
{"no-tune",0,0,0}, |
321 |
{"statistics",0,0,0}, |
322 |
{"instruments-db-location",1,0,0}, |
323 |
{"create-instruments-db",1,0,0}, |
324 |
{"lscp-addr",1,0,0}, |
325 |
{"lscp-port",1,0,0}, |
326 |
{0,0,0,0} |
327 |
}; |
328 |
|
329 |
while (true) { |
330 |
/* |
331 |
Stephane Letz : letz@grame.fr |
332 |
getopt_long_only does not exist on OSX : replaced by getopt_long for now. |
333 |
*/ |
334 |
res = getopt_long(argc, argv, "", long_options, &option_index); |
335 |
if(res == -1) break; |
336 |
if (res == 0) { |
337 |
switch(option_index) { |
338 |
case 0: // --help |
339 |
printf("usage: linuxsampler [OPTIONS]\n\n"); |
340 |
printf("--help prints this message\n"); |
341 |
printf("--version prints version information\n"); |
342 |
printf("--profile profile synthesis algorithms\n"); |
343 |
printf("--no-tune disable assembly optimization\n"); |
344 |
printf("--statistics periodically prints statistics\n"); |
345 |
printf("--lscp-addr set LSCP address (default: any)\n"); |
346 |
printf("--lscp-port set LSCP port (default: 8888)\n"); |
347 |
printf("--create-instruments-db creates an instruments DB\n"); |
348 |
printf("--instruments-db-location specifies the instruments DB file\n"); |
349 |
exit(EXIT_SUCCESS); |
350 |
break; |
351 |
case 1: // --version |
352 |
printf("LinuxSampler %s\n", VERSION); |
353 |
exit(EXIT_SUCCESS); |
354 |
break; |
355 |
case 2: // --profile |
356 |
profile = true; |
357 |
break; |
358 |
case 3: // --no-tune |
359 |
tune = false; |
360 |
break; |
361 |
case 4: // --statistics |
362 |
bPrintStatistics = true; |
363 |
break; |
364 |
case 5: // --instruments-db-location |
365 |
#if HAVE_SQLITE3 |
366 |
try { |
367 |
if (optarg) { |
368 |
struct stat statBuf; |
369 |
int res = stat(optarg, &statBuf); |
370 |
|
371 |
if (res) { |
372 |
std::stringstream ss; |
373 |
ss << "Failed to stat `" << optarg << "`: " << strerror(errno); |
374 |
throw Exception(ss.str()); |
375 |
} |
376 |
|
377 |
if (!S_ISREG(statBuf.st_mode)) { |
378 |
std::stringstream ss; |
379 |
ss << "`" << optarg << "` is not a regular file"; |
380 |
throw Exception(ss.str()); |
381 |
} |
382 |
|
383 |
InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg)); |
384 |
} |
385 |
} catch(Exception e) { |
386 |
std::cerr << "Could not open instruments DB file: " |
387 |
<< e.Message() << std::endl; |
388 |
exit(EXIT_FAILURE); |
389 |
} |
390 |
break; |
391 |
#else |
392 |
std::cerr << "LinuxSampler was not build with "; |
393 |
std::cerr << "instruments database support!\n"; |
394 |
exit(EXIT_FAILURE); |
395 |
break; |
396 |
#endif |
397 |
case 6: // --create-instruments-db |
398 |
#if HAVE_SQLITE3 |
399 |
try { |
400 |
if (optarg) { |
401 |
std::cout << "Creating instruments database..." << std::endl; |
402 |
InstrumentsDb::CreateInstrumentsDb(String(optarg)); |
403 |
InstrumentsDb::Destroy(); |
404 |
std::cout << "Done" << std::endl; |
405 |
} |
406 |
} catch(Exception e) { |
407 |
std::cerr << e.Message() << std::endl; |
408 |
exit(EXIT_FAILURE); |
409 |
return; |
410 |
} |
411 |
|
412 |
exit(EXIT_SUCCESS); |
413 |
return; |
414 |
#else |
415 |
std::cerr << "Failed to create the database. LinuxSampler was "; |
416 |
std::cerr << "not build with instruments database support!\n"; |
417 |
exit(EXIT_FAILURE); |
418 |
return; |
419 |
#endif |
420 |
case 7: // --lscp-addr |
421 |
struct in_addr addr; |
422 |
if (inet_aton(optarg, &addr) == 0) |
423 |
printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n"); |
424 |
else |
425 |
lscp_addr = addr.s_addr; |
426 |
break; |
427 |
case 8: // --lscp-port |
428 |
long unsigned int port = 0; |
429 |
if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535)) |
430 |
printf("WARNING: Failed to parse lscp-port argument, ignoring!\n"); |
431 |
else |
432 |
lscp_port = htons(port); |
433 |
break; |
434 |
} |
435 |
} |
436 |
} |
437 |
} |