/[svn]/linuxsampler/trunk/src/linuxsampler.cpp
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Diff of /linuxsampler/trunk/src/linuxsampler.cpp

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revision 361 by schoenebeck, Wed Feb 9 01:22:18 2005 UTC revision 3455 by persson, Sun Jan 27 10:07:54 2019 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck    *
6     *   Copyright (C) 2005-2017 Christian Schoenebeck                         *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   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  *   *   it under the terms of the GNU General Public License as published by  *
# Line 22  Line 23 
23    
24  #include <getopt.h>  #include <getopt.h>
25  #include <signal.h>  #include <signal.h>
26    #include <sys/stat.h>
27    
28    #if defined(WIN32)
29    // require at least Windows 2000 for the GlobalMemoryStatusEx() call
30    #if _WIN32_WINNT < 0x0500
31    #ifdef _WIN32_WINNT
32    #undef _WIN32_WINNT
33    #endif
34    #define _WIN32_WINNT 0x0500
35    #endif
36    #endif
37    
38  #include "Sampler.h"  #include "Sampler.h"
39    #include "common/global_private.h"
40    #include "engines/EngineFactory.h"
41    #include "plugins/InstrumentEditorFactory.h"
42  #include "drivers/midi/MidiInputDeviceFactory.h"  #include "drivers/midi/MidiInputDeviceFactory.h"
43  #include "drivers/audio/AudioOutputDeviceFactory.h"  #include "drivers/audio/AudioOutputDeviceFactory.h"
44    #include "effects/EffectFactory.h"
45  #include "engines/gig/Profiler.h"  #include "engines/gig/Profiler.h"
46  #include "network/lscpserver.h"  #include "network/lscpserver.h"
47  #include "common/stacktrace.h"  #include "common/stacktrace.h"
48  #include "common/Features.h"  #include "common/Features.h"
49    #include "common/atomic.h"
50    
51  using namespace LinuxSampler;  using namespace LinuxSampler;
52    
53  Sampler*    pSampler    = NULL;  Sampler*    pSampler    = NULL;
54  LSCPServer* pLSCPServer = NULL;  LSCPServer* pLSCPServer = NULL;
55  pthread_t   main_thread;  #if defined(WIN32)
56    // inet_aton seems missing under WIN32
57    #ifndef INADDR_NONE
58    #define INADDR_NONE 0xffffffff
59    #endif
60    
61    typedef unsigned long in_addr_t;
62    
63    int inet_aton(const char *cp, struct in_addr *addr)
64    {
65        addr->s_addr = inet_addr(cp);
66        return (addr->s_addr == INADDR_NONE) ? 0 : 1;
67    }
68    
69    #else
70    pid_t       main_pid;
71    #endif
72    bool bPrintStatistics = false;
73  bool profile = false;  bool profile = false;
74  bool tune = true;  bool tune = true;
75    static bool bShowStackTrace = false;
76    unsigned long int lscp_addr;
77    unsigned short int lscp_port;
78    String ExecAfterInit;
79    
80  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
81  void signal_handler(int signal);  void signal_handler(int signal);
82  void kill_app();  void kill_app();
83    static atomic_t running = ATOMIC_INIT(1);
84    
85  int main(int argc, char **argv) {  int main(int argc, char **argv) {
86    
87      // initialize the stack trace mechanism with our binary file      lscp_addr = htonl(LSCP_ADDR);
88      StackTraceInit(argv[0], -1);      lscp_port = htons(LSCP_PORT);
89    
90      main_thread = pthread_self();      #if !defined(WIN32)
91        main_pid = getpid();
92        #endif
93    
94        // parse and assign command line options
95        parse_options(argc, argv);
96    
97      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
98      signal(SIGINT, signal_handler);      signal(SIGINT, signal_handler);
99    
100      // register signal handler for all unusual signals      // initialize the stack trace mechanism with our binary file
101      // (we will print the stack trace and exit)      // (if requested by command line option)
102      struct sigaction sact;      if (bShowStackTrace) {
103      sigemptyset(&sact.sa_mask);          #if defined(WIN32)
104      sact.sa_flags   = 0;          // FIXME: sigaction() not supported on WIN32, we ignore it for now
105      sact.sa_handler = signal_handler;          #elif AC_APPLE_UNIVERSAL_BUILD
106      sigaction(SIGSEGV, &sact, NULL);          // not used for Xcode
107      sigaction(SIGBUS,  &sact, NULL);          #else
108      sigaction(SIGILL,  &sact, NULL);          StackTraceInit(argv[0], -1);
109      sigaction(SIGFPE,  &sact, NULL);          // register signal handler for all unusual signals
110      sigaction(SIGUSR1, &sact, NULL);          // (we will print the stack trace and exit)
111      sigaction(SIGUSR2, &sact, NULL);          struct sigaction sact;
112            sigemptyset(&sact.sa_mask);
113      // parse and assign command line options          sact.sa_flags   = 0;
114      parse_options(argc, argv);          sact.sa_handler = signal_handler;
115            sigaction(SIGSEGV, &sact, NULL);
116            sigaction(SIGBUS,  &sact, NULL);
117            sigaction(SIGILL,  &sact, NULL);
118            sigaction(SIGFPE,  &sact, NULL);
119            sigaction(SIGUSR1, &sact, NULL);
120            sigaction(SIGUSR2, &sact, NULL);
121            #endif
122        }
123    
124      dmsg(1,("LinuxSampler %s\n", VERSION));      dmsg(1,("LinuxSampler %s\n", VERSION));
125      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"));
126        dmsg(1,("Copyright (C) 2005-2019 Christian Schoenebeck\n"));
127        dmsg(1,("Binary built: " __DATE__ "\n"))
128    
129        #if defined(WIN32)
130        #if 0
131        // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
132        SYSTEM_INFO siSysInfo;
133        long physical_memory;
134        GetSystemInfo(&siSysInfo);
135        dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));
136    
137        MEMORYSTATUSEX statex;
138            statex.dwLength = sizeof (statex);
139        GlobalMemoryStatusEx (&statex);
140        dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
141              8, statex.ullTotalPhys));
142        dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
143              8, statex.ullAvailPhys));
144        physical_memory = statex.ullTotalPhys;
145    
146        HANDLE hProcess = GetCurrentProcess();
147    
148        unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize;
149        unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize;
150        unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize;
151        int res;
152    
153      if (tune)      res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize);
154      {  
155              // detect and print system / CPU specific features      RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024;
156              String sFeatures;      RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize;
157              Features::detect();  
158  #if ARCH_X86      for(;;) {
159              if (Features::supportsMMX()) sFeatures += " MMX";          dmsg(2,("TRYING VALUES  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
160              if (Features::supportsSSE()) sFeatures += " SSE";          res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize);
161  #endif // ARCH_X86          dmsg(2,("AFTER SET: res = %d  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
162              if (!sFeatures.size()) sFeatures = " None";  
163              dmsg(1,("Detected features:%s\n",sFeatures.c_str()));          res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize);
164            dmsg(2,("AFTER GET: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
165    
166            if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) {
167                dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n"));
168                break;
169            }
170    
171            RequestedMinimumWorkingSetSize -=  10*1024*1024;
172            if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
173        }
174    
175        dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
176        #endif
177        #endif // WIN32
178    
179        if (tune) {
180            // detect and print system / CPU specific features
181            Features::detect();
182            dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
183            // prevent slow denormal FPU modes
184            Features::enableDenormalsAreZeroMode();
185      }      }
186    
187        dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));
188    
189      // create LinuxSampler instance      // create LinuxSampler instance
190      dmsg(1,("Creating Sampler..."));      dmsg(1,("Creating Sampler..."));
191      pSampler = new Sampler;      pSampler = new Sampler;
192      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
193    
194        dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
195      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
196      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
197        dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
198        dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str()));
199        dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount()));
200    
201      // start LSCP network server      // start LSCP network server
202      dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT));      struct in_addr addr;
203      pLSCPServer = new LSCPServer(pSampler);      addr.s_addr = (in_addr_t)lscp_addr;
204        dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
205        pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
206      pLSCPServer->StartThread();      pLSCPServer->StartThread();
207      pLSCPServer->WaitUntilInitialized();      pLSCPServer->WaitUntilInitialized();
208      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
209    
210      if (profile)      if (profile)
211      {      {
212              dmsg(1,("Calibrating profiler..."));          dmsg(1,("Calibrating profiler..."));
213              gig::Profiler::Calibrate();          LinuxSampler::gig::Profiler::Calibrate();
214              gig::Profiler::Reset();          LinuxSampler::gig::Profiler::Reset();
215              dmsg(1,("OK\n"));          LinuxSampler::gig::Profiler::enable();
216            dmsg(1,("OK\n"));
217      }      }
218    
219      printf("LinuxSampler initialization completed.\n");      printf("LinuxSampler initialization completed. :-)\n\n");
220        
221        if (ExecAfterInit != "") {
222            printf("Executing command: %s\n\n", ExecAfterInit.c_str());
223            if (system(ExecAfterInit.c_str()) == -1) {
224                std::cerr << "Failed to execute the command" << std::endl;
225            }
226        }
227    
228      std::list<LSCPEvent::event_t> rtEvents;  //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details)
229      rtEvents.push_back(LSCPEvent::event_voice_count);  #if defined(__APPLE__)
230      rtEvents.push_back(LSCPEvent::event_stream_count);      g_mainThreadCallbackSupported = true;
231      rtEvents.push_back(LSCPEvent::event_buffer_fill);  #endif
232    
233        while (atomic_read(&running)) {
234            if (bPrintStatistics) {
235                const std::set<Engine*>& engines = EngineFactory::EngineInstances();
236                std::set<Engine*>::iterator itEngine = engines.begin();
237                for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
238                    Engine* pEngine = *itEngine;
239                    printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
240                        pEngine->VoiceCount(), pEngine->VoiceCountMax(),
241                        pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
242                    );
243                    fflush(stdout);
244                }
245            }
246    
247      while(true)          sleep(1);
248      {          if (profile)
249        /*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",          {
250              pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,              unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
251              pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());              unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
252        fflush(stdout);*/              if (bv != 0)
253        sleep(1);              {
254        if (profile)                  printf("       BogoVoices: %i         \r", bv);
255        {                  fflush(stdout);
256                unsigned int samplingFreq = 48000; //FIXME: hardcoded for now              }
257                unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq);          }
               if (bv != 0)  
               {  
                       printf("       BogoVoices: %i         \r", bv);  
                       fflush(stdout);  
               }  
       }  
         
       if (LSCPServer::EventSubscribers(rtEvents))  
       {  
               LSCPServer::LockRTNotify();  
               std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();  
               std::map<uint,SamplerChannel*>::iterator iter = channels.begin();  
               for (; iter != channels.end(); iter++) {  
                       SamplerChannel* pSamplerChannel = iter->second;  
                       Engine* pEngine = pSamplerChannel->GetEngine();  
                       if (!pEngine) continue;  
                       LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount()));  
                       LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount()));  
                       LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage()));  
               }  
               LSCPServer::UnlockRTNotify();  
       }  
258    
259            pSampler->fireStatistics();
260            
261            //TODO: (hopefully) just a temporary nasty hack for launching gigedit on the main thread on Mac (see comments in gigedit.cpp for details)
262            #if defined(__APPLE__)
263            if (g_fireMainThreadCallback && g_mainThreadCallback) {
264                void (*fn)(void* info) = g_mainThreadCallback;
265                void* info = g_mainThreadCallbackInfo;
266                g_mainThreadCallbackInfo = NULL;
267                g_mainThreadCallback     = NULL;
268                g_fireMainThreadCallback = false;
269                printf("Received main thread callback, calling now ...\n"); fflush(stdout);
270                (*fn)(info);
271                printf("Main thread callback executed.\n"); fflush(stdout);
272            }
273            #endif
274      }      }
275    //#endif
276        if (pLSCPServer) pLSCPServer->StopThread();
277        // the delete order here is important: the Sampler
278        // destructor sends notifications to the lscpserver
279        if (pSampler) delete pSampler;
280        if (pLSCPServer) delete pLSCPServer;
281        printf("LinuxSampler stopped due to SIGINT.\n");
282      return EXIT_SUCCESS;      return EXIT_SUCCESS;
283  }  }
284    
285  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
286      switch (iSignal) {      switch (iSignal) {
287          case SIGINT: {          case SIGINT:
288              if (pthread_equal(pthread_self(), main_thread)) {              atomic_set(&running, 0);
                 if (pLSCPServer) {  
                     pLSCPServer->StopThread();  
                     delete pLSCPServer;  
                 }  
                 if (pSampler) delete pSampler;  
                 printf("LinuxSampler stopped due to SIGINT.\n");  
                 exit(EXIT_SUCCESS);  
             }  
289              return;              return;
290          }          #if defined(WIN32)
291            // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
292            #else
293          case SIGSEGV:          case SIGSEGV:
294              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
295              break;              break;
# Line 186  void signal_handler(int iSignal) { Line 308  void signal_handler(int iSignal) {
308          case SIGUSR2:          case SIGUSR2:
309              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
310              break;              break;
311            #endif
312          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
313              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
314              break;              break;
315          }          }
316      }      }
317      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
318      std::cerr << "Showing stack trace...\n" << std::flush;      if (bShowStackTrace) {
319      StackTrace();          std::cerr << "Showing stack trace...\n" << std::flush;
320      sleep(2);          #if !AC_APPLE_UNIVERSAL_BUILD
321            StackTrace();
322            #endif
323            sleep(2);
324        }
325      std::cerr << "Killing LinuxSampler...\n" << std::flush;      std::cerr << "Killing LinuxSampler...\n" << std::flush;
326      kill_app(); // Use abort() if we want to generate a core dump.      kill_app(); // Use abort() if we want to generate a core dump.
327  }  }
328    
329  void kill_app() {  void kill_app() {
330      kill(main_thread, SIGKILL);      #if defined(WIN32)
331        // FIXME: do we need to do anything at this point under WIN32 ?  is exit(0) ok ?
332        exit(0);
333        #else
334        kill(main_pid, SIGKILL);
335        #endif
336  }  }
337    
338  void parse_options(int argc, char **argv) {  void parse_options(int argc, char **argv) {
# Line 208  void parse_options(int argc, char **argv Line 340  void parse_options(int argc, char **argv
340      int option_index = 0;      int option_index = 0;
341      static struct option long_options[] =      static struct option long_options[] =
342          {          {
343              {"help",0,0,0},              {"help",no_argument,0,0},
344              {"version",0,0,0},              {"version",no_argument,0,0},
345              {"profile",0,0,0},              {"profile",no_argument,0,0},
346              {"no-tune",0,0,0},              {"no-tune",no_argument,0,0},
347                {"statistics",no_argument,0,0},
348                {"instruments-db-location",required_argument,0,0},
349                {"create-instruments-db",optional_argument,0,0},
350                {"lscp-addr",required_argument,0,0},
351                {"lscp-port",required_argument,0,0},
352                {"stacktrace",no_argument,0,0},
353                {"exec-after-init",required_argument,0,0},
354              {0,0,0,0}              {0,0,0,0}
355          };          };
356    
# Line 226  void parse_options(int argc, char **argv Line 365  void parse_options(int argc, char **argv
365              switch(option_index) {              switch(option_index) {
366                  case 0: // --help                  case 0: // --help
367                      printf("usage: linuxsampler [OPTIONS]\n\n");                      printf("usage: linuxsampler [OPTIONS]\n\n");
368                      printf("--help             prints this message\n");                      printf("--help                      prints this message\n");
369                      printf("--version          prints version information\n");                      printf("--version                   prints version information\n");
370                      printf("--profile          profile synthesis algorithms\n");                      printf("--profile                   profile synthesis algorithms\n");
371                      printf("--no-tune          disable assembly optimization\n");                      printf("--no-tune                   disable assembly optimization\n");
372                        printf("--statistics                periodically prints statistics\n");
373                        printf("--lscp-addr                 set LSCP address (default: any)\n");
374                        printf("--lscp-port                 set LSCP port (default: 8888)\n");
375                        printf("--create-instruments-db     creates an instruments DB\n");
376                        printf("--instruments-db-location   specifies the instruments DB file\n");
377                        printf("--stacktrace                automatically shows stacktrace if crashes\n");
378                        printf("                            (broken on most systems at the moment)\n");
379                        printf("--exec-after-init           executes a command after initialization\n");
380                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
381                      break;                      break;
382                  case 1: // --version                  case 1: // --version
# Line 237  void parse_options(int argc, char **argv Line 384  void parse_options(int argc, char **argv
384                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
385                      break;                      break;
386                  case 2: // --profile                  case 2: // --profile
387                      profile = true;                      profile = true;
388                        //FIXME: profiling code is currently broken!
389                        std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!"  << std::endl;
390                        exit(EXIT_FAILURE);
391                      break;                      break;
392                  case 3: // --no-tune                  case 3: // --no-tune
393                      tune = false;                      tune = false;
394                        break;
395                    case 4: // --statistics
396                        bPrintStatistics = true;
397                        break;
398                    case 5: // --instruments-db-location
399    #if HAVE_SQLITE3
400                        try {
401                            if (optarg) {
402                                struct stat statBuf;
403                                int res = stat(optarg, &statBuf);
404    
405                                if (res) {
406                                    std::stringstream ss;
407                                    ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
408                                    throw Exception(ss.str());
409                                }
410    
411                                if (!S_ISREG(statBuf.st_mode)) {
412                                    std::stringstream ss;
413                                    ss << "`" << optarg << "` is not a regular file";
414                                    throw Exception(ss.str());
415                                }
416    
417                                InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
418                            }
419                        } catch(Exception e) {
420                            std::cerr << "Could not open instruments DB file: "
421                                      << e.Message() << std::endl;
422                            exit(EXIT_FAILURE);
423                        }
424                        break;
425    #else
426                        std::cerr << "LinuxSampler was not build with ";
427                        std::cerr << "instruments database support!\n";
428                        exit(EXIT_FAILURE);
429                        break;
430    #endif
431                    case 6: // --create-instruments-db
432    #if HAVE_SQLITE3
433                        try {
434                            std::cout << "Creating instruments database..." << std::endl;
435                            if (optarg) // with glibc this only fires with form --create-instruments-db=bla (see below)
436                                InstrumentsDb::GetInstrumentsDb()->CreateInstrumentsDb(String(optarg));
437                            else if (argv[optind] && argv[optind][0] != '-') // workaround: glibc actually expects form --foo=value for all optional arguments ...
438                                InstrumentsDb::GetInstrumentsDb()->CreateInstrumentsDb(String(argv[optind++]));
439                            else
440                                InstrumentsDb::GetInstrumentsDb()->CreateInstrumentsDb(); // use default instruments db location
441                            std::cout << "Done" << std::endl;
442                        } catch(Exception e) {
443                            std::cerr << e.Message() << std::endl;
444                            exit(EXIT_FAILURE);
445                            return;
446                        }
447    
448                        exit(EXIT_SUCCESS);
449                        return;
450    #else
451                        std::cerr << "Failed to create the database. LinuxSampler was ";
452                        std::cerr << "not build with instruments database support!\n";
453                        exit(EXIT_FAILURE);
454                        return;
455    #endif
456                    case 7: { // --lscp-addr
457                        struct in_addr addr;
458                        if (inet_aton(optarg, &addr) == 0)
459                            printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
460                        else
461                            lscp_addr = addr.s_addr;
462                        break;
463                    }
464                    case 8: {// --lscp-port
465                        long unsigned int port = 0;
466                        if ((sscanf(optarg, "%lu", &port) != 1) || (port == 0) || (port > 65535))
467                            printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
468                        else
469                            lscp_port = htons(port);
470                        break;
471                    }
472                    case 9: // --stacktrace
473                        bShowStackTrace = true;
474                        break;
475                    case 10: // --exec-after-init
476                        ExecAfterInit = optarg;
477                      break;                      break;
478              }              }
479          }          }
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