/[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 2162 by persson, Tue Feb 8 18:22:50 2011 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) 2005-2011 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    int inet_aton(const char *cp, struct in_addr *addr)
62    {
63        addr->s_addr = inet_addr(cp);
64        return (addr->s_addr == INADDR_NONE) ? 0 : 1;
65    }
66    
67    #else
68    pid_t       main_pid;
69    #endif
70    bool bPrintStatistics = false;
71  bool profile = false;  bool profile = false;
72  bool tune = true;  bool tune = true;
73    static bool bShowStackTrace = false;
74    unsigned long int lscp_addr;
75    unsigned short int lscp_port;
76    
77  void parse_options(int argc, char **argv);  void parse_options(int argc, char **argv);
78  void signal_handler(int signal);  void signal_handler(int signal);
79  void kill_app();  void kill_app();
80    static atomic_t running = ATOMIC_INIT(1);
81    
82  int main(int argc, char **argv) {  int main(int argc, char **argv) {
83    
84      // initialize the stack trace mechanism with our binary file      lscp_addr = htonl(LSCP_ADDR);
85      StackTraceInit(argv[0], -1);      lscp_port = htons(LSCP_PORT);
86    
87        #if !defined(WIN32)
88        main_pid = getpid();
89        #endif
90    
91      main_thread = pthread_self();      // parse and assign command line options
92        parse_options(argc, argv);
93    
94      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)      // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
95      signal(SIGINT, signal_handler);      signal(SIGINT, signal_handler);
96    
97      // register signal handler for all unusual signals      // initialize the stack trace mechanism with our binary file
98      // (we will print the stack trace and exit)      // (if requested by command line option)
99      struct sigaction sact;      if (bShowStackTrace) {
100      sigemptyset(&sact.sa_mask);          #if defined(WIN32)
101      sact.sa_flags   = 0;          // FIXME: sigaction() not supported on WIN32, we ignore it for now
102      sact.sa_handler = signal_handler;          #else
103      sigaction(SIGSEGV, &sact, NULL);          StackTraceInit(argv[0], -1);
104      sigaction(SIGBUS,  &sact, NULL);          // register signal handler for all unusual signals
105      sigaction(SIGILL,  &sact, NULL);          // (we will print the stack trace and exit)
106      sigaction(SIGFPE,  &sact, NULL);          struct sigaction sact;
107      sigaction(SIGUSR1, &sact, NULL);          sigemptyset(&sact.sa_mask);
108      sigaction(SIGUSR2, &sact, NULL);          sact.sa_flags   = 0;
109            sact.sa_handler = signal_handler;
110      // parse and assign command line options          sigaction(SIGSEGV, &sact, NULL);
111      parse_options(argc, argv);          sigaction(SIGBUS,  &sact, NULL);
112            sigaction(SIGILL,  &sact, NULL);
113            sigaction(SIGFPE,  &sact, NULL);
114            sigaction(SIGUSR1, &sact, NULL);
115            sigaction(SIGUSR2, &sact, NULL);
116            #endif
117        }
118    
119      dmsg(1,("LinuxSampler %s\n", VERSION));      dmsg(1,("LinuxSampler %s\n", VERSION));
120      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"));
121        dmsg(1,("Copyright (C) 2005-2011 Christian Schoenebeck\n"));
122    
123      if (tune)      #if defined(WIN32)
124      {      #if 0
125              // detect and print system / CPU specific features      // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
126              String sFeatures;      SYSTEM_INFO siSysInfo;
127              Features::detect();      long physical_memory;
128  #if ARCH_X86      GetSystemInfo(&siSysInfo);
129              if (Features::supportsMMX()) sFeatures += " MMX";      dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));
130              if (Features::supportsSSE()) sFeatures += " SSE";  
131  #endif // ARCH_X86      MEMORYSTATUSEX statex;
132              if (!sFeatures.size()) sFeatures = " None";          statex.dwLength = sizeof (statex);
133              dmsg(1,("Detected features:%s\n",sFeatures.c_str()));      GlobalMemoryStatusEx (&statex);
134        dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
135              8, statex.ullTotalPhys));
136        dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
137              8, statex.ullAvailPhys));
138        physical_memory = statex.ullTotalPhys;
139    
140        HANDLE hProcess = GetCurrentProcess();
141    
142        unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize;
143        unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize;
144        unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize;
145        int res;
146    
147        res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize);
148    
149        RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024;
150        RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize;
151    
152        for(;;) {
153            dmsg(2,("TRYING VALUES  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
154            res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize);
155            dmsg(2,("AFTER SET: res = %d  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
156    
157            res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize);
158            dmsg(2,("AFTER GET: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
159    
160            if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) {
161                dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n"));
162                break;
163            }
164    
165            RequestedMinimumWorkingSetSize -=  10*1024*1024;
166            if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
167        }
168    
169        dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
170        #endif
171        #endif // WIN32
172    
173        if (tune) {
174            // detect and print system / CPU specific features
175            Features::detect();
176            dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
177            // prevent slow denormal FPU modes
178            Features::enableDenormalsAreZeroMode();
179      }      }
180    
181        dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));
182    
183      // create LinuxSampler instance      // create LinuxSampler instance
184      dmsg(1,("Creating Sampler..."));      dmsg(1,("Creating Sampler..."));
185      pSampler = new Sampler;      pSampler = new Sampler;
186      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
187    
188        dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
189      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
190      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));      dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
191        dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
192        dmsg(1,("Registered internal effect systems: %s\n", EffectFactory::AvailableEffectSystemsAsString().c_str()));
193        dmsg(1,("Registered internal effects: %d\n", EffectFactory::AvailableEffectsCount()));
194    
195      // start LSCP network server      // start LSCP network server
196      dmsg(1,("Starting LSCP network server (on TCP port %d)...", LSCP_PORT));      struct in_addr addr;
197      pLSCPServer = new LSCPServer(pSampler);      addr.s_addr = lscp_addr;
198        dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
199        pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
200      pLSCPServer->StartThread();      pLSCPServer->StartThread();
201      pLSCPServer->WaitUntilInitialized();      pLSCPServer->WaitUntilInitialized();
202      dmsg(1,("OK\n"));      dmsg(1,("OK\n"));
203    
204      if (profile)      if (profile)
205      {      {
206              dmsg(1,("Calibrating profiler..."));          dmsg(1,("Calibrating profiler..."));
207              gig::Profiler::Calibrate();          LinuxSampler::gig::Profiler::Calibrate();
208              gig::Profiler::Reset();          LinuxSampler::gig::Profiler::Reset();
209              dmsg(1,("OK\n"));          LinuxSampler::gig::Profiler::enable();
210            dmsg(1,("OK\n"));
211      }      }
212    
213      printf("LinuxSampler initialization completed.\n");      printf("LinuxSampler initialization completed. :-)\n\n");
214    
215      std::list<LSCPEvent::event_t> rtEvents;      while (atomic_read(&running)) {
216      rtEvents.push_back(LSCPEvent::event_voice_count);          if (bPrintStatistics) {
217      rtEvents.push_back(LSCPEvent::event_stream_count);              const std::set<Engine*>& engines = EngineFactory::EngineInstances();
218      rtEvents.push_back(LSCPEvent::event_buffer_fill);              std::set<Engine*>::iterator itEngine = engines.begin();
219                for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
220                    Engine* pEngine = *itEngine;
221                    printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
222                        pEngine->VoiceCount(), pEngine->VoiceCountMax(),
223                        pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
224                    );
225                    fflush(stdout);
226                }
227            }
228    
229      while(true)          sleep(1);
230      {          if (profile)
231        /*printf("Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d, Unused: %3.3d)\r",          {
232              pEngine->ActiveVoiceCount, pEngine->ActiveVoiceCountMax,              unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
233              pEngine->pDiskThread->ActiveStreamCount, pEngine->pDiskThread->ActiveStreamCountMax, Stream::GetUnusedStreams());              unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
234        fflush(stdout);*/              if (bv != 0)
235        sleep(1);              {
236        if (profile)                  printf("       BogoVoices: %i         \r", bv);
237        {                  fflush(stdout);
238                unsigned int samplingFreq = 48000; //FIXME: hardcoded for now              }
239                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();  
       }  
240    
241            pSampler->fireStatistics();
242      }      }
243        if (pLSCPServer) pLSCPServer->StopThread();
244        // the delete order here is important: the Sampler
245        // destructor sends notifications to the lscpserver
246        if (pSampler) delete pSampler;
247        if (pLSCPServer) delete pLSCPServer;
248        printf("LinuxSampler stopped due to SIGINT.\n");
249      return EXIT_SUCCESS;      return EXIT_SUCCESS;
250  }  }
251    
252  void signal_handler(int iSignal) {  void signal_handler(int iSignal) {
253      switch (iSignal) {      switch (iSignal) {
254          case SIGINT: {          case SIGINT:
255              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);  
             }  
256              return;              return;
257          }          #if defined(WIN32)
258            // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
259            #else
260          case SIGSEGV:          case SIGSEGV:
261              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
262              break;              break;
# Line 186  void signal_handler(int iSignal) { Line 275  void signal_handler(int iSignal) {
275          case SIGUSR2:          case SIGUSR2:
276              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;              std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
277              break;              break;
278            #endif
279          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
280              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;              std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
281              break;              break;
282          }          }
283      }      }
284      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions      signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
285      std::cerr << "Showing stack trace...\n" << std::flush;      if (bShowStackTrace) {
286      StackTrace();          std::cerr << "Showing stack trace...\n" << std::flush;
287      sleep(2);          StackTrace();
288            sleep(2);
289        }
290      std::cerr << "Killing LinuxSampler...\n" << std::flush;      std::cerr << "Killing LinuxSampler...\n" << std::flush;
291      kill_app(); // Use abort() if we want to generate a core dump.      kill_app(); // Use abort() if we want to generate a core dump.
292  }  }
293    
294  void kill_app() {  void kill_app() {
295      kill(main_thread, SIGKILL);      #if defined(WIN32)
296        // FIXME: do we need to do anything at this point under WIN32 ?  is exit(0) ok ?
297        exit(0);
298        #else
299        kill(main_pid, SIGKILL);
300        #endif
301  }  }
302    
303  void parse_options(int argc, char **argv) {  void parse_options(int argc, char **argv) {
# Line 212  void parse_options(int argc, char **argv Line 309  void parse_options(int argc, char **argv
309              {"version",0,0,0},              {"version",0,0,0},
310              {"profile",0,0,0},              {"profile",0,0,0},
311              {"no-tune",0,0,0},              {"no-tune",0,0,0},
312                {"statistics",0,0,0},
313                {"instruments-db-location",1,0,0},
314                {"create-instruments-db",1,0,0},
315                {"lscp-addr",1,0,0},
316                {"lscp-port",1,0,0},
317                {"stacktrace",0,0,0},
318              {0,0,0,0}              {0,0,0,0}
319          };          };
320    
# Line 226  void parse_options(int argc, char **argv Line 329  void parse_options(int argc, char **argv
329              switch(option_index) {              switch(option_index) {
330                  case 0: // --help                  case 0: // --help
331                      printf("usage: linuxsampler [OPTIONS]\n\n");                      printf("usage: linuxsampler [OPTIONS]\n\n");
332                      printf("--help             prints this message\n");                      printf("--help                      prints this message\n");
333                      printf("--version          prints version information\n");                      printf("--version                   prints version information\n");
334                      printf("--profile          profile synthesis algorithms\n");                      printf("--profile                   profile synthesis algorithms\n");
335                      printf("--no-tune          disable assembly optimization\n");                      printf("--no-tune                   disable assembly optimization\n");
336                        printf("--statistics                periodically prints statistics\n");
337                        printf("--lscp-addr                 set LSCP address (default: any)\n");
338                        printf("--lscp-port                 set LSCP port (default: 8888)\n");
339                        printf("--create-instruments-db     creates an instruments DB\n");
340                        printf("--instruments-db-location   specifies the instruments DB file\n");
341                        printf("--stacktrace                automatically shows stacktrace if crashes\n");
342                        printf("                            (broken on most systems at the moment)\n");
343                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
344                      break;                      break;
345                  case 1: // --version                  case 1: // --version
# Line 237  void parse_options(int argc, char **argv Line 347  void parse_options(int argc, char **argv
347                      exit(EXIT_SUCCESS);                      exit(EXIT_SUCCESS);
348                      break;                      break;
349                  case 2: // --profile                  case 2: // --profile
350                      profile = true;                      profile = true;
351                        //FIXME: profiling code is currently broken!
352                        std::cerr << "Option '--profile' is currently not supported, since the profiling code is currently broken!"  << std::endl;
353                        exit(EXIT_FAILURE);
354                      break;                      break;
355                  case 3: // --no-tune                  case 3: // --no-tune
356                      tune = false;                      tune = false;
357                        break;
358                    case 4: // --statistics
359                        bPrintStatistics = true;
360                        break;
361                    case 5: // --instruments-db-location
362    #if HAVE_SQLITE3
363                        try {
364                            if (optarg) {
365                                struct stat statBuf;
366                                int res = stat(optarg, &statBuf);
367    
368                                if (res) {
369                                    std::stringstream ss;
370                                    ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
371                                    throw Exception(ss.str());
372                                }
373    
374                                if (!S_ISREG(statBuf.st_mode)) {
375                                    std::stringstream ss;
376                                    ss << "`" << optarg << "` is not a regular file";
377                                    throw Exception(ss.str());
378                                }
379    
380                                InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
381                            }
382                        } catch(Exception e) {
383                            std::cerr << "Could not open instruments DB file: "
384                                      << e.Message() << std::endl;
385                            exit(EXIT_FAILURE);
386                        }
387                        break;
388    #else
389                        std::cerr << "LinuxSampler was not build with ";
390                        std::cerr << "instruments database support!\n";
391                        exit(EXIT_FAILURE);
392                        break;
393    #endif
394                    case 6: // --create-instruments-db
395    #if HAVE_SQLITE3
396                        try {
397                            if (optarg) {
398                                std::cout << "Creating instruments database..." << std::endl;
399                                InstrumentsDb::CreateInstrumentsDb(String(optarg));
400                                std::cout << "Done" << std::endl;
401                            }
402                        } catch(Exception e) {
403                            std::cerr << e.Message() << std::endl;
404                            exit(EXIT_FAILURE);
405                            return;
406                        }
407    
408                        exit(EXIT_SUCCESS);
409                        return;
410    #else
411                        std::cerr << "Failed to create the database. LinuxSampler was ";
412                        std::cerr << "not build with instruments database support!\n";
413                        exit(EXIT_FAILURE);
414                        return;
415    #endif
416                    case 7: { // --lscp-addr
417                        struct in_addr addr;
418                        if (inet_aton(optarg, &addr) == 0)
419                            printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
420                        else
421                            lscp_addr = addr.s_addr;
422                        break;
423                    }
424                    case 8: {// --lscp-port
425                        long unsigned int port = 0;
426                        if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
427                            printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
428                        else
429                            lscp_port = htons(port);
430                        break;
431                    }
432                    case 9: // --stacktrace
433                        bShowStackTrace = true;
434                      break;                      break;
435              }              }
436          }          }
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