trunk/src/linuxsampler.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005-2007 Christian Schoenebeck                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include <getopt.h>
#include <signal.h>

#include "Sampler.h"
#include "common/global_private.h"
#include "engines/EngineFactory.h"
#include "plugins/InstrumentEditorFactory.h"
#include "drivers/midi/MidiInputDeviceFactory.h"
#include "drivers/audio/AudioOutputDeviceFactory.h"
#include "engines/gig/Profiler.h"
#include "network/lscpserver.h"
#include "common/stacktrace.h"
#include "common/Features.h"

using namespace LinuxSampler;

Sampler*    pSampler    = NULL;
LSCPServer* pLSCPServer = NULL;
pthread_t   main_thread;
pid_t       main_pid;
bool bPrintStatistics = false;
bool profile = false;
bool tune = true;
unsigned long int lscp_addr;
unsigned short int lscp_port;

void parse_options(int argc, char **argv);
void signal_handler(int signal);
void kill_app();

int main(int argc, char **argv) {

    // initialize the stack trace mechanism with our binary file
    StackTraceInit(argv[0], -1);

    main_pid = getpid();
    main_thread = pthread_self();

    // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
    signal(SIGINT, signal_handler);

    // register signal handler for all unusual signals
    // (we will print the stack trace and exit)
    struct sigaction sact;
    sigemptyset(&sact.sa_mask);
    sact.sa_flags   = 0;
    sact.sa_handler = signal_handler;
    sigaction(SIGSEGV, &sact, NULL);
    sigaction(SIGBUS,  &sact, NULL);
    sigaction(SIGILL,  &sact, NULL);
    sigaction(SIGFPE,  &sact, NULL);
    sigaction(SIGUSR1, &sact, NULL);
    sigaction(SIGUSR2, &sact, NULL);

    lscp_addr = htonl(LSCP_ADDR);
    lscp_port = htons(LSCP_PORT);

    // parse and assign command line options
    parse_options(argc, argv);

    dmsg(1,("LinuxSampler %s\n", VERSION));
    dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
    dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));

    if (tune) {
        // detect and print system / CPU specific features
        Features::detect();
        dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
        // prevent slow denormal FPU modes
        Features::enableDenormalsAreZeroMode();
    }

    // create LinuxSampler instance
    dmsg(1,("Creating Sampler..."));
    pSampler = new Sampler;
    dmsg(1,("OK\n"));

    dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
    dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
    dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
    dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));

    // start LSCP network server
    struct in_addr addr;
    addr.s_addr = lscp_addr;
    dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
    pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
    pLSCPServer->StartThread();
    pLSCPServer->WaitUntilInitialized();
    dmsg(1,("OK\n"));

    if (profile)
    {
        dmsg(1,("Calibrating profiler..."));
        LinuxSampler::gig::Profiler::Calibrate();
        LinuxSampler::gig::Profiler::Reset();
        LinuxSampler::gig::Profiler::enable();
        dmsg(1,("OK\n"));
    }

    printf("LinuxSampler initialization completed. :-)\n\n");

    std::list<LSCPEvent::event_t> rtEvents;
    rtEvents.push_back(LSCPEvent::event_voice_count);
    rtEvents.push_back(LSCPEvent::event_stream_count);
    rtEvents.push_back(LSCPEvent::event_buffer_fill);
    rtEvents.push_back(LSCPEvent::event_total_voice_count);

    while (true) {
        if (bPrintStatistics) {
            const std::set<Engine*>& engines = EngineFactory::EngineInstances();
            std::set<Engine*>::iterator itEngine = engines.begin();
            for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
                Engine* pEngine = *itEngine;
                printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
                    pEngine->VoiceCount(), pEngine->VoiceCountMax(),
                    pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
                );
                fflush(stdout);
            }
        }

      sleep(1);
      if (profile)
      {
          unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
          unsigned int bv = LinuxSampler::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;
              EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
              if (!pEngineChannel) continue;
              Engine* pEngine = pEngineChannel->GetEngine();
              if (!pEngine) continue;
              pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
              pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
              pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
              pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());
          }
          LSCPServer::UnlockRTNotify();
      }

    }

    return EXIT_SUCCESS;
}

void signal_handler(int iSignal) {
    switch (iSignal) {
        case SIGINT: {
            if (pthread_equal(pthread_self(), main_thread)) {
                if (pLSCPServer) pLSCPServer->StopThread();
                // the delete order here is important: the Sampler
                // destructor sends notifications to the lscpserver
                if (pSampler) delete pSampler;
                if (pLSCPServer) delete pLSCPServer;
#if HAVE_SQLITE3
                InstrumentsDb::Destroy();
#endif
                printf("LinuxSampler stopped due to SIGINT.\n");
                exit(EXIT_SUCCESS);
            }
            return;
        }
        case SIGSEGV:
            std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
            break;
        case SIGBUS:
            std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush;
            break;
        case SIGILL:
            std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush;
            break;
        case SIGFPE:
            std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush;
            break;
        case SIGUSR1:
            std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush;
            break;
        case SIGUSR2:
            std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
            break;
        default: { // this should never happen, as we register for the signals we want
            std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
            break;
        }
    }
    signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
    std::cerr << "Showing stack trace...\n" << std::flush;
    StackTrace();
    sleep(2);
    std::cerr << "Killing LinuxSampler...\n" << std::flush;
    kill_app(); // Use abort() if we want to generate a core dump.
}

void kill_app() {
    kill(main_pid, SIGKILL);
}

void parse_options(int argc, char **argv) {
    int res;
    int option_index = 0;
    static struct option long_options[] =
        {
            {"help",0,0,0},
            {"version",0,0,0},
            {"profile",0,0,0},
            {"no-tune",0,0,0},
            {"statistics",0,0,0},
            {"instruments-db-location",1,0,0},
            {"create-instruments-db",1,0,0},
            {"lscp-addr",1,0,0},
            {"lscp-port",1,0,0},
            {0,0,0,0}
        };

    while (true) {
        /*
          Stephane Letz : letz@grame.fr
          getopt_long_only does not exist on OSX : replaced by getopt_long for now.
        */
        res = getopt_long(argc, argv, "", long_options, &option_index);
        if(res == -1) break;
        if (res == 0) {
            switch(option_index) {
                case 0: // --help
                    printf("usage: linuxsampler [OPTIONS]\n\n");
                    printf("--help                      prints this message\n");
                    printf("--version                   prints version information\n");
                    printf("--profile                   profile synthesis algorithms\n");
                    printf("--no-tune                   disable assembly optimization\n");
                    printf("--statistics                periodically prints statistics\n");
                    printf("--lscp-addr                 set LSCP address (default: any)\n");
                    printf("--lscp-port                 set LSCP port (default: 8888)\n");
                    printf("--create-instruments-db     creates an instruments DB\n");
                    printf("--instruments-db-location   specifies the instruments DB file\n");
                    exit(EXIT_SUCCESS);
                    break;
                case 1: // --version
                    printf("LinuxSampler %s\n", VERSION);
                    exit(EXIT_SUCCESS);
                    break;
                case 2: // --profile
                    profile = true;
                    break;
                case 3: // --no-tune
                    tune = false;
                    break;
                case 4: // --statistics
                    bPrintStatistics = true;
                    break;
                case 5: // --instruments-db-location
#if HAVE_SQLITE3
                    try {
                        if (optarg) {
                            struct stat statBuf;
                            int res = stat(optarg, &statBuf);

                            if (res) {
                                std::stringstream ss;
                                ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
                                throw Exception(ss.str());
                            }

                            if (!S_ISREG(statBuf.st_mode)) {
                                std::stringstream ss;
                                ss << "`" << optarg << "` is not a regular file";
                                throw Exception(ss.str());
                            }

                            InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
                        }
                    } catch(Exception e) {
                        std::cerr << "Could not open instruments DB file: "
                                  << e.Message() << std::endl;
                        exit(EXIT_FAILURE);
                    }
                    break;
#else
                    std::cerr << "LinuxSampler was not build with ";
                    std::cerr << "instruments database support!\n";
                    exit(EXIT_FAILURE);
                    break;
#endif
                case 6: // --create-instruments-db
#if HAVE_SQLITE3
                    try {
                        if (optarg) {
                            std::cout << "Creating instruments database..." << std::endl;
                            InstrumentsDb::CreateInstrumentsDb(String(optarg));
                            InstrumentsDb::Destroy();
                            std::cout << "Done" << std::endl;
                        }
                    } catch(Exception e) {
                        std::cerr << e.Message() << std::endl;
                        exit(EXIT_FAILURE);
                        return;
                    }

                    exit(EXIT_SUCCESS);
                    return;
#else
                    std::cerr << "Failed to create the database. LinuxSampler was ";
                    std::cerr << "not build with instruments database support!\n";
                    exit(EXIT_FAILURE);
                    return;
#endif
                case 7: // --lscp-addr
                    struct in_addr addr;
                    if (inet_aton(optarg, &addr) == 0)
                        printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
                    else
                        lscp_addr = addr.s_addr;
                    break;
                case 8: // --lscp-port
                    long unsigned int port = 0;
                    if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
                        printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
                    else
                        lscp_port = htons(port);
                    break;
            }
        }
    }
}
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	#include "Sampler.h"
28	#include "common/global_private.h"
29	#include "engines/EngineFactory.h"
30	#include "plugins/InstrumentEditorFactory.h"
31	#include "drivers/midi/MidiInputDeviceFactory.h"
32	#include "drivers/audio/AudioOutputDeviceFactory.h"
33	#include "engines/gig/Profiler.h"
34	#include "network/lscpserver.h"
35	#include "common/stacktrace.h"
36	#include "common/Features.h"
37
38	using namespace LinuxSampler;
39
40	Sampler* pSampler = NULL;
41	LSCPServer* pLSCPServer = NULL;
42	pthread_t main_thread;
43	pid_t main_pid;
44	bool bPrintStatistics = false;
45	bool profile = false;
46	bool tune = true;
47	unsigned long int lscp_addr;
48	unsigned short int lscp_port;
49
50	void parse_options(int argc, char **argv);
51	void signal_handler(int signal);
52	void kill_app();
53
54	int main(int argc, char **argv) {
55
56	// initialize the stack trace mechanism with our binary file
57	StackTraceInit(argv[0], -1);
58
59	main_pid = getpid();
60	main_thread = pthread_self();
61
62	// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
63	signal(SIGINT, signal_handler);
64
65	// register signal handler for all unusual signals
66	// (we will print the stack trace and exit)
67	struct sigaction sact;
68	sigemptyset(&sact.sa_mask);
69	sact.sa_flags = 0;
70	sact.sa_handler = signal_handler;
71	sigaction(SIGSEGV, &sact, NULL);
72	sigaction(SIGBUS, &sact, NULL);
73	sigaction(SIGILL, &sact, NULL);
74	sigaction(SIGFPE, &sact, NULL);
75	sigaction(SIGUSR1, &sact, NULL);
76	sigaction(SIGUSR2, &sact, NULL);
77
78	lscp_addr = htonl(LSCP_ADDR);
79	lscp_port = htons(LSCP_PORT);
80
81	// parse and assign command line options
82	parse_options(argc, argv);
83
84	dmsg(1,("LinuxSampler %s\n", VERSION));
85	dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
86	dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));
87
88	if (tune) {
89	// detect and print system / CPU specific features
90	Features::detect();
91	dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
92	// prevent slow denormal FPU modes
93	Features::enableDenormalsAreZeroMode();
94	}
95
96	// create LinuxSampler instance
97	dmsg(1,("Creating Sampler..."));
98	pSampler = new Sampler;
99	dmsg(1,("OK\n"));
100
101	dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
102	dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
103	dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
104	dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
105
106	// start LSCP network server
107	struct in_addr addr;
108	addr.s_addr = lscp_addr;
109	dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
110	pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
111	pLSCPServer->StartThread();
112	pLSCPServer->WaitUntilInitialized();
113	dmsg(1,("OK\n"));
114
115	if (profile)
116	{
117	dmsg(1,("Calibrating profiler..."));
118	LinuxSampler::gig::Profiler::Calibrate();
119	LinuxSampler::gig::Profiler::Reset();
120	LinuxSampler::gig::Profiler::enable();
121	dmsg(1,("OK\n"));
122	}
123
124	printf("LinuxSampler initialization completed. :-)\n\n");
125
126	std::list<LSCPEvent::event_t> rtEvents;
127	rtEvents.push_back(LSCPEvent::event_voice_count);
128	rtEvents.push_back(LSCPEvent::event_stream_count);
129	rtEvents.push_back(LSCPEvent::event_buffer_fill);
130	rtEvents.push_back(LSCPEvent::event_total_voice_count);
131
132	while (true) {
133	if (bPrintStatistics) {
134	const std::set<Engine*>& engines = EngineFactory::EngineInstances();
135	std::set<Engine*>::iterator itEngine = engines.begin();
136	for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
137	Engine* pEngine = *itEngine;
138	printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
139	pEngine->VoiceCount(), pEngine->VoiceCountMax(),
140	pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
141	);
142	fflush(stdout);
143	}
144	}
145
146	sleep(1);
147	if (profile)
148	{
149	unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
150	unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
151	if (bv != 0)
152	{
153	printf(" BogoVoices: %i \r", bv);
154	fflush(stdout);
155	}
156	}
157
158	if (LSCPServer::EventSubscribers(rtEvents))
159	{
160	LSCPServer::LockRTNotify();
161	std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
162	std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
163	for (; iter != channels.end(); iter++) {
164	SamplerChannel* pSamplerChannel = iter->second;
165	EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
166	if (!pEngineChannel) continue;
167	Engine* pEngine = pEngineChannel->GetEngine();
168	if (!pEngine) continue;
169	pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
170	pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
171	pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
172	pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());
173	}
174	LSCPServer::UnlockRTNotify();
175	}
176
177	}
178
179	return EXIT_SUCCESS;
180	}
181
182	void signal_handler(int iSignal) {
183	switch (iSignal) {
184	case SIGINT: {
185	if (pthread_equal(pthread_self(), main_thread)) {
186	if (pLSCPServer) pLSCPServer->StopThread();
187	// the delete order here is important: the Sampler
188	// destructor sends notifications to the lscpserver
189	if (pSampler) delete pSampler;
190	if (pLSCPServer) delete pLSCPServer;
191	#if HAVE_SQLITE3
192	InstrumentsDb::Destroy();
193	#endif
194	printf("LinuxSampler stopped due to SIGINT.\n");
195	exit(EXIT_SUCCESS);
196	}
197	return;
198	}
199	case SIGSEGV:
200	std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
201	break;
202	case SIGBUS:
203	std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush;
204	break;
205	case SIGILL:
206	std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush;
207	break;
208	case SIGFPE:
209	std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush;
210	break;
211	case SIGUSR1:
212	std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush;
213	break;
214	case SIGUSR2:
215	std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
216	break;
217	default: { // this should never happen, as we register for the signals we want
218	std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
219	break;
220	}
221	}
222	signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
223	std::cerr << "Showing stack trace...\n" << std::flush;
224	StackTrace();
225	sleep(2);
226	std::cerr << "Killing LinuxSampler...\n" << std::flush;
227	kill_app(); // Use abort() if we want to generate a core dump.
228	}
229
230	void kill_app() {
231	kill(main_pid, SIGKILL);
232	}
233
234	void parse_options(int argc, char **argv) {
235	int res;
236	int option_index = 0;
237	static struct option long_options[] =
238	{
239	{"help",0,0,0},
240	{"version",0,0,0},
241	{"profile",0,0,0},
242	{"no-tune",0,0,0},
243	{"statistics",0,0,0},
244	{"instruments-db-location",1,0,0},
245	{"create-instruments-db",1,0,0},
246	{"lscp-addr",1,0,0},
247	{"lscp-port",1,0,0},
248	{0,0,0,0}
249	};
250
251	while (true) {
252	/*
253	Stephane Letz : letz@grame.fr
254	getopt_long_only does not exist on OSX : replaced by getopt_long for now.
255	*/
256	res = getopt_long(argc, argv, "", long_options, &option_index);
257	if(res == -1) break;
258	if (res == 0) {
259	switch(option_index) {
260	case 0: // --help
261	printf("usage: linuxsampler [OPTIONS]\n\n");
262	printf("--help prints this message\n");
263	printf("--version prints version information\n");
264	printf("--profile profile synthesis algorithms\n");
265	printf("--no-tune disable assembly optimization\n");
266	printf("--statistics periodically prints statistics\n");
267	printf("--lscp-addr set LSCP address (default: any)\n");
268	printf("--lscp-port set LSCP port (default: 8888)\n");
269	printf("--create-instruments-db creates an instruments DB\n");
270	printf("--instruments-db-location specifies the instruments DB file\n");
271	exit(EXIT_SUCCESS);
272	break;
273	case 1: // --version
274	printf("LinuxSampler %s\n", VERSION);
275	exit(EXIT_SUCCESS);
276	break;
277	case 2: // --profile
278	profile = true;
279	break;
280	case 3: // --no-tune
281	tune = false;
282	break;
283	case 4: // --statistics
284	bPrintStatistics = true;
285	break;
286	case 5: // --instruments-db-location
287	#if HAVE_SQLITE3
288	try {
289	if (optarg) {
290	struct stat statBuf;
291	int res = stat(optarg, &statBuf);
292
293	if (res) {
294	std::stringstream ss;
295	ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
296	throw Exception(ss.str());
297	}
298
299	if (!S_ISREG(statBuf.st_mode)) {
300	std::stringstream ss;
301	ss << "`" << optarg << "` is not a regular file";
302	throw Exception(ss.str());
303	}
304
305	InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
306	}
307	} catch(Exception e) {
308	std::cerr << "Could not open instruments DB file: "
309	<< e.Message() << std::endl;
310	exit(EXIT_FAILURE);
311	}
312	break;
313	#else
314	std::cerr << "LinuxSampler was not build with ";
315	std::cerr << "instruments database support!\n";
316	exit(EXIT_FAILURE);
317	break;
318	#endif
319	case 6: // --create-instruments-db
320	#if HAVE_SQLITE3
321	try {
322	if (optarg) {
323	std::cout << "Creating instruments database..." << std::endl;
324	InstrumentsDb::CreateInstrumentsDb(String(optarg));
325	InstrumentsDb::Destroy();
326	std::cout << "Done" << std::endl;
327	}
328	} catch(Exception e) {
329	std::cerr << e.Message() << std::endl;
330	exit(EXIT_FAILURE);
331	return;
332	}
333
334	exit(EXIT_SUCCESS);
335	return;
336	#else
337	std::cerr << "Failed to create the database. LinuxSampler was ";
338	std::cerr << "not build with instruments database support!\n";
339	exit(EXIT_FAILURE);
340	return;
341	#endif
342	case 7: // --lscp-addr
343	struct in_addr addr;
344	if (inet_aton(optarg, &addr) == 0)
345	printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
346	else
347	lscp_addr = addr.s_addr;
348	break;
349	case 8: // --lscp-port
350	long unsigned int port = 0;
351	if ((sscanf(optarg, "%u", &port) != 1) \|\| (port == 0) \|\| (port > 65535))
352	printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
353	else
354	lscp_port = htons(port);
355	break;
356	}
357	}
358	}
359	}