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 "engines/EngineFactory.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()));

    // 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..."));
        gig::Profiler::Calibrate();
        gig::Profiler::Reset();
        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 = 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;
              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::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, 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();
                    delete pLSCPServer;
                }
                if (pSampler) delete pSampler;
                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},
            {"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");
                    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: // --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 6: // --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	schoenebeck	9	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	capela	1012	* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck *
6			* Copyright (C) 2005-2007 Christian Schoenebeck *
7	schoenebeck	9	* *
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	schoenebeck	53	#include "Sampler.h"
28	schoenebeck	420	#include "engines/EngineFactory.h"
29	schoenebeck	207	#include "drivers/midi/MidiInputDeviceFactory.h"
30	schoenebeck	203	#include "drivers/audio/AudioOutputDeviceFactory.h"
31	senkov	325	#include "engines/gig/Profiler.h"
32	schoenebeck	35	#include "network/lscpserver.h"
33	schoenebeck	271	#include "common/stacktrace.h"
34	schoenebeck	319	#include "common/Features.h"
35	schoenebeck	9
36	schoenebeck	53	using namespace LinuxSampler;
37
38	schoenebeck	211	Sampler* pSampler = NULL;
39			LSCPServer* pLSCPServer = NULL;
40	schoenebeck	271	pthread_t main_thread;
41	wylder	816	pid_t main_pid;
42	schoenebeck	420	bool bPrintStatistics = false;
43	senkov	325	bool profile = false;
44			bool tune = true;
45	senkov	667	unsigned long int lscp_addr;
46			unsigned short int lscp_port;
47	schoenebeck	9
48			void parse_options(int argc, char **argv);
49			void signal_handler(int signal);
50	schoenebeck	271	void kill_app();
51	schoenebeck	9
52			int main(int argc, char **argv) {
53
54	schoenebeck	271	// initialize the stack trace mechanism with our binary file
55			StackTraceInit(argv[0], -1);
56
57	wylder	816	main_pid = getpid();
58	schoenebeck	271	main_thread = pthread_self();
59
60	schoenebeck	9	// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
61			signal(SIGINT, signal_handler);
62
63	schoenebeck	271	// register signal handler for all unusual signals
64			// (we will print the stack trace and exit)
65			struct sigaction sact;
66			sigemptyset(&sact.sa_mask);
67			sact.sa_flags = 0;
68			sact.sa_handler = signal_handler;
69			sigaction(SIGSEGV, &sact, NULL);
70			sigaction(SIGBUS, &sact, NULL);
71			sigaction(SIGILL, &sact, NULL);
72			sigaction(SIGFPE, &sact, NULL);
73			sigaction(SIGUSR1, &sact, NULL);
74			sigaction(SIGUSR2, &sact, NULL);
75
76	senkov	667	lscp_addr = htonl(LSCP_ADDR);
77			lscp_port = htons(LSCP_PORT);
78
79	schoenebeck	9	// parse and assign command line options
80	senkov	325	parse_options(argc, argv);
81	schoenebeck	9
82	schoenebeck	207	dmsg(1,("LinuxSampler %s\n", VERSION));
83	capela	1012	dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
84			dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));
85	schoenebeck	123
86	schoenebeck	579	if (tune) {
87	persson	425	// detect and print system / CPU specific features
88			Features::detect();
89	schoenebeck	579	dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
90			// prevent slow denormal FPU modes
91			Features::enableDenormalsAreZeroMode();
92	senkov	325	}
93	schoenebeck	319
94	schoenebeck	53	// create LinuxSampler instance
95	schoenebeck	123	dmsg(1,("Creating Sampler..."));
96	schoenebeck	53	pSampler = new Sampler;
97	schoenebeck	123	dmsg(1,("OK\n"));
98	schoenebeck	53
99	schoenebeck	900	dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
100	schoenebeck	207	dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
101	schoenebeck	123	dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
102
103	schoenebeck	53	// start LSCP network server
104	senkov	667	struct in_addr addr;
105			addr.s_addr = lscp_addr;
106			dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
107			pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
108	schoenebeck	53	pLSCPServer->StartThread();
109	schoenebeck	211	pLSCPServer->WaitUntilInitialized();
110	schoenebeck	12	dmsg(1,("OK\n"));
111	schoenebeck	9
112	senkov	325	if (profile)
113			{
114	persson	425	dmsg(1,("Calibrating profiler..."));
115			gig::Profiler::Calibrate();
116			gig::Profiler::Reset();
117	schoenebeck	770	gig::Profiler::enable();
118	persson	425	dmsg(1,("OK\n"));
119	senkov	325	}
120
121	schoenebeck	563	printf("LinuxSampler initialization completed. :-)\n\n");
122	schoenebeck	9
123	senkov	360	std::list<LSCPEvent::event_t> rtEvents;
124			rtEvents.push_back(LSCPEvent::event_voice_count);
125			rtEvents.push_back(LSCPEvent::event_stream_count);
126			rtEvents.push_back(LSCPEvent::event_buffer_fill);
127	iliev	778	rtEvents.push_back(LSCPEvent::event_total_voice_count);
128	senkov	360
129	schoenebeck	420	while (true) {
130			if (bPrintStatistics) {
131	persson	840	const std::set<Engine*>& engines = EngineFactory::EngineInstances();
132	schoenebeck	420	std::set<Engine*>::iterator itEngine = engines.begin();
133			for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
134			Engine* pEngine = *itEngine;
135			printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
136			pEngine->VoiceCount(), pEngine->VoiceCountMax(),
137			pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
138			);
139			fflush(stdout);
140			}
141			}
142	persson	425
143	senkov	325	sleep(1);
144			if (profile)
145			{
146	persson	425	unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
147			unsigned int bv = gig::Profiler::GetBogoVoices(samplingFreq);
148			if (bv != 0)
149			{
150			printf(" BogoVoices: %i \r", bv);
151			fflush(stdout);
152			}
153	senkov	325	}
154	persson	425
155	senkov	360	if (LSCPServer::EventSubscribers(rtEvents))
156			{
157	persson	425	LSCPServer::LockRTNotify();
158			std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
159			std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
160			for (; iter != channels.end(); iter++) {
161			SamplerChannel* pSamplerChannel = iter->second;
162			EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
163			if (!pEngineChannel) continue;
164			Engine* pEngine = pEngineChannel->GetEngine();
165			if (!pEngine) continue;
166			LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_voice_count, iter->first, pEngine->VoiceCount()));
167			LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_stream_count, iter->first, pEngine->DiskStreamCount()));
168			LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_buffer_fill, iter->first, pEngine->DiskStreamBufferFillPercentage()));
169	iliev	778	LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, pSampler->GetVoiceCount()));
170	persson	425	}
171			LSCPServer::UnlockRTNotify();
172	senkov	360	}
173
174	senoner	10	}
175
176	schoenebeck	9	return EXIT_SUCCESS;
177			}
178
179	schoenebeck	271	void signal_handler(int iSignal) {
180			switch (iSignal) {
181			case SIGINT: {
182			if (pthread_equal(pthread_self(), main_thread)) {
183			if (pLSCPServer) {
184			pLSCPServer->StopThread();
185			delete pLSCPServer;
186			}
187			if (pSampler) delete pSampler;
188			printf("LinuxSampler stopped due to SIGINT.\n");
189			exit(EXIT_SUCCESS);
190			}
191			return;
192	schoenebeck	53	}
193	schoenebeck	271	case SIGSEGV:
194			std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
195			break;
196			case SIGBUS:
197			std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush;
198			break;
199			case SIGILL:
200			std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush;
201			break;
202			case SIGFPE:
203			std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush;
204			break;
205			case SIGUSR1:
206			std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush;
207			break;
208			case SIGUSR2:
209			std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
210			break;
211			default: { // this should never happen, as we register for the signals we want
212			std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
213			break;
214			}
215	schoenebeck	9	}
216	schoenebeck	271	signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
217			std::cerr << "Showing stack trace...\n" << std::flush;
218			StackTrace();
219			sleep(2);
220			std::cerr << "Killing LinuxSampler...\n" << std::flush;
221			kill_app(); // Use abort() if we want to generate a core dump.
222	schoenebeck	9	}
223
224	schoenebeck	271	void kill_app() {
225	wylder	816	kill(main_pid, SIGKILL);
226	schoenebeck	271	}
227
228	senkov	325	void parse_options(int argc, char **argv) {
229	schoenebeck	9	int res;
230			int option_index = 0;
231			static struct option long_options[] =
232			{
233			{"help",0,0,0},
234	senkov	325	{"version",0,0,0},
235			{"profile",0,0,0},
236			{"no-tune",0,0,0},
237	schoenebeck	420	{"statistics",0,0,0},
238	senkov	667	{"lscp-addr",1,0,0},
239			{"lscp-port",1,0,0},
240	schoenebeck	9	{0,0,0,0}
241			};
242
243			while (true) {
244	schoenebeck	361	/*
245			Stephane Letz : letz@grame.fr
246			getopt_long_only does not exist on OSX : replaced by getopt_long for now.
247			*/
248			res = getopt_long(argc, argv, "", long_options, &option_index);
249	schoenebeck	9	if(res == -1) break;
250			if (res == 0) {
251			switch(option_index) {
252	senkov	325	case 0: // --help
253			printf("usage: linuxsampler [OPTIONS]\n\n");
254			printf("--help prints this message\n");
255			printf("--version prints version information\n");
256			printf("--profile profile synthesis algorithms\n");
257			printf("--no-tune disable assembly optimization\n");
258	senkov	667	printf("--statistics periodically prints statistics\n");
259			printf("--lscp-addr set LSCP address (default: any)\n");
260			printf("--lscp-port set LSCP port (default: 8888)\n");
261	senkov	325	exit(EXIT_SUCCESS);
262	schoenebeck	9	break;
263	senkov	325	case 1: // --version
264	schoenebeck	328	printf("LinuxSampler %s\n", VERSION);
265			exit(EXIT_SUCCESS);
266	schoenebeck	9	break;
267	senkov	325	case 2: // --profile
268	persson	425	profile = true;
269	schoenebeck	20	break;
270	senkov	325	case 3: // --no-tune
271	persson	425	tune = false;
272	schoenebeck	9	break;
273	schoenebeck	420	case 4: // --statistics
274			bPrintStatistics = true;
275			break;
276	senkov	667	case 5: // --lscp-addr
277			struct in_addr addr;
278			if (inet_aton(optarg, &addr) == 0)
279			printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
280			else
281			lscp_addr = addr.s_addr;
282			break;
283			case 6: // --lscp-port
284			long unsigned int port = 0;
285			if ((sscanf(optarg, "%u", &port) != 1) \|\| (port == 0) \|\| (port > 65535))
286			printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
287			else
288			lscp_port = htons(port);
289			break;
290	schoenebeck	9	}
291			}
292			}
293	senkov	325	}