trunk/src/linuxsampler.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck    *
 *   Copyright (C) 2005-2009 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>

#if defined(WIN32)
// require at least Windows 2000 for the GlobalMemoryStatusEx() call
#if _WIN32_WINNT < 0x0500
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define _WIN32_WINNT 0x0500
#endif
#endif

#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"
#include "common/atomic.h"

using namespace LinuxSampler;

Sampler*    pSampler    = NULL;
LSCPServer* pLSCPServer = NULL;
#if defined(WIN32)
// inet_aton seems missing under WIN32
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif

int inet_aton(const char *cp, struct in_addr *addr)
{
    addr->s_addr = inet_addr(cp);
    return (addr->s_addr == INADDR_NONE) ? 0 : 1;
}

#else
pid_t       main_pid;
#endif
bool bPrintStatistics = false;
bool profile = false;
bool tune = true;
static bool bShowStackTrace = false;
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();
static atomic_t running = ATOMIC_INIT(1);

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

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

    #if !defined(WIN32)
    main_pid = getpid();
    #endif

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

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

    // initialize the stack trace mechanism with our binary file
    // (if requested by command line option)
    if (bShowStackTrace) {
        #if defined(WIN32)
        // FIXME: sigaction() not supported on WIN32, we ignore it for now
        #else
        StackTraceInit(argv[0], -1);
        // 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);
        #endif
    }

    dmsg(1,("LinuxSampler %s\n", VERSION));
    dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
    dmsg(1,("Copyright (C) 2005-2009 Christian Schoenebeck\n"));

    #if defined(WIN32)
    #if 0
    // some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
    SYSTEM_INFO siSysInfo;
    long physical_memory;
    GetSystemInfo(&siSysInfo);
    dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));

    MEMORYSTATUSEX statex;
        statex.dwLength = sizeof (statex);
    GlobalMemoryStatusEx (&statex);
    dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
          8, statex.ullTotalPhys));
    dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
          8, statex.ullAvailPhys));
    physical_memory = statex.ullTotalPhys;

    HANDLE hProcess = GetCurrentProcess();

    unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize;
    unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize;
    unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize;
    int res;

    res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize);

    RequestedMaximumWorkingSetSize = physical_memory - 2*1024*1024;
    RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize;

    for(;;) {
        dmsg(2,("TRYING VALUES  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
        res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize);
        dmsg(2,("AFTER SET: res = %d  RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));

        res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize);
        dmsg(2,("AFTER GET: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));

        if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) {
            dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n"));
            break;
        }

        RequestedMinimumWorkingSetSize -=  10*1024*1024;
        if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
    }

    dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d  MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
    #endif
    #endif // WIN32

    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();
    }

    dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));

    // 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");

    while (atomic_read(&running)) {
        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);
            }
        }

        pSampler->fireStatistics();
    }
    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;
    printf("LinuxSampler stopped due to SIGINT.\n");
    return EXIT_SUCCESS;
}

void signal_handler(int iSignal) {
    switch (iSignal) {
        case SIGINT:
            atomic_set(&running, 0);
            return;
        #if defined(WIN32)
        // FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
        #else
        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;
        #endif
        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
    if (bShowStackTrace) {
        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() {
    #if defined(WIN32)
    // FIXME: do we need to do anything at this point under WIN32 ?  is exit(0) ok ?
    exit(0);
    #else
    kill(main_pid, SIGKILL);
    #endif
}

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},
            {"stacktrace",0,0,0},
            {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");
                    printf("--stacktrace                automatically shows stacktrace if crashes\n");
                    printf("                            (broken on most systems at the moment)\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));
                            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;
                }
                case 9: // --stacktrace
                    bShowStackTrace = true;
                    break;
            }
        }
    }
}
1	schoenebeck	9	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	persson	1644	* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck *
6	schoenebeck	1830	* Copyright (C) 2005-2009 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	senoner	1502	#if defined(WIN32)
28			// require at least Windows 2000 for the GlobalMemoryStatusEx() call
29	persson	1895	#if _WIN32_WINNT < 0x0500
30			#ifdef _WIN32_WINNT
31			#undef _WIN32_WINNT
32			#endif
33	senoner	1502	#define _WIN32_WINNT 0x0500
34			#endif
35	persson	1895	#endif
36	senoner	1502
37	schoenebeck	53	#include "Sampler.h"
38	schoenebeck	1424	#include "common/global_private.h"
39	schoenebeck	420	#include "engines/EngineFactory.h"
40	schoenebeck	1375	#include "plugins/InstrumentEditorFactory.h"
41	schoenebeck	207	#include "drivers/midi/MidiInputDeviceFactory.h"
42	schoenebeck	203	#include "drivers/audio/AudioOutputDeviceFactory.h"
43	senkov	325	#include "engines/gig/Profiler.h"
44	schoenebeck	35	#include "network/lscpserver.h"
45	schoenebeck	271	#include "common/stacktrace.h"
46	schoenebeck	319	#include "common/Features.h"
47	persson	1534	#include "common/atomic.h"
48	schoenebeck	9
49	schoenebeck	53	using namespace LinuxSampler;
50
51	schoenebeck	211	Sampler* pSampler = NULL;
52			LSCPServer* pLSCPServer = NULL;
53	senoner	1502	#if defined(WIN32)
54			// inet_aton seems missing under WIN32
55			#ifndef INADDR_NONE
56			#define INADDR_NONE 0xffffffff
57			#endif
58
59			int inet_aton(const char cp, struct in_addr addr)
60			{
61			addr->s_addr = inet_addr(cp);
62			return (addr->s_addr == INADDR_NONE) ? 0 : 1;
63			}
64
65			#else
66	wylder	816	pid_t main_pid;
67	senoner	1502	#endif
68	schoenebeck	420	bool bPrintStatistics = false;
69	senkov	325	bool profile = false;
70			bool tune = true;
71	schoenebeck	1830	static bool bShowStackTrace = false;
72	senkov	667	unsigned long int lscp_addr;
73			unsigned short int lscp_port;
74	schoenebeck	9
75			void parse_options(int argc, char **argv);
76			void signal_handler(int signal);
77	schoenebeck	271	void kill_app();
78	persson	1534	static atomic_t running = ATOMIC_INIT(1);
79	schoenebeck	9
80			int main(int argc, char **argv) {
81
82	schoenebeck	1830	lscp_addr = htonl(LSCP_ADDR);
83			lscp_port = htons(LSCP_PORT);
84
85			#if !defined(WIN32)
86			main_pid = getpid();
87			#endif
88
89			// parse and assign command line options
90			parse_options(argc, argv);
91
92			// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
93			signal(SIGINT, signal_handler);
94
95	schoenebeck	271	// initialize the stack trace mechanism with our binary file
96	schoenebeck	1830	// (if requested by command line option)
97			if (bShowStackTrace) {
98			#if defined(WIN32)
99			// FIXME: sigaction() not supported on WIN32, we ignore it for now
100			#else
101			StackTraceInit(argv[0], -1);
102			// register signal handler for all unusual signals
103			// (we will print the stack trace and exit)
104			struct sigaction sact;
105			sigemptyset(&sact.sa_mask);
106			sact.sa_flags = 0;
107			sact.sa_handler = signal_handler;
108			sigaction(SIGSEGV, &sact, NULL);
109			sigaction(SIGBUS, &sact, NULL);
110			sigaction(SIGILL, &sact, NULL);
111			sigaction(SIGFPE, &sact, NULL);
112			sigaction(SIGUSR1, &sact, NULL);
113			sigaction(SIGUSR2, &sact, NULL);
114			#endif
115			}
116	schoenebeck	271
117	schoenebeck	1830	dmsg(1,("LinuxSampler %s\n", VERSION));
118			dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
119			dmsg(1,("Copyright (C) 2005-2009 Christian Schoenebeck\n"));
120
121	senoner	1502	#if defined(WIN32)
122	persson	1888	#if 0
123	senoner	1502	// some WIN32 memory info code which tries to determine the maximum lockable amount of memory (for debug purposes)
124			SYSTEM_INFO siSysInfo;
125			long physical_memory;
126			GetSystemInfo(&siSysInfo);
127	persson	1888	dmsg(2,("page size=%d\n", siSysInfo.dwPageSize));
128	senoner	1502
129			MEMORYSTATUSEX statex;
130			statex.dwLength = sizeof (statex);
131			GlobalMemoryStatusEx (&statex);
132	persson	1888	dmsg(2, ("There are %*I64d total Kbytes of physical memory.\n",
133	senoner	1502	8, statex.ullTotalPhys));
134	persson	1888	dmsg(2, ("There are %*I64d free Kbytes of physical memory.\n",
135	senoner	1502	8, statex.ullAvailPhys));
136			physical_memory = statex.ullTotalPhys;
137
138			HANDLE hProcess = GetCurrentProcess();
139
140			unsigned long MinimumWorkingSetSize, MaximumWorkingSetSize;
141			unsigned long DefaultMinimumWorkingSetSize, DefaultMaximumWorkingSetSize;
142			unsigned long RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize;
143			int res;
144
145			res = GetProcessWorkingSetSize(hProcess, &DefaultMinimumWorkingSetSize, &DefaultMaximumWorkingSetSize);
146
147			RequestedMaximumWorkingSetSize = physical_memory - 210241024;
148			RequestedMinimumWorkingSetSize = RequestedMaximumWorkingSetSize;
149
150			for(;;) {
151			dmsg(2,("TRYING VALUES RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
152			res = SetProcessWorkingSetSize(hProcess, RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize);
153			dmsg(2,("AFTER SET: res = %d RequestedMinimumWorkingSetSize=%d, RequestedMaximumWorkingSetSize=%d\n", res,RequestedMinimumWorkingSetSize, RequestedMaximumWorkingSetSize));
154
155			res = GetProcessWorkingSetSize(hProcess, &MinimumWorkingSetSize, &MaximumWorkingSetSize);
156			dmsg(2,("AFTER GET: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
157
158			if( RequestedMinimumWorkingSetSize == MinimumWorkingSetSize ) {
159			dmsg(2,("RequestedMinimumWorkingSetSize == MinimumWorkingSetSize. OK !\n"));
160			break;
161			}
162
163			RequestedMinimumWorkingSetSize -= 1010241024;
164			if(RequestedMinimumWorkingSetSize < DefaultMinimumWorkingSetSize) break;
165			}
166
167	persson	1888	dmsg(2,("AFTER GetProcessWorkingSetSize: res = %d MinimumWorkingSetSize=%d, MaximumWorkingSetSize=%d\n", res,MinimumWorkingSetSize, MaximumWorkingSetSize));
168			#endif
169	schoenebeck	1830	#endif // WIN32
170	senoner	1502
171	schoenebeck	579	if (tune) {
172	persson	425	// detect and print system / CPU specific features
173			Features::detect();
174	schoenebeck	579	dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
175			// prevent slow denormal FPU modes
176			Features::enableDenormalsAreZeroMode();
177	senkov	325	}
178	schoenebeck	319
179	schoenebeck	1830	dmsg(1,("Automatic Stacktrace: %s\n", (bShowStackTrace) ? "On" : "Off"));
180
181	schoenebeck	53	// create LinuxSampler instance
182	schoenebeck	123	dmsg(1,("Creating Sampler..."));
183	schoenebeck	53	pSampler = new Sampler;
184	schoenebeck	123	dmsg(1,("OK\n"));
185	schoenebeck	53
186	schoenebeck	900	dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
187	schoenebeck	207	dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
188	schoenebeck	123	dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
189	schoenebeck	1212	dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
190	schoenebeck	123
191	schoenebeck	53	// start LSCP network server
192	senkov	667	struct in_addr addr;
193			addr.s_addr = lscp_addr;
194			dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
195			pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
196	schoenebeck	53	pLSCPServer->StartThread();
197	schoenebeck	211	pLSCPServer->WaitUntilInitialized();
198	schoenebeck	12	dmsg(1,("OK\n"));
199	schoenebeck	9
200	senkov	325	if (profile)
201			{
202	persson	425	dmsg(1,("Calibrating profiler..."));
203	iliev	1161	LinuxSampler::gig::Profiler::Calibrate();
204			LinuxSampler::gig::Profiler::Reset();
205			LinuxSampler::gig::Profiler::enable();
206	persson	425	dmsg(1,("OK\n"));
207	senkov	325	}
208
209	schoenebeck	563	printf("LinuxSampler initialization completed. :-)\n\n");
210	schoenebeck	9
211	persson	1534	while (atomic_read(&running)) {
212	schoenebeck	420	if (bPrintStatistics) {
213	persson	840	const std::set<Engine*>& engines = EngineFactory::EngineInstances();
214	schoenebeck	420	std::set<Engine*>::iterator itEngine = engines.begin();
215			for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
216			Engine* pEngine = *itEngine;
217			printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
218			pEngine->VoiceCount(), pEngine->VoiceCountMax(),
219			pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
220			);
221			fflush(stdout);
222			}
223			}
224	persson	425
225	persson	1534	sleep(1);
226			if (profile)
227			{
228			unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
229			unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
230			if (bv != 0)
231			{
232			printf(" BogoVoices: %i \r", bv);
233			fflush(stdout);
234			}
235			}
236	persson	425
237	persson	1765	pSampler->fireStatistics();
238	senoner	10	}
239	persson	1534	if (pLSCPServer) pLSCPServer->StopThread();
240			// the delete order here is important: the Sampler
241			// destructor sends notifications to the lscpserver
242			if (pSampler) delete pSampler;
243			if (pLSCPServer) delete pLSCPServer;
244			printf("LinuxSampler stopped due to SIGINT.\n");
245	schoenebeck	9	return EXIT_SUCCESS;
246			}
247
248	schoenebeck	271	void signal_handler(int iSignal) {
249			switch (iSignal) {
250	persson	1534	case SIGINT:
251			atomic_set(&running, 0);
252	schoenebeck	271	return;
253	senoner	1502	#if defined(WIN32)
254			// FIXME: under WIN32 we ignore the signals below due to the missing sigaction call
255			#else
256	schoenebeck	271	case SIGSEGV:
257			std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
258			break;
259			case SIGBUS:
260			std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush;
261			break;
262			case SIGILL:
263			std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush;
264			break;
265			case SIGFPE:
266			std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush;
267			break;
268			case SIGUSR1:
269			std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush;
270			break;
271			case SIGUSR2:
272			std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
273			break;
274	senoner	1502	#endif
275	schoenebeck	271	default: { // this should never happen, as we register for the signals we want
276			std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
277			break;
278			}
279	schoenebeck	9	}
280	schoenebeck	271	signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
281	schoenebeck	1830	if (bShowStackTrace) {
282			std::cerr << "Showing stack trace...\n" << std::flush;
283			StackTrace();
284			sleep(2);
285			}
286	schoenebeck	271	std::cerr << "Killing LinuxSampler...\n" << std::flush;
287			kill_app(); // Use abort() if we want to generate a core dump.
288	schoenebeck	9	}
289
290	schoenebeck	271	void kill_app() {
291	senoner	1502	#if defined(WIN32)
292			// FIXME: do we need to do anything at this point under WIN32 ? is exit(0) ok ?
293			exit(0);
294			#else
295	wylder	816	kill(main_pid, SIGKILL);
296	senoner	1502	#endif
297	schoenebeck	271	}
298
299	senkov	325	void parse_options(int argc, char **argv) {
300	schoenebeck	9	int res;
301			int option_index = 0;
302			static struct option long_options[] =
303			{
304			{"help",0,0,0},
305	senkov	325	{"version",0,0,0},
306			{"profile",0,0,0},
307			{"no-tune",0,0,0},
308	schoenebeck	420	{"statistics",0,0,0},
309	iliev	1208	{"instruments-db-location",1,0,0},
310	iliev	1187	{"create-instruments-db",1,0,0},
311	senkov	667	{"lscp-addr",1,0,0},
312			{"lscp-port",1,0,0},
313	schoenebeck	1830	{"stacktrace",0,0,0},
314	schoenebeck	9	{0,0,0,0}
315			};
316
317			while (true) {
318	schoenebeck	361	/*
319			Stephane Letz : letz@grame.fr
320			getopt_long_only does not exist on OSX : replaced by getopt_long for now.
321			*/
322			res = getopt_long(argc, argv, "", long_options, &option_index);
323	schoenebeck	9	if(res == -1) break;
324			if (res == 0) {
325			switch(option_index) {
326	senkov	325	case 0: // --help
327			printf("usage: linuxsampler [OPTIONS]\n\n");
328	iliev	1208	printf("--help prints this message\n");
329			printf("--version prints version information\n");
330			printf("--profile profile synthesis algorithms\n");
331			printf("--no-tune disable assembly optimization\n");
332			printf("--statistics periodically prints statistics\n");
333			printf("--lscp-addr set LSCP address (default: any)\n");
334			printf("--lscp-port set LSCP port (default: 8888)\n");
335			printf("--create-instruments-db creates an instruments DB\n");
336			printf("--instruments-db-location specifies the instruments DB file\n");
337	schoenebeck	1830	printf("--stacktrace automatically shows stacktrace if crashes\n");
338			printf(" (broken on most systems at the moment)\n");
339	senkov	325	exit(EXIT_SUCCESS);
340	schoenebeck	9	break;
341	senkov	325	case 1: // --version
342	schoenebeck	328	printf("LinuxSampler %s\n", VERSION);
343			exit(EXIT_SUCCESS);
344	schoenebeck	9	break;
345	senkov	325	case 2: // --profile
346	persson	425	profile = true;
347	schoenebeck	20	break;
348	senkov	325	case 3: // --no-tune
349	persson	425	tune = false;
350	schoenebeck	9	break;
351	schoenebeck	420	case 4: // --statistics
352			bPrintStatistics = true;
353			break;
354	iliev	1208	case 5: // --instruments-db-location
355	iliev	1187	#if HAVE_SQLITE3
356			try {
357			if (optarg) {
358	iliev	1208	struct stat statBuf;
359			int res = stat(optarg, &statBuf);
360
361			if (res) {
362			std::stringstream ss;
363	schoenebeck	1364	ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
364	iliev	1208	throw Exception(ss.str());
365			}
366
367			if (!S_ISREG(statBuf.st_mode)) {
368			std::stringstream ss;
369			ss << "`" << optarg << "` is not a regular file";
370			throw Exception(ss.str());
371			}
372
373			InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
374			}
375			} catch(Exception e) {
376	schoenebeck	1364	std::cerr << "Could not open instruments DB file: "
377			<< e.Message() << std::endl;
378			exit(EXIT_FAILURE);
379	iliev	1208	}
380	schoenebeck	1364	break;
381	iliev	1208	#else
382			std::cerr << "LinuxSampler was not build with ";
383	schoenebeck	1364	std::cerr << "instruments database support!\n";
384			exit(EXIT_FAILURE);
385			break;
386			#endif
387	iliev	1208	case 6: // --create-instruments-db
388			#if HAVE_SQLITE3
389			try {
390			if (optarg) {
391	iliev	1187	std::cout << "Creating instruments database..." << std::endl;
392			InstrumentsDb::CreateInstrumentsDb(String(optarg));
393			std::cout << "Done" << std::endl;
394			}
395			} catch(Exception e) {
396			std::cerr << e.Message() << std::endl;
397			exit(EXIT_FAILURE);
398			return;
399			}
400
401			exit(EXIT_SUCCESS);
402			return;
403			#else
404			std::cerr << "Failed to create the database. LinuxSampler was ";
405	schoenebeck	1364	std::cerr << "not build with instruments database support!\n";
406	iliev	1187	exit(EXIT_FAILURE);
407			return;
408	schoenebeck	1364	#endif
409	schoenebeck	1830	case 7: { // --lscp-addr
410	iliev	1187	struct in_addr addr;
411			if (inet_aton(optarg, &addr) == 0)
412			printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
413			else
414			lscp_addr = addr.s_addr;
415	senkov	667	break;
416	schoenebeck	1830	}
417			case 8: {// --lscp-port
418	iliev	1187	long unsigned int port = 0;
419			if ((sscanf(optarg, "%u", &port) != 1) \|\| (port == 0) \|\| (port > 65535))
420			printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
421			else
422			lscp_port = htons(port);
423	senkov	667	break;
424	schoenebeck	1830	}
425			case 9: // --stacktrace
426			bShowStackTrace = true;
427			break;
428	schoenebeck	9	}
429			}
430			}
431	senkov	325	}