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 - 2007 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
7 |
* * |
* * |
8 |
* This library is free software; you can redistribute it and/or modify * |
* This library 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 * |
26 |
#include "lscpevent.h" |
#include "lscpevent.h" |
27 |
|
|
28 |
#if defined(WIN32) |
#if defined(WIN32) |
29 |
|
#include <windows.h> |
30 |
#else |
#else |
31 |
#include <fcntl.h> |
#include <fcntl.h> |
32 |
#endif |
#endif |
101 |
Mutex LSCPServer::SubscriptionMutex = Mutex(); |
Mutex LSCPServer::SubscriptionMutex = Mutex(); |
102 |
Mutex LSCPServer::RTNotifyMutex = Mutex(); |
Mutex LSCPServer::RTNotifyMutex = Mutex(); |
103 |
|
|
104 |
LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4) { |
LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4), eventHandler(this) { |
105 |
SocketAddress.sin_family = AF_INET; |
SocketAddress.sin_family = AF_INET; |
106 |
SocketAddress.sin_addr.s_addr = addr; |
SocketAddress.sin_addr.s_addr = addr; |
107 |
SocketAddress.sin_port = port; |
SocketAddress.sin_port = port; |
127 |
LSCPEvent::RegisterEvent(LSCPEvent::event_db_instr_info, "DB_INSTRUMENT_INFO"); |
LSCPEvent::RegisterEvent(LSCPEvent::event_db_instr_info, "DB_INSTRUMENT_INFO"); |
128 |
LSCPEvent::RegisterEvent(LSCPEvent::event_db_instrs_job_info, "DB_INSTRUMENTS_JOB_INFO"); |
LSCPEvent::RegisterEvent(LSCPEvent::event_db_instrs_job_info, "DB_INSTRUMENTS_JOB_INFO"); |
129 |
LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS"); |
LSCPEvent::RegisterEvent(LSCPEvent::event_misc, "MISCELLANEOUS"); |
130 |
|
LSCPEvent::RegisterEvent(LSCPEvent::event_total_stream_count, "TOTAL_STREAM_COUNT"); |
131 |
LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT"); |
LSCPEvent::RegisterEvent(LSCPEvent::event_total_voice_count, "TOTAL_VOICE_COUNT"); |
132 |
LSCPEvent::RegisterEvent(LSCPEvent::event_global_info, "GLOBAL_INFO"); |
LSCPEvent::RegisterEvent(LSCPEvent::event_global_info, "GLOBAL_INFO"); |
133 |
|
LSCPEvent::RegisterEvent(LSCPEvent::event_channel_midi, "CHANNEL_MIDI"); |
134 |
hSocket = -1; |
hSocket = -1; |
135 |
} |
} |
136 |
|
|
142 |
#endif |
#endif |
143 |
} |
} |
144 |
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|
145 |
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LSCPServer::EventHandler::EventHandler(LSCPServer* pParent) { |
146 |
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this->pParent = pParent; |
147 |
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} |
148 |
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|
149 |
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LSCPServer::EventHandler::~EventHandler() { |
150 |
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std::vector<midi_listener_entry> l = channelMidiListeners; |
151 |
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channelMidiListeners.clear(); |
152 |
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for (int i = 0; i < l.size(); i++) |
153 |
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delete l[i].pMidiListener; |
154 |
|
} |
155 |
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|
156 |
void LSCPServer::EventHandler::ChannelCountChanged(int NewCount) { |
void LSCPServer::EventHandler::ChannelCountChanged(int NewCount) { |
157 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, NewCount)); |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_channel_count, NewCount)); |
158 |
} |
} |
159 |
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|
160 |
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void LSCPServer::EventHandler::ChannelAdded(SamplerChannel* pChannel) { |
161 |
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pChannel->AddEngineChangeListener(this); |
162 |
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} |
163 |
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|
164 |
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void LSCPServer::EventHandler::ChannelToBeRemoved(SamplerChannel* pChannel) { |
165 |
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if (!pChannel->GetEngineChannel()) return; |
166 |
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EngineToBeChanged(pChannel->Index()); |
167 |
|
} |
168 |
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|
169 |
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void LSCPServer::EventHandler::EngineToBeChanged(int ChannelId) { |
170 |
|
SamplerChannel* pSamplerChannel = |
171 |
|
pParent->pSampler->GetSamplerChannel(ChannelId); |
172 |
|
if (!pSamplerChannel) return; |
173 |
|
EngineChannel* pEngineChannel = |
174 |
|
pSamplerChannel->GetEngineChannel(); |
175 |
|
if (!pEngineChannel) return; |
176 |
|
for (std::vector<midi_listener_entry>::iterator iter = channelMidiListeners.begin(); iter != channelMidiListeners.end(); ++iter) { |
177 |
|
if ((*iter).pEngineChannel == pEngineChannel) { |
178 |
|
VirtualMidiDevice* pMidiListener = (*iter).pMidiListener; |
179 |
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pEngineChannel->Disconnect(pMidiListener); |
180 |
|
channelMidiListeners.erase(iter); |
181 |
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delete pMidiListener; |
182 |
|
return; |
183 |
|
} |
184 |
|
} |
185 |
|
} |
186 |
|
|
187 |
|
void LSCPServer::EventHandler::EngineChanged(int ChannelId) { |
188 |
|
SamplerChannel* pSamplerChannel = |
189 |
|
pParent->pSampler->GetSamplerChannel(ChannelId); |
190 |
|
if (!pSamplerChannel) return; |
191 |
|
EngineChannel* pEngineChannel = |
192 |
|
pSamplerChannel->GetEngineChannel(); |
193 |
|
if (!pEngineChannel) return; |
194 |
|
VirtualMidiDevice* pMidiListener = new VirtualMidiDevice; |
195 |
|
pEngineChannel->Connect(pMidiListener); |
196 |
|
midi_listener_entry entry = { |
197 |
|
pSamplerChannel, pEngineChannel, pMidiListener |
198 |
|
}; |
199 |
|
channelMidiListeners.push_back(entry); |
200 |
|
} |
201 |
|
|
202 |
void LSCPServer::EventHandler::AudioDeviceCountChanged(int NewCount) { |
void LSCPServer::EventHandler::AudioDeviceCountChanged(int NewCount) { |
203 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, NewCount)); |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_audio_device_count, NewCount)); |
204 |
} |
} |
243 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, NewCount)); |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_voice_count, NewCount)); |
244 |
} |
} |
245 |
|
|
246 |
|
void LSCPServer::EventHandler::TotalStreamCountChanged(int NewCount) { |
247 |
|
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_total_stream_count, NewCount)); |
248 |
|
} |
249 |
|
|
250 |
#if HAVE_SQLITE3 |
#if HAVE_SQLITE3 |
251 |
void LSCPServer::DbInstrumentsEventHandler::DirectoryCountChanged(String Dir) { |
void LSCPServer::DbInstrumentsEventHandler::DirectoryCountChanged(String Dir) { |
252 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_count, InstrumentsDb::toEscapedPath(Dir))); |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_db_instr_dir_count, InstrumentsDb::toEscapedPath(Dir))); |
343 |
pSampler->AddVoiceCountListener(&eventHandler); |
pSampler->AddVoiceCountListener(&eventHandler); |
344 |
pSampler->AddStreamCountListener(&eventHandler); |
pSampler->AddStreamCountListener(&eventHandler); |
345 |
pSampler->AddBufferFillListener(&eventHandler); |
pSampler->AddBufferFillListener(&eventHandler); |
346 |
|
pSampler->AddTotalStreamCountListener(&eventHandler); |
347 |
pSampler->AddTotalVoiceCountListener(&eventHandler); |
pSampler->AddTotalVoiceCountListener(&eventHandler); |
348 |
pSampler->AddFxSendCountListener(&eventHandler); |
pSampler->AddFxSendCountListener(&eventHandler); |
349 |
MidiInstrumentMapper::AddMidiInstrumentCountListener(&eventHandler); |
MidiInstrumentMapper::AddMidiInstrumentCountListener(&eventHandler); |
363 |
timeval timeout; |
timeval timeout; |
364 |
|
|
365 |
while (true) { |
while (true) { |
366 |
|
#if CONFIG_PTHREAD_TESTCANCEL |
367 |
|
TestCancel(); |
368 |
|
#endif |
369 |
// check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers |
// check if some engine channel's parameter / status changed, if so notify the respective LSCP event subscribers |
370 |
{ |
{ |
371 |
std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances(); |
std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances(); |
387 |
} |
} |
388 |
} |
} |
389 |
|
|
390 |
|
// check if MIDI data arrived on some engine channel |
391 |
|
for (int i = 0; i < eventHandler.channelMidiListeners.size(); ++i) { |
392 |
|
const EventHandler::midi_listener_entry entry = |
393 |
|
eventHandler.channelMidiListeners[i]; |
394 |
|
VirtualMidiDevice* pMidiListener = entry.pMidiListener; |
395 |
|
if (pMidiListener->NotesChanged()) { |
396 |
|
for (int iNote = 0; iNote < 128; iNote++) { |
397 |
|
if (pMidiListener->NoteChanged(iNote)) { |
398 |
|
const bool bActive = pMidiListener->NoteIsActive(iNote); |
399 |
|
LSCPServer::SendLSCPNotify( |
400 |
|
LSCPEvent( |
401 |
|
LSCPEvent::event_channel_midi, |
402 |
|
entry.pSamplerChannel->Index(), |
403 |
|
std::string(bActive ? "NOTE_ON" : "NOTE_OFF"), |
404 |
|
iNote, |
405 |
|
bActive ? pMidiListener->NoteOnVelocity(iNote) |
406 |
|
: pMidiListener->NoteOffVelocity(iNote) |
407 |
|
) |
408 |
|
); |
409 |
|
} |
410 |
|
} |
411 |
|
} |
412 |
|
} |
413 |
|
|
414 |
//Now let's deliver late notifies (if any) |
//Now let's deliver late notifies (if any) |
415 |
NotifyBufferMutex.Lock(); |
NotifyBufferMutex.Lock(); |
416 |
for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) { |
for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) { |
455 |
std::cerr << "LSCPServer: ioctlsocket: set FIONBIO failed. Error " << WSAGetLastError() << std::endl; |
std::cerr << "LSCPServer: ioctlsocket: set FIONBIO failed. Error " << WSAGetLastError() << std::endl; |
456 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
457 |
} |
} |
458 |
#else |
#else |
459 |
if (fcntl(socket, F_SETFL, O_NONBLOCK)) { |
if (fcntl(socket, F_SETFL, O_NONBLOCK)) { |
460 |
std::cerr << "LSCPServer: F_SETFL O_NONBLOCK failed." << std::endl; |
std::cerr << "LSCPServer: F_SETFL O_NONBLOCK failed." << std::endl; |
461 |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
527 |
NotifyMutex.Unlock(); |
NotifyMutex.Unlock(); |
528 |
} |
} |
529 |
|
|
530 |
|
void LSCPServer::LockRTNotify() { |
531 |
|
RTNotifyMutex.Lock(); |
532 |
|
} |
533 |
|
|
534 |
|
void LSCPServer::UnlockRTNotify() { |
535 |
|
RTNotifyMutex.Unlock(); |
536 |
|
} |
537 |
|
|
538 |
int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) { |
int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) { |
539 |
int subs = 0; |
int subs = 0; |
540 |
SubscriptionMutex.Lock(); |
SubscriptionMutex.Lock(); |
634 |
int wsa_lasterror = WSAGetLastError(); |
int wsa_lasterror = WSAGetLastError(); |
635 |
if (wsa_lasterror == WSAEWOULDBLOCK) //Would block, try again later. |
if (wsa_lasterror == WSAEWOULDBLOCK) //Would block, try again later. |
636 |
return false; |
return false; |
637 |
dmsg(2,("LSCPScanner: Socket error after recv() Error %d.\n", wsa_lasterror)); |
dmsg(2,("LSCPScanner: Socket error after recv() Error %d.\n", wsa_lasterror)); |
638 |
CloseConnection(iter); |
CloseConnection(iter); |
639 |
break; |
break; |
640 |
} |
} |
2442 |
} |
} |
2443 |
|
|
2444 |
/** |
/** |
2445 |
|
* Will be called by the parser to return the current number of all active streams. |
2446 |
|
*/ |
2447 |
|
String LSCPServer::GetTotalStreamCount() { |
2448 |
|
dmsg(2,("LSCPServer: GetTotalStreamCount()\n")); |
2449 |
|
LSCPResultSet result; |
2450 |
|
result.Add(pSampler->GetDiskStreamCount()); |
2451 |
|
return result.Produce(); |
2452 |
|
} |
2453 |
|
|
2454 |
|
/** |
2455 |
* Will be called by the parser to return the current number of all active voices. |
* Will be called by the parser to return the current number of all active voices. |
2456 |
*/ |
*/ |
2457 |
String LSCPServer::GetTotalVoiceCount() { |
String LSCPServer::GetTotalVoiceCount() { |
2490 |
} |
} |
2491 |
|
|
2492 |
String LSCPServer::GetFileInstruments(String Filename) { |
String LSCPServer::GetFileInstruments(String Filename) { |
2493 |
|
dmsg(2,("LSCPServer: GetFileInstruments(String Filename=%s)\n",Filename.c_str())); |
2494 |
LSCPResultSet result; |
LSCPResultSet result; |
2495 |
|
try { |
2496 |
|
VerifyFile(Filename); |
2497 |
|
} catch (Exception e) { |
2498 |
|
result.Error(e); |
2499 |
|
return result.Produce(); |
2500 |
|
} |
2501 |
// try to find a sampler engine that can handle the file |
// try to find a sampler engine that can handle the file |
2502 |
bool bFound = false; |
bool bFound = false; |
2503 |
std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes(); |
std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes(); |
2520 |
} |
} |
2521 |
if (pEngine) EngineFactory::Destroy(pEngine); |
if (pEngine) EngineFactory::Destroy(pEngine); |
2522 |
} |
} |
2523 |
|
|
2524 |
|
if (!bFound) result.Error("Unknown file format"); |
2525 |
return result.Produce(); |
return result.Produce(); |
2526 |
} |
} |
2527 |
|
|
2528 |
String LSCPServer::ListFileInstruments(String Filename) { |
String LSCPServer::ListFileInstruments(String Filename) { |
2529 |
|
dmsg(2,("LSCPServer: ListFileInstruments(String Filename=%s)\n",Filename.c_str())); |
2530 |
LSCPResultSet result; |
LSCPResultSet result; |
2531 |
|
try { |
2532 |
|
VerifyFile(Filename); |
2533 |
|
} catch (Exception e) { |
2534 |
|
result.Error(e); |
2535 |
|
return result.Produce(); |
2536 |
|
} |
2537 |
// try to find a sampler engine that can handle the file |
// try to find a sampler engine that can handle the file |
2538 |
bool bFound = false; |
bool bFound = false; |
2539 |
std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes(); |
std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes(); |
2561 |
} |
} |
2562 |
if (pEngine) EngineFactory::Destroy(pEngine); |
if (pEngine) EngineFactory::Destroy(pEngine); |
2563 |
} |
} |
2564 |
|
|
2565 |
|
if (!bFound) result.Error("Unknown file format"); |
2566 |
return result.Produce(); |
return result.Produce(); |
2567 |
} |
} |
2568 |
|
|
2569 |
String LSCPServer::GetFileInstrumentInfo(String Filename, uint InstrumentID) { |
String LSCPServer::GetFileInstrumentInfo(String Filename, uint InstrumentID) { |
2570 |
|
dmsg(2,("LSCPServer: GetFileInstrumentInfo(String Filename=%s, InstrumentID=%d)\n",Filename.c_str(),InstrumentID)); |
2571 |
LSCPResultSet result; |
LSCPResultSet result; |
2572 |
|
try { |
2573 |
|
VerifyFile(Filename); |
2574 |
|
} catch (Exception e) { |
2575 |
|
result.Error(e); |
2576 |
|
return result.Produce(); |
2577 |
|
} |
2578 |
InstrumentManager::instrument_id_t id; |
InstrumentManager::instrument_id_t id; |
2579 |
id.FileName = Filename; |
id.FileName = Filename; |
2580 |
id.Index = InstrumentID; |
id.Index = InstrumentID; |
2581 |
// try to find a sampler engine that can handle the file |
// try to find a sampler engine that can handle the file |
2582 |
bool bFound = false; |
bool bFound = false; |
2583 |
|
bool bFatalErr = false; |
2584 |
std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes(); |
std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes(); |
2585 |
for (int i = 0; !bFound && i < engineTypes.size(); i++) { |
for (int i = 0; !bFound && !bFatalErr && i < engineTypes.size(); i++) { |
2586 |
Engine* pEngine = NULL; |
Engine* pEngine = NULL; |
2587 |
try { |
try { |
2588 |
pEngine = EngineFactory::Create(engineTypes[i]); |
pEngine = EngineFactory::Create(engineTypes[i]); |
2589 |
if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine"); |
if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine"); |
2590 |
InstrumentManager* pManager = pEngine->GetInstrumentManager(); |
InstrumentManager* pManager = pEngine->GetInstrumentManager(); |
2591 |
if (pManager) { |
if (pManager) { |
2592 |
|
// check if the instrument index is valid |
2593 |
|
// FIXME: this won't work if an engine only supports parts of the instrument file |
2594 |
|
std::vector<InstrumentManager::instrument_id_t> IDs = |
2595 |
|
pManager->GetInstrumentFileContent(Filename); |
2596 |
|
if (std::find(IDs.begin(), IDs.end(), id) == IDs.end()) { |
2597 |
|
std::stringstream ss; |
2598 |
|
ss << "Invalid instrument index " << InstrumentID << " for instrument file '" << Filename << "'"; |
2599 |
|
bFatalErr = true; |
2600 |
|
throw Exception(ss.str()); |
2601 |
|
} |
2602 |
|
// get the info of the requested instrument |
2603 |
InstrumentManager::instrument_info_t info = |
InstrumentManager::instrument_info_t info = |
2604 |
pManager->GetInstrumentInfo(id); |
pManager->GetInstrumentInfo(id); |
2605 |
// return detailed informations about the file |
// return detailed informations about the file |
2606 |
result.Add("NAME", info.InstrumentName); |
result.Add("NAME", info.InstrumentName); |
2607 |
result.Add("FORMAT_NAME", engineTypes[i]); |
result.Add("FORMAT_FAMILY", engineTypes[i]); |
2608 |
result.Add("FORMAT_VERSION", info.FormatVersion); |
result.Add("FORMAT_VERSION", info.FormatVersion); |
2609 |
result.Add("PRODUCT", info.Product); |
result.Add("PRODUCT", info.Product); |
2610 |
result.Add("ARTISTS", info.Artists); |
result.Add("ARTISTS", info.Artists); |
2612 |
bFound = true; |
bFound = true; |
2613 |
} else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str())); |
} else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str())); |
2614 |
} catch (Exception e) { |
} catch (Exception e) { |
2615 |
// NOOP, as exception is thrown if engine doesn't support file |
// usually NOOP, as exception is thrown if engine doesn't support file |
2616 |
|
if (bFatalErr) result.Error(e); |
2617 |
} |
} |
2618 |
if (pEngine) EngineFactory::Destroy(pEngine); |
if (pEngine) EngineFactory::Destroy(pEngine); |
2619 |
} |
} |
2620 |
|
|
2621 |
|
if (!bFound && !bFatalErr) result.Error("Unknown file format"); |
2622 |
return result.Produce(); |
return result.Produce(); |
2623 |
} |
} |
2624 |
|
|
2625 |
|
void LSCPServer::VerifyFile(String Filename) { |
2626 |
|
#if WIN32 |
2627 |
|
WIN32_FIND_DATA win32FileAttributeData; |
2628 |
|
BOOL res = GetFileAttributesEx( Filename.c_str(), GetFileExInfoStandard, &win32FileAttributeData ); |
2629 |
|
if (!res) { |
2630 |
|
std::stringstream ss; |
2631 |
|
ss << "File does not exist, GetFileAttributesEx failed `" << Filename << "`: Error " << GetLastError(); |
2632 |
|
throw Exception(ss.str()); |
2633 |
|
} |
2634 |
|
if ( win32FileAttributeData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) { |
2635 |
|
throw Exception("Directory is specified"); |
2636 |
|
} |
2637 |
|
#else |
2638 |
|
struct stat statBuf; |
2639 |
|
int res = stat(Filename.c_str(), &statBuf); |
2640 |
|
if (res) { |
2641 |
|
std::stringstream ss; |
2642 |
|
ss << "Fail to stat `" << Filename << "`: " << strerror(errno); |
2643 |
|
throw Exception(ss.str()); |
2644 |
|
} |
2645 |
|
|
2646 |
|
if (S_ISDIR(statBuf.st_mode)) { |
2647 |
|
throw Exception("Directory is specified"); |
2648 |
|
} |
2649 |
|
#endif |
2650 |
|
} |
2651 |
|
|
2652 |
/** |
/** |
2653 |
* Will be called by the parser to subscribe a client (frontend) on the |
* Will be called by the parser to subscribe a client (frontend) on the |
2654 |
* server for receiving event messages. |
* server for receiving event messages. |