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 - 2012 Christian Schoenebeck * |
* Copyright (C) 2005 - 2013 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 * |
97 |
*/ |
*/ |
98 |
fd_set LSCPServer::fdSet; |
fd_set LSCPServer::fdSet; |
99 |
int LSCPServer::currentSocket = -1; |
int LSCPServer::currentSocket = -1; |
100 |
std::vector<yyparse_param_t> LSCPServer::Sessions = std::vector<yyparse_param_t>(); |
std::vector<yyparse_param_t> LSCPServer::Sessions; |
101 |
std::vector<yyparse_param_t>::iterator itCurrentSession = std::vector<yyparse_param_t>::iterator(); |
std::vector<yyparse_param_t>::iterator itCurrentSession; |
102 |
std::map<int,String> LSCPServer::bufferedNotifies = std::map<int,String>(); |
std::map<int,String> LSCPServer::bufferedNotifies; |
103 |
std::map<int,String> LSCPServer::bufferedCommands = std::map<int,String>(); |
std::map<int,String> LSCPServer::bufferedCommands; |
104 |
std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions = std::map< LSCPEvent::event_t, std::list<int> >(); |
std::map< LSCPEvent::event_t, std::list<int> > LSCPServer::eventSubscriptions; |
105 |
Mutex LSCPServer::NotifyMutex = Mutex(); |
Mutex LSCPServer::NotifyMutex; |
106 |
Mutex LSCPServer::NotifyBufferMutex = Mutex(); |
Mutex LSCPServer::NotifyBufferMutex; |
107 |
Mutex LSCPServer::SubscriptionMutex = Mutex(); |
Mutex LSCPServer::SubscriptionMutex; |
108 |
Mutex LSCPServer::RTNotifyMutex = Mutex(); |
Mutex LSCPServer::RTNotifyMutex; |
109 |
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|
110 |
LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4), eventHandler(this) { |
LSCPServer::LSCPServer(Sampler* pSampler, long int addr, short int port) : Thread(true, false, 0, -4), eventHandler(this) { |
111 |
SocketAddress.sin_family = AF_INET; |
SocketAddress.sin_family = AF_INET; |
447 |
#endif |
#endif |
448 |
// 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 |
449 |
{ |
{ |
450 |
EngineChannelFactory::EngineChannelsMutex.Lock(); |
LockGuard lock(EngineChannelFactory::EngineChannelsMutex); |
451 |
std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances(); |
std::set<EngineChannel*> engineChannels = EngineChannelFactory::EngineChannelInstances(); |
452 |
std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin(); |
std::set<EngineChannel*>::iterator itEngineChannel = engineChannels.begin(); |
453 |
std::set<EngineChannel*>::iterator itEnd = engineChannels.end(); |
std::set<EngineChannel*>::iterator itEnd = engineChannels.end(); |
465 |
} |
} |
466 |
} |
} |
467 |
} |
} |
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EngineChannelFactory::EngineChannelsMutex.Unlock(); |
|
468 |
} |
} |
469 |
|
|
470 |
// check if MIDI data arrived on some engine channel |
// check if MIDI data arrived on some engine channel |
516 |
} |
} |
517 |
} |
} |
518 |
|
|
519 |
//Now let's deliver late notifies (if any) |
//Now let's deliver late notifies (if any) |
520 |
NotifyBufferMutex.Lock(); |
{ |
521 |
for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) { |
LockGuard lock(NotifyBufferMutex); |
522 |
|
for (std::map<int,String>::iterator iterNotify = bufferedNotifies.begin(); iterNotify != bufferedNotifies.end(); iterNotify++) { |
523 |
#ifdef MSG_NOSIGNAL |
#ifdef MSG_NOSIGNAL |
524 |
send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), MSG_NOSIGNAL); |
send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), MSG_NOSIGNAL); |
525 |
#else |
#else |
526 |
send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), 0); |
send(iterNotify->first, iterNotify->second.c_str(), iterNotify->second.size(), 0); |
527 |
#endif |
#endif |
528 |
} |
} |
529 |
bufferedNotifies.clear(); |
bufferedNotifies.clear(); |
530 |
NotifyBufferMutex.Unlock(); |
} |
531 |
|
|
532 |
fd_set selectSet = fdSet; |
fd_set selectSet = fdSet; |
533 |
timeout.tv_sec = 0; |
timeout.tv_sec = 0; |
624 |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Client connection terminated on socket", socket)); |
LSCPServer::SendLSCPNotify(LSCPEvent(LSCPEvent::event_misc, "Client connection terminated on socket", socket)); |
625 |
Sessions.erase(iter); |
Sessions.erase(iter); |
626 |
FD_CLR(socket, &fdSet); |
FD_CLR(socket, &fdSet); |
627 |
SubscriptionMutex.Lock(); //Must unsubscribe this socket from all events (if any) |
{ |
628 |
for (std::map< LSCPEvent::event_t, std::list<int> >::iterator iter = eventSubscriptions.begin(); iter != eventSubscriptions.end(); iter++) { |
LockGuard lock(SubscriptionMutex); |
629 |
iter->second.remove(socket); |
// Must unsubscribe this socket from all events (if any) |
630 |
} |
for (std::map< LSCPEvent::event_t, std::list<int> >::iterator iter = eventSubscriptions.begin(); iter != eventSubscriptions.end(); iter++) { |
631 |
SubscriptionMutex.Unlock(); |
iter->second.remove(socket); |
632 |
NotifyMutex.Lock(); |
} |
633 |
|
} |
634 |
|
LockGuard lock(NotifyMutex); |
635 |
bufferedCommands.erase(socket); |
bufferedCommands.erase(socket); |
636 |
bufferedNotifies.erase(socket); |
bufferedNotifies.erase(socket); |
637 |
#if defined(WIN32) |
#if defined(WIN32) |
639 |
#else |
#else |
640 |
close(socket); |
close(socket); |
641 |
#endif |
#endif |
|
NotifyMutex.Unlock(); |
|
642 |
} |
} |
643 |
|
|
644 |
void LSCPServer::CloseAllConnections() { |
void LSCPServer::CloseAllConnections() { |
649 |
} |
} |
650 |
} |
} |
651 |
|
|
|
void LSCPServer::LockRTNotify() { |
|
|
RTNotifyMutex.Lock(); |
|
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} |
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|
|
|
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void LSCPServer::UnlockRTNotify() { |
|
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RTNotifyMutex.Unlock(); |
|
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} |
|
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|
652 |
int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) { |
int LSCPServer::EventSubscribers( std::list<LSCPEvent::event_t> events ) { |
653 |
int subs = 0; |
int subs = 0; |
654 |
SubscriptionMutex.Lock(); |
LockGuard lock(SubscriptionMutex); |
655 |
for( std::list<LSCPEvent::event_t>::iterator iter = events.begin(); |
for( std::list<LSCPEvent::event_t>::iterator iter = events.begin(); |
656 |
iter != events.end(); iter++) |
iter != events.end(); iter++) |
657 |
{ |
{ |
658 |
subs += eventSubscriptions.count(*iter); |
subs += eventSubscriptions.count(*iter); |
659 |
} |
} |
|
SubscriptionMutex.Unlock(); |
|
660 |
return subs; |
return subs; |
661 |
} |
} |
662 |
|
|
663 |
void LSCPServer::SendLSCPNotify( LSCPEvent event ) { |
void LSCPServer::SendLSCPNotify( LSCPEvent event ) { |
664 |
SubscriptionMutex.Lock(); |
LockGuard lock(SubscriptionMutex); |
665 |
if (eventSubscriptions.count(event.GetType()) == 0) { |
if (eventSubscriptions.count(event.GetType()) == 0) { |
666 |
SubscriptionMutex.Unlock(); //Nobody is subscribed to this event |
// Nobody is subscribed to this event |
667 |
return; |
return; |
668 |
} |
} |
669 |
std::list<int>::iterator iter = eventSubscriptions[event.GetType()].begin(); |
std::list<int>::iterator iter = eventSubscriptions[event.GetType()].begin(); |
689 |
} |
} |
690 |
} |
} |
691 |
} |
} |
|
SubscriptionMutex.Unlock(); |
|
692 |
} |
} |
693 |
|
|
694 |
extern int GetLSCPCommand( void *buf, int max_size ) { |
extern int GetLSCPCommand( void *buf, int max_size ) { |
803 |
void LSCPServer::AnswerClient(String ReturnMessage) { |
void LSCPServer::AnswerClient(String ReturnMessage) { |
804 |
dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str())); |
dmsg(2,("LSCPServer::AnswerClient(ReturnMessage=%s)", ReturnMessage.c_str())); |
805 |
if (currentSocket != -1) { |
if (currentSocket != -1) { |
806 |
NotifyMutex.Lock(); |
LockGuard lock(NotifyMutex); |
807 |
#ifdef MSG_NOSIGNAL |
#ifdef MSG_NOSIGNAL |
808 |
send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), MSG_NOSIGNAL); |
send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), MSG_NOSIGNAL); |
809 |
#else |
#else |
810 |
send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), 0); |
send(currentSocket, ReturnMessage.c_str(), ReturnMessage.size(), 0); |
811 |
#endif |
#endif |
|
NotifyMutex.Unlock(); |
|
812 |
} |
} |
813 |
} |
} |
814 |
|
|
958 |
try { |
try { |
959 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
960 |
if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel)); |
if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel)); |
961 |
LockRTNotify(); |
LockGuard lock(RTNotifyMutex); |
962 |
pSamplerChannel->SetEngineType(EngineName); |
pSamplerChannel->SetEngineType(EngineName); |
963 |
if(HasSoloChannel()) pSamplerChannel->GetEngineChannel()->SetMute(-1); |
if(HasSoloChannel()) pSamplerChannel->GetEngineChannel()->SetMute(-1); |
|
UnlockRTNotify(); |
|
964 |
} |
} |
965 |
catch (Exception e) { |
catch (Exception e) { |
966 |
result.Error(e); |
result.Error(e); |
1000 |
*/ |
*/ |
1001 |
String LSCPServer::AddChannel() { |
String LSCPServer::AddChannel() { |
1002 |
dmsg(2,("LSCPServer: AddChannel()\n")); |
dmsg(2,("LSCPServer: AddChannel()\n")); |
1003 |
LockRTNotify(); |
SamplerChannel* pSamplerChannel; |
1004 |
SamplerChannel* pSamplerChannel = pSampler->AddSamplerChannel(); |
{ |
1005 |
UnlockRTNotify(); |
LockGuard lock(RTNotifyMutex); |
1006 |
|
pSamplerChannel = pSampler->AddSamplerChannel(); |
1007 |
|
} |
1008 |
LSCPResultSet result(pSamplerChannel->Index()); |
LSCPResultSet result(pSamplerChannel->Index()); |
1009 |
return result.Produce(); |
return result.Produce(); |
1010 |
} |
} |
1015 |
String LSCPServer::RemoveChannel(uint uiSamplerChannel) { |
String LSCPServer::RemoveChannel(uint uiSamplerChannel) { |
1016 |
dmsg(2,("LSCPServer: RemoveChannel(SamplerChannel=%d)\n", uiSamplerChannel)); |
dmsg(2,("LSCPServer: RemoveChannel(SamplerChannel=%d)\n", uiSamplerChannel)); |
1017 |
LSCPResultSet result; |
LSCPResultSet result; |
1018 |
LockRTNotify(); |
{ |
1019 |
pSampler->RemoveSamplerChannel(uiSamplerChannel); |
LockGuard lock(RTNotifyMutex); |
1020 |
UnlockRTNotify(); |
pSampler->RemoveSamplerChannel(uiSamplerChannel); |
1021 |
|
} |
1022 |
return result.Produce(); |
return result.Produce(); |
1023 |
} |
} |
1024 |
|
|
1061 |
String LSCPServer::GetEngineInfo(String EngineName) { |
String LSCPServer::GetEngineInfo(String EngineName) { |
1062 |
dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str())); |
dmsg(2,("LSCPServer: GetEngineInfo(EngineName=%s)\n", EngineName.c_str())); |
1063 |
LSCPResultSet result; |
LSCPResultSet result; |
1064 |
LockRTNotify(); |
{ |
1065 |
try { |
LockGuard lock(RTNotifyMutex); |
1066 |
Engine* pEngine = EngineFactory::Create(EngineName); |
try { |
1067 |
result.Add("DESCRIPTION", _escapeLscpResponse(pEngine->Description())); |
Engine* pEngine = EngineFactory::Create(EngineName); |
1068 |
result.Add("VERSION", pEngine->Version()); |
result.Add("DESCRIPTION", _escapeLscpResponse(pEngine->Description())); |
1069 |
EngineFactory::Destroy(pEngine); |
result.Add("VERSION", pEngine->Version()); |
1070 |
} |
EngineFactory::Destroy(pEngine); |
1071 |
catch (Exception e) { |
} |
1072 |
result.Error(e); |
catch (Exception e) { |
1073 |
|
result.Error(e); |
1074 |
|
} |
1075 |
} |
} |
|
UnlockRTNotify(); |
|
1076 |
return result.Produce(); |
return result.Produce(); |
1077 |
} |
} |
1078 |
|
|
1721 |
String LSCPServer::SetAudioOutputDevice(uint AudioDeviceId, uint uiSamplerChannel) { |
String LSCPServer::SetAudioOutputDevice(uint AudioDeviceId, uint uiSamplerChannel) { |
1722 |
dmsg(2,("LSCPServer: SetAudiotOutputDevice(AudioDeviceId=%d, SamplerChannel=%d)\n",AudioDeviceId,uiSamplerChannel)); |
dmsg(2,("LSCPServer: SetAudiotOutputDevice(AudioDeviceId=%d, SamplerChannel=%d)\n",AudioDeviceId,uiSamplerChannel)); |
1723 |
LSCPResultSet result; |
LSCPResultSet result; |
1724 |
LockRTNotify(); |
{ |
1725 |
try { |
LockGuard lock(RTNotifyMutex); |
1726 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
try { |
1727 |
if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel)); |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
1728 |
std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel)); |
1729 |
if (!devices.count(AudioDeviceId)) throw Exception("There is no audio output device with index " + ToString(AudioDeviceId)); |
std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
1730 |
AudioOutputDevice* pDevice = devices[AudioDeviceId]; |
if (!devices.count(AudioDeviceId)) throw Exception("There is no audio output device with index " + ToString(AudioDeviceId)); |
1731 |
pSamplerChannel->SetAudioOutputDevice(pDevice); |
AudioOutputDevice* pDevice = devices[AudioDeviceId]; |
1732 |
} |
pSamplerChannel->SetAudioOutputDevice(pDevice); |
1733 |
catch (Exception e) { |
} |
1734 |
result.Error(e); |
catch (Exception e) { |
1735 |
|
result.Error(e); |
1736 |
|
} |
1737 |
} |
} |
|
UnlockRTNotify(); |
|
1738 |
return result.Produce(); |
return result.Produce(); |
1739 |
} |
} |
1740 |
|
|
1741 |
String LSCPServer::SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel) { |
String LSCPServer::SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel) { |
1742 |
dmsg(2,("LSCPServer: SetAudioOutputType(String AudioOutputDriver=%s, SamplerChannel=%d)\n",AudioOutputDriver.c_str(),uiSamplerChannel)); |
dmsg(2,("LSCPServer: SetAudioOutputType(String AudioOutputDriver=%s, SamplerChannel=%d)\n",AudioOutputDriver.c_str(),uiSamplerChannel)); |
1743 |
LSCPResultSet result; |
LSCPResultSet result; |
1744 |
LockRTNotify(); |
{ |
1745 |
try { |
LockGuard lock(RTNotifyMutex); |
1746 |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
try { |
1747 |
if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel)); |
SamplerChannel* pSamplerChannel = pSampler->GetSamplerChannel(uiSamplerChannel); |
1748 |
// Driver type name aliasing... |
if (!pSamplerChannel) throw Exception("Invalid sampler channel number " + ToString(uiSamplerChannel)); |
1749 |
if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA"; |
// Driver type name aliasing... |
1750 |
if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK"; |
if (AudioOutputDriver == "Alsa") AudioOutputDriver = "ALSA"; |
1751 |
// Check if there's one audio output device already created |
if (AudioOutputDriver == "Jack") AudioOutputDriver = "JACK"; |
1752 |
// for the intended audio driver type (AudioOutputDriver)... |
// Check if there's one audio output device already created |
1753 |
AudioOutputDevice *pDevice = NULL; |
// for the intended audio driver type (AudioOutputDriver)... |
1754 |
std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
AudioOutputDevice *pDevice = NULL; |
1755 |
std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin(); |
std::map<uint, AudioOutputDevice*> devices = pSampler->GetAudioOutputDevices(); |
1756 |
for (; iter != devices.end(); iter++) { |
std::map<uint, AudioOutputDevice*>::iterator iter = devices.begin(); |
1757 |
if ((iter->second)->Driver() == AudioOutputDriver) { |
for (; iter != devices.end(); iter++) { |
1758 |
pDevice = iter->second; |
if ((iter->second)->Driver() == AudioOutputDriver) { |
1759 |
break; |
pDevice = iter->second; |
1760 |
|
break; |
1761 |
|
} |
1762 |
} |
} |
1763 |
|
// If it doesn't exist, create a new one with default parameters... |
1764 |
|
if (pDevice == NULL) { |
1765 |
|
std::map<String,String> params; |
1766 |
|
pDevice = pSampler->CreateAudioOutputDevice(AudioOutputDriver, params); |
1767 |
|
} |
1768 |
|
// Must have a device... |
1769 |
|
if (pDevice == NULL) |
1770 |
|
throw Exception("Internal error: could not create audio output device."); |
1771 |
|
// Set it as the current channel device... |
1772 |
|
pSamplerChannel->SetAudioOutputDevice(pDevice); |
1773 |
} |
} |
1774 |
// If it doesn't exist, create a new one with default parameters... |
catch (Exception e) { |
1775 |
if (pDevice == NULL) { |
result.Error(e); |
|
std::map<String,String> params; |
|
|
pDevice = pSampler->CreateAudioOutputDevice(AudioOutputDriver, params); |
|
1776 |
} |
} |
|
// Must have a device... |
|
|
if (pDevice == NULL) |
|
|
throw Exception("Internal error: could not create audio output device."); |
|
|
// Set it as the current channel device... |
|
|
pSamplerChannel->SetAudioOutputDevice(pDevice); |
|
1777 |
} |
} |
|
catch (Exception e) { |
|
|
result.Error(e); |
|
|
} |
|
|
UnlockRTNotify(); |
|
1778 |
return result.Produce(); |
return result.Produce(); |
1779 |
} |
} |
1780 |
|
|
3317 |
String LSCPServer::SubscribeNotification(LSCPEvent::event_t type) { |
String LSCPServer::SubscribeNotification(LSCPEvent::event_t type) { |
3318 |
dmsg(2,("LSCPServer: SubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str())); |
dmsg(2,("LSCPServer: SubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str())); |
3319 |
LSCPResultSet result; |
LSCPResultSet result; |
3320 |
SubscriptionMutex.Lock(); |
{ |
3321 |
eventSubscriptions[type].push_back(currentSocket); |
LockGuard lock(SubscriptionMutex); |
3322 |
SubscriptionMutex.Unlock(); |
eventSubscriptions[type].push_back(currentSocket); |
3323 |
|
} |
3324 |
return result.Produce(); |
return result.Produce(); |
3325 |
} |
} |
3326 |
|
|
3331 |
String LSCPServer::UnsubscribeNotification(LSCPEvent::event_t type) { |
String LSCPServer::UnsubscribeNotification(LSCPEvent::event_t type) { |
3332 |
dmsg(2,("LSCPServer: UnsubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str())); |
dmsg(2,("LSCPServer: UnsubscribeNotification(Event=%s)\n", LSCPEvent::Name(type).c_str())); |
3333 |
LSCPResultSet result; |
LSCPResultSet result; |
3334 |
SubscriptionMutex.Lock(); |
{ |
3335 |
eventSubscriptions[type].remove(currentSocket); |
LockGuard lock(SubscriptionMutex); |
3336 |
SubscriptionMutex.Unlock(); |
eventSubscriptions[type].remove(currentSocket); |
3337 |
|
} |
3338 |
return result.Produce(); |
return result.Produce(); |
3339 |
} |
} |
3340 |
|
|