/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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Wed Dec 5 22:05:28 2007 UTC (16 years, 3 months ago) by schoenebeck
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1 schoenebeck 35 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5 schoenebeck 56 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 schoenebeck 1026 * Copyright (C) 2005 - 2007 Christian Schoenebeck *
7 schoenebeck 35 * *
8 schoenebeck 385 * This library is free software; you can redistribute it and/or modify *
9 schoenebeck 35 * 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 schoenebeck 385 * This library is distributed in the hope that it will be useful, *
14 schoenebeck 35 * 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 schoenebeck 385 * along with this library; if not, write to the Free Software *
20 schoenebeck 35 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #ifndef __LSCPSERVER_H_
25     #define __LSCPSERVER_H_
26    
27 senoner 1481 #if defined(WIN32)
28     #include <windows.h>
29     typedef int socklen_t;
30     #else
31 schoenebeck 35 #include <unistd.h>
32     #include <sys/types.h>
33     #include <sys/socket.h>
34 senkov 170 #include <sys/select.h>
35     #include <sys/time.h>
36 schoenebeck 35 #include <netinet/in.h>
37     #include <netinet/tcp.h>
38     #include <arpa/inet.h>
39     #include <netdb.h>
40 senoner 1481 #endif
41 schoenebeck 35
42 senkov 170 #include <list>
43    
44 schoenebeck 53 #include "lscp.h"
45 schoenebeck 35 #include "lscpparser.h"
46 senkov 170 #include "lscp.h"
47     #include "lscpevent.h"
48 schoenebeck 53 #include "../Sampler.h"
49     #include "../common/Thread.h"
50 senkov 170 #include "../common/Mutex.h"
51 schoenebeck 211 #include "../common/Condition.h"
52 schoenebeck 1424 #include "../common/global_private.h"
53 schoenebeck 35
54 schoenebeck 947 #include "../drivers/midi/MidiInstrumentMapper.h"
55    
56 iliev 1161 #if HAVE_SQLITE3
57     #include "../db/InstrumentsDb.h"
58     #endif
59    
60 schoenebeck 35 /// TCP Port on which the server should listen for connection requests.
61 senkov 667 #define LSCP_ADDR INADDR_ANY
62 schoenebeck 35 #define LSCP_PORT 8888
63    
64 schoenebeck 227 /// try up to 3 minutes to bind server socket
65     #define LSCP_SERVER_BIND_TIMEOUT 180
66    
67 schoenebeck 53 using namespace LinuxSampler;
68    
69 schoenebeck 35 // External references to the main scanner and parser functions
70     extern int yyparse(void* YYPARSE_PARAM);
71 schoenebeck 219 extern void restart(yyparse_param_t* pparam, int& yychar);
72 schoenebeck 35
73     /**
74     * Network server for the LinuxSampler Control Protocol (LSCP).
75     */
76     class LSCPServer : public Thread {
77     public:
78 senkov 667 LSCPServer(Sampler* pSampler, long int addr, short int port);
79 schoenebeck 475 virtual ~LSCPServer();
80 schoenebeck 211 int WaitUntilInitialized(long TimeoutSeconds = 0L, long TimeoutNanoSeconds = 0L);
81 schoenebeck 35
82     // Methods called by the parser
83 schoenebeck 123 String DestroyAudioOutputDevice(uint DeviceIndex);
84 senkov 155 String DestroyMidiInputDevice(uint DeviceIndex);
85 capela 137 String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
86 schoenebeck 411 String SetEngineType(String EngineName, uint uiSamplerChannel);
87 schoenebeck 35 String GetChannels();
88 schoenebeck 209 String ListChannels();
89 schoenebeck 35 String AddChannel();
90 schoenebeck 53 String RemoveChannel(uint uiSamplerChannel);
91 schoenebeck 35 String GetAvailableEngines();
92 capela 527 String ListAvailableEngines();
93 schoenebeck 35 String GetEngineInfo(String EngineName);
94 schoenebeck 53 String GetChannelInfo(uint uiSamplerChannel);
95     String GetVoiceCount(uint uiSamplerChannel);
96     String GetStreamCount(uint uiSamplerChannel);
97     String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
98 schoenebeck 123 String GetAvailableAudioOutputDrivers();
99 capela 527 String ListAvailableAudioOutputDrivers();
100 senkov 155 String GetAvailableMidiInputDrivers();
101 capela 527 String ListAvailableMidiInputDrivers();
102 schoenebeck 123 String GetAudioOutputDriverInfo(String Driver);
103 senkov 155 String GetMidiInputDriverInfo(String Driver);
104 schoenebeck 123 #ifdef __GNUC__
105     typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
106     String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
107 senkov 155 String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
108 senkov 140 String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
109 senkov 155 String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = StringMap());
110 schoenebeck 123 #else
111     String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
112 senkov 155 String GetMidiInputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
113 senkov 140 String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
114 senkov 155 String CreateMidiInputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
115 schoenebeck 123 #endif // __GNUC__
116     String GetAudioOutputDeviceCount();
117 senkov 155 String GetMidiInputDeviceCount();
118 schoenebeck 123 String GetAudioOutputDevices();
119 senkov 155 String GetMidiInputDevices();
120 schoenebeck 123 String GetAudioOutputDeviceInfo(uint DeviceIndex);
121 senkov 155 String GetMidiInputDeviceInfo(uint DeviceIndex);
122     String GetMidiInputPortInfo(uint DeviceIndex, uint PortIndex);
123 senkov 185 String GetMidiInputPortParameterInfo(uint DeviceId, uint PortId, String ParameterName);
124 schoenebeck 123 String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
125     String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
126     String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
127     String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
128 senkov 155 String SetMidiInputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
129 capela 159 String SetMidiInputPortParameter(uint DeviceIndex, uint PortIndex, String ParamKey, String ParamVal);
130 schoenebeck 123 String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
131 capela 159 String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
132 capela 143 String SetAudioOutputType(String AudioOutputDriver, uint uiSamplerChannel);
133 capela 159 String SetMIDIInputPort(uint MIDIPort, uint uiSamplerChannel);
134     String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
135     String SetMIDIInputDevice(uint MIDIDeviceId, uint uiSamplerChannel);
136 schoenebeck 123 String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
137 capela 159 String SetMIDIInput(uint MIDIDeviceId, uint MIDIPort, uint MIDIChannel, uint uiSamplerChannel);
138 schoenebeck 225 String SetVolume(double dVolume, uint uiSamplerChannel);
139 schoenebeck 705 String SetChannelMute(bool bMute, uint uiSamplerChannel);
140     String SetChannelSolo(bool bSolo, uint uiSamplerChannel);
141 schoenebeck 1047 String AddOrReplaceMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg, String EngineType, String InstrumentFile, uint InstrumentIndex, float Volume, MidiInstrumentMapper::mode_t LoadMode, String Name, bool bModal);
142 schoenebeck 973 String RemoveMIDIInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
143     String GetMidiInstrumentMappings(uint MidiMapID);
144     String GetAllMidiInstrumentMappings();
145     String GetMidiInstrumentMapping(uint MidiMapID, uint MidiBank, uint MidiProg);
146     String ListMidiInstrumentMappings(uint MidiMapID);
147     String ListAllMidiInstrumentMappings();
148     String ClearMidiInstrumentMappings(uint MidiMapID);
149     String ClearAllMidiInstrumentMappings();
150     String AddMidiInstrumentMap(String MapName = "");
151     String RemoveMidiInstrumentMap(uint MidiMapID);
152     String RemoveAllMidiInstrumentMaps();
153     String GetMidiInstrumentMaps();
154     String ListMidiInstrumentMaps();
155     String GetMidiInstrumentMap(uint MidiMapID);
156     String SetMidiInstrumentMapName(uint MidiMapID, String NewName);
157     String SetChannelMap(uint uiSamplerChannel, int MidiMapID);
158 schoenebeck 1001 String CreateFxSend(uint uiSamplerChannel, uint MidiCtrl, String Name = "");
159     String DestroyFxSend(uint uiSamplerChannel, uint FxSendID);
160     String GetFxSends(uint uiSamplerChannel);
161     String ListFxSends(uint uiSamplerChannel);
162     String GetFxSendInfo(uint uiSamplerChannel, uint FxSendID);
163 iliev 1135 String SetFxSendName(uint uiSamplerChannel, uint FxSendID, String Name);
164 schoenebeck 1001 String SetFxSendAudioOutputChannel(uint uiSamplerChannel, uint FxSendID, uint FxSendChannel, uint DeviceChannel);
165 schoenebeck 1026 String SetFxSendMidiController(uint uiSamplerChannel, uint FxSendID, uint MidiController);
166     String SetFxSendLevel(uint uiSamplerChannel, uint FxSendID, double dLevel);
167 iliev 1161 String AddDbInstrumentDirectory(String Dir);
168     String RemoveDbInstrumentDirectory(String Dir, bool Force = false);
169 iliev 1187 String GetDbInstrumentDirectoryCount(String Dir, bool Recursive = false);
170     String GetDbInstrumentDirectories(String Dir, bool Recursive = false);
171 iliev 1161 String GetDbInstrumentDirectoryInfo(String Dir);
172     String SetDbInstrumentDirectoryName(String Dir, String Name);
173     String MoveDbInstrumentDirectory(String Dir, String Dst);
174 iliev 1187 String CopyDbInstrumentDirectory(String Dir, String Dst);
175 iliev 1161 String SetDbInstrumentDirectoryDescription(String Dir, String Desc);
176 iliev 1187 String FindDbInstrumentDirectories(String Dir, std::map<String,String> Parameters, bool Recursive = true);
177 iliev 1200 String AddDbInstruments(String DbDir, String FilePath, int Index = -1, bool bBackground = false);
178     String AddDbInstruments(String ScanMode, String DbDir, String FsDir, bool bBackground = false);
179 iliev 1161 String RemoveDbInstrument(String Instr);
180 iliev 1187 String GetDbInstrumentCount(String Dir, bool Recursive = false);
181     String GetDbInstruments(String Dir, bool Recursive = false);
182 iliev 1161 String GetDbInstrumentInfo(String Instr);
183     String SetDbInstrumentName(String Instr, String Name);
184     String MoveDbInstrument(String Instr, String Dst);
185 iliev 1187 String CopyDbInstrument(String Instr, String Dst);
186 iliev 1161 String SetDbInstrumentDescription(String Instr, String Desc);
187 iliev 1187 String FindDbInstruments(String Dir, std::map<String,String> Parameters, bool Recursive = true);
188 iliev 1353 String FormatInstrumentsDb();
189 schoenebeck 1212 String EditSamplerChannelInstrument(uint uiSamplerChannel);
190 iliev 1200 String GetDbInstrumentsJobInfo(int JobId);
191 schoenebeck 53 String ResetChannel(uint uiSamplerChannel);
192 schoenebeck 212 String ResetSampler();
193 schoenebeck 563 String GetServerInfo();
194 iliev 1541 String GetTotalStreamCount();
195 iliev 778 String GetTotalVoiceCount();
196     String GetTotalVoiceCountMax();
197 schoenebeck 1005 String GetGlobalVolume();
198     String SetGlobalVolume(double dVolume);
199 schoenebeck 1525 String GetFileInstruments(String Filename);
200     String ListFileInstruments(String Filename);
201     String GetFileInstrumentInfo(String Filename, uint InstrumentID);
202 senkov 170 String SubscribeNotification(LSCPEvent::event_t);
203     String UnsubscribeNotification(LSCPEvent::event_t);
204 schoenebeck 210 String SetEcho(yyparse_param_t* pSession, double boolean_value);
205 schoenebeck 35 void AnswerClient(String ReturnMessage);
206 senkov 170
207     static int currentSocket;
208     static std::map<int,String> bufferedCommands;
209 senkov 184
210     static void SendLSCPNotify( LSCPEvent Event );
211 senkov 360 static int EventSubscribers( std::list<LSCPEvent::event_t> events );
212 schoenebeck 1551 static void LockRTNotify();
213     static void UnlockRTNotify();
214 iliev 1161 static String FilterEndlines(String s);
215 senkov 184
216 schoenebeck 35 protected:
217 schoenebeck 53 int hSocket;
218     sockaddr_in SocketAddress;
219     Sampler* pSampler;
220 schoenebeck 211 Condition Initialized;
221 schoenebeck 35
222     int Main(); ///< Implementation of virtual method from class Thread
223 senkov 170
224 schoenebeck 35 private:
225 schoenebeck 209
226 schoenebeck 35 /**
227 capela 143 * Find a created audio output device index.
228     */
229     int GetAudioOutputDeviceIndex (AudioOutputDevice *pDevice);
230 schoenebeck 209
231 senkov 155 /**
232     * Find a created midi input device index.
233     */
234     int GetMidiInputDeviceIndex (MidiInputDevice *pDevice);
235 capela 143
236 iliev 1135 EngineChannel* GetEngineChannel(uint uiSamplerChannel);
237    
238     /**
239     * Gets the specified effect send on the specified sampler channel.
240     */
241     FxSend* GetFxSend(uint uiSamplerChannel, uint FxSendID);
242    
243 schoenebeck 705 bool HasSoloChannel();
244     void MuteNonSoloChannels();
245     void UnmuteChannels();
246 schoenebeck 1551
247 iliev 1535 /**
248     * Throws an exception if the specified file is not found or
249     * if directory is specified.
250     */
251     static void VerifyFile(String Filename);
252 schoenebeck 705
253 senkov 170 static std::map<int,String> bufferedNotifies;
254     static Mutex NotifyMutex;
255     static Mutex NotifyBufferMutex;
256 schoenebeck 210 static bool GetLSCPCommand( std::vector<yyparse_param_t>::iterator iter );
257     static void CloseConnection( std::vector<yyparse_param_t>::iterator iter );
258     static std::vector<yyparse_param_t> Sessions;
259 senkov 170 static Mutex SubscriptionMutex;
260     static std::map< LSCPEvent::event_t, std::list<int> > eventSubscriptions;
261     static fd_set fdSet;
262 senkov 360
263     //Protect main thread that generates real time notify messages
264     //like voice count, stream count and buffer fill
265     //from LSCP server removing engines and channels from underneath
266     static Mutex RTNotifyMutex;
267 iliev 1130
268 iliev 1133 class EventHandler : public ChannelCountListener, public AudioDeviceCountListener,
269     public MidiDeviceCountListener, public MidiInstrumentCountListener,
270     public MidiInstrumentInfoListener, public MidiInstrumentMapCountListener,
271     public MidiInstrumentMapInfoListener, public FxSendCountListener,
272 iliev 1541 public VoiceCountListener, public StreamCountListener, public BufferFillListener,
273     public TotalStreamCountListener, public TotalVoiceCountListener {
274 iliev 1133
275     public:
276 iliev 1130 /**
277     * Invoked when the number of sampler channels has changed.
278     * @param NewCount The new number of sampler channels.
279     */
280     virtual void ChannelCountChanged(int NewCount);
281 schoenebeck 1212
282 iliev 1130 /**
283     * Invoked when the number of audio output devices has changed.
284     * @param NewCount The new number of audio output devices.
285     */
286     virtual void AudioDeviceCountChanged(int NewCount);
287 schoenebeck 1212
288 iliev 1130 /**
289     * Invoked when the number of MIDI input devices has changed.
290     * @param NewCount The new number of MIDI input devices.
291     */
292     virtual void MidiDeviceCountChanged(int NewCount);
293 iliev 1133
294 iliev 1130 /**
295     * Invoked when the number of MIDI instruments has changed.
296     * @param MapId The numerical ID of the MIDI instrument map.
297     * @param NewCount The new number of MIDI instruments.
298     */
299     virtual void MidiInstrumentCountChanged(int MapId, int NewCount);
300 schoenebeck 1212
301 iliev 1130 /**
302     * Invoked when a MIDI instrument in a MIDI instrument map is changed.
303     * @param MapId The numerical ID of the MIDI instrument map.
304     * @param Bank The index of the MIDI bank, containing the instrument.
305     * @param Program The MIDI program number of the instrument.
306     */
307     virtual void MidiInstrumentInfoChanged(int MapId, int Bank, int Program);
308 schoenebeck 1212
309 iliev 1133 /**
310 iliev 1130 * Invoked when the number of MIDI instrument maps has changed.
311     * @param NewCount The new number of MIDI instruments.
312     */
313     virtual void MidiInstrumentMapCountChanged(int NewCount);
314    
315     /**
316     * Invoked when the settings of a MIDI instrument map are changed.
317     * @param MapId The numerical ID of the MIDI instrument map.
318     */
319     virtual void MidiInstrumentMapInfoChanged(int MapId);
320 schoenebeck 1212
321 iliev 1130 /**
322     * Invoked when the number of effect sends
323     * on the specified sampler channel has changed.
324     * @param ChannelId The numerical ID of the sampler channel.
325     * @param NewCount The new number of effect sends.
326     */
327     virtual void FxSendCountChanged(int ChannelId, int NewCount);
328 iliev 1133
329 iliev 1130 /**
330     * Invoked when the number of active voices
331     * on the specified sampler channel has changed.
332     * @param ChannelId The numerical ID of the sampler channel.
333     * @param NewCount The new number of active voices.
334     */
335     virtual void VoiceCountChanged(int ChannelId, int NewCount);
336    
337     /**
338     * Invoked when the number of active disk streams
339     * on the specified sampler channel has changed.
340     * @param ChannelId The numerical ID of the sampler channel.
341     * @param NewCount The new number of active disk streams.
342     */
343     virtual void StreamCountChanged(int ChannelId, int NewCount);
344    
345     /**
346     * Invoked when the fill state of the disk stream
347     * buffers on the specified sampler channel is changed.
348     * @param ChannelId The numerical ID of the sampler channel.
349     * @param FillData The buffer fill data for the specified sampler channel.
350     */
351     virtual void BufferFillChanged(int ChannelId, String FillData);
352    
353     /**
354     * Invoked when the total number of active voices is changed.
355     * @param NewCount The new number of active voices.
356     */
357     virtual void TotalVoiceCountChanged(int NewCount);
358 iliev 1541 virtual void TotalStreamCountChanged(int NewCount);
359 iliev 1133 } eventHandler;
360 iliev 1161
361     #if HAVE_SQLITE3
362     class DbInstrumentsEventHandler : public InstrumentsDb::Listener {
363     public:
364     virtual void DirectoryCountChanged(String Dir);
365     virtual void DirectoryInfoChanged(String Dir);
366     virtual void DirectoryNameChanged(String Dir, String NewName);
367     virtual void InstrumentCountChanged(String Dir);
368     virtual void InstrumentInfoChanged(String Instr);
369     virtual void InstrumentNameChanged(String Instr, String NewName);
370 iliev 1200 virtual void JobStatusChanged(int JobId);
371 iliev 1161 } dbInstrumentsEventHandler;
372     #endif // HAVE_SQLITE3
373 schoenebeck 35 };
374    
375     #endif // __LSCPSERVER_H_

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