/[svn]/linuxsampler/trunk/src/network/lscpserver.h
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Annotation of /linuxsampler/trunk/src/network/lscpserver.h

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Revision 140 - (hide annotations) (download) (as text)
Mon Jun 21 00:23:56 2004 UTC (19 years, 9 months ago) by senkov
File MIME type: text/x-c++hdr
File size: 6921 byte(s)
Cleanup for GCC bug workaround

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 35 * *
7     * This program is free software; you can redistribute it and/or modify *
8     * it under the terms of the GNU General Public License as published by *
9     * the Free Software Foundation; either version 2 of the License, or *
10     * (at your option) any later version. *
11     * *
12     * This program is distributed in the hope that it will be useful, *
13     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
14     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15     * GNU General Public License for more details. *
16     * *
17     * You should have received a copy of the GNU General Public License *
18     * along with this program; if not, write to the Free Software *
19     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20     * MA 02111-1307 USA *
21     ***************************************************************************/
22    
23     #ifndef __LSCPSERVER_H_
24     #define __LSCPSERVER_H_
25    
26     #include <unistd.h>
27     #include <sys/types.h>
28     #include <sys/socket.h>
29     #include <netinet/in.h>
30     #include <netinet/tcp.h>
31     #include <arpa/inet.h>
32     #include <netdb.h>
33    
34 schoenebeck 53 #include "lscp.h"
35 schoenebeck 35 #include "lscpparser.h"
36 schoenebeck 53 #include "../Sampler.h"
37     #include "../common/Thread.h"
38 schoenebeck 35
39     /// TCP Port on which the server should listen for connection requests.
40     #define LSCP_PORT 8888
41    
42 schoenebeck 53 using namespace LinuxSampler;
43    
44 schoenebeck 35 /// Handle for a client connection (FIXME: doesn't work for more than one network connections of course, thus has to be included to the yyparse() parameters instead).
45     extern int hSession;
46    
47     // External references to the main scanner and parser functions
48     extern int yyparse(void* YYPARSE_PARAM);
49     extern int yylex_init(yyscan_t* scanner);
50     extern int yylex_destroy(yyscan_t yyscanner);
51    
52     /**
53     * Network server for the LinuxSampler Control Protocol (LSCP).
54     */
55     class LSCPServer : public Thread {
56     public:
57 schoenebeck 53 LSCPServer(Sampler* pSampler);
58 schoenebeck 35
59     // Methods called by the parser
60 schoenebeck 123 String DestroyAudioOutputDevice(uint DeviceIndex);
61 capela 137 String LoadInstrument(String Filename, uint uiInstrument, uint uiSamplerChannel, bool bBackground = false);
62 schoenebeck 53 String LoadEngine(String EngineName, uint uiSamplerChannel);
63 schoenebeck 35 String GetChannels();
64     String AddChannel();
65 schoenebeck 53 String RemoveChannel(uint uiSamplerChannel);
66 schoenebeck 35 String GetAvailableEngines();
67     String GetEngineInfo(String EngineName);
68 schoenebeck 53 String GetChannelInfo(uint uiSamplerChannel);
69     String GetVoiceCount(uint uiSamplerChannel);
70     String GetStreamCount(uint uiSamplerChannel);
71     String GetBufferFill(fill_response_t ResponseType, uint uiSamplerChannel);
72 schoenebeck 123 String GetAvailableAudioOutputDrivers();
73     String GetAudioOutputDriverInfo(String Driver);
74     #ifdef __GNUC__
75     typedef std::map<String,String> StringMap; // nasty workaround for a GCC bug (see GCC bug #15980, #57)
76     String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = StringMap());
77 senkov 140 String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = StringMap());
78 schoenebeck 123 #else
79     String GetAudioOutputDriverParameterInfo(String Driver, String Parameter, std::map<String,String> DependencyList = std::map<String,String>());
80 senkov 140 String CreateAudioOutputDevice(String Driver, std::map<String,String> Parameters = std::map<String,String>());
81 schoenebeck 123 #endif // __GNUC__
82     String GetAudioOutputDeviceCount();
83     String GetAudioOutputDevices();
84     String GetAudioOutputDeviceInfo(uint DeviceIndex);
85     String GetAudioOutputChannelInfo(uint DeviceId, uint ChannelId);
86     String GetAudioOutputChannelParameterInfo(uint DeviceId, uint ChannelId, String ParameterName);
87     String SetAudioOutputChannelParameter(uint DeviceId, uint ChannelId, String ParamKey, String ParamVal);
88     String SetAudioOutputDeviceParameter(uint DeviceIndex, String ParamKey, String ParamVal);
89     String SetAudioOutputChannel(uint ChannelAudioOutputChannel, uint AudioOutputDeviceInputChannel, uint uiSamplerChannel);
90     String SetMIDIInputType(String MidiInputDriver, uint uiSamplerChannel);
91 schoenebeck 53 String SetMIDIInputPort(String MIDIInputPort, uint uiSamplerchannel);
92     String SetMIDIInputChannel(uint MIDIChannel, uint uiSamplerChannel);
93 schoenebeck 123 String SetAudioOutputDevice(uint AudioDeviceId, uint SamplerChannel);
94 schoenebeck 53 String SetVolume(double Volume, uint uiSamplerChannel);
95     String ResetChannel(uint uiSamplerChannel);
96 senkov 135 String SubscribeNotification(event_t Event);
97     String UnsubscribeNotification(event_t Event);
98 schoenebeck 35 void AnswerClient(String ReturnMessage);
99     protected:
100 schoenebeck 53 int hSocket;
101     sockaddr_in SocketAddress;
102     Sampler* pSampler;
103 schoenebeck 35
104     int Main(); ///< Implementation of virtual method from class Thread
105     private:
106     /**
107     * Converts a result_t structure into a valid LSCP answer message.
108     */
109     inline String ConvertResult(result_t result) {
110     switch (result.type) {
111     case result_type_success: {
112     return "OK\r\n";
113     }
114     case result_type_warning: {
115     std::stringstream ss;
116     ss << "WRN:" << result.code << ":" << result.message << "\r\n";
117     return ss.str();
118     }
119     case result_type_error: {
120     std::stringstream ss;
121     ss << "ERR:" << result.code << ":" << result.message << "\r\n";
122     return ss.str();
123     }
124     }
125     }
126    
127 schoenebeck 53 template<class T> inline String ToString(T o) {
128 schoenebeck 35 std::stringstream ss;
129 schoenebeck 53 ss << o;
130 schoenebeck 35 return ss.str();
131     }
132     };
133    
134 capela 133
135     /**
136     * Instrument loader thread for the LinuxSampler Control Protocol (LSCP).
137     */
138     class LSCPLoadInstrument : public Thread {
139    
140     public:
141     LSCPLoadInstrument(Engine* pEngine, String Filename, uint uiInstrument);
142    
143     protected:
144     // Instance variables.
145     Engine* pEngine;
146     String Filename;
147     uint uiInstrument;
148    
149     // Implementation of virtual method from class Thread.
150     int Main();
151     };
152    
153 schoenebeck 35 #endif // __LSCPSERVER_H_

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