/[svn]/liblscp/trunk/src/common.h
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Contents of /liblscp/trunk/src/common.h

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Revision 177 - (show annotations) (download) (as text)
Tue Jul 6 14:06:17 2004 UTC (19 years, 8 months ago) by capela
File MIME type: text/x-c++hdr
File size: 6722 byte(s)
Simple use of condition variable on event subscription synchronization.

1 // common.h
2 //
3 /****************************************************************************
4 liblscp - LinuxSampler Control Protocol API
5 Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved.
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
11
12 This library 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 GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20
21 *****************************************************************************/
22
23 #ifndef __LSCP_COMMON_H
24 #define __LSCP_COMMON_H
25
26 #include "lscp/client.h"
27 #include "lscp/device.h"
28
29
30 // Case unsensitive comparison substitutes.
31 #if defined(WIN32)
32 #define strcasecmp stricmp
33 #define strncasecmp strnicmp
34 #endif
35
36 //-------------------------------------------------------------------------
37 // Client opaque descriptor struct.
38
39 struct _lscp_client_t
40 {
41 // Client socket stuff.
42 lscp_client_proc_t pfnCallback;
43 void * pvData;
44 lscp_socket_agent_t cmd;
45 lscp_socket_agent_t evt;
46 // Subscribed events.
47 lscp_event_t events;
48 // Client struct persistent caches.
49 char ** audio_drivers;
50 char ** midi_drivers;
51 int * audio_devices;
52 int * midi_devices;
53 char ** engines;
54 int * channels;
55 // Client struct volatile caches.
56 lscp_driver_info_t audio_driver_info;
57 lscp_driver_info_t midi_driver_info;
58 lscp_device_info_t audio_device_info;
59 lscp_device_info_t midi_device_info;
60 lscp_param_info_t audio_param_info;
61 lscp_param_info_t midi_param_info;
62 lscp_device_port_info_t audio_channel_info;
63 lscp_device_port_info_t midi_port_info;
64 lscp_param_info_t audio_channel_param_info;
65 lscp_param_info_t midi_port_param_info;
66 lscp_engine_info_t engine_info;
67 lscp_channel_info_t channel_info;
68 // Result and error status.
69 char * pszResult;
70 int iErrno;
71 // Stream buffers status.
72 lscp_buffer_fill_t *buffer_fill;
73 int iStreamCount;
74 // Transaction call timeout (msecs).
75 int iTimeout;
76 lscp_mutex_t mutex;
77 lscp_cond_t cond;
78 };
79
80
81 //-------------------------------------------------------------------------
82 // Local client request executive.
83
84 lscp_status_t lscp_client_call (lscp_client_t *pClient, const char *pszQuery);
85 void lscp_client_set_result (lscp_client_t *pClient, char *pszResult, int iErrno);
86
87 //-------------------------------------------------------------------------
88 // General utility function prototypes.
89
90 char * lscp_strtok (char *pchBuffer, const char *pszSeps, char **ppch);
91 char * lscp_ltrim (char *psz);
92 char * lscp_unquote (char **ppsz, int dup);
93
94 char ** lscp_szsplit_create (const char *pszCsv, const char *pszSeps);
95 void lscp_szsplit_destroy (char **ppszSplit);
96 #ifdef LSCP_SZSPLIT_COUNT
97 int lscp_szsplit_count (char **ppszSplit);
98 int lscp_szsplit_size (char **ppszSplit);
99 #endif
100
101 int * lscp_isplit_create (const char *pszCsv, const char *pszSeps);
102 void lscp_isplit_destroy (int *piSplit);
103 #ifdef LSCP_ISPLIT_COUNT
104 int lscp_isplit_count (int *piSplit);
105 int lscp_isplit_size (int *piSplit);
106 #endif
107
108 lscp_param_t * lscp_psplit_create (const char *pszCsv, const char *pszSep1, const char *pszSep2);
109 void lscp_psplit_destroy (lscp_param_t *ppSplit);
110 #ifdef LSCP_PSPLIT_COUNT
111 int lscp_psplit_count (lscp_param_t *ppSplit);
112 int lscp_psplit_size (lscp_param_t *ppSplit);
113 #endif
114
115 void lscp_plist_alloc (lscp_param_t **ppList);
116 void lscp_plist_free (lscp_param_t **ppList);
117 void lscp_plist_append (lscp_param_t **ppList, const char *pszKey, const char *pszValue);
118 #ifdef LSCP_PLIST_COUNT
119 int lscp_plist_count (lscp_param_t **ppList);
120 int lscp_plist_size (lscp_param_t **ppList);
121 #endif
122
123 //-------------------------------------------------------------------------
124 // Engine struct helper functions.
125
126 void lscp_engine_info_init (lscp_engine_info_t *pEngineInfo);
127 void lscp_engine_info_reset (lscp_engine_info_t *pEngineInfo);
128
129 //-------------------------------------------------------------------------
130 // Channel struct helper functions.
131
132 void lscp_channel_info_init (lscp_channel_info_t *pChannelInfo);
133 void lscp_channel_info_reset (lscp_channel_info_t *pChannelInfo);
134
135 //-------------------------------------------------------------------------
136 // Driver struct helper functions.
137
138 void lscp_driver_info_init (lscp_driver_info_t *pDriverInfo);
139 void lscp_driver_info_reset (lscp_driver_info_t *pDriverInfo);
140
141 //-------------------------------------------------------------------------
142 // Device struct helper functions.
143
144 void lscp_device_info_init (lscp_device_info_t *pDeviceInfo);
145 void lscp_device_info_reset (lscp_device_info_t *pDeviceInfo);
146
147 //-------------------------------------------------------------------------
148 // Device channel/port struct helper functions.
149
150 void lscp_device_port_info_init (lscp_device_port_info_t *pDevicePortInfo);
151 void lscp_device_port_info_reset (lscp_device_port_info_t *pDevicePortInfo);
152
153 //-------------------------------------------------------------------------
154 // Parameter struct helper functions.
155
156 void lscp_param_info_init (lscp_param_info_t *pParamInfo);
157 void lscp_param_info_reset (lscp_param_info_t *pParamInfo);
158
159 //-------------------------------------------------------------------------
160 // Concatenate a parameter list (key='value'...) into a string.
161
162 int lscp_param_concat (char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams);
163
164
165 #endif // __LSCP_COMMON_H
166
167 // end of common.h

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