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

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Revision 415 - (show annotations) (download) (as text)
Tue Mar 1 21:55:34 2005 UTC (19 years, 1 month ago) by capela
File MIME type: text/x-c++hdr
File size: 7406 byte(s)
* Fixed nasty off-by-one bug on internal helpers.

1 // common.h
2 //
3 /****************************************************************************
4 liblscp - LinuxSampler Control Protocol API
5 Copyright (C) 2004-2005, 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_recv (lscp_client_t *pClient, char *pchBuffer, int *pcchBuffer, int iTimeout);
85 lscp_status_t lscp_client_call (lscp_client_t *pClient, const char *pszQuery);
86 void lscp_client_set_result (lscp_client_t *pClient, char *pszResult, int iErrno);
87
88 //-------------------------------------------------------------------------
89 // General utility function prototypes.
90
91 char * lscp_strtok (char *pchBuffer, const char *pszSeps, char **ppch);
92 char * lscp_ltrim (char *psz);
93 char * lscp_unquote (char **ppsz, int dup);
94 void lscp_unquote_dup (char **ppszDst, char **ppszSrc);
95
96 char ** lscp_szsplit_create (const char *pszCsv, const char *pszSeps);
97 void lscp_szsplit_destroy (char **ppszSplit);
98 #ifdef LSCP_SZSPLIT_COUNT
99 int lscp_szsplit_count (char **ppszSplit);
100 int lscp_szsplit_size (char **ppszSplit);
101 #endif
102
103 int * lscp_isplit_create (const char *pszCsv, const char *pszSeps);
104 void lscp_isplit_destroy (int *piSplit);
105 #ifdef LSCP_ISPLIT_COUNT
106 int lscp_isplit_count (int *piSplit);
107 int lscp_isplit_size (int *piSplit);
108 #endif
109
110 lscp_param_t * lscp_psplit_create (const char *pszCsv, const char *pszSep1, const char *pszSep2);
111 void lscp_psplit_destroy (lscp_param_t *ppSplit);
112 #ifdef LSCP_PSPLIT_COUNT
113 int lscp_psplit_count (lscp_param_t *ppSplit);
114 int lscp_psplit_size (lscp_param_t *ppSplit);
115 #endif
116
117 void lscp_plist_alloc (lscp_param_t **ppList);
118 void lscp_plist_free (lscp_param_t **ppList);
119 void lscp_plist_append (lscp_param_t **ppList, const char *pszKey, const char *pszValue);
120 #ifdef LSCP_PLIST_COUNT
121 int lscp_plist_count (lscp_param_t **ppList);
122 int lscp_plist_size (lscp_param_t **ppList);
123 #endif
124
125 //-------------------------------------------------------------------------
126 // Engine struct helper functions.
127
128 void lscp_engine_info_init (lscp_engine_info_t *pEngineInfo);
129 void lscp_engine_info_free (lscp_engine_info_t *pEngineInfo);
130 void lscp_engine_info_reset (lscp_engine_info_t *pEngineInfo);
131
132 //-------------------------------------------------------------------------
133 // Channel struct helper functions.
134
135 void lscp_channel_info_init (lscp_channel_info_t *pChannelInfo);
136 void lscp_channel_info_free (lscp_channel_info_t *pChannelInfo);
137 void lscp_channel_info_reset (lscp_channel_info_t *pChannelInfo);
138
139 //-------------------------------------------------------------------------
140 // Driver struct helper functions.
141
142 void lscp_driver_info_init (lscp_driver_info_t *pDriverInfo);
143 void lscp_driver_info_free (lscp_driver_info_t *pDriverInfo);
144 void lscp_driver_info_reset (lscp_driver_info_t *pDriverInfo);
145
146 //-------------------------------------------------------------------------
147 // Device struct helper functions.
148
149 void lscp_device_info_init (lscp_device_info_t *pDeviceInfo);
150 void lscp_device_info_free (lscp_device_info_t *pDeviceInfo);
151 void lscp_device_info_reset (lscp_device_info_t *pDeviceInfo);
152
153 //-------------------------------------------------------------------------
154 // Device channel/port struct helper functions.
155
156 void lscp_device_port_info_init (lscp_device_port_info_t *pDevicePortInfo);
157 void lscp_device_port_info_free (lscp_device_port_info_t *pDevicePortInfo);
158 void lscp_device_port_info_reset (lscp_device_port_info_t *pDevicePortInfo);
159
160 //-------------------------------------------------------------------------
161 // Parameter struct helper functions.
162
163 void lscp_param_info_init (lscp_param_info_t *pParamInfo);
164 void lscp_param_info_free (lscp_param_info_t *pParamInfo);
165 void lscp_param_info_reset (lscp_param_info_t *pParamInfo);
166
167 //-------------------------------------------------------------------------
168 // Concatenate a parameter list (key='value'...) into a string.
169
170 int lscp_param_concat (char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams);
171
172
173 #endif // __LSCP_COMMON_H
174
175 // end of common.h

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