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

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Revision 132 - (hide annotations) (download) (as text)
Fri Jun 18 14:19:19 2004 UTC (19 years, 9 months ago) by capela
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File size: 4495 byte(s)
* Overall mutexing of client command calls;
  preparation of forthcoming v.09 LSCP document draft.

1 capela 103 // 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 capela 132 lscp_socket_agent_t cmd;
45     lscp_socket_agent_t evt;
46 capela 103 // Session identifier.
47     char * sessid;
48     // Client struct persistent caches.
49     char ** audio_drivers;
50     char ** midi_drivers;
51 capela 125 int * audio_devices;
52     int * midi_devices;
53 capela 103 char ** engines;
54 capela 125 int * channels;
55 capela 103 // Client struct volatile caches.
56     lscp_driver_info_t audio_info;
57     lscp_driver_info_t midi_info;
58     lscp_engine_info_t engine_info;
59     lscp_channel_info_t channel_info;
60     // Result and error status.
61     char * pszResult;
62     int iErrno;
63     // Stream buffers status.
64     lscp_buffer_fill_t *buffer_fill;
65     int iStreamCount;
66     // Transaction call timeout (msecs).
67     int iTimeout;
68     lscp_mutex_t mutex;
69     };
70    
71    
72     //-------------------------------------------------------------------------
73 capela 132 // Local client request executive.
74    
75     lscp_status_t lscp_client_call (lscp_client_t *pClient, const char *pszQuery);
76     void lscp_client_set_result (lscp_client_t *pClient, char *pszResult, int iErrno);
77    
78     //-------------------------------------------------------------------------
79 capela 103 // General utility function prototypes.
80    
81 capela 132 char * lscp_strtok (char *pchBuffer, const char *pszSeps, char **ppch);
82     char * lscp_ltrim (char *psz);
83     char * lscp_unquote (char **ppsz, int dup);
84 capela 103
85 capela 132 char ** lscp_szsplit_create (const char *pszCsv, const char *pszSeps);
86     void lscp_szsplit_destroy (char **ppszSplit);
87 capela 103 #ifdef LSCP_SZSPLIT_COUNT
88 capela 132 int lscp_szsplit_count (char **ppszSplit);
89     int lscp_szsplit_size (char **ppszSplit);
90 capela 103 #endif
91    
92 capela 132 int * lscp_isplit_create (const char *pszCsv, const char *pszSeps);
93     void lscp_isplit_destroy (int *ppiSplit);
94 capela 125 #ifdef LSCP_ISPLIT_COUNT
95 capela 132 int lscp_isplit_count (int *ppiSplit);
96     int lscp_isplit_size (int *ppiSplit);
97 capela 125 #endif
98 capela 103
99     //-------------------------------------------------------------------------
100     // Engine struct helper functions.
101    
102 capela 132 void lscp_engine_info_init (lscp_engine_info_t *pEngineInfo);
103     void lscp_engine_info_reset (lscp_engine_info_t *pEngineInfo);
104 capela 103
105     //-------------------------------------------------------------------------
106     // Channel struct helper functions.
107    
108 capela 132 void lscp_channel_info_init (lscp_channel_info_t *pChannelInfo);
109     void lscp_channel_info_reset (lscp_channel_info_t *pChannelInfo);
110 capela 103
111     //-------------------------------------------------------------------------
112     // Driver struct helper functions.
113    
114 capela 132 void lscp_driver_info_init (lscp_driver_info_t *pDriverInfo);
115     void lscp_driver_info_reset (lscp_driver_info_t *pDriverInfo);
116 capela 103
117    
118     #endif // __LSCP_COMMON_H
119    
120     // end of common.h

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