trunk/src/common.h

// common.h
//
/****************************************************************************
   liblscp - LinuxSampler Control Protocol API
   Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

*****************************************************************************/

#ifndef __LSCP_COMMON_H
#define __LSCP_COMMON_H

#include "lscp/client.h"
#include "lscp/device.h"


// Case unsensitive comparison substitutes.
#if defined(WIN32)
#define strcasecmp      stricmp
#define strncasecmp     strnicmp
#endif

//-------------------------------------------------------------------------
// Client opaque descriptor struct.

struct _lscp_client_t
{
    // Client socket stuff.
    lscp_client_proc_t  pfnCallback;
    void *              pvData;
    lscp_socket_agent_t cmd;
    lscp_socket_agent_t evt;
    // Subscribed events.
    lscp_event_t        events;
    // Client struct persistent caches.
    char **             audio_drivers;
    char **             midi_drivers;
    int  *              audio_devices;
    int  *              midi_devices;
    char **             engines;
    int  *              channels;
    // Client struct volatile caches.
    lscp_driver_info_t  audio_driver_info;
    lscp_driver_info_t  midi_driver_info;
    lscp_device_info_t  audio_device_info;
    lscp_device_info_t  midi_device_info;
    lscp_param_info_t   audio_param_info;
    lscp_param_info_t   midi_param_info;
    lscp_device_port_info_t audio_channel_info;
    lscp_device_port_info_t midi_port_info;
    lscp_param_info_t   audio_channel_param_info;
    lscp_param_info_t   midi_port_param_info;
    lscp_engine_info_t  engine_info;
    lscp_channel_info_t channel_info;
    // Result and error status.
    char *              pszResult;
    int                 iErrno;
    // Stream buffers status.
    lscp_buffer_fill_t *buffer_fill;
    int                 iStreamCount;
    // Transaction call timeout (msecs).
    int                 iTimeout;
    lscp_mutex_t        mutex;
    lscp_cond_t         cond;
};


//-------------------------------------------------------------------------
// Local client request executive.

lscp_status_t   lscp_client_call            (lscp_client_t *pClient, const char *pszQuery);
void            lscp_client_set_result      (lscp_client_t *pClient, char *pszResult, int iErrno);

//-------------------------------------------------------------------------
// General utility function prototypes.

char *          lscp_strtok                 (char *pchBuffer, const char *pszSeps, char **ppch);
char *          lscp_ltrim                  (char *psz);
char *          lscp_unquote                (char **ppsz, int dup);

char **         lscp_szsplit_create         (const char *pszCsv, const char *pszSeps);
void            lscp_szsplit_destroy        (char **ppszSplit);
#ifdef LSCP_SZSPLIT_COUNT
int             lscp_szsplit_count          (char **ppszSplit);
int             lscp_szsplit_size           (char **ppszSplit);
#endif

int *           lscp_isplit_create          (const char *pszCsv, const char *pszSeps);
void            lscp_isplit_destroy         (int *piSplit);
#ifdef LSCP_ISPLIT_COUNT
int             lscp_isplit_count           (int *piSplit);
int             lscp_isplit_size            (int *piSplit);
#endif

lscp_param_t *  lscp_psplit_create          (const char *pszCsv, const char *pszSep1, const char *pszSep2);
void            lscp_psplit_destroy         (lscp_param_t *ppSplit);
#ifdef LSCP_PSPLIT_COUNT
int             lscp_psplit_count           (lscp_param_t *ppSplit);
int             lscp_psplit_size            (lscp_param_t *ppSplit);
#endif

void            lscp_plist_alloc       (lscp_param_t **ppList);
void            lscp_plist_free        (lscp_param_t **ppList);
void            lscp_plist_append      (lscp_param_t **ppList, const char *pszKey, const char *pszValue);
#ifdef LSCP_PLIST_COUNT
int             lscp_plist_count       (lscp_param_t **ppList);
int             lscp_plist_size        (lscp_param_t **ppList);
#endif

//-------------------------------------------------------------------------
// Engine struct helper functions.

void            lscp_engine_info_init       (lscp_engine_info_t *pEngineInfo);
void            lscp_engine_info_free       (lscp_engine_info_t *pEngineInfo);
void            lscp_engine_info_reset      (lscp_engine_info_t *pEngineInfo);

//-------------------------------------------------------------------------
// Channel struct helper functions.

void            lscp_channel_info_init      (lscp_channel_info_t *pChannelInfo);
void            lscp_channel_info_free      (lscp_channel_info_t *pChannelInfo);
void            lscp_channel_info_reset     (lscp_channel_info_t *pChannelInfo);

//-------------------------------------------------------------------------
// Driver struct helper functions.

void            lscp_driver_info_init       (lscp_driver_info_t *pDriverInfo);
void            lscp_driver_info_free       (lscp_driver_info_t *pDriverInfo);
void            lscp_driver_info_reset      (lscp_driver_info_t *pDriverInfo);

//-------------------------------------------------------------------------
// Device struct helper functions.

void            lscp_device_info_init       (lscp_device_info_t *pDeviceInfo);
void            lscp_device_info_free       (lscp_device_info_t *pDeviceInfo);
void            lscp_device_info_reset      (lscp_device_info_t *pDeviceInfo);

//-------------------------------------------------------------------------
// Device channel/port struct helper functions.

void            lscp_device_port_info_init  (lscp_device_port_info_t *pDevicePortInfo);
void            lscp_device_port_info_free  (lscp_device_port_info_t *pDevicePortInfo);
void            lscp_device_port_info_reset (lscp_device_port_info_t *pDevicePortInfo);

//-------------------------------------------------------------------------
// Parameter struct helper functions.

void            lscp_param_info_init        (lscp_param_info_t *pParamInfo);
void            lscp_param_info_free        (lscp_param_info_t *pParamInfo);
void            lscp_param_info_reset       (lscp_param_info_t *pParamInfo);

//-------------------------------------------------------------------------
// Concatenate a parameter list (key='value'...) into a string.

int             lscp_param_concat           (char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams);


#endif // __LSCP_COMMON_H

// end of common.h
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	144	// Subscribed events.
47			lscp_event_t events;
48	capela	103	// 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	capela	171	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	capela	163	lscp_param_info_t audio_param_info;
61			lscp_param_info_t midi_param_info;
62	capela	171	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	capela	103	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	capela	177	lscp_cond_t cond;
78	capela	103	};
79
80
81			//-------------------------------------------------------------------------
82	capela	132	// 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	capela	103	// General utility function prototypes.
89
90	capela	132	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	capela	103
94	capela	132	char ** lscp_szsplit_create (const char pszCsv, const char pszSeps);
95			void lscp_szsplit_destroy (char **ppszSplit);
96	capela	103	#ifdef LSCP_SZSPLIT_COUNT
97	capela	132	int lscp_szsplit_count (char **ppszSplit);
98			int lscp_szsplit_size (char **ppszSplit);
99	capela	103	#endif
100
101	capela	132	int * lscp_isplit_create (const char pszCsv, const char pszSeps);
102	capela	158	void lscp_isplit_destroy (int *piSplit);
103	capela	125	#ifdef LSCP_ISPLIT_COUNT
104	capela	158	int lscp_isplit_count (int *piSplit);
105			int lscp_isplit_size (int *piSplit);
106	capela	125	#endif
107	capela	103
108	capela	158	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	capela	171	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	capela	103	//-------------------------------------------------------------------------
124			// Engine struct helper functions.
125
126	capela	132	void lscp_engine_info_init (lscp_engine_info_t *pEngineInfo);
127	capela	179	void lscp_engine_info_free (lscp_engine_info_t *pEngineInfo);
128	capela	132	void lscp_engine_info_reset (lscp_engine_info_t *pEngineInfo);
129	capela	103
130			//-------------------------------------------------------------------------
131			// Channel struct helper functions.
132
133	capela	132	void lscp_channel_info_init (lscp_channel_info_t *pChannelInfo);
134	capela	179	void lscp_channel_info_free (lscp_channel_info_t *pChannelInfo);
135	capela	132	void lscp_channel_info_reset (lscp_channel_info_t *pChannelInfo);
136	capela	103
137			//-------------------------------------------------------------------------
138			// Driver struct helper functions.
139
140	capela	132	void lscp_driver_info_init (lscp_driver_info_t *pDriverInfo);
141	capela	179	void lscp_driver_info_free (lscp_driver_info_t *pDriverInfo);
142	capela	132	void lscp_driver_info_reset (lscp_driver_info_t *pDriverInfo);
143	capela	103
144	capela	163	//-------------------------------------------------------------------------
145	capela	171	// Device struct helper functions.
146
147			void lscp_device_info_init (lscp_device_info_t *pDeviceInfo);
148	capela	179	void lscp_device_info_free (lscp_device_info_t *pDeviceInfo);
149	capela	171	void lscp_device_info_reset (lscp_device_info_t *pDeviceInfo);
150
151			//-------------------------------------------------------------------------
152			// Device channel/port struct helper functions.
153
154			void lscp_device_port_info_init (lscp_device_port_info_t *pDevicePortInfo);
155	capela	179	void lscp_device_port_info_free (lscp_device_port_info_t *pDevicePortInfo);
156	capela	171	void lscp_device_port_info_reset (lscp_device_port_info_t *pDevicePortInfo);
157
158			//-------------------------------------------------------------------------
159	capela	163	// Parameter struct helper functions.
160	capela	103
161	capela	163	void lscp_param_info_init (lscp_param_info_t *pParamInfo);
162	capela	179	void lscp_param_info_free (lscp_param_info_t *pParamInfo);
163	capela	163	void lscp_param_info_reset (lscp_param_info_t *pParamInfo);
164
165			//-------------------------------------------------------------------------
166			// Concatenate a parameter list (key='value'...) into a string.
167
168			int lscp_param_concat (char pszBuffer, int cchMaxBuffer, lscp_param_t pParams);
169
170
171	capela	103	#endif // __LSCP_COMMON_H
172
173			// end of common.h