summaryrefslogtreecommitdiffstats
path: root/glib/dbus-glib.c
blob: a87087366807ceca69d5e4928d9233c442687679 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-glib.c General GLib binding stuff
 *
 * Copyright (C) 2004 Red Hat, Inc.
 *
 * Licensed under the Academic Free License version 2.1
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <config.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include "dbus-gtest.h"
#include "dbus-gutils.h"

#include <libintl.h>
#define _(x) dgettext (GETTEXT_PACKAGE, x)
#define N_(x) x

/**
 * @addtogroup DBusGLib
 * @{
 */

/**
 * Blocks until outgoing calls and signal emissions have been sent.
 * 
 * @param connection the connection to flush
 */
void
dbus_g_connection_flush (DBusGConnection *connection)
{
  dbus_connection_flush (DBUS_CONNECTION_FROM_G_CONNECTION (connection));
}

/**
 * Increment refcount on a #DBusGConnection
 * 
 * @param connection the connection to ref
 * @returns the connection that was ref'd
 */
DBusGConnection*
dbus_g_connection_ref (DBusGConnection *gconnection)
{
  DBusConnection *c;

  c = DBUS_CONNECTION_FROM_G_CONNECTION (gconnection);
  dbus_connection_ref (c);
  return gconnection;
}


/**
 * Decrement refcount on a #DBusGConnection
 * 
 * @param connection the connection to unref
 */
void
dbus_g_connection_unref (DBusGConnection *gconnection)
{
  DBusConnection *c;

  c = DBUS_CONNECTION_FROM_G_CONNECTION (gconnection);
  dbus_connection_unref (c);
}


/**
 * Increment refcount on a #DBusGMessage
 * 
 * @param message the message to ref
 * @returns the message that was ref'd
 */
DBusGMessage*
dbus_g_message_ref (DBusGMessage *gmessage)
{
  DBusMessage *c;

  c = DBUS_MESSAGE_FROM_G_MESSAGE (gmessage);
  dbus_message_ref (c);
  return gmessage;
}

/**
 * Decrement refcount on a #DBusGMessage
 * 
 * @param message the message to unref
 */
void
dbus_g_message_unref (DBusGMessage *gmessage)
{
  DBusMessage *c;

  c = DBUS_MESSAGE_FROM_G_MESSAGE (gmessage);
  dbus_message_unref (c);
}

/**
 * Increments refcount on a pending call.
 *
 * @param call the call
 * @returns the same call
 */
DBusGPendingCall*
dbus_g_pending_call_ref (DBusGPendingCall  *call)
{
  dbus_pending_call_ref (DBUS_PENDING_CALL_FROM_G_PENDING_CALL (call));
  return call;
}

/**
 * Decrements refcount on a pending call.
 *
 * @param call the call
 */
void
dbus_g_pending_call_unref (DBusGPendingCall  *call)
{
  dbus_pending_call_unref (DBUS_PENDING_CALL_FROM_G_PENDING_CALL (call));
}

/**
 * The implementation of DBUS_GERROR error domain. See documentation
 * for GError in GLib reference manual.
 *
 * @returns the error domain quark for use with GError
 */
GQuark
dbus_g_error_quark (void)
{
  static GQuark quark = 0;
  if (quark == 0)
    quark = g_quark_from_static_string ("g-exec-error-quark");
  return quark;
}


/**
 * Set a GError return location from a DBusError.
 *
 * @todo expand the DBUS_GERROR enum and take advantage of it here
 * 
 * @param gerror location to store a GError, or #NULL
 * @param derror the DBusError
 */
void
dbus_set_g_error (GError   **gerror,
                  DBusError *derror)
{
  g_return_if_fail (derror != NULL);
  g_return_if_fail (dbus_error_is_set (derror));
  
  g_set_error (gerror, DBUS_GERROR,
               DBUS_GERROR_FAILED,
               _("D-BUS error %s: %s"),
               derror->name, derror->message);  
}

/**
 * Get the GLib type ID for a DBusConnection boxed type.
 *
 * @returns GLib type
 */
GType
dbus_connection_get_g_type (void)
{
  static GType our_type = 0;
  
  if (our_type == 0)
    our_type = g_boxed_type_register_static ("DBusConnection",
                                             (GBoxedCopyFunc) dbus_connection_ref,
                                             (GBoxedFreeFunc) dbus_connection_unref);

  return our_type;
}

/**
 * Get the GLib type ID for a DBusMessage boxed type.
 *
 * @returns GLib type
 */
GType
dbus_message_get_g_type (void)
{
  static GType our_type = 0;
  
  if (our_type == 0)
    our_type = g_boxed_type_register_static ("DBusMessage",
                                             (GBoxedCopyFunc) dbus_message_ref,
                                             (GBoxedFreeFunc) dbus_message_unref);

  return our_type;
}

/**
 * Get the GLib type ID for a DBusPendingCall boxed type.
 *
 * @returns GLib type
 */
GType
dbus_pending_call_get_g_type (void)
{
  static GType our_type = 0;
  
  if (our_type == 0)
    our_type = g_boxed_type_register_static ("DBusPendingCall",
                                             (GBoxedCopyFunc) dbus_pending_call_ref,
                                             (GBoxedFreeFunc) dbus_pending_call_unref);

  return our_type;
}

/**
 * Get the GLib type ID for a DBusGConnection boxed type.
 *
 * @returns GLib type
 */
GType
dbus_g_connection_get_g_type (void)
{
  static GType our_type = 0;
  
  if (our_type == 0)
    our_type = g_boxed_type_register_static ("DBusGConnection",
                                             (GBoxedCopyFunc) dbus_g_connection_ref,
                                             (GBoxedFreeFunc) dbus_g_connection_unref);

  return our_type;
}

/**
 * Get the GLib type ID for a DBusGMessage boxed type.
 *
 * @returns GLib type
 */
GType
dbus_g_message_get_g_type (void)
{
  static GType our_type = 0;
  
  if (our_type == 0)
    our_type = g_boxed_type_register_static ("DBusGMessage",
                                             (GBoxedCopyFunc) dbus_g_message_ref,
                                             (GBoxedFreeFunc) dbus_g_message_unref);

  return our_type;
}

/**
 * Get the GLib type ID for a DBusGPendingCall boxed type.
 *
 * @returns GLib type
 */
GType
dbus_g_pending_call_get_g_type (void)
{
  static GType our_type = 0;
  
  if (our_type == 0)
    our_type = g_boxed_type_register_static ("DBusGPendingCall",
                                             (GBoxedCopyFunc) dbus_g_pending_call_ref,
                                             (GBoxedFreeFunc) dbus_g_pending_call_unref);

  return our_type;
}

/**
 * Get the DBusConnection corresponding to this DBusGConnection.
 * The return value does not have its refcount incremented.
 *
 * @returns DBusConnection 
 */
DBusConnection*
dbus_g_connection_get_connection (DBusGConnection *gconnection)
{
  return DBUS_CONNECTION_FROM_G_CONNECTION (gconnection);
}

/**
 * Get the DBusMessage corresponding to this DBusGMessage.
 * The return value does not have its refcount incremented.
 *
 * @returns DBusMessage 
 */
DBusMessage*
dbus_g_message_get_message (DBusGMessage *gmessage)
{
  return DBUS_MESSAGE_FROM_G_MESSAGE (gmessage);
}

typedef struct
{
  DBusGPendingCallNotify func;
  void *data;
  GDestroyNotify free_data_func;
} GPendingNotifyClosure;

static void
d_pending_call_notify (DBusPendingCall *dcall,
                       void            *data)
{
  GPendingNotifyClosure *closure = data;
  DBusGPendingCall *gcall = DBUS_G_PENDING_CALL_FROM_PENDING_CALL (dcall);

  (* closure->func) (gcall, closure->data);
}

static void
d_pending_call_free (void *data)
{
  GPendingNotifyClosure *closure = data;
  
  if (closure->free_data_func)
    (* closure->free_data_func) (closure->data);

  g_free (closure);
}
  
/**
 * Sets up a notification to be invoked when the pending call
 * is ready to be ended without blocking.
 * You can call dbus_g_proxy_end_call() at any time,
 * but it will block if no reply or error has been received yet.
 * This function lets you handle the reply asynchronously.
 *
 * @param call the pending call
 * @param callback the callback
 * @param callback_data data for the callback
 * @param free_data_func free the callback data with this
 */
void
dbus_g_pending_call_set_notify (DBusGPendingCall      *call,
                                DBusGPendingCallNotify callback,
                                void                  *callback_data,
                                GDestroyNotify         free_data_func)
{
  GPendingNotifyClosure *closure;
  DBusPendingCall *dcall;

  g_return_if_fail (callback != NULL);
  
  closure = g_new (GPendingNotifyClosure, 1);

  closure->func = callback;
  closure->data = callback_data;
  closure->free_data_func = free_data_func;

  dcall = DBUS_PENDING_CALL_FROM_G_PENDING_CALL (call);
  dbus_pending_call_set_notify (dcall, d_pending_call_notify,
                                closure,
                                d_pending_call_free);
}

/**
 * Cancels a pending call. Does not affect the reference count
 * of the call, but it means you will never be notified of call
 * completion, and can't call dbus_g_proxy_end_call().
 *
 * @param call the call
 */
void
dbus_g_pending_call_cancel (DBusGPendingCall *call)
{
  DBusPendingCall *dcall;
  
  dcall = DBUS_PENDING_CALL_FROM_G_PENDING_CALL (call);

  dbus_pending_call_cancel (dcall);
}

/** @} */ /* end of public API */


#ifdef DBUS_BUILD_TESTS

/**
 * @ingroup DBusGLibInternals
 * Unit test for general glib stuff
 * @returns #TRUE on success.
 */
gboolean
_dbus_glib_test (const char *test_data_dir)
{
  
  return TRUE;
}

#endif /* DBUS_BUILD_TESTS */