2 This file is part of PulseAudio.
4 Copyright 2009 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
28 #include <pulse/xmalloc.h>
29 #include <pulse/i18n.h>
31 #include <pulsecore/core-error.h>
32 #include <pulsecore/core-util.h>
33 #include <pulsecore/shared.h>
36 #include <pulsecore/dbus-shared.h>
38 #include "reserve-monitor.h"
41 #include "reserve-wrap.h"
43 struct pa_reserve_wrapper
{
49 pa_dbus_connection
*connection
;
50 struct rd_device
*device
;
54 struct pa_reserve_monitor_wrapper
{
60 pa_dbus_connection
*connection
;
61 struct rm_monitor
*monitor
;
65 static void reserve_wrapper_free(pa_reserve_wrapper
*r
) {
70 rd_release(r
->device
);
73 pa_dbus_connection_unref(r
->connection
);
76 pa_hook_done(&r
->hook
);
79 pa_assert_se(pa_shared_remove(r
->core
, r
->shared_name
) >= 0);
80 pa_xfree(r
->shared_name
);
87 static int request_cb(rd_device
*d
, int forced
) {
88 pa_reserve_wrapper
*r
;
92 pa_assert_se(r
= rd_get_userdata(d
));
93 pa_assert(PA_REFCNT_VALUE(r
) >= 1);
97 k
= pa_hook_fire(&r
->hook
, PA_INT_TO_PTR(forced
));
98 pa_log_debug("Device unlock of %s has been requested and %s.", r
->shared_name
, k
< 0 ? "failed" : "succeeded");
100 pa_reserve_wrapper_unref(r
);
102 return k
< 0 ? -1 : 1;
106 pa_reserve_wrapper
* pa_reserve_wrapper_get(pa_core
*c
, const char *device_name
) {
107 pa_reserve_wrapper
*r
;
113 dbus_error_init(&error
);
117 pa_assert(device_name
);
119 t
= pa_sprintf_malloc("reserve-wrapper@%s", device_name
);
121 if ((r
= pa_shared_get(c
, t
))) {
124 pa_assert(PA_REFCNT_VALUE(r
) >= 1);
130 r
= pa_xnew0(pa_reserve_wrapper
, 1);
133 pa_hook_init(&r
->hook
, r
);
136 pa_assert_se(pa_shared_set(c
, r
->shared_name
, r
) >= 0);
139 if (!(r
->connection
= pa_dbus_bus_get(c
, DBUS_BUS_SESSION
, &error
)) || dbus_error_is_set(&error
)) {
140 pa_log_debug("Unable to contact D-Bus session bus: %s: %s", error
.name
, error
.message
);
142 /* We don't treat this as error here because we want allow PA
143 * to run even when no session bus is available. */
149 pa_dbus_connection_get(r
->connection
),
151 _("PulseAudio Sound Server"),
157 pa_log_debug("Device '%s' already locked.", device_name
);
160 pa_log_debug("Failed to acquire reservation lock on device '%s': %s", device_name
, pa_cstrerror(-k
));
165 pa_log_debug("Successfully acquired reservation lock on device '%s'", device_name
);
167 rd_set_userdata(r
->device
, r
);
171 dbus_error_free(&error
);
173 reserve_wrapper_free(r
);
181 void pa_reserve_wrapper_unref(pa_reserve_wrapper
*r
) {
183 pa_assert(PA_REFCNT_VALUE(r
) >= 1);
185 if (PA_REFCNT_DEC(r
) > 0)
188 reserve_wrapper_free(r
);
191 pa_hook
* pa_reserve_wrapper_hook(pa_reserve_wrapper
*r
) {
193 pa_assert(PA_REFCNT_VALUE(r
) >= 1);
198 void pa_reserve_wrapper_set_application_device_name(pa_reserve_wrapper
*r
, const char *name
) {
200 pa_assert(PA_REFCNT_VALUE(r
) >= 1);
203 rd_set_application_device_name(r
->device
, name
);
207 static void reserve_monitor_wrapper_free(pa_reserve_monitor_wrapper
*w
) {
212 rm_release(w
->monitor
);
215 pa_dbus_connection_unref(w
->connection
);
218 pa_hook_done(&w
->hook
);
220 if (w
->shared_name
) {
221 pa_assert_se(pa_shared_remove(w
->core
, w
->shared_name
) >= 0);
222 pa_xfree(w
->shared_name
);
229 static void change_cb(rm_monitor
*m
) {
230 pa_reserve_monitor_wrapper
*w
;
234 pa_assert_se(w
= rm_get_userdata(m
));
235 pa_assert(PA_REFCNT_VALUE(w
) >= 1);
239 if ((k
= rm_busy(w
->monitor
)) < 0)
242 pa_hook_fire(&w
->hook
, PA_INT_TO_PTR(!!k
));
243 pa_log_debug("Device lock status of %s changed: %s", w
->shared_name
, k
? "busy" : "not busy");
245 pa_reserve_monitor_wrapper_unref(w
);
249 pa_reserve_monitor_wrapper
* pa_reserve_monitor_wrapper_get(pa_core
*c
, const char *device_name
) {
250 pa_reserve_monitor_wrapper
*w
;
256 dbus_error_init(&error
);
260 pa_assert(device_name
);
262 t
= pa_sprintf_malloc("reserve-monitor-wrapper@%s", device_name
);
264 if ((w
= pa_shared_get(c
, t
))) {
267 pa_assert(PA_REFCNT_VALUE(w
) >= 1);
273 w
= pa_xnew0(pa_reserve_monitor_wrapper
, 1);
276 pa_hook_init(&w
->hook
, w
);
279 pa_assert_se(pa_shared_set(c
, w
->shared_name
, w
) >= 0);
282 if (!(w
->connection
= pa_dbus_bus_get(c
, DBUS_BUS_SESSION
, &error
)) || dbus_error_is_set(&error
)) {
283 pa_log_debug("Unable to contact D-Bus session bus: %s: %s", error
.name
, error
.message
);
285 /* We don't treat this as error here because we want allow PA
286 * to run even when no session bus is available. */
292 pa_dbus_connection_get(w
->connection
),
297 pa_log_debug("Failed to create watch on device '%s': %s", device_name
, pa_cstrerror(-k
));
301 pa_log_debug("Successfully create reservation lock monitor for device '%s'", device_name
);
303 rm_set_userdata(w
->monitor
, w
);
307 dbus_error_free(&error
);
309 reserve_monitor_wrapper_free(w
);
317 void pa_reserve_monitor_wrapper_unref(pa_reserve_monitor_wrapper
*w
) {
319 pa_assert(PA_REFCNT_VALUE(w
) >= 1);
321 if (PA_REFCNT_DEC(w
) > 0)
324 reserve_monitor_wrapper_free(w
);
327 pa_hook
* pa_reserve_monitor_wrapper_hook(pa_reserve_monitor_wrapper
*w
) {
329 pa_assert(PA_REFCNT_VALUE(w
) >= 1);
334 pa_bool_t
pa_reserve_monitor_wrapper_busy(pa_reserve_monitor_wrapper
*w
) {
337 pa_assert(PA_REFCNT_VALUE(w
) >= 1);
340 return rm_busy(w
->monitor
) > 0;