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/* PipeWire
*
* Copyright © 2019 Wim Taymans
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <errno.h>
#include <dbus/dbus.h>
#include <spa/support/dbus.h>
#include <spa/support/plugin.h>
#include <pipewire/context.h>
#include "log.h"
#include "dbus-name.h"
void *dbus_request_name(struct pw_context *context, const char *name)
{
struct spa_dbus *dbus;
struct spa_dbus_connection *conn;
const struct spa_support *support;
uint32_t n_support;
DBusConnection *bus;
DBusError error;
support = pw_context_get_support(context, &n_support);
dbus = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_DBus);
if (dbus == NULL) {
errno = ENOTSUP;
return NULL;
}
conn = spa_dbus_get_connection(dbus, SPA_DBUS_TYPE_SESSION);
if (conn == NULL)
return NULL;
bus = spa_dbus_connection_get(conn);
if (bus == NULL) {
spa_dbus_connection_destroy(conn);
return NULL;
}
dbus_error_init(&error);
if (dbus_bus_request_name(bus, name,
DBUS_NAME_FLAG_DO_NOT_QUEUE,
&error) == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER)
return conn;
if (dbus_error_is_set(&error))
pw_log_error("Failed to acquire %s: %s: %s", name, error.name, error.message);
else
pw_log_error("D-Bus name %s already taken.", name);
dbus_error_free(&error);
spa_dbus_connection_destroy(conn);
errno = EEXIST;
return NULL;
}
void dbus_release_name(void *data)
{
struct spa_dbus_connection *conn = data;
spa_dbus_connection_destroy(conn);
}
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