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spa: bluez: dbus: do not use NameHasOwner()

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Commit 947ee152d3 ("bluez: check dbus service before enumerating objects")
introduced a check that would esure that GetManagedObjects()
is not called if the "org.bluez" name has no owner. This
was done to avoid auto-starting the bluez daemon.

However, this is not needed because it is possible to set on
a per-message basis whether or not the destination service
should be automatically started by the dbus daemon.
This commit is contained in:
Barnabás Pőcze 2022-10-08 01:23:13 +02:00
parent 1d3497b0cd
commit 8ca5c0f15b
1 changed files with 3 additions and 67 deletions
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70
spa/plugins/bluez5/bluez5-dbus.c
View file

@ -4320,6 +4320,8 @@ static void get_managed_objects(struct spa_bt_monitor *monitor)
"org.freedesktop.DBus.ObjectManager",
"GetManagedObjects");
dbus_message_set_auto_start(m, false);
dbus_connection_send_with_reply(monitor->conn, m, &call, -1);
dbus_pending_call_set_notify(call, get_managed_objects_reply, monitor, NULL);
dbus_message_unref(m);
@ -4327,72 +4329,6 @@ static void get_managed_objects(struct spa_bt_monitor *monitor)
monitor->get_managed_objects_call = call;
}
static void check_name_owner_reply(DBusPendingCall *pending, void *user_data)
{
struct spa_bt_monitor *monitor = user_data;
DBusMessage *r;
DBusError error;
bool running;
r = dbus_pending_call_steal_reply(pending);
dbus_pending_call_unref(pending);
if (r == NULL)
return;
if (dbus_message_is_error(r, DBUS_ERROR_UNKNOWN_METHOD)) {
spa_log_warn(monitor->log, "BlueZ D-Bus ObjectManager not available");
goto finish;
}
if (dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR) {
spa_log_error(monitor->log, "NameHasOwner() failed: %s",
dbus_message_get_error_name(r));
goto finish;
}
if (!spa_streq(dbus_message_get_signature(r), "b")) {
spa_log_error(monitor->log, "Invalid reply signature for NameHasOwner()");
goto finish;
}
dbus_error_init(&error);
dbus_message_get_args(r, &error, DBUS_TYPE_BOOLEAN, &running, DBUS_TYPE_INVALID);
if (dbus_error_is_set(&error)) {
spa_log_error(monitor->log, "Could not check bluetooth service: %s", error.message);
dbus_error_free(&error);
goto finish;
}
spa_log_info(monitor->log, "bluetooth service running: %s",
running ? "yes" : "no");
if (running)
get_managed_objects(monitor);
finish:
dbus_message_unref(r);
return;
}
static void check_name_owner(struct spa_bt_monitor *monitor)
{
DBusMessage *m;
DBusPendingCall *call;
const char *service = BLUEZ_SERVICE;
m = dbus_message_new_method_call("org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
"NameHasOwner");
if (m == NULL)
return;
dbus_message_append_args(m, DBUS_TYPE_STRING, &service, DBUS_TYPE_INVALID);
dbus_connection_send_with_reply(monitor->conn, m, &call, -1);
dbus_pending_call_set_notify(call, check_name_owner_reply, monitor, NULL);
dbus_message_unref(m);
}
static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *m, void *user_data)
{
struct spa_bt_monitor *monitor = user_data;
@ -4651,7 +4587,7 @@ impl_device_add_listener(void *object, struct spa_hook *listener,
spa_hook_list_isolate(&this->hooks, &save, listener, events, data);
add_filters(this);
check_name_owner(this);
get_managed_objects(this);
spa_hook_list_join(&this->hooks, &save);