mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-11-25 13:14:14 +08:00
d2a6bf00af
In order to avoid race conditions for setting the Class of Device asynchronously a queuing mechanism is needed. This patch implements that by having the following variables in the adapter struct: adapter->current_cod The currently set CoD adapter->pending_cod CoD of a hci_write_cod command which didn't complete yet. adapter->wanted_cod The CoD value that is ultimately desired but might not have been set yet.
148 lines
3.7 KiB
C
148 lines
3.7 KiB
C
/*
|
|
*
|
|
* BlueZ - Bluetooth protocol stack for Linux
|
|
*
|
|
* Copyright (C) 2004-2009 Marcel Holtmann <marcel@holtmann.org>
|
|
*
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
#include <dbus/dbus.h>
|
|
|
|
#include <bluetooth/bluetooth.h>
|
|
#include <bluetooth/hci.h>
|
|
#include <bluetooth/hci_lib.h>
|
|
|
|
#include "plugin.h"
|
|
#include "adapter.h"
|
|
#include "logging.h"
|
|
#include "dbus-hci.h"
|
|
|
|
static void formfactor_reply(DBusPendingCall *call, void *user_data)
|
|
{
|
|
struct btd_adapter *adapter = user_data;
|
|
const char *formfactor = NULL;
|
|
DBusMessage *reply;
|
|
uint8_t minor = 0;
|
|
|
|
reply = dbus_pending_call_steal_reply(call);
|
|
|
|
if (dbus_set_error_from_message(NULL, reply) == TRUE) {
|
|
error("Failed to access HAL");
|
|
dbus_message_unref(reply);
|
|
return;
|
|
}
|
|
|
|
if (dbus_message_get_args(reply, NULL, DBUS_TYPE_STRING, &formfactor,
|
|
DBUS_TYPE_INVALID) == FALSE) {
|
|
error("Wrong formfactor arguments");
|
|
dbus_message_unref(reply);
|
|
return;
|
|
}
|
|
|
|
debug("Computer is classified as %s", formfactor);
|
|
|
|
if (formfactor != NULL) {
|
|
if (g_str_equal(formfactor, "laptop") == TRUE)
|
|
minor |= (1 << 2) | (1 << 3);
|
|
else if (g_str_equal(formfactor, "desktop") == TRUE)
|
|
minor |= 1 << 2;
|
|
else if (g_str_equal(formfactor, "server") == TRUE)
|
|
minor |= 1 << 3;
|
|
else if (g_str_equal(formfactor, "handheld") == TRUE)
|
|
minor += 1 << 4;
|
|
}
|
|
|
|
dbus_message_unref(reply);
|
|
|
|
/* Computer major class */
|
|
debug("Setting 0x%06x for major/minor device class", (1 << 8) | minor);
|
|
|
|
btd_adapter_set_class(adapter, 0x01, minor);
|
|
}
|
|
|
|
static DBusConnection *connection;
|
|
|
|
static int hal_probe(struct btd_adapter *adapter)
|
|
{
|
|
const char *property = "system.formfactor";
|
|
DBusMessage *message;
|
|
DBusPendingCall *call;
|
|
|
|
connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
|
|
if (connection == NULL)
|
|
return -ENOMEM;
|
|
|
|
message = dbus_message_new_method_call("org.freedesktop.Hal",
|
|
"/org/freedesktop/Hal/devices/computer",
|
|
"org.freedesktop.Hal.Device",
|
|
"GetPropertyString");
|
|
if (message == NULL) {
|
|
error("Failed to create formfactor request");
|
|
dbus_connection_unref(connection);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dbus_message_append_args(message, DBUS_TYPE_STRING, &property,
|
|
DBUS_TYPE_INVALID);
|
|
|
|
if (dbus_connection_send_with_reply(connection, message,
|
|
&call, -1) == FALSE) {
|
|
error("Failed to send formfactor request");
|
|
dbus_message_unref(message);
|
|
dbus_connection_unref(connection);
|
|
return -EIO;
|
|
}
|
|
|
|
dbus_pending_call_set_notify(call, formfactor_reply, adapter, NULL);
|
|
|
|
dbus_pending_call_unref(call);
|
|
|
|
dbus_message_unref(message);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hal_remove(struct btd_adapter *adapter)
|
|
{
|
|
dbus_connection_unref(connection);
|
|
}
|
|
|
|
static struct btd_adapter_driver hal_driver = {
|
|
.name = "hal",
|
|
.probe = hal_probe,
|
|
.remove = hal_remove,
|
|
};
|
|
|
|
static int hal_init(void)
|
|
{
|
|
return btd_register_adapter_driver(&hal_driver);
|
|
}
|
|
|
|
static void hal_exit(void)
|
|
{
|
|
btd_unregister_adapter_driver(&hal_driver);
|
|
}
|
|
|
|
BLUETOOTH_PLUGIN_DEFINE(hal, VERSION,
|
|
BLUETOOTH_PLUGIN_PRIORITY_LOW, hal_init, hal_exit)
|