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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2006-2010 Nokia Corporation
* Copyright (C) 2004-2010 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 <sys/socket.h>
#include <unistd.h>
#include <fcntl.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include <glib.h>
#include <dbus/dbus.h>
#include "glib-helper.h"
#include "btio.h"
#include "plugin.h"
#include "log.h"
#include "device.h"
#include "headset.h"
#include "manager.h"
#include "gateway.h"
static GIOChannel *sco_server = NULL;
static GKeyFile *load_config_file(const char *file)
{
GError *err = NULL;
GKeyFile *keyfile;
keyfile = g_key_file_new();
g_key_file_set_list_separator(keyfile, ',');
if (!g_key_file_load_from_file(keyfile, file, 0, &err)) {
error("Parsing %s failed: %s", file, err->message);
g_error_free(err);
g_key_file_free(keyfile);
return NULL;
}
return keyfile;
}
static void sco_server_cb(GIOChannel *chan, GError *err, gpointer data)
{
int sk;
struct audio_device *device;
char addr[18];
bdaddr_t src, dst;
if (err) {
error("sco_server_cb: %s", err->message);
return;
}
bt_io_get(chan, BT_IO_SCO, &err,
BT_IO_OPT_SOURCE_BDADDR, &src,
BT_IO_OPT_DEST_BDADDR, &dst,
BT_IO_OPT_DEST, addr,
BT_IO_OPT_INVALID);
if (err) {
error("bt_io_get: %s", err->message);
goto drop;
}
device = manager_find_device(NULL, &src, &dst, AUDIO_HEADSET_INTERFACE,
FALSE);
if (!device)
device = manager_find_device(NULL, &src, &dst,
AUDIO_GATEWAY_INTERFACE,
FALSE);
if (!device)
goto drop;
if (device->headset) {
if (headset_get_state(device) < HEADSET_STATE_CONNECTED) {
DBG("Refusing SCO from non-connected headset");
goto drop;
}
if (!headset_get_hfp_active(device)) {
error("Refusing non-HFP SCO connect attempt from %s",
addr);
goto drop;
}
if (headset_connect_sco(device, chan) < 0)
goto drop;
headset_set_state(device, HEADSET_STATE_PLAYING);
} else if (device->gateway) {
if (!gateway_is_connected(device)) {
DBG("Refusing SCO from non-connected AG");
goto drop;
}
if (gateway_connect_sco(device, chan) < 0)
goto drop;
} else
goto drop;
sk = g_io_channel_unix_get_fd(chan);
fcntl(sk, F_SETFL, 0);
DBG("Accepted SCO connection from %s", addr);
return;
drop:
g_io_channel_shutdown(chan, TRUE, NULL);
}
static DBusConnection *connection;
static int audio_init(void)
{
GKeyFile *config;
gboolean enable_sco;
connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
if (connection == NULL)
return -EIO;
config = load_config_file(CONFIGDIR "/audio.conf");
if (audio_manager_init(connection, config, &enable_sco) < 0)
goto failed;
if (!enable_sco)
return 0;
sco_server = bt_io_listen(BT_IO_SCO, sco_server_cb, NULL, NULL,
NULL, NULL,
BT_IO_OPT_INVALID);
if (!sco_server) {
error("Unable to start SCO server socket");
goto failed;
}
return 0;
failed:
audio_manager_exit();
if (connection) {
dbus_connection_unref(connection);
connection = NULL;
}
return -EIO;
}
static void audio_exit(void)
{
if (sco_server) {
g_io_channel_shutdown(sco_server, TRUE, NULL);
g_io_channel_unref(sco_server);
sco_server = NULL;
}
audio_manager_exit();
dbus_connection_unref(connection);
}
BLUETOOTH_PLUGIN_DEFINE(audio, VERSION,
BLUETOOTH_PLUGIN_PRIORITY_DEFAULT, audio_init, audio_exit)
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