diff options
Diffstat (limited to 'audio/main.c')
| -rw-r--r-- | audio/main.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/audio/main.c b/audio/main.c new file mode 100644 index 0000000..745c307 --- /dev/null +++ b/audio/main.c @@ -0,0 +1,194 @@ +/* + * + * 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 (!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) |