blob: f9b460eff1721b462da19ec37828ea368e1cb522 [file] [log] [blame]
/*
*
* 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 <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdint.h>
#include <sys/stat.h>
#include <dirent.h>
#include <ctype.h>
#include <signal.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include <glib.h>
#include <dbus/dbus.h>
#include <gdbus.h>
#include "glib-helper.h"
#include "btio.h"
#include "../src/adapter.h"
#include "../src/manager.h"
#include "../src/device.h"
#include "log.h"
#include "textfile.h"
#include "ipc.h"
#include "device.h"
#include "error.h"
#include "avdtp.h"
#include "media.h"
#include "a2dp.h"
#include "headset.h"
#include "gateway.h"
#include "sink.h"
#include "source.h"
#include "control.h"
#include "manager.h"
#include "sdpd.h"
#include "telephony.h"
#include "unix.h"
#ifndef DBUS_TYPE_UNIX_FD
#define DBUS_TYPE_UNIX_FD -1
#endif
typedef enum {
HEADSET = 1 << 0,
GATEWAY = 1 << 1,
SINK = 1 << 2,
SOURCE = 1 << 3,
CONTROL = 1 << 4,
TARGET = 1 << 5,
INVALID = 1 << 6
} audio_service_type;
typedef enum {
GENERIC_AUDIO = 0,
ADVANCED_AUDIO,
AV_REMOTE,
GET_RECORDS
} audio_sdp_state_t;
struct audio_adapter {
struct btd_adapter *btd_adapter;
gboolean powered;
uint32_t hsp_ag_record_id;
uint32_t hfp_ag_record_id;
uint32_t hfp_hs_record_id;
GIOChannel *hsp_ag_server;
GIOChannel *hfp_ag_server;
GIOChannel *hfp_hs_server;
gint ref;
};
static gboolean auto_connect = TRUE;
static int max_connected_headsets = 1;
static DBusConnection *connection = NULL;
static GKeyFile *config = NULL;
static GSList *adapters = NULL;
static GSList *devices = NULL;
static struct enabled_interfaces enabled = {
.hfp = TRUE,
.headset = TRUE,
.gateway = FALSE,
.sink = TRUE,
.source = FALSE,
.control = TRUE,
.socket = TRUE,
.media = FALSE
};
static struct audio_adapter *find_adapter(GSList *list,
struct btd_adapter *btd_adapter)
{
GSList *l;
for (l = list; l; l = l->next) {
struct audio_adapter *adapter = l->data;
if (adapter->btd_adapter == btd_adapter)
return adapter;
}
return NULL;
}
gboolean server_is_enabled(bdaddr_t *src, uint16_t svc)
{
switch (svc) {
case HEADSET_SVCLASS_ID:
return enabled.headset;
case HEADSET_AGW_SVCLASS_ID:
return FALSE;
case HANDSFREE_SVCLASS_ID:
return enabled.headset && enabled.hfp;
case HANDSFREE_AGW_SVCLASS_ID:
return enabled.gateway;
case AUDIO_SINK_SVCLASS_ID:
return enabled.sink;
case AUDIO_SOURCE_SVCLASS_ID:
return enabled.source;
case AV_REMOTE_TARGET_SVCLASS_ID:
case AV_REMOTE_SVCLASS_ID:
return enabled.control;
default:
return FALSE;
}
}
static void handle_uuid(const char *uuidstr, struct audio_device *device)
{
uuid_t uuid;
uint16_t uuid16;
if (bt_string2uuid(&uuid, uuidstr) < 0) {
error("%s not detected as an UUID-128", uuidstr);
return;
}
if (!sdp_uuid128_to_uuid(&uuid) && uuid.type != SDP_UUID16) {
error("Could not convert %s to a UUID-16", uuidstr);
return;
}
uuid16 = uuid.value.uuid16;
if (!server_is_enabled(&device->src, uuid16)) {
DBG("server not enabled for %s (0x%04x)", uuidstr, uuid16);
return;
}
switch (uuid16) {
case HEADSET_SVCLASS_ID:
DBG("Found Headset record");
if (device->headset)
headset_update(device, uuid16, uuidstr);
else
device->headset = headset_init(device, uuid16,
uuidstr);
break;
case HEADSET_AGW_SVCLASS_ID:
DBG("Found Headset AG record");
break;
case HANDSFREE_SVCLASS_ID:
DBG("Found Handsfree record");
if (device->headset)
headset_update(device, uuid16, uuidstr);
else
device->headset = headset_init(device, uuid16,
uuidstr);
break;
case HANDSFREE_AGW_SVCLASS_ID:
DBG("Found Handsfree AG record");
if (enabled.gateway && (device->gateway == NULL))
device->gateway = gateway_init(device);
break;
case AUDIO_SINK_SVCLASS_ID:
DBG("Found Audio Sink");
if (device->sink == NULL)
device->sink = sink_init(device);
break;
case AUDIO_SOURCE_SVCLASS_ID:
DBG("Found Audio Source");
if (device->source == NULL)
device->source = source_init(device);
break;
case AV_REMOTE_SVCLASS_ID:
case AV_REMOTE_TARGET_SVCLASS_ID:
DBG("Found AV %s", uuid16 == AV_REMOTE_SVCLASS_ID ?
"Remote" : "Target");
if (device->control)
control_update(device, uuid16);
else
device->control = control_init(device, uuid16);
if (device->sink && sink_is_active(device))
avrcp_connect(device);
break;
default:
DBG("Unrecognized UUID: 0x%04X", uuid16);
break;
}
}
static sdp_record_t *hsp_ag_record(uint8_t ch)
{
sdp_list_t *svclass_id, *pfseq, *apseq, *root;
uuid_t root_uuid, svclass_uuid, ga_svclass_uuid;
uuid_t l2cap_uuid, rfcomm_uuid;
sdp_profile_desc_t profile;
sdp_record_t *record;
sdp_list_t *aproto, *proto[2];
sdp_data_t *channel;
record = sdp_record_alloc();
if (!record)
return NULL;
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(0, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&svclass_uuid, HEADSET_AGW_SVCLASS_ID);
svclass_id = sdp_list_append(0, &svclass_uuid);
sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID);
svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid);
sdp_set_service_classes(record, svclass_id);
sdp_uuid16_create(&profile.uuid, HEADSET_PROFILE_ID);
profile.version = 0x0102;
pfseq = sdp_list_append(0, &profile);
sdp_set_profile_descs(record, pfseq);
sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
proto[0] = sdp_list_append(0, &l2cap_uuid);
apseq = sdp_list_append(0, proto[0]);
sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
proto[1] = sdp_list_append(0, &rfcomm_uuid);
channel = sdp_data_alloc(SDP_UINT8, &ch);
proto[1] = sdp_list_append(proto[1], channel);
apseq = sdp_list_append(apseq, proto[1]);
aproto = sdp_list_append(0, apseq);
sdp_set_access_protos(record, aproto);
sdp_set_info_attr(record, "Headset Audio Gateway", 0, 0);
sdp_data_free(channel);
sdp_list_free(proto[0], 0);
sdp_list_free(proto[1], 0);
sdp_list_free(apseq, 0);
sdp_list_free(pfseq, 0);
sdp_list_free(aproto, 0);
sdp_list_free(root, 0);
sdp_list_free(svclass_id, 0);
return record;
}
static sdp_record_t *hfp_hs_record(uint8_t ch)
{
sdp_list_t *svclass_id, *pfseq, *apseq, *root;
uuid_t root_uuid, svclass_uuid, ga_svclass_uuid;
uuid_t l2cap_uuid, rfcomm_uuid;
sdp_profile_desc_t profile;
sdp_record_t *record;
sdp_list_t *aproto, *proto[2];
sdp_data_t *channel;
record = sdp_record_alloc();
if (!record)
return NULL;
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(0, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&svclass_uuid, HANDSFREE_SVCLASS_ID);
svclass_id = sdp_list_append(0, &svclass_uuid);
sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID);
svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid);
sdp_set_service_classes(record, svclass_id);
sdp_uuid16_create(&profile.uuid, HANDSFREE_PROFILE_ID);
profile.version = 0x0105;
pfseq = sdp_list_append(0, &profile);
sdp_set_profile_descs(record, pfseq);
sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
proto[0] = sdp_list_append(0, &l2cap_uuid);
apseq = sdp_list_append(0, proto[0]);
sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
proto[1] = sdp_list_append(0, &rfcomm_uuid);
channel = sdp_data_alloc(SDP_UINT8, &ch);
proto[1] = sdp_list_append(proto[1], channel);
apseq = sdp_list_append(apseq, proto[1]);
aproto = sdp_list_append(0, apseq);
sdp_set_access_protos(record, aproto);
sdp_set_info_attr(record, "Hands-Free", 0, 0);
sdp_data_free(channel);
sdp_list_free(proto[0], 0);
sdp_list_free(proto[1], 0);
sdp_list_free(apseq, 0);
sdp_list_free(pfseq, 0);
sdp_list_free(aproto, 0);
sdp_list_free(root, 0);
sdp_list_free(svclass_id, 0);
return record;
}
static sdp_record_t *hfp_ag_record(uint8_t ch, uint32_t feat)
{
sdp_list_t *svclass_id, *pfseq, *apseq, *root;
uuid_t root_uuid, svclass_uuid, ga_svclass_uuid;
uuid_t l2cap_uuid, rfcomm_uuid;
sdp_profile_desc_t profile;
sdp_list_t *aproto, *proto[2];
sdp_record_t *record;
sdp_data_t *channel, *features;
uint8_t netid = 0x01;
uint16_t sdpfeat;
sdp_data_t *network;
record = sdp_record_alloc();
if (!record)
return NULL;
network = sdp_data_alloc(SDP_UINT8, &netid);
if (!network) {
sdp_record_free(record);
return NULL;
}
sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP);
root = sdp_list_append(0, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&svclass_uuid, HANDSFREE_AGW_SVCLASS_ID);
svclass_id = sdp_list_append(0, &svclass_uuid);
sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID);
svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid);
sdp_set_service_classes(record, svclass_id);
sdp_uuid16_create(&profile.uuid, HANDSFREE_PROFILE_ID);
profile.version = 0x0105;
pfseq = sdp_list_append(0, &profile);
sdp_set_profile_descs(record, pfseq);
sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID);
proto[0] = sdp_list_append(0, &l2cap_uuid);
apseq = sdp_list_append(0, proto[0]);
sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
proto[1] = sdp_list_append(0, &rfcomm_uuid);
channel = sdp_data_alloc(SDP_UINT8, &ch);
proto[1] = sdp_list_append(proto[1], channel);
apseq = sdp_list_append(apseq, proto[1]);
sdpfeat = (uint16_t) feat & 0xF;
features = sdp_data_alloc(SDP_UINT16, &sdpfeat);
sdp_attr_add(record, SDP_ATTR_SUPPORTED_FEATURES, features);
aproto = sdp_list_append(0, apseq);
sdp_set_access_protos(record, aproto);
sdp_set_info_attr(record, "Hands-Free Audio Gateway", 0, 0);
sdp_attr_add(record, SDP_ATTR_EXTERNAL_NETWORK, network);
sdp_data_free(channel);
sdp_list_free(proto[0], 0);
sdp_list_free(proto[1], 0);
sdp_list_free(apseq, 0);
sdp_list_free(pfseq, 0);
sdp_list_free(aproto, 0);
sdp_list_free(root, 0);
sdp_list_free(svclass_id, 0);
return record;
}
static void headset_auth_cb(DBusError *derr, void *user_data)
{
struct audio_device *device = user_data;
GError *err = NULL;
GIOChannel *io;
if (device->hs_preauth_id) {
g_source_remove(device->hs_preauth_id);
device->hs_preauth_id = 0;
}
if (derr && dbus_error_is_set(derr)) {
error("Access denied: %s", derr->message);
headset_set_state(device, HEADSET_STATE_DISCONNECTED);
return;
}
io = headset_get_rfcomm(device);
if (!bt_io_accept(io, headset_connect_cb, device, NULL, &err)) {
error("bt_io_accept: %s", err->message);
g_error_free(err);
headset_set_state(device, HEADSET_STATE_DISCONNECTED);
return;
}
}
static gboolean hs_preauth_cb(GIOChannel *chan, GIOCondition cond,
gpointer user_data)
{
struct audio_device *device = user_data;
DBG("Headset disconnected during authorization");
audio_device_cancel_authorization(device, headset_auth_cb, device);
headset_set_state(device, HEADSET_STATE_DISCONNECTED);
device->hs_preauth_id = 0;
return FALSE;
}
static void ag_confirm(GIOChannel *chan, gpointer data)
{
const char *server_uuid, *remote_uuid;
struct audio_device *device;
gboolean hfp_active;
bdaddr_t src, dst;
int perr;
GError *err = NULL;
uint8_t ch;
bt_io_get(chan, BT_IO_RFCOMM, &err,
BT_IO_OPT_SOURCE_BDADDR, &src,
BT_IO_OPT_DEST_BDADDR, &dst,
BT_IO_OPT_CHANNEL, &ch,
BT_IO_OPT_INVALID);
if (err) {
error("%s", err->message);
g_error_free(err);
goto drop;
}
if (ch == DEFAULT_HS_AG_CHANNEL) {
hfp_active = FALSE;
server_uuid = HSP_AG_UUID;
remote_uuid = HSP_HS_UUID;
} else {
hfp_active = TRUE;
server_uuid = HFP_AG_UUID;
remote_uuid = HFP_HS_UUID;
}
device = manager_get_device(&src, &dst, TRUE);
if (!device)
goto drop;
if (!manager_allow_headset_connection(device)) {
DBG("Refusing headset: too many existing connections");
goto drop;
}
if (!device->headset) {
btd_device_add_uuid(device->btd_dev, remote_uuid);
if (!device->headset)
goto drop;
}
if (headset_get_state(device) > HEADSET_STATE_DISCONNECTED) {
DBG("Refusing new connection since one already exists");
goto drop;
}
set_hfp_active(device, hfp_active);
if (headset_connect_rfcomm(device, chan) < 0) {
error("headset_connect_rfcomm failed");
goto drop;
}
headset_set_state(device, HEADSET_STATE_CONNECTING);
perr = audio_device_request_authorization(device, server_uuid,
headset_auth_cb, device);
if (perr < 0) {
DBG("Authorization denied: %s", strerror(-perr));
headset_set_state(device, HEADSET_STATE_DISCONNECTED);
return;
}
device->hs_preauth_id = g_io_add_watch(chan,
G_IO_NVAL | G_IO_HUP | G_IO_ERR,
hs_preauth_cb, device);
device->auto_connect = auto_connect;
return;
drop:
g_io_channel_shutdown(chan, TRUE, NULL);
}
static void gateway_auth_cb(DBusError *derr, void *user_data)
{
struct audio_device *device = user_data;
if (derr && dbus_error_is_set(derr))
error("Access denied: %s", derr->message);
else {
char ag_address[18];
ba2str(&device->dst, ag_address);
DBG("Accepted AG connection from %s for %s",
ag_address, device->path);
gateway_start_service(device);
}
}
static void hf_io_cb(GIOChannel *chan, gpointer data)
{
bdaddr_t src, dst;
GError *err = NULL;
uint8_t ch;
const char *server_uuid, *remote_uuid;
uint16_t svclass;
struct audio_device *device;
int perr;
bt_io_get(chan, BT_IO_RFCOMM, &err,
BT_IO_OPT_SOURCE_BDADDR, &src,
BT_IO_OPT_DEST_BDADDR, &dst,
BT_IO_OPT_CHANNEL, &ch,
BT_IO_OPT_INVALID);
if (err) {
error("%s", err->message);
g_error_free(err);
return;
}
server_uuid = HFP_AG_UUID;
remote_uuid = HFP_HS_UUID;
svclass = HANDSFREE_AGW_SVCLASS_ID;
device = manager_get_device(&src, &dst, TRUE);
if (!device)
goto drop;
if (!device->gateway) {
btd_device_add_uuid(device->btd_dev, remote_uuid);
if (!device->gateway)
goto drop;
}
if (gateway_is_connected(device)) {
DBG("Refusing new connection since one already exists");
goto drop;
}
if (gateway_connect_rfcomm(device, chan) < 0) {
error("Allocating new GIOChannel failed!");
goto drop;
}
perr = audio_device_request_authorization(device, server_uuid,
gateway_auth_cb, device);
if (perr < 0) {
DBG("Authorization denied!");
goto drop;
}
return;
drop:
g_io_channel_shutdown(chan, TRUE, NULL);
}
static int headset_server_init(struct audio_adapter *adapter)
{
uint8_t chan = DEFAULT_HS_AG_CHANNEL;
sdp_record_t *record;
gboolean master = TRUE;
GError *err = NULL;
uint32_t features;
GIOChannel *io;
bdaddr_t src;
if (config) {
gboolean tmp;
tmp = g_key_file_get_boolean(config, "General", "Master",
&err);
if (err) {
DBG("audio.conf: %s", err->message);
g_clear_error(&err);
} else
master = tmp;
}
adapter_get_address(adapter->btd_adapter, &src);
io = bt_io_listen(BT_IO_RFCOMM, NULL, ag_confirm, adapter, NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &src,
BT_IO_OPT_CHANNEL, chan,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_MASTER, master,
BT_IO_OPT_INVALID);
if (!io)
goto failed;
adapter->hsp_ag_server = io;
record = hsp_ag_record(chan);
if (!record) {
error("Unable to allocate new service record");
goto failed;
}
if (add_record_to_server(&src, record) < 0) {
error("Unable to register HS AG service record");
sdp_record_free(record);
goto failed;
}
adapter->hsp_ag_record_id = record->handle;
features = headset_config_init(config);
if (!enabled.hfp)
return 0;
chan = DEFAULT_HF_AG_CHANNEL;
io = bt_io_listen(BT_IO_RFCOMM, NULL, ag_confirm, adapter, NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &src,
BT_IO_OPT_CHANNEL, chan,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_MASTER, master,
BT_IO_OPT_INVALID);
if (!io)
goto failed;
adapter->hfp_ag_server = io;
record = hfp_ag_record(chan, features);
if (!record) {
error("Unable to allocate new service record");
goto failed;
}
if (add_record_to_server(&src, record) < 0) {
error("Unable to register HF AG service record");
sdp_record_free(record);
goto failed;
}
adapter->hfp_ag_record_id = record->handle;
return 0;
failed:
if (err) {
error("%s", err->message);
g_error_free(err);
}
if (adapter->hsp_ag_server) {
g_io_channel_shutdown(adapter->hsp_ag_server, TRUE, NULL);
g_io_channel_unref(adapter->hsp_ag_server);
adapter->hsp_ag_server = NULL;
}
if (adapter->hfp_ag_server) {
g_io_channel_shutdown(adapter->hfp_ag_server, TRUE, NULL);
g_io_channel_unref(adapter->hfp_ag_server);
adapter->hfp_ag_server = NULL;
}
return -1;
}
static int gateway_server_init(struct audio_adapter *adapter)
{
uint8_t chan = DEFAULT_HFP_HS_CHANNEL;
sdp_record_t *record;
gboolean master = TRUE;
GError *err = NULL;
GIOChannel *io;
bdaddr_t src;
if (config) {
gboolean tmp;
tmp = g_key_file_get_boolean(config, "General", "Master",
&err);
if (err) {
DBG("audio.conf: %s", err->message);
g_clear_error(&err);
} else
master = tmp;
}
adapter_get_address(adapter->btd_adapter, &src);
io = bt_io_listen(BT_IO_RFCOMM, NULL, hf_io_cb, adapter, NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &src,
BT_IO_OPT_CHANNEL, chan,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_MASTER, master,
BT_IO_OPT_INVALID);
if (!io) {
error("%s", err->message);
g_error_free(err);
return -1;
}
adapter->hfp_hs_server = io;
record = hfp_hs_record(chan);
if (!record) {
error("Unable to allocate new service record");
return -1;
}
if (add_record_to_server(&src, record) < 0) {
error("Unable to register HFP HS service record");
sdp_record_free(record);
g_io_channel_unref(adapter->hfp_hs_server);
adapter->hfp_hs_server = NULL;
return -1;
}
adapter->hfp_hs_record_id = record->handle;
return 0;
}
static int audio_probe(struct btd_device *device, GSList *uuids)
{
struct btd_adapter *adapter = device_get_adapter(device);
bdaddr_t src, dst;
struct audio_device *audio_dev;
adapter_get_address(adapter, &src);
device_get_address(device, &dst);
audio_dev = manager_get_device(&src, &dst, TRUE);
if (!audio_dev) {
DBG("unable to get a device object");
return -1;
}
g_slist_foreach(uuids, (GFunc) handle_uuid, audio_dev);
return 0;
}
static void audio_remove(struct btd_device *device)
{
struct audio_device *dev;
const char *path;
path = device_get_path(device);
dev = manager_find_device(path, NULL, NULL, NULL, FALSE);
if (!dev)
return;
devices = g_slist_remove(devices, dev);
audio_device_unregister(dev);
}
static struct audio_adapter *audio_adapter_ref(struct audio_adapter *adp)
{
adp->ref++;
DBG("%p: ref=%d", adp, adp->ref);
return adp;
}
static void audio_adapter_unref(struct audio_adapter *adp)
{
adp->ref--;
DBG("%p: ref=%d", adp, adp->ref);
if (adp->ref > 0)
return;
adapters = g_slist_remove(adapters, adp);
btd_adapter_unref(adp->btd_adapter);
g_free(adp);
}
static struct audio_adapter *audio_adapter_create(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
adp = g_new0(struct audio_adapter, 1);
adp->btd_adapter = btd_adapter_ref(adapter);
return audio_adapter_ref(adp);
}
static struct audio_adapter *audio_adapter_get(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
adp = find_adapter(adapters, adapter);
if (!adp) {
adp = audio_adapter_create(adapter);
if (!adp)
return NULL;
adapters = g_slist_append(adapters, adp);
} else
audio_adapter_ref(adp);
return adp;
}
static void state_changed(struct btd_adapter *adapter, gboolean powered)
{
struct audio_adapter *adp;
static gboolean telephony = FALSE;
GSList *l;
DBG("%s powered %s", adapter_get_path(adapter),
powered ? "on" : "off");
/* ignore powered change, adapter is powering down */
if (powered && adapter_powering_down(adapter))
return;
adp = find_adapter(adapters, adapter);
if (!adp)
return;
adp->powered = powered;
if (powered) {
/* telephony driver already initialized*/
if (telephony == TRUE)
return;
telephony_init();
telephony = TRUE;
return;
}
/* telephony not initialized just ignore power down */
if (telephony == FALSE)
return;
for (l = adapters; l; l = l->next) {
adp = l->data;
if (adp->powered == TRUE)
return;
}
telephony_exit();
telephony = FALSE;
}
static int headset_server_probe(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
int err;
DBG("path %s", path);
adp = audio_adapter_get(adapter);
if (!adp)
return -EINVAL;
err = headset_server_init(adp);
if (err < 0) {
audio_adapter_unref(adp);
return err;
}
btd_adapter_register_powered_callback(adapter, state_changed);
state_changed(adapter, TRUE);
return 0;
}
static void headset_server_remove(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
DBG("path %s", path);
adp = find_adapter(adapters, adapter);
if (!adp)
return;
if (adp->hsp_ag_record_id) {
remove_record_from_server(adp->hsp_ag_record_id);
adp->hsp_ag_record_id = 0;
}
if (adp->hsp_ag_server) {
g_io_channel_shutdown(adp->hsp_ag_server, TRUE, NULL);
g_io_channel_unref(adp->hsp_ag_server);
adp->hsp_ag_server = NULL;
}
if (adp->hfp_ag_record_id) {
remove_record_from_server(adp->hfp_ag_record_id);
adp->hfp_ag_record_id = 0;
}
if (adp->hfp_ag_server) {
g_io_channel_shutdown(adp->hfp_ag_server, TRUE, NULL);
g_io_channel_unref(adp->hfp_ag_server);
adp->hfp_ag_server = NULL;
}
btd_adapter_unregister_powered_callback(adapter, state_changed);
audio_adapter_unref(adp);
}
static int gateway_server_probe(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
adp = audio_adapter_get(adapter);
if (!adp)
return -EINVAL;
return gateway_server_init(adp);
}
static void gateway_server_remove(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
DBG("path %s", path);
adp = find_adapter(adapters, adapter);
if (!adp)
return;
if (adp->hfp_hs_record_id) {
remove_record_from_server(adp->hfp_hs_record_id);
adp->hfp_hs_record_id = 0;
}
if (adp->hfp_hs_server) {
g_io_channel_unref(adp->hfp_hs_server);
adp->hfp_hs_server = NULL;
}
audio_adapter_unref(adp);
}
static int a2dp_server_probe(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
bdaddr_t src;
int err;
DBG("path %s", path);
adp = audio_adapter_get(adapter);
if (!adp)
return -EINVAL;
adapter_get_address(adapter, &src);
err = a2dp_register(connection, &src, config);
if (err < 0)
audio_adapter_unref(adp);
return err;
}
static void a2dp_server_remove(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
bdaddr_t src;
DBG("path %s", path);
adp = find_adapter(adapters, adapter);
if (!adp)
return;
adapter_get_address(adapter, &src);
a2dp_unregister(&src);
audio_adapter_unref(adp);
}
static int avrcp_server_probe(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
bdaddr_t src;
DBG("path %s", path);
adp = audio_adapter_get(adapter);
if (!adp)
return -EINVAL;
adapter_get_address(adapter, &src);
return avrcp_register(connection, &src, config);
}
static void avrcp_server_remove(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
bdaddr_t src;
DBG("path %s", path);
adp = find_adapter(adapters, adapter);
if (!adp)
return;
adapter_get_address(adapter, &src);
avrcp_unregister(&src);
audio_adapter_unref(adp);
}
static int media_server_probe(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
bdaddr_t src;
DBG("path %s", path);
adp = audio_adapter_get(adapter);
if (!adp)
return -EINVAL;
adapter_get_address(adapter, &src);
return media_register(connection, path, &src);
}
static void media_server_remove(struct btd_adapter *adapter)
{
struct audio_adapter *adp;
const gchar *path = adapter_get_path(adapter);
DBG("path %s", path);
adp = find_adapter(adapters, adapter);
if (!adp)
return;
media_unregister(path);
audio_adapter_unref(adp);
}
static struct btd_device_driver audio_driver = {
.name = "audio",
.uuids = BTD_UUIDS(HSP_HS_UUID, HFP_HS_UUID, HSP_AG_UUID, HFP_AG_UUID,
ADVANCED_AUDIO_UUID, A2DP_SOURCE_UUID, A2DP_SINK_UUID,
AVRCP_TARGET_UUID, AVRCP_REMOTE_UUID),
.probe = audio_probe,
.remove = audio_remove,
};
static struct btd_adapter_driver headset_server_driver = {
.name = "audio-headset",
.probe = headset_server_probe,
.remove = headset_server_remove,
};
static struct btd_adapter_driver gateway_server_driver = {
.name = "audio-gateway",
.probe = gateway_server_probe,
.remove = gateway_server_remove,
};
static struct btd_adapter_driver a2dp_server_driver = {
.name = "audio-a2dp",
.probe = a2dp_server_probe,
.remove = a2dp_server_remove,
};
static struct btd_adapter_driver avrcp_server_driver = {
.name = "audio-control",
.probe = avrcp_server_probe,
.remove = avrcp_server_remove,
};
static struct btd_adapter_driver media_server_driver = {
.name = "media",
.probe = media_server_probe,
.remove = media_server_remove,
};
int audio_manager_init(DBusConnection *conn, GKeyFile *conf,
gboolean *enable_sco)
{
char **list;
int i;
gboolean b;
GError *err = NULL;
connection = dbus_connection_ref(conn);
if (!conf)
goto proceed;
config = conf;
list = g_key_file_get_string_list(config, "General", "Enable",
NULL, NULL);
for (i = 0; list && list[i] != NULL; i++) {
if (g_str_equal(list[i], "Headset"))
enabled.headset = TRUE;
else if (g_str_equal(list[i], "Gateway"))
enabled.gateway = TRUE;
else if (g_str_equal(list[i], "Sink"))
enabled.sink = TRUE;
else if (g_str_equal(list[i], "Source"))
enabled.source = TRUE;
else if (g_str_equal(list[i], "Control"))
enabled.control = TRUE;
else if (g_str_equal(list[i], "Socket"))
enabled.socket = TRUE;
else if (g_str_equal(list[i], "Media"))
enabled.media = TRUE;
}
g_strfreev(list);
list = g_key_file_get_string_list(config, "General", "Disable",
NULL, NULL);
for (i = 0; list && list[i] != NULL; i++) {
if (g_str_equal(list[i], "Headset"))
enabled.headset = FALSE;
else if (g_str_equal(list[i], "Gateway"))
enabled.gateway = FALSE;
else if (g_str_equal(list[i], "Sink"))
enabled.sink = FALSE;
else if (g_str_equal(list[i], "Source"))
enabled.source = FALSE;
else if (g_str_equal(list[i], "Control"))
enabled.control = FALSE;
else if (g_str_equal(list[i], "Socket"))
enabled.socket = FALSE;
else if (g_str_equal(list[i], "Media"))
enabled.media = FALSE;
}
g_strfreev(list);
b = g_key_file_get_boolean(config, "General", "AutoConnect", &err);
if (err) {
DBG("audio.conf: %s", err->message);
g_clear_error(&err);
} else
auto_connect = b;
b = g_key_file_get_boolean(config, "Headset", "HFP",
&err);
if (err)
g_clear_error(&err);
else
enabled.hfp = b;
err = NULL;
i = g_key_file_get_integer(config, "Headset", "MaxConnected",
&err);
if (err) {
DBG("audio.conf: %s", err->message);
g_clear_error(&err);
} else
max_connected_headsets = i;
proceed:
if (enabled.socket)
unix_init();
if (enabled.media)
btd_register_adapter_driver(&media_server_driver);
if (enabled.headset)
btd_register_adapter_driver(&headset_server_driver);
if (enabled.gateway)
btd_register_adapter_driver(&gateway_server_driver);
if (enabled.source || enabled.sink)
btd_register_adapter_driver(&a2dp_server_driver);
if (enabled.control)
btd_register_adapter_driver(&avrcp_server_driver);
btd_register_device_driver(&audio_driver);
*enable_sco = (enabled.gateway || enabled.headset);
return 0;
}
void audio_manager_exit(void)
{
/* Bail out early if we haven't been initialized */
if (connection == NULL)
return;
dbus_connection_unref(connection);
connection = NULL;
if (config) {
g_key_file_free(config);
config = NULL;
}
if (enabled.socket)
unix_exit();
if (enabled.media)
btd_unregister_adapter_driver(&media_server_driver);
if (enabled.headset)
btd_unregister_adapter_driver(&headset_server_driver);
if (enabled.gateway)
btd_unregister_adapter_driver(&gateway_server_driver);
if (enabled.source || enabled.sink)
btd_unregister_adapter_driver(&a2dp_server_driver);
if (enabled.control)
btd_unregister_adapter_driver(&avrcp_server_driver);
btd_unregister_device_driver(&audio_driver);
}
struct audio_device *manager_find_device(const char *path,
const bdaddr_t *src,
const bdaddr_t *dst,
const char *interface,
gboolean connected)
{
GSList *l;
for (l = devices; l != NULL; l = l->next) {
struct audio_device *dev = l->data;
if ((path && (strcmp(path, "")) && strcmp(dev->path, path)))
continue;
if ((src && bacmp(src, BDADDR_ANY)) && bacmp(&dev->src, src))
continue;
if ((dst && bacmp(dst, BDADDR_ANY)) && bacmp(&dev->dst, dst))
continue;
if (interface && !strcmp(AUDIO_HEADSET_INTERFACE, interface)
&& !dev->headset)
continue;
if (interface && !strcmp(AUDIO_GATEWAY_INTERFACE, interface)
&& !dev->gateway)
continue;
if (interface && !strcmp(AUDIO_SINK_INTERFACE, interface)
&& !dev->sink)
continue;
if (interface && !strcmp(AUDIO_SOURCE_INTERFACE, interface)
&& !dev->source)
continue;
if (interface && !strcmp(AUDIO_CONTROL_INTERFACE, interface)
&& !dev->control)
continue;
if (connected && !audio_device_is_active(dev, interface))
continue;
return dev;
}
return NULL;
}
struct audio_device *manager_get_device(const bdaddr_t *src,
const bdaddr_t *dst,
gboolean create)
{
struct audio_device *dev;
struct btd_adapter *adapter;
struct btd_device *device;
char addr[18];
const char *path;
dev = manager_find_device(NULL, src, dst, NULL, FALSE);
if (dev)
return dev;
if (!create)
return NULL;
ba2str(src, addr);
adapter = manager_find_adapter(src);
if (!adapter) {
error("Unable to get a btd_adapter object for %s",
addr);
return NULL;
}
ba2str(dst, addr);
device = adapter_get_device(connection, adapter, addr);
if (!device) {
error("Unable to get btd_device object for %s", addr);
return NULL;
}
path = device_get_path(device);
dev = audio_device_register(connection, device, path, src, dst);
if (!dev)
return NULL;
devices = g_slist_append(devices, dev);
return dev;
}
gboolean manager_allow_headset_connection(struct audio_device *device)
{
GSList *l;
int connected = 0;
for (l = devices; l != NULL; l = l->next) {
struct audio_device *dev = l->data;
struct headset *hs = dev->headset;
if (dev == device)
continue;
if (bacmp(&dev->src, &device->src))
continue;
if (!hs)
continue;
if (headset_get_state(dev) > HEADSET_STATE_DISCONNECTED)
connected++;
if (connected >= max_connected_headsets)
return FALSE;
}
return TRUE;
}
void manager_set_fast_connectable(gboolean enable)
{
GSList *l;
for (l = adapters; l != NULL; l = l->next) {
struct audio_adapter *adapter = l->data;
if (btd_adapter_set_fast_connectable(adapter->btd_adapter,
enable))
error("Changing fast connectable for hci%d failed",
adapter_get_dev_id(adapter->btd_adapter));
}
}