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bluez/android/handsfree.c
Luiz Augusto von Dentz ab63fc7add android/handsfree: Fix Connect SCO command 
This command should not trigger SCO connection since there is already a
command Connect Audio dedicated to do that.
2014-05-14 12:51:02 +03:00

2682 lines
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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2013-2014 Intel Corporation. All rights reserved.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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 <stdlib.h>
#include <stdbool.h>
#include <errno.h>
#include <unistd.h>
#include <glib.h>
#include "lib/bluetooth.h"
#include "lib/sdp.h"
#include "lib/sdp_lib.h"
#include "src/sdp-client.h"
#include "src/uuid-helper.h"
#include "src/shared/hfp.h"
#include "btio/btio.h"
#include "hal-msg.h"
#include "ipc-common.h"
#include "ipc.h"
#include "handsfree.h"
#include "bluetooth.h"
#include "src/log.h"
#include "utils.h"
#include "sco-msg.h"
#define HSP_AG_CHANNEL 12
#define HFP_AG_CHANNEL 13
#define HFP_AG_FEAT_3WAY 0x00000001
#define HFP_AG_FEAT_ECNR 0x00000002
#define HFP_AG_FEAT_VR 0x00000004
#define HFP_AG_FEAT_INBAND 0x00000008
#define HFP_AG_FEAT_VTAG 0x00000010
#define HFP_AG_FEAT_REJ_CALL 0x00000020
#define HFP_AG_FEAT_ECS 0x00000040
#define HFP_AG_FEAT_ECC 0x00000080
#define HFP_AG_FEAT_EXT_ERR 0x00000100
#define HFP_AG_FEAT_CODEC 0x00000200
#define HFP_HF_FEAT_ECNR 0x00000001
#define HFP_HF_FEAT_3WAY 0x00000002
#define HFP_HF_FEAT_CLI 0x00000004
#define HFP_HF_FEAT_VR 0x00000008
#define HFP_HF_FEAT_RVC 0x00000010
#define HFP_HF_FEAT_ECS 0x00000020
#define HFP_HF_FEAT_ECC 0x00000040
#define HFP_HF_FEAT_CODEC 0x00000080
#define HFP_AG_FEATURES (HFP_AG_FEAT_3WAY | HFP_AG_FEAT_ECNR |\
HFP_AG_FEAT_VR | HFP_AG_FEAT_REJ_CALL |\
HFP_AG_FEAT_ECS | HFP_AG_FEAT_EXT_ERR)
#define HFP_AG_CHLD "0,1,2,3"
/* offsets in indicators table, should be incremented when sending CIEV */
#define IND_SERVICE 0
#define IND_CALL 1
#define IND_CALLSETUP 2
#define IND_CALLHELD 3
#define IND_SIGNAL 4
#define IND_ROAM 5
#define IND_BATTCHG 6
#define IND_COUNT (IND_BATTCHG + 1)
#define RING_TIMEOUT 2
#define CVSD_OFFSET 0
#define MSBC_OFFSET 1
#define CODECS_COUNT (MSBC_OFFSET + 1)
#define CODEC_ID_CVSD 0x01
#define CODEC_ID_MSBC 0x02
struct indicator {
const char *name;
int min;
int max;
int val;
bool always_active;
bool active;
};
struct hfp_codec {
uint8_t type;
bool local_supported;
bool remote_supported;
};
static const struct indicator inds_defaults[] = {
{ "service", 0, 1, 0, false, true },
{ "call", 0, 1, 0, true, true },
{ "callsetup", 0, 3, 0, true, true },
{ "callheld", 0, 2, 0, true, true },
{ "signal", 0, 5, 0, false, true },
{ "roam", 0, 1, 0, false, true },
{ "battchg", 0, 5, 0, false, true },
};
static const struct hfp_codec codecs_defaults[] = {
{ CODEC_ID_CVSD, true, false},
{ CODEC_ID_MSBC, false, false},
};
static struct {
bdaddr_t bdaddr;
uint8_t state;
uint8_t audio_state;
uint32_t features;
bool clip_enabled;
bool cmee_enabled;
bool ccwa_enabled;
bool indicators_enabled;
struct indicator inds[IND_COUNT];
int num_active;
int num_held;
int setup_state;
bool call_hanging_up;
uint8_t negotiated_codec;
uint8_t proposed_codec;
struct hfp_codec codecs[CODECS_COUNT];
guint ring;
bool hsp;
struct hfp_gw *gw;
GIOChannel *sco;
guint sco_watch;
} device;
static uint32_t hfp_ag_features = 0;
static bdaddr_t adapter_addr;
static struct ipc *hal_ipc = NULL;
static struct ipc *sco_ipc = NULL;
static uint32_t hfp_record_id = 0;
static GIOChannel *hfp_server = NULL;
static uint32_t hsp_record_id = 0;
static GIOChannel *hsp_server = NULL;
static GIOChannel *sco_server = NULL;
static void device_set_state(uint8_t state)
{
struct hal_ev_handsfree_conn_state ev;
char address[18];
if (device.state == state)
return;
device.state = state;
ba2str(&device.bdaddr, address);
DBG("device %s state %u", address, state);
bdaddr2android(&device.bdaddr, ev.bdaddr);
ev.state = state;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_CONN_STATE, sizeof(ev), &ev);
}
static void device_set_audio_state(uint8_t state)
{
struct hal_ev_handsfree_audio_state ev;
char address[18];
if (device.audio_state == state)
return;
device.audio_state = state;
ba2str(&device.bdaddr, address);
DBG("device %s audio state %u", address, state);
bdaddr2android(&device.bdaddr, ev.bdaddr);
ev.state = state;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_AUDIO_STATE, sizeof(ev), &ev);
}
static void init_codecs(void)
{
memcpy(device.codecs, codecs_defaults, sizeof(device.codecs));
if (hfp_ag_features & HFP_AG_FEAT_CODEC)
device.codecs[MSBC_OFFSET].local_supported = true;
}
static void device_init(const bdaddr_t *bdaddr)
{
bacpy(&device.bdaddr, bdaddr);
device.setup_state = HAL_HANDSFREE_CALL_STATE_IDLE;
memcpy(device.inds, inds_defaults, sizeof(device.inds));
init_codecs();
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_CONNECTING);
}
static void device_cleanup(void)
{
if (device.gw) {
hfp_gw_unref(device.gw);
device.gw = NULL;
}
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_DISCONNECTED);
if (device.sco_watch) {
g_source_remove(device.sco_watch);
device.sco_watch = 0;
}
if (device.sco) {
g_io_channel_shutdown(device.sco, TRUE, NULL);
g_io_channel_unref(device.sco);
device.sco = NULL;
}
if (device.ring) {
g_source_remove(device.ring);
device.ring = 0;
}
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTED);
memset(&device, 0, sizeof(device));
}
static void disconnect_watch(void *user_data)
{
DBG("");
device_cleanup();
}
static void at_cmd_unknown(const char *command, void *user_data)
{
uint8_t buf[IPC_MTU];
struct hal_ev_handsfree_unknown_at *ev = (void *) buf;
if (device.state != HAL_EV_HANDSFREE_CONN_STATE_SLC_CONNECTED) {
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
hfp_gw_disconnect(device.gw);
return;
}
/* copy while string including terminating NULL */
ev->len = strlen(command) + 1;
memcpy(ev->buf, command, ev->len);
if (ev->len > IPC_MTU - sizeof(*ev)) {
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
return;
}
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_UNKNOWN_AT, sizeof(*ev) + ev->len, ev);
}
static void at_cmd_vgm(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_volume ev;
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 15)
break;
if (hfp_gw_result_has_next(result))
break;
ev.type = HAL_HANDSFREE_VOLUME_TYPE_MIC;
ev.volume = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_VOLUME, sizeof(ev), &ev);
/* Framework is not replying with result for AT+VGM */
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_vgs(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_volume ev;
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 15)
break;
if (hfp_gw_result_has_next(result))
break;
ev.type = HAL_HANDSFREE_VOLUME_TYPE_SPEAKER;
ev.volume = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_VOLUME, sizeof(ev), &ev);
/* Framework is not replying with result for AT+VGS */
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_cops(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val != 3)
break;
if (!hfp_gw_result_get_number(result, &val) || val != 0)
break;
if (hfp_gw_result_has_next(result))
break;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_COPS, 0, NULL);
return;
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_bia(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val, i, def;
bool tmp[IND_COUNT];
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
for (i = 0; i < IND_COUNT; i++)
tmp[i] = device.inds[i].active;
i = 0;
do {
def = (i < IND_COUNT) ? device.inds[i].active : 0;
if (!hfp_gw_result_get_number_default(result, &val, def))
goto failed;
if (val > 1)
goto failed;
if (i < IND_COUNT) {
tmp[i] = val || device.inds[i].always_active;
i++;
}
} while (hfp_gw_result_has_next(result));
for (i = 0; i < IND_COUNT; i++)
device.inds[i].active = tmp[i];
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
failed:
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_a(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_COMMAND:
if (hfp_gw_result_has_next(result))
break;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_ANSWER, 0, NULL);
/* Framework is not replying with result for ATA */
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_SET:
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_d(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
char buf[IPC_MTU];
struct hal_ev_handsfree_dial *ev = (void *) buf;
int cnt;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_unquoted_string(result,
(char *) ev->number, 255))
break;
ev->number_len = strlen((char *) ev->number);
if (ev->number[ev->number_len - 1] != ';')
break;
if (ev->number[0] == '>')
cnt = strspn((char *) ev->number + 1, "0123456789") + 1;
else
cnt = strspn((char *) ev->number, "0123456789ABC*#+");
if (cnt != ev->number_len - 1)
break;
ev->number_len++;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_DIAL,
sizeof(*ev) + ev->number_len, ev);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_ccwa(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 1)
break;
if (hfp_gw_result_has_next(result))
break;
device.ccwa_enabled = val;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_chup(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_COMMAND:
if (hfp_gw_result_has_next(result))
break;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_HANGUP, 0, NULL);
/* Framework is not replying with result for AT+CHUP */
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_SET:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_clcc(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_COMMAND:
if (hfp_gw_result_has_next(result))
break;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_CLCC, 0, NULL);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_SET:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_cmee(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 1)
break;
if (hfp_gw_result_has_next(result))
break;
device.cmee_enabled = val;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_clip(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 1)
break;
if (hfp_gw_result_has_next(result))
break;
device.clip_enabled = val;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_vts(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_dtmf ev;
char str[2];
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_unquoted_string(result, str, 2))
break;
if (!((str[0] >= '0' && str[0] <= '9') ||
(str[0] >= 'A' && str[0] <= 'D') ||
str[0] == '*' || str[0] == '#'))
break;
if (hfp_gw_result_has_next(result))
break;
ev.tone = str[0];
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_DTMF, sizeof(ev), &ev);
/* Framework is not replying with result for AT+VTS */
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_cnum(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_COMMAND:
if (hfp_gw_result_has_next(result))
break;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_CNUM, 0, NULL);
return;
case HFP_GW_CMD_TYPE_SET:
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_binp(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
/* TODO */
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_bldn(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_dial ev;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_COMMAND:
if (hfp_gw_result_has_next(result))
break;
ev.number_len = 0;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_DIAL, sizeof(ev), &ev);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_SET:
break;
}
}
static void at_cmd_bvra(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_vr_state ev;
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 1)
break;
if (hfp_gw_result_has_next(result))
break;
if (val)
ev.state = HAL_HANDSFREE_VR_STARTED;
else
ev.state = HAL_HANDSFREE_VR_STOPPED;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_VR, sizeof(ev), &ev);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_nrec(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_nrec ev;
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
/*
* Android HAL defines start and stop parameter for NREC
* callback, but spec allows HF to only disable AG's NREC
* feature for SLC duration. Follow spec here.
*/
if (!hfp_gw_result_get_number(result, &val) || val != 0)
break;
if (hfp_gw_result_has_next(result))
break;
ev.nrec = HAL_HANDSFREE_NREC_STOP;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_NREC, sizeof(ev), &ev);
/* Framework is not replying with result for AT+NREC */
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_bsir(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
/* TODO */
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_btrh(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
/* TODO */
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static gboolean sco_watch_cb(GIOChannel *chan, GIOCondition cond,
gpointer user_data)
{
g_io_channel_shutdown(device.sco, TRUE, NULL);
g_io_channel_unref(device.sco);
device.sco = NULL;
DBG("");
device.sco_watch = 0;
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTED);
return FALSE;
}
static void select_codec(uint8_t codec_type)
{
uint8_t type = CODEC_ID_CVSD;
int i;
if (codec_type > 0) {
type = codec_type;
goto done;
}
for (i = CODECS_COUNT - 1; i >= CVSD_OFFSET; i--) {
if (!device.codecs[i].local_supported)
continue;
if (!device.codecs[i].remote_supported)
continue;
type = device.codecs[i].type;
break;
}
done:
device.proposed_codec = type;
hfp_gw_send_info(device.gw, "+BCS: %u", type);
}
static void connect_sco_cb(GIOChannel *chan, GError *err, gpointer user_data)
{
if (err) {
uint8_t status;
error("handsfree: audio connect failed (%s)", err->message);
status = HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTED;
device_set_audio_state(status);
if (!(device.features & HFP_HF_FEAT_CODEC))
return;
/* If other failed, try connecting with CVSD */
if (device.negotiated_codec != CODEC_ID_CVSD) {
info("handsfree: trying fallback with CVSD");
select_codec(CODEC_ID_CVSD);
}
return;
}
g_io_channel_set_close_on_unref(chan, TRUE);
device.sco = g_io_channel_ref(chan);
device.sco_watch = g_io_add_watch(chan, G_IO_ERR | G_IO_HUP | G_IO_NVAL,
sco_watch_cb, NULL);
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_CONNECTED);
}
static bool connect_sco(void)
{
GIOChannel *io;
GError *gerr = NULL;
uint16_t voice_settings;
if (device.sco)
return false;
if (!(device.features & HFP_HF_FEAT_CODEC))
voice_settings = 0;
else if (device.negotiated_codec != CODEC_ID_CVSD)
voice_settings = BT_VOICE_TRANSPARENT;
else
voice_settings = BT_VOICE_CVSD_16BIT;
io = bt_io_connect(connect_sco_cb, NULL, NULL, &gerr,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_DEST_BDADDR, &device.bdaddr,
BT_IO_OPT_VOICE, voice_settings,
BT_IO_OPT_INVALID);
if (!io) {
error("handsfree: unable to connect audio: %s", gerr->message);
g_error_free(gerr);
return false;
}
g_io_channel_unref(io);
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_CONNECTING);
return true;
}
static void at_cmd_bcc(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_COMMAND:
if (!(device.features & HFP_HF_FEAT_CODEC))
break;
if (hfp_gw_result_has_next(result))
break;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
/* we haven't negotiated codec, start selection */
if (!device.negotiated_codec) {
select_codec(0);
return;
}
/*
* we try connect to negotiated codec. If it fails, and it isn't
* CVSD codec, try connect CVSD
*/
if (!connect_sco() && device.negotiated_codec != CODEC_ID_CVSD)
select_codec(CODEC_ID_CVSD);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_SET:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_bcs(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val))
break;
if (hfp_gw_result_has_next(result))
break;
/* Remote replied with other codec. Reply with error */
if (device.proposed_codec != val) {
device.proposed_codec = 0;
break;
}
device.proposed_codec = 0;
device.negotiated_codec = val;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
/* Connect sco with negotiated parameters */
connect_sco();
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_ckpd(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val != 200)
break;
if (hfp_gw_result_has_next(result))
break;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_HSP_KEY_PRESS, 0, NULL);
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void register_post_slc_at(void)
{
if (device.hsp) {
hfp_gw_register(device.gw, at_cmd_ckpd, "+CKPD", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_vgs, "+VGS", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_vgm, "+VGM", NULL, NULL);
return;
}
hfp_gw_register(device.gw, at_cmd_a, "A", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_d, "D", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_ccwa, "+CCWA", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_chup, "+CHUP", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_clcc, "+CLCC", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_cops, "+COPS", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_cmee, "+CMEE", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_clip, "+CLIP", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_vts, "+VTS", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_cnum, "+CNUM", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bia, "+BIA", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_binp, "+BINP", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bldn, "+BLDN", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bvra, "+BVRA", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_nrec, "+NREC", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_vgs, "+VGS", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_vgm, "+VGM", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bsir, "+BSIR", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_btrh, "+BTRH", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bcc, "+BCC", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bcs, "+BCS", NULL, NULL);
}
static void at_cmd_cmer(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
switch (type) {
case HFP_GW_CMD_TYPE_SET:
/* mode must be =3 */
if (!hfp_gw_result_get_number(result, &val) || val != 3)
break;
/* keyp is don't care */
if (!hfp_gw_result_get_number(result, &val))
break;
/* disp is don't care */
if (!hfp_gw_result_get_number(result, &val))
break;
/* ind must be 0 or 1 */
if (!hfp_gw_result_get_number(result, &val) || val > 1)
break;
if (hfp_gw_result_has_next(result))
break;
device.indicators_enabled = val;
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
if (device.features & HFP_HF_FEAT_3WAY)
return;
register_post_slc_at();
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_SLC_CONNECTED);
return;
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_cind(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
char *buf, *ptr;
int len;
unsigned int i;
switch (type) {
case HFP_GW_CMD_TYPE_TEST:
/*
* If device supports Codec Negotiation, AT+BAC should be
* received first
*/
if ((device.features & HFP_HF_FEAT_CODEC) &&
!device.codecs[CVSD_OFFSET].remote_supported)
break;
len = strlen("+CIND:") + 1;
for (i = 0; i < IND_COUNT; i++) {
len += strlen("(\"\",(X,X)),");
len += strlen(device.inds[i].name);
}
buf = g_malloc(len);
ptr = buf + sprintf(buf, "+CIND:");
for (i = 0; i < IND_COUNT; i++) {
ptr += sprintf(ptr, "(\"%s\",(%d%c%d)),",
device.inds[i].name,
device.inds[i].min,
device.inds[i].max == 1 ? ',' : '-',
device.inds[i].max);
}
ptr--;
*ptr = '\0';
hfp_gw_send_info(device.gw, "%s", buf);
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
g_free(buf);
return;
case HFP_GW_CMD_TYPE_READ:
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_CIND, 0, NULL);
return;
case HFP_GW_CMD_TYPE_SET:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_brsf(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int feat;
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &feat))
break;
if (hfp_gw_result_has_next(result))
break;
/* TODO verify features */
device.features = feat;
hfp_gw_send_info(device.gw, "+BRSF: %u", hfp_ag_features);
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void at_cmd_chld(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
struct hal_ev_handsfree_chld ev;
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!hfp_gw_result_get_number(result, &val) || val > 3)
break;
/* No ECC support */
if (hfp_gw_result_has_next(result))
break;
/* value match HAL type */
ev.chld = val;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_EV_HANDSFREE_CHLD, sizeof(ev), &ev);
return;
case HFP_GW_CMD_TYPE_TEST:
hfp_gw_send_info(device.gw, "+CHLD: (%s)", HFP_AG_CHLD);
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
register_post_slc_at();
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_SLC_CONNECTED);
return;
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static struct hfp_codec *find_codec_by_type(uint8_t type)
{
int i;
for (i = 0; i < CODECS_COUNT; i++)
if (type == device.codecs[i].type)
return &device.codecs[i];
return NULL;
}
static void at_cmd_bac(struct hfp_gw_result *result, enum hfp_gw_cmd_type type,
void *user_data)
{
unsigned int val;
DBG("");
switch (type) {
case HFP_GW_CMD_TYPE_SET:
if (!(device.features & HFP_HF_FEAT_CODEC))
goto failed;
/* set codecs to defaults */
init_codecs();
device.negotiated_codec = 0;
/*
* At least CVSD mandatory codec must exist
* HFP V1.6 4.34.1
*/
if (!hfp_gw_result_get_number(result, &val) ||
val != CODEC_ID_CVSD)
goto failed;
device.codecs[CVSD_OFFSET].remote_supported = true;
if (hfp_gw_result_get_number(result, &val)) {
if (val != CODEC_ID_MSBC)
goto failed;
device.codecs[MSBC_OFFSET].remote_supported = true;
}
while (hfp_gw_result_has_next(result)) {
struct hfp_codec *codec;
if (!hfp_gw_result_get_number(result, &val))
goto failed;
codec = find_codec_by_type(val);
if (!codec)
continue;
codec->remote_supported = true;
}
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
if (device.proposed_codec)
select_codec(0);
return;
case HFP_GW_CMD_TYPE_TEST:
case HFP_GW_CMD_TYPE_READ:
case HFP_GW_CMD_TYPE_COMMAND:
break;
}
failed:
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
}
static void register_slc_at(void)
{
hfp_gw_register(device.gw, at_cmd_brsf, "+BRSF", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_cind, "+CIND", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_cmer, "+CMER", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_chld, "+CHLD", NULL, NULL);
hfp_gw_register(device.gw, at_cmd_bac, "+BAC", NULL, NULL);
}
static void connect_cb(GIOChannel *chan, GError *err, gpointer user_data)
{
DBG("");
if (err) {
error("handsfree: connect failed (%s)", err->message);
goto failed;
}
device.gw = hfp_gw_new(g_io_channel_unix_get_fd(chan));
if (!device.gw)
goto failed;
g_io_channel_set_close_on_unref(chan, FALSE);
hfp_gw_set_close_on_unref(device.gw, true);
hfp_gw_set_command_handler(device.gw, at_cmd_unknown, NULL, NULL);
hfp_gw_set_disconnect_handler(device.gw, disconnect_watch, NULL, NULL);
if (device.hsp) {
register_post_slc_at();
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_CONNECTED);
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_SLC_CONNECTED);
return;
}
register_slc_at();
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_CONNECTED);
return;
failed:
g_io_channel_shutdown(chan, TRUE, NULL);
device_cleanup();
}
static void confirm_cb(GIOChannel *chan, gpointer data)
{
char address[18];
bdaddr_t bdaddr;
GError *err = NULL;
bt_io_get(chan, &err,
BT_IO_OPT_DEST, address,
BT_IO_OPT_DEST_BDADDR, &bdaddr,
BT_IO_OPT_INVALID);
if (err) {
error("handsfree: confirm failed (%s)", err->message);
g_error_free(err);
goto drop;
}
DBG("incoming connect from %s", address);
if (device.state != HAL_EV_HANDSFREE_CONN_STATE_DISCONNECTED) {
info("handsfree: refusing connection from %s", address);
goto drop;
}
device_init(&bdaddr);
if (!bt_io_accept(chan, connect_cb, NULL, NULL, NULL)) {
error("handsfree: failed to accept connection");
device_cleanup();
goto drop;
}
device.hsp = GPOINTER_TO_INT(data);
return;
drop:
g_io_channel_shutdown(chan, TRUE, NULL);
}
static void sdp_hsp_search_cb(sdp_list_t *recs, int err, gpointer data)
{
sdp_list_t *protos, *classes;
GError *gerr = NULL;
GIOChannel *io;
uuid_t uuid;
int channel;
DBG("");
if (err < 0) {
error("handsfree: unable to get SDP record: %s",
strerror(-err));
goto fail;
}
if (!recs || !recs->data) {
info("handsfree: no HSP SDP records found");
goto fail;
}
if (sdp_get_service_classes(recs->data, &classes) < 0 || !classes) {
error("handsfree: unable to get service classes from record");
goto fail;
}
if (sdp_get_access_protos(recs->data, &protos) < 0) {
error("handsfree: unable to get access protocols from record");
sdp_list_free(classes, free);
goto fail;
}
/* TODO read remote version? */
/* TODO read volume control support */
memcpy(&uuid, classes->data, sizeof(uuid));
sdp_list_free(classes, free);
if (!sdp_uuid128_to_uuid(&uuid) || uuid.type != SDP_UUID16 ||
uuid.value.uuid16 != HEADSET_SVCLASS_ID) {
sdp_list_free(protos, NULL);
error("handsfree: invalid service record or not HSP");
goto fail;
}
channel = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
if (channel <= 0) {
error("handsfree: unable to get RFCOMM channel from record");
goto fail;
}
io = bt_io_connect(connect_cb, NULL, NULL, &gerr,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_DEST_BDADDR, &device.bdaddr,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_CHANNEL, channel,
BT_IO_OPT_INVALID);
if (!io) {
error("handsfree: unable to connect: %s", gerr->message);
g_error_free(gerr);
goto fail;
}
device.hsp = true;
g_io_channel_unref(io);
return;
fail:
device_cleanup();
}
static int sdp_search_hsp(void)
{
uuid_t uuid;
sdp_uuid16_create(&uuid, HEADSET_SVCLASS_ID);
return bt_search_service(&adapter_addr, &device.bdaddr, &uuid,
sdp_hsp_search_cb, NULL, NULL, 0);
}
static void sdp_hfp_search_cb(sdp_list_t *recs, int err, gpointer data)
{
sdp_list_t *protos, *classes;
GError *gerr = NULL;
GIOChannel *io;
uuid_t uuid;
int channel;
DBG("");
if (err < 0) {
error("handsfree: unable to get SDP record: %s",
strerror(-err));
goto fail;
}
if (!recs || !recs->data) {
info("handsfree: no HFP SDP records found, trying HSP");
if (sdp_search_hsp() < 0) {
error("handsfree: HSP SDP search failed");
goto fail;
}
return;
}
if (sdp_get_service_classes(recs->data, &classes) < 0 || !classes) {
error("handsfree: unable to get service classes from record");
goto fail;
}
if (sdp_get_access_protos(recs->data, &protos) < 0) {
error("handsfree: unable to get access protocols from record");
sdp_list_free(classes, free);
goto fail;
}
/* TODO read remote version? */
memcpy(&uuid, classes->data, sizeof(uuid));
sdp_list_free(classes, free);
if (!sdp_uuid128_to_uuid(&uuid) || uuid.type != SDP_UUID16 ||
uuid.value.uuid16 != HANDSFREE_SVCLASS_ID) {
sdp_list_free(protos, NULL);
error("handsfree: invalid service record or not HFP");
goto fail;
}
channel = sdp_get_proto_port(protos, RFCOMM_UUID);
sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
sdp_list_free(protos, NULL);
if (channel <= 0) {
error("handsfree: unable to get RFCOMM channel from record");
goto fail;
}
io = bt_io_connect(connect_cb, NULL, NULL, &gerr,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_DEST_BDADDR, &device.bdaddr,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_CHANNEL, channel,
BT_IO_OPT_INVALID);
if (!io) {
error("handsfree: unable to connect: %s", gerr->message);
g_error_free(gerr);
goto fail;
}
g_io_channel_unref(io);
return;
fail:
device_cleanup();
}
static int sdp_search_hfp(void)
{
uuid_t uuid;
sdp_uuid16_create(&uuid, HANDSFREE_SVCLASS_ID);
return bt_search_service(&adapter_addr, &device.bdaddr, &uuid,
sdp_hfp_search_cb, NULL, NULL, 0);
}
static void handle_connect(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_connect *cmd = buf;
char addr[18];
uint8_t status;
bdaddr_t bdaddr;
int ret;
DBG("");
if (device.state != HAL_EV_HANDSFREE_CONN_STATE_DISCONNECTED) {
status = HAL_STATUS_FAILED;
goto failed;
}
android2bdaddr(&cmd->bdaddr, &bdaddr);
ba2str(&bdaddr, addr);
DBG("connecting to %s", addr);
device_init(&bdaddr);
/* prefer HFP over HSP */
ret = hfp_server ? sdp_search_hfp() : sdp_search_hsp();
if (ret < 0) {
error("handsfree: SDP search failed");
device_cleanup();
status = HAL_STATUS_FAILED;
goto failed;
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_CONNECT, status);
}
static void handle_disconnect(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_disconnect *cmd = buf;
bdaddr_t bdaddr;
uint8_t status;
DBG("");
android2bdaddr(cmd->bdaddr, &bdaddr);
if (device.state == HAL_EV_HANDSFREE_CONN_STATE_DISCONNECTED ||
bacmp(&device.bdaddr, &bdaddr)) {
status = HAL_STATUS_FAILED;
goto failed;
}
if (device.state == HAL_EV_HANDSFREE_CONN_STATE_DISCONNECTING) {
status = HAL_STATUS_SUCCESS;
goto failed;
}
if (device.state == HAL_EV_HANDSFREE_CONN_STATE_CONNECTING) {
device_cleanup();
} else {
device_set_state(HAL_EV_HANDSFREE_CONN_STATE_DISCONNECTING);
hfp_gw_disconnect(device.gw);
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_DISCONNECT, status);
}
static bool disconnect_sco(void)
{
if (!device.sco)
return false;
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTING);
if (device.sco_watch) {
g_source_remove(device.sco_watch);
device.sco_watch = 0;
}
g_io_channel_shutdown(device.sco, TRUE, NULL);
g_io_channel_unref(device.sco);
device.sco = NULL;
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTED);
return true;
}
static bool connect_audio(void)
{
if (device.audio_state != HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTED)
return false;
/* we haven't negotiated codec, start selection */
if ((device.features & HFP_HF_FEAT_CODEC) && !device.negotiated_codec) {
select_codec(0);
return true;
}
return connect_sco();
}
static void handle_connect_audio(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_connect_audio *cmd = buf;
bdaddr_t bdaddr;
uint8_t status;
DBG("");
android2bdaddr(cmd->bdaddr, &bdaddr);
if (device.audio_state != HAL_EV_HANDSFREE_AUDIO_STATE_DISCONNECTED ||
bacmp(&device.bdaddr, &bdaddr)) {
status = HAL_STATUS_FAILED;
goto done;
}
status = connect_audio() ? HAL_STATUS_SUCCESS : HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_CONNECT_AUDIO, status);
}
static void handle_disconnect_audio(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_disconnect_audio *cmd = buf;
bdaddr_t bdaddr;
uint8_t status;
DBG("");
android2bdaddr(cmd->bdaddr, &bdaddr);
if (device.audio_state != HAL_EV_HANDSFREE_AUDIO_STATE_CONNECTED ||
bacmp(&device.bdaddr, &bdaddr)) {
status = HAL_STATUS_FAILED;
goto done;
}
status = disconnect_sco() ? HAL_STATUS_SUCCESS : HAL_STATUS_FAILED;
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_DISCONNECT_AUDIO, status);
}
static void handle_start_vr(const void *buf, uint16_t len)
{
uint8_t status;
DBG("");
if (device.features & HFP_HF_FEAT_VR) {
hfp_gw_send_info(device.gw, "+BVRA: 1");
status = HAL_STATUS_SUCCESS;
} else {
status = HAL_STATUS_FAILED;
}
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_START_VR, status);
}
static void handle_stop_vr(const void *buf, uint16_t len)
{
uint8_t status;
DBG("");
if (device.features & HFP_HF_FEAT_VR) {
hfp_gw_send_info(device.gw, "+BVRA: 0");
status = HAL_STATUS_SUCCESS;
} else {
status = HAL_STATUS_FAILED;
}
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_STOP_VR, status);
}
static void handle_volume_control(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_volume_control *cmd = buf;
uint8_t status, volume;
DBG("type=%u volume=%u", cmd->type, cmd->volume);
volume = cmd->volume > 15 ? 15 : cmd->volume;
switch (cmd->type) {
case HAL_HANDSFREE_VOLUME_TYPE_MIC:
hfp_gw_send_info(device.gw, "+VGM: %u", volume);
status = HAL_STATUS_SUCCESS;
break;
case HAL_HANDSFREE_VOLUME_TYPE_SPEAKER:
hfp_gw_send_info(device.gw, "+VGS: %u", volume);
status = HAL_STATUS_SUCCESS;
break;
default:
status = HAL_STATUS_FAILED;
break;
}
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_VOLUME_CONTROL, status);
}
static void update_indicator(int ind, uint8_t val)
{
DBG("ind=%u new=%u old=%u", ind, val, device.inds[ind].val);
if (device.inds[ind].val == val)
return;
device.inds[ind].val = val;
if (!device.indicators_enabled)
return;
if (!device.inds[ind].active)
return;
/* indicator numbers in CIEV start from 1 */
hfp_gw_send_info(device.gw, "+CIEV: %u,%u", ind + 1, val);
}
static void handle_device_status_notif(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_device_status_notif *cmd = buf;
DBG("");
update_indicator(IND_SERVICE, cmd->state);
update_indicator(IND_ROAM, cmd->type);
update_indicator(IND_SIGNAL, cmd->signal);
update_indicator(IND_BATTCHG, cmd->battery);
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_DEVICE_STATUS_NOTIF,
HAL_STATUS_SUCCESS);
}
static void handle_cops(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_cops_response *cmd = buf;
if (len != sizeof(*cmd) + cmd->len ||
(cmd->len != 0 && cmd->buf[cmd->len - 1] != '\0')) {
error("Invalid cops response command, terminating");
raise(SIGTERM);
return;
}
DBG("");
hfp_gw_send_info(device.gw, "+COPS: 0,0,\"%.16s\"",
cmd->len ? (char *) cmd->buf : "");
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_COPS_RESPONSE, HAL_STATUS_SUCCESS);
}
static unsigned int get_callsetup(uint8_t state)
{
switch (state) {
case HAL_HANDSFREE_CALL_STATE_INCOMING:
return 1;
case HAL_HANDSFREE_CALL_STATE_DIALING:
return 2;
case HAL_HANDSFREE_CALL_STATE_ALERTING:
return 3;
default:
return 0;
}
}
static void handle_cind(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_cind_response *cmd = buf;
DBG("");
/* HAL doesn't provide indicators values so need to convert here */
device.inds[IND_SERVICE].val = cmd->svc;
device.inds[IND_CALL].val = !!(cmd->num_active + cmd->num_held);
device.inds[IND_CALLSETUP].val = get_callsetup(cmd->state);
device.inds[IND_CALLHELD].val = cmd->num_held ?
(cmd->num_active ? 1 : 2) : 0;
device.inds[IND_SIGNAL].val = cmd->signal;
device.inds[IND_ROAM].val = cmd->roam;
device.inds[IND_BATTCHG].val = cmd->batt_chg;
/* Order must match indicators_defaults table */
hfp_gw_send_info(device.gw, "+CIND: %u,%u,%u,%u,%u,%u,%u",
device.inds[IND_SERVICE].val,
device.inds[IND_CALL].val,
device.inds[IND_CALLSETUP].val,
device.inds[IND_CALLHELD].val,
device.inds[IND_SIGNAL].val,
device.inds[IND_ROAM].val,
device.inds[IND_BATTCHG].val);
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_CIND_RESPONSE, HAL_STATUS_SUCCESS);
}
static void handle_formatted_at_resp(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_formatted_at_response *cmd = buf;
DBG("");
if (len != sizeof(*cmd) + cmd->len ||
(cmd->len != 0 && cmd->buf[cmd->len - 1] != '\0')) {
error("Invalid formatted AT response command, terminating");
raise(SIGTERM);
return;
}
DBG("");
hfp_gw_send_info(device.gw, "%s", cmd->len ? (char *) cmd->buf : "");
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_FORMATTED_AT_RESPONSE,
HAL_STATUS_SUCCESS);
}
static void handle_at_resp(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_at_response *cmd = buf;
DBG("");
if (cmd->response == HAL_HANDSFREE_AT_RESPONSE_OK)
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
else if (device.cmee_enabled)
hfp_gw_send_error(device.gw, cmd->error);
else
hfp_gw_send_result(device.gw, HFP_RESULT_ERROR);
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_AT_RESPONSE, HAL_STATUS_SUCCESS);
}
static void handle_clcc_resp(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_clcc_response *cmd = buf;
uint8_t status;
char *number;
if (len != sizeof(*cmd) + cmd->number_len || (cmd->number_len != 0 &&
cmd->number[cmd->number_len - 1] != '\0')) {
error("Invalid CLCC response command, terminating");
raise(SIGTERM);
return;
}
DBG("");
if (!cmd->index) {
hfp_gw_send_result(device.gw, HFP_RESULT_OK);
status = HAL_STATUS_SUCCESS;
goto done;
}
number = cmd->number_len ? (char *) cmd->number : "";
switch (cmd->state) {
case HAL_HANDSFREE_CALL_STATE_INCOMING:
case HAL_HANDSFREE_CALL_STATE_WAITING:
case HAL_HANDSFREE_CALL_STATE_ACTIVE:
case HAL_HANDSFREE_CALL_STATE_HELD:
case HAL_HANDSFREE_CALL_STATE_DIALING:
case HAL_HANDSFREE_CALL_STATE_ALERTING:
if (cmd->type == HAL_HANDSFREE_CALL_ADDRTYPE_INTERNATIONAL &&
number[0] != '+')
hfp_gw_send_info(device.gw,
"+CLCC: %u,%u,%u,%u,%u,\"+%s\",%u",
cmd->index, cmd->dir, cmd->state,
cmd->mode, cmd->mpty, number,
cmd->type);
else
hfp_gw_send_info(device.gw,
"+CLCC: %u,%u,%u,%u,%u,\"%s\",%u",
cmd->index, cmd->dir, cmd->state,
cmd->mode, cmd->mpty, number,
cmd->type);
status = HAL_STATUS_SUCCESS;
break;
case HAL_HANDSFREE_CALL_STATE_IDLE:
default:
status = HAL_STATUS_FAILED;
break;
}
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_CLCC_RESPONSE, status);
}
static gboolean ring_cb(gpointer user_data)
{
char *clip = user_data;
hfp_gw_send_info(device.gw, "RING");
if (device.clip_enabled && clip)
hfp_gw_send_info(device.gw, "%s", clip);
return TRUE;
}
static void phone_state_dialing(int num_active, int num_held)
{
update_indicator(IND_CALLSETUP, 2);
if (num_active == 0 && num_held > 0)
update_indicator(IND_CALLHELD, 2);
if (device.num_active == 0 && device.num_held == 0)
connect_audio();
}
static void phone_state_alerting(int num_active, int num_held)
{
update_indicator(IND_CALLSETUP, 3);
}
static void phone_state_waiting(int num_active, int num_held, uint8_t type,
const uint8_t *number, int number_len)
{
char *num;
if (!device.ccwa_enabled)
return;
num = number_len ? (char *) number : "";
if (type == HAL_HANDSFREE_CALL_ADDRTYPE_INTERNATIONAL && num[0] != '+')
hfp_gw_send_info(device.gw, "+CCWA: \"+%s\",%u", num, type);
else
hfp_gw_send_info(device.gw, "+CCWA: \"%s\",%u", num, type);
update_indicator(IND_CALLSETUP, 1);
}
static void phone_state_incoming(int num_active, int num_held, uint8_t type,
const uint8_t *number, int number_len)
{
char *clip, *num;
if (device.setup_state == HAL_HANDSFREE_CALL_STATE_INCOMING) {
if (device.num_active != num_active ||
device.num_held != num_held) {
/*
* calls changed while waiting call ie. due to
* termination of active call
*/
update_indicator(IND_CALLHELD,
num_held ? (num_active ? 1 : 2) : 0);
update_indicator(IND_CALL, !!(num_active + num_held));
}
return;
}
if (device.call_hanging_up)
return;
if (num_active > 0 || num_held > 0) {
phone_state_waiting(num_active, num_held, type, number,
number_len);
return;
}
update_indicator(IND_CALLSETUP, 1);
num = number_len ? (char *) number : "";
if (type == HAL_HANDSFREE_CALL_ADDRTYPE_INTERNATIONAL && num[0] != '+')
clip = g_strdup_printf("+CLIP: \"+%s\",%u", num, type);
else
clip = g_strdup_printf("+CLIP: \"%s\",%u", num, type);
/* send first RING */
ring_cb(clip);
device.ring = g_timeout_add_seconds_full(G_PRIORITY_DEFAULT,
RING_TIMEOUT, ring_cb,
clip, g_free);
if (!device.ring)
g_free(clip);
}
static void phone_state_idle(int num_active, int num_held)
{
if (device.ring) {
g_source_remove(device.ring);
device.ring = 0;
}
switch (device.setup_state) {
case HAL_HANDSFREE_CALL_STATE_INCOMING:
if (num_active > device.num_active) {
update_indicator(IND_CALL, 1);
if (device.num_active == 0 && device.num_held == 0)
connect_audio();
}
if (num_held > device.num_held)
update_indicator(IND_CALLHELD, 1);
update_indicator(IND_CALLSETUP, 0);
if (num_active == device.num_active &&
num_held == device.num_held)
device.call_hanging_up = true;
break;
case HAL_HANDSFREE_CALL_STATE_DIALING:
case HAL_HANDSFREE_CALL_STATE_ALERTING:
if (num_active > device.num_active)
update_indicator(IND_CALL, 1);
update_indicator(IND_CALLHELD,
num_held ? (num_active ? 1 : 2) : 0);
update_indicator(IND_CALLSETUP, 0);
break;
case HAL_HANDSFREE_CALL_STATE_IDLE:
if (device.call_hanging_up) {
device.call_hanging_up = false;
return;
}
/* check if calls swapped */
if (num_held != 0 && num_active != 0 &&
device.num_active == num_held &&
device.num_held == num_active) {
/* TODO better way for forcing indicator */
device.inds[IND_CALLHELD].val = 0;
} else if ((num_active > 0 || num_held > 0) &&
device.num_active == 0 &&
device.num_held == 0) {
/*
* If number of active or held calls change but there
* was no call setup change this means that there were
* calls present when headset was connected.
*/
connect_audio();
} else if (num_active == 0 && num_held == 0) {
disconnect_sco();
}
update_indicator(IND_CALLHELD,
num_held ? (num_active ? 1 : 2) : 0);
update_indicator(IND_CALL, !!(num_active + num_held));
update_indicator(IND_CALLSETUP, 0);
/* If call was terminated due to carrier lost send NO CARRIER */
if (num_active == 0 && num_held == 0 &&
device.inds[IND_SERVICE].val == 0 &&
(device.num_active > 0 || device.num_held > 0))
hfp_gw_send_info(device.gw, "NO CARRIER");
break;
default:
DBG("unhandled state %u", device.setup_state);
break;
}
}
static void handle_phone_state_change(const void *buf, uint16_t len)
{
const struct hal_cmd_handsfree_phone_state_change *cmd = buf;
uint8_t status;
if (len != sizeof(*cmd) + cmd->number_len || (cmd->number_len != 0 &&
cmd->number[cmd->number_len - 1] != '\0')) {
error("Invalid phone state change command, terminating");
raise(SIGTERM);
return;
}
DBG("active=%u hold=%u state=%u", cmd->num_active, cmd->num_held,
cmd->state);
switch (cmd->state) {
case HAL_HANDSFREE_CALL_STATE_DIALING:
phone_state_dialing(cmd->num_active, cmd->num_held);
break;
case HAL_HANDSFREE_CALL_STATE_ALERTING:
phone_state_alerting(cmd->num_active, cmd->num_held);
break;
case HAL_HANDSFREE_CALL_STATE_INCOMING:
phone_state_incoming(cmd->num_active, cmd->num_held, cmd->type,
cmd->number, cmd->number_len);
break;
case HAL_HANDSFREE_CALL_STATE_IDLE:
phone_state_idle(cmd->num_active, cmd->num_held);
break;
default:
DBG("unhandled new state %u (current state %u)", cmd->state,
device.setup_state);
status = HAL_STATUS_FAILED;
goto failed;
}
device.num_active = cmd->num_active;
device.num_held = cmd->num_held;
device.setup_state = cmd->state;
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_HANDSFREE,
HAL_OP_HANDSFREE_PHONE_STATE_CHANGE, status);
}
static const struct ipc_handler cmd_handlers[] = {
/* HAL_OP_HANDSFREE_CONNECT */
{ handle_connect, false,
sizeof(struct hal_cmd_handsfree_connect) },
/* HAL_OP_HANDSFREE_DISCONNECT */
{ handle_disconnect, false,
sizeof(struct hal_cmd_handsfree_disconnect) },
/* HAL_OP_HANDSFREE_CONNECT_AUDIO */
{ handle_connect_audio, false,
sizeof(struct hal_cmd_handsfree_connect_audio) },
/* HAL_OP_HANDSFREE_DISCONNECT_AUDIO */
{ handle_disconnect_audio, false,
sizeof(struct hal_cmd_handsfree_disconnect_audio) },
/* define HAL_OP_HANDSFREE_START_VR */
{ handle_start_vr, false, 0 },
/* define HAL_OP_HANDSFREE_STOP_VR */
{ handle_stop_vr, false, 0 },
/* HAL_OP_HANDSFREE_VOLUME_CONTROL */
{ handle_volume_control, false,
sizeof(struct hal_cmd_handsfree_volume_control) },
/* HAL_OP_HANDSFREE_DEVICE_STATUS_NOTIF */
{ handle_device_status_notif, false,
sizeof(struct hal_cmd_handsfree_device_status_notif) },
/* HAL_OP_HANDSFREE_COPS_RESPONSE */
{ handle_cops, true,
sizeof(struct hal_cmd_handsfree_cops_response) },
/* HAL_OP_HANDSFREE_CIND_RESPONSE */
{ handle_cind, false,
sizeof(struct hal_cmd_handsfree_cind_response) },
/* HAL_OP_HANDSFREE_FORMATTED_AT_RESPONSE */
{ handle_formatted_at_resp, true,
sizeof(struct hal_cmd_handsfree_formatted_at_response) },
/* HAL_OP_HANDSFREE_AT_RESPONSE */
{ handle_at_resp, false,
sizeof(struct hal_cmd_handsfree_at_response) },
/* HAL_OP_HANDSFREE_CLCC_RESPONSE */
{ handle_clcc_resp, true,
sizeof(struct hal_cmd_handsfree_clcc_response) },
/* HAL_OP_HANDSFREE_PHONE_STATE_CHANGE */
{ handle_phone_state_change, true,
sizeof(struct hal_cmd_handsfree_phone_state_change) },
};
static sdp_record_t *headset_ag_record(void)
{
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;
uint8_t netid = 0x01;
sdp_data_t *network;
uint8_t ch = HSP_AG_CHANNEL;
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, 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, "Voice Gateway", 0, 0);
sdp_attr_add(record, SDP_ATTR_EXTERNAL_NETWORK, network);
sdp_data_free(channel);
sdp_list_free(proto[0], NULL);
sdp_list_free(proto[1], NULL);
sdp_list_free(apseq, NULL);
sdp_list_free(pfseq, NULL);
sdp_list_free(aproto, NULL);
sdp_list_free(root, NULL);
sdp_list_free(svclass_id, NULL);
return record;
}
static void confirm_sco_cb(GIOChannel *chan, gpointer user_data)
{
char address[18];
bdaddr_t bdaddr;
GError *err = NULL;
if (device.sco)
goto drop;
bt_io_get(chan, &err,
BT_IO_OPT_DEST, address,
BT_IO_OPT_DEST_BDADDR, &bdaddr,
BT_IO_OPT_INVALID);
if (err) {
error("handsfree: audio confirm failed (%s)", err->message);
g_error_free(err);
goto drop;
}
DBG("incoming SCO connection from %s", address);
if (device.state != HAL_EV_HANDSFREE_CONN_STATE_SLC_CONNECTED ||
bacmp(&device.bdaddr, &bdaddr)) {
error("handsfree: audio connection from %s rejected", address);
goto drop;
}
if (!bt_io_accept(chan, connect_sco_cb, NULL, NULL, NULL)) {
error("handsfree: failed to accept audio connection");
goto drop;
}
device_set_audio_state(HAL_EV_HANDSFREE_AUDIO_STATE_CONNECTING);
return;
drop:
g_io_channel_shutdown(chan, TRUE, NULL);
}
static bool enable_hsp_ag(void)
{
sdp_record_t *rec;
GError *err = NULL;
DBG("");
hsp_server = bt_io_listen(NULL, confirm_cb, GINT_TO_POINTER(true),
NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_CHANNEL, HSP_AG_CHANNEL,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_INVALID);
if (!hsp_server) {
error("Failed to listen on Headset rfcomm: %s", err->message);
g_error_free(err);
return false;
}
rec = headset_ag_record();
if (!rec) {
error("Failed to allocate Headset record");
goto failed;
}
if (bt_adapter_add_record(rec, 0) < 0) {
error("Failed to register Headset record");
sdp_record_free(rec);
goto failed;
}
hsp_record_id = rec->handle;
return true;
failed:
g_io_channel_shutdown(hsp_server, TRUE, NULL);
g_io_channel_unref(hsp_server);
hsp_server = NULL;
return false;
}
static void cleanup_hsp_ag(void)
{
if (hsp_server) {
g_io_channel_shutdown(hsp_server, TRUE, NULL);
g_io_channel_unref(hsp_server);
hsp_server = NULL;
}
if (hsp_record_id > 0) {
bt_adapter_remove_record(hsp_record_id);
hsp_record_id = 0;
}
}
static sdp_record_t *hfp_ag_record(void)
{
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;
uint8_t ch = HFP_AG_CHANNEL;
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(NULL, &root_uuid);
sdp_set_browse_groups(record, root);
sdp_uuid16_create(&svclass_uuid, HANDSFREE_AGW_SVCLASS_ID);
svclass_id = sdp_list_append(NULL, &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 = 0x0106;
pfseq = sdp_list_append(NULL, &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(NULL, proto[0]);
sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID);
proto[1] = sdp_list_append(NULL, &rfcomm_uuid);
channel = sdp_data_alloc(SDP_UINT8, &ch);
proto[1] = sdp_list_append(proto[1], channel);
apseq = sdp_list_append(apseq, proto[1]);
/* Codec Negotiation bit in SDP feature is different then in BRSF */
sdpfeat = hfp_ag_features & 0x0000003F;
if (hfp_ag_features & HFP_AG_FEAT_CODEC)
sdpfeat |= 0x00000020;
else
sdpfeat &= ~0x00000020;
features = sdp_data_alloc(SDP_UINT16, &sdpfeat);
sdp_attr_add(record, SDP_ATTR_SUPPORTED_FEATURES, features);
aproto = sdp_list_append(NULL, apseq);
sdp_set_access_protos(record, aproto);
sdp_set_info_attr(record, "Hands-Free Audio Gateway", NULL, NULL);
sdp_attr_add(record, SDP_ATTR_EXTERNAL_NETWORK, network);
sdp_data_free(channel);
sdp_list_free(proto[0], NULL);
sdp_list_free(proto[1], NULL);
sdp_list_free(apseq, NULL);
sdp_list_free(pfseq, NULL);
sdp_list_free(aproto, NULL);
sdp_list_free(root, NULL);
sdp_list_free(svclass_id, NULL);
return record;
}
static bool enable_hfp_ag(void)
{
sdp_record_t *rec;
GError *err = NULL;
DBG("");
if (hfp_server)
return false;
hfp_server = bt_io_listen(NULL, confirm_cb, GINT_TO_POINTER(false),
NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_CHANNEL, HFP_AG_CHANNEL,
BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM,
BT_IO_OPT_INVALID);
if (!hfp_server) {
error("Failed to listen on Handsfree rfcomm: %s", err->message);
g_error_free(err);
return false;
}
rec = hfp_ag_record();
if (!rec) {
error("Failed to allocate Handsfree record");
goto failed;
}
if (bt_adapter_add_record(rec, 0) < 0) {
error("Failed to register Handsfree record");
sdp_record_free(rec);
goto failed;
}
hfp_record_id = rec->handle;
return true;
failed:
g_io_channel_shutdown(hfp_server, TRUE, NULL);
g_io_channel_unref(hfp_server);
hfp_server = NULL;
return false;
}
static void cleanup_hfp_ag(void)
{
if (hfp_server) {
g_io_channel_shutdown(hfp_server, TRUE, NULL);
g_io_channel_unref(hfp_server);
hfp_server = NULL;
}
if (hfp_record_id > 0) {
bt_adapter_remove_record(hfp_record_id);
hfp_record_id = 0;
}
}
static bool enable_sco_server(void)
{
GError *err = NULL;
sco_server = bt_io_listen(NULL, confirm_sco_cb, NULL, NULL, &err,
BT_IO_OPT_SOURCE_BDADDR, &adapter_addr,
BT_IO_OPT_INVALID);
if (!sco_server) {
error("handsfree: Failed to listen on SCO: %s", err->message);
g_error_free(err);
cleanup_hsp_ag();
cleanup_hfp_ag();
return false;
}
return true;
}
static void disable_sco_server(void)
{
if (sco_server) {
g_io_channel_shutdown(sco_server, TRUE, NULL);
g_io_channel_unref(sco_server);
sco_server = NULL;
}
}
static void bt_sco_connect(const void *buf, uint16_t len)
{
int fd;
GError *err;
struct sco_rsp_connect rsp;
DBG("");
if (!device.sco)
goto failed;
err = NULL;
if (!bt_io_get(device.sco, &err, BT_IO_OPT_MTU, &rsp.mtu,
BT_IO_OPT_INVALID)) {
error("Unable to get MTU: %s\n", err->message);
g_clear_error(&err);
goto failed;
}
fd = g_io_channel_unix_get_fd(device.sco);
DBG("fd %d mtu %u", fd, rsp.mtu);
ipc_send_rsp_full(sco_ipc, SCO_SERVICE_ID, SCO_OP_CONNECT,
sizeof(rsp), &rsp, fd);
return;
failed:
ipc_send_rsp(sco_ipc, SCO_SERVICE_ID, SCO_OP_STATUS, SCO_STATUS_FAILED);
}
static const struct ipc_handler sco_handlers[] = {
/* SCO_OP_CONNECT */
{ bt_sco_connect, false, 0 }
};
static void bt_sco_unregister(void)
{
DBG("");
ipc_cleanup(sco_ipc);
sco_ipc = NULL;
}
static bool bt_sco_register(ipc_disconnect_cb disconnect)
{
DBG("");
sco_ipc = ipc_init(BLUEZ_SCO_SK_PATH, sizeof(BLUEZ_SCO_SK_PATH),
SCO_SERVICE_ID, false, disconnect, NULL);
if (!sco_ipc)
return false;
ipc_register(sco_ipc, SCO_SERVICE_ID, sco_handlers,
G_N_ELEMENTS(sco_handlers));
return true;
}
bool bt_handsfree_register(struct ipc *ipc, const bdaddr_t *addr, uint8_t mode)
{
DBG("mode 0x%x", mode);
bacpy(&adapter_addr, addr);
if (!enable_hsp_ag())
return false;
if (!enable_sco_server()) {
cleanup_hsp_ag();
return false;
}
if (mode == HAL_MODE_HANDSFREE_HSP_ONLY)
goto done;
hfp_ag_features = HFP_AG_FEATURES;
if (mode == HAL_MODE_HANDSFREE_HFP_WBS)
hfp_ag_features |= HFP_AG_FEAT_CODEC;
if (enable_hfp_ag())
goto done;
cleanup_hsp_ag();
disable_sco_server();
hfp_ag_features = 0;
return false;
done:
hal_ipc = ipc;
ipc_register(hal_ipc, HAL_SERVICE_ID_HANDSFREE, cmd_handlers,
G_N_ELEMENTS(cmd_handlers));
bt_sco_register(NULL);
return true;
}
void bt_handsfree_unregister(void)
{
DBG("");
bt_sco_unregister();
ipc_unregister(hal_ipc, HAL_SERVICE_ID_HANDSFREE);
hal_ipc = NULL;
cleanup_hfp_ag();
cleanup_hsp_ag();
disable_sco_server();
hfp_ag_features = 0;
}
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