static void bta_mce_search_cback(UINT16 result, void * user_data)
{
tSDP_DISC_REC *p_rec = NULL;
tBTA_MCE_MAS_DISCOVERY_COMP evt_data;
int found = 0;
APPL_TRACE_DEBUG1("bta_mce_start_discovery_cback res: 0x%x", result);
bta_mce_cb.sdp_active = BTA_MCE_SDP_ACT_NONE;
if (bta_mce_cb.p_dm_cback == NULL) return;
evt_data.status = BTA_MCE_FAILURE;
bdcpy(evt_data.remote_addr, bta_mce_cb.remote_addr);
evt_data.num_mas = 0;
if (result == SDP_SUCCESS || result == SDP_DB_FULL)
{
do
{
tSDP_DISC_ATTR *p_attr;
tSDP_PROTOCOL_ELEM pe;
p_rec = SDP_FindServiceUUIDInDb(p_bta_mce_cfg->p_sdp_db, (tBT_UUID*) &bta_mce_mas_uuid, p_rec);
APPL_TRACE_DEBUG1("p_rec:%p", p_rec);
if (p_rec == NULL)
break;
if (!SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe))
continue;
evt_data.mas[found].scn = pe.params[0];
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SERVICE_NAME)) == NULL)
continue;
evt_data.mas[found].p_srv_name = (char *) p_attr->attr_value.v.array;
evt_data.mas[found].srv_name_len= SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_MAS_INSTANCE_ID)) == NULL)
break;
evt_data.mas[found].instance_id = p_attr->attr_value.v.u8;
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_MSG_TYPE)) == NULL)
break;
evt_data.mas[found].msg_type = p_attr->attr_value.v.u8;
found++;
} while (p_rec != NULL && found < BTA_MCE_MAX_MAS_INSTANCES);
evt_data.num_mas = found;
evt_data.status = BTA_MCE_SUCCESS;
}
bta_mce_cb.p_dm_cback(BTA_MCE_MAS_DISCOVERY_COMP_EVT, (tBTA_MCE*) &evt_data, user_data);
}
void hidh_get_str_attr( tSDP_DISC_REC *p_rec, UINT16 attr_id, UINT16 max_len, char *str )
{
tSDP_DISC_ATTR *p_attr;
UINT16 name_len;
if ((p_attr = SDP_FindAttributeInRec(p_rec, attr_id)) != NULL)
{
if((name_len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type)) < max_len )
{
memcpy( str, (char *) p_attr->attr_value.v.array, name_len );
str[name_len] = '\0';
}
else
{
memcpy( str, (char *) p_attr->attr_value.v.array, max_len-1 );
str[max_len] = '\0';
}
}
else
str[0] = '\0';
}
static void hidh_search_callback (UINT16 sdp_result)
{
tSDP_DISCOVERY_DB *p_db = hh_cb.p_sdp_db;
tSDP_DISC_REC *p_rec;
tSDP_DISC_ATTR *p_attr, *p_subattr1, *p_subattr2, *p_repdesc;
tBT_UUID hid_uuid;
tHID_DEV_SDP_INFO *p_nvi = &hh_cb.sdp_rec;
UINT16 attr_mask = 0;
hid_uuid.len = LEN_UUID_16;
hid_uuid.uu.uuid16 = UUID_SERVCLASS_HUMAN_INTERFACE;
hh_cb.sdp_busy = FALSE;
if (sdp_result != SDP_SUCCESS)
{
hh_cb.sdp_cback(sdp_result, 0, NULL);
return;
}
if ((p_rec = SDP_FindServiceUUIDInDb (p_db, &hid_uuid, NULL)) == NULL)
{
hh_cb.sdp_cback(HID_SDP_NO_SERV_UUID, 0, NULL);
return;
}
memset (&hh_cb.sdp_rec, 0, sizeof( tHID_DEV_SDP_INFO ));
/* First, verify the mandatory fields we care about */
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_DESCRIPTOR_LIST)) == NULL)
|| (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE)
|| ((p_subattr1 = p_attr->attr_value.v.p_sub_attr) == NULL)
|| (SDP_DISC_ATTR_TYPE(p_subattr1->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE)
|| ((p_subattr2 = p_subattr1->attr_value.v.p_sub_attr) == NULL)
|| ((p_repdesc = p_subattr2->p_next_attr) == NULL)
|| (SDP_DISC_ATTR_TYPE(p_repdesc->attr_len_type) != TEXT_STR_DESC_TYPE))
{
hh_cb.sdp_cback(HID_SDP_MANDATORY_MISSING, 0, NULL);
return;
}
if ((p_nvi->dscp_info.dl_len = SDP_DISC_ATTR_LEN(p_repdesc->attr_len_type)) != 0)
p_nvi->dscp_info.dsc_list = (UINT8 *) &p_repdesc->attr_value;
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_VIRTUAL_CABLE)) != NULL) &&
(p_attr->attr_value.v.u8) )
{
attr_mask |= HID_VIRTUAL_CABLE;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_RECONNECT_INITIATE)) != NULL) &&
(p_attr->attr_value.v.u8) )
{
attr_mask |= HID_RECONN_INIT;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_NORMALLY_CONNECTABLE)) != NULL) &&
(p_attr->attr_value.v.u8) )
{
attr_mask |= HID_NORMALLY_CONNECTABLE;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_SDP_DISABLE)) != NULL)&&
(p_attr->attr_value.v.u8) )
{
attr_mask |= HID_SDP_DISABLE;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_BATTERY_POWER)) != NULL)&&
(p_attr->attr_value.v.u8) )
{
attr_mask |= HID_BATTERY_POWER;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_REMOTE_WAKE)) != NULL)&&
(p_attr->attr_value.v.u8) )
{
attr_mask |= HID_REMOTE_WAKE;
}
hidh_get_str_attr( p_rec, ATTR_ID_SERVICE_NAME, HID_MAX_SVC_NAME_LEN, p_nvi->svc_name );
hidh_get_str_attr( p_rec, ATTR_ID_SERVICE_DESCRIPTION, HID_MAX_SVC_DESCR_LEN, p_nvi->svc_descr );
hidh_get_str_attr( p_rec, ATTR_ID_PROVIDER_NAME, HID_MAX_PROV_NAME_LEN, p_nvi->prov_name );
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_DEVICE_RELNUM)) != NULL))
{
p_nvi->rel_num = p_attr->attr_value.v.u16;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_COUNTRY_CODE)) != NULL))
{
p_nvi->ctry_code = p_attr->attr_value.v.u8;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_DEVICE_SUBCLASS)) != NULL))
{
p_nvi->sub_class = p_attr->attr_value.v.u8;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_PARSER_VERSION)) != NULL))
{
p_nvi->hpars_ver = p_attr->attr_value.v.u16;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_LINK_SUPERVISION_TO)) != NULL))
{
attr_mask |= HID_SUP_TOUT_AVLBL;
p_nvi->sup_timeout = p_attr->attr_value.v.u16;
}
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_SSR_HOST_MAX_LAT)) != NULL))
{
attr_mask |= HID_SSR_MAX_LATENCY;
p_nvi->ssr_max_latency = p_attr->attr_value.v.u16;
}
else
p_nvi->ssr_max_latency = HID_SSR_PARAM_INVALID;
if (((p_attr = SDP_FindAttributeInRec (p_rec, ATTR_ID_HID_SSR_HOST_MIN_TOUT)) != NULL))
{
attr_mask |= HID_SSR_MIN_TOUT;
p_nvi->ssr_min_tout = p_attr->attr_value.v.u16;
}
else
p_nvi->ssr_max_latency = HID_SSR_PARAM_INVALID;
hh_cb.sdp_rec.p_sdp_layer_rec = p_rec;
hh_cb.sdp_cback(SDP_SUCCESS, attr_mask, &hh_cb.sdp_rec);
}
/*******************************************************************************
**
** Function bta_hf_client_sdp_find_attr
**
** Description Process SDP discovery results to find requested attribute
**
**
** Returns TRUE if results found, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN bta_hf_client_sdp_find_attr(void)
{
tSDP_DISC_REC *p_rec = NULL;
tSDP_DISC_ATTR *p_attr;
tSDP_PROTOCOL_ELEM pe;
BOOLEAN result = FALSE;
bta_hf_client_cb.scb.peer_version = HFP_VERSION_1_1; /* Default version */
/* loop through all records we found */
while (TRUE) {
/* get next record; if none found, we're done */
if ((p_rec = SDP_FindServiceInDb(bta_hf_client_cb.scb.p_disc_db, UUID_SERVCLASS_AG_HANDSFREE, p_rec)) == NULL) {
break;
}
/* get scn from proto desc list if initiator */
if (bta_hf_client_cb.scb.role == BTA_HF_CLIENT_INT) {
if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe)) {
bta_hf_client_cb.scb.peer_scn = (UINT8) pe.params[0];
} else {
continue;
}
}
/* get profile version (if failure, version parameter is not updated) */
SDP_FindProfileVersionInRec(p_rec, UUID_SERVCLASS_HF_HANDSFREE, &bta_hf_client_cb.scb.peer_version);
/* get features */
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_FEATURES)) != NULL) {
/* Found attribute. Get value. */
/* There might be race condition between SDP and BRSF. */
/* Do not update if we already received BRSF. */
if (bta_hf_client_cb.scb.peer_features == 0) {
bta_hf_client_cb.scb.peer_features = p_attr->attr_value.v.u16;
/* SDP and BRSF WBS bit are different, correct it if set */
if (bta_hf_client_cb.scb.peer_features & 0x0020) {
bta_hf_client_cb.scb.peer_features &= ~0x0020;
bta_hf_client_cb.scb.peer_features |= BTA_HF_CLIENT_PEER_CODEC;
}
/* get network for ability to reject calls */
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_NETWORK)) != NULL) {
if (p_attr->attr_value.v.u16 == 0x01) {
bta_hf_client_cb.scb.peer_features |= BTA_HF_CLIENT_PEER_REJECT;
}
}
}
}
/* found what we needed */
result = TRUE;
break;
}
APPL_TRACE_DEBUG("%s peer_version=0x%x peer_features=0x%x",
__FUNCTION__, bta_hf_client_cb.scb.peer_version,
bta_hf_client_cb.scb.peer_features);
return result;
}
/*******************************************************************************
**
** Function bta_ag_sdp_find_attr
**
** Description Process SDP discovery results to find requested attributes
** for requested service.
**
**
** Returns TRUE if results found, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service)
{
tSDP_DISC_REC *p_rec = NULL;
tSDP_DISC_ATTR *p_attr;
tSDP_PROTOCOL_ELEM pe;
UINT16 uuid;
BOOLEAN result = FALSE;
if (service & BTA_HFP_SERVICE_MASK)
{
uuid = UUID_SERVCLASS_HF_HANDSFREE;
p_scb->peer_version = HFP_VERSION_1_1; /* Default version */
}
else if (service & BTA_HSP_SERVICE_MASK && p_scb->role == BTA_AG_INT)
{
uuid = UUID_SERVCLASS_HEADSET_HS;
p_scb->peer_version = 0x0100; /* Default version */
}
else
{
return result;
}
/* loop through all records we found */
while (TRUE)
{
/* get next record; if none found, we're done */
if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL)
{
if (uuid == UUID_SERVCLASS_HEADSET_HS)
{
/* Search again in case the peer device is HSP v1.0 */
uuid = UUID_SERVCLASS_HEADSET;
if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL)
{
break;
}
}
else
break;
}
/* get scn from proto desc list if initiator */
if (p_scb->role == BTA_AG_INT)
{
if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe))
{
p_scb->peer_scn = (UINT8) pe.params[0];
}
else
{
continue;
}
}
/* get profile version (if failure, version parameter is not updated) */
SDP_FindProfileVersionInRec(p_rec, uuid, &p_scb->peer_version);
/* get features if HFP */
if (service & BTA_HFP_SERVICE_MASK)
{
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_FEATURES)) != NULL)
{
/* Found attribute. Get value. */
/* There might be race condition between SDP and BRSF. */
/* Do not update if we already received BRSF. */
APPL_TRACE_DEBUG1("bta_ag_sdp_find_attr: peer_attr 0x%x", p_attr->attr_value.v.u16);
APPL_TRACE_WARNING0("bta_ag_sdp_find_attr not using value as p_scb->peer_features");
/* Do not use the value as peer_features.
**
** if (p_scb->peer_features == 0)
** p_scb->peer_features = p_attr->attr_value.v.u16;
**
** Reason is, that the service connection negotiation depends on the
** BTA_AG_FEAT_3WAY feature (see the calling of bta_ag_svc_conn_open()
** for BTA_AG_HF_CMD_CMER). A race condition could result in erratic
** behavior.
**
** Background: Using the attr_value for peer_feature was a change introduced
** in android 4.2. That version triggered a number of bug-reports about
** bluetooth being broken.
**
** This problem was observed first hand on a BMW 2005/E46 car kit which does
** not send AT+BRSF and behaves as if it would not support 3WAY. With the newly
** introduced code for using attr_value as peer_feature the result was that
** bluetooth connections to the car kit always terminated after 5 seconds
** (via BTA_AG_SVC_TOUT_EVT).
*/
}
}
else /* HSP */
{
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_REMOTE_AUDIO_VOLUME_CONTROL)) != NULL)
{
/* Remote volume control of HSP */
if (p_attr->attr_value.v.u8)
p_scb->peer_features |= BTA_AG_PEER_FEAT_VOL;
else
p_scb->peer_features &= ~BTA_AG_PEER_FEAT_VOL;
}
}
/* found what we needed */
result = TRUE;
break;
}
return result;
}
/*******************************************************************************
**
** Function bta_ag_sdp_find_attr
**
** Description Process SDP discovery results to find requested attributes
** for requested service.
**
**
** Returns TRUE if results found, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN bta_ag_sdp_find_attr(tBTA_AG_SCB *p_scb, tBTA_SERVICE_MASK service)
{
tSDP_DISC_REC *p_rec = NULL;
tSDP_DISC_ATTR *p_attr;
tSDP_PROTOCOL_ELEM pe;
UINT16 uuid;
BOOLEAN result = FALSE;
if (service & BTA_HFP_SERVICE_MASK)
{
uuid = UUID_SERVCLASS_HF_HANDSFREE;
p_scb->peer_version = HFP_VERSION_1_1; /* Default version */
}
else if (service & BTA_HSP_SERVICE_MASK && p_scb->role == BTA_AG_INT)
{
uuid = UUID_SERVCLASS_HEADSET_HS;
p_scb->peer_version = 0x0100; /* Default version */
}
else
{
return result;
}
/* loop through all records we found */
while (TRUE)
{
/* get next record; if none found, we're done */
if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL)
{
if (uuid == UUID_SERVCLASS_HEADSET_HS)
{
/* Search again in case the peer device is HSP v1.0 */
uuid = UUID_SERVCLASS_HEADSET;
if ((p_rec = SDP_FindServiceInDb(p_scb->p_disc_db, uuid, p_rec)) == NULL)
{
break;
}
}
else
break;
}
/* get scn from proto desc list if initiator */
if (p_scb->role == BTA_AG_INT)
{
if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_RFCOMM, &pe))
{
p_scb->peer_scn = (UINT8) pe.params[0];
}
else
{
continue;
}
}
/* get profile version (if failure, version parameter is not updated) */
SDP_FindProfileVersionInRec(p_rec, uuid, &p_scb->peer_version);
/* get features if HFP */
if (service & BTA_HFP_SERVICE_MASK)
{
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_SUPPORTED_FEATURES)) != NULL)
{
/* Found attribute. Get value. */
/* There might be race condition between SDP and BRSF. */
/* Do not update if we already received BRSF. */
if (p_scb->peer_features == 0)
p_scb->peer_features = p_attr->attr_value.v.u16;
}
}
else /* HSP */
{
if ((p_attr = SDP_FindAttributeInRec(p_rec, ATTR_ID_REMOTE_AUDIO_VOLUME_CONTROL)) != NULL)
{
/* Remote volume control of HSP */
if (p_attr->attr_value.v.u8)
p_scb->peer_features |= BTA_AG_PEER_FEAT_VOL;
else
p_scb->peer_features &= ~BTA_AG_PEER_FEAT_VOL;
}
}
/* found what we needed */
result = TRUE;
break;
}
return result;
}
