/******************************************************************************
*
* Copyright (C) 1998-2012 Broadcom Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
#include <string.h>
#include "bt_target.h"
#if (HL_INCLUDED == TRUE)
#include "bta_hl_int.h"
#include "osi/include/osi.h"
#include "sdp_api.h"
#include "utl.h"
/*******************************************************************************
*
* Function bta_hl_fill_sup_feature_list
*
* Description Fill the supported features from teh SDP record
*
* Returns true if found, false if not
* If found, the passed protocol list element is filled in.
*
******************************************************************************/
bool bta_hl_fill_sup_feature_list(const tSDP_DISC_ATTR* p_attr,
tBTA_HL_SUP_FEATURE_LIST_ELEM* p_list) {
tSDP_DISC_ATTR* p_sattr;
uint8_t item_cnt;
uint8_t list_cnt = 0;
bool status = true;
for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr;
p_attr = p_attr->p_next_attr) {
/* mdep sequence */
if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) {
return (false);
}
item_cnt = 0;
for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr && (item_cnt < 4);
p_sattr = p_sattr->p_next_attr) {
/* for each mdep list */
p_list->list_elem[list_cnt].p_mdep_desp = NULL;
switch (item_cnt) {
case 0:
p_list->list_elem[list_cnt].mdep_id = p_sattr->attr_value.v.u8;
break;
case 1:
p_list->list_elem[list_cnt].data_type = p_sattr->attr_value.v.u16;
break;
case 2:
p_list->list_elem[list_cnt].mdep_role =
(tBTA_HL_MDEP_ROLE)p_sattr->attr_value.v.u8;
break;
case 3:
p_list->list_elem[list_cnt].p_mdep_desp =
(char*)p_sattr->attr_value.v.array;
break;
}
item_cnt++;
}
list_cnt++;
}
p_list->num_elems = list_cnt;
return (status);
}
/*******************************************************************************
*
* Function bta_hl_compose_supported_feature_list
*
* Description This function is called to compose a data sequence from
* the supported feature element list struct pointer
*
* Returns the length of the data sequence
*
******************************************************************************/
int bta_hl_compose_supported_feature_list(
uint8_t* p, uint16_t num_elem,
const tBTA_HL_SUP_FEATURE_ELEM* p_elem_list) {
uint16_t xx, str_len, seq_len;
uint8_t* p_head = p;
for (xx = 0; xx < num_elem; xx++, p_elem_list++) {
UINT8_TO_BE_STREAM(p, (DATA_ELE_SEQ_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
seq_len = 7;
str_len = 0;
if (p_elem_list->p_mdep_desp) {
str_len = strlen(p_elem_list->p_mdep_desp) + 1;
seq_len += str_len + 2; /* todo add a # symbol for 2 */
}
*p++ = (uint8_t)seq_len;
UINT8_TO_BE_STREAM(p, (UINT_DESC_TYPE << 3) | SIZE_ONE_BYTE);
UINT8_TO_BE_STREAM(p, p_elem_list->mdep_id);
UINT8_TO_BE_STREAM(p, (UINT_DESC_TYPE << 3) | SIZE_TWO_BYTES);
UINT16_TO_BE_STREAM(p, p_elem_list->data_type);
UINT8_TO_BE_STREAM(p, (UINT_DESC_TYPE << 3) | SIZE_ONE_BYTE);
UINT8_TO_BE_STREAM(p, p_elem_list->mdep_role);
if (str_len) {
UINT8_TO_BE_STREAM(p, (TEXT_STR_DESC_TYPE << 3) | SIZE_IN_NEXT_BYTE);
UINT8_TO_BE_STREAM(p, str_len);
ARRAY_TO_BE_STREAM(p, p_elem_list->p_mdep_desp, str_len);
}
}
return (p - p_head);
}
/*******************************************************************************
*
* Function bta_hl_add_sup_feature_list
*
* Description This function is called to add a protocol descriptor list to
* a record. This would be through the SDP database maintenance
* API. If the protocol list already exists in the record, it
* is replaced with the new list.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool bta_hl_add_sup_feature_list(uint32_t handle, uint16_t num_elem,
const tBTA_HL_SUP_FEATURE_ELEM* p_elem_list) {
int offset;
bool result;
uint8_t* p_buf = (uint8_t*)osi_malloc(BTA_HL_SUP_FEATURE_SDP_BUF_SIZE);
offset = bta_hl_compose_supported_feature_list(p_buf, num_elem, p_elem_list);
result = SDP_AddAttribute(handle, ATTR_ID_HDP_SUP_FEAT_LIST,
DATA_ELE_SEQ_DESC_TYPE, (uint32_t)offset, p_buf);
osi_free(p_buf);
return result;
}
/*****************************************************************************
*
* Function: bta_hl_sdp_update
*
* Purpose: Register an HDP application with SDP
*
* Parameters:
*
* Returns: void
*
****************************************************************************/
tBTA_HL_STATUS bta_hl_sdp_update(UNUSED_ATTR uint8_t app_id) {
uint16_t svc_class_id_list[BTA_HL_NUM_SVC_ELEMS];
tSDP_PROTOCOL_ELEM proto_elem_list[BTA_HL_NUM_PROTO_ELEMS];
tSDP_PROTO_LIST_ELEM add_proto_list;
tBTA_HL_SUP_FEATURE_LIST_ELEM sup_feature_list;
uint16_t browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP};
uint8_t i, j, cnt, mdep_id, mdep_role;
uint8_t data_exchange_spec = BTA_HL_SDP_IEEE_11073_20601;
uint8_t mcap_sup_proc = BTA_HL_MCAP_SUP_PROC_MASK;
uint16_t profile_uuid = UUID_SERVCLASS_HDP_PROFILE;
uint16_t version = BTA_HL_VERSION;
uint8_t num_services = 1;
tBTA_HL_APP_CB* p_cb = BTA_HL_GET_APP_CB_PTR(0);
bool result = true;
tBTA_HL_STATUS status = BTA_HL_STATUS_OK;
if ((p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SOURCE) &&
(!p_cb->sup_feature.advertize_source_sdp)) {
return BTA_HL_STATUS_OK;
}
num_services = 1;
svc_class_id_list[0] = UUID_SERVCLASS_HDP_SOURCE;
if (p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SINK) {
svc_class_id_list[0] = UUID_SERVCLASS_HDP_SINK;
} else {
if (p_cb->sup_feature.app_role_mask != BTA_HL_MDEP_ROLE_MASK_SOURCE) {
/* dual role */
num_services = 2;
svc_class_id_list[1] = UUID_SERVCLASS_HDP_SINK;
}
}
result &= SDP_AddServiceClassIdList(p_cb->sdp_handle, num_services,
svc_class_id_list);
if (result) {
/* add the protocol element sequence */
proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
proto_elem_list[0].num_params = 1;
proto_elem_list[0].params[0] = p_cb->ctrl_psm;
proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_MCAP_CTRL;
proto_elem_list[1].num_params = 1;
proto_elem_list[1].params[0] = version;
result &= SDP_AddProtocolList(p_cb->sdp_handle, BTA_HL_NUM_PROTO_ELEMS,
proto_elem_list);
result &=
SDP_AddProfileDescriptorList(p_cb->sdp_handle, profile_uuid, version);
}
if (result) {
add_proto_list.num_elems = BTA_HL_NUM_ADD_PROTO_ELEMS;
add_proto_list.list_elem[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
add_proto_list.list_elem[0].num_params = 1;
add_proto_list.list_elem[0].params[0] = p_cb->data_psm;
add_proto_list.list_elem[1].protocol_uuid = UUID_PROTOCOL_MCAP_DATA;
add_proto_list.list_elem[1].num_params = 0;
result &=
SDP_AddAdditionProtoLists(p_cb->sdp_handle, BTA_HL_NUM_ADD_PROTO_LISTS,
(tSDP_PROTO_LIST_ELEM*)&add_proto_list);
}
if (result) {
if (p_cb->srv_name[0]) {
result &= SDP_AddAttribute(
p_cb->sdp_handle, (uint16_t)ATTR_ID_SERVICE_NAME,
(uint8_t)TEXT_STR_DESC_TYPE, (uint32_t)(strlen(p_cb->srv_name) + 1),
(uint8_t*)p_cb->srv_name);
} /* end of setting optional service name */
}
if (result) {
if (p_cb->srv_desp[0]) {
result &= SDP_AddAttribute(
p_cb->sdp_handle, (uint16_t)ATTR_ID_SERVICE_DESCRIPTION,
(uint8_t)TEXT_STR_DESC_TYPE, (uint32_t)(strlen(p_cb->srv_desp) + 1),
(uint8_t*)p_cb->srv_desp);
} /* end of setting optional service description */
}
if (result) {
if (p_cb->provider_name[0]) {
result &=
SDP_AddAttribute(p_cb->sdp_handle, (uint16_t)ATTR_ID_PROVIDER_NAME,
(uint8_t)TEXT_STR_DESC_TYPE,
(uint32_t)(strlen(p_cb->provider_name) + 1),
(uint8_t*)p_cb->provider_name);
} /* end of setting optional provider name */
}
/* add supported feture list */
if (result) {
cnt = 0;
for (i = 1; i < BTA_HL_NUM_MDEPS; i++) {
if (p_cb->sup_feature.mdep[i].mdep_id) {
mdep_id = (uint8_t)p_cb->sup_feature.mdep[i].mdep_id;
mdep_role = (uint8_t)p_cb->sup_feature.mdep[i].mdep_cfg.mdep_role;
APPL_TRACE_DEBUG(
"num_of_mdep_data_types %d ",
p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types);
for (j = 0;
j < p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types;
j++) {
sup_feature_list.list_elem[cnt].mdep_id = mdep_id;
sup_feature_list.list_elem[cnt].mdep_role = mdep_role;
sup_feature_list.list_elem[cnt].data_type =
p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].data_type;
if (p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp[0] != '\0') {
sup_feature_list.list_elem[cnt].p_mdep_desp =
p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp;
} else {
sup_feature_list.list_elem[cnt].p_mdep_desp = NULL;
}
cnt++;
if (cnt == BTA_HL_NUM_SUP_FEATURE_ELEMS) {
result = false;
break;
}
}
}
}
sup_feature_list.num_elems = cnt;
result &= bta_hl_add_sup_feature_list(p_cb->sdp_handle,
sup_feature_list.num_elems,
sup_feature_list.list_elem);
}
if (result) {
result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_DATA_EXCH_SPEC,
UINT_DESC_TYPE, (uint32_t)1,
(uint8_t*)&data_exchange_spec);
}
if (result) {
result &=
SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_MCAP_SUP_PROC,
UINT_DESC_TYPE, (uint32_t)1, (uint8_t*)&mcap_sup_proc);
}
if (result) {
result &= SDP_AddUuidSequence(p_cb->sdp_handle, ATTR_ID_BROWSE_GROUP_LIST,
1, browse_list);
}
if (result) {
for (i = 0; i < num_services; i++) {
bta_sys_add_uuid(svc_class_id_list[i]);
APPL_TRACE_DEBUG("dbg bta_sys_add_uuid i=%d uuid=0x%x", i,
svc_class_id_list[i]); // todo
}
} else {
if (p_cb->sdp_handle) {
SDP_DeleteRecord(p_cb->sdp_handle);
p_cb->sdp_handle = 0;
}
status = BTA_HL_STATUS_SDP_FAIL;
}
#if (BTA_HL_DEBUG == TRUE)
APPL_TRACE_DEBUG("bta_hl_sdp_update status=%s", bta_hl_status_code(status));
#endif
return status;
}
/*****************************************************************************
*
* Function: bta_hl_sdp_register
*
* Purpose: Register an HDP application with SDP
*
* Parameters: p_cb - Pointer to MA instance control block
* p_service_name - MA server name
* inst_id - MAS instance ID
* msg_type - Supported message type(s)
*
*
* Returns: void
*
****************************************************************************/
tBTA_HL_STATUS bta_hl_sdp_register(uint8_t app_idx) {
uint16_t svc_class_id_list[BTA_HL_NUM_SVC_ELEMS];
tSDP_PROTOCOL_ELEM proto_elem_list[BTA_HL_NUM_PROTO_ELEMS];
tSDP_PROTO_LIST_ELEM add_proto_list;
tBTA_HL_SUP_FEATURE_LIST_ELEM sup_feature_list;
uint16_t browse_list[] = {UUID_SERVCLASS_PUBLIC_BROWSE_GROUP};
uint8_t i, j, cnt, mdep_id, mdep_role;
uint8_t data_exchange_spec = BTA_HL_SDP_IEEE_11073_20601;
uint8_t mcap_sup_proc = BTA_HL_MCAP_SUP_PROC_MASK;
uint16_t profile_uuid = UUID_SERVCLASS_HDP_PROFILE;
uint16_t version = BTA_HL_VERSION;
uint8_t num_services = 1;
tBTA_HL_APP_CB* p_cb = BTA_HL_GET_APP_CB_PTR(app_idx);
bool result = true;
tBTA_HL_STATUS status = BTA_HL_STATUS_OK;
#if (BTA_HL_DEBUG == TRUE)
APPL_TRACE_DEBUG("bta_hl_sdp_register app_idx=%d", app_idx);
#endif
if ((p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SOURCE) &&
(!p_cb->sup_feature.advertize_source_sdp)) {
return BTA_HL_STATUS_OK;
}
p_cb->sdp_handle = SDP_CreateRecord();
if (p_cb->sdp_handle == 0) {
return BTA_HL_STATUS_SDP_NO_RESOURCE;
}
num_services = 1;
svc_class_id_list[0] = UUID_SERVCLASS_HDP_SOURCE;
if (p_cb->sup_feature.app_role_mask == BTA_HL_MDEP_ROLE_MASK_SINK) {
svc_class_id_list[0] = UUID_SERVCLASS_HDP_SINK;
} else {
if (p_cb->sup_feature.app_role_mask != BTA_HL_MDEP_ROLE_MASK_SOURCE) {
/* dual role */
num_services = 2;
svc_class_id_list[1] = UUID_SERVCLASS_HDP_SINK;
}
}
result &= SDP_AddServiceClassIdList(p_cb->sdp_handle, num_services,
svc_class_id_list);
if (result) {
/* add the protocol element sequence */
proto_elem_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
proto_elem_list[0].num_params = 1;
proto_elem_list[0].params[0] = p_cb->ctrl_psm;
proto_elem_list[1].protocol_uuid = UUID_PROTOCOL_MCAP_CTRL;
proto_elem_list[1].num_params = 1;
proto_elem_list[1].params[0] = version;
result &= SDP_AddProtocolList(p_cb->sdp_handle, BTA_HL_NUM_PROTO_ELEMS,
proto_elem_list);
result &=
SDP_AddProfileDescriptorList(p_cb->sdp_handle, profile_uuid, version);
}
if (result) {
add_proto_list.num_elems = BTA_HL_NUM_ADD_PROTO_ELEMS;
add_proto_list.list_elem[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
add_proto_list.list_elem[0].num_params = 1;
add_proto_list.list_elem[0].params[0] = p_cb->data_psm;
add_proto_list.list_elem[1].protocol_uuid = UUID_PROTOCOL_MCAP_DATA;
add_proto_list.list_elem[1].num_params = 0;
result &=
SDP_AddAdditionProtoLists(p_cb->sdp_handle, BTA_HL_NUM_ADD_PROTO_LISTS,
(tSDP_PROTO_LIST_ELEM*)&add_proto_list);
}
if (result) {
if (p_cb->srv_name[0]) {
result &= SDP_AddAttribute(
p_cb->sdp_handle, (uint16_t)ATTR_ID_SERVICE_NAME,
(uint8_t)TEXT_STR_DESC_TYPE, (uint32_t)(strlen(p_cb->srv_name) + 1),
(uint8_t*)p_cb->srv_name);
} /* end of setting optional service name */
}
if (result) {
if (p_cb->srv_desp[0]) {
result &= SDP_AddAttribute(
p_cb->sdp_handle, (uint16_t)ATTR_ID_SERVICE_DESCRIPTION,
(uint8_t)TEXT_STR_DESC_TYPE, (uint32_t)(strlen(p_cb->srv_desp) + 1),
(uint8_t*)p_cb->srv_desp);
} /* end of setting optional service description */
}
if (result) {
if (p_cb->provider_name[0]) {
result &=
SDP_AddAttribute(p_cb->sdp_handle, (uint16_t)ATTR_ID_PROVIDER_NAME,
(uint8_t)TEXT_STR_DESC_TYPE,
(uint32_t)(strlen(p_cb->provider_name) + 1),
(uint8_t*)p_cb->provider_name);
} /* end of setting optional provider name */
}
/* add supported feture list */
if (result) {
cnt = 0;
for (i = 1; i <= p_cb->sup_feature.num_of_mdeps; i++) {
mdep_id = (uint8_t)p_cb->sup_feature.mdep[i].mdep_id;
mdep_role = (uint8_t)p_cb->sup_feature.mdep[i].mdep_cfg.mdep_role;
for (j = 0; j < p_cb->sup_feature.mdep[i].mdep_cfg.num_of_mdep_data_types;
j++) {
sup_feature_list.list_elem[cnt].mdep_id = mdep_id;
sup_feature_list.list_elem[cnt].mdep_role = mdep_role;
sup_feature_list.list_elem[cnt].data_type =
p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].data_type;
if (p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp[0] != '\0') {
sup_feature_list.list_elem[cnt].p_mdep_desp =
p_cb->sup_feature.mdep[i].mdep_cfg.data_cfg[j].desp;
} else {
sup_feature_list.list_elem[cnt].p_mdep_desp = NULL;
}
cnt++;
if (cnt == BTA_HL_NUM_SUP_FEATURE_ELEMS) {
result = false;
break;
}
}
}
sup_feature_list.num_elems = cnt;
result &= bta_hl_add_sup_feature_list(p_cb->sdp_handle,
sup_feature_list.num_elems,
sup_feature_list.list_elem);
}
if (result) {
result &= SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_DATA_EXCH_SPEC,
UINT_DESC_TYPE, (uint32_t)1,
(uint8_t*)&data_exchange_spec);
}
if (result) {
result &=
SDP_AddAttribute(p_cb->sdp_handle, ATTR_ID_HDP_MCAP_SUP_PROC,
UINT_DESC_TYPE, (uint32_t)1, (uint8_t*)&mcap_sup_proc);
}
if (result) {
result &= SDP_AddUuidSequence(p_cb->sdp_handle, ATTR_ID_BROWSE_GROUP_LIST,
1, browse_list);
}
if (result) {
for (i = 0; i < num_services; i++) {
bta_sys_add_uuid(svc_class_id_list[i]);
APPL_TRACE_DEBUG("dbg bta_sys_add_uuid i=%d uuid=0x%x", i,
svc_class_id_list[i]); // todo
}
} else {
if (p_cb->sdp_handle) {
SDP_DeleteRecord(p_cb->sdp_handle);
p_cb->sdp_handle = 0;
}
status = BTA_HL_STATUS_SDP_FAIL;
}
#if (BTA_HL_DEBUG == TRUE)
APPL_TRACE_DEBUG("bta_hl_sdp_register status=%s", bta_hl_status_code(status));
#endif
return status;
}
/*******************************************************************************
*
* Function bta_hl_find_sink_or_src_srv_class_in_db
*
* Description This function queries an SDP database for either a HDP Sink
* or Source service class ID.
* If the p_start_rec pointer is NULL, it looks from the
* beginning of the database, else it continues from the next
* record after p_start_rec.
*
* Returns Pointer to record containing service class, or NULL
*
******************************************************************************/
tSDP_DISC_REC* bta_hl_find_sink_or_src_srv_class_in_db(
const tSDP_DISCOVERY_DB* p_db, const tSDP_DISC_REC* p_start_rec) {
tSDP_DISC_REC* p_rec;
tSDP_DISC_ATTR *p_attr, *p_sattr;
/* Must have a valid database */
if (p_db == NULL) return (NULL);
if (!p_start_rec) {
p_rec = p_db->p_first_rec;
} else {
p_rec = p_start_rec->p_next_rec;
}
while (p_rec) {
p_attr = p_rec->p_first_attr;
while (p_attr) {
if ((p_attr->attr_id == ATTR_ID_SERVICE_CLASS_ID_LIST) &&
(SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) ==
DATA_ELE_SEQ_DESC_TYPE)) {
for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr;
p_sattr = p_sattr->p_next_attr) {
if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE) &&
(SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) &&
((p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SINK) ||
(p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SOURCE))) {
return (p_rec);
}
}
break;
}
p_attr = p_attr->p_next_attr;
}
p_rec = p_rec->p_next_rec;
}
/* If here, no matching UUID found */
#if (BTA_HL_DEBUG == TRUE)
APPL_TRACE_DEBUG("bta_hl_find_sink_or_src_srv_class_in_db failed");
#endif
return (NULL);
}
#endif /* HL_INCLUDED */