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/******************************************************************************
*
* Copyright (C) 1999-2012 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.
*
******************************************************************************/
/******************************************************************************
*
* this file contains SDP interface functions
*
******************************************************************************/
//#include <stdlib.h>
#include <string.h>
//#include <stdio.h>
#include "common/bt_target.h"
//#include "bt_utils.h"
#include "stack/l2cdefs.h"
#include "stack/hcidefs.h"
#include "stack/hcimsgs.h"
#include "common/bt_defs.h"
#include "stack/sdp_api.h"
#include "sdpint.h"
#include "stack/btu.h"
#if (SDP_INCLUDED == TRUE)
/**********************************************************************
** C L I E N T F U N C T I O N P R O T O T Y P E S *
***********************************************************************/
/*******************************************************************************
**
** Function SDP_InitDiscoveryDb
**
** Description This function is called to initialize a discovery database.
**
** Parameters: p_db - (input) address of an area of memory where the
** discovery database is managed.
** len - (input) size (in bytes) of the memory
** NOTE: This must be larger than sizeof(tSDP_DISCOVERY_DB)
** num_uuid - (input) number of UUID filters applied
** p_uuid_list - (input) list of UUID filters
** num_attr - (input) number of attribute filters applied
** p_attr_list - (input) list of attribute filters
**
**
** Returns BOOLEAN
** TRUE if successful
** FALSE if one or more parameters are bad
**
*******************************************************************************/
BOOLEAN SDP_InitDiscoveryDb (tSDP_DISCOVERY_DB *p_db, UINT32 len, UINT16 num_uuid,
tSDP_UUID *p_uuid_list, UINT16 num_attr, UINT16 *p_attr_list)
{
#if SDP_CLIENT_ENABLED == TRUE
UINT16 xx;
/* verify the parameters */
if (p_db == NULL || (sizeof (tSDP_DISCOVERY_DB) > len) ||
num_attr > SDP_MAX_ATTR_FILTERS || num_uuid > SDP_MAX_UUID_FILTERS) {
SDP_TRACE_ERROR("SDP_InitDiscoveryDb Illegal param: p_db 0x%x, len %d, num_uuid %d, num_attr %d",
(UINT32)p_db, len, num_uuid, num_attr);
return (FALSE);
}
memset (p_db, 0, (size_t)len);
p_db->mem_size = len - sizeof (tSDP_DISCOVERY_DB);
p_db->mem_free = p_db->mem_size;
p_db->p_first_rec = NULL;
p_db->p_free_mem = (UINT8 *)(p_db + 1);
for (xx = 0; xx < num_uuid; xx++) {
p_db->uuid_filters[xx] = *p_uuid_list++;
}
p_db->num_uuid_filters = num_uuid;
for (xx = 0; xx < num_attr; xx++) {
p_db->attr_filters[xx] = *p_attr_list++;
}
/* sort attributes */
sdpu_sort_attr_list( num_attr, p_db );
p_db->num_attr_filters = num_attr;
#endif
return (TRUE);
}
/*******************************************************************************
**
** Function SDP_CancelServiceSearch
**
** Description This function cancels an active query to an SDP server.
**
** Returns TRUE if discovery cancelled, FALSE if a matching activity is not found.
**
*******************************************************************************/
BOOLEAN SDP_CancelServiceSearch (tSDP_DISCOVERY_DB *p_db)
{
#if SDP_CLIENT_ENABLED == TRUE
tCONN_CB *p_ccb = sdpu_find_ccb_by_db (p_db);
if (!p_ccb) {
return (FALSE);
}
sdp_disconnect (p_ccb, SDP_CANCEL);
p_ccb->disc_state = SDP_DISC_WAIT_CANCEL;
#endif
return (TRUE);
}
/*******************************************************************************
**
** Function SDP_ServiceSearchRequest
**
** Description This function queries an SDP server for information.
**
** Returns TRUE if discovery started, FALSE if failed.
**
*******************************************************************************/
BOOLEAN SDP_ServiceSearchRequest (UINT8 *p_bd_addr, tSDP_DISCOVERY_DB *p_db,
tSDP_DISC_CMPL_CB *p_cb)
{
#if SDP_CLIENT_ENABLED == TRUE
tCONN_CB *p_ccb;
/* Specific BD address */
p_ccb = sdp_conn_originate (p_bd_addr);
if (!p_ccb) {
return (FALSE);
}
p_ccb->disc_state = SDP_DISC_WAIT_CONN;
p_ccb->p_db = p_db;
p_ccb->p_cb = p_cb;
return (TRUE);
#else
return (FALSE);
#endif
}
/*******************************************************************************
**
** Function SDP_ServiceSearchAttributeRequest
**
** Description This function queries an SDP server for information.
**
** The difference between this API function and the function
** SDP_ServiceSearchRequest2 is that this one does a
** combined ServiceSearchAttributeRequest SDP function.
**
** Returns TRUE if discovery started, FALSE if failed.
**
*******************************************************************************/
BOOLEAN SDP_ServiceSearchAttributeRequest (UINT8 *p_bd_addr, tSDP_DISCOVERY_DB *p_db,
tSDP_DISC_CMPL_CB *p_cb)
{
#if SDP_CLIENT_ENABLED == TRUE
tCONN_CB *p_ccb;
/* Specific BD address */
p_ccb = sdp_conn_originate (p_bd_addr);
if (!p_ccb) {
return (FALSE);
}
p_ccb->disc_state = SDP_DISC_WAIT_CONN;
p_ccb->p_db = p_db;
p_ccb->p_cb = p_cb;
p_ccb->is_attr_search = TRUE;
return (TRUE);
#else
return (FALSE);
#endif
}
/*******************************************************************************
**
** Function SDP_ServiceSearchAttributeRequest2
**
** Description This function queries an SDP server for information.
**
** The difference between this API function and the function
** SDP_ServiceSearchRequest is that this one does a
** combined ServiceSearchAttributeRequest SDP function with the
** user data piggyback
**
** Returns TRUE if discovery started, FALSE if failed.
**
*******************************************************************************/
BOOLEAN SDP_ServiceSearchAttributeRequest2 (UINT8 *p_bd_addr, tSDP_DISCOVERY_DB *p_db,
tSDP_DISC_CMPL_CB2 *p_cb2, void *user_data)
{
#if SDP_CLIENT_ENABLED == TRUE
tCONN_CB *p_ccb;
/* Specific BD address */
p_ccb = sdp_conn_originate (p_bd_addr);
if (!p_ccb) {
return (FALSE);
}
p_ccb->disc_state = SDP_DISC_WAIT_CONN;
p_ccb->p_db = p_db;
p_ccb->p_cb2 = p_cb2;
p_ccb->is_attr_search = TRUE;
p_ccb->user_data = user_data;
return (TRUE);
#else
return (FALSE);
#endif
}
#if SDP_CLIENT_ENABLED == TRUE
void SDP_SetIdleTimeout (BD_ADDR addr, UINT16 timeout)
{
UNUSED(addr);
UNUSED(timeout);
}
#endif
/*******************************************************************************
**
** Function SDP_FindAttributeInDb
**
** Description This function queries an SDP database for a specific attribute.
** 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 matching record, or NULL
**
*******************************************************************************/
tSDP_DISC_REC *SDP_FindAttributeInDb (tSDP_DISCOVERY_DB *p_db, UINT16 attr_id,
tSDP_DISC_REC *p_start_rec)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_REC *p_rec;
tSDP_DISC_ATTR *p_attr;
/* 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) {
return (p_rec);
}
p_attr = p_attr->p_next_attr;
}
p_rec = p_rec->p_next_rec;
}
#endif
/* If here, no matching attribute found */
return (NULL);
}
/*******************************************************************************
**
** Function SDP_FindAttributeInRec
**
** Description This function searches an SDP discovery record for a specific
** attribute.
**
** Returns Pointer to matching attribute entry, or NULL
**
*******************************************************************************/
tSDP_DISC_ATTR *SDP_FindAttributeInRec (tSDP_DISC_REC *p_rec, UINT16 attr_id)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_ATTR *p_attr;
p_attr = p_rec->p_first_attr;
while (p_attr) {
if (p_attr->attr_id == attr_id) {
return (p_attr);
}
p_attr = p_attr->p_next_attr;
}
#endif
/* If here, no matching attribute found */
return (NULL);
}
/*******************************************************************************
**
** Function SDP_FindServiceUUIDInRec
**
** Description This function is called to read the service UUID within a record
** if there is any.
**
** Parameters: p_rec - pointer to a SDP record.
** p_uuid - output parameter to save the UUID found.
**
** Returns TRUE if found, otherwise FALSE.
**
*******************************************************************************/
BOOLEAN SDP_FindServiceUUIDInRec(tSDP_DISC_REC *p_rec, tBT_UUID *p_uuid)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_ATTR *p_attr, *p_sattr, *p_extra_sattr;
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) {
if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == LEN_UUID_16) {
p_uuid->len = LEN_UUID_16;
p_uuid->uu.uuid16 = p_sattr->attr_value.v.u16;
} else if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == LEN_UUID_128) {
p_uuid->len = LEN_UUID_128;
for (uint8_t i = 0; i != LEN_UUID_128; ++i) {
p_uuid->uu.uuid128[i] = p_sattr->attr_value.v.array[LEN_UUID_128 - i - 1];
}
} else if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == LEN_UUID_32) {
p_uuid->len = LEN_UUID_32;
p_uuid->uu.uuid32 = p_sattr->attr_value.v.u32;
}
return (TRUE);
}
/* Checking for Toyota G Block Car Kit:
** This car kit puts an extra data element sequence
** where the UUID is suppose to be!!!
*/
else {
if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) {
/* Look through data element sequence until no more UUIDs */
for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) {
/* Increment past this to see if the next attribute is UUID */
if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == UUID_DESC_TYPE)
/* only support 16 bits UUID for now */
&& (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2)) {
p_uuid->len = 2;
p_uuid->uu.uuid16 = p_extra_sattr->attr_value.v.u16;
return (TRUE);
}
}
}
}
}
break;
} else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) {
if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE)
/* only support 16 bits UUID for now */
&& (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 2)) {
p_uuid->len = 2;
p_uuid->uu.uuid16 = p_attr->attr_value.v.u16;
return (TRUE);
}
}
p_attr = p_attr->p_next_attr;
}
return FALSE;
#else
return FALSE;
#endif
}
/*******************************************************************************
**
** Function SDP_FindServiceUUIDInRec_128bit
**
** Description This function is called to read the 128-bit service UUID within a record
** if there is any.
**
** Parameters: p_rec - pointer to a SDP record.
** p_uuid - output parameter to save the UUID found.
**
** Returns TRUE if found, otherwise FALSE.
**
*******************************************************************************/
BOOLEAN SDP_FindServiceUUIDInRec_128bit(tSDP_DISC_REC *p_rec, tBT_UUID *p_uuid)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_ATTR *p_attr, *p_sattr;
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) {
/* only support 128 bits UUID for now */
if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 16) {
p_uuid->len = LEN_UUID_128;
for (uint8_t i = 0; i != LEN_UUID_128; ++i) {
p_uuid->uu.uuid128[i] = p_sattr->attr_value.v.array[LEN_UUID_128 - i - 1];
}
}
return (TRUE);
}
}
break;
} else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) {
if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE)
/* only support 128 bits UUID for now */
&& (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 16)) {
p_uuid->len = LEN_UUID_128;
for (uint8_t i = 0; i != LEN_UUID_128; ++i) {
p_uuid->uu.uuid128[i] = p_attr->attr_value.v.array[LEN_UUID_128 - i - 1];
}
return (TRUE);
}
}
p_attr = p_attr->p_next_attr;
}
return FALSE;
#else
return FALSE;
#endif
}
/*******************************************************************************
**
** Function SDP_FindServiceInDb
**
** Description This function queries an SDP database for a specific service.
** 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 *SDP_FindServiceInDb (tSDP_DISCOVERY_DB *p_db, UINT16 service_uuid, tSDP_DISC_REC *p_start_rec)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_REC *p_rec;
tSDP_DISC_ATTR *p_attr, *p_sattr, *p_extra_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) ) {
SDP_TRACE_DEBUG("SDP_FindServiceInDb - p_sattr value = 0x%x serviceuuid = 0x%x\r\n",
p_sattr->attr_value.v.u16, service_uuid);
if (service_uuid == UUID_SERVCLASS_HDP_PROFILE) {
if ( (p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SOURCE) || ( p_sattr->attr_value.v.u16 == UUID_SERVCLASS_HDP_SINK)) {
SDP_TRACE_DEBUG("SDP_FindServiceInDb found HDP source or sink\n" );
return (p_rec);
}
}
}
if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UUID_DESC_TYPE && (service_uuid == 0
|| (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2
&& p_sattr->attr_value.v.u16 == service_uuid)))
/* for a specific uuid, or any one */
{
return (p_rec);
}
/* Checking for Toyota G Block Car Kit:
** This car kit puts an extra data element sequence
** where the UUID is suppose to be!!!
*/
else {
if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) {
/* Look through data element sequence until no more UUIDs */
for (p_extra_sattr = p_sattr->attr_value.v.p_sub_attr; p_extra_sattr; p_extra_sattr = p_extra_sattr->p_next_attr) {
/* Increment past this to see if the next attribute is UUID */
if ((SDP_DISC_ATTR_TYPE(p_extra_sattr->attr_len_type) == UUID_DESC_TYPE)
&& (SDP_DISC_ATTR_LEN(p_extra_sattr->attr_len_type) == 2)
/* for a specific uuid, or any one */
&& ((p_extra_sattr->attr_value.v.u16 == service_uuid) || (service_uuid == 0))) {
return (p_rec);
}
}
}
}
}
break;
} else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) {
if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE)
&& (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 2)
/* find a specific UUID or anyone */
&& ((p_attr->attr_value.v.u16 == service_uuid) || service_uuid == 0)) {
return (p_rec);
}
}
p_attr = p_attr->p_next_attr;
}
p_rec = p_rec->p_next_rec;
}
#endif
/* If here, no matching UUID found */
return (NULL);
}
/*******************************************************************************
**
** Function SDP_FindServiceInDb_128bit
**
** Description This function queries an SDP database for a specific service.
** 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.
**
** This function is kept separate from SDP_FindServiceInDb since
** that API is expected to return only 16-bit UUIDs
**
** Returns Pointer to record containing service class, or NULL
**
*******************************************************************************/
tSDP_DISC_REC *SDP_FindServiceInDb_128bit(tSDP_DISCOVERY_DB *p_db, tSDP_DISC_REC *p_start_rec)
{
#if SDP_CLIENT_ENABLED == TRUE
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) == 16)) {
return (p_rec);
}
}
break;
} else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) {
if ((SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE)
&& (SDP_DISC_ATTR_LEN(p_attr->attr_len_type) == 16)) {
return (p_rec);
}
}
p_attr = p_attr->p_next_attr;
}
p_rec = p_rec->p_next_rec;
}
#endif
/* If here, no matching UUID found */
return (NULL);
}
/*******************************************************************************
**
** Function SDP_FindServiceUUIDInDb
**
** Description This function queries an SDP database for a specific service.
** 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.
**
** NOTE the only difference between this function and the previous function
** "SDP_FindServiceInDb()" is that this function takes a tBT_UUID input
**
** Returns Pointer to record containing service class, or NULL
**
*******************************************************************************/
tSDP_DISC_REC *SDP_FindServiceUUIDInDb (tSDP_DISCOVERY_DB *p_db, tBT_UUID *p_uuid, tSDP_DISC_REC *p_start_rec)
{
#if SDP_CLIENT_ENABLED == TRUE
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) {
if (sdpu_compare_uuid_with_attr (p_uuid, p_sattr)) {
return (p_rec);
}
}
}
break;
} else if (p_attr->attr_id == ATTR_ID_SERVICE_ID) {
if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == UUID_DESC_TYPE ) {
if (sdpu_compare_uuid_with_attr (p_uuid, p_attr)) {
return (p_rec);
}
}
}
p_attr = p_attr->p_next_attr;
}
p_rec = p_rec->p_next_rec;
}
#endif /* CLIENT_ENABLED == TRUE */
/* If here, no matching UUID found */
return (NULL);
}
#if SDP_CLIENT_ENABLED == TRUE
/*******************************************************************************
**
** Function sdp_fill_proto_elem
**
** Description This function retrieves the protocol element.
**
** Returns TRUE if found, FALSE if not
** If found, the passed protocol list element is filled in.
**
*******************************************************************************/
static BOOLEAN sdp_fill_proto_elem( tSDP_DISC_ATTR *p_attr, UINT16 layer_uuid,
tSDP_PROTOCOL_ELEM *p_elem)
{
tSDP_DISC_ATTR *p_sattr;
/* Walk through the protocol descriptor list */
for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; p_attr = p_attr->p_next_attr) {
/* Safety check - each entry should itself be a sequence */
if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) {
return (FALSE);
}
/* Now, see if the entry contains the layer we are interested in */
for (p_sattr = p_attr->attr_value.v.p_sub_attr; p_sattr; p_sattr = p_sattr->p_next_attr) {
/* SDP_TRACE_DEBUG ("SDP - p_sattr 0x%x, layer_uuid:0x%x, u16:0x%x####",
p_sattr, layer_uuid, p_sattr->attr_value.v.u16); */
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 == layer_uuid)) {
/* Bingo. Now fill in the passed element */
p_elem->protocol_uuid = layer_uuid;
p_elem->num_params = 0;
/* Store the parameters, if any */
for (p_sattr = p_sattr->p_next_attr; p_sattr; p_sattr = p_sattr->p_next_attr) {
if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) != UINT_DESC_TYPE) {
break;
}
if (SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2) {
p_elem->params[p_elem->num_params++] = p_sattr->attr_value.v.u16;
} else {
p_elem->params[p_elem->num_params++] = p_sattr->attr_value.v.u8;
}
if (p_elem->num_params >= SDP_MAX_PROTOCOL_PARAMS) {
break;
}
}
return (TRUE);
}
}
}
return (FALSE);
}
#endif /* CLIENT_ENABLED == TRUE */
/*******************************************************************************
**
** Function SDP_FindProtocolListElemInRec
**
** Description This function looks at a specific discovery record for a protocol
** list element.
**
** Returns TRUE if found, FALSE if not
** If found, the passed protocol list element is filled in.
**
*******************************************************************************/
BOOLEAN SDP_FindProtocolListElemInRec (tSDP_DISC_REC *p_rec, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_ATTR *p_attr;
p_attr = p_rec->p_first_attr;
while (p_attr) {
/* Find the protocol descriptor list */
if ((p_attr->attr_id == ATTR_ID_PROTOCOL_DESC_LIST)
&& (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) {
return sdp_fill_proto_elem(p_attr, layer_uuid, p_elem);
}
p_attr = p_attr->p_next_attr;
}
#endif
/* If here, no match found */
return (FALSE);
}
/*******************************************************************************
**
** Function SDP_FindProtocolListElem
**
** Description This function looks at the protocol list for a specific protocol
** list element.
**
** Returns TRUE if found, FALSE if not
** If found, the passed protocol list element is filled in.
**
*******************************************************************************/
BOOLEAN SDP_FindProtocolListElem (tSDP_DISC_ATTR *p_protocol_list, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem)
{
#if SDP_CLIENT_ENABLED == TRUE
/* don't check the input protocol descriptor list id, this api may be use in additional protocol descriptor list */
if ((SDP_DISC_ATTR_TYPE(p_protocol_list->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) {
return sdp_fill_proto_elem(p_protocol_list, layer_uuid, p_elem);
}
#endif
/* If here, no match found */
return (FALSE);
}
/*******************************************************************************
**
** Function SDP_FindAddProtoListsElemInRec
**
** Description This function looks at a specific discovery record for a protocol
** list element.
**
** Returns TRUE if found, FALSE if not
** If found, the passed protocol list element is filled in.
**
*******************************************************************************/
BOOLEAN SDP_FindAddProtoListsElemInRec (tSDP_DISC_REC *p_rec, UINT16 layer_uuid, tSDP_PROTOCOL_ELEM *p_elem)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_ATTR *p_attr, *p_sattr;
BOOLEAN ret = FALSE;
p_attr = p_rec->p_first_attr;
while (p_attr) {
/* Find the additional protocol descriptor list attribute */
if ((p_attr->attr_id == ATTR_ID_ADDITION_PROTO_DESC_LISTS)
&& (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) {
/* Safety check - each entry should itself be a sequence */
if (SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE) {
if ( (ret = sdp_fill_proto_elem(p_sattr, layer_uuid, p_elem)) == TRUE) {
break;
}
}
}
return ret;
}
p_attr = p_attr->p_next_attr;
}
#endif
/* If here, no match found */
return (FALSE);
}
/*******************************************************************************
**
** Function SDP_FindProfileVersionInRec
**
** Description This function looks at a specific discovery record for the
** Profile list descriptor, and pulls out the version number.
** The version number consists of an 8-bit major version and
** an 8-bit minor version.
**
** Returns TRUE if found, FALSE if not
** If found, the major and minor version numbers that were passed
** in are filled in.
**
*******************************************************************************/
BOOLEAN SDP_FindProfileVersionInRec (tSDP_DISC_REC *p_rec, UINT16 profile_uuid, UINT16 *p_version)
{
#if SDP_CLIENT_ENABLED == TRUE
tSDP_DISC_ATTR *p_attr, *p_sattr;
p_attr = p_rec->p_first_attr;
while (p_attr) {
/* Find the profile descriptor list */
if ((p_attr->attr_id == ATTR_ID_BT_PROFILE_DESC_LIST)
&& (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) == DATA_ELE_SEQ_DESC_TYPE)) {
/* Walk through the protocol descriptor list */
for (p_attr = p_attr->attr_value.v.p_sub_attr; p_attr; p_attr = p_attr->p_next_attr) {
/* Safety check - each entry should itself be a sequence */
if (SDP_DISC_ATTR_TYPE(p_attr->attr_len_type) != DATA_ELE_SEQ_DESC_TYPE) {
return (FALSE);
}
/* Now, see if the entry contains the profile UUID we are interested in */
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) /* <- This is bytes, not size code! */
&& (p_sattr->attr_value.v.u16 == profile_uuid)) {
/* Now fill in the major and minor numbers */
/* if the attribute matches the description for version (type UINT, size 2 bytes) */
p_sattr = p_sattr->p_next_attr;
if ((SDP_DISC_ATTR_TYPE(p_sattr->attr_len_type) == UINT_DESC_TYPE) &&
(SDP_DISC_ATTR_LEN(p_sattr->attr_len_type) == 2)) {
/* The high order 8 bits is the major number, low order is the minor number (big endian) */
*p_version = p_sattr->attr_value.v.u16;
return (TRUE);
} else {
return (FALSE); /* The type and/or size was not valid for the profile list version */
}
}
}
}
return (FALSE);
}
p_attr = p_attr->p_next_attr;
}
#endif /* CLIENT_ENABLED == TRUE */
/* If here, no match found */
return (FALSE);
}
/*******************************************************************************
** Device Identification (DI) Client Functions
*******************************************************************************/
/*******************************************************************************
**
** Function SDP_DiDiscover
**
** Description This function queries a remote device for DI information.
**
** Returns SDP_SUCCESS if query started successfully, else error
**
*******************************************************************************/
UINT16 SDP_DiDiscover( BD_ADDR remote_device, tSDP_DISCOVERY_DB *p_db,
UINT32 len, tSDP_DISC_CMPL_CB *p_cb )
{
#if SDP_CLIENT_ENABLED == TRUE
UINT16 result = SDP_DI_DISC_FAILED;
UINT16 num_uuids = 1;
UINT16 di_uuid = UUID_SERVCLASS_PNP_INFORMATION;
/* build uuid for db init */
tSDP_UUID init_uuid;
init_uuid.len = 2;
init_uuid.uu.uuid16 = di_uuid;
if ( SDP_InitDiscoveryDb(p_db, len, num_uuids, &init_uuid, 0, NULL) ) {
if ( SDP_ServiceSearchRequest(remote_device, p_db, p_cb) ) {
result = SDP_SUCCESS;
}
}
return result;
#else
return SDP_DI_DISC_FAILED;
#endif
}
/*******************************************************************************
**
** Function SDP_GetNumDiRecords
**
** Description Searches specified database for DI records
**
** Returns number of DI records found
**
*******************************************************************************/
UINT8 SDP_GetNumDiRecords( tSDP_DISCOVERY_DB *p_db )
{
#if SDP_CLIENT_ENABLED == TRUE
UINT8 num_records = 0;
tSDP_DISC_REC *p_curr_record = NULL;
do {
p_curr_record = SDP_FindServiceInDb( p_db, UUID_SERVCLASS_PNP_INFORMATION,
p_curr_record );
if ( p_curr_record ) {
num_records++;
}
} while ( p_curr_record );
return num_records;
#else
return 0;
#endif
}
#if SDP_CLIENT_ENABLED == TRUE
/*******************************************************************************
**
** Function SDP_AttrStringCopy
**
** Description This function copy given attribute to specified buffer as a string
**
** Returns none
**
*******************************************************************************/
static void SDP_AttrStringCopy(char *dst, tSDP_DISC_ATTR *p_attr, UINT16 dst_size)
{
if ( dst == NULL ) {
return;
}
if ( p_attr ) {
UINT16 len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
if ( len > dst_size - 1 ) {
len = dst_size - 1;
}
memcpy(dst, (char *)p_attr->attr_value.v.array, len);
dst[len] = '\0';
} else {
dst[0] = '\0';
}
}
#endif
/*******************************************************************************
**
** Function SDP_GetDiRecord
**
** Description This function retrieves a remote device's DI record from
** the specified database.
**
** Returns SDP_SUCCESS if record retrieved, else error
**
*******************************************************************************/
UINT16 SDP_GetDiRecord( UINT8 get_record_index, tSDP_DI_GET_RECORD *p_device_info,
tSDP_DISCOVERY_DB *p_db )
{
#if SDP_CLIENT_ENABLED == TRUE
UINT16 result = SDP_NO_DI_RECORD_FOUND;
UINT8 curr_record_index = 1;
tSDP_DISC_REC *p_curr_record = NULL;
/* find the requested SDP record in the discovery database */
do {
p_curr_record = SDP_FindServiceInDb( p_db, UUID_SERVCLASS_PNP_INFORMATION,
p_curr_record );
if ( p_curr_record ) {
if ( curr_record_index++ == get_record_index ) {
result = SDP_SUCCESS;
break;
}
}
} while ( p_curr_record );
if ( result == SDP_SUCCESS ) {
/* copy the information from the SDP record to the DI record */
tSDP_DISC_ATTR *p_curr_attr = NULL;
/* ClientExecutableURL is optional */
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_CLIENT_EXE_URL );
SDP_AttrStringCopy( p_device_info->rec.client_executable_url, p_curr_attr,
SDP_MAX_ATTR_LEN );
/* Service Description is optional */
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_SERVICE_DESCRIPTION );
SDP_AttrStringCopy( p_device_info->rec.service_description, p_curr_attr, SDP_MAX_ATTR_LEN );
/* DocumentationURL is optional */
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_DOCUMENTATION_URL );
SDP_AttrStringCopy( p_device_info->rec.documentation_url, p_curr_attr, SDP_MAX_ATTR_LEN );
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_SPECIFICATION_ID );
if ( p_curr_attr ) {
p_device_info->spec_id = p_curr_attr->attr_value.v.u16;
} else {
result = SDP_ERR_ATTR_NOT_PRESENT;
}
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_VENDOR_ID );
if ( p_curr_attr ) {
p_device_info->rec.vendor = p_curr_attr->attr_value.v.u16;
} else {
result = SDP_ERR_ATTR_NOT_PRESENT;
}
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_VENDOR_ID_SOURCE );
if ( p_curr_attr ) {
p_device_info->rec.vendor_id_source = p_curr_attr->attr_value.v.u16;
} else {
result = SDP_ERR_ATTR_NOT_PRESENT;
}
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_PRODUCT_ID );
if ( p_curr_attr ) {
p_device_info->rec.product = p_curr_attr->attr_value.v.u16;
} else {
result = SDP_ERR_ATTR_NOT_PRESENT;
}
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_PRODUCT_VERSION );
if ( p_curr_attr ) {
p_device_info->rec.version = p_curr_attr->attr_value.v.u16;
} else {
result = SDP_ERR_ATTR_NOT_PRESENT;
}
p_curr_attr = SDP_FindAttributeInRec( p_curr_record, ATTR_ID_PRIMARY_RECORD );
if ( p_curr_attr ) {
p_device_info->rec.primary_record = (BOOLEAN)p_curr_attr->attr_value.v.u8;
} else {
result = SDP_ERR_ATTR_NOT_PRESENT;
}
}
return result;
#else /* SDP_CLIENT_ENABLED is FALSE */
return SDP_NO_DI_RECORD_FOUND;
#endif
}
/*******************************************************************************
** Device Identification (DI) Server Functions
*******************************************************************************/
/*******************************************************************************
**
** Function SDP_SetLocalDiRecord
**
** Description This function adds a DI record to the local SDP database.
**
**
**
** Returns Returns SDP_SUCCESS if record added successfully, else error
**
*******************************************************************************/
UINT16 SDP_SetLocalDiRecord( tSDP_DI_RECORD *p_device_info, UINT32 *p_handle )
{
#if SDP_SERVER_ENABLED == TRUE
UINT16 result = SDP_SUCCESS;
UINT32 handle;
UINT16 di_uuid = UUID_SERVCLASS_PNP_INFORMATION;
UINT16 di_specid = BLUETOOTH_DI_SPECIFICATION;
UINT8 temp_u16[2];
UINT8 *p_temp;
UINT8 u8;
*p_handle = 0;
if ( p_device_info == NULL ) {
return SDP_ILLEGAL_PARAMETER;
}
/* if record is to be primary record, get handle to replace old primary */
if ( p_device_info->primary_record == TRUE && sdp_cb.server_db.di_primary_handle ) {
handle = sdp_cb.server_db.di_primary_handle;
} else {
if ( (handle = SDP_CreateRecord()) == 0 ) {
return SDP_NO_RESOURCES;
}
}
*p_handle = handle;
/* build the SDP entry */
/* Add the UUID to the Service Class ID List */
if ((SDP_AddServiceClassIdList(handle, 1, &di_uuid)) == FALSE) {
result = SDP_DI_REG_FAILED;
}
/* mandatory */
if ( result == SDP_SUCCESS) {
p_temp = temp_u16;
UINT16_TO_BE_STREAM(p_temp, di_specid);
if ( !(SDP_AddAttribute(handle, ATTR_ID_SPECIFICATION_ID,
UINT_DESC_TYPE, sizeof(di_specid),
temp_u16)) ) {
result = SDP_DI_REG_FAILED;
}
}
/* optional - if string is null, do not add attribute */
if ( result == SDP_SUCCESS ) {
if ( p_device_info->client_executable_url[0] != '\0' ) {
if ( !((strlen(p_device_info->client_executable_url) + 1 <= SDP_MAX_ATTR_LEN) &&
SDP_AddAttribute(handle, ATTR_ID_CLIENT_EXE_URL, URL_DESC_TYPE,
(UINT32)(strlen(p_device_info->client_executable_url) + 1),
(UINT8 *)p_device_info->client_executable_url)) ) {
result = SDP_DI_REG_FAILED;
}
}
}
/* optional - if string is null, do not add attribute */
if ( result == SDP_SUCCESS ) {
if ( p_device_info->service_description[0] != '\0' ) {
if ( !((strlen(p_device_info->service_description) + 1 <= SDP_MAX_ATTR_LEN) &&
SDP_AddAttribute(handle, ATTR_ID_SERVICE_DESCRIPTION,
TEXT_STR_DESC_TYPE,
(UINT32)(strlen(p_device_info->service_description) + 1),
(UINT8 *)p_device_info->service_description)) ) {
result = SDP_DI_REG_FAILED;
}
}
}
/* optional - if string is null, do not add attribute */
if ( result == SDP_SUCCESS ) {
if ( p_device_info->documentation_url[0] != '\0' ) {
if ( !((strlen(p_device_info->documentation_url) + 1 <= SDP_MAX_ATTR_LEN) &&
SDP_AddAttribute(handle, ATTR_ID_DOCUMENTATION_URL, URL_DESC_TYPE,
(UINT32)(strlen(p_device_info->documentation_url) + 1),
(UINT8 *)p_device_info->documentation_url)) ) {
result = SDP_DI_REG_FAILED;
}
}
}
/* mandatory */
if ( result == SDP_SUCCESS) {
p_temp = temp_u16;
UINT16_TO_BE_STREAM(p_temp, p_device_info->vendor);
if ( !(SDP_AddAttribute(handle, ATTR_ID_VENDOR_ID, UINT_DESC_TYPE,
sizeof(p_device_info->vendor), temp_u16)) ) {
result = SDP_DI_REG_FAILED;
}
}
/* mandatory */
if ( result == SDP_SUCCESS) {
p_temp = temp_u16;
UINT16_TO_BE_STREAM (p_temp, p_device_info->product);
if ( !(SDP_AddAttribute(handle, ATTR_ID_PRODUCT_ID,
UINT_DESC_TYPE, sizeof(p_device_info->product), temp_u16)) ) {
result = SDP_DI_REG_FAILED;
}
}
/* mandatory */
if ( result == SDP_SUCCESS) {
p_temp = temp_u16;
UINT16_TO_BE_STREAM (p_temp, p_device_info->version);
if ( !(SDP_AddAttribute(handle, ATTR_ID_PRODUCT_VERSION, UINT_DESC_TYPE,
sizeof(p_device_info->version), temp_u16)) ) {
result = SDP_DI_REG_FAILED;
}
}
/* mandatory */
if ( result == SDP_SUCCESS) {
u8 = (UINT8)p_device_info->primary_record;
if ( !(SDP_AddAttribute(handle, ATTR_ID_PRIMARY_RECORD,
BOOLEAN_DESC_TYPE, 1, &u8)) ) {
result = SDP_DI_REG_FAILED;
}
}
/* mandatory */
if ( result == SDP_SUCCESS) {
p_temp = temp_u16;
UINT16_TO_BE_STREAM(p_temp, p_device_info->vendor_id_source);
if ( !(SDP_AddAttribute(handle, ATTR_ID_VENDOR_ID_SOURCE, UINT_DESC_TYPE,
sizeof(p_device_info->vendor_id_source), temp_u16)) ) {
result = SDP_DI_REG_FAILED;
}
}
if ( result != SDP_SUCCESS ) {
SDP_DeleteRecord( handle );
} else if (p_device_info->primary_record == TRUE) {
sdp_cb.server_db.di_primary_handle = handle;
}
return result;
#else /* SDP_SERVER_ENABLED is FALSE */
return SDP_DI_REG_FAILED;
#endif /* if SDP_SERVER_ENABLED */
}
/*******************************************************************************
**
** Function SDP_SetTraceLevel
**
** Description This function sets the trace level for SDP. If called with
** a value of 0xFF, it simply reads the current trace level.
**
** Returns the new (current) trace level
**
*******************************************************************************/
UINT8 SDP_SetTraceLevel (UINT8 new_level)
{
if (new_level != 0xFF) {
sdp_cb.trace_level = new_level;
}
return (sdp_cb.trace_level);
}
#endif ///SDP_INCLUDED == TRUE
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