/******************************************************************************
*
* Copyright 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.
*
******************************************************************************/
#ifndef SDP_API_H
#define SDP_API_H
#include "bt_target.h"
#include "sdpdefs.h"
/*****************************************************************************
* Constants
****************************************************************************/
/* Success code and error codes */
#define SDP_SUCCESS 0x0000
#define SDP_INVALID_VERSION 0x0001
#define SDP_INVALID_SERV_REC_HDL 0x0002
#define SDP_INVALID_REQ_SYNTAX 0x0003
#define SDP_INVALID_PDU_SIZE 0x0004
#define SDP_INVALID_CONT_STATE 0x0005
#define SDP_NO_RESOURCES 0x0006
#define SDP_DI_REG_FAILED 0x0007
#define SDP_DI_DISC_FAILED 0x0008
#define SDP_NO_DI_RECORD_FOUND 0x0009
#define SDP_ERR_ATTR_NOT_PRESENT 0x000A
#define SDP_ILLEGAL_PARAMETER 0x000B
#define SDP_NO_RECS_MATCH 0xFFF0
#define SDP_CONN_FAILED 0xFFF1
#define SDP_CFG_FAILED 0xFFF2
#define SDP_GENERIC_ERROR 0xFFF3
#define SDP_DB_FULL 0xFFF4
#define SDP_INVALID_PDU 0xFFF5
#define SDP_SECURITY_ERR 0xFFF6
#define SDP_CONN_REJECTED 0xFFF7
#define SDP_CANCEL 0xFFF8
/* Define the PSM that SDP uses */
#define SDP_PSM 0x0001
/* Masks for attr_value field of tSDP_DISC_ATTR */
#define SDP_DISC_ATTR_LEN_MASK 0x0FFF
#define SDP_DISC_ATTR_TYPE(len_type) ((len_type) >> 12)
#define SDP_DISC_ATTR_LEN(len_type) ((len_type)&SDP_DISC_ATTR_LEN_MASK)
/* Maximum number of protocol list items (list_elem in tSDP_PROTOCOL_ELEM) */
#define SDP_MAX_LIST_ELEMS 3
/*****************************************************************************
* Type Definitions
****************************************************************************/
/* Define a callback function for when discovery is complete. */
typedef void(tSDP_DISC_CMPL_CB)(uint16_t result);
typedef void(tSDP_DISC_CMPL_CB2)(uint16_t result, void* user_data);
typedef struct {
RawAddress peer_addr;
uint16_t peer_mtu;
} tSDP_DR_OPEN;
typedef struct {
uint8_t* p_data;
uint16_t data_len;
} tSDP_DR_DATA;
typedef union {
tSDP_DR_OPEN open;
tSDP_DR_DATA data;
} tSDP_DATA;
/* Define a callback function for when discovery result is received. */
typedef void(tSDP_DISC_RES_CB)(uint16_t event, tSDP_DATA* p_data);
/* Define a structure to hold the discovered service information. */
typedef struct {
union {
uint8_t u8; /* 8-bit integer */
uint16_t u16; /* 16-bit integer */
uint32_t u32; /* 32-bit integer */
uint8_t array[4]; /* Variable length field */
struct t_sdp_disc_attr* p_sub_attr; /* Addr of first sub-attr (list)*/
} v;
} tSDP_DISC_ATVAL;
typedef struct t_sdp_disc_attr {
struct t_sdp_disc_attr* p_next_attr; /* Addr of next linked attr */
uint16_t attr_id; /* Attribute ID */
uint16_t attr_len_type; /* Length and type fields */
tSDP_DISC_ATVAL attr_value; /* Variable length entry data */
} tSDP_DISC_ATTR;
typedef struct t_sdp_disc_rec {
tSDP_DISC_ATTR* p_first_attr; /* First attribute of record */
struct t_sdp_disc_rec* p_next_rec; /* Addr of next linked record */
uint32_t time_read; /* The time the record was read */
RawAddress remote_bd_addr; /* Remote BD address */
} tSDP_DISC_REC;
typedef struct {
uint32_t mem_size; /* Memory size of the DB */
uint32_t mem_free; /* Memory still available */
tSDP_DISC_REC* p_first_rec; /* Addr of first record in DB */
uint16_t num_uuid_filters; /* Number of UUIds to filter */
bluetooth::Uuid uuid_filters[SDP_MAX_UUID_FILTERS]; /* UUIDs to filter */
uint16_t num_attr_filters; /* Number of attribute filters */
uint16_t attr_filters[SDP_MAX_ATTR_FILTERS]; /* Attributes to filter */
uint8_t* p_free_mem; /* Pointer to free memory */
#if (SDP_RAW_DATA_INCLUDED == TRUE)
uint8_t*
raw_data; /* Received record from server. allocated/released by client */
uint32_t raw_size; /* size of raw_data */
uint32_t raw_used; /* length of raw_data used */
#endif
} tSDP_DISCOVERY_DB;
/* This structure is used to add protocol lists and find protocol elements */
typedef struct {
uint16_t protocol_uuid;
uint16_t num_params;
uint16_t params[SDP_MAX_PROTOCOL_PARAMS];
} tSDP_PROTOCOL_ELEM;
typedef struct {
uint16_t num_elems;
tSDP_PROTOCOL_ELEM list_elem[SDP_MAX_LIST_ELEMS];
} tSDP_PROTO_LIST_ELEM;
/* Device Identification (DI) data structure
*/
/* Used to set the DI record */
typedef struct t_sdp_di_record {
uint16_t vendor;
uint16_t vendor_id_source;
uint16_t product;
uint16_t version;
bool primary_record;
char client_executable_url[SDP_MAX_ATTR_LEN]; /* optional */
char service_description[SDP_MAX_ATTR_LEN]; /* optional */
char documentation_url[SDP_MAX_ATTR_LEN]; /* optional */
} tSDP_DI_RECORD;
/* Used to get the DI record */
typedef struct t_sdp_di_get_record {
uint16_t spec_id;
tSDP_DI_RECORD rec;
} tSDP_DI_GET_RECORD;
/* API into the SDP layer for service discovery. */
/*******************************************************************************
*
* Function SDP_InitDiscoveryDb
*
* Description This function is called to initialize a discovery database.
*
* Returns true if successful, false if one or more parameters are bad
*
******************************************************************************/
bool SDP_InitDiscoveryDb(tSDP_DISCOVERY_DB* p_db, uint32_t len,
uint16_t num_uuid, const bluetooth::Uuid* p_uuid_list,
uint16_t num_attr, uint16_t* p_attr_list);
/*******************************************************************************
*
* 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.
*
******************************************************************************/
bool SDP_CancelServiceSearch(tSDP_DISCOVERY_DB* p_db);
/*******************************************************************************
*
* Function SDP_ServiceSearchRequest
*
* Description This function queries an SDP server for information.
*
* Returns true if discovery started, false if failed.
*
******************************************************************************/
bool SDP_ServiceSearchRequest(const RawAddress& p_bd_addr,
tSDP_DISCOVERY_DB* p_db, tSDP_DISC_CMPL_CB* p_cb);
/*******************************************************************************
*
* Function SDP_ServiceSearchAttributeRequest
*
* 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.
*
* Returns true if discovery started, false if failed.
*
******************************************************************************/
bool SDP_ServiceSearchAttributeRequest(const RawAddress& p_bd_addr,
tSDP_DISCOVERY_DB* p_db,
tSDP_DISC_CMPL_CB* p_cb);
/*******************************************************************************
*
* 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.
*
******************************************************************************/
bool SDP_ServiceSearchAttributeRequest2(const RawAddress& p_bd_addr,
tSDP_DISCOVERY_DB* p_db,
tSDP_DISC_CMPL_CB2* p_cb,
void* user_data);
/* API of utilities to find data in the local discovery database */
/*******************************************************************************
*
* 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_t attr_id,
tSDP_DISC_REC* p_start_rec);
/*******************************************************************************
*
* 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_t attr_id);
/*******************************************************************************
*
* 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_t service_uuid,
tSDP_DISC_REC* p_start_rec);
/*******************************************************************************
*
* 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 Uuid input.
*
* Returns Pointer to record containing service class, or NULL
*
******************************************************************************/
tSDP_DISC_REC* SDP_FindServiceUUIDInDb(tSDP_DISCOVERY_DB* p_db,
const bluetooth::Uuid& uuid,
tSDP_DISC_REC* p_start_rec);
/*******************************************************************************
*
* Function SDP_FindServiceUUIDInRec_128bit
*
* Description 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.
*
******************************************************************************/
bool SDP_FindServiceUUIDInRec_128bit(tSDP_DISC_REC* p_rec,
bluetooth::Uuid* p_uuid);
/*******************************************************************************
*
* Function SDP_FindServiceInDb_128bit
*
* Description Query an SDP database for a specific service.
* If the p_start_rec pointer is NULL, look from the beginning
* of the database, else continue from the next record after
* p_start_rec.
*
* 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);
/*******************************************************************************
*
* 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.
*
******************************************************************************/
bool SDP_FindProtocolListElemInRec(tSDP_DISC_REC* p_rec, uint16_t layer_uuid,
tSDP_PROTOCOL_ELEM* p_elem);
/*******************************************************************************
*
* 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.
*
******************************************************************************/
bool SDP_FindAddProtoListsElemInRec(tSDP_DISC_REC* p_rec, uint16_t layer_uuid,
tSDP_PROTOCOL_ELEM* p_elem);
/*******************************************************************************
*
* 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.
*
******************************************************************************/
bool SDP_FindProfileVersionInRec(tSDP_DISC_REC* p_rec, uint16_t profile_uuid,
uint16_t* p_version);
/* API into SDP for local service database updates */
/*******************************************************************************
*
* Function SDP_CreateRecord
*
* Description This function is called to create a record in the database.
* This would be through the SDP database maintenance API. The
* record is created empty, teh application should then call
* "add_attribute" to add the record's attributes.
*
* Returns Record handle if OK, else 0.
*
******************************************************************************/
uint32_t SDP_CreateRecord(void);
/*******************************************************************************
*
* Function SDP_DeleteRecord
*
* Description This function is called to add a record (or all records)
* from the database. This would be through the SDP database
* maintenance API.
*
* If a record handle of 0 is passed, all records are deleted.
*
* Returns true if succeeded, else false
*
******************************************************************************/
bool SDP_DeleteRecord(uint32_t handle);
/*******************************************************************************
*
* Function SDP_ReadRecord
*
* Description This function is called to get the raw data of the record
* with the given handle from the database.
*
* Returns -1, if the record is not found.
* Otherwise, the offset (0 or 1) to start of data in p_data.
*
* The size of data copied into p_data is in *p_data_len.
*
******************************************************************************/
int32_t SDP_ReadRecord(uint32_t handle, uint8_t* p_data, int32_t* p_data_len);
/*******************************************************************************
*
* Function SDP_AddAttribute
*
* Description This function is called to add an attribute to a record.
* This would be through the SDP database maintenance API.
* If the attribute already exists in the record, it is
* replaced with the new value.
*
* NOTE Attribute values must be passed as a Big Endian stream.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool SDP_AddAttribute(uint32_t handle, uint16_t attr_id, uint8_t attr_type,
uint32_t attr_len, uint8_t* p_val);
/*******************************************************************************
*
* Function SDP_AddSequence
*
* Description This function is called to add a sequence to a record.
* This would be through the SDP database maintenance API.
* If the sequence already exists in the record, it is replaced
* with the new sequence.
*
* NOTE Element values must be passed as a Big Endian stream.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool SDP_AddSequence(uint32_t handle, uint16_t attr_id, uint16_t num_elem,
uint8_t type[], uint8_t len[], uint8_t* p_val[]);
/*******************************************************************************
*
* Function SDP_AddUuidSequence
*
* Description This function is called to add a UUID sequence to a record.
* This would be through the SDP database maintenance API.
* If the sequence already exists in the record, it is replaced
* with the new sequence.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool SDP_AddUuidSequence(uint32_t handle, uint16_t attr_id, uint16_t num_uuids,
uint16_t* p_uuids);
/*******************************************************************************
*
* Function SDP_AddProtocolList
*
* 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 SDP_AddProtocolList(uint32_t handle, uint16_t num_elem,
tSDP_PROTOCOL_ELEM* p_elem_list);
/*******************************************************************************
*
* Function SDP_AddAdditionProtoLists
*
* 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 SDP_AddAdditionProtoLists(uint32_t handle, uint16_t num_elem,
tSDP_PROTO_LIST_ELEM* p_proto_list);
/*******************************************************************************
*
* Function SDP_AddProfileDescriptorList
*
* Description This function is called to add a profile descriptor list to
* a record. This would be through the SDP database maintenance
* API. If the version already exists in the record, it is
* replaced with the new one.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool SDP_AddProfileDescriptorList(uint32_t handle, uint16_t profile_uuid,
uint16_t version);
/*******************************************************************************
*
* Function SDP_AddLanguageBaseAttrIDList
*
* Description This function is called to add a language base attr list to
* a record. This would be through the SDP database maintenance
* API. If the version already exists in the record, it is
* replaced with the new one.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool SDP_AddLanguageBaseAttrIDList(uint32_t handle, uint16_t lang,
uint16_t char_enc, uint16_t base_id);
/*******************************************************************************
*
* Function SDP_AddServiceClassIdList
*
* Description This function is called to add a service list to a record.
* This would be through the SDP database maintenance API.
* If the service list already exists in the record, it is
* replaced with the new list.
*
* Returns true if added OK, else false
*
******************************************************************************/
bool SDP_AddServiceClassIdList(uint32_t handle, uint16_t num_services,
uint16_t* p_service_uuids);
/*******************************************************************************
*
* Function SDP_DeleteAttribute
*
* Description Delete an attribute from a record.
* This would be through the SDP database maintenance API.
*
* Returns true if deleted OK, else false if not found
*
******************************************************************************/
bool SDP_DeleteAttribute(uint32_t handle, uint16_t attr_id);
/* Device Identification APIs */
/*******************************************************************************
*
* 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_t SDP_SetLocalDiRecord(tSDP_DI_RECORD* device_info, uint32_t* p_handle);
/*******************************************************************************
*
* Function SDP_DiDiscover
*
* Description This function queries a remote device for DI information.
*
* Returns SDP_SUCCESS if query started successfully, else error
*
******************************************************************************/
uint16_t SDP_DiDiscover(const RawAddress& remote_device,
tSDP_DISCOVERY_DB* p_db, uint32_t len,
tSDP_DISC_CMPL_CB* p_cb);
/*******************************************************************************
*
* Function SDP_GetNumDiRecords
*
* Description Searches specified database for DI records
*
* Returns number of DI records found
*
******************************************************************************/
uint8_t SDP_GetNumDiRecords(tSDP_DISCOVERY_DB* p_db);
/*******************************************************************************
*
* 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_t SDP_GetDiRecord(uint8_t getRecordIndex,
tSDP_DI_GET_RECORD* device_info,
tSDP_DISCOVERY_DB* p_db);
/*******************************************************************************
*
* 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_t SDP_SetTraceLevel(uint8_t new_level);
/*******************************************************************************
*
* Function SDP_FindServiceUUIDInRec
*
* Description Read the service UUID within a record,
* if there is any.
*
* Parameters: p_rec - pointer to a SDP record.
*
* Returns true if found, otherwise false.
*
******************************************************************************/
bool SDP_FindServiceUUIDInRec(tSDP_DISC_REC* p_rec, bluetooth::Uuid* p_uuid);
#endif /* SDP_API_H */