| /****************************************************************************** |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| #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 |
| |
| /* Legacy #define to avoid code changes - SDP UUID is same as BT UUID */ |
| #define tSDP_UUID tBT_UUID |
| |
| /* 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 */ |
| tSDP_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, tSDP_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 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); |
| |
| /******************************************************************************* |
| * |
| * 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, tBT_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, tBT_UUID* p_uuid); |
| |
| // Converts UUID-16 to UUID-128 by including the base UUID. |
| // |uuid16| is the 2-byte UUID to convert. |
| // The result with the expanded 128-bit UUID is stored in |p_uuid128|. |
| void sdpu_uuid16_to_uuid128(uint16_t uuid16, uint8_t* p_uuid128); |
| |
| #endif /* SDP_API_H */ |
