att_db.c File Reference

#include <stdio.h>
#include <string.h>
#include "ble/att_db.h"
#include "ble/core.h"
#include "bluetooth.h"
#include "btstack_debug.h"
#include "btstack_util.h"

Data Structures
struct	att_iterator

Macros
#define	__BTSTACK_FILE__   "att_db.c"

Typedefs
typedef struct att_iterator	att_iterator_t

Functions
void	att_clear_transaction_queue (att_connection_t *att_connection)
static int	att_copy_value (att_iterator_t *it, uint16_t offset, uint8_t *buffer, uint16_t buffer_size, hci_con_handle_t con_handle)
void	att_dump_attributes (void)
static int	att_find_handle (att_iterator_t *it, uint16_t handle)
uint16_t	att_handle_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer)
static void	att_iterator_fetch_next (att_iterator_t *it)
static int	att_iterator_has_next (att_iterator_t *it)
static void	att_iterator_init (att_iterator_t *it)
static int	att_iterator_match_uuid (att_iterator_t *it, uint8_t *uuid, uint16_t uuid_len)
static int	att_iterator_match_uuid16 (att_iterator_t *it, uint16_t uuid)
static void	att_notify_write_callbacks (att_connection_t *att_connection, uint16_t transaction_mode)
uint16_t	att_prepare_handle_value_indication (att_connection_t *att_connection, uint16_t handle, uint8_t *value, uint16_t value_len, uint8_t *response_buffer)
uint16_t	att_prepare_handle_value_notification (att_connection_t *att_connection, uint16_t handle, uint8_t *value, uint16_t value_len, uint8_t *response_buffer)
static void	att_prepare_write_reset (void)
static void	att_prepare_write_update_errors (uint8_t error_code, uint16_t handle)
static att_read_callback_t	att_read_callback_for_handle (uint16_t handle)
uint16_t	att_read_callback_handle_blob (const uint8_t *blob, uint16_t blob_size, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
uint16_t	att_read_callback_handle_byte (uint8_t value, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
uint16_t	att_read_callback_handle_little_endian_16 (uint16_t value, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
uint16_t	att_read_callback_handle_little_endian_32 (uint32_t value, uint16_t offset, uint8_t *buffer, uint16_t buffer_size)
void	att_register_service_handler (att_service_handler_t *handler)
	register read/write callbacks for specific handle range More...
static att_service_handler_t *	att_service_handler_for_handle (uint16_t handle)
void	att_set_db (uint8_t const *db)
void	att_set_read_callback (att_read_callback_t callback)
void	att_set_write_callback (att_write_callback_t callback)
static void	att_update_value_len (att_iterator_t *it, hci_con_handle_t con_handle)
uint16_t	att_uuid_for_handle (uint16_t attribute_handle)
static uint8_t	att_validate_prepared_write (att_connection_t *att_connection)
static uint8_t	att_validate_security (att_connection_t *att_connection, att_iterator_t *it)
static att_write_callback_t	att_write_callback_for_handle (uint16_t handle)
uint16_t	gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16 (uint16_t start_handle, uint16_t end_handle, uint16_t uuid16)
int	gatt_server_get_get_handle_range_for_service_with_uuid16 (uint16_t uuid16, uint16_t *start_handle, uint16_t *end_handle)
uint16_t	gatt_server_get_value_handle_for_characteristic_with_uuid16 (uint16_t start_handle, uint16_t end_handle, uint16_t uuid16)
static uint16_t	handle_exchange_mtu_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer)
static uint16_t	handle_execute_write_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_find_by_type_value_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_find_by_type_value_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t start_handle, uint16_t end_handle, uint16_t attribute_type, uint16_t attribute_len, uint8_t *attribute_value)
static uint16_t	handle_find_information_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_find_information_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t start_handle, uint16_t end_handle)
static uint16_t	handle_prepare_write_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_read_blob_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_read_blob_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t handle, uint16_t value_offset)
static uint16_t	handle_read_by_group_type_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_read_by_group_type_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t start_handle, uint16_t end_handle, uint16_t attribute_type_len, uint8_t *attribute_type)
static uint16_t	handle_read_by_type_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_read_by_type_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t start_handle, uint16_t end_handle, uint16_t attribute_type_len, uint8_t *attribute_type)
static uint16_t	handle_read_multiple_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_read_multiple_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t num_handles, uint8_t *handles)
static uint16_t	handle_read_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_read_request2 (att_connection_t *att_connection, uint8_t *response_buffer, uint16_t response_buffer_size, uint16_t handle)
static void	handle_write_command (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static uint16_t	handle_write_request (att_connection_t *att_connection, uint8_t *request_buffer, uint16_t request_len, uint8_t *response_buffer, uint16_t response_buffer_size)
static int	is_Bluetooth_Base_UUID (uint8_t const *uuid)
static uint16_t	prepare_handle_value (att_connection_t *att_connection, uint16_t handle, uint8_t *value, uint16_t value_len, uint8_t *response_buffer)
static uint16_t	setup_error (uint8_t *response_buffer, uint16_t request, uint16_t handle, uint8_t error_code)
static uint16_t	setup_error_atribute_not_found (uint8_t *response_buffer, uint16_t request, uint16_t start_handle)
static uint16_t	setup_error_invalid_handle (uint8_t *response_buffer, uint16_t request, uint16_t handle)
static uint16_t	setup_error_invalid_offset (uint8_t *response_buffer, uint16_t request, uint16_t handle)
static uint16_t	setup_error_read_not_permitted (uint8_t *response_buffer, uint16_t request, uint16_t start_handle)
static uint16_t	setup_error_write_not_permitted (uint8_t *response_buffer, uint16_t request, uint16_t start_handle)
static uint16_t	uuid16_from_uuid (uint16_t uuid_len, uint8_t *uuid)

Variables
static uint8_t const *	att_db = NULL
static uint8_t	att_prepare_write_error_code = 0
static uint16_t	att_prepare_write_error_handle = 0x0000
static att_read_callback_t	att_read_callback = NULL
static att_write_callback_t	att_write_callback = NULL
static const uint8_t	bluetooth_base_uuid [] = { 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
static btstack_linked_list_t	service_handlers

#define __BTSTACK_FILE__   "att_db.c"

typedef struct att_iterator att_iterator_t

void att_clear_transaction_queue

(

att_connection_t *

att_connection

)

References att_notify_write_callbacks(), and ATT_TRANSACTION_MODE_CANCEL.

Referenced by att_event_packet_handler(), and handle_execute_write_request().

static int att_copy_value ( att_iterator_t *  it, uint16_t  offset, uint8_t *  buffer, uint16_t  buffer_size, hci_con_handle_t  con_handle  )

static

References ATT_PROPERTY_DYNAMIC, att_read_callback_for_handle(), buffer, callback, con_handle, att_iterator::flags, att_iterator::handle, att_iterator::value, and att_iterator::value_len.

Referenced by handle_read_blob_request2(), handle_read_by_type_request2(), handle_read_multiple_request2(), and handle_read_request2().

void att_dump_attributes

(

void

)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), ATT_PROPERTY_UUID128, att_iterator::flags, att_iterator::handle, little_endian_read_16(), log_info, log_info_hexdump(), reverse_128(), att_iterator::uuid, uuid128_to_str(), att_iterator::value, and att_iterator::value_len.

static int att_find_handle ( att_iterator_t *  it, uint16_t  handle  )

static

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), and att_iterator::handle.

Referenced by att_uuid_for_handle(), handle_prepare_write_request(), handle_read_blob_request2(), handle_read_multiple_request2(), handle_read_request2(), handle_write_command(), and handle_write_request().

uint16_t att_handle_request	(	att_connection_t *	att_connection,
		uint8_t *	request_buffer,
		uint16_t	request_len,
		uint8_t *	response_buffer
	)

References ATT_EXCHANGE_MTU_REQUEST, ATT_EXECUTE_WRITE_REQUEST, ATT_FIND_BY_TYPE_VALUE_REQUEST, ATT_FIND_INFORMATION_REQUEST, ATT_PREPARE_WRITE_REQUEST, ATT_READ_BLOB_REQUEST, ATT_READ_BY_GROUP_TYPE_REQUEST, ATT_READ_BY_TYPE_REQUEST, ATT_READ_MULTIPLE_REQUEST, ATT_READ_REQUEST, ATT_SIGNED_WRITE_COMMAND, ATT_WRITE_COMMAND, ATT_WRITE_REQUEST, handle_exchange_mtu_request(), handle_execute_write_request(), handle_find_by_type_value_request(), handle_find_information_request(), handle_prepare_write_request(), handle_read_blob_request(), handle_read_by_group_type_request(), handle_read_by_type_request(), handle_read_multiple_request(), handle_read_request(), handle_write_command(), handle_write_request(), log_info, log_info_hexdump(), and att_connection::mtu.

Referenced by att_packet_handler(), and att_server_process_validated_request().

static void att_iterator_fetch_next ( att_iterator_t *  it )

static

References ATT_PROPERTY_UUID128, att_iterator::att_ptr, att_iterator::flags, att_iterator::handle, little_endian_read_16(), NULL, att_iterator::size, att_iterator::uuid, att_iterator::value, and att_iterator::value_len.

Referenced by att_dump_attributes(), att_find_handle(), gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16(), gatt_server_get_get_handle_range_for_service_with_uuid16(), gatt_server_get_value_handle_for_characteristic_with_uuid16(), handle_find_by_type_value_request2(), handle_find_information_request2(), handle_read_by_group_type_request2(), and handle_read_by_type_request2().

static int att_iterator_has_next ( att_iterator_t *  it )

static

References att_iterator::att_ptr, and NULL.

Referenced by att_dump_attributes(), att_find_handle(), gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16(), gatt_server_get_get_handle_range_for_service_with_uuid16(), gatt_server_get_value_handle_for_characteristic_with_uuid16(), handle_find_by_type_value_request2(), handle_find_information_request2(), handle_read_by_group_type_request2(), and handle_read_by_type_request2().

static void att_iterator_init ( att_iterator_t *  it )

static

References att_db, and att_iterator::att_ptr.

Referenced by att_dump_attributes(), att_find_handle(), gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16(), gatt_server_get_get_handle_range_for_service_with_uuid16(), gatt_server_get_value_handle_for_characteristic_with_uuid16(), handle_find_by_type_value_request2(), handle_find_information_request2(), handle_read_by_group_type_request2(), and handle_read_by_type_request2().

static int att_iterator_match_uuid ( att_iterator_t *  it, uint8_t *  uuid, uint16_t  uuid_len  )

static

References att_iterator_match_uuid16(), ATT_PROPERTY_UUID128, att_iterator::flags, att_iterator::handle, is_Bluetooth_Base_UUID(), little_endian_read_16(), and att_iterator::uuid.

Referenced by handle_read_by_group_type_request2(), and handle_read_by_type_request2().

static int att_iterator_match_uuid16 ( att_iterator_t *  it, uint16_t  uuid  )

static

References ATT_PROPERTY_UUID128, att_iterator::flags, att_iterator::handle, is_Bluetooth_Base_UUID(), little_endian_read_16(), and att_iterator::uuid.

Referenced by att_iterator_match_uuid(), gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16(), gatt_server_get_get_handle_range_for_service_with_uuid16(), gatt_server_get_value_handle_for_characteristic_with_uuid16(), handle_find_by_type_value_request2(), and handle_read_by_group_type_request2().

static void att_notify_write_callbacks ( att_connection_t *  att_connection, uint16_t  transaction_mode  )

static

References att_write_callback, btstack_linked_list_iterator_has_next(), btstack_linked_list_iterator_init(), btstack_linked_list_iterator_next(), att_connection::con_handle, NULL, and att_service_handler::write_callback.

Referenced by att_clear_transaction_queue(), and handle_execute_write_request().

uint16_t att_prepare_handle_value_indication	(	att_connection_t *	att_connection,
		uint16_t	handle,
		uint8_t *	value,
		uint16_t	value_len,
		uint8_t *	response_buffer
	)

References ATT_HANDLE_VALUE_INDICATION, and prepare_handle_value().

Referenced by att_server_indicate().

uint16_t att_prepare_handle_value_notification	(	att_connection_t *	att_connection,
		uint16_t	handle,
		uint8_t *	value,
		uint16_t	value_len,
		uint8_t *	response_buffer
	)

References ATT_HANDLE_VALUE_NOTIFICATION, and prepare_handle_value().

Referenced by att_server_notify().

static void att_prepare_write_reset ( void  )

static

References att_prepare_write_error_code, and att_prepare_write_error_handle.

Referenced by handle_execute_write_request().

static void att_prepare_write_update_errors ( uint8_t  error_code, uint16_t  handle  )

static

References ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH, ATT_ERROR_INVALID_OFFSET, att_prepare_write_error_code, and att_prepare_write_error_handle.

Referenced by handle_prepare_write_request().

static att_read_callback_t att_read_callback_for_handle ( uint16_t  handle )

static

References att_read_callback, att_service_handler_for_handle(), and att_service_handler::read_callback.

Referenced by att_copy_value(), and att_update_value_len().

uint16_t att_read_callback_handle_blob	(	const uint8_t *	blob,
		uint16_t	blob_size,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References btstack_min().

Referenced by att_read_callback(), att_read_callback_handle_byte(), att_read_callback_handle_little_endian_16(), and att_read_callback_handle_little_endian_32().

uint16_t att_read_callback_handle_byte	(	uint8_t	value,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References att_read_callback_handle_blob().

Referenced by att_read_callback().

uint16_t att_read_callback_handle_little_endian_16	(	uint16_t	value,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References att_read_callback_handle_blob(), and little_endian_store_16().

Referenced by att_read_callback().

uint16_t att_read_callback_handle_little_endian_32	(	uint32_t	value,
		uint16_t	offset,
		uint8_t *	buffer,
		uint16_t	buffer_size
	)

References att_read_callback_handle_blob(), and little_endian_store_32().

void att_register_service_handler

(

att_service_handler_t *

handler

)

register read/write callbacks for specific handle range

Parameters

att_service_handler_t

References att_service_handler_for_handle(), btstack_linked_list_add(), att_service_handler::end_handle, log_error, and att_service_handler::start_handle.

Referenced by battery_service_server_init(), device_information_service_server_init(), and hids_device_init().

static att_service_handler_t* att_service_handler_for_handle ( uint16_t  handle )

static

References btstack_linked_list_iterator_has_next(), btstack_linked_list_iterator_init(), btstack_linked_list_iterator_next(), att_service_handler::end_handle, NULL, and att_service_handler::start_handle.

Referenced by att_read_callback_for_handle(), att_register_service_handler(), and att_write_callback_for_handle().

void att_set_db

(

uint8_t const *

db

)

References att_db.

Referenced by att_server_init().

void att_set_read_callback

(

att_read_callback_t

callback

)

References att_read_callback, and callback.

Referenced by att_server_init().

void att_set_write_callback

(

att_write_callback_t

callback

)

References att_write_callback, and callback.

Referenced by att_server_init().

static void att_update_value_len ( att_iterator_t *  it, hci_con_handle_t  con_handle  )

static

References ATT_PROPERTY_DYNAMIC, att_read_callback_for_handle(), callback, con_handle, att_iterator::flags, att_iterator::handle, NULL, and att_iterator::value_len.

Referenced by handle_read_blob_request2(), handle_read_by_type_request2(), handle_read_multiple_request2(), and handle_read_request2().

uint16_t att_uuid_for_handle

(

uint16_t

attribute_handle

)

References att_find_handle(), ATT_PROPERTY_UUID128, att_iterator::flags, little_endian_read_16(), and att_iterator::uuid.

static uint8_t att_validate_prepared_write ( att_connection_t *  att_connection )

static

References ATT_TRANSACTION_MODE_VALIDATE, att_write_callback, btstack_linked_list_iterator_has_next(), btstack_linked_list_iterator_init(), btstack_linked_list_iterator_next(), att_connection::con_handle, NULL, and att_service_handler::write_callback.

Referenced by handle_execute_write_request().

static uint8_t att_validate_security ( att_connection_t *  att_connection, att_iterator_t *  it  )

static

References ATT_ERROR_INSUFFICIENT_AUTHENTICATION, ATT_ERROR_INSUFFICIENT_AUTHORIZATION, ATT_ERROR_INSUFFICIENT_ENCRYPTION, ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE, ATT_PROPERTY_AUTHENTICATION_REQUIRED, ATT_PROPERTY_AUTHORIZATION_REQUIRED, att_connection::authenticated, att_connection::authorized, att_connection::encryption_key_size, and att_iterator::flags.

Referenced by handle_prepare_write_request(), handle_read_blob_request2(), handle_read_by_type_request2(), handle_read_multiple_request2(), handle_read_request2(), handle_write_command(), and handle_write_request().

static att_write_callback_t att_write_callback_for_handle ( uint16_t  handle )

static

References att_service_handler_for_handle(), att_write_callback, and att_service_handler::write_callback.

Referenced by handle_prepare_write_request(), handle_write_command(), and handle_write_request().

uint16_t gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16	(	uint16_t	start_handle,
		uint16_t	end_handle,
		uint16_t	uuid16
	)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), GATT_CHARACTERISTICS_UUID, GATT_CLIENT_CHARACTERISTICS_CONFIGURATION, GATT_PRIMARY_SERVICE_UUID, GATT_SECONDARY_SERVICE_UUID, and att_iterator::handle.

Referenced by battery_service_server_init(), and hids_device_init().

int gatt_server_get_get_handle_range_for_service_with_uuid16	(	uint16_t	uuid16,
		uint16_t *	start_handle,
		uint16_t *	end_handle
	)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), GATT_PRIMARY_SERVICE_UUID, GATT_SECONDARY_SERVICE_UUID, att_iterator::handle, little_endian_store_16(), att_iterator::value, and att_iterator::value_len.

Referenced by battery_service_server_init(), device_information_service_server_init(), and hids_device_init().

uint16_t gatt_server_get_value_handle_for_characteristic_with_uuid16	(	uint16_t	start_handle,
		uint16_t	end_handle,
		uint16_t	uuid16
	)

References att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), and att_iterator::handle.

Referenced by battery_service_server_init(), device_information_service_server_init(), and hids_device_init().

static uint16_t handle_exchange_mtu_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer  )

static

References ATT_EXCHANGE_MTU_RESPONSE, little_endian_read_16(), little_endian_store_16(), att_connection::max_mtu, att_connection::mtu, and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_execute_write_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References att_clear_transaction_queue(), ATT_EXECUTE_WRITE_REQUEST, ATT_EXECUTE_WRITE_RESPONSE, att_notify_write_callbacks(), att_prepare_write_error_code, att_prepare_write_error_handle, att_prepare_write_reset(), ATT_TRANSACTION_MODE_EXECUTE, att_validate_prepared_write(), setup_error(), and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_find_by_type_value_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_find_by_type_value_request2(), and little_endian_read_16().

Referenced by att_handle_request().

static uint16_t handle_find_by_type_value_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  start_handle, uint16_t  end_handle, uint16_t  attribute_type, uint16_t  attribute_len, uint8_t *  attribute_value  )

static

References ATT_FIND_BY_TYPE_VALUE_REQUEST, ATT_FIND_BY_TYPE_VALUE_RESPONSE, att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid16(), GATT_PRIMARY_SERVICE_UUID, GATT_SECONDARY_SERVICE_UUID, att_iterator::handle, little_endian_store_16(), log_info, log_info_hexdump(), setup_error_atribute_not_found(), setup_error_invalid_handle(), UNUSED, att_iterator::value, and att_iterator::value_len.

Referenced by handle_find_by_type_value_request().

static uint16_t handle_find_information_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_find_information_request2(), little_endian_read_16(), and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_find_information_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  start_handle, uint16_t  end_handle  )

static

References ATT_FIND_INFORMATION_REPLY, ATT_FIND_INFORMATION_REQUEST, att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), ATT_PROPERTY_UUID128, att_iterator::flags, att_iterator::handle, little_endian_store_16(), log_info, setup_error_atribute_not_found(), setup_error_invalid_handle(), UNUSED, and att_iterator::uuid.

Referenced by handle_find_information_request().

static uint16_t handle_prepare_write_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LENGTH, ATT_ERROR_INVALID_OFFSET, att_find_handle(), ATT_PREPARE_WRITE_REQUEST, ATT_PREPARE_WRITE_RESPONSE, att_prepare_write_update_errors(), ATT_PROPERTY_DYNAMIC, ATT_PROPERTY_WRITE, ATT_TRANSACTION_MODE_ACTIVE, att_validate_security(), att_write_callback_for_handle(), callback, att_connection::con_handle, att_iterator::flags, little_endian_read_16(), setup_error(), setup_error_invalid_handle(), setup_error_write_not_permitted(), and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_read_blob_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_read_blob_request2(), little_endian_read_16(), and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_read_blob_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  handle, uint16_t  value_offset  )

static

References att_copy_value(), ATT_DB_FLAGS_READ_WITHOUT_AUTHENTICATION, att_find_handle(), ATT_PROPERTY_READ, ATT_READ_BLOB_REQUEST, ATT_READ_BLOB_RESPONSE, att_update_value_len(), att_validate_security(), att_connection::con_handle, att_iterator::flags, log_info, setup_error(), setup_error_invalid_handle(), setup_error_invalid_offset(), setup_error_read_not_permitted(), and att_iterator::value_len.

Referenced by handle_read_blob_request().

static uint16_t handle_read_by_group_type_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_read_by_group_type_request2(), and little_endian_read_16().

Referenced by att_handle_request().

static uint16_t handle_read_by_group_type_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  start_handle, uint16_t  end_handle, uint16_t  attribute_type_len, uint8_t *  attribute_type  )

static

References ATT_ERROR_UNSUPPORTED_GROUP_TYPE, att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid(), att_iterator_match_uuid16(), ATT_READ_BY_GROUP_TYPE_REQUEST, ATT_READ_BY_GROUP_TYPE_RESPONSE, GATT_PRIMARY_SERVICE_UUID, GATT_SECONDARY_SERVICE_UUID, att_iterator::handle, little_endian_store_16(), log_info, log_info_hexdump(), NULL, setup_error(), setup_error_atribute_not_found(), setup_error_invalid_handle(), UNUSED, uuid16_from_uuid(), att_iterator::value, and att_iterator::value_len.

Referenced by handle_read_by_group_type_request().

static uint16_t handle_read_by_type_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_read_by_type_request2(), and little_endian_read_16().

Referenced by att_handle_request().

static uint16_t handle_read_by_type_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  start_handle, uint16_t  end_handle, uint16_t  attribute_type_len, uint8_t *  attribute_type  )

static

References att_copy_value(), ATT_DB_FLAGS_READ_WITHOUT_AUTHENTICATION, att_iterator_fetch_next(), att_iterator_has_next(), att_iterator_init(), att_iterator_match_uuid(), ATT_PROPERTY_READ, ATT_READ_BY_TYPE_REQUEST, ATT_READ_BY_TYPE_RESPONSE, att_update_value_len(), att_validate_security(), att_connection::con_handle, att_iterator::flags, att_iterator::handle, little_endian_store_16(), log_info, log_info_hexdump(), setup_error(), setup_error_atribute_not_found(), setup_error_invalid_handle(), setup_error_read_not_permitted(), and att_iterator::value_len.

Referenced by handle_read_by_type_request().

static uint16_t handle_read_multiple_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_read_multiple_request2().

Referenced by att_handle_request().

static uint16_t handle_read_multiple_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  num_handles, uint8_t *  handles  )

static

References att_copy_value(), ATT_DB_FLAGS_READ_WITHOUT_AUTHENTICATION, ATT_ERROR_READ_NOT_PERMITTED, att_find_handle(), ATT_PROPERTY_READ, ATT_READ_MULTIPLE_REQUEST, ATT_READ_MULTIPLE_RESPONSE, att_update_value_len(), att_validate_security(), att_connection::con_handle, att_iterator::flags, little_endian_read_16(), log_info, setup_error(), setup_error_invalid_handle(), and att_iterator::value_len.

Referenced by handle_read_multiple_request().

static uint16_t handle_read_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References handle_read_request2(), little_endian_read_16(), and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_read_request2 ( att_connection_t *  att_connection, uint8_t *  response_buffer, uint16_t  response_buffer_size, uint16_t  handle  )

static

References att_copy_value(), ATT_DB_FLAGS_READ_WITHOUT_AUTHENTICATION, att_find_handle(), ATT_PROPERTY_READ, ATT_READ_REQUEST, ATT_READ_RESPONSE, att_update_value_len(), att_validate_security(), att_connection::con_handle, att_iterator::flags, log_info, setup_error(), setup_error_invalid_handle(), setup_error_read_not_permitted(), and att_iterator::value_len.

Referenced by handle_read_request().

static void handle_write_command ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References att_find_handle(), ATT_PROPERTY_DYNAMIC, ATT_PROPERTY_WRITE_WITHOUT_RESPONSE, ATT_TRANSACTION_MODE_NONE, att_validate_security(), att_write_callback_for_handle(), callback, att_connection::con_handle, att_iterator::flags, little_endian_read_16(), and UNUSED.

Referenced by att_handle_request().

static uint16_t handle_write_request ( att_connection_t *  att_connection, uint8_t *  request_buffer, uint16_t  request_len, uint8_t *  response_buffer, uint16_t  response_buffer_size  )

static

References att_find_handle(), ATT_PROPERTY_DYNAMIC, ATT_PROPERTY_WRITE, ATT_TRANSACTION_MODE_NONE, att_validate_security(), att_write_callback_for_handle(), ATT_WRITE_REQUEST, ATT_WRITE_RESPONSE, callback, att_connection::con_handle, att_iterator::flags, little_endian_read_16(), setup_error(), setup_error_invalid_handle(), setup_error_write_not_permitted(), and UNUSED.

Referenced by att_handle_request().

static int is_Bluetooth_Base_UUID ( uint8_t const *  uuid )

static

References bluetooth_base_uuid.

Referenced by att_iterator_match_uuid(), att_iterator_match_uuid16(), and uuid16_from_uuid().

static uint16_t prepare_handle_value ( att_connection_t *  att_connection, uint16_t  handle, uint8_t *  value, uint16_t  value_len, uint8_t *  response_buffer  )

static

References little_endian_store_16(), and att_connection::mtu.

Referenced by att_prepare_handle_value_indication(), and att_prepare_handle_value_notification().

static uint16_t setup_error ( uint8_t *  response_buffer, uint16_t  request, uint16_t  handle, uint8_t  error_code  )

static

References ATT_ERROR_RESPONSE, and little_endian_store_16().

Referenced by handle_execute_write_request(), handle_prepare_write_request(), handle_read_blob_request2(), handle_read_by_group_type_request2(), handle_read_by_type_request2(), handle_read_multiple_request2(), handle_read_request2(), handle_write_request(), setup_error_atribute_not_found(), setup_error_invalid_handle(), setup_error_invalid_offset(), setup_error_read_not_permitted(), and setup_error_write_not_permitted().

static uint16_t setup_error_atribute_not_found ( uint8_t *  response_buffer, uint16_t  request, uint16_t  start_handle  )

inlinestatic

References ATT_ERROR_ATTRIBUTE_NOT_FOUND, and setup_error().

Referenced by handle_find_by_type_value_request2(), handle_find_information_request2(), handle_read_by_group_type_request2(), and handle_read_by_type_request2().

static uint16_t setup_error_invalid_handle ( uint8_t *  response_buffer, uint16_t  request, uint16_t  handle  )

inlinestatic

References ATT_ERROR_INVALID_HANDLE, and setup_error().

Referenced by handle_find_by_type_value_request2(), handle_find_information_request2(), handle_prepare_write_request(), handle_read_blob_request2(), handle_read_by_group_type_request2(), handle_read_by_type_request2(), handle_read_multiple_request2(), handle_read_request2(), and handle_write_request().

static uint16_t setup_error_invalid_offset ( uint8_t *  response_buffer, uint16_t  request, uint16_t  handle  )

inlinestatic

References ATT_ERROR_INVALID_OFFSET, and setup_error().

Referenced by handle_read_blob_request2().

static uint16_t setup_error_read_not_permitted ( uint8_t *  response_buffer, uint16_t  request, uint16_t  start_handle  )

inlinestatic

References ATT_ERROR_READ_NOT_PERMITTED, and setup_error().

Referenced by handle_read_blob_request2(), handle_read_by_type_request2(), and handle_read_request2().

static uint16_t setup_error_write_not_permitted ( uint8_t *  response_buffer, uint16_t  request, uint16_t  start_handle  )

inlinestatic

References ATT_ERROR_WRITE_NOT_PERMITTED, and setup_error().

Referenced by handle_prepare_write_request(), and handle_write_request().

static uint16_t uuid16_from_uuid ( uint16_t  uuid_len, uint8_t *  uuid  )

static

References is_Bluetooth_Base_UUID(), and little_endian_read_16().

Referenced by handle_read_by_group_type_request2().

uint8_t const* att_db = NULL

static

Referenced by att_iterator_init(), and att_set_db().

uint8_t att_prepare_write_error_code = 0

static

Referenced by att_prepare_write_reset(), att_prepare_write_update_errors(), and handle_execute_write_request().

uint16_t att_prepare_write_error_handle = 0x0000

static

Referenced by att_prepare_write_reset(), att_prepare_write_update_errors(), and handle_execute_write_request().

att_read_callback_t att_read_callback = NULL

static

Referenced by att_read_callback_for_handle(), and att_set_read_callback().

att_write_callback_t att_write_callback = NULL

static

Referenced by att_notify_write_callbacks(), att_set_write_callback(), att_validate_prepared_write(), and att_write_callback_for_handle().

const uint8_t bluetooth_base_uuid[] = { 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }

static

Referenced by is_Bluetooth_Base_UUID().

btstack_linked_list_t service_handlers

static