gatt client protocol core functions More...

#include "att.h"
#include "bluetooth.h"
#include "uuid.h"
#include "gatt-helpers.h"
#include "util.h"
#include "queue.h"
#include "gatt-db.h"
#include "gatt-client.h"
#include <assert.h>
#include <limits.h>
#include <sys/uio.h>

Data Structures
struct	bt_gatt_client
	bluetooth GATT client structure More...

struct	request
	Request data structure. More...

struct	notify_chrc

struct	notify_data

struct	handle_range

struct	discovery_op

struct	chrc

struct	service_changed_op

struct	pdu_data

struct	read_op

struct	read_long_op

struct	write_op

struct	long_write_op

struct	prep_write_op

Macros
#define	MAX(a, b) ((a) > (b) ? (a) : (b))

#define	MIN(a, b) ((a) < (b) ? (a) : (b))

#define	UUID_BYTES (BT_GATT_UUID_SIZE * sizeof(uint8_t))

#define	GATT_SVC_UUID 0x1801

#define	SVC_CHNGD_UUID 0x2a05

Typedefs
typedef void(*	discovery_op_complete_func_t )(struct discovery_op *op, bool success, uint8_t att_ecode)

typedef void(*	discovery_op_fail_func_t )(struct discovery_op *op)

Functions
static struct request *	request_ref (struct request *req)

static struct request *	request_create (struct bt_gatt_client *client)

static void	request_unref (void *data)

static struct notify_data *	notify_data_ref (struct notify_data *notify_data)

static void	notify_data_unref (void *data)

static void	find_ccc (struct gatt_db_attribute attr, void user_data)

static struct notify_chrc *	notify_chrc_create (struct bt_gatt_client *client, uint16_t value_handle)

static void	notify_chrc_free (void *data)

static bool	match_notify_data_id (const void a, const void b)

static bool	match_notify_data_handle_range (const void a, const void b)

static bool	match_notify_chrc_handle_range (const void a, const void b)

static void	gatt_client_remove_all_notify_in_range (struct bt_gatt_client *client, uint16_t start_handle, uint16_t end_handle)

static void	gatt_client_remove_notify_chrcs_in_range (struct bt_gatt_client *client, uint16_t start_handle, uint16_t end_handle)

static void	discovery_op_free (struct discovery_op *op)

static struct discovery_op *	discovery_op_create (struct bt_gatt_client *client, uint16_t start, uint16_t end, discovery_op_complete_func_t complete_func, discovery_op_fail_func_t failure_func)

static struct discovery_op *	discovery_op_ref (struct discovery_op *op)

static void	discovery_op_unref (void *data)

static void	discovery_req_clear (struct bt_gatt_client *client)

static void	discover_chrcs_cb (bool success, uint8_t att_ecode, struct bt_gatt_result result, void user_data)

static void	discover_incl_cb (bool success, uint8_t att_ecode, struct bt_gatt_result result, void user_data)

static void	discover_descs_cb (bool success, uint8_t att_ecode, struct bt_gatt_result result, void user_data)

static bool	discover_descs (struct discovery_op op, bool discovering)

static void	discover_secondary_cb (bool success, uint8_t att_ecode, struct bt_gatt_result result, void user_data)

static void	discover_primary_cb (bool success, uint8_t att_ecode, struct bt_gatt_result result, void user_data)

static void	notify_client_ready (struct bt_gatt_client *client, bool success, uint8_t att_ecode)

static void	exchange_mtu_cb (bool success, uint8_t att_ecode, void *user_data)

static void	process_service_changed (struct bt_gatt_client *client, uint16_t start_handle, uint16_t end_handle)

static void	service_changed_cb (uint16_t value_handle, const uint8_t value, uint16_t length, void user_data)

static void	complete_notify_request (void *data)

static bool	notify_data_write_ccc (struct notify_data *notify_data, bool enable, bt_att_response_func_t callback)

static uint8_t	process_error (const void *pdu, uint16_t length)

static void	enable_ccc_callback (uint8_t opcode, const void pdu, uint16_t length, void user_data)

static bool	match_notify_chrc_value_handle (const void a, const void b)

static unsigned int	register_notify (struct bt_gatt_client client, uint16_t handle, bt_gatt_client_register_callback_t callback, bt_gatt_client_notify_callback_t notify, void user_data, bt_gatt_client_destroy_func_t destroy)

static void	get_first_attribute (struct gatt_db_attribute attrib, void user_data)

static void	service_changed_register_cb (uint16_t att_ecode, void *user_data)

static bool	register_service_changed (struct bt_gatt_client *client)

static void	service_changed_complete (struct discovery_op *op, bool success, uint8_t att_ecode)

static void	service_changed_failure (struct discovery_op *op)

static void	init_complete (struct discovery_op *op, bool success, uint8_t att_ecode)

static void	init_fail (struct discovery_op *op)

static bool	gatt_client_init (struct bt_gatt_client *client, uint16_t mtu)

static void	disable_ccc_callback (uint8_t opcode, const void pdu, uint16_t length, void user_data)

static void	complete_unregister_notify (void *data)

static void	notify_handler (void data, void user_data)

static void	notify_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

static void	notify_data_cleanup (void *data)

static void	bt_gatt_client_free (struct bt_gatt_client *client)

static void	att_disconnect_cb (int err, void *user_data)

struct bt_gatt_client *	bt_gatt_client_new (struct gatt_db db, struct bt_att att, uint16_t mtu)

struct bt_gatt_client *	bt_gatt_client_ref (struct bt_gatt_client *client)

void	bt_gatt_client_unref (struct bt_gatt_client *client)

bool	bt_gatt_client_is_ready (struct bt_gatt_client *client)

bool	bt_gatt_client_set_ready_handler (struct bt_gatt_client client, bt_gatt_client_callback_t callback, void user_data, bt_gatt_client_destroy_func_t destroy)

bool	bt_gatt_client_set_service_changed (struct bt_gatt_client client, bt_gatt_client_service_changed_callback_t callback, void user_data, bt_gatt_client_destroy_func_t destroy)

bool	bt_gatt_client_set_debug (struct bt_gatt_client client, bt_gatt_client_debug_func_t callback, void user_data, bt_gatt_client_destroy_func_t destroy)

uint16_t	bt_gatt_client_get_mtu (struct bt_gatt_client *client)

struct gatt_db *	bt_gatt_client_get_db (struct bt_gatt_client *client)

static bool	match_req_id (const void a, const void b)

static void	cancel_long_write_cb (uint8_t opcode, const void pdu, uint16_t len, void user_data)

static bool	cancel_long_write_req (struct bt_gatt_client client, struct request req)

static void	cancel_prep_write_cb (uint8_t opcode, const void pdu, uint16_t len, void user_data)

static bool	cancel_prep_write_session (struct bt_gatt_client client, struct request req)

static bool	cancel_request (struct request *req)

bool	bt_gatt_client_cancel (struct bt_gatt_client *client, unsigned int id)

bool	bt_gatt_client_cancel_all (struct bt_gatt_client *client)

static void	destroy_read_op (void *data)

static void	read_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

unsigned int	bt_gatt_client_read_value (struct bt_gatt_client client, uint16_t value_handle, bt_gatt_client_read_callback_t callback, void user_data, bt_gatt_client_destroy_func_t destroy)

static void	read_multiple_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

unsigned int	bt_gatt_client_read_multiple (struct bt_gatt_client client, uint16_t handles, uint8_t num_handles, bt_gatt_client_read_callback_t callback, void *user_data, bt_gatt_client_destroy_func_t destroy)

static void	destroy_read_long_op (void *data)

static bool	append_chunk (struct read_long_op op, const uint8_t data, uint16_t len)

static void	read_long_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

unsigned int	bt_gatt_client_read_long_value (struct bt_gatt_client client, uint16_t value_handle, uint16_t offset, bt_gatt_client_read_callback_t callback, void user_data, bt_gatt_client_destroy_func_t destroy)

unsigned int	bt_gatt_client_write_without_response (struct bt_gatt_client client, uint16_t value_handle, bool signed_write, const uint8_t value, uint16_t length)

static void	destroy_write_op (void *data)

static void	write_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

unsigned int	bt_gatt_client_write_value (struct bt_gatt_client client, uint16_t value_handle, const uint8_t value, uint16_t length, bt_gatt_client_callback_t callback, void *user_data, bt_gatt_client_destroy_func_t destroy)

static void	long_write_op_free (void *data)

static void	prepare_write_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

static void	complete_write_long_op (struct request *req, bool success, uint8_t att_ecode, bool reliable_error)

static void	handle_next_prep_write (struct request *req)

static void	start_next_long_write (struct bt_gatt_client *client)

static void	execute_write_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

unsigned int	bt_gatt_client_write_long_value (struct bt_gatt_client client, bool reliable, uint16_t value_handle, uint16_t offset, const uint8_t value, uint16_t length, bt_gatt_client_write_long_callback_t callback, void *user_data, bt_gatt_client_destroy_func_t destroy)

static void	destroy_prep_write_op (void *data)

static void	prep_write_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

static struct request *	get_reliable_request (struct bt_gatt_client *client, unsigned int id)

unsigned int	bt_gatt_client_prepare_write (struct bt_gatt_client client, unsigned int id, uint16_t value_handle, uint16_t offset, const uint8_t value, uint16_t length, bt_gatt_client_write_long_callback_t callback, void *user_data, bt_gatt_client_destroy_func_t destroy)

static void	exec_write_cb (uint8_t opcode, const void pdu, uint16_t length, void user_data)

unsigned int	bt_gatt_client_write_execute (struct bt_gatt_client client, unsigned int id, bt_gatt_client_callback_t callback, void user_data, bt_gatt_client_destroy_func_t destroy)

unsigned int	bt_gatt_client_register_notify (struct bt_gatt_client client, uint16_t chrc_value_handle, bt_gatt_client_register_callback_t callback, bt_gatt_client_notify_callback_t notify, void user_data, bt_gatt_client_destroy_func_t destroy)

bool	bt_gatt_client_unregister_notify (struct bt_gatt_client *client, unsigned int id)

bool	bt_gatt_client_set_security (struct bt_gatt_client *client, int level)

int	bt_gatt_client_get_security (struct bt_gatt_client *client)

Detailed Description

gatt client protocol core functions

Author: Gilbert Brault

Copyright: Gilbert Brault 2015 the original work comes from bluez v5.39 value add: documenting main features

Definition in file gatt-client.c.

Macro Definition Documentation

#define GATT_SVC_UUID 0x1801

Definition at line 56 of file gatt-client.c.

#define MAX	(	a,
		b
	)	((a) > (b) ? (a) : (b))

Definition at line 47 of file gatt-client.c.

Referenced by gatt_client_init().

#define MIN	(	a,
		b
	)	((a) < (b) ? (a) : (b))

Definition at line 51 of file gatt-client.c.

Referenced by bt_gatt_client_write_long_value(), and prepare_write_cb().

#define SVC_CHNGD_UUID 0x2a05

Definition at line 57 of file gatt-client.c.

Referenced by register_service_changed().

#define UUID_BYTES (BT_GATT_UUID_SIZE * sizeof(uint8_t))

Definition at line 54 of file gatt-client.c.

Typedef Documentation

typedef void(* discovery_op_complete_func_t)(struct discovery_op *op, bool success, uint8_t att_ecode)

Definition at line 372 of file gatt-client.c.

typedef void(* discovery_op_fail_func_t)(struct discovery_op *op)

Definition at line 375 of file gatt-client.c.

Function Documentation

static bool append_chunk	(	struct read_long_op *	op,
		const uint8_t *	data,
		uint16_t	len
	)

static

Definition at line 2197 of file gatt-client.c.

References BT_ATT_MAX_VALUE_LEN, read_long_op::iov, and read_long_op::offset.

Referenced by read_long_cb().

static void att_disconnect_cb	(	int	err,
		void *	user_data
	)

static

Definition at line 1716 of file gatt-client.c.

References bt_gatt_client::att, bt_att_unref(), bt_gatt_client::disc_id, bt_gatt_client::in_init, notify_client_ready(), and bt_gatt_client::ready.

Referenced by bt_gatt_client_new().

bool bt_gatt_client_cancel	(	struct bt_gatt_client *	client,
		unsigned int	id
	)

Definition at line 1959 of file gatt-client.c.

References bt_gatt_client::att, cancel_request(), match_req_id(), bt_gatt_client::pending_requests, queue_remove_if(), and UINT_TO_PTR.

Referenced by cmd_write_execute().

bool bt_gatt_client_cancel_all ( struct bt_gatt_client * client )

Definition at line 1974 of file gatt-client.c.

References bt_gatt_client::att, bt_att_cancel(), bt_gatt_request_cancel(), bt_gatt_request_unref(), cancel_request(), bt_gatt_client::discovery_req, bt_gatt_client::mtu_req_id, bt_gatt_client::pending_requests, and queue_remove_all().

Referenced by bt_gatt_client_free().

static void bt_gatt_client_free ( struct bt_gatt_client * client )

static

struct gatt_db* bt_gatt_client_get_db ( struct bt_gatt_client * client )

Definition at line 1881 of file gatt-client.c.

References bt_gatt_client::db.

uint16_t bt_gatt_client_get_mtu ( struct bt_gatt_client * client )

Definition at line 1873 of file gatt-client.c.

References bt_gatt_client::att, and bt_att_get_mtu().

int bt_gatt_client_get_security ( struct bt_gatt_client * client )

Definition at line 3063 of file gatt-client.c.

References bt_gatt_client::att, and bt_att_get_security().

Referenced by cmd_get_security().

bool bt_gatt_client_is_ready ( struct bt_gatt_client * client )

Definition at line 1815 of file gatt-client.c.

References bt_gatt_client::ready.

Referenced by bt_gatt_client_register_notify(), cmd_get_security(), cmd_read_long_value(), cmd_read_multiple(), cmd_read_value(), cmd_register_notify(), cmd_services(), cmd_set_security(), cmd_unregister_notify(), cmd_write_execute(), cmd_write_long_value(), cmd_write_prepare(), and cmd_write_value().

struct bt_gatt_client* bt_gatt_client_new	(	struct gatt_db *	db,
		struct bt_att *	att,
		uint16_t	mtu
	)

unsigned int bt_gatt_client_prepare_write	(	struct bt_gatt_client *	client,
		unsigned int	id,
		uint16_t	value_handle,
		uint16_t	offset,
		const uint8_t *	value,
		uint16_t	length,
		bt_gatt_client_write_long_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

unsigned int bt_gatt_client_read_long_value	(	struct bt_gatt_client *	client,
		uint16_t	value_handle,
		uint16_t	offset,
		bt_gatt_client_read_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 2279 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, BT_ATT_OP_READ_BLOB_REQ, bt_att_send(), read_long_op::callback, read_long_op::client, request::data, request::destroy, read_long_op::destroy, destroy_read_long_op(), request::id, new0, read_long_op::offset, put_le16(), read_long_cb(), request_create(), request_unref(), read_long_op::user_data, and read_long_op::value_handle.

Referenced by cmd_read_long_value().

unsigned int bt_gatt_client_read_multiple	(	struct bt_gatt_client *	client,
		uint16_t *	handles,
		uint8_t	num_handles,
		bt_gatt_client_read_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 2122 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, bt_att_get_mtu(), BT_ATT_OP_READ_MULT_REQ, bt_att_send(), read_op::callback, request::data, request::destroy, read_op::destroy, destroy_read_op(), request::id, new0, put_le16(), read_multiple_cb(), request_create(), request_unref(), and read_op::user_data.

Referenced by cmd_read_multiple().

unsigned int bt_gatt_client_read_value	(	struct bt_gatt_client *	client,
		uint16_t	value_handle,
		bt_gatt_client_read_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Parameters

client
value_handle
callback
user_data
destroy

Returns

Definition at line 2050 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, BT_ATT_OP_READ_REQ, bt_att_send(), read_op::callback, request::data, request::destroy, read_op::destroy, destroy_read_op(), request::id, new0, put_le16(), read_cb(), request_create(), request_unref(), and read_op::user_data.

Referenced by cmd_read_value().

struct bt_gatt_client* bt_gatt_client_ref ( struct bt_gatt_client * client )

Definition at line 1794 of file gatt-client.c.

References bt_gatt_client::ref_count.

Referenced by bt_gatt_client_new(), complete_write_long_op(), enable_ccc_callback(), execute_write_cb(), notify_cb(), and notify_client_ready().

unsigned int bt_gatt_client_register_notify	(	struct bt_gatt_client *	client,
		uint16_t	chrc_value_handle,
		bt_gatt_client_register_callback_t	callback,
		bt_gatt_client_notify_callback_t	notify,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 3018 of file gatt-client.c.

References bt_gatt_client_is_ready(), bt_gatt_client::db, bt_gatt_client::in_svc_chngd, and register_notify().

Referenced by cmd_register_notify().

bool bt_gatt_client_set_debug	(	struct bt_gatt_client *	client,
		bt_gatt_client_debug_func_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 1856 of file gatt-client.c.

References bt_gatt_client::debug_callback, bt_gatt_client::debug_data, and bt_gatt_client::debug_destroy.

Referenced by client_create().

bool bt_gatt_client_set_ready_handler	(	struct bt_gatt_client *	client,
		bt_gatt_client_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 1820 of file gatt-client.c.

References bt_gatt_client::ready_callback, bt_gatt_client::ready_data, and bt_gatt_client::ready_destroy.

Referenced by client_create().

bool bt_gatt_client_set_security	(	struct bt_gatt_client *	client,
		int	level
	)

Definition at line 3055 of file gatt-client.c.

References bt_gatt_client::att, and bt_att_set_security().

Referenced by cmd_set_security().

bool bt_gatt_client_set_service_changed	(	struct bt_gatt_client *	client,
		bt_gatt_client_service_changed_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 1838 of file gatt-client.c.

References bt_gatt_client::svc_chngd_callback, bt_gatt_client::svc_chngd_data, and bt_gatt_client::svc_chngd_destroy.

Referenced by client_create().

void bt_gatt_client_unref ( struct bt_gatt_client * client )

Definition at line 1804 of file gatt-client.c.

References bt_gatt_client_free(), and bt_gatt_client::ref_count.

Referenced by client_destroy(), complete_write_long_op(), enable_ccc_callback(), execute_write_cb(), notify_cb(), and notify_client_ready().

bool bt_gatt_client_unregister_notify	(	struct bt_gatt_client *	client,
		unsigned int	id
	)

Definition at line 3035 of file gatt-client.c.

References notify_chrc::ccc_write_id, notify_data::chrc, complete_unregister_notify(), match_notify_data_id(), notify_chrc::notify_count, bt_gatt_client::notify_list, queue_remove_if(), and UINT_TO_PTR.

Referenced by cmd_unregister_notify().

unsigned int bt_gatt_client_write_execute	(	struct bt_gatt_client *	client,
		unsigned int	id,
		bt_gatt_client_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 2966 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, BT_ATT_OP_EXEC_WRITE_REQ, bt_att_send(), write_op::callback, write_op::client, request::data, request::destroy, write_op::destroy, destroy_write_op(), exec_write_cb(), bt_gatt_client::in_long_write, match_req_id(), new0, bt_gatt_client::pending_requests, queue_find(), bt_gatt_client::reliable_write_session_id, request_unref(), UINT_TO_PTR, and write_op::user_data.

Referenced by cmd_write_execute().

unsigned int bt_gatt_client_write_long_value	(	struct bt_gatt_client *	client,
		bool	reliable,
		uint16_t	value_handle,
		uint16_t	offset,
		const uint8_t *	value,
		uint16_t	length,
		bt_gatt_client_write_long_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

unsigned int bt_gatt_client_write_value	(	struct bt_gatt_client *	client,
		uint16_t	value_handle,
		const uint8_t *	value,
		uint16_t	length,
		bt_gatt_client_callback_t	callback,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)

Definition at line 2405 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, BT_ATT_OP_WRITE_REQ, bt_att_send(), write_op::callback, request::data, request::destroy, write_op::destroy, destroy_write_op(), request::id, new0, put_le16(), request_create(), request_unref(), write_op::user_data, and write_cb().

Referenced by cmd_write_value().

unsigned int bt_gatt_client_write_without_response	(	struct bt_gatt_client *	client,
		uint16_t	value_handle,
		bool	signed_write,
		const uint8_t *	value,
		uint16_t	length
	)

Definition at line 2328 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, bt_att_get_security(), BT_ATT_OP_SIGNED_WRITE_CMD, BT_ATT_OP_WRITE_CMD, bt_att_send(), BT_SECURITY_LOW, request::id, put_le16(), request_create(), and request_unref().

Referenced by cmd_write_value().

static void cancel_long_write_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	len,
		void *	user_data
	)

static

Definition at line 1897 of file gatt-client.c.

References bt_gatt_client::in_long_write, bt_gatt_client::long_write_queue, and queue_isempty().

Referenced by cancel_long_write_req().

static bool cancel_long_write_req	(	struct bt_gatt_client *	client,
		struct request *	req
	)

static

Definition at line 1906 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, BT_ATT_OP_EXEC_WRITE_REQ, bt_att_send(), cancel_long_write_cb(), bt_gatt_client::long_write_queue, and queue_remove().

Referenced by cancel_request().

static void cancel_prep_write_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	len,
		void *	user_data
	)

static

Definition at line 1926 of file gatt-client.c.

References request::client, and bt_gatt_client::reliable_write_session_id.

Referenced by cancel_prep_write_session().

static bool cancel_prep_write_session	(	struct bt_gatt_client *	client,
		struct request *	req
	)

static

Definition at line 1935 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_OP_EXEC_WRITE_REQ, bt_att_send(), cancel_prep_write_cb(), and request_unref().

Referenced by cancel_request().

static bool cancel_request ( struct request * req )

static

Definition at line 1946 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, bt_att_cancel(), cancel_long_write_req(), cancel_prep_write_session(), request::client, request::long_write, request::prep_write, and request::removed.

Referenced by bt_gatt_client_cancel(), and bt_gatt_client_cancel_all().

static void complete_notify_request ( void * data )

static

Definition at line 1149 of file gatt-client.c.

References notify_data::att_id, notify_data::callback, notify_data::chrc, notify_chrc::notify_count, and notify_data::user_data.

Referenced by enable_ccc_callback(), and register_notify().

static void complete_unregister_notify ( void * data )

static

Definition at line 1608 of file gatt-client.c.

References bt_gatt_client::att, notify_data::att_id, bt_att_cancel(), notify_chrc::ccc_handle, notify_data::chrc, notify_data::client, disable_ccc_callback(), notify_chrc::notify_count, notify_data_unref(), and notify_data_write_ccc().

Referenced by bt_gatt_client_unregister_notify().

static void complete_write_long_op	(	struct request *	req,
		bool	success,
		uint8_t	att_ecode,
		bool	reliable_error
	)

static

Definition at line 2571 of file gatt-client.c.

References bt_gatt_client::att, long_write_op::att_ecode, request::att_id, BT_ATT_OP_EXEC_WRITE_REQ, bt_att_send(), bt_gatt_client_ref(), bt_gatt_client_unref(), long_write_op::callback, long_write_op::client, request::data, execute_write_cb(), long_write_op::reliable_error, request_ref(), request_unref(), start_next_long_write(), long_write_op::success, and long_write_op::user_data.

Referenced by handle_next_prep_write(), and prepare_write_cb().

static void destroy_prep_write_op ( void * data )

static

Definition at line 2768 of file gatt-client.c.

References prep_write_op::destroy, prep_write_op::pdu, and prep_write_op::user_data.

Referenced by bt_gatt_client_prepare_write().

static void destroy_read_long_op ( void * data )

static

Definition at line 2186 of file gatt-client.c.

References read_long_op::destroy, read_long_op::iov, and read_long_op::user_data.

Referenced by bt_gatt_client_read_long_value().

static void destroy_read_op ( void * data )

static

Definition at line 2000 of file gatt-client.c.

References read_op::destroy, and read_op::user_data.

Referenced by bt_gatt_client_read_multiple(), and bt_gatt_client_read_value().

static void destroy_write_op ( void * data )

static

Definition at line 2373 of file gatt-client.c.

References write_op::destroy, and write_op::user_data.

Referenced by bt_gatt_client_write_execute(), and bt_gatt_client_write_value().

static void disable_ccc_callback	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 1586 of file gatt-client.c.

References notify_chrc::ccc_write_id, notify_data::chrc, enable_ccc_callback(), notify_chrc::notify_count, notify_data_write_ccc(), queue_pop_head(), notify_chrc::reg_notify_queue, and notify_data::user_data.

Referenced by complete_unregister_notify().

static void discover_chrcs_cb	(	bool	success,
		uint8_t	att_ecode,
		struct bt_gatt_result *	result,
		void *	user_data
	)

static

Definition at line 771 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_ERROR_ATTRIBUTE_NOT_FOUND, bt_gatt_discover_characteristics(), bt_gatt_iter_init(), bt_gatt_iter_next_characteristic(), bt_gatt_result_characteristic_count(), bt_uuid128_create(), bt_uuid_to_string(), discovery_op::client, discovery_op::complete_func, discovery_op::cur_svc, uint128_t::data, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, discover_descs(), discovery_op_ref(), discovery_op_unref(), bt_gatt_client::discovery_req, discovery_req_clear(), chrc::end_handle, gatt_db_attribute_get_service_handles(), gatt_db_service_set_active(), MAX_LEN_UUID_STR, new0, discovery_op::pending_chrcs, discovery_op::pending_svcs, chrc::properties, queue_pop_head(), queue_push_tail(), chrc::start_handle, discovery_op::success, util_debug(), chrc::uuid, and chrc::value_handle.

Referenced by discover_descs_cb(), and discover_incl_cb().

static bool discover_descs	(	struct discovery_op *	op,
		bool *	discovering
	)

static

static void discover_descs_cb	(	bool	success,
		uint8_t	att_ecode,
		struct bt_gatt_result *	result,
		void *	user_data
	)

static

Definition at line 673 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_ERROR_ATTRIBUTE_NOT_FOUND, bt_gatt_discover_characteristics(), bt_gatt_iter_init(), bt_gatt_iter_next_descriptor(), bt_gatt_result_descriptor_count(), bt_uuid128_create(), bt_uuid_to_string(), discovery_op::client, discovery_op::complete_func, discovery_op::cur_svc, uint128_t::data, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, discover_chrcs_cb(), discover_descs(), discovery_op_ref(), discovery_op_unref(), bt_gatt_client::discovery_req, discovery_req_clear(), gatt_db_attribute_get_handle(), gatt_db_attribute_get_service_handles(), gatt_db_service_insert_descriptor(), gatt_db_service_set_active(), gatt_db_attribute::handle, MAX_LEN_UUID_STR, discovery_op::pending_svcs, queue_pop_head(), discovery_op::success, util_debug(), and gatt_db_attribute::uuid.

Referenced by discover_descs().

static void discover_incl_cb	(	bool	success,
		uint8_t	att_ecode,
		struct bt_gatt_result *	result,
		void *	user_data
	)

static

Definition at line 468 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_ERROR_ATTRIBUTE_NOT_FOUND, bt_gatt_discover_characteristics(), bt_gatt_discover_included_services(), bt_gatt_iter_init(), bt_gatt_iter_next_included_service(), bt_gatt_result_included_count(), bt_uuid128_create(), bt_uuid_to_string(), discovery_op::client, discovery_op::complete_func, discovery_op::cur_svc, uint128_t::data, bt_gatt_client::db, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, discover_chrcs_cb(), discovery_op_ref(), discovery_op_unref(), bt_gatt_client::discovery_req, discovery_req_clear(), gatt_db_attribute_get_handle(), gatt_db_attribute_get_service_handles(), gatt_db_get_attribute(), gatt_db_service_add_included(), gatt_db_attribute::handle, MAX_LEN_UUID_STR, discovery_op::pending_svcs, queue_pop_head(), queue_push_tail(), discovery_op::success, discovery_op::tmp_queue, util_debug(), and gatt_db_attribute::uuid.

Referenced by discover_secondary_cb().

static void discover_primary_cb	(	bool	success,
		uint8_t	att_ecode,
		struct bt_gatt_result *	result,
		void *	user_data
	)

static

Definition at line 986 of file gatt-client.c.

References bt_gatt_client::att, bt_gatt_discover_secondary_services(), bt_gatt_iter_init(), bt_gatt_iter_next_service(), bt_gatt_result_service_count(), bt_uuid128_create(), bt_uuid_to_string(), discovery_op::client, discovery_op::complete_func, uint128_t::data, bt_gatt_client::db, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, discover_secondary_cb(), discovery_op_ref(), discovery_op_unref(), bt_gatt_client::discovery_req, discovery_req_clear(), discovery_op::end, gatt_db_clear_range(), gatt_db_insert_service(), gatt_db_service_get_active(), MAX_LEN_UUID_STR, discovery_op::pending_svcs, queue_isempty(), queue_push_tail(), discovery_op::start, discovery_op::success, util_debug(), and gatt_db_attribute::uuid.

Referenced by exchange_mtu_cb(), and process_service_changed().

static void discover_secondary_cb	(	bool	success,
		uint8_t	att_ecode,
		struct bt_gatt_result *	result,
		void *	user_data
	)

static

Definition at line 880 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_ERROR_ATTRIBUTE_NOT_FOUND, BT_ATT_ERROR_UNSUPPORTED_GROUP_TYPE, bt_gatt_discover_included_services(), bt_gatt_iter_init(), bt_gatt_iter_next_service(), bt_gatt_result_service_count(), bt_uuid128_create(), bt_uuid_to_string(), discovery_op::client, discovery_op::complete_func, discovery_op::cur_svc, uint128_t::data, bt_gatt_client::db, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, discover_incl_cb(), discovery_op_ref(), discovery_op_unref(), bt_gatt_client::discovery_req, discovery_req_clear(), gatt_db_attribute_get_service_handles(), gatt_db_clear_range(), gatt_db_insert_service(), gatt_db_service_get_active(), MAX_LEN_UUID_STR, discovery_op::pending_svcs, queue_pop_head(), queue_push_tail(), discovery_op::success, discovery_op::tmp_queue, util_debug(), and gatt_db_attribute::uuid.

Referenced by discover_primary_cb().

static struct discovery_op* discovery_op_create	(	struct bt_gatt_client *	client,
		uint16_t	start,
		uint16_t	end,
		discovery_op_complete_func_t	complete_func,
		discovery_op_fail_func_t	failure_func
	)

static

Definition at line 399 of file gatt-client.c.

References discovery_op::client, discovery_op::complete_func, discovery_op_free(), discovery_op::end, discovery_op::failure_func, new0, discovery_op::pending_chrcs, discovery_op::pending_svcs, queue_new(), discovery_op::start, and discovery_op::tmp_queue.

Referenced by gatt_client_init(), and process_service_changed().

static void discovery_op_free ( struct discovery_op * op )

static

Definition at line 391 of file gatt-client.c.

References discovery_op::pending_chrcs, discovery_op::pending_svcs, queue_destroy(), and discovery_op::tmp_queue.

Referenced by discovery_op_create(), discovery_op_unref(), gatt_client_init(), and process_service_changed().

static struct discovery_op* discovery_op_ref ( struct discovery_op * op )

static

Definition at line 435 of file gatt-client.c.

References discovery_op::ref_count.

Referenced by discover_chrcs_cb(), discover_descs(), discover_descs_cb(), discover_incl_cb(), discover_primary_cb(), discover_secondary_cb(), exchange_mtu_cb(), gatt_client_init(), and process_service_changed().

static void discovery_op_unref ( void * data )

static

Definition at line 442 of file gatt-client.c.

References discovery_op_free(), discovery_op::failure_func, discovery_op::ref_count, and discovery_op::success.

Referenced by discover_chrcs_cb(), discover_descs(), discover_descs_cb(), discover_incl_cb(), discover_primary_cb(), discover_secondary_cb(), exchange_mtu_cb(), gatt_client_init(), and process_service_changed().

static void discovery_req_clear ( struct bt_gatt_client * client )

static

Definition at line 455 of file gatt-client.c.

References bt_gatt_request_unref(), and bt_gatt_client::discovery_req.

Referenced by discover_chrcs_cb(), discover_descs_cb(), discover_incl_cb(), discover_primary_cb(), and discover_secondary_cb().

static void enable_ccc_callback	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

static void exchange_mtu_cb	(	bool	success,
		uint8_t	att_ecode,
		void *	user_data
	)

static

Definition at line 1087 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_ERROR_REQUEST_NOT_SUPPORTED, bt_att_get_mtu(), bt_gatt_discover_all_primary_services(), discovery_op::client, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, discover_primary_cb(), discovery_op_ref(), discovery_op_unref(), bt_gatt_client::discovery_req, bt_gatt_client::in_init, bt_gatt_client::mtu_req_id, notify_client_ready(), discovery_op::success, and util_debug().

Referenced by gatt_client_init().

static void exec_write_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 2934 of file gatt-client.c.

References BT_ATT_OP_ERROR_RSP, BT_ATT_OP_EXEC_WRITE_RSP, write_op::callback, write_op::client, request::data, process_error(), bt_gatt_client::reliable_write_session_id, start_next_long_write(), and write_op::user_data.

Referenced by bt_gatt_client_write_execute().

static void execute_write_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 2546 of file gatt-client.c.

References long_write_op::att_ecode, BT_ATT_OP_ERROR_RSP, BT_ATT_OP_EXEC_WRITE_RSP, bt_gatt_client_ref(), bt_gatt_client_unref(), long_write_op::callback, long_write_op::client, request::data, process_error(), long_write_op::reliable_error, start_next_long_write(), long_write_op::success, and long_write_op::user_data.

Referenced by complete_write_long_op().

static void find_ccc	(	struct gatt_db_attribute *	attr,
		void *	user_data
	)

static

Definition at line 239 of file gatt-client.c.

References bt_uuid16_create(), bt_uuid_cmp(), GATT_CLIENT_CHARAC_CFG_UUID, gatt_db_attribute_get_type(), gatt_db_attribute::user_data, and gatt_db_attribute::uuid.

Referenced by notify_chrc_create().

static bool gatt_client_init	(	struct bt_gatt_client *	client,
		uint16_t	mtu
	)

static

Definition at line 1553 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_DEFAULT_LE_MTU, bt_gatt_exchange_mtu(), discovery_op_create(), discovery_op_free(), discovery_op_ref(), discovery_op_unref(), exchange_mtu_cb(), bt_gatt_client::in_init, init_complete(), init_fail(), MAX, bt_gatt_client::mtu_req_id, and bt_gatt_client::ready.

Referenced by bt_gatt_client_new().

static void gatt_client_remove_all_notify_in_range	(	struct bt_gatt_client *	client,
		uint16_t	start_handle,
		uint16_t	end_handle
	)

static

Definition at line 344 of file gatt-client.c.

References handle_range::end, match_notify_data_handle_range(), notify_data_unref(), bt_gatt_client::notify_list, queue_remove_all(), and handle_range::start.

Referenced by process_service_changed().

static void gatt_client_remove_notify_chrcs_in_range	(	struct bt_gatt_client *	client,
		uint16_t	start_handle,
		uint16_t	end_handle
	)

static

Definition at line 357 of file gatt-client.c.

References handle_range::end, match_notify_chrc_handle_range(), notify_chrc_free(), bt_gatt_client::notify_chrcs, queue_remove_all(), and handle_range::start.

Referenced by process_service_changed().

static void get_first_attribute	(	struct gatt_db_attribute *	attrib,
		void *	user_data
	)

static

Definition at line 1331 of file gatt-client.c.

References gatt_db_attribute::user_data.

Referenced by register_service_changed().

static struct request* get_reliable_request	(	struct bt_gatt_client *	client,
		unsigned int	id
	)

static

Definition at line 2819 of file gatt-client.c.

References request::data, match_req_id(), new0, bt_gatt_client::pending_requests, queue_find(), request_create(), and UINT_TO_PTR.

Referenced by bt_gatt_client_prepare_write().

static void handle_next_prep_write ( struct request * req )

static

Definition at line 2485 of file gatt-client.c.

References bt_gatt_client::att, request::att_id, BT_ATT_OP_PREP_WRITE_REQ, bt_att_send(), long_write_op::client, complete_write_long_op(), long_write_op::cur_length, request::data, long_write_op::index, long_write_op::offset, prepare_write_cb(), put_le16(), request_ref(), request_unref(), long_write_op::success, long_write_op::value, and long_write_op::value_handle.

Referenced by prepare_write_cb(), and start_next_long_write().

static void init_complete	(	struct discovery_op *	op,
		bool	success,
		uint8_t	att_ecode
	)

static

Definition at line 1519 of file gatt-client.c.

References discovery_op::client, bt_gatt_client::debug_callback, bt_gatt_client::debug_data, bt_gatt_client::in_init, notify_client_ready(), register_service_changed(), discovery_op::success, and util_debug().

Referenced by gatt_client_init().

static void init_fail ( struct discovery_op * op )

static

Definition at line 1546 of file gatt-client.c.

References discovery_op::client, bt_gatt_client::db, and gatt_db_clear().

Referenced by gatt_client_init().

static void long_write_op_free ( void * data )

static

Definition at line 2469 of file gatt-client.c.

References long_write_op::destroy, long_write_op::user_data, and long_write_op::value.

Referenced by bt_gatt_client_write_long_value().

static bool match_notify_chrc_handle_range	(	const void *	a,
		const void *	b
	)

static

Definition at line 335 of file gatt-client.c.

References handle_range::end, handle_range::start, and notify_chrc::value_handle.

Referenced by gatt_client_remove_notify_chrcs_in_range().

static bool match_notify_chrc_value_handle	(	const void *	a,
		const void *	b
	)

static

Definition at line 1247 of file gatt-client.c.

References PTR_TO_UINT, and notify_chrc::value_handle.

Referenced by register_notify().

static bool match_notify_data_handle_range	(	const void *	a,
		const void *	b
	)

static

Definition at line 325 of file gatt-client.c.

References notify_data::chrc, handle_range::end, handle_range::start, and notify_chrc::value_handle.

Referenced by gatt_client_remove_all_notify_in_range().

static bool match_notify_data_id	(	const void *	a,
		const void *	b
	)

static

Definition at line 312 of file gatt-client.c.

References notify_data::id, and PTR_TO_UINT.

Referenced by bt_gatt_client_unregister_notify().

static bool match_req_id	(	const void *	a,
		const void *	b
	)

static

Definition at line 1889 of file gatt-client.c.

References request::id, and PTR_TO_UINT.

Referenced by bt_gatt_client_cancel(), bt_gatt_client_write_execute(), and get_reliable_request().

static void notify_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 1656 of file gatt-client.c.

References bt_gatt_client::att, BT_ATT_OP_HANDLE_VAL_CONF, BT_ATT_OP_HANDLE_VAL_IND, bt_att_send(), bt_gatt_client_ref(), bt_gatt_client_unref(), pdu_data::length, notify_handler(), bt_gatt_client::notify_list, pdu_data::pdu, and queue_foreach().

Referenced by bt_gatt_client_new().

static struct notify_chrc* notify_chrc_create	(	struct bt_gatt_client *	client,
		uint16_t	value_handle
	)

static

static void notify_chrc_free ( void * data )

static

Definition at line 304 of file gatt-client.c.

References notify_data_unref(), queue_destroy(), and notify_chrc::reg_notify_queue.

Referenced by bt_gatt_client_free(), and gatt_client_remove_notify_chrcs_in_range().

static void notify_client_ready	(	struct bt_gatt_client *	client,
		bool	success,
		uint8_t	att_ecode
	)

static

Definition at line 1075 of file gatt-client.c.

References bt_gatt_client_ref(), bt_gatt_client_unref(), bt_gatt_client::ready, bt_gatt_client::ready_callback, and bt_gatt_client::ready_data.

Referenced by att_disconnect_cb(), exchange_mtu_cb(), init_complete(), and service_changed_register_cb().

static void notify_data_cleanup ( void * data )

static

Definition at line 1677 of file gatt-client.c.

References bt_gatt_client::att, notify_data::att_id, bt_att_cancel(), notify_data::client, and notify_data_unref().

Referenced by bt_gatt_client_free().

static struct notify_data* notify_data_ref ( struct notify_data * notify_data )

static

Definition at line 219 of file gatt-client.c.

References notify_data::ref_count.

Referenced by notify_data_write_ccc().

static void notify_data_unref ( void * data )

static

Definition at line 226 of file gatt-client.c.

References notify_data::destroy, notify_data::ref_count, and notify_data::user_data.

Referenced by complete_unregister_notify(), gatt_client_remove_all_notify_in_range(), notify_chrc_free(), notify_data_cleanup(), and notify_data_write_ccc().

static bool notify_data_write_ccc	(	struct notify_data *	notify_data,
		bool	enable,
		bt_att_response_func_t	callback
	)

static

Definition at line 1160 of file gatt-client.c.

References bt_gatt_client::att, notify_data::att_id, BT_ATT_OP_WRITE_REQ, bt_att_send(), BT_GATT_CHRC_PROP_INDICATE, BT_GATT_CHRC_PROP_NOTIFY, notify_chrc::ccc_handle, notify_chrc::ccc_write_id, notify_data::chrc, notify_data::client, notify_data_ref(), notify_data_unref(), notify_data::pdu, notify_chrc::properties, and put_le16().

Referenced by complete_unregister_notify(), disable_ccc_callback(), enable_ccc_callback(), and register_notify().

static void notify_handler	(	void *	data,
		void *	user_data
	)

static

Definition at line 1632 of file gatt-client.c.

References notify_data::chrc, get_le16(), pdu_data::length, notify_data::notify, pdu_data::pdu, notify_data::user_data, and notify_chrc::value_handle.

Referenced by notify_cb().

static void prep_write_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 2779 of file gatt-client.c.

References BT_ATT_OP_ERROR_RSP, BT_ATT_OP_PREP_WRITE_RSP, prep_write_op::callback, request::data, prep_write_op::pdu, prep_write_op::pdu_len, process_error(), and prep_write_op::user_data.

Referenced by bt_gatt_client_prepare_write().

static void prepare_write_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

static uint8_t process_error	(	const void *	pdu,
		uint16_t	length
	)

static

Definition at line 1193 of file gatt-client.c.

References bt_att_pdu_error_rsp::ecode.

Referenced by enable_ccc_callback(), exec_write_cb(), execute_write_cb(), prep_write_cb(), prepare_write_cb(), read_cb(), read_long_cb(), read_multiple_cb(), and write_cb().

static void process_service_changed	(	struct bt_gatt_client *	client,
		uint16_t	start_handle,
		uint16_t	end_handle
	)

static

static void read_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 2010 of file gatt-client.c.

References BT_ATT_OP_ERROR_RSP, BT_ATT_OP_READ_RSP, read_op::callback, request::data, process_error(), and read_op::user_data.

Referenced by bt_gatt_client_read_value().

static void read_long_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 2220 of file gatt-client.c.

References append_chunk(), bt_gatt_client::att, request::att_id, bt_att_get_mtu(), BT_ATT_MAX_VALUE_LEN, BT_ATT_OP_ERROR_RSP, BT_ATT_OP_READ_BLOB_REQ, BT_ATT_OP_READ_BLOB_RSP, bt_att_send(), read_long_op::callback, read_long_op::client, request::data, read_long_op::iov, read_long_op::offset, process_error(), put_le16(), request_ref(), request_unref(), read_long_op::user_data, and read_long_op::value_handle.

Referenced by bt_gatt_client_read_long_value().

static void read_multiple_cb	(	uint8_t	opcode,
		const void *	pdu,
		uint16_t	length,
		void *	user_data
	)

static

Definition at line 2095 of file gatt-client.c.

References BT_ATT_OP_ERROR_RSP, BT_ATT_OP_READ_MULT_RSP, read_op::callback, request::data, process_error(), and read_op::user_data.

Referenced by bt_gatt_client_read_multiple().

static unsigned int register_notify	(	struct bt_gatt_client *	client,
		uint16_t	handle,
		bt_gatt_client_register_callback_t	callback,
		bt_gatt_client_notify_callback_t	notify,
		void *	user_data,
		bt_gatt_client_destroy_func_t	destroy
	)