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664 lines
26 KiB
664 lines
26 KiB
/******************************************************************************
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*
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* Copyright 1999-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifndef GATT_INT_H
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#define GATT_INT_H
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#include "bt_target.h"
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#include "btm_ble_api.h"
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#include "btu.h"
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#include "gatt_api.h"
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#include "osi/include/fixed_queue.h"
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#include <base/bind.h>
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#include <base/strings/stringprintf.h>
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#include <string.h>
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#include <list>
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#include <unordered_set>
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#include <vector>
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#define GATT_CREATE_CONN_ID(tcb_idx, gatt_if) \
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((uint16_t)((((uint8_t)(tcb_idx)) << 8) | ((uint8_t)(gatt_if))))
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#define GATT_GET_TCB_IDX(conn_id) ((uint8_t)(((uint16_t)(conn_id)) >> 8))
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#define GATT_GET_GATT_IF(conn_id) ((tGATT_IF)((uint8_t)(conn_id)))
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#define GATT_TRANS_ID_MAX 0x0fffffff /* 4 MSB is reserved */
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/* security action for GATT write and read request */
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typedef enum : uint8_t {
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GATT_SEC_NONE = 0,
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GATT_SEC_OK = 1,
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GATT_SEC_SIGN_DATA = 2, /* compute the signature for the write cmd */
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GATT_SEC_ENCRYPT = 3, /* encrypt the link with current key */
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GATT_SEC_ENCRYPT_NO_MITM = 4, /* unauthenticated encryption or better */
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GATT_SEC_ENCRYPT_MITM = 5, /* authenticated encryption */
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GATT_SEC_ENC_PENDING = 6, /* wait for link encryption pending */
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} tGATT_SEC_ACTION;
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#define CASE_RETURN_TEXT(code) \
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case code: \
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return #code
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inline std::string gatt_security_action_text(const tGATT_SEC_ACTION& action) {
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switch (action) {
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CASE_RETURN_TEXT(GATT_SEC_NONE);
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CASE_RETURN_TEXT(GATT_SEC_OK);
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CASE_RETURN_TEXT(GATT_SEC_SIGN_DATA);
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CASE_RETURN_TEXT(GATT_SEC_ENCRYPT);
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CASE_RETURN_TEXT(GATT_SEC_ENCRYPT_NO_MITM);
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CASE_RETURN_TEXT(GATT_SEC_ENCRYPT_MITM);
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CASE_RETURN_TEXT(GATT_SEC_ENC_PENDING);
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default:
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return std::string("UNKNOWN[%hhu]", action);
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}
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}
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#undef CASE_RETURN_TEXT
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#define GATT_INDEX_INVALID 0xff
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#define GATT_WRITE_CMD_MASK 0xc0 /*0x1100-0000*/
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#define GATT_AUTH_SIGN_MASK 0x80 /*0x1000-0000*/
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#define GATT_AUTH_SIGN_LEN 12
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#define GATT_HDR_SIZE 3 /* 1B opcode + 2B handle */
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/* wait for ATT cmd response timeout value */
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#define GATT_WAIT_FOR_RSP_TIMEOUT_MS (30 * 1000)
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#define GATT_WAIT_FOR_DISC_RSP_TIMEOUT_MS (5 * 1000)
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#define GATT_REQ_RETRY_LIMIT 2
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#define GATT_SEC_FLAG_LKEY_UNAUTHED BTM_SEC_FLAG_LKEY_KNOWN
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#define GATT_SEC_FLAG_LKEY_AUTHED BTM_SEC_FLAG_LKEY_AUTHED
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#define GATT_SEC_FLAG_ENCRYPTED BTM_SEC_FLAG_ENCRYPTED
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typedef uint8_t tGATT_SEC_FLAG;
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/* Find Information Response Type
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*/
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#define GATT_INFO_TYPE_PAIR_16 0x01
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#define GATT_INFO_TYPE_PAIR_128 0x02
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constexpr bool kGattConnected = true;
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constexpr bool kGattDisconnected = !kGattConnected;
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/* GATT client FIND_TYPE_VALUE_Request data */
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typedef struct {
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bluetooth::Uuid uuid; /* type of attribute to be found */
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uint16_t s_handle; /* starting handle */
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uint16_t e_handle; /* ending handle */
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uint16_t value_len; /* length of the attribute value */
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uint8_t
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value[GATT_MAX_MTU_SIZE]; /* pointer to the attribute value to be found */
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} tGATT_FIND_TYPE_VALUE;
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/* client request message to ATT protocol
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*/
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typedef union {
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tGATT_READ_BY_TYPE browse; /* read by type request */
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tGATT_FIND_TYPE_VALUE find_type_value; /* find by type value */
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tGATT_READ_MULTI read_multi; /* read multiple request */
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tGATT_READ_PARTIAL read_blob; /* read blob */
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tGATT_VALUE attr_value; /* write request */
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/* prepare write */
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/* write blob */
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uint16_t handle; /* read, handle value confirmation */
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uint16_t mtu;
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tGATT_EXEC_FLAG exec_write; /* execute write */
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} tGATT_CL_MSG;
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/* error response strucutre */
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typedef struct {
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uint16_t handle;
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uint8_t cmd_code;
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uint8_t reason;
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} tGATT_ERROR;
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/* server response message to ATT protocol
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*/
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typedef union {
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/* data type member event */
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tGATT_VALUE attr_value; /* READ, HANDLE_VALUE_IND, PREPARE_WRITE */
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/* READ_BLOB, READ_BY_TYPE */
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tGATT_ERROR error; /* ERROR_RSP */
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uint16_t handle; /* WRITE, WRITE_BLOB */
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uint16_t mtu; /* exchange MTU request */
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} tGATT_SR_MSG;
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/* Characteristic declaration attribute value
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*/
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typedef struct {
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tGATT_CHAR_PROP property;
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uint16_t char_val_handle;
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} tGATT_CHAR_DECL;
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/* attribute value maintained in the server database
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*/
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typedef union {
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bluetooth::Uuid uuid; /* service declaration */
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tGATT_CHAR_DECL char_decl; /* characteristic declaration */
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tGATT_INCL_SRVC incl_handle; /* included service */
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uint16_t char_ext_prop; /* Characteristic Extended Properties */
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} tGATT_ATTR_VALUE;
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/* Attribute UUID type
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*/
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#define GATT_ATTR_UUID_TYPE_16 0
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#define GATT_ATTR_UUID_TYPE_128 1
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#define GATT_ATTR_UUID_TYPE_32 2
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typedef uint8_t tGATT_ATTR_UUID_TYPE;
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/* 16 bits UUID Attribute in server database
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*/
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typedef struct {
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std::unique_ptr<tGATT_ATTR_VALUE> p_value;
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tGATT_PERM permission;
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uint16_t handle;
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bluetooth::Uuid uuid;
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bt_gatt_db_attribute_type_t gatt_type;
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} tGATT_ATTR;
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/* Service Database definition
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*/
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typedef struct {
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std::vector<tGATT_ATTR> attr_list; /* pointer to the attributes */
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uint16_t end_handle; /* Last handle number */
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uint16_t next_handle; /* Next usable handle value */
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} tGATT_SVC_DB;
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/* Data Structure used for GATT server */
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/* An GATT registration record consists of a handle, and 1 or more attributes */
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/* A service registration information record consists of beginning and ending */
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/* attribute handle, service UUID and a set of GATT server callback. */
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typedef struct {
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bluetooth::Uuid app_uuid128;
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tGATT_CBACK app_cb{};
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tGATT_IF gatt_if{0}; /* one based */
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bool in_use{false};
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uint8_t listening{0}; /* if adv for all has been enabled */
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bool eatt_support{false};
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std::string name;
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} tGATT_REG;
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struct tGATT_CLCB;
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/* command queue for each connection */
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typedef struct {
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BT_HDR* p_cmd;
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tGATT_CLCB* p_clcb;
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uint8_t op_code;
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bool to_send;
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uint16_t cid;
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} tGATT_CMD_Q;
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#if GATT_MAX_SR_PROFILES <= 8
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typedef uint8_t tGATT_APP_MASK;
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#elif GATT_MAX_SR_PROFILES <= 16
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typedef uint16_t tGATT_APP_MASK;
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#elif GATT_MAX_SR_PROFILES <= 32
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typedef uint32_t tGATT_APP_MASK;
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#endif
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/* command details for each connection */
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typedef struct {
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BT_HDR* p_rsp_msg;
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uint32_t trans_id;
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tGATT_READ_MULTI multi_req;
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fixed_queue_t* multi_rsp_q;
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uint16_t handle;
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uint8_t op_code;
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uint8_t status;
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uint8_t cback_cnt[GATT_MAX_APPS];
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uint16_t cid;
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} tGATT_SR_CMD;
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typedef enum : uint8_t {
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GATT_CH_CLOSE = 0,
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GATT_CH_CLOSING = 1,
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GATT_CH_CONN = 2,
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GATT_CH_CFG = 3,
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GATT_CH_OPEN = 4,
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} tGATT_CH_STATE;
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#define CASE_RETURN_TEXT(code) \
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case code: \
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return #code
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inline std::string gatt_channel_state_text(const tGATT_CH_STATE& state) {
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switch (state) {
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CASE_RETURN_TEXT(GATT_CH_CLOSE);
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CASE_RETURN_TEXT(GATT_CH_CLOSING);
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CASE_RETURN_TEXT(GATT_CH_CONN);
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CASE_RETURN_TEXT(GATT_CH_CFG);
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CASE_RETURN_TEXT(GATT_CH_OPEN);
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default:
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return std::string("UNKNOWN[%hhu]", state);
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}
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}
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#undef CASE_RETURN_TEXT
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#define GATT_GATT_START_HANDLE 1
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#define GATT_GAP_START_HANDLE 20
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#define GATT_APP_START_HANDLE 40
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typedef struct hdl_cfg {
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uint16_t gatt_start_hdl;
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uint16_t gap_start_hdl;
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uint16_t app_start_hdl;
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} tGATT_HDL_CFG;
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typedef struct hdl_list_elem {
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tGATTS_HNDL_RANGE asgn_range; /* assigned handle range */
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tGATT_SVC_DB svc_db;
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} tGATT_HDL_LIST_ELEM;
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/* Data Structure used for GATT server */
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/* A GATT registration record consists of a handle, and 1 or more attributes */
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/* A service registration information record consists of beginning and ending */
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/* attribute handle, service UUID and a set of GATT server callback. */
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typedef struct {
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tGATT_SVC_DB* p_db; /* pointer to the service database */
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bluetooth::Uuid app_uuid; /* application UUID */
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uint32_t sdp_handle; /* primamry service SDP handle */
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uint16_t type; /* service type UUID, primary or secondary */
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uint16_t s_hdl; /* service starting handle */
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uint16_t e_hdl; /* service ending handle */
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tGATT_IF gatt_if; /* this service is belong to which application */
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bool is_primary;
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} tGATT_SRV_LIST_ELEM;
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typedef struct {
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std::queue<tGATT_CLCB*> pending_enc_clcb; /* pending encryption channel q */
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tGATT_SEC_ACTION sec_act;
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RawAddress peer_bda;
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tBT_TRANSPORT transport;
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uint32_t trans_id;
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/* Indicates number of available eatt channels */
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uint8_t eatt;
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uint16_t att_lcid; /* L2CAP channel ID for ATT */
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uint16_t payload_size;
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tGATT_CH_STATE ch_state;
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std::unordered_set<uint8_t> app_hold_link;
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/* server needs */
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/* server response data */
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tGATT_SR_CMD sr_cmd;
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uint16_t indicate_handle;
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fixed_queue_t* pending_ind_q;
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alarm_t* conf_timer; /* peer confirm to indication timer */
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uint8_t prep_cnt[GATT_MAX_APPS];
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uint8_t ind_count;
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std::queue<tGATT_CMD_Q> cl_cmd_q;
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alarm_t* ind_ack_timer; /* local app confirm to indication timer */
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// TODO(hylo): support byte array data
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/* Client supported feature*/
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uint8_t cl_supp_feat;
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/* Server supported features */
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uint8_t sr_supp_feat;
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/* Use for server. if false, should handle database out of sync. */
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bool is_robust_cache_change_aware;
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bool in_use;
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uint8_t tcb_idx;
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} tGATT_TCB;
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/* logic channel */
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typedef struct {
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uint16_t
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next_disc_start_hdl; /* starting handle for the next inc srvv discovery */
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tGATT_DISC_RES result;
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bool wait_for_read_rsp;
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} tGATT_READ_INC_UUID128;
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struct tGATT_CLCB {
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tGATT_TCB* p_tcb; /* associated TCB of this CLCB */
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tGATT_REG* p_reg; /* owner of this CLCB */
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uint8_t sccb_idx;
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uint8_t* p_attr_buf; /* attribute buffer for read multiple, prepare write */
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bluetooth::Uuid uuid;
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uint16_t conn_id; /* connection handle */
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uint16_t s_handle; /* starting handle of the active request */
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uint16_t e_handle; /* ending handle of the active request */
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uint16_t counter; /* used as offset, attribute length, num of prepare write */
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uint16_t start_offset;
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tGATT_AUTH_REQ auth_req; /* authentication requirement */
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tGATTC_OPTYPE operation; /* one logic channel can have one operation active */
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uint8_t op_subtype; /* operation subtype */
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tGATT_STATUS status; /* operation status */
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bool first_read_blob_after_read;
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tGATT_READ_INC_UUID128 read_uuid128;
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bool in_use;
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alarm_t* gatt_rsp_timer_ent; /* peer response timer */
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uint8_t retry_count;
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uint16_t read_req_current_mtu; /* This is the MTU value that the read was
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initiated with */
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uint16_t cid;
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};
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typedef struct {
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uint16_t handle;
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uint16_t uuid;
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uint32_t service_change;
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} tGATT_SVC_CHG;
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#define GATT_SVC_CHANGED_CONNECTING 1 /* wait for connection */
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#define GATT_SVC_CHANGED_SERVICE 2 /* GATT service discovery */
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#define GATT_SVC_CHANGED_CHARACTERISTIC 3 /* service change char discovery */
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#define GATT_SVC_CHANGED_DESCRIPTOR 4 /* service change CCC discoery */
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#define GATT_SVC_CHANGED_CONFIGURE_CCCD 5 /* config CCC */
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typedef struct {
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uint16_t conn_id;
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bool in_use;
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bool connected;
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RawAddress bda;
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tBT_TRANSPORT transport;
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/* GATT service change CCC related variables */
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uint8_t ccc_stage;
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uint8_t ccc_result;
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uint16_t s_handle;
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uint16_t e_handle;
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} tGATT_PROFILE_CLCB;
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typedef struct {
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tGATT_TCB tcb[GATT_MAX_PHY_CHANNEL];
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fixed_queue_t* sign_op_queue;
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uint16_t next_handle; /* next available handle */
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uint16_t last_service_handle; /* handle of last service */
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tGATT_SVC_CHG gattp_attr; /* GATT profile attribute service change */
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tGATT_IF gatt_if;
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std::list<tGATT_HDL_LIST_ELEM>* hdl_list_info;
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std::list<tGATT_SRV_LIST_ELEM>* srv_list_info;
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fixed_queue_t* srv_chg_clt_q; /* service change clients queue */
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tGATT_REG cl_rcb[GATT_MAX_APPS];
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tGATT_CLCB clcb[GATT_CL_MAX_LCB]; /* connection link control block*/
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#if (GATT_CONFORMANCE_TESTING == TRUE)
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bool enable_err_rsp;
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uint8_t req_op_code;
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uint8_t err_status;
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uint16_t handle;
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#endif
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tGATT_PROFILE_CLCB profile_clcb[GATT_MAX_APPS];
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uint16_t
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handle_of_h_r; /* Handle of the handles reused characteristic value */
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uint16_t handle_cl_supported_feat;
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uint16_t handle_sr_supported_feat;
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uint8_t
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gatt_svr_supported_feat_mask; /* Local supported features as a server */
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/* Supported features as a client. To be written to remote device.
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* Note this is NOT a value of the characteristic with handle
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* handle_cl_support_feat, as that one should be written by remote device.
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*/
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uint8_t gatt_cl_supported_feat_mask;
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uint16_t handle_of_database_hash;
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Octet16 database_hash;
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tGATT_APPL_INFO cb_info;
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tGATT_HDL_CFG hdl_cfg;
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} tGATT_CB;
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#define GATT_SIZE_OF_SRV_CHG_HNDL_RANGE 4
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/* Global GATT data */
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extern tGATT_CB gatt_cb;
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#if (GATT_CONFORMANCE_TESTING == TRUE)
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extern void gatt_set_err_rsp(bool enable, uint8_t req_op_code,
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uint8_t err_status);
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#endif
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/* from gatt_main.cc */
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extern bool gatt_disconnect(tGATT_TCB* p_tcb);
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extern bool gatt_act_connect(tGATT_REG* p_reg, const RawAddress& bd_addr,
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tBT_TRANSPORT transport, int8_t initiating_phys);
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extern bool gatt_connect(const RawAddress& rem_bda, tGATT_TCB* p_tcb,
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tBT_TRANSPORT transport, uint8_t initiating_phys,
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tGATT_IF gatt_if);
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extern void gatt_data_process(tGATT_TCB& p_tcb, uint16_t cid, BT_HDR* p_buf);
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extern void gatt_update_app_use_link_flag(tGATT_IF gatt_if, tGATT_TCB* p_tcb,
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bool is_add, bool check_acl_link);
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extern void gatt_profile_db_init(void);
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extern void gatt_set_ch_state(tGATT_TCB* p_tcb, tGATT_CH_STATE ch_state);
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extern tGATT_CH_STATE gatt_get_ch_state(tGATT_TCB* p_tcb);
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extern void gatt_init_srv_chg(void);
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extern void gatt_proc_srv_chg(void);
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extern void gatt_send_srv_chg_ind(const RawAddress& peer_bda);
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extern void gatt_chk_srv_chg(tGATTS_SRV_CHG* p_srv_chg_clt);
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extern void gatt_add_a_bonded_dev_for_srv_chg(const RawAddress& bda);
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/* from gatt_attr.cc */
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extern uint16_t gatt_profile_find_conn_id_by_bd_addr(const RawAddress& bda);
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extern bool gatt_profile_get_eatt_support(const RawAddress& remote_bda);
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extern void gatt_cl_init_sr_status(tGATT_TCB& tcb);
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extern bool gatt_cl_read_sr_supp_feat_req(
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const RawAddress& peer_bda,
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base::OnceCallback<void(const RawAddress&, uint8_t)> cb);
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extern bool gatt_sr_is_cl_change_aware(tGATT_TCB& tcb);
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extern void gatt_sr_init_cl_status(tGATT_TCB& tcb);
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extern void gatt_sr_update_cl_status(tGATT_TCB& tcb, bool chg_unaware);
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/* Functions provided by att_protocol.cc */
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extern tGATT_STATUS attp_send_cl_confirmation_msg(tGATT_TCB& tcb, uint16_t cid);
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extern tGATT_STATUS attp_send_cl_msg(tGATT_TCB& tcb, tGATT_CLCB* p_clcb,
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uint8_t op_code, tGATT_CL_MSG* p_msg);
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extern BT_HDR* attp_build_sr_msg(tGATT_TCB& tcb, uint8_t op_code,
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tGATT_SR_MSG* p_msg);
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extern tGATT_STATUS attp_send_sr_msg(tGATT_TCB& tcb, uint16_t cid,
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BT_HDR* p_msg);
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extern tGATT_STATUS attp_send_msg_to_l2cap(tGATT_TCB& tcb, uint16_t cid,
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BT_HDR* p_toL2CAP);
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/* utility functions */
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extern uint8_t* gatt_dbg_op_name(uint8_t op_code);
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extern uint32_t gatt_add_sdp_record(const bluetooth::Uuid& uuid,
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uint16_t start_hdl, uint16_t end_hdl);
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extern bool gatt_parse_uuid_from_cmd(bluetooth::Uuid* p_uuid, uint16_t len,
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uint8_t** p_data);
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extern uint8_t gatt_build_uuid_to_stream_len(const bluetooth::Uuid& uuid);
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extern uint8_t gatt_build_uuid_to_stream(uint8_t** p_dst,
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const bluetooth::Uuid& uuid);
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extern void gatt_sr_get_sec_info(const RawAddress& rem_bda,
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tBT_TRANSPORT transport, uint8_t* p_sec_flag,
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uint8_t* p_key_size);
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extern void gatt_start_rsp_timer(tGATT_CLCB* p_clcb);
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extern void gatt_stop_rsp_timer(tGATT_CLCB* p_clcb);
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extern void gatt_start_conf_timer(tGATT_TCB* p_tcb, uint16_t cid);
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extern void gatt_stop_conf_timer(tGATT_TCB& tcb, uint16_t cid);
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extern void gatt_rsp_timeout(void* data);
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extern void gatt_indication_confirmation_timeout(void* data);
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extern void gatt_ind_ack_timeout(void* data);
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extern void gatt_start_ind_ack_timer(tGATT_TCB& tcb, uint16_t cid);
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extern void gatt_stop_ind_ack_timer(tGATT_TCB* p_tcb, uint16_t cid);
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extern tGATT_STATUS gatt_send_error_rsp(tGATT_TCB& tcb, uint16_t cid,
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uint8_t err_code, uint8_t op_code,
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uint16_t handle, bool deq);
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extern bool gatt_is_srv_chg_ind_pending(tGATT_TCB* p_tcb);
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extern tGATTS_SRV_CHG* gatt_is_bda_in_the_srv_chg_clt_list(
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const RawAddress& bda);
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extern bool gatt_find_the_connected_bda(uint8_t start_idx, RawAddress& bda,
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uint8_t* p_found_idx,
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tBT_TRANSPORT* p_transport);
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extern void gatt_set_srv_chg(void);
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extern void gatt_delete_dev_from_srv_chg_clt_list(const RawAddress& bd_addr);
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extern void gatt_add_pending_ind(tGATT_TCB* p_tcb, tGATT_VALUE* p_ind);
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extern void gatt_free_srvc_db_buffer_app_id(const bluetooth::Uuid& app_id);
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extern bool gatt_cl_send_next_cmd_inq(tGATT_TCB& tcb);
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/* reserved handle list */
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extern std::list<tGATT_HDL_LIST_ELEM>::iterator gatt_find_hdl_buffer_by_app_id(
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const bluetooth::Uuid& app_uuid128, bluetooth::Uuid* p_svc_uuid,
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uint16_t svc_inst);
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extern tGATT_HDL_LIST_ELEM* gatt_find_hdl_buffer_by_handle(uint16_t handle);
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extern tGATTS_SRV_CHG* gatt_add_srv_chg_clt(tGATTS_SRV_CHG* p_srv_chg);
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/* for background connection */
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extern bool gatt_auto_connect_dev_remove(tGATT_IF gatt_if,
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const RawAddress& bd_addr);
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/* server function */
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extern std::list<tGATT_SRV_LIST_ELEM>::iterator gatt_sr_find_i_rcb_by_handle(
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uint16_t handle);
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extern tGATT_STATUS gatt_sr_process_app_rsp(tGATT_TCB& tcb, tGATT_IF gatt_if,
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uint32_t trans_id, uint8_t op_code,
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tGATT_STATUS status,
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tGATTS_RSP* p_msg,
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tGATT_SR_CMD* sr_res_p);
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extern void gatt_server_handle_client_req(tGATT_TCB& p_tcb, uint16_t cid,
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uint8_t op_code, uint16_t len,
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uint8_t* p_data);
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extern void gatt_sr_send_req_callback(uint16_t conn_id, uint32_t trans_id,
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uint8_t op_code, tGATTS_DATA* p_req_data);
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extern uint32_t gatt_sr_enqueue_cmd(tGATT_TCB& tcb, uint16_t cid,
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uint8_t op_code, uint16_t handle);
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extern bool gatt_cancel_open(tGATT_IF gatt_if, const RawAddress& bda);
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extern void gatt_notify_phy_updated(tGATT_STATUS status, uint16_t handle,
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uint8_t tx_phy, uint8_t rx_phy);
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/* */
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extern bool gatt_tcb_is_cid_busy(tGATT_TCB& tcb, uint16_t cid);
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extern tGATT_REG* gatt_get_regcb(tGATT_IF gatt_if);
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extern bool gatt_is_clcb_allocated(uint16_t conn_id);
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extern tGATT_CLCB* gatt_clcb_alloc(uint16_t conn_id);
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extern bool gatt_tcb_get_cid_available_for_indication(
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tGATT_TCB* p_tcb, bool eatt_support, uint16_t** indicate_handle_p,
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uint16_t* cid_p);
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extern bool gatt_tcb_find_indicate_handle(tGATT_TCB& tcb, uint16_t cid,
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uint16_t* indicated_handle_p);
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extern uint16_t gatt_tcb_get_att_cid(tGATT_TCB& tcb, bool eatt_support);
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extern uint16_t gatt_tcb_get_payload_size_tx(tGATT_TCB& tcb, uint16_t cid);
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extern uint16_t gatt_tcb_get_payload_size_rx(tGATT_TCB& tcb, uint16_t cid);
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extern void gatt_clcb_dealloc(tGATT_CLCB* p_clcb);
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extern void gatt_sr_copy_prep_cnt_to_cback_cnt(tGATT_TCB& p_tcb);
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extern bool gatt_sr_is_cback_cnt_zero(tGATT_TCB& p_tcb);
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extern bool gatt_sr_is_prep_cnt_zero(tGATT_TCB& p_tcb);
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extern void gatt_sr_reset_cback_cnt(tGATT_TCB& p_tcb, uint16_t cid);
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extern void gatt_sr_reset_prep_cnt(tGATT_TCB& tcb);
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extern tGATT_SR_CMD* gatt_sr_get_cmd_by_trans_id(tGATT_TCB* p_tcb,
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uint32_t trans_id);
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extern tGATT_SR_CMD* gatt_sr_get_cmd_by_cid(tGATT_TCB& tcb, uint16_t cid);
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extern tGATT_READ_MULTI* gatt_sr_get_read_multi(tGATT_TCB& tcb, uint16_t cid);
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extern void gatt_sr_update_cback_cnt(tGATT_TCB& p_tcb, uint16_t cid,
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tGATT_IF gatt_if, bool is_inc,
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bool is_reset_first);
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extern void gatt_sr_update_prep_cnt(tGATT_TCB& tcb, tGATT_IF gatt_if,
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bool is_inc, bool is_reset_first);
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extern uint8_t gatt_num_clcb_by_bd_addr(const RawAddress& bda);
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extern tGATT_TCB* gatt_find_tcb_by_cid(uint16_t lcid);
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extern tGATT_TCB* gatt_allocate_tcb_by_bdaddr(const RawAddress& bda,
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tBT_TRANSPORT transport);
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extern tGATT_TCB* gatt_get_tcb_by_idx(uint8_t tcb_idx);
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extern tGATT_TCB* gatt_find_tcb_by_addr(const RawAddress& bda,
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tBT_TRANSPORT transport);
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extern bool gatt_send_ble_burst_data(const RawAddress& remote_bda,
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BT_HDR* p_buf);
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/* GATT client functions */
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extern void gatt_dequeue_sr_cmd(tGATT_TCB& tcb, uint16_t cid);
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extern tGATT_STATUS gatt_send_write_msg(tGATT_TCB& p_tcb, tGATT_CLCB* p_clcb,
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uint8_t op_code, uint16_t handle,
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uint16_t len, uint16_t offset,
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uint8_t* p_data);
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extern void gatt_cleanup_upon_disc(const RawAddress& bda,
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tGATT_DISCONN_REASON reason,
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tBT_TRANSPORT transport);
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extern void gatt_end_operation(tGATT_CLCB* p_clcb, tGATT_STATUS status,
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void* p_data);
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extern void gatt_act_discovery(tGATT_CLCB* p_clcb);
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extern void gatt_act_read(tGATT_CLCB* p_clcb, uint16_t offset);
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extern void gatt_act_write(tGATT_CLCB* p_clcb, uint8_t sec_act);
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extern tGATT_CLCB* gatt_cmd_dequeue(tGATT_TCB& tcb, uint16_t cid,
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uint8_t* p_opcode);
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extern void gatt_cmd_enq(tGATT_TCB& tcb, tGATT_CLCB* p_clcb, bool to_send,
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uint8_t op_code, BT_HDR* p_buf);
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extern void gatt_client_handle_server_rsp(tGATT_TCB& tcb, uint16_t cid,
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uint8_t op_code, uint16_t len,
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uint8_t* p_data);
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extern void gatt_send_queue_write_cancel(tGATT_TCB& tcb, tGATT_CLCB* p_clcb,
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tGATT_EXEC_FLAG flag);
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/* gatt_auth.cc */
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extern bool gatt_security_check_start(tGATT_CLCB* p_clcb);
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extern void gatt_verify_signature(tGATT_TCB& tcb, uint16_t cid, BT_HDR* p_buf);
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extern tGATT_STATUS gatt_get_link_encrypt_status(tGATT_TCB& tcb);
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extern tGATT_SEC_ACTION gatt_get_sec_act(tGATT_TCB* p_tcb);
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extern void gatt_set_sec_act(tGATT_TCB* p_tcb, tGATT_SEC_ACTION sec_act);
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/* gatt_db.cc */
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extern void gatts_init_service_db(tGATT_SVC_DB& db,
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const bluetooth::Uuid& service, bool is_pri,
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uint16_t s_hdl, uint16_t num_handle);
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extern uint16_t gatts_add_included_service(tGATT_SVC_DB& db, uint16_t s_handle,
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uint16_t e_handle,
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const bluetooth::Uuid& service);
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extern uint16_t gatts_add_characteristic(tGATT_SVC_DB& db, tGATT_PERM perm,
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tGATT_CHAR_PROP property,
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const bluetooth::Uuid& char_uuid);
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extern uint16_t gatts_add_char_ext_prop_descr(tGATT_SVC_DB& db,
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uint16_t extended_properties);
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extern uint16_t gatts_add_char_descr(tGATT_SVC_DB& db, tGATT_PERM perm,
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const bluetooth::Uuid& dscp_uuid);
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extern tGATT_STATUS gatts_db_read_attr_value_by_type(
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tGATT_TCB& tcb, uint16_t cid, tGATT_SVC_DB* p_db, uint8_t op_code,
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BT_HDR* p_rsp, uint16_t s_handle, uint16_t e_handle,
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const bluetooth::Uuid& type, uint16_t* p_len, tGATT_SEC_FLAG sec_flag,
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uint8_t key_size, uint32_t trans_id, uint16_t* p_cur_handle);
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extern tGATT_STATUS gatts_read_attr_value_by_handle(
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tGATT_TCB& tcb, uint16_t cid, tGATT_SVC_DB* p_db, uint8_t op_code,
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uint16_t handle, uint16_t offset, uint8_t* p_value, uint16_t* p_len,
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uint16_t mtu, tGATT_SEC_FLAG sec_flag, uint8_t key_size, uint32_t trans_id);
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extern tGATT_STATUS gatts_write_attr_perm_check(
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tGATT_SVC_DB* p_db, uint8_t op_code, uint16_t handle, uint16_t offset,
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uint8_t* p_data, uint16_t len, tGATT_SEC_FLAG sec_flag, uint8_t key_size);
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extern tGATT_STATUS gatts_read_attr_perm_check(tGATT_SVC_DB* p_db, bool is_long,
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uint16_t handle,
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tGATT_SEC_FLAG sec_flag,
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uint8_t key_size);
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extern bluetooth::Uuid* gatts_get_service_uuid(tGATT_SVC_DB* p_db);
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/* gatt_sr_hash.cc */
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extern Octet16 gatts_calculate_database_hash(
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std::list<tGATT_SRV_LIST_ELEM>* lst_ptr);
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#endif
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