f9f4d10c4a
Support for passing preferred transport for GATT connections as part of Connect APIs Change-Id: I83ba256574234c0a15a4bff48bcffa2e237c9393
177 lines
6.9 KiB
C
177 lines
6.9 KiB
C
/*
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* Copyright (C) 2013 The Android Open Source Project
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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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#ifndef ANDROID_INCLUDE_BT_GATT_SERVER_H
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#define ANDROID_INCLUDE_BT_GATT_SERVER_H
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#include <stdint.h>
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#include "bt_gatt_types.h"
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__BEGIN_DECLS
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/** GATT value type used in response to remote read requests */
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typedef struct
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{
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uint8_t value[BTGATT_MAX_ATTR_LEN];
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uint16_t handle;
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uint16_t offset;
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uint16_t len;
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uint8_t auth_req;
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} btgatt_value_t;
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/** GATT remote read request response type */
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typedef union
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{
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btgatt_value_t attr_value;
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uint16_t handle;
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} btgatt_response_t;
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/** BT-GATT Server callback structure. */
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/** Callback invoked in response to register_server */
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typedef void (*register_server_callback)(int status, int server_if,
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bt_uuid_t *app_uuid);
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/** Callback indicating that a remote device has connected or been disconnected */
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typedef void (*connection_callback)(int conn_id, int server_if, int connected,
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bt_bdaddr_t *bda);
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/** Callback invoked in response to create_service */
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typedef void (*service_added_callback)(int status, int server_if,
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btgatt_srvc_id_t *srvc_id, int srvc_handle);
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/** Callback indicating that an included service has been added to a service */
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typedef void (*included_service_added_callback)(int status, int server_if,
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int srvc_handle, int incl_srvc_handle);
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/** Callback invoked when a characteristic has been added to a service */
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typedef void (*characteristic_added_callback)(int status, int server_if,
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bt_uuid_t *uuid, int srvc_handle, int char_handle);
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/** Callback invoked when a descriptor has been added to a characteristic */
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typedef void (*descriptor_added_callback)(int status, int server_if,
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bt_uuid_t *uuid, int srvc_handle, int descr_handle);
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/** Callback invoked in response to start_service */
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typedef void (*service_started_callback)(int status, int server_if,
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int srvc_handle);
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/** Callback invoked in response to stop_service */
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typedef void (*service_stopped_callback)(int status, int server_if,
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int srvc_handle);
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/** Callback triggered when a service has been deleted */
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typedef void (*service_deleted_callback)(int status, int server_if,
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int srvc_handle);
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/**
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* Callback invoked when a remote device has requested to read a characteristic
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* or descriptor. The application must respond by calling send_response
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*/
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typedef void (*request_read_callback)(int conn_id, int trans_id, bt_bdaddr_t *bda,
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int attr_handle, int offset, bool is_long);
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/**
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* Callback invoked when a remote device has requested to write to a
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* characteristic or descriptor.
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*/
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typedef void (*request_write_callback)(int conn_id, int trans_id, bt_bdaddr_t *bda,
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int attr_handle, int offset, int length,
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bool need_rsp, bool is_prep, uint8_t* value);
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/** Callback invoked when a previously prepared write is to be executed */
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typedef void (*request_exec_write_callback)(int conn_id, int trans_id,
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bt_bdaddr_t *bda, int exec_write);
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/**
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* Callback triggered in response to send_response if the remote device
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* sends a confirmation.
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*/
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typedef void (*response_confirmation_callback)(int status, int handle);
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typedef struct {
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register_server_callback register_server_cb;
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connection_callback connection_cb;
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service_added_callback service_added_cb;
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included_service_added_callback included_service_added_cb;
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characteristic_added_callback characteristic_added_cb;
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descriptor_added_callback descriptor_added_cb;
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service_started_callback service_started_cb;
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service_stopped_callback service_stopped_cb;
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service_deleted_callback service_deleted_cb;
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request_read_callback request_read_cb;
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request_write_callback request_write_cb;
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request_exec_write_callback request_exec_write_cb;
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response_confirmation_callback response_confirmation_cb;
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} btgatt_server_callbacks_t;
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/** Represents the standard BT-GATT server interface. */
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typedef struct {
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/** Registers a GATT server application with the stack */
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bt_status_t (*register_server)( bt_uuid_t *uuid );
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/** Unregister a server application from the stack */
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bt_status_t (*unregister_server)(int server_if );
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/** Create a connection to a remote peripheral */
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bt_status_t (*connect)(int server_if, const bt_bdaddr_t *bd_addr,
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bool is_direct, int transport);
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/** Disconnect an established connection or cancel a pending one */
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bt_status_t (*disconnect)(int server_if, const bt_bdaddr_t *bd_addr,
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int conn_id );
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/** Create a new service */
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bt_status_t (*add_service)( int server_if, btgatt_srvc_id_t *srvc_id, int num_handles);
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/** Assign an included service to it's parent service */
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bt_status_t (*add_included_service)( int server_if, int service_handle, int included_handle);
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/** Add a characteristic to a service */
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bt_status_t (*add_characteristic)( int server_if,
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int service_handle, bt_uuid_t *uuid,
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int properties, int permissions);
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/** Add a descriptor to a given service */
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bt_status_t (*add_descriptor)(int server_if, int service_handle,
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bt_uuid_t *uuid, int permissions);
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/** Starts a local service */
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bt_status_t (*start_service)(int server_if, int service_handle,
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int transport);
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/** Stops a local service */
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bt_status_t (*stop_service)(int server_if, int service_handle);
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/** Delete a local service */
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bt_status_t (*delete_service)(int server_if, int service_handle);
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/** Send value indication to a remote device */
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bt_status_t (*send_indication)(int server_if, int attribute_handle,
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int conn_id, int len, int confirm,
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char* p_value);
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/** Send a response to a read/write operation */
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bt_status_t (*send_response)(int conn_id, int trans_id,
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int status, btgatt_response_t *response);
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} btgatt_server_interface_t;
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__END_DECLS
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#endif /* ANDROID_INCLUDE_BT_GATT_CLIENT_H */
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