164 lines
7.0 KiB
C
164 lines
7.0 KiB
C
/**
|
|
* Copyright (c) 2015 - 2020, Nordic Semiconductor ASA
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form, except as embedded into a Nordic
|
|
* Semiconductor ASA integrated circuit in a product or a software update for
|
|
* such product, must reproduce the above copyright notice, this list of
|
|
* conditions and the following disclaimer in the documentation and/or other
|
|
* materials provided with the distribution.
|
|
*
|
|
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
|
|
* contributors may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* 4. This software, with or without modification, must only be used with a
|
|
* Nordic Semiconductor ASA integrated circuit.
|
|
*
|
|
* 5. Any software provided in binary form under this license must not be reverse
|
|
* engineered, decompiled, modified and/or disassembled.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
#ifndef GATTS_CACHE_MANAGER_H__
|
|
#define GATTS_CACHE_MANAGER_H__
|
|
|
|
#include <stdint.h>
|
|
#include "sdk_errors.h"
|
|
#include "ble.h"
|
|
#include "ble_gap.h"
|
|
#include "peer_manager_types.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
|
|
/**
|
|
* @cond NO_DOXYGEN
|
|
* @defgroup gatts_cache_manager GATT Server Cache Manager
|
|
* @ingroup peer_manager
|
|
* @{
|
|
* @brief An internal module of @ref peer_manager. A module for managing persistent storing of GATT
|
|
* attributes pertaining to the GATT server role of the local device.
|
|
*/
|
|
|
|
|
|
/**@brief Function for initializing the GATT Server Cache Manager module.
|
|
*
|
|
* @retval NRF_SUCCESS Initialization was successful.
|
|
* @retval NRF_ERROR_INTERNAL If an internal error occurred.
|
|
*/
|
|
ret_code_t gscm_init(void);
|
|
|
|
|
|
/**@brief Function for triggering local GATT database data to be stored persistently. Values are
|
|
* retrieved from the SoftDevice and written to persistent storage.
|
|
*
|
|
* @param[in] conn_handle Connection handle to perform update on.
|
|
*
|
|
* @retval NRF_SUCCESS Store operation started.
|
|
* @retval BLE_ERROR_INVALID_CONN_HANDLE conn_handle does not refer to an active connection with a
|
|
* bonded peer.
|
|
* @retval NRF_ERROR_BUSY Unable to perform operation at this time. Reattempt later.
|
|
* @retval NRF_ERROR_DATA_SIZE Write buffer not large enough. Call will never work with
|
|
* this GATT database.
|
|
* @retval NRF_ERROR_STORAGE_FULL No room in persistent_storage. Free up space; the
|
|
* operation will be automatically reattempted after the
|
|
* next FDS garbage collection procedure.
|
|
*/
|
|
ret_code_t gscm_local_db_cache_update(uint16_t conn_handle);
|
|
|
|
|
|
/**@brief Function for applying stored local GATT database data to the SoftDevice. Values are
|
|
* retrieved from persistent storage and given to the SoftDevice.
|
|
*
|
|
* @param[in] conn_handle Connection handle to apply values to.
|
|
*
|
|
* @retval NRF_SUCCESS Store operation started.
|
|
* @retval BLE_ERROR_INVALID_CONN_HANDLE conn_handle does not refer to an active connection with a
|
|
* bonded peer.
|
|
* @retval NRF_ERROR_INVALID_DATA The stored data was rejected by the SoftDevice, which
|
|
* probably means that the local database has changed. The
|
|
* system part of the sys_attributes was attempted applied,
|
|
* so service changed indications can be sent to subscribers.
|
|
* @retval NRF_ERROR_BUSY Unable to perform operation at this time. Reattempt later.
|
|
* @retval NRF_ERROR_INTERNAL An unexpected error happened.
|
|
*/
|
|
ret_code_t gscm_local_db_cache_apply(uint16_t conn_handle);
|
|
|
|
|
|
/**@brief Function for storing the fact that the local database has changed, for all currently
|
|
* bonded peers.
|
|
*
|
|
* @note This will cause a later call to @ref gscm_service_changed_ind_needed to return true for
|
|
* a connection with a currently bonded peer.
|
|
*/
|
|
void gscm_local_database_has_changed(void);
|
|
|
|
|
|
/**@brief Function for checking if a service changed indication should be sent.
|
|
*
|
|
* @param[in] conn_handle The connection to check.
|
|
*
|
|
* @return true if a service changed indication should be sent, false if not.
|
|
*/
|
|
bool gscm_service_changed_ind_needed(uint16_t conn_handle);
|
|
|
|
|
|
/**@brief Function for sending a service changed indication to a connected peer.
|
|
*
|
|
* @param[in] conn_handle The connection to send the indication on.
|
|
*
|
|
* @retval NRF_SUCCESS Indication sent or not needed.
|
|
* @retval BLE_ERROR_INVALID_CONN_HANDLE conn_handle does not refer to an active connection.
|
|
* @retval NRF_ERROR_BUSY Unable to send indication at this time. Reattempt later.
|
|
* @retval BLE_ERROR_GATTS_SYS_ATTR_MISSING Information missing. Apply local cache, then reattempt.
|
|
* @retval NRF_ERROR_INVALID_PARAM From @ref sd_ble_gatts_service_changed. Unexpected.
|
|
* @retval NRF_ERROR_NOT_SUPPORTED Service changed characteristic is not present.
|
|
* @retval NRF_ERROR_INVALID_STATE Service changed cannot be indicated to this peer
|
|
* because the peer has not subscribed to it.
|
|
* @retval NRF_ERROR_INTERNAL An unexpected error happened.
|
|
*/
|
|
ret_code_t gscm_service_changed_ind_send(uint16_t conn_handle);
|
|
|
|
|
|
/**@brief Function for specifying that a peer has been made aware of the latest local database
|
|
* change.
|
|
*
|
|
* @note After calling this, a later call to @ref gscm_service_changed_ind_needed will to return
|
|
* false for this peer unless @ref gscm_local_database_has_changed is called again.
|
|
*
|
|
* @param[in] peer_id The connection to send the indication on.
|
|
*/
|
|
void gscm_db_change_notification_done(pm_peer_id_t peer_id);
|
|
|
|
/** @}
|
|
* @endcond
|
|
*/
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* GATTS_CACHE_MANAGER_H__ */
|