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/*
* Copyright (C) 2018 "IoT.bzh"
* Author José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
/******************************************************************************/
/******************************************************************************/
/* IMPLEMENTATION OF QUEUE OF DATABASE MODIFIERS */
/******************************************************************************/
/******************************************************************************/
/**
* Queue droping the key
*
* @param key the key for dropping
* @return 0 on success or -ENOMEM on memory depletion
*/
extern
int
queue_drop(
const data_key_t *key
);
/**
* Queue setting of the key with the value
*
* @param key the key to set
* @param value the value to set to the key
* @return 0 on success or -ENOMEM on memory depletion
*/
extern
int
queue_set(
const data_key_t *key,
const data_value_t *value
);
/**
* Clear the content of the queue
*/
extern
void
queue_clear(
);
/**
* Play the content of the queue to alter the database accordingly to what
* is recorded
*
* @return 0 in case of success or a negative error code like -errno
*/
extern
int
queue_play(
);
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