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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
#define MAX_NAME_LENGTH 32767
/** open the database for files 'names' and 'rules' (can be NULL) */
extern
int
db_open(
const char *directory
);
/** close the database */
extern
void
db_close(
);
/** is the database empty */
extern
bool
db_is_empty(
);
/** enter atomic mode */
extern
int
db_transaction_begin(
);
/** leave atomic mode */
extern
int
db_transaction_end(
bool commit
);
/** enumerate */
extern
void
db_for_all(
void *closure,
void (*callback)(
void *closure,
const data_key_t *key,
const data_value_t *value),
const data_key_t *key
);
/** erase rules */
extern
int
db_drop(
const data_key_t *key
);
/** set rules */
extern
int
db_set(
const data_key_t *key,
const data_value_t *value
);
/** check rules */
extern
int
db_test(
const data_key_t *key,
data_value_t *value
);
/** cleanup the base */
extern
int
db_cleanup(
);
/** cleanup the base */
extern
int
db_sync(
);
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