btstack/platform/posix/btstack_tlv_posix.h

80 lines
2.5 KiB
C

/*
* Copyright (C) 2017 BlueKitchen GmbH
*
* 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 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 the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN
* GMBH 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.
*
*/
/*
* btstack_tlv_posix.h
*
* Implementation for BTstack's Tag Value Length Persistent Storage implementations
* using in-memory storage (RAM & malloc) and append-only log files on disc
*/
#ifndef BTSTACK_TLV_POSIX_H
#define BTSTACK_TLV_POSIX_H
#include <stdint.h>
#include <stdio.h>
#include "btstack_tlv.h"
#include "btstack_linked_list.h"
#if defined __cplusplus
extern "C" {
#endif
typedef struct {
btstack_linked_list_t entry_list;
const char * db_path;
FILE * file;
} btstack_tlv_posix_t;
/**
* Init Tag Length Value Store
* @param context btstack_tlv_posix_t
* @param db_path on disc
*/
const btstack_tlv_t * btstack_tlv_posix_init_instance(btstack_tlv_posix_t * context, const char * db_path);
/**
* Disable writing to TLV file
* @note must be called before btstack_tlv_posix_init_instance
*/
void btstack_tlv_posix_set_read_only(void);
/**
* Free TLV entries
* @param self
*/
void btstack_tlv_posix_deinit(btstack_tlv_posix_t * self);
#if defined __cplusplus
}
#endif
#endif // BTSTACK_TLV_POSIX_H