dataman_mocks.hpp
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/****************************************************************************
*
* Copyright (c) 2021 PX4 Development Team. 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 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 PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
****************************************************************************/
/**
* @file dataman_mocks.h
* Provides a minimal dataman implementation to compile against for testing
*
* @author Roman Bapst
* @author Julian Kent
*/
#pragma once
#include <dataman/dataman.h>
extern "C" {
__EXPORT ssize_t
dm_read(
dm_item_t item, /* The item type to retrieve */
unsigned index, /* The index of the item */
void *buffer, /* Pointer to caller data buffer */
size_t buflen /* Length in bytes of data to retrieve */
) {return 0;};
/** write to the data manager store */
__EXPORT ssize_t
dm_write(
dm_item_t item, /* The item type to store */
unsigned index, /* The index of the item */
dm_persitence_t persistence, /* The persistence level of this item */
const void *buffer, /* Pointer to caller data buffer */
size_t buflen /* Length in bytes of data to retrieve */
) {return 0;};
/**
* Lock all items of a type. Can be used for atomic updates of multiple items (single items are always updated
* atomically).
* Note that this lock is independent from dm_read & dm_write calls.
* @return 0 on success and lock taken, -1 on error (lock not taken, errno set)
*/
__EXPORT int
dm_lock(
dm_item_t item /* The item type to lock */
) {return 0;};
/**
* Try to lock all items of a type (@see sem_trywait()).
* @return 0 if lock is taken, -1 otherwise (on error or if already locked. errno is set accordingly)
*/
__EXPORT int
dm_trylock(
dm_item_t item /* The item type to lock */
) {return 0;};
/** Unlock all items of a type */
__EXPORT void
dm_unlock(
dm_item_t item /* The item type to unlock */
) {};
/** Erase all items of this type */
__EXPORT int
dm_clear(
dm_item_t item /* The item type to clear */
) {return 0;};
/** Tell the data manager about the type of the last reset */
__EXPORT int
dm_restart(
dm_reset_reason restart_type /* The last reset type */
) {return 0;};
}