dataman: add DatamanClient with sync functions

Rework of dataman

src/modules/navigator/GeofenceBreachAvoidance/GeofenceBreachAvoidanceTest.cpp

@@ -34,7 +34,6 @@
 #include <gtest/gtest.h>
 #include "geofence_breach_avoidance.h"
 #include "fake_geofence.hpp"
-#include "dataman_mocks.hpp"
 #include <parameters/param.h>
 
 using namespace matrix;

src/modules/navigator/GeofenceBreachAvoidance/dataman_mocks.hpp

@@ -1,93 +0,0 @@
-/****************************************************************************
- *
- *   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 */
-		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;};
-}
-