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/*******************************************************************************
* Copyright (c) 2016 protos software gmbh (http://www.protos.de).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* CONTRIBUTORS:
* Jan Belle (initial contribution)
*
*******************************************************************************/
#include "common/messaging/StaticMessageMemory.h"
#include <new>
namespace etRuntime {
StaticMessageMemory::StaticMessageMemory(IRTObject* parent, const String& name, size_t size, int number) :
RTObject(parent, name), m_size(size), m_msgPool(NULL, "memory"), m_buffer(0) {
m_buffer = new uint8_t[m_size * number];
uint8_t* ptr = m_buffer;
for(int i = 0; i < number; ++i) {
Message* msg = new (ptr) Message(Address::EMPTY, 0);
m_msgPool.push(msg);
ptr += m_size;
}
}
StaticMessageMemory::~StaticMessageMemory() {
delete[] m_buffer;
}
Message* StaticMessageMemory::getMessageBuffer(size_t size) {
if(size > m_size) {
printf("Could not provide message buffer (message too big)!\n");
}
else if(m_msgPool.getSize() <= 0) {
printf("Could not provide message buffer (message pool is empty)!\n");
}
else {
return const_cast<Message*>(m_msgPool.pop());
}
return NULL;
}
void StaticMessageMemory::returnMessageBuffer(const Message* buffer) {
m_msgPool.push(const_cast<Message*>(buffer));
}
} /* namespace etRuntime */
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