| /******************************************************************************* |
| * Copyright (c) 2012 Draeger Medical GmbH (http://www.draeger.com). |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * CONTRIBUTORS: |
| * Peter Karlitschek (initial contribution) |
| * |
| *******************************************************************************/ |
| |
| #include "common/messaging/Message.h" |
| #include "common/messaging/MessageDispatcher.h" |
| |
| namespace etRuntime { |
| |
| MessageDispatcher::MessageDispatcher(IRTObject* parent, const Address& addr, const std::string& name) : |
| RTObject(parent, name), |
| m_local_map(), |
| m_freeAdresses(), |
| m_pollingMessageReceiver(), |
| m_address(addr), |
| m_nextFreeObjId(addr.m_objectID + 1) { |
| m_local_map[addr.m_objectID] = this; |
| } |
| |
| Address MessageDispatcher::getFreeAddress() { |
| if (m_freeAdresses.empty()) { |
| return Address(getAddress().m_nodeID, getAddress().m_threadID, m_nextFreeObjId++); |
| } else { |
| Address address = m_freeAdresses.front(); |
| m_freeAdresses.pop(); |
| |
| return address; |
| } |
| } |
| void MessageDispatcher::freeAddress(const Address& addr) { |
| m_freeAdresses.push(addr); |
| } |
| void MessageDispatcher::addMessageReceiver(IMessageReceiver& receiver) { |
| if (!receiver.getAddress().isValid()) |
| return; |
| |
| if (receiver.getAddress().m_nodeID == m_address.m_nodeID |
| && receiver.getAddress().m_threadID == m_address.m_threadID) { |
| |
| m_local_map[receiver.getAddress().m_objectID] = &receiver; |
| } |
| |
| } |
| |
| void MessageDispatcher::removeMessageReceiver(IMessageReceiver& receiver) { |
| if (!receiver.getAddress().isValid()) |
| return; |
| |
| m_local_map.erase(receiver.getAddress().m_objectID); |
| } |
| |
| void MessageDispatcher::addPollingMessageReceiver(IMessageReceiver& receiver) { |
| m_pollingMessageReceiver.insert(&receiver); |
| } |
| void MessageDispatcher::removePollingMessageReceiver(IMessageReceiver& receiver) { |
| m_pollingMessageReceiver.erase(&receiver); |
| } |
| |
| void MessageDispatcher::receive(const Message* msg) { |
| |
| IMessageReceiver* receiver = 0; |
| if (msg->getAddress().m_nodeID == m_address.m_nodeID && msg->getAddress().m_threadID == m_address.m_threadID) { |
| std::map<int, IMessageReceiver*>::iterator it; |
| it = m_local_map.find(msg->getAddress().m_objectID); |
| if (it != m_local_map.end()) { |
| receiver = it->second; |
| } |
| } |
| if (receiver == this) { |
| for (std::set<IMessageReceiver*>::iterator it = m_pollingMessageReceiver.begin(); |
| it != m_pollingMessageReceiver.end(); ++it) { |
| (*it)->receive(msg); |
| } |
| } else if (receiver != 0) { |
| receiver->receive(msg); |
| // TODO: error handling for not found addresses |
| |
| delete msg; |
| } |
| } |
| |
| std::string MessageDispatcher::toString() const { |
| return getName() + " " + getAddress().toID(); |
| } |
| |
| } /* namespace etRuntime */ |
| |