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/***************************************************************************
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 *   Copyright (C) November 29, 2008 by Mattias Runge                             *
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 *   mattias@runge.se                                                      *
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 *   cannetmanager.cpp                                            *
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 *                                                                         *
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 *   This program is free software; you can redistribute it and/or modify  *
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 *   it under the terms of the GNU General Public License as published by  *
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 *   the Free Software Foundation; either version 2 of the License, or     *
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 *   (at your option) any later version.                                   *
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 *                                                                         *
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 *   This program is distributed in the hope that it will be useful,       *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU General Public License for more details.                          *
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 *                                                                         *
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 *   You should have received a copy of the GNU General Public License     *
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 *   along with this program; if not, write to the                         *
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 *   Free Software Foundation, Inc.,                                       *
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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
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 ***************************************************************************/
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#include "canmessage.h"
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#include "cannetmanager.h"
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CanNetManager* CanNetManager::myInstance = NULL;
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CanNetManager& CanNetManager::getInstance()
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{
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	if (myInstance == NULL)
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	{
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		myInstance = new CanNetManager();
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	}
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	return *myInstance;
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}
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void CanNetManager::deleteInstance()
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{
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	if (myInstance != NULL)
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	{
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		delete myInstance;
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		myInstance = NULL;
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	}
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}
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CanNetManager::CanNetManager()
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{
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	CanIdTranslator &translator = CanIdTranslator::getInstance();
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	myChannel = new AsyncSocket();
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}
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CanNetManager::~CanNetManager()
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{
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	CanIdTranslator::deleteInstance();
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	delete myChannel;
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}
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void CanNetManager::openChannel()
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{
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	SyslogStream &slog = SyslogStream::getInstance();
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	VirtualMachine &vm = VirtualMachine::getInstance();
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	string address = Settings::get("CanNetAddress");
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	string port = Settings::get("CanNetPort");
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	myChannel->setAddress(address, stoi(port));
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	myChannel->start();
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	myChannel->startEvent();
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	while (1)
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	{
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		myChannel->waitForEvent();
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		int event = myChannel->getEvent();
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		if (event == ASYNCSOCKET_EVENT_DATA)
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		{
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			while (myChannel->availableData())
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			{
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				string data = myChannel->getData();
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				try
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				{
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					vector<string> dataLines = explode("\n", data);
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					for (int n = 0; n < dataLines.size(); n++)
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					{
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						CanMessage canMessage;
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						canMessage.setRaw(data);
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						//slog << "Received: " << data;
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						if (canMessage.isUnknown())
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						{
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							slog << "Received unknown message. Skipping...\n";
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						}
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						else
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						{
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							vm.queueCanMessage(canMessage);
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						}
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					}
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				}
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				catch (CanMessageException* e)
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				{
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					slog << "CanMessageException was caught:\n";
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					slog << e->getDescription() << "\n";
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				}
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			}
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		}
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	}
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	myChannel->stopEvent();
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}
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void CanNetManager::sendMessage(CanMessage canMessage)
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{
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	myChannel->sendData(canMessage.getRaw());
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}
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