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/*=====================================================================
QGroundControl Open Source Ground Control Station
(c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
This file is part of the QGROUNDCONTROL project
QGROUNDCONTROL is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
QGROUNDCONTROL is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>.
======================================================================*/
/**
* @file
* @brief Brief Description
*
* @author Lorenz Meier <mavteam@student.ethz.ch>
*
*/
#include <QList>
#include <QApplication>
#include "LinkManager.h"
#include <QDebug>
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LinkManager* LinkManager::instance() {
static LinkManager* _instance = 0;
if(_instance == 0) {
_instance = new LinkManager();
/* Set the application as parent to ensure that this object
* will be destroyed when the main application exits */
_instance->setParent(qApp);
}
return _instance;
}
/**
* @brief Private singleton constructor
*
* This class implements the singleton design pattern and has therefore only a private constructor.
**/
LinkManager::LinkManager()
{
links = QList<LinkInterface*>();
protocolLinks = QMap<ProtocolInterface*, LinkInterface*>();
}
LinkManager::~LinkManager()
{
disconnectAll();
}
void LinkManager::add(LinkInterface* link)
{
links.append(link);
emit newLink(link);
}
void LinkManager::addProtocol(LinkInterface* link, ProtocolInterface* protocol)
{
// Connect link to protocol
// the protocol will receive new bytes from the link
connect(link, SIGNAL(bytesReceived(LinkInterface*, QByteArray)), protocol, SLOT(receiveBytes(LinkInterface*, QByteArray)));
protocolLinks.insertMulti(protocol, link);
//qDebug() << __FILE__ << __LINE__ << "ADDED LINK TO PROTOCOL" << link->getName() << protocol->getName() << "NEW SIZE OF LINK LIST:" << protocolLinks.size();
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}
QList<LinkInterface*> LinkManager::getLinksForProtocol(ProtocolInterface* protocol)
{
return protocolLinks.values(protocol);
}
bool LinkManager::connectAll()
{
bool allConnected = true;
foreach (LinkInterface* link, links)
{
if(! link->connect()) allConnected = false;
}
return allConnected;
}
bool LinkManager::disconnectAll()
{
bool allDisconnected = true;
foreach (LinkInterface* link, links)
{
if(! link->disconnect()) allDisconnected = false;
}
return allDisconnected;
}
bool LinkManager::connectLink(LinkInterface* link)
{
return link->connect();
}
bool LinkManager::disconnectLink(LinkInterface* link)
{
return link->disconnect();
}
/**
* The access time is linear in the number of links.
*
* @param id link identifier to search for
* @return A pointer to the link or NULL if not found
*/
LinkInterface* LinkManager::getLinkForId(int id)
{
foreach (LinkInterface* link, links)
{
if (link->getId() == id) return link;
}
return NULL;
}
/**
*
*/
const QList<LinkInterface*> LinkManager::getLinks()
{
return QList<LinkInterface*>(links);
}