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/* NitroShare - A simple network file sharing tool.
Copyright (C) 2012 Nathan Osman
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#include <util/network.h>
#include <widgets/CBroadcastDiscoveryWidget.h>
#include "ui_CBroadcastDiscoveryWidget.h"
CBroadcastDiscoveryWidget::CBroadcastDiscoveryWidget(QWidget * parent)
: QWidget(parent), ui(new Ui::CBroadcastDiscoveryWidget), m_listener(NULL)
{
ui->setupUi(this);
}
CBroadcastDiscoveryWidget::~CBroadcastDiscoveryWidget()
{
/* Free everything. */
StopBroadcasting();
delete ui;
}
void CBroadcastDiscoveryWidget::StartBroadcasting()
{
ui->DiscoveryLabel->setText(tr("Broadcast discovery in progress..."));
/* For each of the usable network interfaces, create a broadcaster
that immediately begins listening / broadcasting. */
QList<QNetworkInterface> interfaces = Network::FindUsableInterfaces();
foreach(QNetworkInterface interface, interfaces)
{
CBasicBroadcaster * broadcaster = new CBasicBroadcaster;
broadcaster->Init(interface);
m_broadcasters.append(broadcaster);
}
/* And we also listen for any incoming pings. */
m_listener = new CBasicListener;
connect(m_listener, SIGNAL(Ping(QHostAddress,QByteArray)), SLOT(OnPing(QHostAddress)));
m_listener->Init();
}
void CBroadcastDiscoveryWidget::StopBroadcasting()
{
/* Free all of the broadcasters and the listener. */
qDeleteAll(m_broadcasters);
if(m_listener)
{
delete m_listener;
m_listener = NULL;
}
}
void CBroadcastDiscoveryWidget::OnPing(QHostAddress address)
{
/* Loop through each of the network interfaces we are broadcasting
on and check to see if this address is in its subnet. */
foreach(CBasicBroadcaster * broadcaster, m_broadcasters)
if(broadcaster->HasAddress(address))
{
ui->DiscoveryLabel->setText(tr("Found interface broadcasting to us."));
}
}
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