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Mumble.cpp
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Mumble.cpp
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/* DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
* Version 2, December 2004
*
* Copyright (C) 2004 Sam Hocevar
* 14 rue de Plaisance, 75014 Paris, France
* Everyone is permitted to copy and distribute verbatim or modified
* copies of this license document, and changing it is allowed as long
* as the name is changed.
*
* DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
*
* 0. You just DO WHAT THE FUCK YOU WANT TO.
*/
#include "Mumble.h"
#include <QHostInfo>
#include <QtDebug>
MumbleServer::MumbleServer(const QString ¶m)
{
QRegExp reg("^([^ ]+) ([0-9]+)$");
if(reg.indexIn(param) != -1)
{
bool ok;
int port = reg.cap(2).toInt(&ok, 10);
if(ok && port >= 1 && port <= 65535)
{
setup(reg.cap(1).toLatin1(), port);
return ;
}
}
throw ServerError(tr("MumbleServer: invalid configuration"));
}
MumbleServer::MumbleServer(const char *host, int port)
{
setup(host, port);
}
void MumbleServer::setup(const char *host, int port)
{
m_sHost = host; m_iPort = port; m_iNumPlayers = 0; m_iMaxPlayers = 0;
m_pUdpSocket = new QUdpSocket(this);
{
int port = 5000;
while(!m_pUdpSocket->bind(QHostAddress::Any, port))
{
delete m_pUdpSocket; m_pUdpSocket = new QUdpSocket(this); // FIXME
port++;
if(port == 5040)
throw ServerError(tr("MumbleServer: "
"can't listen: ") + m_pUdpSocket->errorString());
}
qDebug() << tr("MumbleServer: listening on port %1").arg(port);
}
connect(m_pUdpSocket, SIGNAL(readyRead()), this, SLOT(receiveData()));
m_pTimer = new QTimer(this);
m_pTimer->setSingleShot(false);
connect(m_pTimer, SIGNAL(timeout()), this, SLOT(query()));
m_pTimer->start(30000);
query();
}
unsigned int MumbleServer::numPlayers() const
{
return m_iNumPlayers;
}
unsigned int MumbleServer::maxPlayers() const
{
return m_iMaxPlayers;
}
QString MumbleServer::map() const
{
return "";
}
QString MumbleServer::mode() const
{
return "";
}
void MumbleServer::query()
{
QHostInfo ns = QHostInfo::fromName(m_sHost);
if(!ns.addresses().isEmpty())
{
if(m_pUdpSocket->writeDatagram(QByteArray(12, '\0'), 12,
ns.addresses().first(), m_iPort) == -1)
{
emit errorEncountered(m_pUdpSocket->errorString());
}
}
else
emit errorEncountered(ns.errorString());
}
void MumbleServer::refresh()
{
query();
m_pTimer->start();
}
void MumbleServer::receiveData()
{
while(m_pUdpSocket->hasPendingDatagrams())
{
QByteArray datagram;
datagram.resize(m_pUdpSocket->pendingDatagramSize());
QHostAddress sender;
quint16 senderPort;
m_pUdpSocket->readDatagram(datagram.data(), datagram.size(),
&sender, &senderPort);
unsigned int players = datagram[12]<<24 | datagram[13]<<16
| datagram[14]<<8 | datagram[15];
unsigned int maxplayers = datagram[16]<<24 | datagram[17]<<16
| datagram[18]<<8 | datagram[19];
bool changed = false;
unsigned int old_players = m_iNumPlayers;
changed = confirm_assign(&m_iNumPlayers, players) || changed;
changed = confirm_assign(&m_iMaxPlayers, maxplayers) || changed;
if(changed)
emit infosChanged(m_iNumPlayers, m_iMaxPlayers, "", "",
old_players == 0 && m_iNumPlayers > 0);
}
}