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/*
* Copyright (C) 2008-2012 The QXmpp developers
*
* Authors:
* Ian Reinhart Geiser
* Jeremy Lainé
*
* Source:
* http://code.google.com/p/qxmpp
*
* This file is a part of QXmpp library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
*/
#include <cstdlib>
#include <cstdio>
#include <QAudioInput>
#include <QAudioOutput>
#include <QCoreApplication>
#include <QDebug>
#include <QHostInfo>
#include "QXmppCallManager.h"
#include "QXmppJingleIq.h"
#include "QXmppRtpChannel.h"
#include "QXmppUtils.h"
#include "example_4_callHandling.h"
xmppClient::xmppClient(QObject *parent)
: QXmppClient(parent)
{
bool check;
Q_UNUSED(check);
// add QXmppCallManager extension
callManager = new QXmppCallManager;
addExtension(callManager);
check = connect(this, SIGNAL(connected()),
this, SLOT(slotConnected()));
Q_ASSERT(check);
check = connect(this, SIGNAL(presenceReceived(QXmppPresence)),
this, SLOT(slotPresenceReceived(QXmppPresence)));
Q_ASSERT(check);
check = connect(callManager, SIGNAL(callReceived(QXmppCall*)),
this, SLOT(slotCallReceived(QXmppCall*)));
Q_ASSERT(check);
check = connect(&m_dns, SIGNAL(finished()),
this, SLOT(slotDnsLookupFinished()));
Q_ASSERT(check);
}
void xmppClient::setRecipient(const QString &recipient)
{
m_recipient = recipient;
}
/// The audio mode of a call changed.
void xmppClient::slotAudioModeChanged(QIODevice::OpenMode mode)
{
QXmppCall *call = qobject_cast<QXmppCall*>(sender());
Q_ASSERT(call);
QXmppRtpAudioChannel *channel = call->audioChannel();
// prepare audio format
QAudioFormat format;
format.setFrequency(channel->payloadType().clockrate());
format.setChannels(channel->payloadType().channels());
format.setSampleSize(16);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::SignedInt);
// the size in bytes of the audio buffers to/from sound devices
// 160 ms seems to be the minimum to work consistently on Linux/Mac/Windows
const int bufferSize = (format.frequency() * format.channels() * (format.sampleSize() / 8) * 160) / 1000;
if (mode & QIODevice::ReadOnly) {
// initialise audio output
QAudioOutput *audioOutput = new QAudioOutput(format, this);
audioOutput->setBufferSize(bufferSize);
audioOutput->start(channel);
}
if (mode & QIODevice::WriteOnly) {
// initialise audio input
QAudioInput *audioInput = new QAudioInput(format, this);
audioInput->setBufferSize(bufferSize);
audioInput->start(channel);
}
}
/// A call was received.
void xmppClient::slotCallReceived(QXmppCall *call)
{
bool check;
Q_UNUSED(check);
qDebug() << "Got call from:" << call->jid();
check = connect(call, SIGNAL(stateChanged(QXmppCall::State)),
this, SLOT(slotCallStateChanged(QXmppCall::State)));
Q_ASSERT(check);
check = connect(call, SIGNAL(audioModeChanged(QIODevice::OpenMode)),
this, SLOT(slotAudioModeChanged(QIODevice::OpenMode)));
Q_ASSERT(check);
// accept call
call->accept();
}
/// A call changed state.
void xmppClient::slotCallStateChanged(QXmppCall::State state)
{
if (state == QXmppCall::ActiveState)
qDebug("Call active");
else if (state == QXmppCall::DisconnectingState)
qDebug("Call disconnecting");
else if (state == QXmppCall::FinishedState)
qDebug("Call finished");
}
void xmppClient::slotConnected()
{
// lookup TURN server
const QString domain = configuration().domain();
debug(QString("Looking up STUN server for domain %1").arg(domain));
m_dns.setType(QDnsLookup::SRV);
m_dns.setName("_turn._udp." + domain);
m_dns.lookup();
}
/// The DNS SRV lookup for TURN completed.
void xmppClient::slotDnsLookupFinished()
{
QString serverName;
if (m_dns.error() == QDnsLookup::NoError && !m_dns.serviceRecords().isEmpty()) {
m_turnPort = m_dns.serviceRecords().first().port();
QHostInfo::lookupHost(m_dns.serviceRecords().first().target(),
this, SLOT(slotHostInfoFinished(QHostInfo)));
} else {
warning("Could not find STUN server for domain " + configuration().domain());
}
}
void xmppClient::slotHostInfoFinished(const QHostInfo &hostInfo)
{
if (!hostInfo.addresses().isEmpty()) {
callManager->setTurnServer(hostInfo.addresses().first(), m_turnPort);
callManager->setTurnUser(configuration().user());
callManager->setTurnPassword(configuration().password());
}
}
/// A presence was received.
void xmppClient::slotPresenceReceived(const QXmppPresence &presence)
{
bool check;
Q_UNUSED(check);
// if we don't have a recipient, or if the presence is not from the recipient,
// do nothing
if (m_recipient.isEmpty() ||
QXmppUtils::jidToBareJid(presence.from()) != m_recipient ||
presence.type() != QXmppPresence::Available)
return;
// start the call and connect to the its signals
QXmppCall *call = callManager->call(presence.from());
check = connect(call, SIGNAL(stateChanged(QXmppCall:State)),
this, SLOT(slotCallStateChanged(QXmppCall::State)));
Q_ASSERT(check);
check = connect(call, SIGNAL(audioModeChanged(QIODevice::OpenMode)),
this, SLOT(slotAudioModeChanged(QIODevice::OpenMode)));
Q_ASSERT(check);
}
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
// we want one argument : "send" or "receive"
if (argc != 2 || (strcmp(argv[1], "send") && strcmp(argv[1], "receive")))
{
fprintf(stderr, "Usage: %s send|receive\n", argv[0]);
return EXIT_FAILURE;
}
xmppClient client;
client.logger()->setLoggingType(QXmppLogger::StdoutLogging);
if (!strcmp(argv[1], "send")) {
client.setRecipient("qxmpp.test2@qxmpp.org");
client.connectToServer("qxmpp.test1@qxmpp.org", "qxmpp123");
} else {
client.connectToServer("qxmpp.test2@qxmpp.org", "qxmpp456");
}
return a.exec();
}
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