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/*
connectionstatusplugin.cpp
Copyright (c) 2002-2003 by Chris Howells <howells@kde.org>
Copyright (c) 2003 by Martijn Klingens <klingens@kde.org>
Kopete (c) 2002-2003 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* 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; version 2 of the License. *
* *
*************************************************************************
*/
#include "connectionstatusplugin.h"
#include <qtimer.h>
#include <kdebug.h>
#include <kgenericfactory.h>
#include <kprocess.h>
#include "kopeteaccountmanager.h"
typedef KGenericFactory<ConnectionStatusPlugin> ConnectionStatusPluginFactory;
K_EXPORT_COMPONENT_FACTORY( kopete_connectionstatus, ConnectionStatusPluginFactory( "kopete_connectionstatus" ) )
ConnectionStatusPlugin::ConnectionStatusPlugin( QObject *parent, const char *name, const QStringList& /* args */ )
: Kopete::Plugin( ConnectionStatusPluginFactory::instance(), parent, name )
{
kdDebug( 14301 ) << k_funcinfo << endl;
m_process = 0L;
m_timer = new QTimer();
connect( m_timer, SIGNAL( timeout() ), this, SLOT( slotCheckStatus() ) );
m_timer->start( 60000 );
m_pluginConnected = false;
}
ConnectionStatusPlugin::~ConnectionStatusPlugin()
{
kdDebug( 14301 ) << k_funcinfo << endl;
delete m_timer;
delete m_process;
}
void ConnectionStatusPlugin::slotCheckStatus()
{
kdDebug( 14301 ) << k_funcinfo << endl;
if ( m_process )
{
kdWarning( 14301 ) << k_funcinfo << "Previous netstat process is still running!" << endl
<< "Not starting new netstat. Perhaps your system is under heavy load?" << endl;
return;
}
m_buffer = QString::null;
// Use KProcess to run netstat -rn. We'll then parse the output of
// netstat -rn in slotProcessStdout() to see if it mentions the
// default gateway. If so, we're connected, if not, we're offline
m_process = new KProcess;
*m_process << "netstat" << "-r";
connect( m_process, SIGNAL( receivedStdout( KProcess *, char *, int ) ), this, SLOT( slotProcessStdout( KProcess *, char *, int ) ) );
connect( m_process, SIGNAL( processExited( KProcess * ) ), this, SLOT( slotProcessExited( KProcess * ) ) );
if ( !m_process->start( KProcess::NotifyOnExit, KProcess::Stdout ) )
{
kdWarning( 14301 ) << k_funcinfo << "Unable to start netstat process!" << endl;
delete m_process;
m_process = 0L;
}
}
void ConnectionStatusPlugin::slotProcessExited( KProcess *process )
{
kdDebug( 14301 ) << m_buffer << endl;
if ( process == m_process )
{
setConnectedStatus( m_buffer.contains( "default" ) );
m_buffer = QString::null;
delete m_process;
m_process = 0L;
}
}
void ConnectionStatusPlugin::slotProcessStdout( KProcess *, char *buffer, int buflen )
{
// Look for a default gateway
//kdDebug( 14301 ) << k_funcinfo << endl;
m_buffer += QString::fromLatin1( buffer, buflen );
//kdDebug( 14301 ) << qsBuffer << endl;
}
void ConnectionStatusPlugin::setConnectedStatus( bool connected )
{
//kdDebug( 14301 ) << k_funcinfo << endl;
// We have to handle a few cases here. First is the machine is connected, and the plugin thinks
// we're connected. Then we don't do anything. Next, we can have machine connected, but plugin thinks
// we're disconnected. Also, machine disconnected, plugin disconnected -- we
// don't do anything. Finally, we can have the machine disconnected, and the plugin thinks we're
// connected. This mechanism is required so that we don't keep calling the connect/disconnect functions
// constantly.
if ( connected && !m_pluginConnected )
{
// The machine is connected and plugin thinks we're disconnected
kdDebug( 14301 ) << k_funcinfo << "Setting m_pluginConnected to true" << endl;
m_pluginConnected = true;
Kopete::AccountManager::self()->connectAll();
kdDebug( 14301 ) << k_funcinfo << "We're connected" << endl;
}
else if ( !connected && m_pluginConnected )
{
// The machine isn't connected and plugin thinks we're connected
kdDebug( 14301 ) << k_funcinfo << "Setting m_pluginConnected to false" << endl;
m_pluginConnected = false;
Kopete::AccountManager::self()->disconnectAll();
kdDebug( 14301 ) << k_funcinfo << "We're offline" << endl;
}
}
#include "connectionstatusplugin.moc"
// vim: set noet ts=4 sts=4 sw=4:
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