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119 lines
3.3 KiB
119 lines
3.3 KiB
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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*/
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/*
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Copyright (C) 2007 Shintaro Matsuoka <shin@shoegazed.org>
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*/
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#include "dcccommon.h"
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#include "channel.h"
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#include "preferences.h"
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#include "server.h"
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#include <arpa/inet.h>
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#include <tqhostaddress.h>
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#include <tdelocale.h>
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#include <kresolver.h>
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#include <kserversocket.h>
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TQString DccCommon::textIpToNumericalIp( const TQString& ipString )
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{
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TQHostAddress ip;
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ip.setAddress( ipString );
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return TQString::number( ip.ip4Addr() );
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}
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TQString DccCommon::numericalIpToTextIp( const TQString& numericalIp )
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{
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TQHostAddress ip;
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ip.setAddress( numericalIp.toULong() );
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return ip.toString();
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}
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TQString DccCommon::getOwnIp( Server* server )
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{
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TQString ownIp;
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int methodId = Preferences::dccMethodToGetOwnIp();
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if ( methodId == 1 && server )
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{
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// by the WELCOME message or the USERHOST message from the server
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ownIp = server->getOwnIpByServerMessage();
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}
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else if ( methodId == 2 && !Preferences::dccSpecificOwnIp().isEmpty() )
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{
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// manual
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KNetwork::KResolverResults res = KNetwork::KResolver::resolve(Preferences::dccSpecificOwnIp(), "");
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if(res.error() == KResolver::NoError && res.size() > 0)
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{
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ownIp = res.first().address().nodeName();
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}
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}
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// fallback or methodId == 3 (network interface)
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if ( ownIp.isEmpty() && server )
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{
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ownIp = server->getOwnIpByNetworkInterface();
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}
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kdDebug() << "DccCommon::getOwnIp(): " << ownIp << endl;
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return ownIp;
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}
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KNetwork::TDEServerSocket* DccCommon::createServerSocketAndListen( TQObject* parent, TQString* failedReason, int minPort, int maxPort )
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{
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KNetwork::TDEServerSocket* socket = new KNetwork::TDEServerSocket( parent );
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socket->setFamily( KNetwork::KResolver::InetFamily );
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if ( minPort > 0 && maxPort >= minPort ) // ports are configured manually
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{
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// set port
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bool found = false; // whether succeeded to set port
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for ( int port = minPort; port <= maxPort ; ++port )
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{
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socket->setAddress( TQString::number( port ) );
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bool success = socket->listen();
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if ( ( found = ( success && socket->error() == KNetwork::TDESocketBase::NoError ) ) )
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break;
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socket->close();
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}
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if ( !found )
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{
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if ( failedReason )
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*failedReason = i18n( "No vacant port" );
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delete socket;
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return 0;
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}
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}
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else
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{
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// Let the operating system choose a port
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socket->setAddress( "0" );
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if ( !socket->listen() )
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{
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if ( failedReason )
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*failedReason = i18n( "Could not open a socket" );
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delete socket;
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return 0;
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}
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}
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return socket;
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}
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int DccCommon::getServerSocketPort( KNetwork::TDEServerSocket* serverSocket )
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{
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KNetwork::TDESocketAddress ipAddr = serverSocket->localAddress();
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const struct sockaddr_in* socketAddress = (sockaddr_in*)ipAddr.address();
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return ntohs( socketAddress->sin_port );
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}
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