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90 lines
3.2 KiB
90 lines
3.2 KiB
#ifndef _KVI_IRCCONNECTIONTARGETRESOLVER_H_
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#define _KVI_IRCCONNECTIONTARGETRESOLVER_H_
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//=============================================================================
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//
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// File : kvi_ircconnectiontargetresolver.h
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// Created on Fri 11 May 2004 23:17:42 by Szymon Stefanek
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//
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// This file is part of the KVIrc IRC client distribution
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// Copyright (C) 2004 Szymon Stefanek <pragma at kvirc dot net>
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//
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// This program is FREE software. You can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your opinion) any later version.
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//
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// This program is distributed in the HOPE that it will be USEFUL,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, write to the Free Software Foundation,
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// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//=============================================================================
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#include "kvi_settings.h"
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#include "kvi_qstring.h"
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#include <tqobject.h>
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class KviConsole;
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class KviDns;
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class KviIrcConnection;
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class KviIrcConnectionTarget;
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class TQTimer;
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class KVIRC_API KviIrcConnectionTargetResolver : public TQObject
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{
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friend class KviIrcLink; // upper protocol in the stack
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Q_OBJECT
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TQ_OBJECT
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protected:
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KviIrcConnectionTargetResolver(KviIrcConnection * pConnection);
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~KviIrcConnectionTargetResolver();
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public:
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enum Status { Success, Error };
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enum State { Idle, Running, Terminated };
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private:
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KviIrcConnection * m_pConnection; // shallow, never null
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KviIrcConnectionTarget * m_pTarget; // shallow, never null
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KviConsole * m_pConsole; // shallow, never null
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Status m_eStatus;
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State m_eState;
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// Auxiliary stuff
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TQTimer * m_pStartTimer; // timer used to start the connection
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KviDns * m_pProxyDns; // the dns object for the proxy hostnames
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KviDns * m_pServerDns; // the dns object for the server hostnames
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char * m_pReadBuffer;
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unsigned int m_uReadBufferLen;
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unsigned int m_uReadPackets;
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int m_iLastError;
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public:
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void start(KviIrcConnectionTarget * t);
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// valid only after the terminated() signal
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Status status(){ return m_eStatus; };
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int lastError(){ return m_iLastError; };
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// causes the resolver to terminate with iLastError == KviError_operationAborted
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// the terminated() signal is emitted.
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void abort();
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protected slots:
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void asyncStartResolve();
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void serverLookupTerminated(KviDns *);
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void proxyLookupTerminated(KviDns *);
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private:
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void cleanup();
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void lookupProxyHostname();
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void lookupServerHostname();
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void haveServerIp();
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bool validateLocalAddress(const TQString &szAddress,TQString &szBuffer);
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void terminate(Status s,int iLastError);
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signals:
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void terminated();
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};
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#endif //!_KVI_IRCCONNECTIONTARGETRESOLVER_H_
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