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124 lines
4.1 KiB
124 lines
4.1 KiB
#ifndef _KVI_IRCLINK_H_
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#define _KVI_IRCLINK_H_
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//=============================================================================
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//
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// File : kvi_irclink.h
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// Created on Mon 03 May 2004 01:45:42 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 KviIrcServer;
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class KviProxy;
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class KviIrcSocket;
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class KviDns;
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class KviIrcConnection;
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class KviIrcConnectionTarget;
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class KviIrcConnectionTargetResolver;
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class KviDataBuffer;
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class KviMexLinkFilter;
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class KVIRC_API KviIrcLink : public TQObject
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{
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friend class KviIrcConnection; // upper protocol in the stack
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friend class KviIrcSocket; // lower protocol in the stack
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TQ_OBJECT
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public:
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enum State { Idle, Connecting, Connected };
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protected:
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// only KviConsole can create this
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// pConsole must NOT be null
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// pServer is a shallow pointer: Connection makes a copy of it internally, must NOT be null
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// pProxy may be null if a proxy is not desicred. Connection makes a copy of it internally
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KviIrcLink(KviIrcConnection * pConnection);
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~KviIrcLink();
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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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KviIrcSocket * m_pSocket; // owned, may be null!
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KviMexLinkFilter * m_pLinkFilter; // owned, may be null!
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State m_eState;
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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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KviIrcConnectionTargetResolver * m_pResolver; // owned
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public:
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// da socket(): may be null!
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KviIrcSocket * socket(){ return m_pSocket; };
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// da connection: never null
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KviIrcConnection * connection(){ return m_pConnection; };
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// da console: never null
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KviConsole * console(){ return m_pConsole; };
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State state(){ return m_eState; };
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protected:
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//
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// interface for KviIrcConnection (up)
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//
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// This is used by KviIrcConnection::send*()
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// This should be used to intercept the outgoing packets
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// when implementing a new protocol
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virtual bool sendPacket(KviDataBuffer * pData);
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// this aborts any connection or attempt
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void abort();
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protected:
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//
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// local overridables (called internally)
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//
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// This is the function used to start a connection attempt.
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// It starts the server or proxy DNS lookup
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// The function MUST be asynchronous: it must return succesfully
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// and report any error by using m_pConnection->linkAttemptFailed()
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void start();
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protected:
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//
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// interface for KviIrcSocket (down)
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//
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// This is called by KviIrcSocket to process a packet
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// of raw data from the server. The buffer is iLength+1
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// bytes long and contains a null terminator
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void processData(char * buffer,int iLength);
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// this is called at each state change
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void socketStateChange();
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protected slots:
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void linkFilterDestroyed();
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private:
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void destroySocket();
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void createSocket(const TQString &szLinkFilterName);
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signals:
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void connectionFailed(); // the connection attempt has failed
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private slots:
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void resolverTerminated();
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};
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#endif //!_KVI_IRCLINK_H_
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