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#ifndef _KVI_DNS_H_
#define _KVI_DNS_H_
//=============================================================================
//
// File : kvi_dns.h
// Creation date : Sat Jul 21 2000 13:59:11 by Szymon Stefanek
//
// This file is part of the KVirc irc client distribution
// Copyright (C) 1999-2007 Szymon Stefanek (pragma at kvirc dot net)
//
// 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; either version 2
// of the License, or (at your opinion) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, write to the Free Software Foundation,
// Inc. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================
#include "kvi_settings.h"
#include "kvi_heapobject.h"
#include "kvi_thread.h"
#include "kvi_qstring.h"
class KviDnsThread; // not part of the API
class KVILIB_API KviDnsResult : public KviHeapObject
{
friend class KviDns;
friend class KviDnsThread;
protected:
KviDnsResult();
public:
~KviDnsResult();
protected:
int m_iError;
KviPointerList<QString> * m_pHostnameList;
KviPointerList<QString> * m_pIpAddressList;
QString m_szQuery;
public:
int error(){ return m_iError; };
// never store nor delete these pointers!
// (these are NEVER 0)
KviPointerList<QString> * hostnameList(){ return m_pHostnameList; };
KviPointerList<QString> * ipAddressList(){ return m_pIpAddressList; };
const QString &query(){ return m_szQuery; };
protected:
void setError(int iError){ m_iError = iError; };
void setQuery(const QString &query){ m_szQuery = query; };
void appendHostname(const QString &host);
void appendAddress(const QString &addr);
};
class KVILIB_API KviDns : public QObject, public KviHeapObject
{
Q_OBJECT
Q_PROPERTY(bool blockingDelete READ isRunning)
public:
KviDns();
~KviDns();
public:
enum QueryType { IpV4 , IpV6 , Any };
enum State { Idle , Busy , Failure , Success };
protected:
void * m_pAuxData;
KviDnsThread * m_pSlaveThread;
KviDnsResult * m_pDnsResult;
State m_state;
public:
/////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Public interface
//
// Lookup start
bool lookup(const QString &szQuery,QueryType type);
// Current object state
State state(){ return m_state; };
// Results (return always non null-data..but valid results only if state() == Success or Failure)
int error();
const QString & firstHostname();
const QString & firstIpAddress();
int hostnameCount();
int ipAddressCount();
KviPointerList<QString> * hostnameList();
KviPointerList<QString> * ipAddressList();
const QString & query();
bool isRunning() const;
// Auxiliary data store
void setAuxData(void * pAuxData){ m_pAuxData = pAuxData; };
void * releaseAuxData(){ void * pData = m_pAuxData; m_pAuxData = 0; return pData; };
protected:
virtual bool event(QEvent *e);
private:
KviDnsResult * result();
signals:
void lookupDone(KviDns *);
};
///////////////////////////////////////////////////////////////////////////////////////////////////////////
// INTERNAL CLASSES
//
#define KVI_DNS_THREAD_EVENT_DATA (KVI_THREAD_USER_EVENT_BASE + 7432)
class KviDnsThread : public KviThread
{
friend class KviDns;
protected:
KviDnsThread(KviDns * pDns);
~KviDnsThread();
protected:
QString m_szQuery;
KviDns::QueryType m_queryType;
KviDns * m_pParentDns;
public:
void setQuery(const QString &query,KviDns::QueryType type){ m_szQuery = query; m_queryType = type; };
protected:
virtual void run();
int translateDnsError(int iErr);
void postDnsError(KviDnsResult * dns,int iErr);
};
#endif //_KVI_DNS_H_
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