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#ifndef _KVI_DNS_H_
#define _KVI_DNS_H_
//=============================================================================
//
// File : KviDnsResolver.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) 2000-2010 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 option) 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 "KviError.h"
#include "KviHeapObject.h"
#include <QObject>
#include <QString>
#include <vector>
class KviDnsResolverThread;
class KVILIB_API KviDnsResolverResult : public KviHeapObject
{
friend class KviDnsResolver;
friend class KviDnsResolverThread;
protected:
KviDnsResolverResult();
protected:
KviError::Code m_eError;
std::vector<QString> m_pHostnameList;
std::vector<QString> m_pIpAddressList;
QString m_szQuery;
public:
KviError::Code error()
{
return m_eError;
}
const std::vector<QString> & hostnameList()
{
return m_pHostnameList;
}
const std::vector<QString> & ipAddressList()
{
return m_pIpAddressList;
}
const QString & query()
{
return m_szQuery;
}
protected:
void setError(KviError::Code eError)
{
m_eError = eError;
}
void setQuery(const QString & szQuery)
{
m_szQuery = szQuery;
}
void appendHostname(const QString & szHost);
void appendAddress(const QString & szAddr);
};
#include <QObject>
class KVILIB_API KviDnsResolver : public QObject, public KviHeapObject
{
Q_OBJECT
Q_PROPERTY(bool blockingDelete READ isRunning)
public:
KviDnsResolver();
~KviDnsResolver();
public:
enum QueryType
{
IPv4,
IPv6,
Any
};
enum State
{
Idle,
Busy,
Failure,
Success
};
protected:
KviDnsResolverThread * m_pSlaveThread;
KviDnsResolverResult * 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)
KviError::Code error();
QString errorString();
const QString & hostName();
const QString & firstIpAddress();
std::size_t hostnameCount();
std::size_t ipAddressCount();
const std::vector<QString> & hostnameList();
const std::vector<QString> & ipAddressList();
const QString & query();
bool isRunning() const;
protected:
bool event(QEvent * e) override;
private:
KviDnsResolverResult * result();
signals:
void lookupDone(KviDnsResolver *);
};
//
// INTERNAL CLASSES
//
#include <QEvent>
#include <QThread>
#include "kvi_debug.h"
class KviDnsResolverThreadEvent : public QEvent
{
private:
KviDnsResolverResult * m_pResult;
public:
KviDnsResolverThreadEvent(KviDnsResolverResult * pResult)
: QEvent(QEvent::User), m_pResult(pResult)
{
KVI_ASSERT(pResult);
}
~KviDnsResolverThreadEvent()
{
delete m_pResult;
}
public:
KviDnsResolverResult * releaseResult()
{
KviDnsResolverResult * pResult = m_pResult;
m_pResult = nullptr;
return pResult;
}
};
class KviDnsResolverThread : public QThread
{
friend class KviDnsResolver;
protected:
KviDnsResolverThread(KviDnsResolver * pDns);
~KviDnsResolverThread();
protected:
QString m_szQuery;
KviDnsResolver::QueryType m_queryType = KviDnsResolver::Any;
KviDnsResolver * m_pParentDns;
public:
void setQuery(const QString & szQuery, KviDnsResolver::QueryType type)
{
m_szQuery = szQuery;
m_queryType = type;
};
protected:
void run() override;
KviError::Code translateDnsError(int iErr);
void postDnsError(KviDnsResolverResult * pDns, KviError::Code error);
};
#endif //_KVI_DNS_H_
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