?? dnsclient.cpp
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/*
* Copyright (c) 2000-2003 Barak Weichselbaum <barak@komodia.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Contact info:
* -------------
*
* Site: http://www.komodia.com
* Main contact: barak@komodia.com
* For custom projects,
* consulting, or other
* paid services: sales@komodia.com
*/
#include "stdafx.h"
#include "KomodiaNSLookup.h"
#include "DNSClient.h"
#include "ErrorHandlerMacros.h"
#include "KomodiaNSLookupDoc.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
#define CDNSClient_Class "CDNSClient"
CDNSClient::CDNSClient(CKomodiaNSLookupDoc* pFather,
const std::string& rServer,
BOOL bTCP) : CDNSManager(rServer,
bTCP,
TRUE,
TRUE),
m_pFather(pFather)
{
try
{
//Set our name
SetName(CDNSClient_Class);
}
ERROR_HANDLER("CDNSClient")
}
CDNSClient::~CDNSClient()
{
}
void CDNSClient::OnDNSError(int iErrorCode,
LPVOID lpLocalIDData)
{
//Error
std::string sData;
sData="Error resolving host!";
//Add line terminators
char aEndOfLine[3];
aEndOfLine[0]=13;
aEndOfLine[1]=10;
aEndOfLine[2]=0;
sData+=aEndOfLine;
sData+=aEndOfLine;
//Set it
m_pFather->SetAnswer(sData);
}
void CDNSClient::OnDNSTimeout(const KomodiaDNS::CDNSQuery& rQuery,
LPVOID lpLocalIDData)
{
//Error
std::string sData;
sData="Timeout resolving host: ";
sData+=rQuery.GetQueryString(0);
//Add line terminators
char aEndOfLine[3];
aEndOfLine[0]=13;
aEndOfLine[1]=10;
aEndOfLine[2]=0;
sData+=aEndOfLine;
sData+=aEndOfLine;
//Set it
m_pFather->SetAnswer(sData);
}
void CDNSClient::OnDNSReceive(KomodiaDNS::CDNSAnswers* pAnswers,
LPVOID lpLocalIDData)
{
//Line terminators
char aEndOfLine[3];
aEndOfLine[0]=13;
aEndOfLine[1]=10;
aEndOfLine[2]=0;
//Is it resolved
if (pAnswers->IsResolved())
{
//Get the string
std::string sData;
sData=pAnswers->GetAnswerParsed(TRUE,
TRUE,
TRUE);
//Set it
m_pFather->SetAnswer(sData);
}
else
{
//Error
std::string sData;
sData="Failed to resolve: ";
sData+=pAnswers->GetQuery()->GetQuery(0).sName;
//Add line terminators
sData+=aEndOfLine;
sData+=aEndOfLine;
//Set it
m_pFather->SetAnswer(sData);
}
//Delete the answers
delete pAnswers;
}
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