// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// Name : CSIPQueryNaptr.cpp
// Part of : ServerResolver
// Version : SIP/4.0
//
#include <stringpool.h>
#include "sipstrings.h"
#include "sipstrconsts.h"
#include "CSIPQueryNaptr.h"
#include "MSIPHostResolver.h"
_LIT8(Ks, "s");
_LIT8(KServiceSIP, "SIP+*");
_LIT8(KServiceSIPS, "SIPS+*");
_LIT8(KStarPlusD2T, "*+D2T");
_LIT8(KStarPlusD2TPlusStar, "*+D2T+*");
_LIT8(KStarPlusD2U, "*+D2U");
_LIT8(KStarPlusD2UPlusStar, "*+D2U+*");
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::NewL
// ----------------------------------------------------------------------------
//
CSIPQueryNaptr* CSIPQueryNaptr::NewL( const TDesC8& aTarget, TBool aSipsUri )
{
CSIPQueryNaptr* self = new ( ELeave ) CSIPQueryNaptr(aSipsUri);
CleanupStack::PushL( self );
self->ConstructL( aTarget );
CleanupStack::Pop( self );
return self;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::QueryBuf
// ----------------------------------------------------------------------------
//
const TDesC8& CSIPQueryNaptr::QueryBuf()
{
TDnsQuery query( *iTarget, KDnsRRTypeNAPTR );
TDnsQueryBuf querybuf( query );
return iQueryBuf = querybuf;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::QueryResultBuf
// ----------------------------------------------------------------------------
//
TDes8& CSIPQueryNaptr::QueryResultBuf()
{
return iResult;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::QueryResult
// ----------------------------------------------------------------------------
//
TDnsRespNAPTR CSIPQueryNaptr::QueryResult()
{
return iResult();
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::~CSIPQueryNaptr
// ----------------------------------------------------------------------------
//
CSIPQueryNaptr::~CSIPQueryNaptr()
{
delete iTarget;
if ( iRecordArray )
{
iRecordArray->ResetAndDestroy();
delete iRecordArray;
}
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::AddL
// ----------------------------------------------------------------------------
//
void CSIPQueryNaptr::AddL( TDnsRespNAPTR* aNaptr )
{
TLinearOrder<TDnsRespNAPTR> order( CSIPQueryNaptr::Compare );
User::LeaveIfError( iRecordArray->InsertInOrderAllowRepeats( aNaptr,
order ) );
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::Compare
// ----------------------------------------------------------------------------
//
TInt CSIPQueryNaptr::Compare( const TDnsRespNAPTR& aFirst,
const TDnsRespNAPTR& aSecond )
{
if ( aFirst.Order() < aSecond.Order() )
{
return -1;
}
if ( aFirst.Order() > aSecond.Order() )
{
return 1;
}
if ( aFirst.Order() == aSecond.Order() )
{
if ( aFirst.Pref() == aSecond.Pref() )
{
if ( NaptrProtocol( aFirst ) ==
SIPStrings::StringF( SipStrConsts::EUDP ) )
{
return -1;
}
else if ( NaptrProtocol( aSecond ) ==
SIPStrings::StringF( SipStrConsts::EUDP ) )
{
return 1;
}
else
{
return 0;
}
}
if ( aFirst.Pref() < aSecond.Pref() )
{
return -1;
}
if ( aFirst.Pref() > aSecond.Pref() )
{
return 1;
}
}
return 0;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::NAPTRRecordL
// ----------------------------------------------------------------------------
//
TDnsRespNAPTR& CSIPQueryNaptr::NAPTRRecordL( TInt aIndex )
{
__ASSERT_ALWAYS ( aIndex < iRecordArray->Count(), User::Leave( KErrArgument ) );
return ( *( *iRecordArray )[aIndex] );
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::RemoveElementL
// ----------------------------------------------------------------------------
//
void CSIPQueryNaptr::RemoveElementL( TInt aIndex )
{
if ( aIndex < iRecordArray->Count() && aIndex >= 0 )
{
TDnsRespNAPTR* naptr = ( *iRecordArray )[aIndex];
delete naptr;
naptr = NULL;
iRecordArray->Remove( aIndex );
}
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::MatchToRulesL
// ----------------------------------------------------------------------------
//
TBool CSIPQueryNaptr::MatchToRulesL( const TDnsRespNAPTR& aNaptr )
{
if ( aNaptr.Flags().CompareF( Ks ) !=0 )
{
return EFalse;
}
if ( aNaptr.Regexp().Length() != 0 )
{
return EFalse;
}
HBufC8* temp = aNaptr.Replacement().AllocL();
TPtr8 ptr = temp->Des();
ptr.Trim();
if ( temp->Length() == 0 )
{
delete temp;
return EFalse;
}
delete temp;
if ( aNaptr.Service().Match( KServiceSIPS ) != KErrNotFound )
{
if ( NaptrProtocol( aNaptr ) ==
SIPStrings::StringF( SipStrConsts::ETLS ) )
{
return ETrue;
}
}
if (!iSipsUri)
{
if ( aNaptr.Service().Match( KServiceSIP ) != KErrNotFound )
{
if ( NaptrProtocol( aNaptr ) !=
SIPStrings::StringF( SipStrConsts::EEmpty ) )
{
return ETrue;
}
}
}
return EFalse;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::RecordArray
// ----------------------------------------------------------------------------
//
RPointerArray<TDnsRespNAPTR>& CSIPQueryNaptr::RecordArray()
{
return *iRecordArray;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::NaptrProtocol
// ----------------------------------------------------------------------------
//
RStringF CSIPQueryNaptr::NaptrProtocol( const TDnsRespNAPTR& aNaptr )
{
if ( aNaptr.Service().Match( KStarPlusD2T ) != KErrNotFound ||
aNaptr.Service().Match( KStarPlusD2TPlusStar ) != KErrNotFound )
{
if (aNaptr.Service().Match( KServiceSIPS ) != KErrNotFound)
{
return SIPStrings::StringF( SipStrConsts::ETLS );
}
return SIPStrings::StringF( SipStrConsts::ETCP );
}
if( aNaptr.Service().Match( KStarPlusD2U ) != KErrNotFound ||
aNaptr.Service().Match( KStarPlusD2UPlusStar ) != KErrNotFound )
{
return SIPStrings::StringF( SipStrConsts::EUDP );
}
return SIPStrings::StringF( SipStrConsts::EEmpty );
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::Query
// ----------------------------------------------------------------------------
//
void CSIPQueryNaptr::Query( MSIPHostResolver& aResolver )
{
aResolver.Resolver().Query( QueryBuf(),
QueryResultBuf(),
aResolver.RequestStatus() );
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::ConstructL
// ----------------------------------------------------------------------------
//
void CSIPQueryNaptr::ConstructL( const TDesC8& aTarget )
{
// KQueryDataMaxLength is same as TDnsQryData's max length in dns_qry.h
const TInt KQueryDataMaxLength = 255;
__ASSERT_ALWAYS ( aTarget.Length() < KQueryDataMaxLength,
User::Leave( KErrArgument ) );
__ASSERT_ALWAYS ( aTarget.Length() > 0, User::Leave( KErrArgument ) );
iTarget = aTarget.AllocL();
iRecordArray = new ( ELeave ) RPointerArray<TDnsRespNAPTR>;
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::CSIPQueryNaptr
// ----------------------------------------------------------------------------
//
CSIPQueryNaptr::CSIPQueryNaptr(TBool aSipsUri)
:CSIPQueryBase(), iSipsUri(aSipsUri)
{
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::HandleQueryResultL
// ----------------------------------------------------------------------------
//
void CSIPQueryNaptr::HandleQueryResultL( MSIPHostResolver& aResolver )
{
TDnsRespNAPTR* naptr = NULL;
if ( MatchToRulesL( QueryResult() ) )
{
naptr = new ( ELeave ) TDnsRespNAPTR();
CleanupStack::PushL( naptr );
naptr->SetFlags( iResult().Flags() );
naptr->SetOrder( iResult().Order() );
naptr->SetPref( iResult().Pref() );
naptr->SetRegexp( iResult().Regexp() );
naptr->SetReplacement( iResult().Replacement() );
naptr->SetService( iResult().Service() );
AddL( naptr );
CleanupStack::Pop( naptr );
}
while ( aResolver.Resolver().QueryGetNext( QueryResultBuf() )
== KErrNone )
{
if ( MatchToRulesL( QueryResult() ) )
{
naptr = new ( ELeave ) TDnsRespNAPTR();
CleanupStack::PushL( naptr );
naptr->SetFlags( iResult().Flags() );
naptr->SetOrder( iResult().Order() );
naptr->SetPref( iResult().Pref() );
naptr->SetRegexp( iResult().Regexp() );
naptr->SetReplacement( iResult().Replacement() );
naptr->SetService( iResult().Service() );
AddL( naptr );
CleanupStack::Pop( naptr );
}
}
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::ResultTargetL
// ----------------------------------------------------------------------------
//
const TDesC8& CSIPQueryNaptr::ResultTargetL()
{
return NAPTRRecordL( 0 ).Replacement();
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::ResultProtocolL
// ----------------------------------------------------------------------------
//
RStringF CSIPQueryNaptr::ResultProtocolL()
{
return NaptrProtocol( NAPTRRecordL( 0 ) );
}
// ----------------------------------------------------------------------------
// CSIPQueryNaptr::ArrayCount
// ----------------------------------------------------------------------------
//
TInt CSIPQueryNaptr::ArrayCount()
{
return iRecordArray->Count();
}