/*

* Copyright (c) 2005-2007 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:   Sent capability query (OPTIONS)

*

*/

#include "musavacapabilityquerybase.h"

#include "muscleanupresetanddestroy.h"

#include <escapeutils.h>

#include <sipconnection.h>

#include <sipprofile.h>

#include <sipclienttransaction.h>

#include <sipmessageelements.h>

#include <siprequestelements.h>

#include <sipextensionheader.h>

#include <sipacceptcontactheader.h>

#include <sipcontactheader.h>

#include <sipacceptheader.h>

#include <sipstrings.h>

#include <sipstrconsts.h>

#include <sipresponseelements.h>

#include <sipaddress.h>

#include <sdpdocument.h>

#include <sdporiginfield.h>

#include <sdpconnectionfield.h>

#include <sdpattributefield.h>

#include <sdpmediafield.h>

#include <e32math.h>

#include "mussettings.h"

#include "muslogger.h"

#include "mmusavacapabilityqueryobserver.h"

#include "musavacapability.h"

#include "musavacapabilityexchange.h"

#include "musavaterminal.h"

#include "musavacapabilitycontext.h"

#include "musavasipheaderutil.h"

// --------------------------------------------------------------------------

// C++ constructor

// --------------------------------------------------------------------------

//

CMusAvaCapabilityQueryBase::CMusAvaCapabilityQueryBase( 

                                        CMusAvaCapability& aCapability,

                                        CSIPConnection& aSIPConnection,

                                        CSIPProfile& aProfile  )

    : iCapability( aCapability ),

      iSIPConnection( aSIPConnection ),

      iProfile( aProfile ),

      iState( ECapabilityQueryCreated ),

      iResult( KCapabilityQueryNotReady )

    {

    }

// --------------------------------------------------------------------------

// C++ destructor

// --------------------------------------------------------------------------

//

CMusAvaCapabilityQueryBase::~CMusAvaCapabilityQueryBase()

    {

    MUS_LOG( 

    "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::~CMusAvaCapabilityQueryBase" )

    delete iRegisteredContact;

    delete iOriginator;

    if ( iTerminal )

        {

        iTerminal->DetachQuery( *this );

        }

    ResetAndDestroyTrx();

    MUS_LOG( "mus: [MUSAVA] -> StringPools are getting closed." )

    MUS_LOG( 

    "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::~CMusAvaCapabilityQueryBase" )

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::ConstructL

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::ConstructL( const TDesC& aSipAddress )

    {

    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::ConstructL" )

    // If string pool is opened already , then dont care.    

    User::LeaveIfError( aSipAddress.Length() > 0 ? KErrNone : KErrArgument );

    // If it is not registered , just leave.

    TBool isRegistered = ETrue;

    iProfile.GetParameter( KSIPProfileRegistered, isRegistered );

    User::LeaveIfError( isRegistered ? KErrNone : KErrArgument );

    TInt err( KErrNotFound );

    const TDesC8* registeredContact( NULL );

    err = iProfile.GetParameter( KSIPRegisteredContact, registeredContact );

    if( err )

        {

        MUS_LOG1( "mus: [MUSAVA]    iProfile.GetParameter Contact -> %d", err )

        User::LeaveIfError( err );

        }    

    // contactHeader array will only contain one instance of CSIPContactHeader,

    // since only one registered contact is decoded

    RPointerArray<CSIPContactHeader> contactHeader = 

        CSIPContactHeader::DecodeL( *registeredContact );

    MusCleanupResetAndDestroyPushL( contactHeader );

    // leave if there is at least one contact not present

    if ( contactHeader.Count() < 1 )

        {

        MUS_LOG1( "mus: [MUSAVA]    contactHeader has %d instances, instead of 1", 

                contactHeader.Count() );

        User::Leave( KErrNotFound );

        }

    // if more contact than pick the first one. Sip assures in idle case

    // it should always return only one registered contact.

    CSIPAddress* sipAddress = contactHeader[0]->SIPAddress();

    if ( !sipAddress )

        {

        MUS_LOG( "mus: [MUSAVA]    name-address not present")

        User::Leave( KErrNotFound );

        }

    iRegisteredContact = CUri8::NewL( sipAddress->Uri8().Uri() );

    MUS_LOG_TDESC8( " mus: [MUSAVA] iRegisteredContact : ", (iRegisteredContact->Uri().UriDes()));        

    CleanupStack::PopAndDestroy( &contactHeader );    

    sipAddress = NULL;

    const MDesC8Array* aors = NULL;

    User::LeaveIfError(iProfile.GetParameter( KSIPRegisteredAors, aors ));

    MUS_LOG( "mus: [MUSAVA]    iProfile.GetParameter -> OK  " )

    if( !aors || aors->MdcaCount() <= 0 ) User::Leave(KErrArgument);            

    MUS_LOG_TDESC8( " mus: [MUSAVA] AOR -> 0 : ", aors->MdcaPoint(0));     

    sipAddress =  CSIPAddress::DecodeL( aors->MdcaPoint(0) );

    MUS_LOG( "mus: [MUSAVA]    CSIPAddress::DecodeL -> OK   " )

    CleanupStack::PushL( sipAddress );        

    iOriginator = CUri8::NewL(sipAddress->Uri8().Uri());

    MUS_LOG_TDESC8( " mus: [MUSAVA] iOriginator : ", (iOriginator->Uri().UriDes()));    

    CleanupStack::PopAndDestroy(sipAddress);        

    HBufC8* sipAddress8 = EscapeUtils::ConvertFromUnicodeToUtf8L( aSipAddress );

    CleanupStack::PushL( sipAddress8 );

    iTerminal = &Capability().Exchange().TerminalL( sipAddress8->Des() );

    CleanupStack::PopAndDestroy( sipAddress8 ) ;

    iTerminal->AttachQuery( *this );

    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::ConstructL" )

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::Capability

// --------------------------------------------------------------------------

//

const CMusAvaCapability& CMusAvaCapabilityQueryBase::Capability() const

    {

    return iCapability;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::SetState

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::SetState( 

                                CMusAvaCapabilityQueryBase::TState aState )

    {

    iState = aState;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::SetResult

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::SetResult( TInt aResult )

    {

    iResult = aResult;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::Terminal

// --------------------------------------------------------------------------

//

CMusAvaTerminal& CMusAvaCapabilityQueryBase::Terminal()

    {

    return *iTerminal;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::ExecuteL

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::ExecuteL()

    {

    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::ExecuteL" )

    __ASSERT_ALWAYS( 

        State() != ECapabilityQueryPrepared, User::Leave( KErrGeneral ) );

    if ( State() == ECapabilityQueryCreated )

        {

        RPointerArray<CSIPHeaderBase> headers;

        CSIPHeaderBase::PushLC( &headers );

        Prepare( headers );

        if ( State() == ECapabilityQueryPrepared )

            {

            CMusAvaSipheaderUtil::AddAcceptContactHeaderL( headers,

                                                  Capability().Feature() );

            MUS_LOG( "mus: [MUSAVA]  AddAcceptContactHeaderL -> Success ")            

            CMusAvaSipheaderUtil::AddAcceptEncodingHeaderL(headers);

            MUS_LOG( "mus: [MUSAVA]  AddAcceptEncodingHeaderL -> Success ")                        

            CMusAvaSipheaderUtil::AddAcceptLanguageHeaderL(headers);  

            MUS_LOG( "mus: [MUSAVA]  AddAcceptLanguageHeaderL -> Success ")                        

            CMusAvaSipheaderUtil::AddAcceptSdpHeaderL(headers); 

            MUS_LOG( "mus: [MUSAVA]  AddAcceptSDPHeaderL -> Success ")                            

            CMusAvaSipheaderUtil::AddPreferredIdentityHeaderL(headers,

                                               iOriginator->Uri().UriDes());

            MUS_LOG( "mus: [MUSAVA]  AddPreferredIdentityHeaderL -> Success ")                         

            AddContactHeaderL( headers );

            MUS_LOG( "mus: [MUSAVA]  AddContactHeaderL -> Success ")             

            //terminal ID

            if ( Capability().Exchange().TerminalId().Length() > 0 )

                {

                MUS_LOG( "mus: [MUSAVA] Adding User-Agent header" )

            	CSIPHeaderBase* userAgent = 

               	    MusAvaCapabilityContext::UserAgentHeaderLC( 

               	        Capability().Exchange().TerminalId() );

                headers.AppendL( userAgent );

                CleanupStack::Pop( userAgent );

                }

            //remote uri ( will be used as ToHeader )

            CUri8* remoteUri = 

                    MusAvaCapabilityContext::ToUriL( Terminal().Uri() );

            CleanupStack::PushL( remoteUri );

            CSIPRequestElements* request = 

                                CSIPRequestElements::NewL( remoteUri );

            CleanupStack::Pop( remoteUri );

            CleanupStack::PushL( request );

            request->SetMethodL( 

                        SIPStrings::StringF( SipStrConsts::EOptions ) );

            CSIPMessageElements& message = request->MessageElements();

            message.SetUserHeadersL( headers );

            HBufC8* content = ContentLC();

            CMusAvaSipheaderUtil::AddSdpL(request,content);

            CleanupStack::Pop(content) ;

            ResetAndDestroyTrx();            

            MUS_LOG( "mus: [MUSAVA] Sending OPTIONS request ...." )            

            iTrx = iSIPConnection.SendRequestL( request, iProfile );

            CleanupStack::Pop( request );

            iState = ECapabilityQueryExecuting;            

            MUS_LOG( "mus: [MUSAVA] OPTIONS request sent" )

            }

        CleanupStack::PopAndDestroy( &headers );

        }

    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::ExecuteL" )

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::CompletedL

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::CompletedL( 

                                    const CSIPClientTransaction& aResponse )

    {

    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::CompletedL" )

    if ( iTrx && *iTrx == aResponse )

        {

        TUint statusCode = aResponse.ResponseElements()->StatusCode();

        if ( 100 <= statusCode && statusCode < 200 )

            {

            return;

            }

        DoCompletedL( aResponse );

        if ( State() == ECapabilityQueryCompleted )

            {

            MUS_LOG( "mus: [MUSAVA] query completed" )

            Capability().Exchange().QueryObserver().CapabilitiesResolved( 

                                                                    *this );

            }

        }

    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::CompletedL" )

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::Canceled

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::Canceled( 

                                const CSIPClientTransaction& aTransaction )

    {

    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::Canceled" )

    if ( iTrx && *iTrx == aTransaction )

        {

        MUS_LOG( "mus: [MUSAVA] query canceled" )

        SetState( ECapabilityQueryCompleted );

        SetResult( KCapabilityCapabilitesNotFound );

        Capability().Exchange().QueryObserver().CapabilitiesResolved( 

                                                                    *this );

        }

    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::Canceled" )

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::AddContactHeaderL

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::AddContactHeaderL( 

                            RPointerArray<CSIPHeaderBase>& aRequestHeaders )

    {

    MUS_LOG( 

        "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::AddContactHeaderL" )

	CSIPContactHeader* contact = 

	    MusAvaCapabilityContext::ContactHeaderLC( *iRegisteredContact,

	                                              Capability().Feature() );    

    aRequestHeaders.AppendL( contact );

    CleanupStack::Pop( contact );    

    MUS_LOG( 

        "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::AddContactHeaderL" )

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::State

// --------------------------------------------------------------------------

//

CMusAvaCapabilityQueryBase::TState CMusAvaCapabilityQueryBase::State() const

    {

    return iState;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::Result

// --------------------------------------------------------------------------

//

TInt CMusAvaCapabilityQueryBase::Result() const

    {

    return iResult;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::ResetAndDestroyTrx

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::ResetAndDestroyTrx()

    {

    delete iTrx;

    iTrx = NULL;

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::LocalAddress

// --------------------------------------------------------------------------

//

const CUri8& CMusAvaCapabilityQueryBase::LocalAddress() const

    {

    return *iOriginator;    

    }

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::ResponseContentLC

// --------------------------------------------------------------------------

//

HBufC8* CMusAvaCapabilityQueryBase::ContentLC()

    {

    MUS_LOG("mus: [MUSAVA]: -> CMusAvaCapabilityQueryBase::ContentLC" )

    CSdpDocument* content = CSdpDocument::NewLC();

    RStringPool strPool = SdpCodecStringPool::StringPoolL();

	RStringF netType = 

	MusAvaCapabilityContext::SDPStringL( SdpCodecStringConstants::ENetType );

    _LIT8(KOriginFieldUser1, "-");

    _LIT8(KSessionName, "-");

    content->SetSessionNameL( KSessionName );

    TPtrC8 localHost;

    RStringF hostType;

    TTime now;

    now.UniversalTime();

    TInt64 rand = now.Int64();

    TInt64 sessionID = Math::Rand( rand );

    hostType = strPool.StringF( SdpCodecStringConstants::EAddressTypeIP4, 

	                              SdpCodecStringPool::StringTableL() );

	MUS_LOG( "EAddressTypeIP4 from string pool" ) 

	TInetAddr aAddr(0);

    iSIPConnection.GetLocalAddrL(aAddr);

    TBuf<50> ipAddress;	

	aAddr.Output(ipAddress);

	MUS_LOG_TDESC( "mus: [MUSAVA]: LocalIP Address",ipAddress )	

	HBufC8 * ipaddr8=HBufC8::NewLC(ipAddress.Length());	

	ipaddr8->Des().Copy(ipAddress);	

    MUS_LOG( "mus: [MUSAVA]: SetOriginField" )	                              

    CSdpOriginField* originField =  CSdpOriginField::NewL( KOriginFieldUser1,

                                 sessionID,

                                 sessionID,

                                 netType,

                                 hostType,

                                 *ipaddr8);                                 

    content->SetOriginField( originField );    

    // Connection field

    MUS_LOG( "mus: [MUSAVA]: SetConnectionField" ) 

    CSdpConnectionField* connectionField = 

        CSdpConnectionField::NewL( netType, hostType,*ipaddr8);     

    content->SetConnectionField( connectionField );     

    CleanupStack::PopAndDestroy(ipaddr8);

    OtherSDPHeadersL(*content);    

    MUS_LOG( "mus: [MUSAVA]: Constructing the Sdp Content" ) 

    CBufFlat* encBuf = CBufFlat::NewL( KMUSAVAMaxLengthOfSDPMessage );

    CleanupStack::PushL( encBuf );

    RBufWriteStream writeStream( *encBuf, 0 );

	writeStream.PushL();

    content->EncodeL( writeStream );

    CleanupStack::PopAndDestroy();//writeStream    

    HBufC8* textContent = encBuf->Ptr( 0 ).AllocL();

    CleanupStack::PopAndDestroy( encBuf );

    CleanupStack::PopAndDestroy(content);  

    CleanupStack::PushL(textContent);

    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityQueryBase::ContentLC" )    

    return textContent;

    }    

// --------------------------------------------------------------------------

// CMusAvaCapabilityQueryBase::OtherSDPHeadersL

// --------------------------------------------------------------------------

//

void CMusAvaCapabilityQueryBase::OtherSDPHeadersL( CSdpDocument& aResponseContent )

    {

    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityQueryBase::OtherSDPHeadersL" )

    MUS_LOG( "mus: [MUSAVA] Adding application attribute to SDP" )

    //application

    CSdpAttributeField* application = CSdpAttributeField::NewLC(

       MusAvaCapabilityContext::SDPStringL( 

           SdpCodecStringConstants::EMediaApplication ), 

       KCapabilitySwisApplication );

    aResponseContent.AttributeFields().AppendL( application );

    CleanupStack::Pop( application );

    MUS_LOG( "mus: [MUSAVA] Adding type attribute to SDP" )

    //type

    RStringF typeStr = MusAvaCapabilityContext::SDPStringL( 

                                        KCapabilitySDPAttributeNameType );

    CleanupClosePushL( typeStr );

    CSdpAttributeField* type = 

        CSdpAttributeField::NewL( typeStr, KCapabilitySDPAttributeType );

    CleanupStack::PopAndDestroy();//typeStr 

    CleanupStack::PushL( type );

    aResponseContent.AttributeFields().AppendL( type );

    CleanupStack::Pop( type );

    // Fast startup mode

    CMusAvaCapability::AddFastModeL( aResponseContent );

    MUS_LOG( "mus: [MUSAVA] Adding media line to SDP" )

    //media line

    CSdpMediaField* mediaLine = CSdpMediaField::NewLC( 

    			MusAvaCapabilityContext::SDPStringL

    				(SdpCodecStringConstants::EMediaVideo ),

                     							       NULL,

                         MusAvaCapabilityContext::SDPStringL

                (SdpCodecStringConstants::EProtocolRtpAvp ), 

                        KCapabilitySwisFormatListH263Only );

    //adding H.264 codec to SDP

    if( !MultimediaSharingSettings::IsAvcDisabled())

        {

        MUS_LOG( "mus: [MUSAVA]  - Adding avc to supported codec list" )        

        // reconstruct media line with H264 and H263

        CleanupStack::PopAndDestroy(mediaLine);

        mediaLine = CSdpMediaField::NewLC( 

                MusAvaCapabilityContext::SDPStringL

                    (SdpCodecStringConstants::EMediaVideo ),

                                                       NULL,

                         MusAvaCapabilityContext::SDPStringL

                 (SdpCodecStringConstants::EProtocolRtpAvp ), 

                                 KCapabilitySwisFormatList );

        CSdpFmtAttributeField* rtpMapH264 = 

            CMusAvaCapability::RtpMapLineLC( KCapabilitySDPAttributeCodecH264,

                        KCapabilitySDPAttributePayloadTypeH264,

                        KCapabilitySDPAttributeClockrate ); 

        mediaLine->FormatAttributeFields().AppendL( rtpMapH264 );

        CleanupStack::Pop( rtpMapH264 );

        }

    //H.263 codec

    MUS_LOG( "mus: [ENGINE]  - Adding h263 to supported codec list" )