--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshavailability/src/musavacapabilityexchange.cpp	Thu Dec 17 08:44:37 2009 +0200
@@ -0,0 +1,358 @@
+/*
+* 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:   Capability Exchange
+*
+*/
+
+
+#include "musavacapabilityexchange.h"
+#include <uri8.h>
+#include <sipservertransaction.h>
+#include <sipclienttransaction.h>
+#include <sipresponseelements.h>
+#include <sipextensionheader.h>
+#include <sipstrings.h>
+#include <sipstrconsts.h>
+
+
+#include "muslogger.h"
+#include "musavaterminal.h"
+#include "musavacapability.h"
+#include "musavacapabilitycontext.h"
+
+// --------------------------------------------------------------------------
+// Symbian two-phase constructor
+// --------------------------------------------------------------------------
+//
+CMusAvaCapabilityExchange* CMusAvaCapabilityExchange::NewL( 
+                            const TDesC8& aTerminalId,
+                            MMusAvaCapabilityQueryObserver& aQueryObserver )
+    {
+    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityExchange::NewL" )
+    CMusAvaCapabilityExchange* self = 
+        new (ELeave) CMusAvaCapabilityExchange( aQueryObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL( aTerminalId );
+    CleanupStack::Pop( self );
+    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityExchange::NewL" )
+    return self;
+    }
+
+
+// --------------------------------------------------------------------------
+// C++ destructor
+// --------------------------------------------------------------------------
+//
+CMusAvaCapabilityExchange::~CMusAvaCapabilityExchange()
+    {
+    MUS_LOG( 
+    "mus: [MUSAVA] -> CMusAvaCapabilityExchange::~CMusAvaCapabilityExchange" )
+
+    delete iTerminalId;
+    iTerminals.ResetAndDestroy();
+    iCapabilities.ResetAndDestroy();
+    
+    MUS_LOG( 
+    "mus: [MUSAVA] <- CMusAvaCapabilityExchange::~CMusAvaCapabilityExchange" )
+    }
+
+
+// --------------------------------------------------------------------------
+// C++ constructor
+// --------------------------------------------------------------------------
+//
+CMusAvaCapabilityExchange::CMusAvaCapabilityExchange( 
+    MMusAvaCapabilityQueryObserver& aQueryObserver )
+    : iQueryObserver( aQueryObserver )
+    {
+    }
+
+
+// --------------------------------------------------------------------------
+// Symbian second-phase constructor
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::ConstructL( const TDesC8& aTerminalId )
+    {
+    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityExchange::ConstructL" )
+
+    iTerminalId = aTerminalId.AllocL();
+
+    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityExchange::ConstructL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::QueryObserver
+// --------------------------------------------------------------------------
+//
+MMusAvaCapabilityQueryObserver& 
+                            CMusAvaCapabilityExchange::QueryObserver() const
+    {
+    return iQueryObserver;
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::TerminalId
+// --------------------------------------------------------------------------
+//
+const TDesC8& CMusAvaCapabilityExchange::TerminalId() const
+    {
+    return *iTerminalId;
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::AnswerToQueryReceived
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::AnswerToQueryReceived( 
+                                    const CSIPClientTransaction& aResponse )
+    {
+    MUS_LOG( 
+    "mus: [MUSAVA] -> CMusAvaCapabilityExchange::AnswerToQueryReceived" )
+    
+    TInt error = KErrNone;
+    CMusAvaTerminal* terminal = NULL;
+    TInt index = 0;
+    
+    while( !terminal && index < iTerminals.Count() )
+        {
+        terminal = iTerminals[ index++ ];
+        TRAP( error, terminal = terminal->QueryCompletedL( aResponse ) ? 
+                     terminal : NULL );
+        terminal = error != KErrNone ? NULL : terminal;
+        }
+    
+    MUS_LOG( 
+    "mus: [MUSAVA] <- CMusAvaCapabilityExchange::AnswerToQueryReceived" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::QueryReceived
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::QueryReceived( 
+                                            CSIPServerTransaction* aQuery )
+    {
+    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityExchange::QueryReceived" )
+    
+    TRAPD( error, DoQueryReceivedL( *aQuery ) );
+
+    if ( error != KErrNone )
+        {
+        TRAP_IGNORE( RejectQueryL( *aQuery, error ) )
+        }
+        
+    delete aQuery;
+    
+    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityExchange::QueryReceived" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::CancelQuery
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::CancelQuery( TInt /*aError*/, 
+                                const CSIPClientTransaction& aTransaction )
+    {
+    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityExchange::CancelQuery" )
+
+    CMusAvaTerminal* terminal = NULL;
+    TInt index = 0;
+    
+    while( !terminal && index < iTerminals.Count() )
+        {
+        terminal = iTerminals[ index++ ];
+        terminal = terminal->QueryCanceled( aTransaction ) ? 
+            terminal : NULL;
+        }
+    
+    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityExchange::CancelQuery" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::AddCapabilityL
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::AddCapabilityL( 
+                                        CMusAvaCapability* aCapability )
+    {
+    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityExchange::AddCapabilityL" )
+    
+    User::LeaveIfError( iCapabilities.Find( aCapability ) < KErrNone ?
+                        KErrNone : KErrArgument );
+
+    User::LeaveIfError( FindByFeature( *aCapability ) < KErrNone ?
+                        KErrNone : KErrArgument );
+                        
+    iCapabilities.AppendL( aCapability );
+    
+    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityExchange::AddCapabilityL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::Terminals
+// --------------------------------------------------------------------------
+//
+const RPointerArray<CMusAvaTerminal>& CMusAvaCapabilityExchange::Terminals()
+    {
+    return iTerminals;
+    }
+
+    
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::Capabilities
+// --------------------------------------------------------------------------
+//
+const RPointerArray<CMusAvaCapability>& 
+                                    CMusAvaCapabilityExchange::Capabilities()
+    {
+    return iCapabilities;
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::TerminalL
+// --------------------------------------------------------------------------
+//
+CMusAvaTerminal& CMusAvaCapabilityExchange::TerminalL( 
+                                                const TDesC8& aRemoteUri )
+    {
+    CMusAvaTerminal* terminal = NULL;
+    TInt index = 0;
+
+    while ( !terminal && index < Terminals().Count() )
+        {
+        terminal = Terminals()[ index++ ];
+        terminal = terminal->MatchL( aRemoteUri ) ? terminal : NULL;
+        }
+    
+    if ( !terminal )
+        {
+        terminal = CMusAvaTerminal::NewL( *this, aRemoteUri, KNullDesC8 );
+        CleanupStack::PushL( terminal );
+        iTerminals.AppendL( terminal );
+        CleanupStack::Pop( terminal );
+        }
+
+    return *terminal;
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::TerminalL
+// --------------------------------------------------------------------------
+//
+CMusAvaTerminal& CMusAvaCapabilityExchange::TerminalL( 
+                                        const CSIPServerTransaction& aQuery )
+    {
+    CMusAvaTerminal* terminal = NULL;
+    
+    const CSIPExtensionHeader* userAgent = 
+                        MusAvaCapabilityContext::UserAgentHeaderL( aQuery );
+    const CUri8& originator = MusAvaCapabilityContext::OriginatorL( aQuery );
+    
+    const TDesC8& terminalUri = originator.Uri().UriDes();
+    const TDesC8& terminalId = userAgent ? userAgent->Value() : KNullDesC8;
+    
+    TInt index = 0;
+    while( !terminal && index < Terminals().Count() )
+        {
+        terminal = Terminals()[ index++ ];
+        terminal = terminal->MatchL( terminalUri, terminalId )
+                   ? terminal : NULL;
+        }
+    
+    if ( !terminal )
+        {
+        terminal = CMusAvaTerminal::NewL( *this, terminalUri, terminalId );
+        CleanupStack::PushL( terminal );
+        iTerminals.AppendL( terminal );
+        CleanupStack::Pop( terminal );
+        }
+        
+    return *terminal;
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::DoQueryReceivedL
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::DoQueryReceivedL( 
+                                            CSIPServerTransaction& aQuery )
+    {
+    MUS_LOG( 
+        "mus: [MUSAVA] -> CMusAvaCapabilityExchange::DoQueryReceivedL" )
+    
+    CMusAvaTerminal& terminal = TerminalL( aQuery );
+    
+    terminal.QueryRequestedL( aQuery );
+    
+    MUS_LOG( 
+        "mus: [MUSAVA] <- CMusAvaCapabilityExchange::DoQueryReceivedL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::RejectQueryL
+// --------------------------------------------------------------------------
+//
+void CMusAvaCapabilityExchange::RejectQueryL( CSIPServerTransaction& aQuery,
+                                            TInt aError )
+    {
+    MUS_LOG( "mus: [MUSAVA] -> CMusAvaCapabilityExchange::RejectQueryL" )
+    TInt statusCode = aError < 0 ? KMUSAVASIPServerInternalError : aError;
+    RStringF reasonPhrase = 
+            statusCode == KMUSAVASIPServerInternalError ?
+            SIPStrings::StringF( SipStrConsts::EPhraseServerInternalError ):
+            SIPStrings::StringF( SipStrConsts::EEmpty);
+
+    CSIPResponseElements* response = 
+        CSIPResponseElements::NewLC( statusCode, reasonPhrase );
+        
+    aQuery.SendResponseL( response );
+    
+    CleanupStack::Pop( response );
+    
+    MUS_LOG( "mus: [MUSAVA] <- CMusAvaCapabilityExchange::RejectQueryL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// CMusAvaCapabilityExchange::FindByFeature
+// --------------------------------------------------------------------------
+//
+TInt CMusAvaCapabilityExchange::FindByFeature( 
+                                        CMusAvaCapability& aCapability )
+    {
+    TInt index = KErrNotFound;
+    CMusAvaCapability* capability = NULL;
+    
+    for ( TInt i=0; i < iCapabilities.Count() && index == KErrNotFound; i++ )
+        {
+        capability = iCapabilities[i];
+        if ( capability->Feature() == aCapability.Feature() )
+            {
+            index = i;
+            }
+        }
+    return index;
+    }