diff -r 000000000000 -r ff3b6d0fd310 cbs/CbsServer/McnClientSrc/Rcbsmcnsession.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbs/CbsServer/McnClientSrc/Rcbsmcnsession.cpp	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,210 @@
+/*
+* Copyright (c) 2003 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:  Implementation of the class RCbsMcnSession.
+*
+*/
+
+
+// INCLUDE FILES
+
+#include "CbsServerConstants.h"
+#include "CbsMcnPanic.h"
+#include "CMcn.h"
+#include "RCbsMcnSession.h"
+#include "CCbsMcnListener.h"
+#include "CMcnTopicArray.h"
+#include "CbsLogger.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::RCbsMcnSession
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+RCbsMcnSession::RCbsMcnSession()
+    : iConnected( EFalse )
+    { //lint !e1928 !e1926
+    }                               
+    
+// Destructor
+RCbsMcnSession::~RCbsMcnSession()
+    {
+    Close();
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::GetCellInfo
+// Retrieves the current MCN message from CBS server.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsMcnSession::GetCellInfo( 
+    TDes& aMcnMessage ) const
+    {
+    return GetInfoMessage( aMcnMessage, KCellInfoTopic );
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::GetInfoMessage
+// Retrieves the current HomeZone message from CBS server.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsMcnSession::GetInfoMessage( 
+    TDes& aMessage, 
+    const TInt aTopicNumber ) const
+    {
+    __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) );
+
+    const TIpcArgs args( &aMessage, aTopicNumber );
+    TInt result( SendReceive( EMcnGetInfoMessage, args ) );
+    return result;
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::ReadMcnMessage
+// Request next subscribed MCN message to be delivered to this session.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsMcnSession::ReadMcnMessage( 
+    TRequestStatus& aStatus, 
+    TPckg<TCbsMcnMessage>& aMcnPckg ) 
+    {
+    __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) );
+    iSubSession.ReadMcnMessage( aStatus, aMcnPckg );
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::ReadMcnMessageCancel
+// Cancels an outstanding request. Passed to the subsession object.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsMcnSession::ReadMcnMessageCancel() 
+    {
+    __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) );
+    return iSubSession.ReadMcnMessageCancel();
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::RegisterL
+// Subscribes topics given in aArray.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsMcnSession::RegisterL( 
+    const CMcnTopicArray& aArray )
+    {
+    CBSLOGSTRING("CBSMCNCLIENT: >>> RCbsMcnSession::RegisterL()");
+
+    __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) );
+    iSubSession.RegisterL( aArray );
+    
+    CBSLOGSTRING("CBSMCNCLIENT: <<< RCbsMcnSession::RegisterL()");
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::ClearSubscriptionsL
+// Clears all topic subscriptions of this session in CbsServer.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsMcnSession::ClearSubscriptionsL()
+    {
+    CBSLOGSTRING("CBSMCNCLIENT: >>> RCbsMcnSession::ClearSubscriptionsL()");
+
+    __ASSERT_DEBUG( iConnected, CbsMcnPanic( EMcnNotConnected ) );
+    iSubSession.ClearSubscriptionsL();
+
+    CBSLOGSTRING("CBSMCNCLIENT: <<< RCbsMcnSession::ClearSubscriptionsL()");
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::Connect
+// Establishes a connection with CbsServer.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt RCbsMcnSession::Connect()
+    {
+    CBSLOGSTRING("CBSMCNCLIENT: >>> RCbsMcnSession::Connect()");
+
+    // Create a session to the server.
+    TInt result = CreateSession( KCbsServerName,
+       Version(), KCbsServerDefaultSlots );
+
+    CBSLOGSTRING2("CBSMCNCLIENT: RCbsMcnSession::Connect(): CreateSession() result: %d", result );    
+
+    if ( result == KErrNone )
+        {
+        TInt error = iSubSession.Open( *this );
+        if ( !error )
+            {
+            iConnected = ETrue;
+            CBSLOGSTRING("CBSMCNCLIENT: RCbsMcnSession::Connect(): Subsession opened.");            
+            }        
+        CBSLOGSTRING2("CBSMCNCLIENT: RCbsMcnSession::Connect(): Subsession opening failed, error: %d", error );        
+        } 
+    else
+        {
+        iConnected = EFalse;
+        CBSLOGSTRING2("CBSMCNCLIENT: RCbsMcnSession::Connect(): CreateSession failed, errorCode: %d", result );
+        }
+
+    CBSLOGSTRING2("CBSMCNCLIENT: <<< RCbsMcnSession::Connect(), iConnected: %d", iConnected );    
+    return result;
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::Close
+// Closes the connection with CbsServer.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCbsMcnSession::Close()
+    {
+    CBSLOGSTRING("CBSMCNCLIENT: >>> RCbsMcnSession::Close()");
+
+    if ( iConnected ) 
+        {
+        iSubSession.Close();
+
+        const TIpcArgs args( TIpcArgs::ENothing );
+        SendReceive( EMcnCloseSession, args );
+        RSessionBase::Close();
+        iConnected = EFalse;
+
+        CBSLOGSTRING("CBSMCNCLIENT: RCbsMcnSession::Close(): Connected -> subsession closed.");        
+        }
+    CBSLOGSTRING("CBSMCNCLIENT: <<< RCbsMcnSession::Close()");
+    }
+
+// -----------------------------------------------------------------------------
+// RCbsMcnSession::Version
+// Returns version information of this dll.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TVersion RCbsMcnSession::Version() const
+    {
+    // Create version and return it.
+    return TVersion( KCbsServerVersionMajor,
+                     KCbsServerVersionMinor,
+                     KCbsServerVersionBuild );
+    }
+    
+//  End of File