--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/locationcentre/lcserver/src/lcserversession.cpp	Tue Feb 02 00:16:03 2010 +0200
@@ -0,0 +1,240 @@
+/*
+* Copyright (c) 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:  Location Centre Server side session object.
+*
+*/
+
+
+// SYSTEM INCLUDES
+#include <s32mem.h>
+
+// USER INCLUDES
+#include "lcserversession.h"
+#include "lcserver.h"
+#include "lcipcparams.h"
+#include "lcserverinterface.h"
+#include "lcserverengine.h"
+#include "lcdebug.h"
+
+// ----- Member funtions for CLcServerSession ---------------------------------
+
+// ---------------------------------------------------------------------------
+// CLcServerSession::CLcServerSession
+// ---------------------------------------------------------------------------
+//
+CLcServerSession::CLcServerSession( CLcServer&        aLcServer,
+                                    CLcServerEngine&  aLcServerEngine )
+    :iLcServer( aLcServer ),
+    iEngine( aLcServerEngine )
+    {
+    // C++ Default constructor. No allocations or functions which can Leave
+    // should be called from here.
+    }
+         
+// ---------------------------------------------------------------------------
+// CLcServerSession::~CLcServerSession
+// ---------------------------------------------------------------------------
+//
+CLcServerSession::~CLcServerSession()
+    {
+    // C++ Destructor. Free all resources associated with this class.
+    
+    // Complete the Observer method with KErrServerTerminated if it exists
+    if ( iNotificationOutStanding )
+        {
+        iObserverMessage.Complete( KErrServerTerminated );
+        }
+        
+    // Decrement the count only if it has been incremented in the Construction
+    if( iDecrementSession )
+        {
+        iLcServer.DecrementSessions();
+        }
+    }
+        
+// ---------------------------------------------------------------------------
+// CLcServerSession* CLcServerSession::NewL
+// ---------------------------------------------------------------------------
+//
+CLcServerSession* CLcServerSession::NewL( CLcServer&        aLcServer,
+                                          CLcServerEngine&  aLcServerEngine )
+    {
+    CLcServerSession* self = NewLC( aLcServer, aLcServerEngine );
+    CleanupStack::Pop( self );
+    return self;         
+    }
+
+// ---------------------------------------------------------------------------
+// CLcServerSession* CLcServerSession::NewLC
+// ---------------------------------------------------------------------------
+//
+CLcServerSession* CLcServerSession::NewLC( CLcServer&        aLcServer,
+                                           CLcServerEngine&  aLcServerEngine )
+    {
+    // Symbian Two phased constructor. Leaves the object on the Clean-up
+    // stack.
+    CLcServerSession* self = 
+                        new ( ELeave )CLcServerSession( aLcServer,
+                                                        aLcServerEngine );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;         
+    }
+
+// ---------------------------------------------------------------------------
+// void CLcService::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CLcServerSession::ConstructL()
+    {
+    
+    // Increment the server's increment session routine.
+    iLcServer.IncrementSessions();
+  
+    // Set the flag to mark that the number of sessions have been incremented.
+    // This flag is set at the end of the contruction process to ensure that
+    // we dont decrement the count in the destructor unless we have actually
+    // incremented it. This is necessary because there is a possibility that
+    // the ConstructL leaves before incrementing the count.
+    iDecrementSession = ETrue;    
+    }  
+
+// ---------------------------------------------------------------------------
+// void CLcServerSession::RegistryUpdated
+// ---------------------------------------------------------------------------
+//
+void CLcServerSession::RegistryUpdated()
+    {
+    DEBUG( "+ CLcServerSession::RegistryUpdated")
+    
+    // If the Observer has been set, then complete the Observer
+    // request with KErrNone.
+    if ( iNotificationOutStanding )
+        {
+        DEBUG3("Notify Client", 0, 0, 0 );
+        
+        iObserverMessage.Complete( KErrNone );
+        }
+    else
+        {
+        DEBUG3("Notify Lost", 0, 0, 0 );
+        iNotifyPending = ETrue;
+        }        
+    iNotificationOutStanding = EFalse;
+    
+    DEBUG( "- CLcServerSession::RegistryUpdated")
+    }
+    
+// ---------------------------------------------------------------------------
+// void CLcServerSession::ServiceL
+// ---------------------------------------------------------------------------
+//
+void CLcServerSession::ServiceL( const RMessage2& aMessage )
+    {
+    DEBUG( "+ CLcServerSession::ServiceL")
+    
+    switch( aMessage.Function())
+        {
+        case ERegisterObserver:
+            {
+            DEBUG( "Message : ERegisterObserver")
+            
+            // If an Observer message exists then this is a Duplicate request
+            // which is not accepted.
+            if ( iNotificationOutStanding )
+                {
+                DEBUG3("Notify Already there", 0, 0, 0 );
+                aMessage.Complete( KErrAlreadyExists );
+                }
+            else if ( iNotifyPending )
+                {
+                DEBUG3("Notify Immediately", 0, 0, 0 );
+                aMessage.Complete( KErrNone );
+                iNotifyPending = EFalse;
+                }
+            else
+                {
+                DEBUG3("Notify Later", 0, 0, 0 );
+                // The Client application has requested for an Observer to
+                // notify about any changes to the Location Centre Registry.
+                // Store the message object.
+                iObserverMessage = aMessage;
+                iNotificationOutStanding = ETrue;                
+                }            
+            break;
+            }
+        case ERemoveObserver:
+            {
+            DEBUG( "Message : ERemoveObserver")
+                                	
+            // If the Observer has been set, then complete the Observer
+            // request with KErrCancel.
+            if ( iNotificationOutStanding )
+                {
+                iObserverMessage.Complete( KErrCancel );
+                }
+            iNotificationOutStanding = EFalse;
+
+            // Complete the current request with KErrNone
+            aMessage.Complete( KErrNone );
+            
+            break;
+            }
+        case ELcFilteredAppsBufferLength:
+        case ELcFilteredApps:
+        case ELcSpecifiedAppsBufferLength:
+        case ELcSpecifiedApps:
+        case ELcAppInfoLength:
+        case ELcAppInfo:
+            {
+            TInt desLength = aMessage.GetDesLength( 0 );
+            if ( desLength < KErrNone )
+                {
+                User::Leave( desLength );
+                }
+             
+            if ( desLength >= KMaxTInt/2 )
+                {
+                User::Leave( KErrArgument );
+                }
+                
+            // These messages are not handled here but only in the Engine
+            // class. Hence, pass it onto the Engine class for handling.
+            iEngine.DoServiceL( aMessage );   
+            break;
+            }
+        default:
+            {
+            aMessage.Complete( KErrNotSupported );
+            }
+        }
+        
+    DEBUG( "- CLcServerSession::ServiceL")
+    }
+
+// ---------------------------------------------------------------------------
+// void CLcServerSession::ServiceError
+// ---------------------------------------------------------------------------
+//
+void CLcServerSession::ServiceError( const RMessage2& aMessage, 
+                                           TInt       aError )
+    {
+    DEBUG( "+ CLcServerSession::ServiceError")
+    
+    aMessage.Complete( aError );
+    
+    DEBUG( "- CLcServerSession::ServiceError")
+    }
+                                                                                             
+// End of File