--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/calendarui/server/CalenSvrClient/src/CalSvrClient.cpp	Tue Feb 02 10:12:19 2010 +0200
@@ -0,0 +1,264 @@
+/*
+* Copyright (c) 2002 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: Provides methods for client session implementation of calendar server. 
+ *
+*/
+
+
+
+//debug
+#include "calendarui_debug.h"
+
+#include "CalSvrClient.h"
+#include "CalSvrInitializer.h"
+
+#include "CalSvrDef.h"
+#include "CalServerSignaller.h"
+
+#include <e32base.h>
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+static TInt StartCalendarServer()
+    {
+    TRACE_ENTRY_POINT;
+    
+    TRequestStatus started;
+    TCalServerStart start( started );
+
+    const TUidType serverUid( KNullUid, KNullUid, KNullUid );
+
+    //
+    // EPOC is easy, we just create a new server process. Simultaneous
+    // launching of two such processes should be detected when the
+    // second one attempts to create the server object, failing with
+    // KErrAlreadyExists.
+    //
+    RProcess server;
+    const TInt ret=server.Create( KCalSvrServerExe, start.AsCommand(), serverUid );
+
+    // Did we manage to create the thread/process?
+    if(ret != KErrNone)
+        {
+        TRACE_EXIT_POINT;
+        return ret;
+        }
+
+    // Wait to see if the thread/process died during construction
+    TRequestStatus serverDiedRequestStatus;
+    server.Rendezvous(serverDiedRequestStatus);
+
+    // do we have to abort?
+    if(serverDiedRequestStatus != KRequestPending)
+        {
+        server.Kill(0); // abort the sartup here
+        }
+    else
+        {
+        server.Resume(); // start server
+        }
+
+    User::WaitForRequest(serverDiedRequestStatus);
+
+    // determine the reason for the server exit
+    const TInt exitReason =(server.ExitType()==EExitPanic) ? KErrGeneral : serverDiedRequestStatus.Int();
+    server.Close();
+    
+    TRACE_EXIT_POINT;
+    return exitReason;
+    }
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C RCalSvrSession::RCalSvrSession()
+:RSessionBase(), iListenerCallback(NULL), iInitializer(NULL)
+    {
+    TRACE_ENTRY_POINT;
+    TRACE_EXIT_POINT;
+    }
+
+// open/close
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void RCalSvrSession::ConnectL()
+    {
+    TRACE_ENTRY_POINT;
+    
+    // connect to server
+    TInt err( KErrNone );
+
+    for( TInt tries(0); tries < 2; tries++ )
+        {
+        err = CreateSession( KCalendarServerName, TVersion(0,0,0) );
+
+        if( !err )
+            {
+            // connected to existing server - ok
+            break;
+            }
+
+        if( err != KErrNotFound && err != KErrServerTerminated )
+            {
+            // problems other than server not here - propagate error
+            break;
+            }
+
+        err = StartCalendarServer();
+
+        if( !err || (err==KErrAlreadyExists) )
+            {
+            // if server launched ok, try again to connect 
+            // OR
+            // if someone else got there first, try again to connect
+            continue;
+            }
+
+        break; // server not launched: don't cycle round again
+        }
+
+    User::LeaveIfError( err );
+
+    CleanupClosePushL( *this ); // Close if next operation leaves
+
+    iInitializer = new( ELeave )CCalSvrInitializer( *this );
+
+    CleanupStack::Pop( this );
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void RCalSvrSession::Close()
+    {
+    TRACE_ENTRY_POINT;
+    
+    delete iInitializer;
+    iInitializer = NULL;
+    RSessionBase::Close();
+    
+    TRACE_EXIT_POINT;
+    }
+
+///////////////////////////////
+// These are high-level client interface functions
+///////////////////////////////
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void RCalSvrSession::Initialize(MCalSvrAgendaUpdateListener& aListener)
+    {
+    TRACE_ENTRY_POINT;
+    
+    __ASSERT_ALWAYS(!iInitializer->IsActive(), User::Invariant());
+    if(!iInitializer->IsActive())
+        {
+        iInitializer->Initialize(&aListener);
+        }
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void RCalSvrSession::StopInitialization()
+    {
+    TRACE_ENTRY_POINT;
+    
+    iInitializer->Cancel();
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void RCalSvrSession::Uninitialize()
+    {
+    TRACE_ENTRY_POINT;
+
+    if(iInitializer->IsActive())
+        {
+        iInitializer->Cancel();
+        }
+    SendReceive(ECalSvrUninitialize, TIpcArgs());
+    
+    TRACE_EXIT_POINT;
+    }
+
+
+///////////////////////////////
+// These are low-level functions talking to server
+//////////////////////////////
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCalSvrSession::Initialize(TRequestStatus& aStatus)
+    {
+    TRACE_ENTRY_POINT;
+    
+    SendReceive(ECalSvrInitialize, TIpcArgs(), aStatus);
+    
+    TRACE_EXIT_POINT;
+    }
+
+// -----------------------------------------------------------------------------
+// ?classname::?member_function
+// ?implementation_description
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void RCalSvrSession::CancelInitialize()
+    {
+    TRACE_ENTRY_POINT;
+
+    SendReceive(ECalSvrCancelInitialize, TIpcArgs());
+    
+    TRACE_EXIT_POINT;
+    }
+
+
+// End of File