--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hwrmhaptics/hapticsclient/src/hwrmhapticssession.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,230 @@
+/*
+* Copyright (c) 2008 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 client side session.
+*
+*/
+
+
+#include <e32svr.h>
+#include <data_caging_path_literals.hrh>
+
+#include "hwrmhapticssession.h"
+#include "hwrmhapticsconfiguration.h"
+#include "hwrmhapticsclientserver.h"
+#include "hwrmhapticstrace.h"
+
+// ---------------------------------------------------------------------------
+// Connects to server
+// ---------------------------------------------------------------------------
+//
+TInt RHWRMHapticsSession::Connect()
+    {
+   COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect()" ) ) );
+
+    TInt err = MakeConnection();
+
+    // Create proper service on server side. i.e. initialize
+    // server components
+    if ( err == KErrNone )
+        {
+        err = SendReceive( EHWRMHapticsService );
+        }
+        
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect - return(%d)" ), err ) );        
+    
+    return err;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Connects to server (ASYNC)
+// ---------------------------------------------------------------------------
+//
+void RHWRMHapticsSession::Connect( TRequestStatus& aStatus )
+    {
+   COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect()" ) ) );
+
+    TInt err = MakeConnection();
+
+    // Create proper service on server side. i.e. initialize
+    // server components
+    if ( err == KErrNone )
+        {
+        SendReceive( EHWRMHapticsService, aStatus );
+        }
+    else
+        {
+        TRequestStatus* status = &aStatus;
+        User::RequestComplete( status, err );
+        }
+
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::Connect - return(%d)" ), err ) );
+    }
+
+
+// ---------------------------------------------------------------------------
+// Calls SendReceive with given parameters.
+// ---------------------------------------------------------------------------
+//
+TInt RHWRMHapticsSession::ExecuteOperation( 
+                                            TInt aCommand, 
+                                            const TIpcArgs& aArgs ) const
+    {
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteOperation(0x%x)" ), aCommand ) );
+    
+    TInt retval = SendReceive( aCommand, aArgs );
+    
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteOperation - return %d" ), retval ) );
+    
+    return retval;
+    }
+
+// ---------------------------------------------------------------------------
+// Calls SendReceive with given parameter.
+// ---------------------------------------------------------------------------
+//
+TInt RHWRMHapticsSession::ExecuteOperation( TInt aCommand ) const
+    {
+    COMPONENT_TRACE( _L( "RHWRMHapticsSession::ExecuteOperation" ) );
+    
+    TInt retval = SendReceive( aCommand );
+    
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteOperation - return %d" ), retval ) );
+    
+    return retval;
+    }
+
+// ---------------------------------------------------------------------------
+// Calls SendReceive with given parameters.
+// ---------------------------------------------------------------------------
+//
+void RHWRMHapticsSession::ExecuteAsyncOperation(
+                                            TInt aCommand, 
+                                            const TIpcArgs& aArgs, 
+                                            TRequestStatus& aStatus ) const
+    {
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteAsyncOperation - commandId(%d), aStatus(%d)" ), aCommand, aStatus.Int() ) );
+    
+    SendReceive( aCommand, aArgs, aStatus );
+    
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ExecuteAsyncOperation - return" ) ) );
+    }
+    
+// ---------------------------------------------------------------------------
+// Starts server.
+// ---------------------------------------------------------------------------
+//
+TInt RHWRMHapticsSession::StartServer() const
+    {
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::StartServer()" ) ) );
+    
+    RProcess server;
+    TInt ret = server.Create( ServerLocation(), KNullDesC );
+
+    if ( ret != KErrNone ) // Loading failed.
+        {
+        return ret;
+        }
+    
+    TRequestStatus status;
+    server.Rendezvous( status );
+
+    if ( status != KRequestPending )
+        {
+        server.Kill( 0 ); // Abort startup.
+        server.Close();
+        return KErrGeneral;
+        }
+    else
+        {
+        server.Resume(); // Logon OK - start the server.
+        }
+        
+    User::WaitForRequest( status );
+    server.Close();
+
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::StartServer - return %d" ), status.Int() ) );
+
+    return status.Int();    
+    }
+
+// ---------------------------------------------------------------------------
+// Returns the server location.
+// ---------------------------------------------------------------------------
+//
+TFullName RHWRMHapticsSession::ServerLocation() const
+    {
+    TFullName fullPathAndName( KServerExeDrive );
+    fullPathAndName.Append( KDC_PROGRAMS_DIR );
+    fullPathAndName.Append( KServerExeName );
+    
+    COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::ServerLocation - return %S" ), &fullPathAndName ) );
+
+    return fullPathAndName;
+    }
+
+// ---------------------------------------------------------------------------
+// Returns the version of the server.
+// ---------------------------------------------------------------------------
+//
+TVersion RHWRMHapticsSession::ServerVersion() const 
+    {
+    return TVersion( KServerVersionMajor, 
+                     KServerVersionMinor,
+                     KServerVersionBuild );
+    }
+
+// ---------------------------------------------------------------------------
+// Makes connection to server.
+// ---------------------------------------------------------------------------
+//
+TInt RHWRMHapticsSession::MakeConnection()
+    {
+    // Try connection twice, if not successful on the first attempt
+    TInt retry( 2 );
+    TInt err( KErrNone );
+
+    while ( retry > 0 )
+        {
+        // try to create a session to the server
+        err = CreateSession( KServerProcessName, 
+                             ServerVersion(), 
+                             KDefaultAsyncSlots );
+
+        COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::MakeConnection - CreateSession returned: err(%d)" ), err ) );        
+        
+        if ( err != KErrNotFound && err != KErrServerTerminated )
+            {
+            retry = 0; // KErrNone or unrecoverable error
+            }
+        else
+            {
+            // Return code was KErrNotFound or KErrServerTerminated.
+            // Try to start the Haptics server
+            err = StartServer();
+
+            COMPONENT_TRACE( ( _L( "RHWRMHapticsSession::MakeConnection - StartServer returned: err(%d)" ), err ) );        
+
+            if ( err != KErrNone && err != KErrAlreadyExists )
+                {
+                retry = 0; // Unrecoverable error
+                }
+            }
+        
+        retry--;
+        }
+
+    return err;    
+    }
+//  End of File