--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/resourcemgmt/hwresourcesmgr/client/src/HWRMClient.cpp Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,247 @@
+// Copyright (c) 2005-2009 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:
+//
+
+
+
+// INCLUDE FILES
+#include <e32svr.h>
+#include "HWRMClient.h"
+#include "HWRMConfiguration.h"
+#include "HWRMClientServer.h"
+#include "HWRMtrace.h"
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES
+
+// CONSTANTS
+_LIT(KSysBin, "\\sys\\bin\\");
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+/*
+// -----------------------------------------------------------------------------
+// RHWRMClient::RHWRMClient
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+RHWRMClient::RHWRMClient()
+ : RSessionBase()
+ {
+ }
+*/
+
+// -----------------------------------------------------------------------------
+// RHWRMClient::Connect
+// Connects to server
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt RHWRMClient::Connect(THWRMResourceType aType)
+ {
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::Connect(0x%x)" ), aType);
+
+ // Try this twice
+ TInt retry(3);
+ TInt err(KErrNone);
+
+ while (retry > 0)
+ {
+ // Try to create a HWRM Server session
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::Connect - CreateSession retry : %d" ), retry );
+ err = CreateSession( KServerProcessName,
+ ServerVersion(),
+ KDefaultAsyncSlots );
+
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::Connect - CreateSession returned: %d" ), err );
+
+ if ( err != KErrNotFound && err != KErrServerTerminated )
+ {
+ // KErrNone or unrecoverable error
+ break;
+ }
+ else
+ {
+ // Return code was KErrNotFound or KErrServerTerminated.
+ // Try to start a new HWRM Server
+ err = StartServer();
+
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::Connect - StartServer returned: %d" ), err );
+
+ if ( err != KErrNone && err != KErrAlreadyExists )
+ {
+ // Unrecoverable error
+ break;
+ }
+ }
+
+ retry--;
+ }
+
+ // Create proper service on server side
+ if ( err == KErrNone )
+ {
+ switch ( aType )
+ {
+ case HWRMResourceTypeVibra:
+ err = SendReceive(EHWRMCreateVibraService, TIpcArgs());
+ break;
+ case HWRMResourceTypeLight:
+ err = SendReceive(EHWRMCreateLightService, TIpcArgs());
+ break;
+ case HWRMResourceTypePower:
+ err = SendReceive(EHWRMCreatePowerService, TIpcArgs());
+ break;
+ case HWRMResourceTypeFmTx:
+ err = SendReceive(EHWRMCreateFmTxService, TIpcArgs());
+ break;
+ default:
+ err = KErrNotSupported;
+ }
+ }
+
+ COMPONENT_TRACE2( _L( "HWRM Client - RHWRMClient::Connect - return %d" ), err );
+ return err;
+ }
+
+
+// -----------------------------------------------------------------------------
+// RHWRMClient::ExecuteOperation
+// Calls SendReceive with given parameters.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt RHWRMClient::ExecuteOperation(TInt aCommand, const TIpcArgs& aArgs) const
+ {
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::ExecuteOperation(0x%x, <aArgs>)" ), aCommand );
+
+ TInt retval = SendReceive(aCommand, aArgs);
+
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::ExecuteOperation - return %d" ), retval );
+
+ return retval;
+
+ }
+
+// -----------------------------------------------------------------------------
+// RHWRMClient::ExecuteAsyncOperation
+// Calls SendReceive with given parameters.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void RHWRMClient::ExecuteAsyncOperation(TInt aCommand, const TIpcArgs& aArgs, TRequestStatus& aStatus ) const
+ {
+ COMPONENT_TRACE3( _L( "HWRM Client - RHWRMClient::ExecuteAsyncOperation(0x%x, <aArgs>, 0x%x)" ), aCommand, aStatus.Int() );
+
+ SendReceive(aCommand, aArgs, aStatus);
+
+ COMPONENT_TRACE1( _L( "HWRM Client - RHWRMClient::ExecuteAsyncOperation - return" ) );
+ }
+// -----------------------------------------------------------------------------
+// RHWRMClient::StartServer
+// Starts server.
+// -----------------------------------------------------------------------------
+//
+TInt RHWRMClient::StartServer() const
+ {
+ COMPONENT_TRACE1(_L( "HWRM Client - RHWRMClient::StartServer()" ) );
+
+ RProcess server;
+ const TUidType serverUid( KNullUid, KServerUid2, KNullUid );
+ TInt err = server.Create( ServerLocation(), // HWRMServer.exe
+ KNullDesC, // A descriptor containing data passed as
+ // an argument to the thread function of
+ // the new process's main thread, when it
+ // is first scheduled.
+ serverUid, // HWRM server UID
+ EOwnerProcess ); // Ownership of this process handle
+
+ // Return error code if we couldn't create a process
+ if ( err == KErrNone )
+ {
+ // Rendezvous is used to detect server start
+ TRequestStatus stat;
+ server.Rendezvous( stat );
+
+ if ( stat != KRequestPending )
+ {
+ server.Kill( stat.Int() ); // Abort startup
+ }
+ else
+ {
+ server.Resume(); // Logon OK - start the server
+ }
+
+ COMPONENT_TRACE1(_L( "HWRM Client - RHWRMClient::StartServer - Waiting server startup" ) );
+
+ User::WaitForRequest( stat ); // Wait for start or death
+
+ COMPONENT_TRACE1(_L( "HWRM Client - RHWRMClient::StartServer - Server startup wait finished" ) );
+
+ // We can't use the 'exit reason' if the server paniced as this
+ // is the panic 'reason' and may be '0' which cannot be distinguished
+ // from KErrNone
+ err = (server.ExitType() == EExitPanic)? KErrGeneral : stat.Int();
+
+ // We can close the handle now
+ server.Close();
+ }
+
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::StartServer - return %d" ), err );
+
+ return err;
+ }
+
+// -----------------------------------------------------------------------------
+// RHWRMClient::ServerLocation
+// Returns server location
+// -----------------------------------------------------------------------------
+//
+TFullName RHWRMClient::ServerLocation() const
+ {
+ TFullName fullPathAndName( KServerExeDrive );
+ fullPathAndName.Append( KSysBin );
+ fullPathAndName.Append( KServerExeName );
+
+ COMPONENT_TRACE2(_L( "HWRM Client - RHWRMClient::ServerLocation - return %S" ), &fullPathAndName );
+
+ return fullPathAndName;
+ }
+
+// -----------------------------------------------------------------------------
+// RHWRMClient::ServerVersion
+// Return version of server
+// -----------------------------------------------------------------------------
+//
+TVersion RHWRMClient::ServerVersion() const
+ {
+ return TVersion( KServerVersionMajor, KServerVersionMinor, KServerVersionBuild );
+ }
+
+
+// ========================== OTHER EXPORTED FUNCTIONS =========================
+
+
+// End of File