--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swinstallationfw/source/siftransportsession.cpp Tue Aug 31 15:21:33 2010 +0300
@@ -0,0 +1,129 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* This file implements the SIF Transport Session
+*
+*/
+
+
+#include "siftransportserver.h"
+#include <scs/ipcstream.h>
+#include <scs/nullstream.h>
+#include <usif/sif/sif.h>
+#include "siftransportcommon.h"
+#include "usiflog.h"
+
+using namespace Usif;
+
+CSifTransportSession* CSifTransportSession::NewL(CSifTransportServer &aServer, TransportTaskFactory::GenerateTask aTaskFactory)
+/**
+ Factory function allocates new instance of CSifTransportSession.
+
+ @return New, initialized instance of CSifTransportSession
+ which is owned by the caller.
+ */
+ {
+ CSifTransportSession* self = new (ELeave) CSifTransportSession(aServer, aTaskFactory);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+CSifTransportSession::CSifTransportSession(CSifTransportServer &aServer, TransportTaskFactory::GenerateTask aTaskFactory)
+/**
+ This private constructor prevents direct instantiation.
+ */
+ : CScsSession(aServer), iTaskFactory(aTaskFactory), iExclusiveOperation(ETrue)
+ {
+ DEBUG_PRINTF3(_L8("0x%x CSifSession(server %x)\n"), this, &aServer);
+ }
+
+CSifTransportSession::~CSifTransportSession()
+/**
+ The base class destructor destroys any remaining subsessions
+ or outstanding requests.
+ */
+ {
+ DEBUG_PRINTF2(_L8("0x%x ~CSifTransportSession)\n"), this);
+ }
+
+TBool CSifTransportSession::DoServiceL(TInt aFunction, const RMessage2& aMessage)
+/**
+ Implement CScsSession by handling the supplied message.
+
+ Note the subsession creation command is automatically sent to
+ DoCreateSubsessionL, and not this function.
+
+ @param aFunction Function identifier without SCS code.
+ @param aMessage Standard server-side handle to message.
+ */
+ {
+
+ DEBUG_PRINTF3(_L8("0x%x CSifSession::DoServiceL function %d\n"), this, aFunction);
+
+ // Check if aFunction falls into the expected range
+ if (aFunction < EGetComponentInfoByFileName || aFunction > EDeactivate)
+ {
+ aMessage.Panic(KSifTransportServerRequestError, KErrNotSupported);
+ return ETrue;
+ }
+
+ // Check if this is an Install or Uninstall request, if yes read the ExclusiveOperation flag from aMessage
+ if (aFunction == EGetComponentInfoByFileName || aFunction == EGetComponentInfoByFileHandle)
+ {
+ // GetComponentInfo requests are always processed regardless of the state of the SIF server.
+ iExclusiveOperation = EFalse;
+ }
+ else if (aFunction >= EInstallByFileName && aFunction <= EUninstallWithOpaqueData)
+ {
+ // Read the ExclusiveOperation flag from aMessage for a synchronous request
+ if (aFunction == EInstallByFileHandleWithOpaqueDataPreamble)
+ {
+ iExclusiveOperation = aMessage.Int0() != EFalse;
+ return ETrue;
+ }
+
+ // Read the ExclusiveOperation flag from aMessage for asynchronous requests
+ if (aFunction == EInstallByFileName ||
+ aFunction == EInstallByFileNameWithOpaqueData ||
+ aFunction == EUninstall ||
+ aFunction == EUninstallWithOpaqueData)
+ {
+ iExclusiveOperation = aMessage.Int1() != EFalse;
+ }
+ else if (aFunction == EInstallByFileHandle)
+ {
+ iExclusiveOperation = aMessage.Int2() != EFalse;
+ }
+ }
+ else
+ {
+ // We set iExclusiveOperation to ETrue in the constructor. However, we have to
+ // set it here again because the client may send more requests within the same
+ // session.
+ iExclusiveOperation = ETrue;
+ }
+
+ // If the ExclusiveOperation flag is set to ETrue and there is another pending request we leave with KErrServerBusy
+ if (iExclusiveOperation && iServer.iAsyncRequests.Count() > 0)
+ {
+ User::Leave(KErrServerBusy);
+ }
+
+ // Create new request and execute it
+ CSifTransportRequest::CreateAndExecuteL(aFunction, this, iTaskFactory, aMessage);
+
+ return EFalse;
+ }