--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swcomponentregistry/scrhelper/source/scrhelperserver.cpp Tue Aug 31 15:21:33 2010 +0300
@@ -0,0 +1,212 @@
+/*
+* 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:
+*
+*/
+
+
+#include "scrhelpercommon.h"
+#include "scrhelperserver.h"
+#include <e32cmn.h>
+#include <e32debug.h>
+#include <usif/scr/scrcommon.h>
+
+using namespace Usif;
+
+static const TUint scrHelperRangeCount = 2;
+
+static const TInt scrHelperRanges[scrHelperRangeCount] =
+ {
+ 0, // Range-0 - 0 to EBaseSession-1. Not used.
+ CScsServer::EBaseSession, // Range-1 - EBaseSession to KMaxTInt inclusive.
+ };
+
+static const TUint8 scrHelperElementsIndex[scrHelperRangeCount] =
+ {
+ CPolicyServer::ENotSupported, // Range 0 is not supported.
+ 0, // Range 1 must come from the SCR Server.
+ };
+
+static const CPolicyServer::TPolicyElement scrHelperElements[] =
+ {
+ {_INIT_SECURITY_POLICY_S0(KUidScrServer.iUid), CPolicyServer::EFailClient}
+ };
+
+static const CPolicyServer::TPolicy scrHelperPolicy =
+ {
+ CPolicyServer::EAlwaysPass, // Allow all connections
+ scrHelperRangeCount,
+ scrHelperRanges,
+ scrHelperElementsIndex,
+ scrHelperElements,
+ };
+
+/////////////////////
+// CScrHelperServer
+/////////////////////
+
+CScrHelperServer::CScrHelperServer()
+ : CScsServer(ScrHelperServerVersion(), scrHelperPolicy)
+ {
+ // empty
+ }
+
+CScrHelperServer::~CScrHelperServer()
+ {
+ iFs.Close();
+ }
+
+CScrHelperServer* CScrHelperServer::NewLC()
+ {
+ CScrHelperServer* self = new(ELeave) CScrHelperServer();
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ return self;
+ }
+
+void CScrHelperServer::ConstructL()
+ {
+ User::LeaveIfError(iFs.Connect());
+ User::LeaveIfError(iFs.ShareProtected());
+
+ StartL(KScrHelperServerName);
+ CScsServer::ConstructL(KScrHelperServerShutdownPeriod);
+ }
+
+CScsSession* CScrHelperServer::DoNewSessionL(const RMessage2& aMessage)
+/**
+ Implement CScsServer by allocating a new instance of CScrHelperSession.
+
+ @param aMessage Standard server-side handle to message.
+ @return New instance of the SCR Helper session class which is owned by the caller.
+ */
+ {
+ DEBUG_PRINTF(_L8("SCR Helper session creation!"));
+ return CScrHelperSession::NewL(*this, aMessage);
+ }
+
+inline RFs& CScrHelperServer::FileServer()
+ {
+ return iFs;
+ }
+
+/////////////////////
+// CScrHelperSession
+/////////////////////
+
+CScrHelperSession::CScrHelperSession(CScrHelperServer& aServer)
+ : CScsSession(aServer)
+ {
+ // empty
+ }
+
+CScrHelperSession::~CScrHelperSession()
+ {
+ // empty
+ }
+
+CScrHelperSession* CScrHelperSession::NewL(CScrHelperServer &aServer, const RMessage2& aMessage)
+/**
+ Factory function allocates new instance of CScrSession.
+
+ @param aServer SCR Helper Server object.
+ @param aMessage Standard server-side handle to message. Not used.
+ @return Newly created instance of CScrHelperSession which is owned by the caller.
+ */
+ {
+ (void)aMessage; // Make the compiler happy in release mode
+ CScrHelperSession* self = new (ELeave) CScrHelperSession(aServer);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+TBool CScrHelperSession::DoServiceL(TInt aFunction, const RMessage2& aMessage)
+ {
+ TScrHelperServerMessages f = static_cast<TScrHelperServerMessages>(aFunction);
+ RFs& fs = static_cast<CScrHelperServer*>(&iServer)->FileServer();
+
+ switch (f)
+ {
+ case EGetDatabaseFileHandle:
+ GetFileHandleL(fs, aMessage, KScrDatabaseFilePath);
+ break;
+ case EGetJournalFileHandle:
+ GetFileHandleL(fs, aMessage, KScrJournalFilePath);
+ break;
+ default:
+ User::Leave(KErrNotSupported);
+ }
+ //RMessage2 object is closed by both TransferToClient() and SCS framework.
+ //return EFalse to prevent SCS to close the message object.
+ return EFalse;
+ }
+
+void CopyDbFromROMToSystemL(RFs& aFs, const TDesC& aTargetPath)
+ {
+ CFileMan* fileManager = CFileMan::NewL(aFs);
+ CleanupStack::PushL(fileManager);
+ User::LeaveIfError(fileManager->Copy(KScrDbRomPath, aTargetPath, 0));
+
+ // Reset the read-only attribute on the copied file
+ User::LeaveIfError(aFs.SetAtt(aTargetPath, 0, KEntryAttReadOnly));
+ CleanupStack::PopAndDestroy(fileManager);
+ }
+
+void CScrHelperSession::GetFileHandleL(RFs& aFs, const RMessage2& aMessage, const TDesC& aFileName)
+ {
+ DEBUG_PRINTF2(_L("Returning file handle of %S."), &aFileName);
+ RBuf filePath;
+ filePath.CreateL(aFileName.Length());
+ filePath.CleanupClosePushL();
+ filePath.Copy(aFileName);
+ filePath[0] = aFs.GetSystemDriveChar();
+ TInt err = aFs.MkDirAll(filePath);
+ if(KErrNone != err && KErrAlreadyExists != err)
+ {
+ DEBUG_PRINTF3(_L("An error (%d) occured while making all directories of %S."), err, &filePath);
+ User::Leave(err);
+ }
+
+ RFile file;
+ TEntry entry;
+
+ if(KErrNone == aFs.Entry(filePath, entry))
+ { // The file exists, just open it.
+ User::LeaveIfError(file.Open(aFs, filePath, EFileShareAny|EFileWrite));
+ }
+ else
+ { // The file doesn't exist. First, check if the requested file is database or journal file.
+ if(KScrDatabaseFilePath() == aFileName)
+ { // This is the database file. Copy the default one into the requested location.
+ DEBUG_PRINTF(_L8("SCR database file doesn't exist. It is being copied from ROM"));
+ CopyDbFromROMToSystemL(aFs, filePath);
+ // Then, open the file.
+ User::LeaveIfError(file.Open(aFs, filePath, EFileShareAny|EFileWrite));
+ }
+ else
+ { // This is the journal file, simply create an empty file.
+ User::LeaveIfError(file.Create(aFs, filePath, EFileShareAny|EFileWrite));
+ }
+ }
+ CleanupStack::PopAndDestroy(&filePath);
+ CleanupClosePushL(file);
+
+ // Store the RFile handle into the package buffer in slot 0 and complete the message with the RFs handle
+ User::LeaveIfError(file.TransferToClient(aMessage, 0));
+ ASSERT(aMessage.IsNull()); // The message should have been completed
+
+ CleanupStack::PopAndDestroy(&file);
+ }