diff -r 000000000000 -r 3e07fef1e154 testexecfw/tef/logger/src/server.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testexecfw/tef/logger/src/server.cpp	Mon Mar 08 15:03:44 2010 +0800
@@ -0,0 +1,373 @@
+/*
+* 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:  
+* Main log server engine.
+* Process log requests from multiple clients simultaneously.
+*
+*/
+
+
+
+/**
+ @file server.cpp
+*/
+#include "server.h"
+
+const TInt KLowMemBufLength = 128;
+
+CLogServer* CLogServer::NewL()
+/**
+ * @return - Instance of the log server
+ */
+	{
+	CLogServer * server = new (ELeave) CLogServer();
+	CleanupStack::PushL(server);
+	server->ConstructL();
+	// CServer base class call
+	server->StartL(KTestExecuteLogServerName);
+	CleanupStack::Pop(server);
+	return server;
+	}
+
+void CLogServer::ConstructL()
+/**
+ * Second phase construction
+ */
+	{
+	User::LeaveIfError(Fs().Connect());
+	}
+
+
+CLogServer::CLogServer() : CServer2(EPriorityStandard,ESharableSessions)
+/**
+ * Constructor
+ */
+	{
+	}
+
+CLogServer::~CLogServer()
+/**
+ * Destructor
+ */
+	{
+	// Close the array of control structures
+	LogControl().Close();
+	Fs().Close();
+	}
+
+
+CSession2* CLogServer::NewSessionL(const TVersion& /*aVersion*/,const RMessage2& /*aMessage*/) const
+/**
+ * @param RMessage - RMessage for the session open
+ */
+	{
+	// Just create the session
+	CLogSession* session = new (ELeave) CLogSession();
+	return session;
+	}
+
+void CLogServer::ControlComplete(CLogFileControl& aControl)
+/**
+ * @param aControl - Logfile control class reference
+ *
+ * Checks to see if this control session can be removed 
+ */
+	{
+	// Check session count and the data buffers on the queue 
+	if(aControl.SessionCount() || !aControl.QueueEmpty())
+		return;
+
+	// There are no subsessions mapped to the logfile control class and
+	// no data buffers on its write queue
+	// Loop through the server's control array and remove it then delete it
+	TInt i;
+	for(i=0;i<LogControl().Count();i++)
+		{
+		if(&aControl == LogControl()[i])
+			{
+			// Done
+			LogControl().Remove(i);
+			delete &aControl;
+			break;
+			}
+		}
+	// If it's the last one then exit the server
+	if(!LogControl().Count())
+		CActiveScheduler::Stop();
+	}
+
+
+///////
+
+CLogSession::CLogSession()
+/**
+ * Constructor
+ */
+	{
+	}
+
+CLogSession::~CLogSession()
+/**
+ * Destructor
+ */
+	{
+	// Check for null
+	// Session close without a createlog call leaves iControl null
+	if(!iControl)
+		return;
+	// A logfile control structure can have multiple server sessions
+	// decrement its server session count
+	iControl->RemoveSession();
+	CLogServer* p=(CLogServer*) Server();
+	// Shuts Down the server if this is the last open session
+	p->ControlComplete(*iControl);
+	}
+
+void CLogSession::ServiceL(const RMessage2& aMessage)
+/**
+ * @param aMessage - Function and data for the session
+ */
+	{
+	switch(aMessage.Function())
+		{
+		// API CreateLog() call
+		case RTestExecuteLogServ::ECreateLog :
+			{
+			// Sanity check to make sure it's not been called multiple times
+			if(iControl)
+				{
+				aMessage.Complete(KErrInUse);
+				break;
+				}
+			// Get the filepath
+			// size policed on the client side
+			TBuf<KMaxTestExecuteLogFilePath> logFilePath;
+			// Read it
+			aMessage.ReadL(0,logFilePath);
+			// Get the log mode in the second argument
+			RTestExecuteLogServ::TLogMode logMode;
+			logMode = (RTestExecuteLogServ::TLogMode)aMessage.Int1();
+			// Get a pointer to the parent server
+			CLogServer* server=(CLogServer*) Server();
+			// For compare's convert the whole path to lower case
+			logFilePath.LowerCase();
+			// Get rid of leading and trailing spaces.
+			logFilePath.Trim();
+			// Loop the through the server's logfile control class list
+			// to see if there's a match.
+			TInt i;
+			for(i=0;i<server->LogControl().Count();i++)
+				{
+				if(server->LogControl()[i]->LogFile() == logFilePath)
+					// This file's already in open so we don't have to open it
+					break;
+				}
+			TInt err = KErrNone;
+			// Check the count
+			if(i < server->LogControl().Count())
+				// Map this session to an existing logfile control class in the list
+				iControl = server->LogControl()[i];
+			else
+				{
+				// Create a new logfile control class
+				// creates/opens the logfile
+				TRAP(err,iControl = CLogFileControl::NewL(*server,logFilePath,logMode));
+				if(!err)
+					// Append it to the logfile control class list
+					server->LogControl().Append(iControl);
+				}
+			if(!err)
+				// Increment its session count
+				iControl->AddSession();
+			aMessage.Complete(err);
+			}
+			break;
+		// One of the API write calls
+		case RTestExecuteLogServ::EWriteLog :
+			{
+			// Sanity check
+			if(!iControl)
+				{
+				aMessage.Complete(KErrNotFound);
+				break;
+				}
+			// Data can be any size
+			// Get the length from second argument
+			TInt bufferLength = aMessage.Int1();
+			// Get a heap buffer of the right size
+			HBufC8* buffer = NULL;
+			TRAPD(err, buffer = HBufC8::NewL(bufferLength));
+			if (KErrNoMemory == err)
+				{
+				// If the buffer length is bigger than 128 and allocation failed, try to allocate
+				// 128 bytes and set it the low memory information.
+				if (bufferLength > KLowMemBufLength)  
+					{
+					HBufC8* buf = HBufC8::NewL(KLowMemBufLength);
+					CleanupStack::PushL(buf);
+					TPtr8 ptr = buf->Des();
+					ptr.Copy(KLoggerNotEnoughMemory8);
+					CLogBuffer* logBuffer = new (ELeave) CLogBuffer(*buf);
+					CleanupStack::Pop(buf);
+					iControl->AddLogBuffer(*logBuffer);
+					}
+				}
+			else
+				{
+				CleanupStack::PushL(buffer);
+				TPtr8 ptr(buffer->Des());
+				// read the data
+				aMessage.ReadL(0,ptr);			
+				// Get a buffer control class contructed with the heap data
+				// takes ownership
+				CLogBuffer* logBuffer = new (ELeave) CLogBuffer(*buffer);
+				CleanupStack::Pop(buffer);
+				// Add it to the logfile control class buffer queue
+				iControl->AddLogBuffer(*logBuffer);
+				}
+			if(!iControl->IsActive())
+				// AO is idle, kick into life
+				iControl->Kick();
+			aMessage.Complete(KErrNone);
+			}
+			break;
+
+		default:
+			break;
+		}
+	}
+
+///////
+
+CLogFileControl* CLogFileControl::NewL(CLogServer& aParent, const TDesC& aLogFilePath,RTestExecuteLogServ::TLogMode aMode)
+/**
+ * @param aParent - Server reference for callback
+ * @param aLogFilePath - Full path and filename of the logfile
+ * @param aMode - Overwrite or Append
+ *
+ * First phase construction for logfile control class
+ */
+	{
+	CLogFileControl* self = new (ELeave) CLogFileControl(aParent,aLogFilePath);
+	self->ConstructL(aMode);
+	return self;
+	}
+
+CLogFileControl::CLogFileControl(CLogServer& aParent,const TDesC& aLogFilePath) :
+	iParent(aParent),
+	iLogFileName(aLogFilePath),
+	iTransmitted(EFalse)
+/**
+ * @param aParent - Server reference for callback
+ * @param aLogFilePath - Full path and filename of the logfile
+ *
+ * Constructor - Safe initialisation
+ */
+	{
+	iQueue.SetOffset(CLogBuffer::LinkOffset());
+	}
+
+void CLogFileControl::ConstructL(RTestExecuteLogServ::TLogMode aMode)
+/**
+ * @param aMode - Overwrite or Append
+ *
+ * Second phase construction - Create or open the logfile
+ */
+	{
+	if(aMode == RTestExecuteLogServ::ELogModeOverWrite)
+		// In overwrite mode replace
+		User::LeaveIfError(iLogFile.Replace(iParent.Fs(),iLogFileName,EFileWrite|EFileShareAny));
+	else
+		{
+		// For append try open then replace
+		TInt err = iLogFile.Open(iParent.Fs(),iLogFileName,EFileWrite|EFileShareAny);
+		if(err != KErrNone)
+			// Bomb out if replace fails
+			User::LeaveIfError(iLogFile.Replace(iParent.Fs(),iLogFileName,EFileWrite|EFileShareAny));
+		else
+			{
+			// Open worked. Position at EOF
+			TInt pos;
+			User::LeaveIfError(iLogFile.Seek(ESeekEnd,pos));
+			}
+		}
+	}
+
+CLogFileControl::~CLogFileControl()
+/**
+ * Destructor
+ * The server maintains a list of these classes and will not destruct one if there
+ * is data on its queue
+ * Destructor just closes the file handle.
+ */
+	{
+	iLogFile.Close();
+	}
+
+void CLogFileControl::RunL()
+/**
+ * Main File writing pump
+ * Called on write completion or Kick() by the session that accepts the data
+ */
+	{
+#if (defined _DEBUG)
+	_LIT(KPanic,"LogEng RunL()");
+#endif
+	__ASSERT_DEBUG(iStatus.Int() == KErrNone,User::Panic(KPanic,iStatus.Int()));
+	// Check to see if this is the result of write completion
+	if(iTransmitted)
+		{
+		// Write completed
+		// Remove the buffer at the head of the queue and free it
+		CLogBuffer* buffer = iQueue.First();
+		iQueue.Remove(*buffer);
+		delete buffer;
+		}
+	// Check to see if there's more on the queue
+	if(!iQueue.IsEmpty())
+		{
+		// There is so write the head of the queue
+		CLogBuffer* buffer = iQueue.First();	
+		SetActive();
+		// Set the flag to say we've transmitted
+		iTransmitted = ETrue;
+		iLogFile.Write(buffer->Buf(),iStatus);
+		iLogFile.Flush();
+		}
+	else
+		{
+		// Nothing on the queue
+		iTransmitted = EFalse;
+		// Call into the server to check if this resource can be freed
+		iParent.ControlComplete(*this);
+		}
+	}
+
+///////
+CLogBuffer::CLogBuffer(HBufC8& aLogBuffer) : iLogBuffer(aLogBuffer)
+/**
+ * @param aLogBuffer - Heap descriptor. This class takes ownership
+ * Constructor
+ */
+	{
+	}
+
+CLogBuffer::~CLogBuffer()
+/**
+ * Destructor
+ * This class owns a heap buffer so just free it
+ */
+	{
+	delete &iLogBuffer;
+	}