--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serialserver/packetloopbackcsy/src/LoopbackConfig.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,223 @@
+// Copyright (c) 2004-2009 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:
+// This file handles retrieving settings from the config file for the loopback test driver
+// 
+//
+
+/**
+ @file
+*/
+
+
+#include <e32base.h>
+#include <e32std.h>
+#include <e32property.h>
+
+#include <cs_port.h>
+#include "SLOGGER.H"
+#include <d32comm.h>
+#include <c32comm.h>
+#include <e32hal.h>
+
+#include "LoopbackConfig.h"
+
+const TUint KStdDelimiter=',';				// < Standard Delimiter for config file (a comma)
+// config element indicies for elements common to both packet and serial mode
+const TUint KFirstPortConfigElementIndex = 0;
+const TUint KSecondPortConfigElementIndex = 1;
+const TUint KDelayConfigElementIndex = 2;
+// config element indicies for packet mode
+const TUint KQueueLengthConfigElementIndex = 3;
+const TUint KPacketLengthConfigElementIndex = 4;
+// config element indicies for serial mode
+const TUint KTotalBufferSizeConfigElementIndex = 3;
+
+CLoopbackConfig* CLoopbackConfig::NewL()
+	{
+	CLoopbackConfig* me = new(ELeave) CLoopbackConfig();
+	CleanupStack::PushL(me);
+	me->ConstructL();
+	CleanupStack::Pop(me);
+	return me;
+	}
+
+CLoopbackConfig::CLoopbackConfig() : iConfigItems(NULL)
+	{}
+	
+CLoopbackConfig::~CLoopbackConfig()
+	{
+	delete iConfigItems;
+	}
+	
+void CLoopbackConfig::ConstructL()
+	{	
+	RFs fs;
+	User::LeaveIfError(fs.Connect());
+	CTestConfig* configFile = CTestConfig::NewLC(fs, KConfigFileDir, KLoopbackConfigFilename);
+	
+	TBuf8<KMaxName> sectionName;
+	TInt testNum = 0;
+	CTestConfigSection* configSection = NULL;
+	TBool foundSection = EFalse;
+	if (KErrNone == GetTestNumber(testNum))
+		{
+		sectionName.Format(KSectionNameFormat, testNum);
+		configSection = configFile->Section(sectionName);
+		if(configSection != NULL)
+			{
+			foundSection = ETrue;
+			}
+		}
+	if (!foundSection)
+		{
+		// use the [Defaults] section
+		configSection = configFile->Section(KScriptDefaults);
+		}
+	if(configSection == NULL)
+		{
+		CleanupStack::PopAndDestroy(configFile);
+		return;
+		}
+	
+	// if retrieving the port type fails, we leave it at the default
+	iPortType = EPacketLoopbackPortType;
+	const CTestConfigItem* item = NULL;
+	item = configSection->Item(KSerialLoopbackPortType);
+	if (item != NULL)
+		{
+		iPortType = ESerialLoopbackPortType;
+		}
+	
+	TUint portCount = configSection->ItemCount(KPort);
+	// CArrayFixFlat doesn't like a count of 0 for some reason
+	if (portCount == 0)
+		portCount = 1;
+	iConfigItems = new(ELeave) CArrayFixFlat<TLoopbackConfigItem>(portCount);
+	for (TInt i = 0; i < configSection->ItemCount(KPort); i++)
+		{
+		TLoopbackConfigItem newItem;
+		const CTestConfigItem* item = configSection->Item(KPort, i);
+		if(item ==  NULL)
+			continue;
+		else
+			{
+			TInt elementValue = 0;
+			TInt ret = CTestConfig::GetElement(item->Value(), KStdDelimiter, 
+							KFirstPortConfigElementIndex, elementValue);
+			if(ret == KErrNone)
+				{
+				newItem.iPortA = elementValue;
+				}
+			
+			ret = CTestConfig::GetElement(item->Value(), KStdDelimiter, 
+					KSecondPortConfigElementIndex, elementValue);
+			if(ret == KErrNone)
+				{
+				newItem.iPortB = elementValue;
+				}
+			
+			ret = CTestConfig::GetElement(item->Value(), KStdDelimiter, KDelayConfigElementIndex, 
+					elementValue);
+			if(ret == KErrNone)
+				{
+				newItem.iDelay = elementValue;
+				}
+			
+			if (ESerialLoopbackPortType == iPortType)
+				{
+				ret = CTestConfig::GetElement(item->Value(), KStdDelimiter, 
+						KTotalBufferSizeConfigElementIndex, elementValue);
+				if(ret == KErrNone)
+					{
+					newItem.iBufferSize = elementValue;
+					}
+				}
+			else
+				{
+				ret = CTestConfig::GetElement(item->Value(), KStdDelimiter, 
+						KQueueLengthConfigElementIndex, elementValue);
+				if(ret == KErrNone)
+					{
+					newItem.iQueueLength = elementValue;
+					}
+				
+				ret = CTestConfig::GetElement(item->Value(),KStdDelimiter, 
+						KPacketLengthConfigElementIndex, elementValue);
+				if(ret == KErrNone)
+					{
+					newItem.iPacketLength = elementValue;
+					}
+				}
+			}
+		iConfigItems->AppendL(newItem);
+		}
+	
+	CleanupStack::PopAndDestroy(configFile);
+	}
+
+/**
+ @return The number of config items found
+ */
+TUint CLoopbackConfig::Count() const
+	{
+	return iConfigItems->Count();
+	}
+	
+/**
+ @return The configured port type - either packet or serial
+ */
+TPortType CLoopbackConfig::PortType() const
+	{
+	return iPortType;
+	}
+	
+/**
+ Retrieves the settings from the config file for the given port
+ 
+ @param aUnit The port number to retrieve the settings for
+ @param aPort This method assigns the settings to this object
+ 
+ @return KErrNone if the port corresponding to aUnit is found, KErrNotFound otherwise
+ */
+TInt CLoopbackConfig::GetPortSettings(TUint aUnit, TLoopbackConfigItem& aPortSettings) const
+	{
+	for (TInt i = 0; i < iConfigItems->Count(); i++)
+		{
+		if ((iConfigItems->At(i).iPortA == aUnit) || (iConfigItems->At(i).iPortB == aUnit))
+			{
+			LOGTEXT2(_L8("Found port settings for unit = %d"), aUnit);
+			aPortSettings = iConfigItems->At(i);
+			return KErrNone;
+			}
+		}
+	LOGTEXT2(_L8("Could not find port settings for unit = %d"), aUnit);
+	return KErrNotFound;
+	}
+
+TInt CLoopbackConfig::GetTestNumber(TInt& aTestNumber)
+/**
+ * Retrieve the test number.
+ * Use the test number corresonding the the publish and subsciber property KPSLoopbackCsyTestNumber
+ */
+	{
+	TInt ret0 = RProperty::Get(KUidPSPacketLoopbackCsyCategory, KPSLoopbackCsyTestNumber, 
+								aTestNumber);
+	if (ret0 == KErrNone && aTestNumber >= 0)
+		{
+		LOGTEXT2(_L8("Got system property KPSLoopbackCsyTestNumber. testNumber=%d"), aTestNumber);
+		return KErrNone;
+		}
+	return KErrNotFound;
+	}
+