traceservices/tracefw/ulogger/src/command/uloggercommands.cpp
changeset 0 08ec8eefde2f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/traceservices/tracefw/ulogger/src/command/uloggercommands.cpp	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,215 @@
+// Copyright (c) 2007-2009 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:
+// ULogger commands
+// 
+//
+
+/**
+ @file
+ @internalTechnology
+ @prototype
+*/
+
+#include "uloggercommands.h"
+#include "uloggershared.h"
+using namespace Ulogger;
+
+CCommand::CCommand(MCommandImpl* aCommandImpl)
+: iCommandImpl(aCommandImpl)
+	{
+	}
+
+EXPORT_C CCommand::~CCommand()
+	{
+	iCommandsLookup.Close();
+	}
+
+EXPORT_C CCommand* CCommand::NewL(MCommandImpl* aCommandImpl)
+	{
+	CCommand* obj = CCommand::NewLC(aCommandImpl);
+	CleanupStack::Pop( obj );
+	return obj;
+	}
+
+EXPORT_C CCommand* CCommand::NewLC(MCommandImpl* aCommandImpl)
+	{
+	CCommand* obj = new (ELeave) CCommand(aCommandImpl);
+	CleanupStack::PushL( obj );
+	obj->ConstructL();
+	return obj;
+	}
+
+EXPORT_C void CCommand::ConstructL()
+	{
+	iVerbose = EFalse;
+	
+	//fill the lookup table
+	//two command matters
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdPrimaryFilter, ESetPrimaryFilter) ); // -ef 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdSecondaryFilter, ESetSecondaryFilter) ); // -es 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdSecondaryFilterToggle, EEnableSecondaryFiltering) ); // -eS 
+	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdSecondaryFilterToggle, EDisableSecondaryFiltering) ); // -dS 
+	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdPluginConfigurations, ERemovePluginSettings) ); // -dc 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdOutputPlugin, EGetInstalledPlugins) ); // -lo 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdPluginConfigurations, EGetPluginSettings) ); // -lc 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdPrimaryFilter, EGetPrimaryFilters) ); // -lf 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdSecondaryFilter, EGetSecondaryFilters) ); // -ls 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdSecondaryFilterToggle, EGetSecondaryFiltering) ); // -lS 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdBuffer, EResizeTraceBuffer) ); // -eb 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdBuffer, EGetTraceBufferSize) ); // -lb 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdBufferMode, ESetBufferMode) ); // -em
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdBufferMode, EGetBufferMode) ); // -lm 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdNotification, ESetDataNotificationSize) );// -en
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdNotification, EGetDataNotificationSize) ); // -ln 
+	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdPrimaryFilter, ERemovePrimaryFilter) ); // -df 
+	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdSecondaryFilter, ERemoveSecondaryFilter) ); // -ds 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdPluginConfigurations, ESetPluginSettings) ); // -ec 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdOutputPlugin, ESetActivePlugin) ); // -eo 
+	iCommandsLookup.Append( TCommandLookup(&KCmdEnable, &KCmdInputPlugin, ESetActiveInputPlugin) ); // -ei 
+	iCommandsLookup.Append( TCommandLookup(&KCmdDisable, &KCmdInputPlugin, EDeactivateInputPlugin) ); // -di 
+	iCommandsLookup.Append( TCommandLookup(&KCmdList, &KCmdInputPlugin, EGetInputPlugins) ); // -li 
+	//only main command matters
+	iCommandsLookup.Append( TCommandLookup(&KCmdStart, &KNullDesC, EStart) ); // -r 
+	iCommandsLookup.Append( TCommandLookup(&KCmdStop, &KNullDesC, EStop) ); // -q 
+	iCommandsLookup.Append( TCommandLookup(&KCmdRestart, &KNullDesC, ERestart) ); // -t   	
+	iCommandsLookup.Append( TCommandLookup(&KCmdOutputPlugin, &KNullDesC, EGetActivePlugin) ); // -o 
+	iCommandsLookup.Append( TCommandLookup(&KCmdInputPlugin, &KNullDesC, EGetActiveInputPlugin) ); // -i 
+	iCommandsLookup.Append( TCommandLookup(&KCmdHelp, &KNullDesC, EHelp) ); // -h 
+	iCommandsLookup.Append( TCommandLookup(&KCmdMan, &KNullDesC, EManPage) ); // -H 
+	iCommandsLookup.Append( TCommandLookup(&KCmdVersion, &KNullDesC, EVersion) ); // -version 
+	
+	}
+
+/**
+This function parses commands given as a parameter and generates TCommand value.
+The function is responsible also for triggering event for MCommandImpl
+
+@param aArgs array of arguments to parse
+@return KErrNone if commands were parsed successfully and event was triggered, system wide error code otherwise
+ */
+EXPORT_C TInt CCommand::HandleCommandL(const RArray<TPtrC>& aArgs)
+	{	
+	TBool optionsConsumed = EFalse;
+	RArray<TPtrC> commands;
+	CleanupClosePushL( commands );
+	RBuf command;
+	CleanupClosePushL(command);
+	TInt maxSize=2;
+	for(TInt k=0; k<aArgs.Count(); ++k) //calculate max command length
+		maxSize += aArgs[k].Length();
+	User::LeaveIfError(command.Create(maxSize));
+	
+	for(TInt i=0; i<aArgs.Count(); ++i)
+		{
+		TPtrC argPtr(aArgs[i]);
+		
+		//the 'version' command is the special case
+		if(!argPtr.Mid(1).Compare(KCmdVersion))
+			{
+			TPtrC ptr(argPtr.Mid(1));
+			commands.AppendL(ptr);
+			continue;
+			}
+		
+		//check if we have to parse combined commands (like -ca)
+		//other arguments are added to new array for further processing
+		TBuf<1> cmdChecker;
+		cmdChecker.Copy( argPtr.Mid(0,1) );
+		if(!cmdChecker.Compare(KCmdIndicator) && !optionsConsumed)
+			{			
+			//if there is option 'v' (verbose), this option shoul be removed
+			//desc:
+			//command data format: 'command param1 param2 paramN'
+			//where:
+			//command: ia string with commands letters, for example: 'lf', 'esv'
+			//paramN: is parameter string, for example 'uloggerserialplugin'
+			//array example: 'ec uloggerserialplugin output_port 3'
+			
+			for(TInt k=1; k<argPtr.Length(); ++k)
+				{
+				TPtrC ptr(argPtr.Mid(k,1));
+				if(!ptr.Compare(KCmdVerboseMode))
+					iVerbose = ETrue;
+				else
+					command.AppendFormat(_L("%S"), &ptr);
+				}
+			//put command as a first element in array
+			if(commands.Count() > 0)
+				{
+				commands.Remove(0);
+				User::LeaveIfError(commands.Insert(command, 0));
+				}
+			else
+				commands.AppendL(command);
+			
+			
+			optionsConsumed = ETrue;
+			}
+		else
+			commands.AppendL(argPtr);
+		}
+	
+	TInt errCode = PrepareCommandL( commands );	
+	CleanupStack::PopAndDestroy(2); //command, commands
+	return errCode;
+	}
+
+
+/** This method uses lookup table to translate user readable commands into TCommand value.
+@param aArgs Array of arguments.
+@return KErrNone if command was preapared correctly and system wide error code otherwise
+ */
+TInt CCommand::PrepareCommandL(RArray<TPtrC>& aArgs)
+	{
+	TInt i;
+	TInt lookupArraySize = iCommandsLookup.Count();
+	
+	if(aArgs.Count() == 0)
+		return iCommandImpl->DoCommandL(EUnknown, aArgs);
+	
+	//first elements contains command letters
+	TPtrC cmd(aArgs[0]);
+	if(cmd.Length() <= KMaxNumberOfLettersInCommand) //we want precise command 
+		{
+		//check two arguments - 1st pass
+		for(i=0; i<lookupArraySize; ++i)
+			{
+			if(cmd.Length() == 2) 
+				if(!iCommandsLookup[i].iMainCommand->Compare(cmd.Mid(0,1)))
+					if(!iCommandsLookup[i].iSubCommand->Compare(cmd.Mid(1,1)))
+						{
+						aArgs.Remove(0);
+						return iCommandImpl->DoCommandL(iCommandsLookup[i].iCommand, aArgs);
+						}
+			}
+
+		//check two arguments - 2nd pass
+		for(i=0; i<lookupArraySize; ++i)
+			{
+			//check one argument
+			if(cmd.Length() == 1) 
+				if(!iCommandsLookup[i].iMainCommand->Compare(cmd.Mid(0,1)))
+					{
+					//make sure that none of the 'two letters commands' will not be called
+					if(iCommandsLookup[i].iSubCommand->Compare(KNullDesC))
+						continue;
+					aArgs.Remove(0);
+					return iCommandImpl->DoCommandL(iCommandsLookup[i].iCommand, aArgs);
+					}
+			}
+		}
+	
+	return iCommandImpl->DoCommandL(EUnknown, aArgs);
+	}
+