// Copyright (c) 2007-2010 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:

// Tests the run mode debug device component by launching multiple targets 

// on different CPUs. On a single core the targets run on the same CPU.  

//

#include <e32base.h>

#include <e32property.h>

#include <hal.h>

#include <e32test.h>

#include <e32def.h>

#include <e32svr.h>

#include "t_rmdebug_app.h"

#include "t_multi_agent.h"

#include "t_agent_eventhandler.h"

#include "t_debug_logging.h"

const TVersion securityServerVersion(0,1,1);

/**

 * First phase constructor

 */

CMultiAgent* CMultiAgent::NewL()

	{

	CMultiAgent* self = new(ELeave) CMultiAgent();

	self->ConstructL();

	return self;

	}

/**

  * Destructor

  */

CMultiAgent::~CMultiAgent()

	{

	LOG_MSG("~CMultiTargetAgent\n");

	iServSession.Close();

	}

/**

 * Constructor

 */

CMultiAgent::CMultiAgent() 

	{

	}

/**

 * Second phase constructor

 */

void CMultiAgent::ConstructL()

	{

	}

/**

  Parse the command line, set agent cpu affinity and call main test function

  */

void CMultiAgent::ClientAppL()

	{

	LOG_MSG("ENTER: CMultiTargetAgent::ClientAppL"); 

	iNumApps = KNumApps;

	iAgentCpuNo = KAgentCpu;

	iTargetNameOffset = KTargetOffset;

	TInt argc = User::CommandLineLength();

	HBufC* commandLine = NULL;

	LOG_MSG2(">Launcher Process() argc=%d", argc);

	if(argc)

		{

		commandLine = HBufC::NewLC(argc);

		TPtr commandLineBuffer = commandLine->Des();

		User::CommandLine(commandLineBuffer);

		RBuf printCommandLine;

		CleanupClosePushL(printCommandLine);

		printCommandLine.CreateL(commandLine->Des().Length());

		printCommandLine.Copy(commandLine->Des());

		printCommandLine.Collapse();

		LOG_MSG2(">command line = %S", &printCommandLine );

		CleanupStack::PopAndDestroy( &printCommandLine );

		// create a lexer and read through the command line

		TLex lex(*commandLine);

		while (!lex.Eos())

		{

			// only look for options with first character '-'

			if (lex.Get() == '-')

			{

			TChar arg = lex.Get();

				switch ( arg )

				{

				case 'n':

					lex.Val( iNumApps );

					LOG_MSG2("parsed numApps as %d", iNumApps); 

					break;

				case 'a':

					lex.Val( iAgentCpuNo );

					LOG_MSG2("parsed agentCpuNo as %d", iAgentCpuNo);                        

					break;

				case 'o':

					lex.Val( iTargetNameOffset );

					LOG_MSG2("parsed iTargetNameOffset as %d", iTargetNameOffset);        

					break;

				default:

					LOG_MSG("Bad argument from user"); 

					break;                 

				}

			}

		}

	}

	// Create active scheduler (to run active objects)

	CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();

	CleanupStack::PushL(scheduler);

	CActiveScheduler::Install(scheduler);

	if (iAgentCpuNo)

		{

		LOG_MSG2("CMultiAgent::ClientAppL() - setting agent to cpu %d", iAgentCpuNo);

		UserSvr::HalFunction(EHalGroupKernel, EKernelHalLockThreadToCpu, (TAny *)iAgentCpuNo, 0);

		}

	TInt err = iServSession.Connect(securityServerVersion);

	if (err != KErrNone)

		{

		User::Panic(_L("Can't open server session"), err);

		}

	StartTest();

	// Note: below is a workaround to overcome an issue with RTest server crashing 

	// when writing to the windows console from different agents (on different CPUs 

	// at the same time). To overcome this we signal the launcher using a global 

	// semaphore to indicate a RTest complete instead

	RSemaphore launchSemaphore;

	CleanupClosePushL(launchSemaphore);

	TFindSemaphore launchSemFinder(KLaunchSemaphoreSearchString);

	TFullName semaphoreResult;

	TInt ret = launchSemFinder.Next(semaphoreResult);

	LOG_MSG3( "> Find Launch Semaphote.Next ret=%d, %lS", ret, &semaphoreResult);

	ret = launchSemaphore.OpenGlobal(semaphoreResult);

	LOG_MSG2( ">OpenGlobal semaphore ret=%d", ret );         

	LOG_MSG( ">Signalling semaphore" );

	launchSemaphore.Signal();

	CleanupStack::PopAndDestroy(&launchSemaphore); // launchSemaphore

	// Delete active scheduler

	CleanupStack::PopAndDestroy(scheduler);

	if (commandLine)

	CleanupStack::PopAndDestroy(commandLine);

	LOG_MSG( "EXIT: CMultiTargetAgent::ClientAppL"); 

	}

/**

  Launch a process

  @param aProcess the RProcess object used to create the process

  @param aFileName file name of the executable used to create the process

  @return KErrNone on success, or one of the other system wide error codes

  */

TInt CMultiAgent::LaunchProcess(RProcess& aProcess, const TDesC& aExeName, const TDesC& aCommandLine)    

	{

	LOG_MSG( "ENTER: CMultiAgent::LaunchProcess");

    LOG_MSG2("%S", &TPtr8((TUint8*)aExeName.Ptr(), 2*aExeName.Length(), 2*aExeName.Length()));	

	// wait for 0.5 seconds due to issue with creating several processes in smp quickly

	User::After(500000);

	TInt err = aProcess.Create( aExeName, aCommandLine );

	LOG_MSG2( "CMultiAgent::LaunchProcess, aProcess.Create err = %d", err); 

	// check that there was no error raised

	if (err != KErrNone)

		return err;

	// rendezvous with process

	TRequestStatus status = KRequestPending;

	aProcess.Rendezvous(status);

	if (KRequestPending != status.Int())

		{

		// startup failed so kill the process

		LOG_MSG2( "> RProcess Rendezvous() failed with %d. Killing process", status.Int() );

		aProcess.Kill(KErrNone);

		LOG_MSG( "EXIT: CMultiAgent::LaunchProcess");

		return status.Int();

		}

	else

		{

		// start the test target

		aProcess.Resume();

		User::WaitForRequest(status);

		LOG_MSG2( "> CMultiAgent::LaunchProcess: RProcess Resume() Rendezvous successful %d: ", status.Int() );

		if(KErrNone != status.Int())

			{

			LOG_MSG2( "> RProcess Resume() failed with %d. Killing process", status.Int() );

			aProcess.Kill(KErrNone);

			}

		LOG_MSG( "EXIT: CMultiAgent::LaunchProcess");

		return status.Int();

		}

	}

/**

  Handle Event

  @param aEventInfo object containing event information from the DSS 

  */

void CMultiAgent::HandleEvent(TEventInfo& aEventInfo)

	{

	LOG_MSG( "ENTER: CMultiAgent::HandleEvent" ); 

	TInt ret = KErrNone;

	const TInt idValid = 1;

	switch ( aEventInfo.iEventType )

		{

		case EEventsAddProcess:

			{

			LOG_MSG(">> EEventsAddProcess");                        

			TPtrC8 exeNamePtr8(aEventInfo.iAddProcessInfo.iFileName, aEventInfo.iAddProcessInfo.iFileNameLength);

			RBuf8 exeName8;

			CleanupClosePushL(exeName8);

			exeName8.CreateL(exeNamePtr8);

			LOG_MSG2("From event: exeName8=%S", &exeName8);

			CleanupStack::PopAndDestroy(&exeName8);

			LOG_MSG("Testing if event process id is valid");

			LOG_MSG2("Got aEventInfo.iProcessId=%d", I64LOW( aEventInfo.iProcessId));

			__ASSERT_ALWAYS((aEventInfo.iProcessIdValid==idValid), User::Panic(_L("ProcessId Invalid"), aEventInfo.iProcessIdValid));

			RProcess targetProc;

			ret = targetProc.Open(TProcessId(aEventInfo.iProcessId));

			LOG_MSG2("RProcess open ret=%d", ret);

			targetProc.Close();

			__ASSERT_ALWAYS((ret == KErrNone), User::Panic(_L("ProcessId Invalid"), aEventInfo.iProcessIdValid));

			break;

			}

		case EEventsStartThread:

			{

			LOG_MSG(">> EEventsStartThread");                

			TPtrC8 exeNamePtr8(aEventInfo.iStartThreadInfo.iFileName, aEventInfo.iStartThreadInfo.iFileNameLength);

			RBuf8 exe8Name;

			CleanupClosePushL(exe8Name);

			exe8Name.CreateL(exeNamePtr8);

			LOG_MSG2("From event: exeName8=%S", &exe8Name);

			CleanupStack::PopAndDestroy(&exe8Name);

			LOG_MSG("Testing if event process id is valid" );

			__ASSERT_ALWAYS((aEventInfo.iProcessIdValid==idValid), User::Panic(_L("ProcessId Invalid"), aEventInfo.iProcessIdValid));

			LOG_MSG2("Got aEventInfo.iProcessId=%d", I64LOW(aEventInfo.iProcessId));

			LOG_MSG("Testing if event thread id is valid");

			__ASSERT_ALWAYS((aEventInfo.iThreadIdValid==idValid), User::Panic(_L("ThreadId Invalid"), aEventInfo.iThreadIdValid));

			LOG_MSG2("Got aEventInfo.iThreadId=%d", I64LOW(aEventInfo.iThreadId));

			break;                    

			}                       

		case EEventsUserTrace:

			{

			LOG_MSG(">> EEventsUserTrace");  

			break;

			}

		case EEventsRemoveProcess:

			{

			LOG_MSG( ">> EEventsRemoveProcess");                        

			iLaunchCompleted++; 

			break;

			}

		default:   

			{

			LOG_MSG( ">> Unknown event - probably due to DSS busy?");

			break;

			}	

		}

	LOG_MSG("EXIT: CMultiAgent::HandleEvent"); 

	}

/**

 * Main test function which launches several targets and stresses the DSS 

 */

TInt CMultiAgent::StartTest()

	{

	LOG_MSG("ENTER: CMultiTargetAgent::StartTest");

	for( TInt i = 0; i < iNumApps; i++ )

		{

		RBuf targetName;

		RBuf launcherOptions;

		CleanupClosePushL(targetName); 

		CleanupClosePushL(launcherOptions); 

		targetName.CreateL( KTargetExe().Length() + 2 );

		targetName.Format( KTargetExe(), i + iTargetNameOffset + 1 );

		LOG_MSG2("App %d: ", i+1);

		LOG_MSG2("%S", &TPtr8((TUint8*)targetName.Ptr(), 2*targetName.Length(), 2*targetName.Length()));	

		launcherOptions.CreateL( KTargetOptions().Length() + 2 );

		launcherOptions.Format( KTargetOptions(), (TUint)ENormalExit, (i+1) );

		LOG_MSG( "AppOptions : ");

		LOG_MSG2("%S", &TPtr8((TUint8*)launcherOptions.Ptr(), 2*launcherOptions.Length(), 2*launcherOptions.Length()));	

		// Add each test target to array

		iTargetList.AppendL(CAgentAsyncEvent::NewL(*this, targetName, launcherOptions));

		CleanupStack::PopAndDestroy(2, &targetName );

		}

	iLaunchCompleted = 0;

	TInt err = KErrNone;

	for (TInt i = 0; i < iNumApps; i++)

		{

		// Attach to process non-passively

		LOG_MSG2( ">AttachExecutable app %d ", i + iTargetNameOffset + 1 );

		LOG_MSG2("%S", &TPtr8((TUint8*)iTargetList[i]->GetExecutable().Ptr(), 2*iTargetList[i]->GetExecutable().Length(), 

					2*iTargetList[i]->GetExecutable().Length()));

		err = iServSession.AttachExecutable( iTargetList[i]->GetExecutable(), EFalse);

		__ASSERT_ALWAYS((err == KErrNone), User::Panic(_L("DSS Attach failed"), err));

		// Continue on interested event actions

		LOG_MSG2( ">SetEventAction app %d,  EEventsStartThread EAcionContinue", i + iTargetNameOffset + 1);

		err = iServSession.SetEventAction( iTargetList[i]->GetExecutable(), EEventsStartThread, EActionContinue);

		__ASSERT_ALWAYS((err==KErrNone), User::Panic(_L("SetEventAction Error"), err));

		LOG_MSG2(">SetEventAction app %d,  EEventsAddProcess EActionContinue", i + iTargetNameOffset + 1);

		err = iServSession.SetEventAction( iTargetList[i]->GetExecutable(), EEventsAddProcess, EActionContinue);

		__ASSERT_ALWAYS((err==KErrNone), User::Panic(_L("SetEventAction Error"), err));

		LOG_MSG2(">SetEventAction app %d,  EEventsUserTrace EActionContinue", i + iTargetNameOffset + 1);

		err = iServSession.SetEventAction( iTargetList[i]->GetExecutable(), EEventsUserTrace, EActionContinue);

		__ASSERT_ALWAYS((err==KErrNone), User::Panic(_L("SetEventAction Error"), err));

		LOG_MSG2(">SetEventAction app %d,  EEventsRemoveProcess EActionContinue", i + iTargetNameOffset + 1);

		err = iServSession.SetEventAction( iTargetList[i]->GetExecutable(), EEventsRemoveProcess, EActionContinue);

		__ASSERT_ALWAYS((err==KErrNone), User::Panic(_L("SetEventAction Error"), err));

		// Add target object to active schedular

		iTargetList[i]->Watch();

		}

	for (TInt i= 0; i< iNumApps; i++)

		{

		LOG_MSG( ">Calling LaunchProcess function");

		err = LaunchProcess(iTargetList[i]->GetProcHandle(), iTargetList[i]->GetExecutable(), iTargetList[i]->GetExeConfig());

		__ASSERT_ALWAYS((err==KErrNone), User::Panic(_L("LaunchProcess failed"), err));

		}

	LOG_MSG( ">CActiveScheduler::Start()");

	CActiveScheduler::Start();

	for (TInt i= 0; i < iNumApps; i++)

		{

		// Now detach again

		LOG_MSG( "Before iServSession.DetachExecutable" );

		err = iServSession.DetachExecutable(iTargetList[i]->GetExecutable());

		__ASSERT_ALWAYS((err==KErrNone), User::Panic(_L("DetachExecutable failed"), err));

		}

	// Free all the memory

	iTargetList.ResetAndDestroy();

	LOG_MSG( "EXIT: CMultiTargetAgent::StartTest" );

	return KErrNone;

	}

/**

  * Entry point for run mode debug driver test

  */

GLDEF_C TInt E32Main()

	{

	LOG_MSG( "ENTER: Multi_agent E32Main ");

	__UHEAP_MARK;

	TInt ret = KErrNone;

	RProcess::Rendezvous(KErrNone);

	CTrapCleanup* trap = CTrapCleanup::New();

	if (!trap)

		return KErrNoMemory;

	CMultiAgent *runModeAgent = CMultiAgent::NewL();

	if (runModeAgent != NULL)

		{

		TRAP(ret,runModeAgent->ClientAppL());

		LOG_MSG2( "ClientAppL returned %d", ret );

		delete runModeAgent;

		}

	delete trap;

	__UHEAP_MARKEND;

	LOG_MSG( "EXIT: Multi_agent E32Main ");

	return ret;

	}