// Copyright (c) 2002-2009 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 <e32test.h>

#include "bm_suite.h"

class RIpcSession : public RSessionBase

	{

public:

	TInt CreateSession(TDesC& aName, TVersion aVer, TInt aSlots)

		{

		return RSessionBase::CreateSession(aName, aVer, aSlots);

		}

	void SendReceive(TInt aService, TIpcArgs& args, TRequestStatus& aStatus)

		{

		RSessionBase::SendReceive(aService, args, aStatus);

		}

	TInt SendReceive(TInt aService, TIpcArgs& args)

		{

		return RSessionBase::SendReceive(aService, args);

		}

	};

class CIpcScheduler : public CActiveScheduler

	{

public:

	CIpcScheduler()

		{

		CActiveScheduler::Install(this);

		}

	};

class CIpcServer : public CServer2

	{

public:

	enum TService 

		{

		ERunTest,

		EGetTimes,

		EStop

		};

	struct TServerTimes

		{

		TBMTicks iNewSessionEntryTime;

		TBMTicks iNewSessionLeaveTime;

		TBMTicks iServiceLTime;

		};

	CIpcServer() : CServer2(0)

		{

		}

	virtual CSession2* NewSessionL(const TVersion& aVer, const RMessage2&) const;

	TServerTimes	iTimes;

	static TInt Entry(TAny* ptr);

	};

class CIpcSession : public CSession2

	{

public:

	CIpcSession(CIpcServer* aServer)

		{

		iServer = aServer;

		}

	virtual void ServiceL(const RMessage2& aMessage);

	CIpcServer*	iServer;

	};

class SpawnArgs : public TBMSpawnArgs

	{

public:

	TBuf<16>	iServerName;

	TVersion	iVersion;

	RSemaphore	iSem;

	TInt		iIterationCount;

	SpawnArgs(const TPtrC& aServerName, TInt aPrio, TInt aRemote, TInt aIter);

	void Close();

	void ServerOpen();

	void ServerClose();

	};

SpawnArgs::SpawnArgs(const TPtrC& aServerName, TInt aPrio, TInt aRemote, TInt aIter) :

	TBMSpawnArgs(CIpcServer::Entry, aPrio, aRemote, sizeof(*this)),

		iServerName(aServerName),

		iVersion(1,0,1), 

		iIterationCount(aIter)

	{

	TInt r;

	if (aRemote)

		{

		r = iSem.CreateGlobal(_L("Semaphore"), 0);

		BM_ERROR(r, r == KErrNone);

		}

	else

		{

		r = iSem.CreateLocal(0);

		BM_ERROR(r, r == KErrNone);

		}

	}

void SpawnArgs::ServerOpen()

	{

	if (iRemote)

		{

		iSem.Duplicate(iParent);

		}

	}

void SpawnArgs::ServerClose()

	{

	if (iRemote)

		{

		iSem.Close();

		}

	}

void SpawnArgs::Close()

	{

	iSem.Close();

	}

void CIpcSession::ServiceL(const RMessage2& aMessage)

	{

	CIpcServer::TService f = (CIpcServer::TService) aMessage.Function();

	switch (f) 

		{

	case CIpcServer::ERunTest:

		::bmTimer.Stamp(&iServer->iTimes.iServiceLTime);

		break;

	case CIpcServer::EGetTimes:

		aMessage.WriteL(0, TPtrC8((TUint8*) &iServer->iTimes, sizeof(iServer->iTimes)));

		break;

	case CIpcServer::EStop:

		CActiveScheduler::Stop();

		break;

	default:

		BM_ASSERT(0);

		}

	aMessage.Complete(KErrNone);

	}

CSession2* CIpcServer::NewSessionL(const TVersion&, const RMessage2&) const

	{

	CIpcServer* srv = (CIpcServer*) this;

	::bmTimer.Stamp(&srv->iTimes.iNewSessionEntryTime);

	CSession2* s  = new CIpcSession(srv);

	BM_ERROR(KErrNoMemory, s);

	::bmTimer.Stamp(&srv->iTimes.iNewSessionLeaveTime);

	return s;

	}

TInt CIpcServer::Entry(TAny* ptr)

	{

	SpawnArgs* sa = (SpawnArgs*) ptr;

	sa->ServerOpen();

	CIpcScheduler* sched = new CIpcScheduler();

	BM_ERROR(KErrNoMemory, sched);

	CIpcServer* srv = new CIpcServer();

	BM_ERROR(KErrNoMemory, srv);

	TInt r = srv->Start(sa->iServerName);

	BM_ERROR(r, r == KErrNone);

		// signal to the parent the end of the server intialization

	sa->iSem.Signal();

	sched->Start();

	delete srv;

	delete sched;

	sa->ServerClose();

	return KErrNone;

}

static const TInt KMaxIpcLatencyResults = 5;

class IpcLatency : public BMProgram

	{

public :

	TBool		iRemote;

	TInt		iPriority;

	TBMResult	iResults[KMaxIpcLatencyResults];

	IpcLatency(TBool aRemote, TInt aPriority) : 

		BMProgram(

			aRemote 

				? ((aPriority == KBMPriorityHigh) 

				: ((aPriority == KBMPriorityHigh) 

		{

		iPriority = aPriority;

		iRemote = aRemote;

		}

	virtual TBMResult* Run(TBMUInt64 aIter, TInt* aCount);

	};

TBMResult* IpcLatency::Run(TBMUInt64 aIter, TInt* aCount)

	{

	SpawnArgs sa(_L("BMServer"), iPriority, iRemote, (TInt) aIter);

		// spawn the server

	MBMChild* child = SpawnChild(&sa);

	TInt n = 0;

	iResults[n++].Reset(_L("Connection Request Latency"));

	iResults[n++].Reset(_L("Connection Reply Latency"));

	iResults[n++].Reset(_L("Request Latency"));

	iResults[n++].Reset(_L("Request Response Time"));

	iResults[n++].Reset(_L("Reply Latency"));

	BM_ASSERT(KMaxIpcLatencyResults >= n);

		// wait for the srever intialization

	sa.iSem.Wait();

		// wait 2ms (ie more than one tick) to allow the server to complete its ActiveScheduler intialization ...

	User::After(2000);

	RIpcSession s;

	for (TBMUInt64 i = 0; i < aIter; ++i)

		{	

		TBMTicks t1;

		::bmTimer.Stamp(&t1);

		TInt r = s.CreateSession(sa.iServerName, sa.iVersion, 1);

		BM_ERROR(r, r == KErrNone);

		TBMTicks t2;

		::bmTimer.Stamp(&t2);

		TRequestStatus st;

		TBMTicks t3;

		::bmTimer.Stamp(&t3);

			{

			TIpcArgs args;

			s.SendReceive(CIpcServer::ERunTest, args, st);

			}

		TBMTicks t4;

		::bmTimer.Stamp(&t4);

		User::WaitForRequest(st);

		BM_ERROR(r, st == KErrNone);

		TBMTicks t5;

		::bmTimer.Stamp(&t5);

		CIpcServer::TServerTimes serverTimes;

		TPtr8 serverTimesDes((TUint8*) &serverTimes, sizeof(serverTimes), sizeof(serverTimes));

			{

			TIpcArgs args(&serverTimesDes);

			r = s.SendReceive(CIpcServer::EGetTimes, args);

			BM_ERROR(r, r == KErrNone);

			}

		s.Close();	

		n = 0;

		iResults[n++].Cumulate(TBMTicksDelta(t1, serverTimes.iNewSessionEntryTime));

		iResults[n++].Cumulate(TBMTicksDelta(serverTimes.iNewSessionLeaveTime, t2));

		iResults[n++].Cumulate(TBMTicksDelta(t3, serverTimes.iServiceLTime));

		iResults[n++].Cumulate(TBMTicksDelta(t3, t4));

		iResults[n++].Cumulate(TBMTicksDelta(serverTimes.iServiceLTime, t5));

		BM_ASSERT(KMaxIpcLatencyResults >= n);	

			// wait 2ms (ie more than one tick) to allow the server to complete.

		User::After(2000);

		}

	TInt r = s.CreateSession(sa.iServerName, sa.iVersion, 1);

	BM_ERROR(r, r == KErrNone);

		{

		TIpcArgs args;

		s.SendReceive(CIpcServer::EStop, args);

		}

	s.Close();

	child->WaitChildExit();

	sa.Close();

	for (TInt j = 0; j < KMaxIpcLatencyResults; ++j)

		{

		iResults[j].Update();

		}

	*aCount = KMaxIpcLatencyResults;

	return iResults;

	}

IpcLatency test1(EFalse,KBMPriorityHigh);

IpcLatency test2(EFalse,KBMPriorityLow );

IpcLatency test3(ETrue, KBMPriorityHigh);

IpcLatency test4(ETrue, KBMPriorityLow );

void AddIpc()

	{

	BMProgram* next = bmSuite;

	bmSuite=(BMProgram*)&test4;

	bmSuite->Next()=next;

	bmSuite=(BMProgram*)&test3;

	bmSuite->Next()=&test4;

	bmSuite=(BMProgram*)&test2;

	bmSuite->Next()=&test3;

	bmSuite=(BMProgram*)&test1;

	bmSuite->Next()=&test2;

	}