/**

 * Copyright (c) 2010 Sasken Communication Technologies Ltd.

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the "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:

 * Pritam Roy Biswas, Sasken Communication Technologies Ltd - Initial contribution

 *

 * Description:

 *  Client-side handle to a session with a server. Derives from RSessionBase to 

 *   create a communicating channel with the server.

 *

 */

#include "smfcredmgrclientsession.h"

// The number of connection attempts.

const TInt KConnectAttempts = 2;

//  Global Functions

static TInt StartServer()

	{

	RProcess server;

	TInt r = server.Create(KCredMgrServerName, KNullDesC);

	if (r != KErrNone)

		{

		return r;

		}

	TRequestStatus stat = KRequestPending;

	server.Rendezvous(stat);

	if (stat != KRequestPending)

		server.Kill(0);

	else

		server.Resume();

	User::WaitForRequest(stat);

	TExitType et = server.ExitType();

	TInt code = stat.Int();

	r = (et == EExitPanic) ? KErrGeneral : code;

	server.Close();

	return KErrNone;

	}

RSmfCredMgrClientSession::RSmfCredMgrClientSession()

	{

	}

TInt RSmfCredMgrClientSession::connectToServer()

	{

	TInt retry = KConnectAttempts;

	TInt r = 0;

	for (;;)

		{

		r = CreateSession(KCredMgrServerName, Version(), 1);

		if (r == KErrNone)

			{

			break;

			}

		else if (r != KErrNotFound && r != KErrServerTerminated)

			{

			return r;

			}

		if (--retry == 0)

			{

			return r;

			}

		r = StartServer();

		if (r != KErrNone && r != KErrAlreadyExists)

			{

			return r;

			//error 

			}

		}

	return r;

	}

TVersion RSmfCredMgrClientSession::Version() const

	{

	return (TVersion(KSecureServMajorVersionNumber,

			KSecureServMinorVersionNumber, KSecureServBuildVersionNumber));

	}

void RSmfCredMgrClientSession::Close()

	{

	RSessionBase::Close();

	}

void RSmfCredMgrClientSession::RequestAsyncService(

		TCredentialServerRequestID aRequestType, TRequestStatus& aStatus)

	{

	SendReceive(aRequestType, aStatus);

	}

TInt RSmfCredMgrClientSession::RequestService(

		TCredentialServerRequestID aRequestType, const TIpcArgs &aArgs)

	{

	return SendReceive(aRequestType, aArgs);

	}