/*

* 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 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: 

* CSisRegistryServer implementation

*

*/

/**

 @file 

 @released

 @internalComponent

*/

#include <s32mem.h>

#include <f32file.h>

#include <s32file.h>

#include "sisregistryserver.h"

#include "sisregistrycache.h"

#include "sisregistryservershutdown.h"

#include "sisregistryserversession.h"

#include "log.h"

#include "versionutil.h"

#include "securitypolicy.h"

using namespace Swi;

const TInt CSisRegistryServer::iRanges[KPolicyRanges] = 

	{

	0, 								// accessible by all clients

	EAddDrive,						// Only Daemon should access these 

	EControllers,					// accessible by all clients

	EInitRecovery,					// Only Daemon should access these 

	EPackageExistsInRom,		    // accessible by all clients

	ESeparatorMinimumReadUserData, 	// accessible by ReadUserData clients only

	ESidToPackage,          			// accessible by all clients

	ESeparatorMinimumWriteUserData, // accessible by NetworkServices + WriteUserData clients only

	ESeparatorMinimumTCB, 			// accessible by TCB clients only

	ERegistryFiles,                    // accessible by all clients

	ESeparatorMinimumReadUserData2, 	// accessible by ReadUserData clients only

	ESeparatorEndAll,     			// not supported from there on

	};

const TUint8 CSisRegistryServer::iElementsIndex[iRangeCount] = 

	{

	0,  // all clients can have access 

	3,  // policed on SID only

	0,  // all clients can have access                        

	3,  // policed on SID only

	0,  // all clients can have access                        

	1,	// ReadUserData clients only

	0,  // all clients can have access	

	4,  // WriteUserData clients only

	2,	// Used by SWIS only, so TCB is needed - check on cap and SID.

	0,  // all clients can have access

	1,  // ReadUserData clients only

	CPolicyServer::ENotSupported,  

	};

const CPolicyServer::TPolicyElement CSisRegistryServer::iPolicyElements[] = 

	{

	{_INIT_SECURITY_POLICY_C1(ECapability_None), CPolicyServer::EFailClient},

	{_INIT_SECURITY_POLICY_C1(ECapabilityReadUserData), CPolicyServer::EFailClient},

	{_INIT_SECURITY_POLICY_S1(KSwisSecureId, ECapabilityTCB), CPolicyServer::EFailClient},

	{_INIT_SECURITY_POLICY_S0(KDaemonSecureId), CPolicyServer::EFailClient}, 

	{_INIT_SECURITY_POLICY_C2(ECapabilityWriteUserData, ECapabilityNetworkServices), CPolicyServer::EFailClient},

	};

const CPolicyServer::TPolicy CSisRegistryServer::iPolicy =

	{

	CPolicyServer::EAlwaysPass, // so that any client can connect	

	iRangeCount,                                   

	iRanges,

	iElementsIndex,

	iPolicyElements,

	};

inline CSisRegistryServer::CSisRegistryServer(CActive::TPriority aPriority)

	:CPolicyServer(aPriority, iPolicy, ESharableSessions)

	{}

CSisRegistryServer* CSisRegistryServer::NewLC(CActive::TPriority aPriority)

	{

	CSisRegistryServer* self = new(ELeave) CSisRegistryServer(aPriority);

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

void CSisRegistryServer::ConstructL()

//

// 2nd phase construction - ensure the timer and server objects are running

//

	{

	DEBUG_PRINTF(_L8("SIS Registry Server - Starting Server"));

	StartL(KSisRegistryName);

	// create the cache

	iCache = CSisRegistryCache::NewL();

	// create the shutdown 

	iShutdown = new(ELeave) CShutdown;

	iShutdown->ConstructL();

	// ensure that the server still exits even if the 1st client fails to connect

	iShutdown->Start();

	}

CSisRegistryServer::~CSisRegistryServer()

	{

	DEBUG_PRINTF(_L8("SIS Registry Server - Server Shutting Down"));

	CSecurityPolicy::ReleaseResource();

	delete iCache;

	iCache = NULL;

	delete iShutdown;

	iShutdown = NULL; //required in case the server dies before the session

	}

CSession2* CSisRegistryServer::NewSessionL(const TVersion& aClientVersion, const RMessage2&) const

//

// Create a new client session. This should really check the version number.

//

	{

	if (aClientVersion == TVersion(1,0,0))

		{

		return new(ELeave) CSisRegistrySession();	

		}

	else

		{

		User::Leave(KErrCouldNotConnect);

		return NULL;

		}

	}

void CSisRegistryServer::AddSession()

//

// A new session is being created

// Cancel the shutdown timer if it was running

//

	{

	++iSessionCount;

	DEBUG_PRINTF2(_L8("SIS Registry Server - New Session added (%d active)"), iSessionCount);

	iShutdown->Cancel();

	}

void CSisRegistryServer::DropSession()

//

// A session is being destroyed

// Start the shutdown timer if it is the last session.

//

	{

	if (--iSessionCount == 0 && iShutdown)

		{

		iShutdown->Start();

		}

	DEBUG_PRINTF2(_L8("SIS Registry Server - Session close (%d active)"), iSessionCount);

	}