/*

* Copyright (c) 2005 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:  DM callback server header file

*

*/

#ifndef __NSMLDMCALLBACKSERVER_H__

#define __NSMLDMCALLBACKSERVER_H__

// ---------------------------------------------------------------------------

// Includes

// ---------------------------------------------------------------------------

#include <e32base.h>

#include <badesca.h>

#include <e32property.h>

#include "nsmldmcallbackserverdefs.h"

// ---------------------------------------------------------------------------

// Panic reasons

// ---------------------------------------------------------------------------

enum TNSmlDmCallbackServerPanic

    {

    ECleanupCreateError,

    EMainSchedulerError

    };

// ---------------------------------------------------------------------------

// Class forwards

// ---------------------------------------------------------------------------

class CNSmlDmDbHandler;

struct TSmlDmMappingInfo;

// ---------------------------------------------------------------------------

// class CNSmlDmCallbackServer

// ---------------------------------------------------------------------------

/**

* CNSmlDmCallbackServer is a Symbian OS server which owns the tree db handler

* i.e. the tree db can be accessed only via IPC through this server.

*

*  @since

*/

class CNSmlDmCallbackServer : public CServer2

	{

public:

	/**

	* Panics the server

	* @param	aPanic			Panic code

	*/

    static void PanicServer( TNSmlDmCallbackServerPanic aPanic );

	/**

	* Launches server thread

	* @param	aStarted		Semaphore which is signallede when server

	*							is started

	*/

    static TInt ThreadFunction( TAny* aStarted );

	/**

	* Increase session count

	*/

    void Increase();

	/**

	* Decrease session count

	*/

    void Decrease();

	/**

	* Return session count

	* @return			Session count

	*/

	TInt Count();

	/**

	* Return pointer to db handler class

	* @return			Pointer to db handler

	*/

	CNSmlDmDbHandler* DbHandler();

	/**

	* Two-phased constructor

	* @return						Pointer to newly created module instance

	*/

    static CNSmlDmCallbackServer* NewL();

	/**

	* Destructor

	*/

	virtual ~CNSmlDmCallbackServer();

public:

 	/**

	* Creates new session

	* @param	aVersion		Version for checking

	* @param	aMessage		IPC message

	*/

    CSession2* NewSessionL( const TVersion& aVersion,

    	const RMessage2& aMessage ) const;

private:    

	/**

	* Constructor

	*/

	CNSmlDmCallbackServer();

	/**

	* Second phase constructor

	*/

    void ConstructL();

private:

	/**

	* Pointer to Dbhandler class

	*/

    CNSmlDmDbHandler* iDbHandler;

	/**

	* Session count

	*/

	TInt iCount;

	};

// ---------------------------------------------------------------------------

// class CNSmlDmCallbackSession 

// ---------------------------------------------------------------------------

/**

* CNSmlDmCallbackSession is a Symbian OS server side session class which

* handles the messages from one client

*

*  @since

*/

class CNSmlDmCallbackSession : public CSession2

	{

public:

	/**

	* Two-phased constructor

	* @param	aServer			Pointer to server (owner)

	* @return					Pointer to newly created module instance

	*/

	static CNSmlDmCallbackSession* NewL( CNSmlDmCallbackServer& aServer);

    /**

    Handles the servicing of a client request that has been passed

    to the server.

	@param aMessage The message containing the details of the client request.

    */

	void ServiceL( const RMessage2 &aMessage );

private:

	/**

	* Called and TRAPped in ServiceL function. Directed to correct opertaion

	* by aMessage.Function() information

	@param aMessage		The message containing the details of the client

	*					request.

    */

    void DispatchMessageL( const RMessage2 &aMessage );

	/**

	* SetServer IPC called. Sets the current server id into to db handler

	@param aMessage		The message containing the details of the client

	*					request.

    */

    void SetServerL( const RMessage2& aMessage );

	/**

	* Get Luid IPC called.Gets luid from Db handler

	@param aMessage		The message containing the details of the client

	*					request.

    */

    void GetLuidL( const RMessage2& aMessage );

	/**

	* Get Uri segment list IPC called. Gives list to the client

	@param aMessage		The message containing the details of the client

	*					request.

    */

    void GetUriSegListL( const RMessage2& aMessage );

	/**

	* Close connection IPC called. Closes connection and decreases session

	* count. If Count is 0, server terminates itself.

	@param aMessage		The message containing the details of the client

	*					request.

    */

    void CloseConnectionL( const RMessage2& aMessage );

	/**

	* Generate luid IPC called. Gets the luid from db handler and return

	* the length to client

	@param aMessage		The message containing the details of the client

	*request.

    */

    void GenerateLuidL(const RMessage2& aMessage );

	/**

	* Generate luidlist IPC called. Gets the list from db handler and makes

	* it flat adn returns the length to client

	@param aMessage		The message containing the details of the client

	*request.

    */

    void GenerateUriSegListL(const RMessage2& aMessage );

	/**

	* Add mapping IPC called. Adds mappping by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void AddMappingInfoL( const RMessage2& aMessage );

	/**

	* Remove mapping IPC called. Removes mapping by alling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void RemoveMappingInfoL( const RMessage2& aMessage );

	/**

	* Rename mapping IPC called. Renames mapping by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void RenameMappingInfoL( const RMessage2& aMessage );

	/**

	* Update mapping IPC called. Updates mapping by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void UpdateMappingInfoL(const RMessage2& aMessage );

	/**

	* Delete ACL IPC called. Deletes correct ACL info by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void DeleteAclL(const RMessage2& aMessage );

	/**

	* Update ACL IPC called. Updates correct ACL info by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void UpdateAclL(const RMessage2& aMessage );

	/**

	* Get ACL length IPC called. Gets correct ACL info by calling db handler

	* and return the length to client

	@param aMessage		The message containing the details of the client

	*request.

    */

    void GetAclLengthL(const RMessage2& aMessage );

	/**

	* Get ACL IPC called. Returns the correct ACL info to client

	@param aMessage		The message containing the details of the client

	*request.

    */

    void GetAclL(const RMessage2& aMessage );

	/**

	* Check ACL IPC called. Checks the asked ACL rights

	@param aMessage		The message containing the details of the client

	*request.

    */

    void CheckAclL(const RMessage2& aMessage );

	/**

	* Default ACLs to server IPC called. Sets the deafult acls to server

	* by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void DefaultAclsToServerL(const RMessage2& aMessage );

	/**

	* Default ACLs to children IPC called. Sets the deafult acls to children

	* which does not contain the earlier set acls.

	@param aMessage		The message containing the details of the client

	*request.

    */

  	void DefaultAclsToChildrenL(const RMessage2& aMessage);

	/**

	* Erase server id IPC called. Erases references to current server id

	* by calling db handler

	@param aMessage		The message containing the details of the client

	*request.

    */

    void EraseServerIdL(const RMessage2& aMessage );

	/**

	* Atomic start indication

	@param aMessage		The message containing the details of the client

	*request.

    */

    void StartAtomic(const RMessage2& aMessage );

	/**

	* Commands inside the atomic committed

	@param aMessage		The message containing the details of the client

	*request.

    */

    void CommitAtomicL(const RMessage2& aMessage );

	/**

	* Commads inside atomic rolled back

	@param aMessage		The message containing the details of the client

	*request.

    */

    void RollbackAtomic(const RMessage2& aMessage );

private:

	/**

	* Second phase constructor

    */

	void ConstructL();

	/**

	* Constructor

    */

	CNSmlDmCallbackSession( CNSmlDmCallbackServer& aServer);

	/**

	* Destructor

    */

	~CNSmlDmCallbackSession();

private:

	/**

	* Pointer to server

    */

    CNSmlDmCallbackServer& iServer;

	/**

	* Flat segment list

    */

    CBufBase *iSegList;

	/**

	* Luid in case of getting luid

    */

    HBufC8* iLuid;

	/**

	* ACL info in case of getting ACL

    */

    CBufBase* iACL;

	/**

	* ACL URI in case of getting ACL

    */

    HBufC8* iACLUri;

	/**

	* Uri segment list in list format

    */

    CArrayFixFlat <TSmlDmMappingInfo>* iUriSegList;

	/**

	* List of acl uris in case of atomic

    */

   	RPointerArray<HBufC8> iAtomicAclURIs;

	/**

	* List of acl values in case of atomic

    */

	RPointerArray<HBufC8> iAtomicAcls;

	/**

	* True when atomic operation is going on

    */

	TBool iAtomic;

	};

TInt LaunchServer();

#endif // __NSMLDMCALLBACKSERVER_H__