author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 14 Sep 2010 23:16:15 +0300 | |
branch | RCL_3 |
changeset 25 | 735de8341ce4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003-2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: This module defines event mediator server side session. |
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* |
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*/ |
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#ifndef EVENTMEDIATORSESSION_H_ |
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#define EVENTMEDIATORSESSION_H_ |
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#include <e32base.h> |
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#include <f32file.h> |
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#include "eventmediatorapi.h" |
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/** |
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* Defines the session to the VPN manager server. |
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*/ |
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class CEventMediatorServer; |
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class CListenerContainer; |
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class CEventMediatorSession : public CSession2 |
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{ |
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public: // Methods |
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// Constructors and destructor |
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/** |
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* Static constructor |
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*/ |
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static CEventMediatorSession* NewL(CEventMediatorServer& aServer, |
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TBool aIsSitSession); |
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/** |
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* Default destructor |
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*/ |
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~CEventMediatorSession(void); |
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/** |
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* Wrapper function which Dispatches and executes the client's service calls |
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* (See Message type definition). |
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*/ |
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void ServiceL(const RMessage2& aMessage); |
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/** |
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* Checks if client is listening events of the given type and completes message |
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* sent by clients ListenToEvent function. The length of the event data and |
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* the pointer to that data are written to the message. |
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* @param aType: type of the event. |
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* @param aSpec: additional info on event. |
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* @param aData: event data. |
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* @return number of listeners for the event was listened. |
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*/ |
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TInt CheckEventL(const TEventType aType, const TDesC8* aSpec, const TDesC8* aData, TInt aStatus); |
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/** |
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* Tries to find a task request that is not being fulfilled |
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* already |
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*/ |
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CListenerContainer* FindWaitingTaskRequest(); |
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/** |
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* Retrieves the event listener object, if any, that is using |
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* the SIT that is fulfilling the specified event. |
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*/ |
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CListenerContainer* FindListener(TEventType aEventType, TInt aEventSpecId); |
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/** |
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* Retrieves the event listener object, if any, that is using |
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* the SIT that is fulfilling the specified event. |
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*/ |
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CListenerContainer* FindListener(TEventType aEventType, const TDesC8* aEventSpec); |
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/** |
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* Completes the specified listener if it is owned by the |
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* session. Returns ETrue is the listener was found and |
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* completed, EFalse otherwise. |
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*/ |
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void CompleteListener(TEventType aEventType, const TDesC8* aEventSpec, TInt aStatus); |
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void CompleteTaskRequests(TInt aStatus); |
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TBool IsASitSession(); |
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private: //Methods |
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// Constructors and destructor |
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/** |
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* Constructor |
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*/ |
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CEventMediatorSession(CEventMediatorServer& aServer, TBool aIsSitSession); |
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void ConstructL(); |
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/** |
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* Starts listening events of requesteed type by coping the message to iListenedEvents. |
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* @param aMessage: aMessage sent by clients ListenToEvent function. |
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* @return: error code, KErrNone if successfull. |
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*/ |
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TInt ListenToEventWithSpecL(const RMessage2& aMessage); |
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/** |
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* Starts listening events of requesteed type by coping the message to iListenedEvents. |
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* @param aMessage: aMessage sent by clients ListenToEvent function. |
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* @return: error code, KErrNone if successfull. |
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*/ |
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TInt ListenToEventL(const RMessage2& aMessage); |
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/** |
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* Reports the event contained in the message to the event mediator server. |
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* @param aMessage: aMessage sent by clients ReportEvent function. |
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* @return: error code, KErrNone if successfull. |
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*/ |
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void ReportEventL(const RMessage2& aMessage); |
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/** |
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* Reports a log event contained in the message to the event mediator server. |
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* @param aMessage: aMessage sent by clients ReportLogEvent function. |
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* @return: error code, KErrNone if successfull. |
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*/ |
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void ReportLogEventL(const RMessage2& aMessage); |
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/** |
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* Reports the event contained in the message to the event mediator server. |
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* @param aMessage: aMessage sent by clients ReportEvent function. |
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* @return: error code, KErrNone if successfull. |
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*/ |
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void ReportEventWithSpecL(const RMessage2& aMessage); |
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/** |
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* Cancels listning of one event type. |
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* @param aMessage: aMessage sent by clients CancelListenToEvent function. |
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*/ |
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void CancelListening(const RMessage2& aMessage); |
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/** |
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* Cancels listning of one event type. |
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* @param aMessage: aMessage sent by clients CancelListenToEvent function. |
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*/ |
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void CancelListeningWithSpecL(const RMessage2& aMessage); |
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/** |
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* Cancels all listening. |
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* @param aMessage: aMessage sent by clients CancelAllListening function. |
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*/ |
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void CancelAll(); |
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/** |
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* Copies event data from the server to the client. |
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* @param aMessage: aMessage sent by clients FetchData function. |
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* @return: error code, KErrNone if successfull. |
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*/ |
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TInt FetchDataL(const RMessage2& aMessage); |
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/** |
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* Looks up a message from iListenedEvents. |
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* @param aType: type of the event the message is listening to. |
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* @param aIndex: the position of the message in iListenedEvents. |
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* @return ETrue if message exists, EFalse if not. |
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*/ |
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TBool FindListenerMsg(const TEventType aType,TInt& index); |
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/** |
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* Looks up a message from iListenedEvents. |
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* @param aType: type of the event the message is listening to. |
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* @param aIndex: the position of the message in iListenedEvents. |
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* @return ETrue if message exists, EFalse if not. |
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*/ |
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TBool FindListenerMsg(const TEventType aType,const TDesC8* aSpec,TInt& index); |
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/** |
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* Searches for a task request type event listening request |
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*/ |
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TBool FindTaskRequestListenerMsg(TInt& index); |
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/** |
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* Reads data that was reported with the event from client. Allocates a buffer |
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* for data and gives ownership of that buffer to caller. |
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* @param aMessage: aMessage sent by clients ReportEvent function. |
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* @return pointer to the newly created buffer containig data. |
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*/ |
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HBufC8* ReadEventDataFromClientL(const RMessage2& aMessage); |
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/** |
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* Reads specification describing the event from client. Allocates a buffer |
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* for secification and gives ownership of that buffer to caller. |
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* @param aMessage: aMessage sent with event specification. |
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* @return pointer to the newly created buffer containig data. |
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*/ |
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HBufC8* ReadSpecificationFromClientL(const RMessage2& aMessage); |
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/** |
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* Completes the specified listener and deletes it from the |
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* listener list |
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*/ |
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void CompleteListener(TInt aIndex, TInt aStatus); |
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/** |
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* Returns to the client a new event specification ID |
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*/ |
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void NewEventSpecIdL(const RMessage2& aMessage); |
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TInt DeletePrivateFiles(); |
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void DeletePrivateFilesL(); |
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TInt GetEventLogSize(const RMessage2& aMessage); |
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TInt GetEventLogHeader(const RMessage2& aMessage); |
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TInt GetEventLogData(const RMessage2& aMessage); |
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TInt ClearEventLog(); |
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private: //Data |
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// List of messages listening to events |
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CArrayFixFlat<CListenerContainer*> iListenedEvents; |
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// Event mediator server |
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CEventMediatorServer& iServer; |
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RFs iFs; |
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RFile iEventLogFile; |
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TBool iEventLogFileOpen; |
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// Is this session from a SIT or not |
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public: |
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TBool iIsSitSession; |
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}; |
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#endif /* EVENTMEDIATORSESSION_H_ */ |