author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:45:17 +0300 | |
branch | RCL_3 |
changeset 19 | 7d48bed6ce0c |
parent 0 | ff3b6d0fd310 |
child 20 | 987c9837762f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003 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 file contains the header file of the RCbsMcnSession class. |
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* |
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* Represents a MCN session to CBS Server. |
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* A client can register to the session to be informed of |
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* arrival of a new MCN message. Registering object must |
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* implement interface MCbsMcnObserver. |
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* |
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* This session class is responsible for opening the MCN session |
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* and querying the current cell information message from CbsServer. |
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* Other MCN requests are processed by the subsession class |
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* RMcnSubSession. |
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* |
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*/ |
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#ifndef RCBSMCNSESSION_H |
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#define RCBSMCNSESSION_H |
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// INCLUDES |
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#include <e32std.h> |
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#include <e32base.h> // CArrayPtrFlat |
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#include <rmcnsubsession.h> |
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// FORWARD DECLARATIONS |
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class MCbsMcnObserver; |
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class CCbsMcnListener; |
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class CMcnTopicArray; |
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// CLASS DECLARATION |
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/** |
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* This class represents a MCN session to the CBS server. |
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*/ |
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class RCbsMcnSession |
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: public RSessionBase |
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{ |
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public: // New functions |
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/** |
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* Constructor |
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*/ |
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RCbsMcnSession(); |
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/** |
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* Destructor |
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*/ |
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~RCbsMcnSession(); |
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/** |
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* Retrieves the current MCN message from CBS server. |
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* An arriving MCN message always overwrites the previous one in CBS |
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* server, no buffering is done. |
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* |
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* @param aMcnMessage Returns the current MCN message. |
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* @return Result code from server. |
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*/ |
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TInt GetCellInfo( TDes& aMcnMessage ) const; |
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/** |
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* Retrieves the current info message from CBS server. |
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* |
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* @param aMessage Returns the current info message from the |
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* specified topic. |
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* @param aTopicNumber Number of the topic that the msg belongs to. |
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* @return Result code from server. |
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*/ |
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TInt GetInfoMessage( TDes& aMessage, const TInt aTopicNumber ) const; |
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/** |
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* Request next subscribed MCN message to be delivered to this session. |
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* Passed to the subsession object. |
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* |
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* The delivered message will be copied into aBuffer. |
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* |
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* @param aStatus Request status, indicates the result of |
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* the operation. |
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* @param aMcnPckg MCN message package, |
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* includes msg and parameters |
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*/ |
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void ReadMcnMessage( TRequestStatus& aStatus, TPckg<TCbsMcnMessage>& aMcnPckg ); |
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/** |
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* Cancels an outstanding request. Passed to the subsession object. |
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* |
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* @return Result code from server. |
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*/ |
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TInt ReadMcnMessageCancel(); |
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/** |
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* Subscribes topics given in aArray. Passed to the subsession object. |
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* |
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* For leave reasons, see RMcnSubSession. |
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* |
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* @param aArray Subscribed topics. |
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*/ |
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void RegisterL( const CMcnTopicArray& aArray ); |
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/** |
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* Clears all topic subscriptions of this session in CbsServer. |
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* |
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* Leaves if server reports an error. |
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*/ |
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void ClearSubscriptionsL(); |
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public: // From RSessionBase |
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/** |
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* Establishes a connection with CbsServer. |
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* |
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* @return Result code indicating the success of |
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* operation. |
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*/ |
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TInt Connect(); |
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/** |
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* Closes the connection with CbsServer. |
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*/ |
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void Close(); |
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/** |
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* Returns version information of this dll. |
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*/ |
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TVersion Version() const; |
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private: // Prohibited operators and methods |
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/// Assignment operator. |
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RCbsMcnSession& operator=( const RCbsMcnSession& ); |
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/// Copy constructor. |
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RCbsMcnSession( const RCbsMcnSession& ); |
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private: // Data |
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/// Represents MCN subsession |
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RMcnSubSession iSubSession; |
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/// ETrue, if a connection has been established. |
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TBool iConnected; |
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}; |
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#endif // __RCBSMCNSESSION_H |
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// End of File |
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