author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:20:37 +0100 | |
branch | RCL_3 |
changeset 23 | 13a33d82ad98 |
parent 0 | 822a42b6c3f1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 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 the License "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: Class for wrapping RConnection* |
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*/ |
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#ifndef __CCRCONNECTION_H |
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#define __CCRCONNECTION_H |
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// INCLUDES |
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#include "MCRConnectionObserver.h" |
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#include <e32base.h> |
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#include <es_sock.h> |
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#include <CommDbConnPref.h> |
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#include <es_enum.h> |
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#include <rconnmon.h> |
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// CONSTANTS |
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/** Max Bandwidth constants -- from Helix Player, R1_Mobile_4_0_Factory.cfg : GRPS */ |
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const TInt KCRBandwidthGPRS( 40200 ); |
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/** Max Bandwidth constants -- from Helix Player, R1_Mobile_4_0_Factory.cfg : EGRPS */ |
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const TInt KCRBandwidthEdgeGPRS( 89600 ); |
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/** Max Bandwidth constants -- from Helix Player, R1_Mobile_4_0_Factory.cfg : 3G */ |
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const TInt KCRBandwidthWCDMA( 384000 ); |
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/** Max Bandwidth constants -- from Helix Player, R1_Mobile_4_0_Factory.cfg : WLAN */ |
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const TInt KCRBandwidthWLAN( 1432572 ); |
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/** Max Bandwidth constants -- from Helix Player, R1_Mobile_4_0_Factory.cfg : LAN */ |
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const TInt KCRBandwidthLAN( 3000000 ); |
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|
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// MACROS |
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// None |
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|
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// DATA TYPES |
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// None |
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|
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// FORWARD DECLARATIONS |
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class CCRConnection; |
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|
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// CLASS DECLARATION |
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|
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/** |
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* RConnection wrapper |
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*/ |
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class CCRConnection : public CActive, |
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public MConnectionMonitorObserver |
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{ |
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public: // Data types |
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|
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/** |
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* Enumeration for different connection stages |
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*/ |
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enum TConnectionState |
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{ |
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EIdle, /**< Connection idle */ |
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EFindingAP, /**< Search access point */ |
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EFindingBearer, /**< Finding bearer */ |
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EOpen, /**< Opening connection */ |
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EConnecting /**< Connecting */ |
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}; |
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|
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/** |
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* Heuristics for the connection, ie, characteristics from the |
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* connection discovered during run-time and that may affect it's usage. |
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*/ |
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enum TConnectionHeuristic |
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{ |
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/** |
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* Connection is unable to stream RTP over UDP, |
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* most likely due to firewall blocking. |
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*/ |
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EUdpStreamingBlocked = 0 |
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}; |
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|
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public: // Constructors and destructor |
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|
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/** |
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* Two-phased constructor. |
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* @param aSockServer |
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* @return CCRConnection pointer to CCRConnection class |
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*/ |
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static CCRConnection* NewL( RSocketServ& aSockServer ); |
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|
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/** |
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* Destructor. |
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*/ |
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virtual ~CCRConnection( ); |
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|
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public: // New methods |
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/** |
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* Method for starting and attaching a connection. |
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* @since Series 60 3.0 |
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* @param aConnectionId Connection id. |
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* @return none. |
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*/ |
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void Attach( TUint aConnectionId ); |
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/** |
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* Method for getting the rconnection to use. This is useful only |
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* when connection state is open. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return reference to RConnection. |
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*/ |
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RConnection& Connection( void ); |
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/** |
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* Method for getting state of the connection. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return connection state. |
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*/ |
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TConnectionState State( void ) const; |
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/** |
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* Gets bearer for current connection. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return bearer type |
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*/ |
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TConnMonBearerType BearerType() const; |
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|
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/** |
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* Gets (estimated) maximum available connection bandwidth. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return bandwidth in bit/s, zero if unkown or connection not available. |
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*/ |
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TInt MaximumBandwidth(); |
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|
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/** |
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* Check if bearer is considered 3G, WLAN or similar |
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* @since Series 60 3.0 |
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* @param none. |
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* @return TBool |
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*/ |
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TBool IsBearerWLANor3G( TConnMonBearerType aBearer ); |
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|
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/** |
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* Add observer for connection status. |
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* @since Series 60 3.0 |
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* @param aObserver new observer |
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* @return TInt |
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*/ |
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TInt RegisterObserver( MCRConnectionObserver* aObserver ); |
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|
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/** |
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* remove observer for connection status. |
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* @since Series 60 3.0 |
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* @param aObserver observer to be removed. |
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* @return TInt. |
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*/ |
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TInt UnregisterObserver( MCRConnectionObserver* aObserver ); |
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|
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/** |
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* Retrives a heuristic associated with the connection. |
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* @since Series 60 3.0 |
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* @param aHeuristic |
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* @return value associated with the heuristic. |
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*/ |
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TBool GetHeuristic( TConnectionHeuristic aHeuristic ); |
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|
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/** |
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* Sets a heuristic associated with the connection |
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* @since Series 60 3.0 |
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* @param aHeuristic |
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* @param aValue value associated with the heuristic. |
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* @return none. |
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*/ |
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void SetHeuristic( TConnectionHeuristic aHeuristic, |
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TBool aValue ); |
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private: // Methods from base classes |
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/** |
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* From CActive. |
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* Cancel protocol implementation. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return none. |
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*/ |
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void DoCancel(); |
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/** |
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* From CActive. |
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* Outstanding request completed. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return none. |
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*/ |
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void RunL(); |
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/** |
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* From CActive. |
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* Handle error. |
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* @since Series 60 3.0 |
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* @param aError Error code. |
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* @return KErrNone. |
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*/ |
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TInt RunError( TInt aError ); |
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|
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/** |
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* From MConnectionMonitorObserver. |
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* Receives event notifications from connection monitor, |
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* specifically for bearer changes. |
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* @since Series 60 3.0 |
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* @param aConnMonEvent |
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* @return none. |
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*/ |
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void EventL( const CConnMonEventBase& aConnMonEvent ); |
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|
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private: // New methods |
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|
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/** |
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* Method for sending connection error events to message queue. |
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* @since Series 60 3.0 |
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* @param aError is Error code. |
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* @return none |
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*/ |
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void SendConnectionErrorToQueue( TInt aError ); |
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|
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/** |
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* Close internal RConnection iConnection. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return none |
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*/ |
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void CloseRConnection(); |
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|
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/** |
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* Finds access point. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return none |
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*/ |
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TInt FindApL(); |
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|
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/** |
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* Finds bearer. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return none |
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*/ |
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void FindBearerL(); |
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|
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/** |
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* Notify UI about connection. |
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* @since Series 60 3.0 |
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* @param none. |
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* @return none |
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*/ |
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void NotificationL(); |
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|
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private: // Constructors and destructors |
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|
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/** |
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* default constructor |
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* @param aSockServer a reference to socket server. |
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*/ |
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CCRConnection( RSocketServ& aSockServer ); |
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|
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/** |
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* 2nd phase constructor |
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*/ |
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void ConstructL(); |
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|
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private: // Data |
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|
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/** |
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* Socker server. |
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*/ |
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RSocketServ& iSockServer; |
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|
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/** |
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* Connection. |
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*/ |
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RConnection iConnection; |
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|
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/** |
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* Observers. |
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*/ |
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RPointerArray<MCRConnectionObserver> iObservers; |
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|
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/** |
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* Current state. |
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*/ |
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TConnectionState iState; |
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|
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/** |
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* Connection preference. |
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*/ |
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TCommDbConnPref iConnPref; |
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|
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/** |
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* variable for getting notification when interface goes up or down |
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*/ |
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TNifProgressBuf iNotification; |
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|
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/** |
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* Connection id to be used |
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*/ |
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TUint iCurrentConnectionId; |
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|
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/** |
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* Connection monitor |
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*/ |
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RConnectionMonitor iConMon; |
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|
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/** |
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* How many active connections were found by connection monitor |
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*/ |
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TUint iConnectionCount; |
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|
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/** |
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* Heuristics for connection |
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*/ |
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TUint32 iHeuristics; |
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|
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/** |
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* Bearer type for current connection |
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*/ |
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TConnMonBearerType iBearerType; |
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|
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/** |
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* Bearer type detected after change |
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*/ |
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TConnMonBearerType iNewBearerType; |
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|
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/** |
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* Whether we have connection progress notification pending or not |
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*/ |
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TBool iConMonProgressNotifyPending ; |
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|
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}; |
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#endif // __CCRCONNECTION_H |
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// End of file |