1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef DHCPWLANQUERYHANDLER_H

    20 #define DHCPWLANQUERYHANDLER_H

    21 

    22 #include <e32base.h>

    23 #include <es_sock.h>

    24 #include <in_sock.h>

    25 

    26 #include "dhcppsyrequesterprogressobserver.h"

    27 #include "dhcpconstants.h"

    28 

    29 class CDhcpPsySocketListener;

    30 class CDhcpDataRequestor;

    31 class CDhcpConnectionEngine;

    32 class CDhcpPsyDhcpServerIPResolver;

    33 

    34 /**

    35 *  Class for handling the DHCP Messages sending and receiving.

    36 *

    37 *  @lib dhcppositionprovider

    38 *  @since S60 3.2

    39 */

    40 class CDhcpWlanQueryHandler : public CActive

    41     {

    42     public:

    43 

    44         /**

    45          * Two-phased statical constructor which can leave

    46          *

    47          * @since S60 3.2

    48          */

    49         static CDhcpWlanQueryHandler* NewL(MDhcpPsyRequesterProgressObserver *aObserver);

    50 

    51         /**

    52          * C++ destructor

    53          *

    54          * @since S60 3.2

    55          */

    56         virtual ~CDhcpWlanQueryHandler();

    57 

    58     public:

    59 

    60         /**

    61          * Make DHCP location query to WLAN network

    62          * @param aIAPProfileId     Id to used IAP profile

    63          *

    64          */

    65         void MakeLocationQueryL (TUint32 aIAPProfileId );

    66 

    67         /**

    68         * Return location data for requestor.

    69          *

    70          * @returns   Address to location data object

    71          */

    72         HBufC8* LocationData ();

    73 

    74     protected:  // From CActive

    75 

    76         /**

    77         * Handles an active object's request completion event.

    78         */

    79         void RunL();

    80 

    81         /**

    82         * Cancellation of an outstanding request.

    83         */

    84         void DoCancel();

    85 

    86         /**

    87         * Handles a leave occurring in the RunL()

    88         */

    89         TInt RunError( TInt aErr );

    90 

    91 

    92     private:

    93 

    94         /**

    95          * C++ constructor

    96          *

    97          * @since S60 3.2

    98          */

    99         CDhcpWlanQueryHandler(MDhcpPsyRequesterProgressObserver *aObserver);

   100 

   101         /**

   102          * Symbian Os construtor which can leave

   103          *

   104          * @since S60 3.2

   105          */

   106         void ConstructL();

   107 

   108         /**

   109          * Release location based reserved resources

   110          *

   111          * @since S60 3.2

   112          */

   113         void Flush ();

   114 

   115     private:

   116 

   117         enum TDhcpWLanQueryStates

   118             {

   119             EDhpWlanIdle,

   120             EAttachToConnection,

   121             EDhcpIpAddressQuery,

   122             ESendDhcpLocatinQuery,

   123             EReceiveDhcpLocationAck,

   124             EWlanMakeQueryToConnectionIoctl,

   125             EStopExecution

   126             };

   127 

   128     private: // data

   129 

   130         // Address of psy progress observer object.

   131         MDhcpPsyRequesterProgressObserver *iPsyProgressObserver;

   132 

   133         /**

   134         * Socket server

   135         */

   136         RSocketServ iSocketServer;

   137 

   138         /**

   139         * Connection

   140         */

   141         RConnection iConnection;

   142 

   143         /**

   144         * Sockets

   145         */

   146         RSocket iSocket;

   147 

   148         //

   149         TDhcpWLanQueryStates iState;

   150 

   151         //

   152         CDhcpDataRequestor* iLctnDataRequestor;

   153 

   154         //

   155         CDhcpPsySocketListener* iLctnDataListener;

   156 

   157         //

   158         CDhcpPsyDhcpServerIPResolver* iDhcpResolver;

   159 

   160         //

   161         CDhcpConnectionEngine*    iConnectionEngine;

   162 

   163 

   164         // Owned

   165         HBufC8*     iLocationBufferData;

   166 

   167         //

   168         TInetAddr   iInetLclIpAddress;

   169 

   170         // Used IAP

   171         TUint32 iIapProfileId;

   172 

   173     };

   174 

   175 #endif // DHCPWLANQUERYHANDLER_H

   176