1 /*

     2 * Copyright (c) 2007-2008 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:    ICMPv4 receiver

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef C_CNCMICMPV4RECEIVER_H

    22 #define C_CNCMICMPV4RECEIVER_H

    23 

    24 // INCLUDES

    25 #include <e32base.h>

    26 #include <in_sock.h>

    27 

    28 // FORWARD DECLARATIONS

    29 class MNcmSessionObserver;

    30 class CNcmIcmpSender;

    31 class MNcmIcmpObserver;

    32 

    33 /**

    34  *  Receives and handles ICMPv4 errors.

    35  *

    36  *  @lib connectionmux.lib

    37  *  @since S60 v3.2

    38  */

    39 NONSHARABLE_CLASS( CNcmIcmpV4Receiver ): public CActive

    40     {

    41     

    42     friend class UT_CNcmIcmpReceiver;

    43     

    44 public: // Constructors and destructor

    45 

    46     /** 

    47      * Two-phased constructor

    48      * @param   aServer             Socket server

    49      * @param   aConnection         RConnection

    50      * @param   aObserver           ICMP error observer

    51      */

    52     static CNcmIcmpV4Receiver* NewL( RSocketServ& aServer,

    53         RConnection& aConnection, MNcmIcmpObserver& aObserver );

    54 

    55     virtual ~CNcmIcmpV4Receiver();

    56 

    57 public: // From CActive

    58 

    59     void RunL();

    60 

    61     void DoCancel();

    62 

    63 private: // Constructors, for internal use

    64 

    65     CNcmIcmpV4Receiver( RSocketServ& aServer,

    66         RConnection& aConnection, MNcmIcmpObserver& aObserver );

    67 

    68     void ConstructL();

    69 

    70 private: // New functions, for internal use

    71 

    72     void Receive();

    73 

    74     void CheckError();

    75 

    76 private: // Data

    77 

    78     /**

    79      * Socket server

    80      */

    81     RSocketServ& iServer;

    82     

    83     /**

    84      * RConnection

    85      */

    86     RConnection& iConnection;

    87     

    88     /**

    89      * Socket

    90      */

    91     RSocket iSocket;

    92 

    93     /**

    94      * ICMP sender

    95      * Own.

    96      */   

    97     CNcmIcmpSender* iIcmpSender;

    98 

    99     /**

   100      * Buffer where data is received from the socket

   101      */

   102     TBuf8<64> iData;

   103 

   104     /**

   105      * Address

   106      */

   107     TInetAddr iAddress;

   108 

   109     /**

   110      * Observer interface used to receive ICMP error notifies 

   111      */

   112     MNcmIcmpObserver& iObserver;

   113 

   114     };

   115 

   116 #endif // end of C_CNCMICMPV4RECEIVER_H

   117 

   118