natfw/natfwsocketmediaconnwrapper/src/natfwsocketreceiver.cpp
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     1 /*
       
     2 * Copyright (c) 2006-2008 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:    Receive data from User of NAT Connectivity Framework.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include "natfwsocketreceiver.h"
       
    22 #include "natfwsocketmediaconnwrapperlogs.h"
       
    23 
       
    24 
       
    25 // ======== MEMBER FUNCTIONS ========
       
    26 
       
    27 // ---------------------------------------------------------------------------
       
    28 // CNATFWSocketReceiver::CNATFWSocketReceiver( )
       
    29 // ---------------------------------------------------------------------------
       
    30 //
       
    31 CNATFWSocketReceiver::CNATFWSocketReceiver(
       
    32     MNATFWSocketReceiverObserver& aRecObs, TUint aProtocol ) : 
       
    33     CActive(EPriorityStandard), iProtocol( aProtocol ), iObserver( aRecObs )
       
    34     {
       
    35     __SOCKETMEDIACONNWRAPPER(
       
    36     "CNATFWSocketReceiver::CNATFWSocketReceiver start")
       
    37    
       
    38     CActiveScheduler::Add(this);
       
    39     }
       
    40 
       
    41 
       
    42 // ---------------------------------------------------------------------------
       
    43 // CNATFWSocketReceiver* CNATFWSocketReceiver::NewL( )
       
    44 // ---------------------------------------------------------------------------
       
    45 //
       
    46 CNATFWSocketReceiver* CNATFWSocketReceiver::NewL( 
       
    47         MNATFWSocketReceiverObserver& aRecObs, TUint aProtocol )
       
    48     {
       
    49     __SOCKETMEDIACONNWRAPPER( "CNATFWSocketReceiver::NewL start" )
       
    50     
       
    51     CNATFWSocketReceiver* self = 
       
    52         new (ELeave) CNATFWSocketReceiver ( aRecObs, aProtocol );
       
    53 
       
    54     return self;
       
    55     }
       
    56 
       
    57 
       
    58 // ---------------------------------------------------------------------------
       
    59 // CNATFWSocketReceiver::~CNATFWSocketReceiver()
       
    60 // ---------------------------------------------------------------------------
       
    61 //
       
    62 CNATFWSocketReceiver::~CNATFWSocketReceiver()
       
    63     {
       
    64     __SOCKETMEDIACONNWRAPPER( "CNATFWSocketReceiver::~CNATFWSocketReceiver" )
       
    65 
       
    66     Cancel();
       
    67     }
       
    68     
       
    69 
       
    70 // ---------------------------------------------------------------------------
       
    71 // CNATFWSocketReceiver::StartListening( )
       
    72 // ---------------------------------------------------------------------------
       
    73 //
       
    74 void CNATFWSocketReceiver::StartListening( const RSocket& aSocket )
       
    75     {
       
    76     __SOCKETMEDIACONNWRAPPER( "CNATFWSocketReceiver::StartListening" )
       
    77 
       
    78     iSocket = aSocket;
       
    79 
       
    80     if ( KProtocolInetUdp == iProtocol )
       
    81         {
       
    82         iSocket.RecvFrom( iBuffer, iRemoteAddress, 0, iStatus );
       
    83         }
       
    84     if ( KProtocolInetTcp == iProtocol )
       
    85         {
       
    86         iSocket.RecvOneOrMore( iBuffer, 0, iStatus, iSockDataLength );
       
    87         }
       
    88     
       
    89     SetActive();
       
    90     }
       
    91 
       
    92 
       
    93 // ---------------------------------------------------------------------------
       
    94 // CNATFWSocketReceiver::SetReceivingStateForMuxWrapper( )
       
    95 // ---------------------------------------------------------------------------
       
    96 //
       
    97 void CNATFWSocketReceiver::SetReceivingStateForMuxWrapper(
       
    98     TNATFWStreamingState aState )
       
    99     {
       
   100     __SOCKETMEDIACONNWRAPPER(
       
   101         "CNATFWSocketReceiver::SetReceivingStateForMuxWrapper" )
       
   102 
       
   103     iWrapperMuxReceiveState = aState;
       
   104     }      
       
   105 
       
   106 
       
   107 // ---------------------------------------------------------------------------
       
   108 // CNATFWSocketReceiver::RunL( )
       
   109 // ---------------------------------------------------------------------------
       
   110 //
       
   111 void CNATFWSocketReceiver::RunL( )
       
   112     {
       
   113     __SOCKETMEDIACONNWRAPPER( "CNATFWSocketReceiver::RunL" ) 
       
   114     
       
   115     if ( KErrEof != iStatus.Int() && KErrNone != iStatus.Int() )
       
   116         {
       
   117         __SOCKETMEDIACONNWRAPPER_INT1( 
       
   118         "CNATFWSocketReceiver::RunL:", iStatus.Int() )
       
   119         
       
   120         User::Leave( KErrArgument );
       
   121         }
       
   122     
       
   123     if ( EStreamingStateActive == iWrapperMuxReceiveState )
       
   124         {
       
   125         iObserver.DeliverBuffer( iBuffer );
       
   126         }
       
   127     
       
   128     if ( KProtocolInetUdp == iProtocol )
       
   129         {
       
   130         iSocket.RecvFrom( iBuffer, iRemoteAddress, 0, iStatus );
       
   131         }
       
   132     
       
   133     if ( KProtocolInetTcp == iProtocol )
       
   134         {
       
   135         if ( KErrEof == iStatus.Int() )
       
   136             {
       
   137             Cancel();
       
   138             return;
       
   139             }
       
   140         else
       
   141             {
       
   142             iSocket.RecvOneOrMore( iBuffer, 0, iStatus, iSockDataLength );
       
   143             }
       
   144         }
       
   145     
       
   146     SetActive();
       
   147     }
       
   148 
       
   149 
       
   150 // ---------------------------------------------------------------------------
       
   151 // CNATFWSocketReceiver::DoCancel( )
       
   152 // ---------------------------------------------------------------------------
       
   153 //
       
   154 void CNATFWSocketReceiver::DoCancel( )
       
   155     {
       
   156     __SOCKETMEDIACONNWRAPPER( "CNATFWSocketReceiver::DoCancel" )
       
   157 
       
   158     iSocket.CancelAll();
       
   159     }
       
   160    
       
   161     
       
   162 // ---------------------------------------------------------------------------
       
   163 // CNATFWSocketReceiver::RunError( )
       
   164 // ---------------------------------------------------------------------------
       
   165 //  
       
   166 TInt CNATFWSocketReceiver::RunError( TInt aError )
       
   167     {
       
   168     __SOCKETMEDIACONNWRAPPER( "CNATFWSocketReceiver::RunError" )
       
   169 
       
   170     return aError;
       
   171     }
       
   172 
       
   173