iapconnectdemosocketsreader.cpp

symbian联网接入点的示例代码.新增,设置接入点.

/*
* ============================================================================
*  Name     : CIAPConnectDemoSocketsReader from IAPConnectDemoSocketsReader.cpp
*  Part of  : Internet Access Points Example v2.0
*  Created  : 01.09.2006 by Forum Nokia
*  Version  : 2.0
*  Copyright: Forum Nokia
* ============================================================================
*/

// INCLUDE FILES
#include "IAPConnectDemoSocketsReader.h"
#include "IAPConnectDemoSocketsObserver.h"

_LIT8(KStartReading, "*Start reading");
_LIT8(KReadingEof, "*Reading Eof");
const TInt KReadBufferSize = 20;

// ========================= MEMBER FUNCTIONS ================================

// Constructor
CIAPConnectDemoSocketsReader::CIAPConnectDemoSocketsReader( 
    MIAPConnectDemoSocketsObserver& aSocketsObserver,
    RSocket& aSocket )
: CActive( EPriorityStandard ),
  iSocket( aSocket ),
  iSocketsObserver( aSocketsObserver )
    {
    }
    
// Destructor.
CIAPConnectDemoSocketsReader::~CIAPConnectDemoSocketsReader()
    {
    Cancel();
    }
    
// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::NewL()
// Two-phased constructor.
// ---------------------------------------------------------------------------
//
CIAPConnectDemoSocketsReader* CIAPConnectDemoSocketsReader::NewL( 
        MIAPConnectDemoSocketsObserver& aSocketsObserver,
        RSocket& aSocket )
    {
    CIAPConnectDemoSocketsReader* self = 
        CIAPConnectDemoSocketsReader::NewLC( aSocketsObserver, aSocket );
    CleanupStack::Pop( self );
    return self;
    }

// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::NewLC()
// Two-phased constructor.
// ---------------------------------------------------------------------------
//
CIAPConnectDemoSocketsReader* CIAPConnectDemoSocketsReader::NewLC( 
        MIAPConnectDemoSocketsObserver& aSocketsObserver,
        RSocket& aSocket )
    {
    CIAPConnectDemoSocketsReader* self = 
        new ( ELeave ) CIAPConnectDemoSocketsReader( aSocketsObserver,
            aSocket );
    CleanupStack::PushL( self );
    self->ConstructL();
    return self;
    }


// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::ConstructL()
// Symbian 2nd phase constructor can leave.
// ---------------------------------------------------------------------------
//
void CIAPConnectDemoSocketsReader::ConstructL()
    {
    CActiveScheduler::Add( this );
    }


// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::DoCancel()
// Cancels any outstanding operation.
// ---------------------------------------------------------------------------
//
void CIAPConnectDemoSocketsReader::DoCancel()
    {
    // Cancel asychronous read request
    iSocket.CancelRead();
    }

// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::RunL()
// Called when operation completes.
// ---------------------------------------------------------------------------
//
void CIAPConnectDemoSocketsReader::RunL()
    {
    // Active object request complete handler
    switch ( iStatus.Int() )
        {
        case KErrNone:
            // Character has been read from socket
            IssueRead(); // Immediately start another read
            break;
        case KErrDisconnected:
            iSocketsObserver.ReportErrorL( 
                MIAPConnectDemoSocketsObserver::EDisconnected,
                iStatus.Int() );
            break;
        case KErrEof:
        	iSocketsObserver.ResponseReceivedL( KReadingEof );
        	break;
        default:
            iSocketsObserver.ReportErrorL( 
                MIAPConnectDemoSocketsObserver::EGeneralReadError,
                iStatus.Int() );
            break;
        }
    }

// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::IssueRead()
// Initiates a read from socket.
// ---------------------------------------------------------------------------
//
void CIAPConnectDemoSocketsReader::IssueRead()
    {
    iSocket.RecvOneOrMore( iBuffer, 0, iStatus, iDummyLength );
    SetActive();
    }

// ---------------------------------------------------------------------------
// CIAPConnectDemoSocketsReader::Start()
// Initiates a read from socket.
// ---------------------------------------------------------------------------
//
void CIAPConnectDemoSocketsReader::StartL()
    {
    // Initiate a new read from socket into iBuffer
    if ( !IsActive() )
        {
        iSocketsObserver.ResponseReceivedL( KStartReading );
        IssueRead();
        }
    }

// End of File