mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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144 lines
3.4 KiB
C++
144 lines
3.4 KiB
C++
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2005 by Eric House (fixin@peak.org). (based on sample
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* app helloworldbasic "Copyright (c) 2002, Nokia. All rights
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* reserved.")
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef XWFEATURE_STANDALONE_ONLY
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#include "symrsock.h"
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/*static*/ CReadSocket*
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CReadSocket::NewL( ReadNotifyCallback aCallback, void* aCallbackClosure )
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{
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CReadSocket* self = new (ELeave) CReadSocket( aCallback, aCallbackClosure );
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop( self );
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return self;
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}
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CReadSocket::CReadSocket( ReadNotifyCallback aGotData, void* aCallbackClosure )
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: iGotData(aGotData)
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, iCallbackClosure(aCallbackClosure)
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, iReadState(ENotReading)
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, iPort(0)
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, CActive(EPriorityStandard)
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{
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iInBuf.SetLength(0);
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}
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CReadSocket::~CReadSocket()
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{
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Cancel();
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iSocketServer.Close();
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}
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void
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CReadSocket::ConstructL()
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{
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CActiveScheduler::Add( this );
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TInt err = iSocketServer.Connect();
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XP_LOGF( "iSocketServer.Connect => %d", err );
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err = iListenSocket.Open( iSocketServer, KAfInet,
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KSockDatagram, KProtocolInetUdp );
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XP_LOGF( "iListenSocket.Open => %d", err );
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if ( iPort != 0 ) {
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Bind();
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}
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}
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void
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CReadSocket::Bind()
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{
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XP_ASSERT( iPort != 0 );
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TSockAddr iSockAddress( KProtocolInetUdp );
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iSockAddress.SetPort( iPort );
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TInt err = iListenSocket.Bind( iSockAddress );
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XP_LOGF( "iListenSocket.Bind => %d", err );
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} /* Bind */
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void
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CReadSocket::SetListenPort( TInt aPort )
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{
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XP_LOGF( "SetListenPort(%d)", aPort );
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if ( aPort != iPort ) {
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TBool wasActive = iReadState == EReading && IsActive();
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if ( wasActive ) {
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Cancel(); /* stop anything ongoing */
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}
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iPort = aPort;
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Bind();
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if ( wasActive ) {
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RequestRecv();
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}
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}
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} /* SetListenPort */
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void
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CReadSocket::RequestRecv()
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{
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XP_ASSERT( !IsActive() );
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XP_LOGF( "calling iListenSocket.RecvFrom" );
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iListenSocket.RecvFrom( iInBuf, iRecvAddr, 0, iStatus );
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iReadState = EReading;
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SetActive();
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} /* RequestRead */
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void
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CReadSocket::RunL()
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{
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XP_ASSERT( iStatus.Int() == KErrNone );
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XP_ASSERT( iReadState == EReading );
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if ( iStatus.Int() == KErrNone ) {
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XP_LOGF( "SUCCESS: packet received!" );
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(*iGotData)( &iInBuf, iCallbackClosure );
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iInBuf.SetLength(0);
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}
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iReadState = ENotReading;
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RequestRecv(); /* We just keep listening... */
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} /* RunL */
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void
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CReadSocket::DoCancel()
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{
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if ( iReadState == EReading ) {
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iListenSocket.CancelRecv();
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}
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}
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void
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CReadSocket::Start()
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{
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if ( !IsActive() ) {
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RequestRecv();
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}
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}
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void
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CReadSocket::Stop()
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{
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Cancel();
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}
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#endif
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