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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "BaseSocketInterface.h"
#include "Debug.h"
static const int debugLevel = 1;
//_______________________________________________________
BaseSocketInterface::BaseSocketInterface( QObject* parent, QTcpSocket* socket ):
QObject( parent ),
socket_( socket )
{
Debug::Throw( "BaseSocketInterface::BaseSocketInterface.\n" );
if( !socket_ ) socket_ = new QTcpSocket( this );
connect( socket_, SIGNAL(connected()), SLOT(_sendPendingBuffers()) );
connect( socket_, SIGNAL(readyRead()), SLOT(_read()) );
}
//_______________________________________________________
void BaseSocketInterface::sendBuffer( qint32 type, const QByteArray& buffer )
{
if( socket().state() == QAbstractSocket::ConnectedState ) _sendBuffer( type, buffer );
else pendingBuffers_.append( BufferPair( type, buffer ) );
}
//_______________________________________________________
void BaseSocketInterface::_sendPendingBuffers( void )
{
foreach( auto bufferPair, pendingBuffers_ )
{ _sendBuffer( bufferPair.first, bufferPair.second ); }
pendingBuffers_.clear();
}
//_______________________________________________________
void BaseSocketInterface::_sendBuffer( qint32 type, const QByteArray& buffer )
{
quint64 bufferSize( buffer.size() );
Debug::Throw(debugLevel) << "BaseSocketInterface::_sendBuffer - type: " << type << " size: " << bufferSize << endl;
socket_->write( reinterpret_cast<const char*>( &type ), sizeof( buffertype_t ) );
socket_->write( reinterpret_cast<const char*>( &bufferSize ), sizeof( buffersize_t ) );
socket_->write( buffer );
}
//_______________________________________________________
void BaseSocketInterface::_read( void )
{
if( !socket_->bytesAvailable() ) return;
Debug::Throw(debugLevel) << "BaseSocketInterface::_read - bytes: " << socket_->bytesAvailable() << endl;
forever
{
// buffer type
if( bufferType_ < 0 )
{
if( socket_->bytesAvailable() >= int(sizeof( buffertype_t )) ) socket_->read( reinterpret_cast<char*>( &bufferType_ ), sizeof( buffertype_t ) );
else break;
Debug::Throw(debugLevel)
<< "BaseSocketInterface::_read -"
<< " bufferType: " << bufferType_
<< " bytes: " << socket_->bytesAvailable()
<< endl;
}
if( bufferSize_ == 0 )
{
if( socket_->bytesAvailable() >= int(sizeof( buffersize_t )) ) socket_->read( reinterpret_cast<char*>( &bufferSize_ ), sizeof( buffersize_t ) );
else break;
Debug::Throw(debugLevel)
<< "BaseSocketInterface::_read -"
<< " bufferSize: " << bufferSize_
<< " bytes: " << socket_->bytesAvailable()
<< endl;
}
if( bufferSize_ == 0 ) break;
if( quint64(socket_->bytesAvailable()) >= bufferSize_ )
{
const QByteArray array = socket_->read( bufferSize_ );
const buffertype_t bufferType = bufferType_;
bufferSize_ = 0;
bufferType_ = -1;
emit bufferReceived( bufferType, array );
Debug::Throw(debugLevel)
<< "BaseSocketInterface::_read -"
<< " array size: " << array.size()
<< " bytes: " << socket_->bytesAvailable()
<< endl;
} else break;
}
}
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