FileConveyor::FileConveyor(QWidget *parent) :
QWidget(parent),
ui(new Ui::FileConveyor)
{
ui->setupUi(this);
sender = new Sender;
ui->stackedWidget->addWidget(sender);
receiver = new Receiver;
ui->stackedWidget->addWidget(receiver);
connect(ui->sendPushButton, SIGNAL(clicked()), this, SLOT(onSending()));
connect(sender, SIGNAL(finished()), this, SLOT(onFinished()));
connect(sender, SIGNAL(error()), this, SLOT(onError()));
connect(ui->recvPushButton, SIGNAL(clicked()), this, SLOT(onReceive()));
connect(receiver, SIGNAL(finished()), this, SLOT(onFinished()));
connect(receiver, SIGNAL(error()), this, SLOT(onError()));
}
void TCPClient::receive(Exception& ex, UInt32 available) {
if (available>0)
onSending(0); // to update _idleTime
if (available == 0) {
close(); // Graceful disconnection
return;
}
UInt32 size(_pBuffer->size());
_pBuffer->resize(size+available,true);
Exception exRecv;
int received = _socket.receiveBytes(exRecv,_pBuffer->data()+size, available);
if (received <= 0) {
if (exRecv)
OnError::raise(exRecv); // to be before onDisconnection!
close(); // Graceful disconnection
return;
} else if (exRecv)
ex.set(exRecv); // received > 0, so WARN
_pBuffer->resize(size+received,true);
size = 0;
while(size<_pBuffer->size()) { // while everything is not consumed
if (size)
_pBuffer->clip(size);
size = OnData::raise<0xFFFFFFFF>(_pBuffer); // consumed
if (!size) // if no consumption
return; // no release here
}
_pBuffer.release();
}
