public override void OnData(Data command)
{
var nextState = new Receiving();
Context.SetState(nextState);
nextState.OnCommand(command, Context.GetConnection().RemoteEndpoint);
}
public override void OnData(Data command)
{
if (command.BlockNumber == 1)
{
//The client confirmed the options, so let's start receiving
ITransferState nextState = new Receiving();
Context.SetState(nextState);
nextState.OnCommand(command, Context.GetConnection().RemoteEndpoint);
}
}
public override void OnCommand(ITftpCommand command, EndPoint endpoint)
{
if (command is Data || command is OptionAcknowledgement)
{
//The server acknowledged our read request.
//Fix out remote endpoint
Context.GetConnection().RemoteEndpoint = endpoint;
}
if (command is Data)
{
if (Context.NegotiatedOptions == null)
{
Context.FinishOptionNegotiation(TransferOptionSet.NewEmptySet());
}
//Switch to the receiving state...
ITransferState nextState = new Receiving();
Context.SetState(nextState);
//...and let it handle the data packet
nextState.OnCommand(command, endpoint);
}
else if (command is OptionAcknowledgement)
{
//Check which options were acknowledged
Context.FinishOptionNegotiation(new TransferOptionSet((command as OptionAcknowledgement).Options));
//the server acknowledged our options. Confirm the final options
SendAndRepeat(new Acknowledgement(0));
}
else if (command is Error)
{
Context.SetState(new ReceivedError((Error)command));
}
else
{
base.OnCommand(command, endpoint);
}
}