public override void OnCommand(ITftpCommand command, System.Net.EndPoint endpoint)
{
if (command is OptionAcknowledgement)
{
TransferOptionSet acknowledged = new TransferOptionSet((command as OptionAcknowledgement).Options);
Context.FinishOptionNegotiation(acknowledged);
BeginSendingTo(endpoint);
}
else
if (command is Acknowledgement && (command as Acknowledgement).BlockNumber == 0)
{
Context.FinishOptionNegotiation(TransferOptionSet.NewEmptySet());
BeginSendingTo(endpoint);
}
else
if (command is Error)
{
//The server denied our request
Error error = (Error)command;
Context.SetState(new ReceivedError(error));
}
else
{
base.OnCommand(command, endpoint);
}
}
public override void OnCommand(ITFtpCommand command, System.Net.EndPoint endpoint)
{
switch (command)
{
case OptionAcknowledgement optionAcknowledgement:
{
TransferOptionSet acknowledged = new TransferOptionSet(optionAcknowledgement.Options);
Context.FinishOptionNegotiation(acknowledged);
BeginSendingTo(endpoint);
break;
}
case Acknowledgement acknowledgement when acknowledgement.BlockNumber == 0:
Context.FinishOptionNegotiation(TransferOptionSet.NewEmptySet());
BeginSendingTo(endpoint);
break;
case Error error:
// The server denied our request
Context.SetState(new ReceivedError(error));
break;
default:
base.OnCommand(command, endpoint);
break;
}
}
public override void OnCommand(ITFtpCommand command, EndPoint endpoint)
{
if (command is Commands.Data || command is OptionAcknowledgement)
{
// The server acknowledged our read request.
// Fix out remote endpoint
Context.GetConnection().RemoteEndpoint = endpoint;
}
switch (command)
{
case Commands.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);
break;
}
case OptionAcknowledgement optionAcknowledgement:
// Check which options were acknowledged
Context.FinishOptionNegotiation(new TransferOptionSet(optionAcknowledgement.Options));
// the server acknowledged our options. Confirm the final options
SendAndRepeat(new Acknowledgement(0));
break;
case Error error:
Context.SetState(new ReceivedError(error));
break;
default:
base.OnCommand(command, endpoint);
break;
}
}
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);
}
}
private void Parse(TransferOption option)
{
options = new TransferOptionSet(new TransferOption[] { option });
}
