private void ServerSocket_OnCommandReceived(ITFtpCommand command, EndPoint endpoint)
{
// Ignore all other commands
if (!(command is ReadOrWriteRequest))
{
return;
}
// Open a connection to the client
ITransferChannel channel = TransferChannelFactory.CreateConnection(endpoint);
// Create a wrapper for the transfer request
ReadOrWriteRequest request = (ReadOrWriteRequest)command;
ITFtpTransfer transfer = request is ReadRequest ? (ITFtpTransfer) new LocalReadTransfer(channel, request.Filename, request.Options) : new LocalWriteTransfer(channel, request.Filename, request.Options);
switch (command)
{
case ReadRequest _:
RaiseOnReadRequest(transfer, endpoint);
break;
case WriteRequest _:
RaiseOnWriteRequest(transfer, endpoint);
break;
default:
throw new Exception($"Unexpected TFTP transfer request: {command}");
}
}
internal static void Trace(string message, ITFtpTransfer transfer)
{
if (!Enabled)
{
return;
}
System.Diagnostics.Trace.WriteLine(message, transfer.ToString());
}
private void RaiseOnReadRequest(ITFtpTransfer transfer, EndPoint client)
{
if (OnReadRequest != null)
{
OnReadRequest(transfer, client);
}
else
{
transfer.Cancel(new TFtpErrorPacket(0, "Server did not provide a OnReadRequest handler."));
}
}
