private int InternalExecute()
{
if (SendOption.HasValue() && ReceiveOption.HasValue())
{
Console.WriteLine("Use either -s or -r option.");
return(ExitCodes.SendAndReceiveSpecified);
}
var isSend = !ReceiveOption.HasValue();
var file = FileArgument.Value;
if (isSend && string.IsNullOrEmpty(file))
{
Console.WriteLine("No file specified.");
return(ExitCodes.NoFileSpecified);
}
if (!string.IsNullOrEmpty(file) && !CheckFile(file))
{
return(ExitCodes.InvalidFileSpecified);
}
ushort port = 56657;
if (PortOption.HasValue())
{
var canPortParse = PortOption.HasValue() && ushort.TryParse(PortOption.Value(), out port);
if (!canPortParse)
{
Console.WriteLine("Invalid port.");
return(ExitCodes.InvalidPort);
}
}
var bufferSize = 65536 * 32;
if (BufferOption.HasValue())
{
var canBufferParse = BufferOption.HasValue() && int.TryParse(BufferOption.Value(), out bufferSize);
if (!canBufferParse)
{
Console.WriteLine("Invalid Buffer Size.");
return(ExitCodes.InvalidBufferSize);
}
}
bool AcceptFileCallback(string name, long size, string sender, IPAddress source)
{
Console.Write($"File {name} ({Progress.ToFileSize(size)}) announced by {sender} ({source}), accept? (y/n) ");
var read = Console.ReadLine();
return(read == "y");
}
var worker = isSend
? (Worker) new SendWorker(port, bufferSize, file)
: new ReceiveWorker(port, bufferSize, file, AcceptFileCallback);
return(worker.Run());
}