private async void OnSend(byte[] data)
{
if (!ValidateSend())
{
return;
}
try
{
var msg = new Transmission(data, Transmission.EType.Sent);
History.Append(msg);
var res = await _udpClient.SendAsync(
msg, IPAddress.Parse(Send.MulticastGroup),
Send.Port.Value, ToEMulticastInterface(Send.SelectedInterface.Type),
Send.SelectedInterface.Address, Send.MulticastTtl);
if (res != null)
{
msg.Origin = res.From;
msg.Destination = res.To;
Send.Message = "";
}
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private bool ValidateJoin()
{
string error = null;
if (HasError(nameof(MulticastGroup)))
{
error = GetError(nameof(MulticastGroup));
}
else if (HasError(nameof(MulticastSource)))
{
error = GetError(nameof(MulticastSource));
}
else if (HasError(nameof(MulticastPort)))
{
error = GetError(nameof(MulticastPort));
}
if (error != null)
{
DialogUtils.ShowErrorDialog(error);
return(false);
}
return(true);
}
private bool ValidateSend()
{
string error = null;
if (Send.HasError(nameof(Send.MulticastGroup)))
{
error = Send.GetError(nameof(Send.MulticastGroup));
}
else if (Send.HasError(nameof(Send.Port)))
{
error = Send.GetError(nameof(Send.Port));
}
else if (Send.HasError(nameof(Send.MulticastTtl)))
{
error = Send.GetError(nameof(Send.MulticastTtl));
}
if (error != null)
{
DialogUtils.ShowErrorDialog(error);
return(false);
}
return(true);
}
private void Start()
{
if (!ValidateStart())
{
return;
}
try
{
_tcpServer.Start(SelectedInterface.Address, Port.Value);
}
catch (System.Net.Sockets.SocketException ex)
{
String message = ex.Message;
if (ex.ErrorCode == 10013)
{
message = "Port " + Port + " is already in use, unable to start server.";
}
DialogUtils.ShowErrorDialog(message);
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private async void OnSend(byte[] data)
{
if (!ValidateSend())
{
return;
}
try
{
var msg = new Transmission(data, Transmission.EType.Sent);
History.Append(msg);
var res = await _udpClientServer.SendAsync(Send.IpAddress, Send.Port.Value, msg);
if (res != null)
{
msg.Origin = res.From;
msg.Destination = res.To;
Send.Message = "";
}
}
catch (Exception ex)
{
Console.Write(ex.StackTrace);
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private void Start()
{
if (!ValidateStart())
{
return;
}
try
{
_udpClientServer.Start(SelectedInterface.Address, ListenPort.Value);
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private async void Connect()
{
if (!ValidateConnect())
{
return;
}
try
{
await _tcpClient.ConnectAsync(IpAddress, Port.Value);
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private bool ValidateStart()
{
string error = null;
if (HasError(nameof(ListenPort)))
{
error = GetError(nameof(ListenPort));
}
if (error != null)
{
DialogUtils.ShowErrorDialog(error);
return(false);
}
return(true);
}
private void Join()
{
if (!ValidateJoin())
{
return;
}
try
{
_udpClient.JoinSSM(IPAddress.Parse(MulticastGroup), IPAddress.Parse(MulticastSource), MulticastPort.Value,
ToEMulticastInterface(SelectedListenInterface.Type),
SelectedListenInterface.Address);
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private void Send()
{
if (FileSelected)
{
var filePath = Message;
if (!File.Exists(filePath))
{
DialogUtils.ShowErrorDialog("The file does not exist.");
return;
}
if (new FileInfo(filePath).Length > 4096)
{
DialogUtils.ShowErrorDialog("The file is to large to send, maximum size is 16 KB.");
return;
}
try
{
byte[] file = File.ReadAllBytes(filePath);
SendData?.Invoke(file);
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog("Error while reading file. " + ex.Message);
return;
}
}
else
{
byte[] data = new byte[0];
try
{
data = _parser.Parse(Message, SettingsUtils.GetEncoding());
SendData?.Invoke(data);
}
catch (FormatException ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
return;
}
}
}
private async void OnSend(byte[] data)
{
try
{
Transmission msg = new Transmission(data, Transmission.EType.Sent);
History.Append(msg);
TransmissionResult res = await _tcpServer.SendAsync(msg);
if (res != null)
{
msg.Origin = res.From;
msg.Destination = res.To;
Send.Message = "";
}
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog(ex.Message);
}
}
private void Save()
{
string data = GetSelectedItemsAsString();
var dialog = new SaveFileDialog();
dialog.Filter = "Text file (*.txt)|*.txt";
if (dialog.ShowDialog().GetValueOrDefault())
{
try
{
File.WriteAllText(dialog.FileName, data);
}
catch (Exception ex)
{
DialogUtils.ShowErrorDialog("Failed to save file. " + ex.Message);
}
}
}
private bool ValidateConnect()
{
string error = null;
if (HasError(nameof(IpAddress)))
{
error = GetError(nameof(IpAddress));
}
else if (HasError(nameof(Port)))
{
error = GetError(nameof(Port));
}
if (error != null)
{
DialogUtils.ShowErrorDialog(error);
return(false);
}
return(true);
}
