/// <summary>
/// The UPnP Managed Class
/// </summary>
/// <remarks></remarks>
public UPnP()
{
_lastInstance = this;
//Create the new NAT Class
_upnpnat = new UPnPNAT();
//generate the static mappings
GetStaticMappings();
}
/// <summary>
/// The UPnP Managed Class
/// </summary>
/// <remarks></remarks>
public UPnP()
{
_lastInstance = this;
//Create the new NAT Class
_upnpnat = new UPnPNAT();
//generate the static mappings
GetStaticMappings();
}
public PortMappingEntry(uint port, string ip, string name, UPnP.Protocol protocol)
{
try
{
Port = port;
Ip = ip;
Name = name;
Protocol = protocol;
}
catch (Exception)
{
throw new InvalidCastException("Couldn't create portmapping entry");
}
}
private static void GetMappingJob()
{
try
{
if (_lastInstance == null)
{
_lastInstance = new UPnP();
}
// Return list
List <PortMappingEntry> l = new List <PortMappingEntry>();
// Loop through all the data after a check
if (!UpnpEnabled || !_lastInstance._staticEnabled || _lastInstance._staticMapping == null)
{
return;
}
foreach (IStaticPortMapping mapping in _lastInstance._staticMapping)
{
try
{
l.Add(new PortMappingEntry(Convert.ToUInt32(mapping.InternalPort), mapping.InternalClient,
mapping.Description,
mapping.Protocol));
}
catch (Exception ex)
{
Logger.Log(LogLevel.Warning, "uPnP", "Couldn't load mapping: " + ex.Message);
}
}
MappingUpdateReceivedEventHandler handler = MappingUpdateReceived;
if (handler != null)
{
handler.Invoke(l);
}
}
catch (Exception exception)
{
Logger.Log(LogLevel.Warning, "UPnP", "Couldn't get upnp mapping! Probably UPnP is disabled",
exception.Message);
if (_lastInstance != null)
{
_lastInstance._staticEnabled = false; // remember that upnp is disabled
}
}
// No return value, use the event to get the list!
}
private void UpdateMappingAsync()
{
if (InvokeRequired)
{
Invoke((MethodInvoker)(UpdateMappingAsync));
}
else
{
BtnAdd.Enabled = false;
BtnRefresh.Enabled = false;
UPnP.GetMapping();
// this.lblStatus.Text = "Loading info. This could take a while...";
}
}
private void PortForwarder_Load(object sender, EventArgs e)
{
//if (!UPnP.UpnpEnabled)
//{
// MetroMessageBox.Show(Application.OpenForms[0],
// Locale.Tr("Port forwarding isn't available") + Constants.vbCrLf +
// Locale.Tr("Your network device (router) doesn't support UPnP"),
// Locale.Tr("Port forwarding unavailable"), MessageBoxButtons.OK, MessageBoxIcon.Error);
//}
TxtIp.Text = UPnP.LocalIp();
CBProtocol.SelectedIndex = 0;
UpdateMappingAsync();
}
public static bool Forward(string name, uint port, string ip, Protocol protocol = Protocol.TCP,
bool @async = true)
{
try
{
// lblStatus.Text = "adding port forward...";
if (_lastInstance == null)
{
_lastInstance = new UPnP();
}
if (_lastInstance.Exists(port, protocol))
{
MetroMessageBox.Show(Application.OpenForms[0], Locale.Tr("This port is aleady forwarded"),
Locale.Tr("Port already in use"),
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return(false);
//aLocale.Tready in use
}
if (!@async)
{
_lastInstance.Add(ip, port, protocol, name);
}
else
{
Thread t = new Thread((() => Forward(new PortMappingEntry(port, ip, name, protocol))))
{
Name = "Foward_" + port
};
t.SetApartmentState(ApartmentState.MTA);
t.Start();
}
return(true);
}
catch (Exception ex)
{
Logger.Log(LogLevel.Warning, "PortForwarder", "Couldn't forward ports", ex.InnerException.Message);
MetroMessageBox.Show(Application.OpenForms[0],
Locale.Tr(
"This port couldn't be forwarded. Something went wrong while communicating with your router"),
Locale.Tr("Can't forward"), MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
}
private void BtnAdd_Click(object sender, EventArgs e)
{
UPnP.Protocol protocol;
if (CBProtocol.SelectedIndex == 1)
{
protocol = UPnP.Protocol.UDP;
}
else
{
protocol = UPnP.Protocol.TCP;
}
if (!Regex.IsMatch(TxtIp.Text, "(\\d{1,3}\\.){3}\\d{1,3}"))
{
MetroMessageBox.Show(Application.OpenForms[0],
Locale.Tr(
"The IP address you entered is invalid. It should be something like for example 192.168.1.2"),
Locale.Tr("Invalid inpunt"), MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
UPnP.Forward(TxtName.Text, Convert.ToUInt32(NumPort.Value), TxtIp.Text, protocol);
}
/// <summary>
/// Removes a port mapping from the UPnP enabled device.
/// </summary>
/// <param name="port">The port to remove.</param>
/// <param name="protocol">The protocol of the port [TCP/UDP]</param>
/// <exception cref="ApplicationException">This exception is thrown when UPnP is disabled.</exception>
/// <exception cref="ObjectDisposedException">This exception is thrown when this class has been disposed.</exception>
/// <exception cref="ArgumentException">This exception is thrown when the port [or protocol] is invalid.</exception>
/// <remarks></remarks>
public static void Remove(int port, Protocol protocol)
{
if (_lastInstance == null)
{
_lastInstance = new UPnP();
}
if (!UpnpEnabled)
{
throw new ApplicationException("UPnP is not enabled, or there was an error with UPnP Initialization.");
}
// Begin utilizing
if (!_lastInstance.Exists(port, protocol))
{
throw new ArgumentException("This mapping doesn't exist!", port + " : " + protocol);
}
// Okay, continue on
_lastInstance._staticMapping.Remove(port, protocol.ToString());
GetMapping(); //refresh
}
public static bool Forward(string name, uint port, string ip, Protocol protocol = Protocol.TCP,
bool @async = true)
{
try
{
// lblStatus.Text = "adding port forward...";
if (_lastInstance == null) _lastInstance = new UPnP();
if (_lastInstance.Exists(port, protocol))
{
MetroMessageBox.Show(Application.OpenForms[0], Locale.Tr("This port is aleady forwarded"),
Locale.Tr("Port already in use"),
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return false;
//aLocale.Tready in use
}
if (!@async)
{
_lastInstance.Add(ip, port, protocol, name);
}
else
{
Thread t = new Thread((() => Forward(new PortMappingEntry(port, ip, name, protocol))))
{
Name = "Foward_" + port
};
t.SetApartmentState(ApartmentState.MTA);
t.Start();
}
return true;
}
catch (Exception ex)
{
Logger.Log(LogLevel.Warning, "PortForwarder", "Couldn't forward ports", ex.InnerException.Message);
MetroMessageBox.Show(Application.OpenForms[0],
Locale.Tr(
"This port couldn't be forwarded. Something went wrong while communicating with your router"),
Locale.Tr("Can't forward"), MessageBoxButtons.OK, MessageBoxIcon.Error);
return false;
}
}
private static void GetMappingJob()
{
try
{
if (_lastInstance == null) _lastInstance = new UPnP();
// Return list
List<PortMappingEntry> l = new List<PortMappingEntry>();
// Loop through all the data after a check
if (!UpnpEnabled || !_lastInstance._staticEnabled || _lastInstance._staticMapping == null) return;
foreach (IStaticPortMapping mapping in _lastInstance._staticMapping)
{
try
{
l.Add(new PortMappingEntry(Convert.ToUInt32(mapping.InternalPort), mapping.InternalClient,
mapping.Description,
mapping.Protocol));
}
catch (Exception ex)
{
Logger.Log(LogLevel.Warning, "uPnP", "Couldn't load mapping: " + ex.Message);
}
}
MappingUpdateReceivedEventHandler handler = MappingUpdateReceived;
if (handler != null)
{
handler.Invoke(l);
}
}
catch (Exception exception)
{
Logger.Log(LogLevel.Warning, "UPnP", "Couldn't get upnp mapping! Probably UPnP is disabled",
exception.Message);
if (_lastInstance != null) _lastInstance._staticEnabled = false; // remember that upnp is disabled
}
// No return value, use the event to get the list!
}
/// <summary>
/// Removes a port mapping from the UPnP enabled device.
/// </summary>
/// <param name="port">The port to remove.</param>
/// <param name="protocol">The protocol of the port [TCP/UDP]</param>
/// <exception cref="ApplicationException">This exception is thrown when UPnP is disabled.</exception>
/// <exception cref="ObjectDisposedException">This exception is thrown when this class has been disposed.</exception>
/// <exception cref="ArgumentException">This exception is thrown when the port [or protocol] is invalid.</exception>
/// <remarks></remarks>
public static void Remove(int port, Protocol protocol)
{
if (_lastInstance == null) _lastInstance = new UPnP();
if (!UpnpEnabled)
throw new ApplicationException("UPnP is not enabled, or there was an error with UPnP Initialization.");
// Begin utilizing
if (!_lastInstance.Exists(port, protocol))
throw new ArgumentException("This mapping doesn't exist!", port + " : " + protocol);
// Okay, continue on
_lastInstance._staticMapping.Remove(port, protocol.ToString());
GetMapping(); //refresh
}
public void RemoveFromMapping()
{
UPnP.Remove(Convert.ToInt32(Port), Protocol);
}
public void AddToMapping()
{
UPnP.Forward(this);
}
