/// <summary>
/// Creates a new UDP acceptSocket that is a member of the SSDP multicast local admin group and binds it to the specified local port.
/// </summary>
/// <returns>An implementation of the <see cref="ISocket"/> interface used by RSSDP components to perform acceptSocket operations.</returns>
public ISocket CreateSsdpUdpSocket(IpAddressInfo localIpAddress, int localPort)
{
if (localPort < 0)
{
throw new ArgumentException("localPort cannot be less than zero.", "localPort");
}
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Dgram, System.Net.Sockets.ProtocolType.Udp);
try
{
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, 4);
var localIp = NetworkManager.ToIPAddress(localIpAddress);
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse("239.255.255.250"), localIp));
return(new UdpSocket(retVal, localPort, localIp));
}
catch
{
if (retVal != null)
{
retVal.Dispose();
}
throw;
}
}
public async Task <bool> CheckTunerAvailability(IpAddressInfo remoteIp, int tuner, CancellationToken cancellationToken)
{
using (var socket = _socketFactory.CreateTcpSocket(remoteIp, HdHomeRunPort))
{
return(await CheckTunerAvailability(socket, remoteIp, tuner, cancellationToken).ConfigureAwait(false));
}
}
public void GetIpConfig_HoloLens_1607()
{
TestHelpers.MockHttpResponder.AddMockResponse(
DevicePortal.IpConfigApi,
this.PlatformType,
this.FriendlyOperatingSystemVersion,
HttpMethods.Get);
Task <IpConfiguration> getTask = TestHelpers.Portal.GetIpConfigAsync();
getTask.Wait();
Assert.AreEqual(TaskStatus.RanToCompletion, getTask.Status);
IpConfiguration ipconfig = getTask.Result;
// Check some known things about this response.
Assert.AreEqual(2, ipconfig.Adapters.Count);
NetworkAdapterInfo adapter = ipconfig.Adapters[0];
Assert.AreEqual("Bluetooth Device (Personal Area Network)", adapter.Description);
Assert.AreEqual("4c-0b-be-ff-bd-64", adapter.MacAddress);
Assert.AreEqual(7, adapter.Index);
Assert.AreEqual(Guid.Parse("{765C05C8-7B46-4CE6-BEC9-33C6112234B4}"), adapter.Id);
Assert.AreEqual("Ethernet", adapter.AdapterType);
IpAddressInfo ipAddress = adapter.IpAddresses[0];
Assert.AreEqual("0.0.0.0", ipAddress.Address);
Assert.AreEqual("0.0.0.0", ipAddress.SubnetMask);
}
private List <ISocket> GetSendSockets(IpAddressInfo fromLocalIpAddress, IpEndPointInfo destination)
{
EnsureSendSocketCreated();
lock (_SendSocketSynchroniser)
{
var sockets = _sendSockets.Where(i => i.LocalIPAddress.AddressFamily == fromLocalIpAddress.AddressFamily);
// Send from the Any socket and the socket with the matching address
if (fromLocalIpAddress.AddressFamily == IpAddressFamily.InterNetwork)
{
sockets = sockets.Where(i => i.LocalIPAddress.Equals(IpAddressInfo.Any) || fromLocalIpAddress.Equals(i.LocalIPAddress));
// If sending to the loopback address, filter the socket list as well
if (destination.IpAddress.Equals(IpAddressInfo.Loopback))
{
sockets = sockets.Where(i => i.LocalIPAddress.Equals(IpAddressInfo.Any) || i.LocalIPAddress.Equals(IpAddressInfo.Loopback));
}
}
else if (fromLocalIpAddress.AddressFamily == IpAddressFamily.InterNetworkV6)
{
sockets = sockets.Where(i => i.LocalIPAddress.Equals(IpAddressInfo.IPv6Any) || fromLocalIpAddress.Equals(i.LocalIPAddress));
// If sending to the loopback address, filter the socket list as well
if (destination.IpAddress.Equals(IpAddressInfo.IPv6Loopback))
{
sockets = sockets.Where(i => i.LocalIPAddress.Equals(IpAddressInfo.IPv6Any) || i.LocalIPAddress.Equals(IpAddressInfo.IPv6Loopback));
}
}
return(sockets.ToList());
}
}
/// <summary>
/// Sends a message to the SSDP multicast address and port.
/// </summary>
public async Task SendMulticastMessage(string message, int sendCount, IpAddressInfo fromLocalIpAddress, CancellationToken cancellationToken)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
byte[] messageData = Encoding.UTF8.GetBytes(message);
ThrowIfDisposed();
cancellationToken.ThrowIfCancellationRequested();
EnsureSendSocketCreated();
// SSDP spec recommends sending messages multiple times (not more than 3) to account for possible packet loss over UDP.
for (var i = 0; i < sendCount; i++)
{
await SendMessageIfSocketNotDisposed(messageData, new IpEndPointInfo
{
IpAddress = new IpAddressInfo(SsdpConstants.MulticastLocalAdminAddress, IpAddressFamily.InterNetwork),
Port = SsdpConstants.MulticastPort
}, fromLocalIpAddress, cancellationToken).ConfigureAwait(false);
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
}
public void GetIpConfig_IoT()
{
TestHelpers.MockHttpResponder.AddMockResponse(
DevicePortal.IpConfigApi,
this.PlatformType,
this.FriendlyOperatingSystemVersion,
HttpMethods.Get);
Task <IpConfiguration> getTask = TestHelpers.Portal.GetIpConfig();
getTask.Wait();
Assert.AreEqual(TaskStatus.RanToCompletion, getTask.Status);
IpConfiguration ipconfig = getTask.Result;
// Check some known things about this response.
NetworkAdapterInfo adapter = ipconfig.Adapters[0];
Assert.AreEqual("Bluetooth Device (Personal Area Network)", adapter.Description);
Assert.AreEqual("b8-27-eb-8d-0b-c5", adapter.MacAddress);
Assert.AreEqual(4, adapter.Index);
IpAddressInfo ipAddress = adapter.IpAddresses[0];
Assert.AreEqual("0.0.0.0", ipAddress.Address);
Assert.AreEqual("0.0.0.0", ipAddress.SubnetMask);
}
private void LoadCachedAddress()
{
var path = CacheFilePath;
_logger.Info("Loading data from {0}", path);
try
{
var endpoint = _encryption.DecryptString(_fileSystem.ReadAllText(path, Encoding.UTF8));
IpAddressInfo ipAddress;
if (_networkManager.TryParseIpAddress(endpoint, out ipAddress))
{
_cachedIpAddress = ipAddress;
((ConnectManager)_connectManager).OnWanAddressResolved(ipAddress);
}
}
catch (IOException)
{
// File isn't there. no biggie
}
catch (Exception ex)
{
_logger.ErrorException("Error loading data", ex);
}
}
public ISocket CreateTcpSocket(IpAddressInfo remoteAddress, int remotePort)
{
if (remotePort < 0)
{
throw new ArgumentException("remotePort cannot be less than zero.", "remotePort");
}
var retVal = new Socket(AddressFamily.InterNetwork, System.Net.Sockets.SocketType.Stream, System.Net.Sockets.ProtocolType.Tcp);
try
{
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
}
catch (SocketException)
{
// This is not supported on all operating systems (qnap)
}
try
{
return(new UdpSocket(retVal, new IpEndPointInfo(remoteAddress, remotePort)));
}
catch
{
if (retVal != null)
{
retVal.Dispose();
}
throw;
}
}
private void CacheAddress(IpAddressInfo address)
{
if (_cachedIpAddress != null && _cachedIpAddress.Equals(address))
{
// no need to update the file if the address has not changed
return;
}
var path = CacheFilePath;
try
{
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
}
catch (Exception ex)
{
}
try
{
_fileSystem.WriteAllText(path, _encryption.EncryptString(address.ToString()), Encoding.UTF8);
_cachedIpAddress = address;
}
catch (Exception ex)
{
_logger.ErrorException("Error saving data", ex);
}
}
public IpAddressInfo GetLocalIpSubnetMask(IpAddressInfo address)
{
NetworkInterface[] interfaces;
IPAddress ipaddress = ToIPAddress(address);
try
{
var validStatuses = new[] { OperationalStatus.Up, OperationalStatus.Unknown };
interfaces = NetworkInterface.GetAllNetworkInterfaces()
.Where(i => validStatuses.Contains(i.OperationalStatus))
.ToArray();
}
catch (Exception ex)
{
Logger.LogError(ex, "Error in GetAllNetworkInterfaces");
return(null);
}
foreach (NetworkInterface ni in interfaces)
{
if (ni.GetIPProperties().GatewayAddresses.FirstOrDefault() != null)
{
foreach (UnicastIPAddressInformation ip in ni.GetIPProperties().UnicastAddresses)
{
if (ip.Address.Equals(ipaddress) && ip.IPv4Mask != null)
{
return(ToIpAddressInfo(ip.IPv4Mask));
}
}
}
}
return(null);
}
public bool IsInSameSubnet(IpAddressInfo address1, IpAddressInfo address2, IpAddressInfo subnetMask)
{
IPAddress network1 = GetNetworkAddress(ToIPAddress(address1), ToIPAddress(subnetMask));
IPAddress network2 = GetNetworkAddress(ToIPAddress(address2), ToIPAddress(subnetMask));
return(network1.Equals(network2));
}
private async void TimerCallback(object state)
{
IpAddressInfo validIpAddress = null;
foreach (var ipLookupUrl in _ipLookups)
{
try
{
validIpAddress = await GetIpAddress(ipLookupUrl).ConfigureAwait(false);
// Try to find the ipv4 address, if present
if (validIpAddress.AddressFamily != IpAddressFamily.InterNetworkV6)
{
break;
}
}
catch (HttpException)
{
}
catch (Exception ex)
{
_logger.ErrorException("Error getting connection info", ex);
}
}
// If this produced an ipv6 address, try again
if (validIpAddress != null && validIpAddress.AddressFamily == IpAddressFamily.InterNetworkV6)
{
foreach (var ipLookupUrl in _ipLookups)
{
try
{
var newAddress = await GetIpAddress(ipLookupUrl, true).ConfigureAwait(false);
// Try to find the ipv4 address, if present
if (newAddress.AddressFamily != IpAddressFamily.InterNetworkV6)
{
validIpAddress = newAddress;
break;
}
}
catch (HttpException)
{
}
catch (Exception ex)
{
_logger.ErrorException("Error getting connection info", ex);
}
}
}
if (validIpAddress != null)
{
((ConnectManager)_connectManager).OnWanAddressResolved(validIpAddress);
CacheAddress(validIpAddress);
}
}
private Task <string> GetServerAddress(IpAddressInfo address, CancellationToken cancellationToken)
{
if (address == null)
{
return(_appHost.GetLocalApiUrl(cancellationToken));
}
return(Task.FromResult(_appHost.GetLocalApiUrl(address)));
}
private Task <string> GetServerAddress(IpAddressInfo address)
{
if (address == null)
{
return(_appHost.GetLocalApiUrl());
}
return(Task.FromResult(_appHost.GetLocalApiUrl(address)));
}
private void DeviceFound(DiscoveredSsdpDevice device, bool isNewDevice, IpAddressInfo localIpAddress)
{
if (!NotificationTypeMatchesFilter(device))
{
return;
}
OnDeviceAvailable(device, isNewDevice, localIpAddress);
}
public UpnpDevice(string aUuid, string aType, Uri aDescriptor, IpAddressInfo address)
{
Uuid = aUuid;
Type = aType;
Descriptor = aDescriptor;
Address = address;
USN = CreateUSN(aUuid, aType);
}
public void AddListener(IpAddressInfo ipAddress)
{
var listener = new Listener(IPAddress.Parse(ipAddress.Ip), ipAddress.Port);
Listeners.Add(listener);
if (IsRunning)
{
listener.Connect += ListenerOnConnect;
listener.Start();
}
}
public bool TryParseIpAddress(string ipAddress, out IpAddressInfo ipAddressInfo)
{
if (IPAddress.TryParse(ipAddress, out var address))
{
ipAddressInfo = ToIpAddressInfo(address);
return(true);
}
ipAddressInfo = null;
return(false);
}
public void RemoveListener(IpAddressInfo ipAddress)
{
var listener =
Listeners.FirstOrDefault(x => x.IpAddress.ToString() == ipAddress.Ip && x.Port == ipAddress.Port);
if (listener == null)
{
return;
}
RemoveListener(listener);
}
private void CacheAddress(IpAddressInfo address)
{
var path = CacheFilePath;
try
{
_fileSystem.CreateDirectory(Path.GetDirectoryName(path));
_fileSystem.WriteAllText(path, address.ToString(), Encoding.UTF8);
}
catch (Exception ex)
{
_logger.ErrorException("Error saving data", ex);
}
}
private static async Task <bool> CheckTunerAvailability(ISocket socket, IpAddressInfo remoteIp, int tuner, CancellationToken cancellationToken)
{
var ipEndPoint = new IpEndPointInfo(remoteIp, HdHomeRunPort);
var lockkeyMsg = CreateGetMessage(tuner, "lockkey");
await socket.SendToAsync(lockkeyMsg, 0, lockkeyMsg.Length, ipEndPoint, cancellationToken);
var receiveBuffer = new byte[8192];
var response = await socket.ReceiveAsync(receiveBuffer, 0, receiveBuffer.Length, cancellationToken).ConfigureAwait(false);
ParseReturnMessage(response.Buffer, response.ReceivedBytes, out string returnVal);
return(string.Equals(returnVal, "none", StringComparison.OrdinalIgnoreCase));
}
public UdpSocket(Socket socket, int localPort, IPAddress ip)
{
if (socket == null)
{
throw new ArgumentNullException(nameof(socket));
}
_socket = socket;
_localPort = localPort;
LocalIPAddress = NetworkManager.ToIpAddressInfo(ip);
_socket.Bind(new IPEndPoint(ip, _localPort));
InitReceiveSocketAsyncEventArgs();
}
private void AddListenerButton_Click(object sender, EventArgs e)
{
var window = new CreateNewListenerForm();
if (window.ShowDialog(this) == DialogResult.OK)
{
var ipAddressInfo = new IpAddressInfo {
Ip = window.IpAddress, Port = window.Port
};
_settings.IpAddresses.Add(ipAddressInfo);
_settings.Save();
_bindingSource.ResetBindings(false);
_server.AddListener(ipAddressInfo);
}
}
private void ProcessNotificationMessage(HttpRequestMessage message, IpAddressInfo localIpAddress)
{
if (String.Compare(message.Method.Method, "Notify", StringComparison.OrdinalIgnoreCase) != 0)
{
return;
}
var notificationType = GetFirstHeaderStringValue("NTS", message);
if (String.Compare(notificationType, SsdpConstants.SsdpKeepAliveNotification, StringComparison.OrdinalIgnoreCase) == 0)
{
ProcessAliveNotification(message, localIpAddress);
}
else if (String.Compare(notificationType, SsdpConstants.SsdpByeByeNotification, StringComparison.OrdinalIgnoreCase) == 0)
{
ProcessByeByeNotification(message);
}
}
private void DeviceFound(DiscoveredSsdpDevice device, bool isNewDevice, IpAddressInfo localIpAddress)
{
// Don't raise the event if we've already done it for a cached
// version of this device, and the cached version isn't
// "significantly" different, i.e location and cachelifetime
// haven't changed.
var raiseEvent = false;
if (!NotificationTypeMatchesFilter(device))
{
return;
}
lock (_SearchResultsSynchroniser)
{
if (_SearchResults != null)
{
var existingDevice = FindExistingDeviceNotification(_SearchResults, device.NotificationType, device.Usn);
if (existingDevice == null)
{
_SearchResults.Add(device);
raiseEvent = true;
}
else
{
if (existingDevice.DescriptionLocation != device.DescriptionLocation || existingDevice.CacheLifetime != device.CacheLifetime)
{
_SearchResults.Remove(existingDevice);
_SearchResults.Add(device);
raiseEvent = true;
}
}
}
else
{
raiseEvent = true;
}
}
if (raiseEvent)
{
OnDeviceAvailable(device, isNewDevice, localIpAddress);
}
}
private void ProcessAliveNotification(HttpRequestMessage message, IpAddressInfo localIpAddress)
{
var location = GetFirstHeaderUriValue("Location", message);
if (location != null)
{
var device = new DiscoveredSsdpDevice()
{
DescriptionLocation = location,
Usn = GetFirstHeaderStringValue("USN", message),
NotificationType = GetFirstHeaderStringValue("NT", message),
CacheLifetime = CacheAgeFromHeader(message.Headers.CacheControl),
AsAt = DateTimeOffset.Now,
ResponseHeaders = message.Headers
};
AddOrUpdateDiscoveredDevice(device, localIpAddress);
}
}
private void ProcessMessage(string data, IpEndPointInfo endPoint, IpAddressInfo receivedOnLocalIpAddress)
{
//Responses start with the HTTP version, prefixed with HTTP/ while
//requests start with a method which can vary and might be one we haven't
//seen/don't know. We'll check if this message is a request or a response
//by checking for the HTTP/ prefix on the start of the message.
if (data.StartsWith("HTTP/", StringComparison.OrdinalIgnoreCase))
{
HttpResponseMessage responseMessage = null;
try
{
responseMessage = _ResponseParser.Parse(data);
}
catch (ArgumentException)
{
// Ignore invalid packets.
}
if (responseMessage != null)
{
OnResponseReceived(responseMessage, endPoint, receivedOnLocalIpAddress);
}
}
else
{
HttpRequestMessage requestMessage = null;
try
{
requestMessage = _RequestParser.Parse(data);
}
catch (ArgumentException)
{
// Ignore invalid packets.
}
if (requestMessage != null)
{
OnRequestReceived(requestMessage, endPoint, receivedOnLocalIpAddress);
}
}
}
private void AddOrUpdateDiscoveredDevice(DiscoveredSsdpDevice device, IpAddressInfo localIpAddress)
{
bool isNewDevice = false;
lock (_Devices)
{
var existingDevice = FindExistingDeviceNotification(_Devices, device.NotificationType, device.Usn);
if (existingDevice == null)
{
_Devices.Add(device);
isNewDevice = true;
}
else
{
_Devices.Remove(existingDevice);
_Devices.Add(device);
}
}
DeviceFound(device, isNewDevice, localIpAddress);
}
public static IPAddress ToIPAddress(IpAddressInfo address)
{
if (address.Equals(IpAddressInfo.Any))
{
return(IPAddress.Any);
}
if (address.Equals(IpAddressInfo.IPv6Any))
{
return(IPAddress.IPv6Any);
}
if (address.Equals(IpAddressInfo.Loopback))
{
return(IPAddress.Loopback);
}
if (address.Equals(IpAddressInfo.IPv6Loopback))
{
return(IPAddress.IPv6Loopback);
}
return(IPAddress.Parse(address.Address));
}
public EndPointListener(HttpListener listener, IpAddressInfo addr, int port, bool secure, ICertificate cert, ILogger logger, ICryptoProvider cryptoProvider, IStreamFactory streamFactory, ISocketFactory socketFactory, IMemoryStreamFactory memoryStreamFactory, ITextEncoding textEncoding)
{
this.listener = listener;
_logger = logger;
_cryptoProvider = cryptoProvider;
_streamFactory = streamFactory;
_socketFactory = socketFactory;
_memoryStreamFactory = memoryStreamFactory;
_textEncoding = textEncoding;
this.secure = secure;
this.cert = cert;
_enableDualMode = addr.Equals(IpAddressInfo.IPv6Any);
endpoint = new IpEndPointInfo(addr, port);
prefixes = new Dictionary <ListenerPrefix, HttpListener>();
unregistered = new Dictionary <HttpConnection, HttpConnection>();
CreateSocket();
}
