public void Init() { TestRuntime.AssertXcodeVersion(11, 0); // connect so that we can later when the report and test with it connectedEvent = new AutoResetEvent(false); reportEvent = new AutoResetEvent(false); host = NetworkResources.MicrosoftUri.Host; // we create a connection which we are going to use to get the availabe // interfaces, that way we can later test protperties of the NWParameters class. using (var parameters = NWParameters.CreateUdp()) using (var endpoint = NWEndpoint.Create(host, "80")) { using (var protocolStack = parameters.ProtocolStack) { var ipOptions = protocolStack.InternetProtocol; ipOptions.IPSetVersion(NWIPVersion.Version4); } connection = new NWConnection(endpoint, parameters); connection.SetQueue(DispatchQueue.DefaultGlobalQueue); // important, else we will get blocked connection.SetStateChangeHandler(ConnectionStateHandler); connection.Start(); Assert.True(connectedEvent.WaitOne(20000), "Connection timed out."); connection.GetEstablishmentReport(DispatchQueue.DefaultGlobalQueue, (r) => { report = r; reportEvent.Set(); }); Assert.True(reportEvent.WaitOne(20000), "Connection timed out."); } }
public void Init() { TestRuntime.AssertXcodeVersion(10, 0); // we want to use a single connection, since it is expensive connectedEvent = new AutoResetEvent(false); host = "www.google.com"; using (var parameters = NWParameters.CreateTcp()) using (var endpoint = NWEndpoint.Create(host, "80")) { connection = new NWConnection(endpoint, parameters); connection.SetQueue(DispatchQueue.DefaultGlobalQueue); // important, else we will get blocked connection.SetStateChangeHandler(ConnectionStateHandler); connection.Start(); Assert.True(connectedEvent.WaitOne(20000), "Connection timed out."); stack = parameters.ProtocolStack; using (var ipOptions = stack.InternetProtocol) { if (ipOptions != null) { #if NET ipOptions.SetVersion(NWIPVersion.Version4); #else ipOptions.IPSetVersion(NWIPVersion.Version4); #endif stack.PrependApplicationProtocol(ipOptions); } } } }
public void AddServerAddressTest() { using var secondEndpoint = NWEndpoint.Create("https://github.com"); using var resolver = new NWResolverConfig(endpoint, NWResolverConfigEndpointType.Https); Assert.DoesNotThrow(() => resolver.AddServerAddress(secondEndpoint)); }
public void TearDown() { endpoint?.Dispose(); endpoint = null; descriptor?.Dispose(); descriptor = null; }
public void Init() { TestRuntime.AssertXcodeVersion(10, 0); // we want to use a single connection, since it is expensive connectedEvent = new AutoResetEvent(false); interfaces = new List <NWInterface> (); host = NetworkResources.MicrosoftUri.Host; // we create a connection which we are going to use to get the availabe // interfaces, that way we can later test protperties of the NWParameters class. using (var parameters = NWParameters.CreateUdp()) using (var endpoint = NWEndpoint.Create(host, "80")) { using (var protocolStack = parameters.ProtocolStack) { var ipOptions = protocolStack.InternetProtocol; #if NET ipOptions.SetVersion(NWIPVersion.Version4); #else ipOptions.IPSetVersion(NWIPVersion.Version4); #endif } connection = new NWConnection(endpoint, parameters); connection.SetQueue(DispatchQueue.DefaultGlobalQueue); // important, else we will get blocked connection.SetStateChangeHandler(ConnectionStateHandler); connection.Start(); Assert.True(connectedEvent.WaitOne(20000), "Connection timed out."); } }
static NWConnection CreateOutboundConnection(string name, string port) { NWEndpoint endpoint; if (bonjour) { endpoint = NWEndpoint.CreateBonjourService(name, GetServiceType(), "local"); } else { endpoint = NWEndpoint.Create(name, port); } Action <NWProtocolOptions> configureTls = SetupTls(); NWParameters parameters; if (useUdp) { if (useTls) { parameters = NWParameters.CreateSecureUdp(configureTls: configureTls, configureUdp: null); } else { parameters = NWParameters.CreateUdp(configureUdp: null); } } else { if (useTls) { parameters = NWParameters.CreateSecureTcp(configureTls: configureTls, configureTcp: null); } else { parameters = NWParameters.CreateTcp(configureTcp: null); } } using (NWProtocolStack protocolStack = parameters.ProtocolStack){ if (ipv4 || ipv6) { NWProtocolOptions ipOptions = protocolStack.InternetProtocol; ipOptions.IPSetVersion(ipv4 ? NWIPVersion.Version4 : NWIPVersion.Version6); } } if (localAddr != null || localPort != null) { using (NWEndpoint localEndpoint = NWEndpoint.Create(localAddr != null ? localAddr : "::", port == null ? "0" : port)) parameters.LocalEndpoint = localEndpoint; } var connection = new NWConnection(endpoint, parameters); endpoint.Dispose(); parameters.Dispose(); return(connection); }
public void SetSpecificSourceTest() { Assert.DoesNotThrow(() => { // create new endpoint and later ensure that it is present in the enumeration var newEndpoint = NWEndpoint.Create("224.0.0.252", "5454"); descriptor.SetSpecificSource(newEndpoint); }); }
public void SetUp() { TestRuntime.AssertXcodeVersion(12, TestRuntime.MinorXcode12APIMismatch); endpoint = NWEndpoint.Create("224.0.0.251", "5353"); parameters = NWParameters.CreateUdp(); descriptor = new NWMulticastGroup(endpoint); connectionGroup = new NWConnectionGroup(descriptor, parameters); }
public void CreateSecureTcpTestDoNotSetUpTls() { var setUpProtocol = CreateConfigureProtocolHandler(); using (var parameters = NWParameters.CreateSecureTcp(configureTls: null, configureTcp: setUpProtocol)) using (var endpoint = NWEndpoint.Create(NetworkResources.MicrosoftUri.Host, "80")) { configureEvent.WaitOne(); Assert.False(secureConnectionWasSet, "Configure TLS handler was called."); Assert.True(protocolConfigured, "Protocol configure handler was not called."); } }
public void TearDown() { endpoint?.Dispose(); endpoint = null; parameters?.Dispose(); parameters = null; descriptor?.Dispose(); descriptor = null; connectionGroup?.Dispose(); connectionGroup = null; }
public void CreateCustomIP() { TestRuntime.AssertXcodeVersion(11, 0); byte ipVersion = 10; var setUpProtocol = CreateConfigureProtocolHandler(); using (var parameters = NWParameters.CreateCustomIP(ipVersion, setUpProtocol)) using (var endpoint = NWEndpoint.Create("wwww.google.com", "80")) { configureEvent.WaitOne(); Assert.True(protocolConfigured, "Protocol configure handler was not called."); } }
public void LocalEndpointPropertyTest() { Assert.Ignore("nw_parameters_copy_local_endpoint always return null. Rdar filled 44095278."); using (var parameters = NWParameters.CreateUdp()) using (var endpoint = NWEndpoint.Create(NetworkResources.MicrosoftUri.Host, "80")) { var defaultValue = parameters.LocalEndpoint; Assert.IsNull(defaultValue, "Default value changed."); parameters.LocalEndpoint = endpoint; Assert.IsNotNull(parameters.LocalEndpoint, "New value was not stored."); } }
public void CreateSecureTcpTestDoNotSetUpTls() { var setUpProtocol = CreateConfigureProtocolHandler(); using (var parameters = NWParameters.CreateSecureTcp(configureTls: null, configureTcp: setUpProtocol)) using (var endpoint = NWEndpoint.Create("wwww.google.com", "80")) using (var connection = new NWConnection(endpoint, parameters)) { connection.SetQueue(DispatchQueue.MainQueue); connection.Start(); configureEvent.WaitOne(); connection.Cancel(); Assert.False(secureConnectionWasSet, "Configure TLS handler was called."); Assert.True(protocolConfigured, "Protocol configure handler was not called."); } }
public void AddEndpointTest() { Assert.Throws <ArgumentNullException> (() => { descriptor.AddEndpoint(null); }, "Null argument."); // create new endpoint and later ensure that it is present in the enumeration var newEndpoint = NWEndpoint.Create("224.0.0.252", "5454"); descriptor.AddEndpoint(newEndpoint); var e = new AutoResetEvent(false); descriptor.EnumerateEndpoints((endPoint) => { Assert.IsNotNull(endPoint); e.Set(); return(true); }); e.WaitOne(10000); }
public void Init() { TestRuntime.AssertXcodeVersion(10, 0); // we want to use a single connection, since it is expensive connectedEvent = new AutoResetEvent(false); host = NetworkResources.MicrosoftUri.Host; interfaces = new List <NWInterface> (); using (var parameters = NWParameters.CreateUdp()) using (var endpoint = NWEndpoint.Create(host, "80")) { connection = new NWConnection(endpoint, parameters); connection.SetQueue(DispatchQueue.DefaultGlobalQueue); // important, else we will get blocked connection.SetStateChangeHandler(ConnectionStateHandler); connection.Start(); Assert.True(connectedEvent.WaitOne(20000), "Connection timed out."); using (var path = connection.CurrentPath) { path.EnumerateInterfaces(EnumerateInterfacesHandler); } } }
public void SetUp() { // connect and once the connection is done, deal with the diff tests connectedEvent = new AutoResetEvent(false); host = NetworkResources.MicrosoftUri.Host; // we create a connection which we are going to use to get the availabe // interfaces, that way we can later test protperties of the NWParameters class. using (var parameters = NWParameters.CreateUdp()) using (var endpoint = NWEndpoint.Create(host, "80")) { using (var protocolStack = parameters.ProtocolStack) { var ipOptions = protocolStack.InternetProtocol; ipOptions.IPSetVersion(NWIPVersion.Version4); } connection = new NWConnection(endpoint, parameters); connection.SetQueue(DispatchQueue.DefaultGlobalQueue); // important, else we will get blocked connection.SetStateChangeHandler(ConnectionStateHandler); connection.Start(); Assert.True(connectedEvent.WaitOne(20000), "Connection timed out."); } }
public void SetUp() { TestRuntime.AssertXcodeVersion(13, 0); endpoint = NWEndpoint.Create("https://microsoft.com"); }
public void SetUp() { TestRuntime.AssertXcodeVersion(12, TestRuntime.MinorXcode12APIMismatch); endpoint = NWEndpoint.Create("224.0.0.251", "5353"); descriptor = new NWMulticastGroup(endpoint); }
public void TlsDefaults() { using (var ep = NWEndpoint.Create("www.microsoft.com", "https")) using (var parameters = NWParameters.CreateSecureTcp()) using (var queue = new DispatchQueue(GetType().FullName)) { var connection = new NWConnection(ep, parameters); var ready = new ManualResetEvent(false); connection.SetStateChangeHandler((state, error) => { Console.WriteLine(state); switch (state) { case NWConnectionState.Cancelled: case NWConnectionState.Failed: // We can't dispose until the connection has been closed or it failed. connection.Dispose(); break; case NWConnectionState.Invalid: case NWConnectionState.Preparing: case NWConnectionState.Waiting: break; case NWConnectionState.Ready: ready.Set(); break; default: break; } }); connection.SetQueue(queue); connection.Start(); // Wait until the connection is ready. Assert.True(ready.WaitOne(TimeSpan.FromSeconds(10)), "Connection is ready"); using (var m = connection.GetProtocolMetadata(NWProtocolDefinition.TlsDefinition)) { var s = m.TlsSecProtocolMetadata; Assert.False(s.EarlyDataAccepted, "EarlyDataAccepted"); Assert.That(s.NegotiatedCipherSuite, Is.Not.EqualTo(SslCipherSuite.SSL_NULL_WITH_NULL_NULL), "NegotiatedCipherSuite"); Assert.Null(s.NegotiatedProtocol, "NegotiatedProtocol"); Assert.That(s.NegotiatedProtocolVersion, Is.EqualTo(SslProtocol.Tls_1_2).Or.EqualTo(SslProtocol.Tls_1_3), "NegotiatedProtocolVersion"); Assert.NotNull(s.PeerPublicKey, "PeerPublicKey"); Assert.True(SecProtocolMetadata.ChallengeParametersAreEqual(s, s), "ChallengeParametersAreEqual"); Assert.True(SecProtocolMetadata.PeersAreEqual(s, s), "PeersAreEqual"); if (TestRuntime.CheckXcodeVersion(11, 0)) { using (var d = s.CreateSecret("Xamarin", 128)) { Assert.That(d.Size, Is.EqualTo((nuint)128), "CreateSecret-1"); } using (var d = s.CreateSecret("Microsoft", new byte [1], 256)) { Assert.That(d.Size, Is.EqualTo((nuint)256), "CreateSecret-2"); } Assert.That(s.NegotiatedTlsProtocolVersion, Is.EqualTo(TlsProtocolVersion.Tls12).Or.EqualTo(TlsProtocolVersion.Tls13), "NegotiatedTlsProtocolVersion"); // we want to test the binding/API - not the exact value which can vary depending on the negotiation between the client (OS) and server... Assert.That(s.NegotiatedTlsCipherSuite, Is.Not.EqualTo(0), "NegotiatedTlsCipherSuite"); Assert.That(s.ServerName, Is.EqualTo("www.microsoft.com"), "ServerName"); // we don't have a TLS-PSK enabled server to test this Assert.False(s.AccessPreSharedKeys((psk, pskId) => { }), "AccessPreSharedKeys"); } } connection.Cancel(); } }
public virtual NWTcpConnection CreateTcpConnection(NWEndpoint remoteEndpoint, bool enableTls, NWTlsParameters tlsParameters, NWTcpConnectionAuthenticationDelegate @delegate) { return(CreateTcpConnection(remoteEndpoint, enableTls, tlsParameters, (INWTcpConnectionAuthenticationDelegate)@delegate)); }
protected INativeObject GetINativeInstance(Type t) { var ctor = t.GetConstructor(Type.EmptyTypes); if ((ctor != null) && !ctor.IsAbstract) { return(ctor.Invoke(null) as INativeObject); } if (!NativeObjectInterfaceType.IsAssignableFrom(t)) { throw new ArgumentException("t"); } switch (t.Name) { case "CFAllocator": return(CFAllocator.SystemDefault); case "CFBundle": var bundles = CFBundle.GetAll(); if (bundles.Length > 0) { return(bundles [0]); } else { throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name)); } case "CFNotificationCenter": return(CFNotificationCenter.Darwin); case "CFReadStream": case "CFStream": CFReadStream readStream; CFWriteStream writeStream; CFStream.CreatePairWithSocketToHost("www.google.com", 80, out readStream, out writeStream); return(readStream); case "CFWriteStream": CFStream.CreatePairWithSocketToHost("www.google.com", 80, out readStream, out writeStream); return(writeStream); case "CFUrl": return(CFUrl.FromFile("/etc")); case "CFPropertyList": return(CFPropertyList.FromData(NSData.FromString("<string>data</string>")).PropertyList); case "DispatchData": return(DispatchData.FromByteBuffer(new byte [] { 1, 2, 3, 4 })); case "AudioFile": var path = Path.GetFullPath("1.caf"); var af = AudioFile.Open(CFUrl.FromFile(path), AudioFilePermission.Read, AudioFileType.CAF); return(af); case "CFHTTPMessage": return(CFHTTPMessage.CreateEmpty(false)); case "CFMutableString": return(new CFMutableString("xamarin")); case "CGBitmapContext": byte[] data = new byte [400]; using (CGColorSpace space = CGColorSpace.CreateDeviceRGB()) { return(new CGBitmapContext(data, 10, 10, 8, 40, space, CGBitmapFlags.PremultipliedLast)); } case "CGContextPDF": var filename = Environment.GetFolderPath(Environment.SpecialFolder.CommonDocuments) + "/t.pdf"; using (var url = new NSUrl(filename)) return(new CGContextPDF(url)); case "CGColorConversionInfo": var cci = new GColorConversionInfoTriple() { Space = CGColorSpace.CreateGenericRgb(), Intent = CGColorRenderingIntent.Default, Transform = CGColorConversionInfoTransformType.ApplySpace }; return(new CGColorConversionInfo((NSDictionary)null, cci, cci, cci)); case "CGDataConsumer": using (NSMutableData destData = new NSMutableData()) { return(new CGDataConsumer(destData)); } case "CGDataProvider": filename = "xamarin1.png"; return(new CGDataProvider(filename)); case "CGFont": return(CGFont.CreateWithFontName("Courier New")); case "CGPattern": return(new CGPattern( new RectangleF(0, 0, 16, 16), CGAffineTransform.MakeIdentity(), 16, 16, CGPatternTiling.NoDistortion, true, (cgc) => {})); case "CMBufferQueue": return(CMBufferQueue.CreateUnsorted(2)); case "CTFont": CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes() { FamilyName = "Courier", StyleName = "Bold", Size = 16.0f }; using (var fd = new CTFontDescriptor(fda)) return(new CTFont(fd, 10)); case "CTFontCollection": return(new CTFontCollection(new CTFontCollectionOptions())); case "CTFontDescriptor": fda = new CTFontDescriptorAttributes(); return(new CTFontDescriptor(fda)); case "CTTextTab": return(new CTTextTab(CTTextAlignment.Left, 2)); case "CTTypesetter": return(new CTTypesetter(new NSAttributedString("Hello, world", new CTStringAttributes() { ForegroundColorFromContext = true, Font = new CTFont("ArialMT", 24) }))); case "CTFrame": var framesetter = new CTFramesetter(new NSAttributedString("Hello, world", new CTStringAttributes() { ForegroundColorFromContext = true, Font = new CTFont("ArialMT", 24) })); var bPath = UIBezierPath.FromRect(new RectangleF(0, 0, 3, 3)); return(framesetter.GetFrame(new NSRange(0, 0), bPath.CGPath, null)); case "CTFramesetter": return(new CTFramesetter(new NSAttributedString("Hello, world", new CTStringAttributes() { ForegroundColorFromContext = true, Font = new CTFont("ArialMT", 24) }))); case "CTGlyphInfo": return(new CTGlyphInfo("Zapfino", new CTFont("ArialMT", 24), "Foo")); case "CTLine": return(new CTLine(new NSAttributedString("Hello, world", new CTStringAttributes() { ForegroundColorFromContext = true, Font = new CTFont("ArialMT", 24) }))); case "CGImageDestination": var storage = new NSMutableData(); return(CGImageDestination.Create(new CGDataConsumer(storage), "public.png", 1)); case "CGImageMetadataTag": using (NSString name = new NSString("tagName")) using (var value = new NSString("value")) return(new CGImageMetadataTag(CGImageMetadataTagNamespaces.Exif, CGImageMetadataTagPrefixes.Exif, name, CGImageMetadataType.Default, value)); case "CGImageSource": filename = "xamarin1.png"; return(CGImageSource.FromUrl(NSUrl.FromFilename(filename))); case "SecPolicy": return(SecPolicy.CreateSslPolicy(false, null)); case "SecIdentity": using (var options = NSDictionary.FromObjectAndKey(new NSString("farscape"), SecImportExport.Passphrase)) { NSDictionary[] array; var result = SecImportExport.ImportPkcs12(farscape_pfx, options, out array); if (result != SecStatusCode.Success) { throw new InvalidOperationException(string.Format("Could not create the new instance for type {0} due to {1}.", t.Name, result)); } return(new SecIdentity(array [0].LowlevelObjectForKey(SecImportExport.Identity.Handle))); } case "SecTrust": X509Certificate x = new X509Certificate(mail_google_com); using (var policy = SecPolicy.CreateSslPolicy(true, "mail.google.com")) return(new SecTrust(x, policy)); case "SslContext": return(new SslContext(SslProtocolSide.Client, SslConnectionType.Stream)); case "UIFontFeature": return(new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers)); case "NetworkReachability": return(new NetworkReachability(IPAddress.Loopback, null)); case "VTCompressionSession": case "VTSession": return(VTCompressionSession.Create(1024, 768, CMVideoCodecType.H264, (sourceFrame, status, flags, buffer) => { }, null, (CVPixelBufferAttributes)null)); case "VTFrameSilo": return(VTFrameSilo.Create()); case "VTMultiPassStorage": return(VTMultiPassStorage.Create()); case "CFString": return(new CFString("test")); case "DispatchBlock": return(new DispatchBlock(() => { })); case "DispatchQueue": return(new DispatchQueue("com.example.subsystem.taskXYZ")); case "DispatchGroup": return(DispatchGroup.Create()); case "CGColorSpace": return(CGColorSpace.CreateDeviceCmyk()); case "CGGradient": CGColor[] cArray = { UIColor.Black.CGColor, UIColor.Clear.CGColor, UIColor.Blue.CGColor }; return(new CGGradient(null, cArray)); case "CGImage": filename = "xamarin1.png"; using (var dp = new CGDataProvider(filename)) return(CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default)); case "CGColor": return(UIColor.Black.CGColor); case "CMClock": CMClockError ce; CMClock clock = CMClock.CreateAudioClock(out ce); if (ce == CMClockError.None) { return(clock); } throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name)); case "CMTimebase": clock = CMClock.CreateAudioClock(out ce); if (ce == CMClockError.None) { return(new CMTimebase(clock)); } throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name)); case "CVPixelBufferPool": return(new CVPixelBufferPool( new CVPixelBufferPoolSettings(), new CVPixelBufferAttributes(CVPixelFormatType.CV24RGB, 100, 50) )); case "NWAdvertiseDescriptor": return(NWAdvertiseDescriptor.CreateBonjourService("sampleName" + DateTime.Now, "_nfs._tcp")); case "NWConnection": { var endpoint = NWEndpoint.Create("www.microsoft.com", "https"); var parameters = NWParameters.CreateTcp(configureTcp: null); return(new NWConnection(endpoint, parameters)); } case "NWContentContext": return(new NWContentContext("contentContext" + DateTime.Now)); case "NWEndpoint": return(NWEndpoint.Create("www.microsoft.com", "https")); case "NWListener": return(NWListener.Create(NWParameters.CreateTcp(configureTcp: null))); case "NWParameters": return(NWParameters.CreateTcp(configureTcp: null)); case "NWProtocolDefinition": // Makes a new instance every time return(NWProtocolDefinition.TcpDefinition); case "NWProtocolOptions": return(NWProtocolOptions.CreateTcp()); case "SecCertificate": using (var cdata = NSData.FromArray(mail_google_com)) return(new SecCertificate(cdata)); case "SecCertificate2": using (var cdata = NSData.FromArray(mail_google_com)) return(new SecCertificate2(new SecCertificate(cdata))); case "SecTrust2": X509Certificate x2 = new X509Certificate(mail_google_com); using (var policy = SecPolicy.CreateSslPolicy(true, "mail.google.com")) return(new SecTrust2(new SecTrust(x2, policy))); case "SecIdentity2": using (var options = NSDictionary.FromObjectAndKey(new NSString("farscape"), SecImportExport.Passphrase)) { NSDictionary[] array; var result = SecImportExport.ImportPkcs12(farscape_pfx, options, out array); if (result != SecStatusCode.Success) { throw new InvalidOperationException(string.Format("Could not create the new instance for type {0} due to {1}.", t.Name, result)); } return(new SecIdentity2(new SecIdentity(array [0].LowlevelObjectForKey(SecImportExport.Identity.Handle)))); } case "SecKey": SecKey private_key; SecKey public_key; using (var record = new SecRecord(SecKind.Key)) { record.KeyType = SecKeyType.RSA; record.KeySizeInBits = 512; // it's not a performance test :) SecKey.GenerateKeyPair(record.ToDictionary(), out public_key, out private_key); return(private_key); } case "SecAccessControl": return(new SecAccessControl(SecAccessible.WhenPasscodeSetThisDeviceOnly)); default: throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name)); } }
static NWListener CreateAndStartListener(string host, string port) { Action <NWProtocolOptions> configureTls = SetupTls(); NWParameters parameters; // Create the parameters, either TLS or no TLS, and with UDP or no UDP if (useUdp) { if (useTls) { parameters = NWParameters.CreateSecureUdp(configureTls: configureTls, configureUdp: null); } else { parameters = NWParameters.CreateUdp(configureUdp: null); } } else { if (useTls) { parameters = NWParameters.CreateSecureTcp(configureTls: configureTls, configureTcp: null); } else { parameters = NWParameters.CreateTcp(configureTcp: null); } } // If specified, set the IP version using (NWProtocolStack protocolStack = parameters.ProtocolStack){ if (ipv4 || ipv6) { NWProtocolOptions ipOptions = protocolStack.InternetProtocol; ipOptions.IPSetVersion(ipv4 ? NWIPVersion.Version4 : NWIPVersion.Version6); } } // Bind to local address and port string address = bonjour ? null : host; if (address != null || port != null) { NWEndpoint localEndpoint = NWEndpoint.Create(address != null ? address : "::", port != null ? port : "0"); Console.WriteLine("Getting {0} and {1}", address != null ? address : "::", port != null ? port : "0"); parameters.LocalEndpoint = localEndpoint; Console.WriteLine("With port: " + localEndpoint.Port); } var listener = NWListener.Create(parameters); if (bonjour && host != null) { listener.SetAdvertiseDescriptor(NWAdvertiseDescriptor.CreateBonjourService(host, GetServiceType(), "local")); listener.SetAdvertisedEndpointChangedHandler((NWEndpoint advertisedEndpoint, bool added) => { if (verbose) { var astr = added ? "added" : "removed"; warn($"Listener {astr} on {advertisedEndpoint.BonjourServiceName} on ({advertisedEndpoint.BonjourServiceName}.{GetServiceType()}.local"); } }); } listener.SetQueue(DispatchQueue.MainQueue); listener.SetStateChangedHandler((listenerState, error) => { var errno = (SslStatus)(error == null ? 0 : error.ErrorCode); switch (listenerState) { case NWListenerState.Waiting: if (verbose) { warn($"Listener on port {listener.Port} udp={useUdp} waiting"); } break; case NWListenerState.Failed: warn($"Listener on port {listener.Port} udp={useUdp} failed"); break; case NWListenerState.Ready: if (verbose) { warn($"Listener on port {listener.Port} udp={useUdp} ready"); } break; case NWListenerState.Cancelled: listener = null; break; } }); listener.SetNewConnectionHandler((connection) => { if (inboundConnection != null) { // We only support one connection at a time, so if we already // have one, reject the incoming connection. connection.Cancel(); } else { if (verbose) { warn($"New Connection on {connection.Handle} with {connection.Endpoint}"); } // Accept the incoming connection and start sending and receiving on it inboundConnection = connection; StartConnection(inboundConnection); StartSendReceiveLoop(inboundConnection); } }); listener.Start(); return(listener); }