migrate uwp platform to netstandard project

2026-10-19 19:13:11 +08:00 · 2017-10-28 16:40:10 +02:00
parent 275d8d9f0b
commit 8025717658
15 changed files with 54 additions and 626 deletions
@@ -0,0 +1,75 @@
+#if NET451 || NETSTANDARD1_3
+#else
+using System;
+using System.Threading.Tasks;
+using MQTTnet.Core.Adapter;
+using MQTTnet.Core.Server;
+using Windows.Networking.Sockets;
+using Microsoft.Extensions.Logging;
+
+namespace MQTTnet.Implementations
+{
+    public class MqttServerAdapter : IMqttServerAdapter, IDisposable
+    {
+        private readonly ILogger<MqttServerAdapter> _logger;
+        private readonly IMqttCommunicationAdapterFactory _mqttCommunicationAdapterFactory;
+        private StreamSocketListener _defaultEndpointSocket;
+
+        public MqttServerAdapter(ILogger<MqttServerAdapter> logger, IMqttCommunicationAdapterFactory mqttCommunicationAdapterFactory)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _mqttCommunicationAdapterFactory = mqttCommunicationAdapterFactory ?? throw new ArgumentNullException(nameof(mqttCommunicationAdapterFactory));
+        }
+
+        public event EventHandler<MqttServerAdapterClientAcceptedEventArgs> ClientAccepted;
+
+        public async Task StartAsync(MqttServerOptions options)
+        {
+            if (options == null) throw new ArgumentNullException(nameof(options));
+
+            if (_defaultEndpointSocket != null) throw new InvalidOperationException("Server is already started.");
+            
+            if (options.DefaultEndpointOptions.IsEnabled)
+            {
+                _defaultEndpointSocket = new StreamSocketListener();
+                _defaultEndpointSocket.Control.NoDelay = true;
+                await _defaultEndpointSocket.BindServiceNameAsync(options.GetDefaultEndpointPort().ToString(), SocketProtectionLevel.PlainSocket);
+                _defaultEndpointSocket.ConnectionReceived += AcceptDefaultEndpointConnectionsAsync;
+            }
+
+            if (options.TlsEndpointOptions.IsEnabled)
+            {
+                throw new NotSupportedException("TLS servers are not supported for UWP apps.");
+            }
+        }
+
+        public Task StopAsync()
+        {
+            _defaultEndpointSocket?.Dispose();
+            _defaultEndpointSocket = null;
+
+            return Task.FromResult(0);
+        }
+
+        public void Dispose()
+        {
+            StopAsync();
+        }
+
+        private void AcceptDefaultEndpointConnectionsAsync(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
+        {
+            try
+            {
+                args.Socket.Control.NoDelay = true;
+
+                var clientAdapter = _mqttCommunicationAdapterFactory.CreateServerMqttCommunicationAdapter(new MqttTcpChannel(args.Socket));
+                ClientAccepted?.Invoke(this, new MqttServerAdapterClientAcceptedEventArgs(clientAdapter));
+            }
+            catch (Exception exception)
+            {
+                _logger.LogError(new EventId(), exception, "Error while accepting connection at default endpoint.");
+            }
+        }
+    }
+}
+#endif
@@ -0,0 +1,139 @@
+#if NET451 || NETSTANDARD1_3
+#else
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using System.Threading.Tasks;
+using Windows.Networking;
+using Windows.Networking.Sockets;
+using Windows.Security.Cryptography.Certificates;
+using MQTTnet.Core.Channel;
+using MQTTnet.Core.Client;
+
+namespace MQTTnet.Implementations
+{
+    public sealed class MqttTcpChannel : IMqttCommunicationChannel, IDisposable
+    {
+        private readonly MqttClientTcpOptions _options;
+        private StreamSocket _socket;
+
+        public MqttTcpChannel(MqttClientTcpOptions options)
+        {
+            _options = options ?? throw new ArgumentNullException(nameof(options));
+        }
+
+        public MqttTcpChannel(StreamSocket socket)
+        {
+            _socket = socket ?? throw new ArgumentNullException(nameof(socket));
+
+            CreateStreams();
+        }
+
+        public Stream SendStream { get; private set; }
+        public Stream ReceiveStream { get; private set; }
+        public Stream RawReceiveStream { get; private set; }
+
+        public static Func<MqttClientTcpOptions, IEnumerable<ChainValidationResult>> CustomIgnorableServerCertificateErrorsResolver { get; set; }
+
+        public async Task ConnectAsync()
+        {
+            if (_socket == null)
+            {
+                _socket = new StreamSocket();
+            }
+
+            if (!_options.TlsOptions.UseTls)
+            {
+                await _socket.ConnectAsync(new HostName(_options.Server), _options.GetPort().ToString());
+            }
+            else
+            {
+                _socket.Control.ClientCertificate = LoadCertificate(_options);
+
+                foreach (var ignorableChainValidationResult in ResolveIgnorableServerCertificateErrors())
+                {
+                    _socket.Control.IgnorableServerCertificateErrors.Add(ignorableChainValidationResult);
+                }
+
+                await _socket.ConnectAsync(new HostName(_options.Server), _options.GetPort().ToString(), SocketProtectionLevel.Tls12);
+            }
+
+            CreateStreams();
+        }
+
+        public Task DisconnectAsync()
+        {
+            Dispose();
+            return Task.FromResult(0);
+        }
+
+        public void Dispose()
+        {
+            RawReceiveStream?.Dispose();
+            RawReceiveStream = null;
+
+            SendStream?.Dispose();
+            SendStream = null;
+
+            ReceiveStream?.Dispose();
+            ReceiveStream = null;
+
+            _socket?.Dispose();
+            _socket = null;
+        }
+
+        private void CreateStreams()
+        {
+            SendStream = _socket.OutputStream.AsStreamForWrite();
+            ReceiveStream = _socket.InputStream.AsStreamForRead();
+            RawReceiveStream = ReceiveStream;
+        }
+
+        private static Certificate LoadCertificate(MqttClientTcpOptions options)
+        {
+            if (options.TlsOptions.Certificates == null || !options.TlsOptions.Certificates.Any())
+            {
+                return null;
+            }
+
+            if (options.TlsOptions.Certificates.Count > 1)
+            {
+                throw new NotSupportedException("Only one client certificate is supported for UWP.");
+            }
+
+            return new Certificate(options.TlsOptions.Certificates.First().AsBuffer());
+        }
+
+        private IEnumerable<ChainValidationResult> ResolveIgnorableServerCertificateErrors()
+        {
+            if (CustomIgnorableServerCertificateErrorsResolver != null)
+            {
+                return CustomIgnorableServerCertificateErrorsResolver(_options);
+            }
+
+            var result = new List<ChainValidationResult>();
+
+            if (_options.TlsOptions.IgnoreCertificateRevocationErrors)
+            {
+                result.Add(ChainValidationResult.RevocationInformationMissing);
+                //_socket.Control.IgnorableServerCertificateErrors.Add(ChainValidationResult.Revoked); Not supported.
+                result.Add(ChainValidationResult.RevocationFailure);
+            }
+
+            if (_options.TlsOptions.IgnoreCertificateChainErrors)
+            {
+                result.Add(ChainValidationResult.IncompleteChain);
+            }
+
+            if (_options.TlsOptions.AllowUntrustedCertificates)
+            {
+                result.Add(ChainValidationResult.Untrusted);
+            }
+
+            return result;
+        }
+    }
+}
+#endif