Refactor shared library. Extend error messages

2026-10-21 04:03:05 +08:00 · 2017-10-30 19:44:24 +01:00
parent 5427b488c3
commit 83821453a0
17 changed files with 53 additions and 37 deletions
@@ -0,0 +1,76 @@
+#if WINDOWS_UWP
+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 _communicationAdapterFactory;
+        private StreamSocketListener _defaultEndpointSocket;
+
+        public MqttServerAdapter(ILogger<MqttServerAdapter> logger, IMqttCommunicationAdapterFactory communicationAdapterFactory)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+            _communicationAdapterFactory = communicationAdapterFactory ?? throw new ArgumentNullException(nameof(communicationAdapterFactory));
+        }
+
+        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();
+                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()
+        {
+            if (_defaultEndpointSocket != null)
+            {
+                _defaultEndpointSocket.ConnectionReceived -= AcceptDefaultEndpointConnectionsAsync;
+            }
+
+            _defaultEndpointSocket?.Dispose();
+            _defaultEndpointSocket = null;
+
+            return Task.FromResult(0);
+        }
+
+        public void Dispose()
+        {
+            StopAsync();
+        }
+
+        private void AcceptDefaultEndpointConnectionsAsync(StreamSocketListener sender, StreamSocketListenerConnectionReceivedEventArgs args)
+        {
+            try
+            {
+                var clientAdapter = _communicationAdapterFactory.CreateServerCommunicationAdapter(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