fix: direct server clients now have unique client IDs

Using the generated security token as an ID was presenting problems with duplicate connections using the same ID and trying to figure out where to send the messages. Now, the clients have a unique ID that's an increasing integer that restarts at 1 when the program restarts.

src/PepperDash.Essentials.MobileControl/MessageToClients.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Threading;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using PepperDash.Core;
+using PepperDash.Core.Logging;
+using PepperDash.Essentials.AppServer.Messengers;
+using PepperDash.Essentials.Core.Queues;
+using PepperDash.Essentials.WebSocketServer;
+using Serilog.Events;
+
+namespace PepperDash.Essentials
+{
+  /// <summary>
+  /// Represents a MessageToClients
+  /// </summary>
+  public class MessageToClients : IQueueMessage
+  {
+    private readonly MobileControlWebsocketServer _server;
+    private readonly object msgToSend;
+
+    /// <summary>
+    /// Message to send to Direct Server Clients
+    /// </summary>
+    /// <param name="msg">message object to send</param>
+    /// <param name="server">WebSocket server instance</param>
+    public MessageToClients(object msg, MobileControlWebsocketServer server)
+    {
+      _server = server;
+      msgToSend = msg;
+    }
+
+    /// <summary>
+    /// Message to send to Direct Server Clients
+    /// </summary>
+    /// <param name="msg">message object to send</param>
+    /// <param name="server">WebSocket server instance</param>
+    public MessageToClients(DeviceStateMessageBase msg, MobileControlWebsocketServer server)
+    {
+      _server = server;
+      msgToSend = msg;
+    }
+
+    #region Implementation of IQueueMessage
+
+    /// <summary>
+    /// Dispatch method
+    /// </summary>
+    public void Dispatch()
+    {
+      try
+      {
+        if (_server == null)
+        {
+          Debug.LogMessage(LogEventLevel.Warning, "Cannot send message. Server is null");
+          return;
+        }
+
+        var message = JsonConvert.SerializeObject(msgToSend, Formatting.None,
+        new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore, Converters = { new IsoDateTimeConverter() } });
+
+        var clientSpecificMessage = msgToSend as MobileControlMessage;
+        if (clientSpecificMessage.ClientId != null)
+        {
+          var clientId = clientSpecificMessage.ClientId;
+
+          _server.LogVerbose("Message TX To client {clientId}: {message}", clientId, message);
+
+          _server.SendMessageToClient(clientId, message);
+
+          return;
+        }
+
+        _server.SendMessageToAllClients(message);
+
+        _server.LogVerbose("Message TX To all clients: {message}", message);
+      }
+      catch (ThreadAbortException)
+      {
+        //Swallowing this exception, as it occurs on shutdown and there's no need to print out a scary stack trace
+      }
+      catch (Exception ex)
+      {
+        Debug.LogMessage(ex, "Caught an exception in the Transmit Processor");
+      }
+    }
+    #endregion
+  }
+
+}