Add Send & Broadcast methods to Websocket handling logic

Nibriboard/Client/NibriClient.cs

@@ -1,6 +1,9 @@
 using System;
-using IotWeb.Common.Http;
 using System.Threading.Tasks;
+using System.Text;
+
+using IotWeb.Common.Http;
+
 namespace Nibriboard.Client
 {
 	public class NibriClient
@@ -30,6 +33,11 @@ namespace Nibriboard.Client
 			
 		}
 
+		public void Send(string message)
+		{
+			client.Send(Encoding.UTF8.GetBytes(message));
+		}
+
 		private async Task onMessage(string frame)
 		{
 

Nibriboard/Client/NibriClientManager.cs

@@ -8,9 +8,17 @@ namespace Nibriboard.Client
 {
 	public class NibriClientManager : IWebSocketRequestHandler
 	{
-		ClientSettings clientSettings;
+		private ClientSettings clientSettings;
+		private List<NibriClient> clients = new List<NibriClient>();
 
-		List<NibriClient> clients = new List<NibriClient>();
+		/// <summary>
+		/// The number of clients currently connected to this Nibriboard.
+		/// </summary>
+		public int ClientCount {
+			get {
+				return clients.Count;
+			}
+		}
 
 		public NibriClientManager(ClientSettings inClientSettings)
 		{
@@ -39,5 +47,17 @@ namespace Nibriboard.Client
 			NibriClient client = new NibriClient(this, newSocket);
 			clients.Add(client);
 		}
+
+		public void Broadcast(NibriClient sendingClient, string message)
+		{
+			foreach(NibriClient client in clients)
+			{
+				// Don't send the message to the sender
+				if (client == sendingClient)
+					continue;
+				
+				client.Send(message);
+			}
+		}
 	}
 }