Minor updates to SseClient class

Pepperdash Core/Pepperdash Core/Comm/GenericHttpSseClient.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Text;
 using Crestron.SimplSharp;
 using Crestron.SimplSharp.CrestronIO;
+using Crestron.SimplSharp.Net;
 using Crestron.SimplSharp.Net.Http;
 
 namespace PepperDash.Core
@@ -35,6 +36,8 @@ namespace PepperDash.Core
 
         HttpClient Client;
         HttpClientRequest Request;
+        Connection SseConnection;
+        
 
         public GenericHttpSseClient(string key, string name)
         {
@@ -75,23 +78,38 @@ namespace PepperDash.Core
                     // In order to get a handle on the response stream, we have to get
                     // the request stream first.  Boo
                     Client.BeginGetRequestStream(GetRequestStreamCallback, Request, null);
-                    CrestronConsole.PrintLine("Request made!");
+                    //CrestronConsole.PrintLine("Request made!");
                 }
                 catch (Exception e)
                 {
-                    ErrorLog.Notice("Exception occured in AsyncWebPostHttps(): " + e.ToString());
+                    ErrorLog.Notice("Exception occured in InitiateConnection(): " + e);
                 }
             });
         }
 
         public void CloseConnection(string s)
         {
-            if (Client != null)
+            try
             {
-                Client.Abort();
-                IsConnected = false;
+                if (Client != null)
+                {
+                    if (SseConnection != null)
+                    {
+                        // Gracefully dispose of any in use resources??
 
-                Debug.Console(1, this, "Client Disconnected");
+                        SseConnection.Disconnect();
+                        SseConnection.Close(true);
+
+                        Client.Abort();
+                    }
+                    IsConnected = false;
+
+                    Debug.Console(1, this, "Client Disconnected");
+                }
+            }
+            catch (Exception e)
+            {
+                Debug.Console(1, this, "Error Closing SSE Connection: {0}", e);
             }
         }
 
@@ -130,14 +148,10 @@ namespace PepperDash.Core
                 // This closes up the GetResponseStream async
                 var response = request.ThisClient.EndGetResponseStream(request);
 
-                response.DataConnection.OnBytesReceived += new EventHandler(DataConnection_OnBytesReceived);
-
-                IsConnected = true;
+                SseConnection = response.DataConnection;                
 
                 Debug.Console(1, this, "Client Disconnected");
 
-#warning Need to explore using a heartbeat to verify connection to the server
-
                 Stream streamResponse = response.ContentStream;
                 // Object containing various states to be passed back to async callback below
                 RequestState asyncState = new RequestState();
@@ -163,11 +177,6 @@ namespace PepperDash.Core
             }
         }
 
-        void DataConnection_OnBytesReceived(object sender, EventArgs e)
-        {
-            Debug.Console(1, this, "DataConnection OnBytesReceived Fired");
-        }
-
         /// <summary>
         /// 
         /// </summary>
@@ -205,13 +214,20 @@ namespace PepperDash.Core
                     return;
                 }
 
-                Crestron.SimplSharp.CrestronIO.IAsyncResult asynchronousResult;
-                do
+                try
                 {
-                    asynchronousResult = responseStream.BeginRead(requestState.BufferRead, 0, RequestState.BUFFER_SIZE, 
-                        new Crestron.SimplSharp.CrestronIO.AsyncCallback(ReadCallBack), requestState);
+                    Crestron.SimplSharp.CrestronIO.IAsyncResult asynchronousResult;
+                    do
+                    {
+                            asynchronousResult = responseStream.BeginRead(requestState.BufferRead, 0, RequestState.BUFFER_SIZE,
+                                new Crestron.SimplSharp.CrestronIO.AsyncCallback(ReadCallBack), requestState);                      
+                    }
+                    while (asynchronousResult.CompletedSynchronously && !requestState.Done);
+                }
+                catch (Exception e)
+                {
+                    Debug.Console(1, this, "Exception: {0}", e);
                 }
-                while (asynchronousResult.CompletedSynchronously && !requestState.Done);
             }
             else
             {