Add direction parameter to IS101Logger.LogException

This will allow us to log whether the exception originated with the provider or the consumer.

References #1

Lawo.EmberPlus/S101/IS101Logger.cs

@@ -53,6 +53,6 @@ public interface IS101Logger : IDisposable
         /// <summary>Logs <paramref name="exception"/>.</summary>
         /// <exception cref="ArgumentNullException"><paramref name="exception"/> equals <c>null</c>.</exception>
         /// <exception cref="ObjectDisposedException"><see cref="IDisposable.Dispose"/> has been called.</exception>
-        EventInfo LogException(Exception exception);
+        EventInfo LogException(string direction, Exception exception);
     }
 }

Lawo.EmberPlus/S101/S101Client.cs

@@ -325,7 +325,7 @@ private async void ReadLoop(IDisposable connection, S101Reader reader)
                 }
                 else
                 {
-                    logAction = () => this.logger.LogException(exception);
+                    logAction = () => this.logger.LogException(LogNames.Receive, exception);
                 }
 
                 // We're deliberately not awaiting this task, so that the Dispose call will be enqueued even if this

Lawo.EmberPlus/S101/S101Logger.cs

@@ -115,14 +115,15 @@ public EventInfo LogMessage(string direction, S101Message message, byte[] payloa
         }
 
         /// <inheritdoc/>
-        public EventInfo LogException(Exception exception)
+        public EventInfo LogException(string direction, Exception exception)
         {
             if (exception == null)
             {
                 throw new ArgumentNullException("exception");
             }
 
             var info = new EventInfo(this.WriteStartEvent(LogNames.Exception));
+            this.xmlLogWriter.WriteAttributeString(LogNames.Direction, direction);
             this.xmlLogWriter.WriteString(exception.ToString());
             this.WriteEndEvent();
             return info;

Lawo.EmberPlusTest/S101/S101LoggerTest.cs

@@ -36,7 +36,7 @@ public void MainTest()
                         () => logger.LogData("Whatever", "Send", null, 0, 0),
                         () => logger.LogMessage(null, new S101Message(0x00, new KeepAliveRequest()), null),
                         () => logger.LogMessage("Send", null, null),
-                        () => logger.LogException(null));
+                        () => logger.LogException("Send", null));
                 }
             }
         }

Lawo.GlowAnalyzerProxy.Main/MainWindowViewModel.cs

@@ -377,7 +377,7 @@ private async Task ForwardLoop(TcpListener listener)
                     if (exception != null)
                     {
                         await EnqueueLogOperationAsync(
-                            logInfo, "Exception", null, null, i => i.Logger.LogException(exception));
+                            logInfo, "Exception", null, null, i => i.Logger.LogException(null, exception));
                     }
 
                     await EnqueueLogOperationAsync(logInfo, null, null, null, i => { i.Dispose(); return new EventInfo(); });