Merge pull request #71 from deepakverma/master

Cannot access a disposed object when auth fails Issue #50 and connection fails to reconnect with retry when cache is under load #65

StackExchange.Redis/StackExchange/Redis/ConnectionMultiplexer.cs

@@ -1060,7 +1060,8 @@ public void GetStatus(TextWriter log)
         internal async Task<bool> ReconfigureAsync(bool first, bool reconfigureAll, TextWriter log, EndPoint blame, string cause)
         {
             if (isDisposed) throw new ObjectDisposedException(ToString());
-
+            //if connection failed treat it as first to honor retry logic.
+            first = cause.CompareTo("connection failed") == 0 ? true : first;
             bool showStats = true;
             if (log == null)
             {
@@ -1119,7 +1120,6 @@ internal async Task<bool> ReconfigureAsync(bool first, bool reconfigureAll, Text
                         }
                     }
                 }
-
                 int attemptsLeft = first ? configuration.ConnectRetry : 1;
 
                 bool healthy = false;

StackExchange.Redis/StackExchange/Redis/PhysicalConnection.cs

@@ -523,6 +523,8 @@ static void WriteUnified(Stream stream, long value)
         void BeginReading()
         {
             bool keepReading;
+            try
+            {
                 do
                 {
                     keepReading = false;
@@ -536,6 +538,11 @@ void BeginReading()
                     }
                 } while (keepReading);
             }
+            catch(System.IO.IOException ex)
+            {
+                multiplexer.Trace("Could not connect: " + ex.Message, physicalName);
+            }
+        }
         int haveReader;
 
         internal int GetAvailableInboundBytes(out int activeReaders)