Changeset 2622

Timestamp:

5/11/2012 2:51:36 AM (13 months ago)

Author:

lowjoel

Message:

Handle a FileNotFound? exception in the middle of querying performance information since a disk may be ejected in the middle of the loop.

File:

• trunk/eraser/Eraser.DefaultPlugins/EntropySources/KernelEntropySource.cs (modified) (1 diff)

trunk/eraser/Eraser.DefaultPlugins/EntropySources/KernelEntropySource.cs

@@ -178 +178 @@
             foreach (VolumeInfo info in VolumeInfo.Volumes)
             {
-                DiskPerformanceInfo performance = info.Performance;
-                if (performance == null)
-                    continue;
-
-                result.AddRange(StructToBuffer(performance.BytesRead));
-                result.AddRange(StructToBuffer(performance.BytesWritten));
-                result.AddRange(StructToBuffer(performance.IdleTime));
-                result.AddRange(StructToBuffer(performance.QueryTime));
-                result.AddRange(StructToBuffer(performance.QueueDepth));
-                result.AddRange(StructToBuffer(performance.ReadCount));
-                result.AddRange(StructToBuffer(performance.ReadTime));
-                result.AddRange(StructToBuffer(performance.SplitCount));
-                result.AddRange(StructToBuffer(performance.WriteCount));
-                result.AddRange(StructToBuffer(performance.WriteTime));
+                try
+                {
+                    DiskPerformanceInfo performance = info.Performance;
+                    if (performance == null)
+                        continue;
+
+                    result.AddRange(StructToBuffer(performance.BytesRead));
+                    result.AddRange(StructToBuffer(performance.BytesWritten));
+                    result.AddRange(StructToBuffer(performance.IdleTime));
+                    result.AddRange(StructToBuffer(performance.QueryTime));
+                    result.AddRange(StructToBuffer(performance.QueueDepth));
+                    result.AddRange(StructToBuffer(performance.ReadCount));
+                    result.AddRange(StructToBuffer(performance.ReadTime));
+                    result.AddRange(StructToBuffer(performance.SplitCount));
+                    result.AddRange(StructToBuffer(performance.WriteCount));
+                    result.AddRange(StructToBuffer(performance.WriteTime));
+                }
+                catch (FileNotFoundException)
+                {
+                    //This happens if a drive is ejected while the loop is running.
+                }
             }