Fix for systems without file locking

ShokoAnime · Jul 28, 2018 · b93bde2 · b93bde2
1 parent e3cd600
commit b93bde2
Showing 1 changed file with 28 additions and 0 deletions.
diff --git a/Shoko.Server/Commands/Import/CommandRequest_HashFile.cs b/Shoko.Server/Commands/Import/CommandRequest_HashFile.cs
@@ -88,6 +88,27 @@ private long CanAccessFile(string fileName)
             }
         }
 
+        //Used to check if file has been modified within the last X seconds.
+        private bool FileModified(string FileName, int Seconds)
+        {
+            try
+            {
+                if (System.IO.File.GetLastWriteTime(FileName).AddSeconds(Seconds) >= DateTime.Now)
+                {
+                    return true;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+            catch (Exception ex)
+            {
+                logger.Error(ex);
+                return false;
+            }
+        }
+
         private void ProcessFile_LocalInfo()
         {
             // hash and read media info for file
@@ -133,6 +154,13 @@ private void ProcessFile_LocalInfo()
                     logger.Error("Could not access file: " + FileName);
                     return;
                 }
+
+                //For systems with no locking
+                while (FileModified(FileName, 3))
+                {
+                    Thread.Sleep(1000);
+                    logger.Error($@"An external process is modifying the file, {FileName}");
+                }
             }