diff --git a/samples/src/files-volume/Program.cs b/samples/src/files-volume/Program.cs index 41db850..8587a13 100644 --- a/samples/src/files-volume/Program.cs +++ b/samples/src/files-volume/Program.cs @@ -27,17 +27,38 @@ namespace AzureFilesVolumeTestApp Directory.CreateDirectory(dataFolderFullPath); var dataFileFullPath = Path.Combine(dataFolderFullPath, DataFileName); + var sequenceNumber = 0; + string fileContent = ""; + try + { + if (File.Exists(dataFileFullPath)) + { + // The content may be empty or non-number, catch the exception to avoid crash + fileContent = File.ReadAllText(dataFileFullPath); + sequenceNumber = Int32.Parse(fileContent); + } + } + catch (Exception e) + { + Console.WriteLine($"Exception {e.ToString()}"); + Console.WriteLine($"Invalid file content {fileContent}"); + } - var sequenceNumber = File.Exists(dataFileFullPath) ? Int32.Parse(File.ReadAllText(dataFileFullPath)) : 0; for(;;) { sequenceNumber++; - - using (var file = new FileStream(dataFileFullPath, FileMode.OpenOrCreate, FileAccess.Write)) + try { - var bytes = Encoding.ASCII.GetBytes(sequenceNumber.ToString()); - file.Write(bytes, 0, bytes.Length); - file.Flush(); + using (var file = new FileStream(dataFileFullPath, FileMode.OpenOrCreate, FileAccess.Write)) + { + var bytes = Encoding.ASCII.GetBytes(sequenceNumber.ToString()); + file.Write(bytes, 0, bytes.Length); + file.Flush(); + } + } + catch (Exception e) + { + Console.WriteLine($"Exception {e.ToString()}"); } Thread.Sleep(PauseBetweenUpdatesMillisec);