protected override void DoWork()
{
using (ITracer activity = this.tracer.StartActivity("ReadFiles", EventLevel.Informational))
{
int readFilesCurrentThread = 0;
int failedFilesCurrentThread = 0;
byte[] buffer = new byte[1];
string blobId;
while (this.availableBlobs.TryTake(out blobId, Timeout.Infinite))
{
foreach (string path in this.blobIdToPaths[blobId])
{
bool succeeded = false;
using (SafeFileHandle handle = NativeFileReader.Open(path))
{
if (!handle.IsInvalid)
{
succeeded = NativeFileReader.ReadOneByte(handle, buffer);
}
}
if (succeeded)
{
Interlocked.Increment(ref this.readFileCount);
readFilesCurrentThread++;
}
else
{
activity.RelatedError("Failed to read " + path);
failedFilesCurrentThread++;
this.HasFailures = true;
}
}
}
activity.Stop(
new EventMetadata
{
{ "FilesRead", readFilesCurrentThread },
{ "Failures", failedFilesCurrentThread },
});
}
}
public override bool HydrateFile(string fileName, byte[] buffer)
{
return(NativeFileReader.TryReadFirstByteOfFile(fileName, buffer));
}
