private void BackgroundProcessing(CancellationToken stoppingToken)
{
_logger.Log(LogLevel.Information, "Disk Space Reclaimer Hosted Service is running.");
while (!stoppingToken.IsCancellationRequested)
{
_logger.Log(LogLevel.Debug, "Waiting for instance...");
var filePath = _taskQueue.Dequeue(stoppingToken);
if (filePath == null)
{
continue; // likely canceled
}
Policy.Handle <Exception>()
.WaitAndRetry(
3,
retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)),
(exception, retryCount, context) =>
{
_logger.Log(LogLevel.Error, exception, $"Error occurred deleting file {filePath} on {retryCount} retry.");
})
.Execute(() =>
{
_logger.Log(LogLevel.Debug, "Deleting file {0}", filePath);
if (_fileSystem.File.Exists(filePath))
{
_fileSystem.File.Delete(filePath);
_logger.Log(LogLevel.Debug, "File deleted {0}", filePath);
}
});
}
_logger.Log(LogLevel.Information, "Cancellation requested.");
}
private void BackgroundProcessing(CancellationToken stoppingToken)
{
_logger.Log(LogLevel.Information, "Disk Space Reclaimer Hosted Service is running.");
while (!stoppingToken.IsCancellationRequested)
{
_logger.Log(LogLevel.Debug, "Waiting for instance...");
var workItem = _taskQueue.Dequeue(stoppingToken);
if (workItem == null)
{
continue; // likely cancelled
}
try
{
_logger.Log(LogLevel.Debug, "Deleting file {0}", workItem.InstanceStorageFullPath);
if (_fileSystem.File.Exists(workItem.InstanceStorageFullPath))
{
_fileSystem.File.Delete(workItem.InstanceStorageFullPath);
_logger.Log(LogLevel.Debug, "File deleted {0}", workItem.InstanceStorageFullPath);
}
}
catch (Exception ex)
{
_logger.Log(LogLevel.Error, ex, $"Error occurred deleting file {workItem.InstanceStorageFullPath}.");
}
}
_logger.Log(LogLevel.Information, "Cancellation requested.");
}