CloudWatchMonitor.MonitorService.AddDriveMetrics C# (CSharp) Метод

        private void AddDriveMetrics(System.IO.DriveInfo drive, List<Amazon.CloudWatch.Model.MetricDatum> metrics)
        {
            string driveName = String.Format("{0}", drive.Name[0]);

            // If we need to filter drives, then only include those
            // explicitly specified.
            if (_includeDrives != null)
            {
                if (!_includeDrives.Contains(driveName))
                {
                    Info("Not including drive: {0}", driveName);
                    return;
                }
            }

            // For the drive,
            // collect the free space values we care about,
            // formulate the request objects,
            // submit to AWS
            Info("Adding metrics for drive: {0}", driveName);

            // Skip drives not ready
            if (!drive.IsReady)
            {
                Info("\tNot ready");
                return;
            }

            var dimensions = new List<Amazon.CloudWatch.Model.Dimension>();
            dimensions.Add(new Amazon.CloudWatch.Model.Dimension()
            {
                Name = "InstanceId",
                Value = _instanceId
            });
            dimensions.Add(new Amazon.CloudWatch.Model.Dimension()
            {
                Name = "Drive",
                Value = driveName
            });

            long spaceAvailable = drive.AvailableFreeSpace;
            long totalSize = drive.TotalSize;
            long spaceUsed = drive.TotalSize - drive.AvailableFreeSpace;
            double diskUtilized;

            // If the drive has no size, then assume 100% used
            if (totalSize == 0)
                diskUtilized = 1.0;
            else
                diskUtilized = Convert.ToDouble(spaceUsed) / Convert.ToDouble(totalSize);
            diskUtilized *= 100.0;

            Info("\tTotal Disk Space: {0:N0} bytes", totalSize);

            if (_isSubmitDiskSpaceUsed)
            {
                Info("\tDisk Space Used: {0:N0} bytes", spaceUsed);
                metrics.Add(new Amazon.CloudWatch.Model.MetricDatum()
                {
                    MetricName = "DiskSpaceUsed",
                    Unit = "Bytes",
                    Value = spaceUsed,
                    Dimensions = dimensions
                });
            }

            if (_isSubmitDiskSpaceAvailable)
            {
                Info("\tDisk Space Available: {0:N0} bytes", spaceAvailable);
                metrics.Add(new Amazon.CloudWatch.Model.MetricDatum()
                {
                    MetricName = "DiskSpaceAvailable",
                    Unit = "Bytes",
                    Value = spaceAvailable,
                    Dimensions = dimensions
                });
            }

            if (_isSubmitDiskSpaceUtilization)
            {
                Info("\tDisk Space Utilization: {0:F1}%", diskUtilized);
                metrics.Add(new Amazon.CloudWatch.Model.MetricDatum()
                {
                    MetricName = "DiskSpaceUtilization",
                    Unit = "Percent",
                    Value = diskUtilized,
                    Dimensions = dimensions
                });
            }
        }