public override async Task <CollectResult> Collect()
{
var coll = WmiHelper.WmiQuery(Device, String.Format("SELECT * FROM Win32_LogicalDisk WHERE Name = '{0}:'", DriveLetter));
// Count usage of each OS instance (should really be only one!)
decimal total = 0;
decimal free = 0;
int count = 0;
foreach (ManagementObject queryObj in coll)
{
object o = queryObj["FreeSpace"];
count++;
free += (decimal)Convert.ChangeType(o, typeof(decimal));
o = queryObj["Size"];
count++;
total += (decimal)Convert.ChangeType(o, typeof(decimal));
}
// Average them out
if (count > 0)
{
switch (Measurement)
{
case DiskMeasurement.BytesFree:
return(new CollectResult(free));
case DiskMeasurement.BytesUsed:
return(new CollectResult(total - free));
case DiskMeasurement.MegabytesFree:
return(new CollectResult(free / 1024 / 1024));
case DiskMeasurement.MegabytesUsed:
return(new CollectResult((total - free) / 1024 / 1024));
case DiskMeasurement.PercentFree:
return(new CollectResult((free / total) * 100));
case DiskMeasurement.PercentUsed:
return(new CollectResult(1 - (free / total) * 100));
}
}
// Failed!
throw new Exception("No disk query found!");
}
public override async Task <CollectResult> Collect()
{
var coll = WmiHelper.WmiQuery(Device, "SELECT * FROM Win32_PerfFormattedData_PerfOS_System");
// Count usage of each OS instance (should really be only one!)
decimal total = 0;
int count = 0;
foreach (ManagementObject queryObj in coll)
{
object o = queryObj["FileDataOperationsPersec"];
count++;
total += (decimal)Convert.ChangeType(o, typeof(decimal));
}
// Average them out
if (count > 0)
{
return(new CollectResult(total / count));
}
// Failed!
throw new Exception("No disk query found!");
}