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using System;
using System.Text;
namespace NetCoreServer
{
/// <summary>
/// Conversion metrics utilities
/// </summary>
public class Utilities
{
/// <summary>
/// Generate data size string. Will return a pretty string of bytes, KiB, MiB, GiB, TiB based on the given bytes.
/// </summary>
/// <param name="b">Data size in bytes</param>
/// <returns>String with data size representation</returns>
public static string GenerateDataSize(double b)
{
var sb = new StringBuilder();
long bytes = (long)b;
long absBytes = Math.Abs(bytes);
if (absBytes >= (1024L * 1024L * 1024L * 1024L))
{
long tb = bytes / (1024L * 1024L * 1024L * 1024L);
long gb = (bytes % (1024L * 1024L * 1024L * 1024L)) / (1024 * 1024 * 1024);
sb.Append(tb);
sb.Append('.');
sb.Append((gb < 100) ? "0" : "");
sb.Append((gb < 10) ? "0" : "");
sb.Append(gb);
sb.Append(" TiB");
}
else if (absBytes >= (1024 * 1024 * 1024))
{
long gb = bytes / (1024 * 1024 * 1024);
long mb = (bytes % (1024 * 1024 * 1024)) / (1024 * 1024);
sb.Append(gb);
sb.Append('.');
sb.Append((mb < 100) ? "0" : "");
sb.Append((mb < 10) ? "0" : "");
sb.Append(mb);
sb.Append(" GiB");
}
else if (absBytes >= (1024 * 1024))
{
long mb = bytes / (1024 * 1024);
long kb = (bytes % (1024 * 1024)) / 1024;
sb.Append(mb);
sb.Append('.');
sb.Append((kb < 100) ? "0" : "");
sb.Append((kb < 10) ? "0" : "");
sb.Append(kb);
sb.Append(" MiB");
}
else if (absBytes >= 1024)
{
long kb = bytes / 1024;
bytes = bytes % 1024;
sb.Append(kb);
sb.Append('.');
sb.Append((bytes < 100) ? "0" : "");
sb.Append((bytes < 10) ? "0" : "");
sb.Append(bytes);
sb.Append(" KiB");
}
else
{
sb.Append(bytes);
sb.Append(" bytes");
}
return sb.ToString();
}
/// <summary>
/// Generate time period string. Will return a pretty string of ns, mcs, ms, s, m, h based on the given nanoseconds.
/// </summary>
/// <param name="ms">Milliseconds</param>
/// <returns>String with time period representation</returns>
public static string GenerateTimePeriod(double ms)
{
var sb = new StringBuilder();
long nanoseconds = (long) (ms * 1000.0 * 1000.0);
long absNanoseconds = Math.Abs(nanoseconds);
if (absNanoseconds >= (60 * 60 * 1000000000L))
{
long hours = nanoseconds / (60 * 60 * 1000000000L);
long minutes = ((nanoseconds % (60 * 60 * 1000000000L)) / 1000000000) / 60;
long seconds = ((nanoseconds % (60 * 60 * 1000000000L)) / 1000000000) % 60;
long milliseconds = ((nanoseconds % (60 * 60 * 1000000000L)) % 1000000000) / 1000000;
sb.Append(hours);
sb.Append(':');
sb.Append((minutes < 10) ? "0" : "");
sb.Append(minutes);
sb.Append(':');
sb.Append((seconds < 10) ? "0" : "");
sb.Append(seconds);
sb.Append('.');
sb.Append((milliseconds < 100) ? "0" : "");
sb.Append((milliseconds < 10) ? "0" : "");
sb.Append(milliseconds);
sb.Append(" h");
}
else if (absNanoseconds >= (60 * 1000000000L))
{
long minutes = nanoseconds / (60 * 1000000000L);
long seconds = (nanoseconds % (60 * 1000000000L)) / 1000000000;
long milliseconds = ((nanoseconds % (60 * 1000000000L)) % 1000000000) / 1000000;
sb.Append(minutes);
sb.Append(':');
sb.Append((seconds < 10) ? "0" : "");
sb.Append(seconds);
sb.Append('.');
sb.Append((milliseconds < 100) ? "0" : "");
sb.Append((milliseconds < 10) ? "0" : "");
sb.Append(milliseconds);
sb.Append(" m");
}
else if (absNanoseconds >= 1000000000)
{
long seconds = nanoseconds / 1000000000;
long milliseconds = (nanoseconds % 1000000000) / 1000000;
sb.Append(seconds);
sb.Append('.');
sb.Append((milliseconds < 100) ? "0" : "");
sb.Append((milliseconds < 10) ? "0" : "");
sb.Append(milliseconds);
sb.Append(" s");
}
else if (absNanoseconds >= 1000000)
{
long milliseconds = nanoseconds / 1000000;
long microseconds = (nanoseconds % 1000000) / 1000;
sb.Append(milliseconds);
sb.Append('.');
sb.Append((microseconds < 100) ? "0" : "");
sb.Append((microseconds < 10) ? "0" : "");
sb.Append(microseconds);
sb.Append(" ms");
}
else if (absNanoseconds >= 1000)
{
long microseconds = nanoseconds / 1000;
nanoseconds = nanoseconds % 1000;
sb.Append(microseconds);
sb.Append('.');
sb.Append((nanoseconds < 100) ? "0" : "");
sb.Append((nanoseconds < 10) ? "0" : "");
sb.Append(nanoseconds);
sb.Append(" mcs");
}
else
{
sb.Append(nanoseconds);
sb.Append(" ns");
}
return sb.ToString();
}
}
}