cs-codex-dist-tests/Tools/TestNetRewarder/TimeSegmenter.cs

52 lines
1.7 KiB
C#

using Logging;
using Utils;
namespace TestNetRewarder
{
public class TimeSegmenter
{
private readonly ILog log;
private readonly TimeSpan segmentSize;
private DateTime start;
public TimeSegmenter(ILog log, Configuration configuration)
{
this.log = log;
if (configuration.Interval < 0) configuration.Interval = 15;
if (configuration.CheckHistoryTimestamp == 0) throw new Exception("'check-history' unix timestamp is required. Set it to the start/launch moment of the testnet.");
segmentSize = TimeSpan.FromSeconds(configuration.Interval);
start = DateTimeOffset.FromUnixTimeSeconds(configuration.CheckHistoryTimestamp).UtcDateTime;
log.Log("Starting time segments at " + start);
log.Log("Segment size: " + Time.FormatDuration(segmentSize));
}
public async Task WaitForNextSegment(Func<TimeRange, Task> onSegment)
{
var now = DateTime.UtcNow;
var end = start + segmentSize;
var waited = false;
if (end > now)
{
// Wait for the entire time segment to be in the past.
var delay = (end - now).Add(TimeSpan.FromSeconds(3));
waited = true;
await Task.Delay(delay, Program.CancellationToken);
}
if (Program.CancellationToken.IsCancellationRequested) return;
var postfix = "(Catching up...)";
if (waited) postfix = "(Real-time)";
log.Log($"Time segment [{start} to {end}] {postfix}");
var range = new TimeRange(start, end);
start = end;
await onSegment(range);
}
}
}