/// <summary>
/// A KeepaliveMonitor when enabled will shutdown the
/// node if no one is calling the keepalive endpoint
/// during a certain trashold window
/// </summary>
public void TryStartKeepaliveMonitor()
{
if (this.apiFeatureOptions.KeepaliveMonitor?.KeepaliveInterval.TotalSeconds > 0)
{
this.asyncLoop = this.asyncLoopFactory.Run("ApiFeature.KeepaliveMonitor", token =>
{
// shortened for redability
KeepaliveMonitor monitor = this.apiFeatureOptions.KeepaliveMonitor;
// check the trashold to trigger a shutdown
if (monitor.LastBeat.Add(monitor.KeepaliveInterval) < this.fullNode.DateTimeProvider.GetUtcNow())
{
this.fullNode.Dispose();
}
return(Task.CompletedTask);
},
this.fullNode.NodeLifetime.ApplicationStopping,
repeatEvery: this.apiFeatureOptions.KeepaliveMonitor?.KeepaliveInterval,
startAfter: TimeSpans.Minute);
}
}
public void Keepalive(TimeSpan timeSpan)
{
this.KeepaliveMonitor = new KeepaliveMonitor {
KeepaliveInterval = timeSpan
};
}
