/// <summary>
/// Performs all of the initialization to get the PCF metrics forwarding engine up and running.
/// </summary>
/// <param name="settings">The options and settings needed to communicate with PCF.</param>
/// <param name="system">Optional. An <see cref="ActorSystem" /> used to spawn the underlying actors needed to do the job.</param>
/// <returns>A new <see cref="PcfMetricRecorder" /> instance.</returns>
public static PcfMetricRecorder Create(PcfMetricForwarderSettings settings, ActorSystem system = null)
{
var weOwnActorSystem = false;
if (system == null) // create our own ActorSystem if it doesn't already exist.
{
weOwnActorSystem = true;
system = ActorSystem.Create("pbpcfmetrics",
settings.DebugLogging ? DebugHocon : NormalHocon);
}
// spawn as a System actor, so in the event of being in a non-owned system our traces get shut down
// only after all of the user-defined actors have terminated.
var reporterActor = system.AsInstanceOf <ExtendedActorSystem>().SystemActorOf(
Props.Create(() => new MetricsReporterActor(settings)),
$"pcf-reporter-{NameCounter.GetAndIncrement()}");
var counterActor = system.AsInstanceOf <ExtendedActorSystem>().SystemActorOf(
Props.Create(() =>
new CounterAggregator(reporterActor, settings.TimeProvider ?? new DateTimeOffsetTimeProvider())),
$"pcf-reporter-{NameCounter.GetAndIncrement()}");
return(new PcfMetricRecorder(reporterActor, counterActor, weOwnActorSystem ? system : null));
}
internal PcfMetricRecorder(PcfMetricForwarderSettings settings, IActorRef reporterActorRef,
IActorRef counterAggregatorRef, ActorSystem ownedActorSystem = null)
{
Settings = settings;
_reporterActorRef = reporterActorRef;
_counterAggregatorRef = counterAggregatorRef;
_ownedActorSystem = ownedActorSystem;
TimeProvider = Settings.TimeProvider ?? new DateTimeOffsetTimeProvider();
}
/// <summary>
/// Creates a new metric recorder using the values provided in <see cref="PcfEnvironment" />
/// </summary>
internal PcfMetricRecorder(IActorRef reporterActorRef, IActorRef counterAggregatorRef,
ActorSystem ownedActorSystem) : this(PcfMetricForwarderSettings.FromEnvironment(), reporterActorRef,
counterAggregatorRef, ownedActorSystem)
{
}
/// <summary>
/// Performs all of the initialization to get the PCF metrics forwarding engine up and running.
/// </summary>
/// <param name="system">Optional. An <see cref="ActorSystem" /> used to spawn the underlying actors needed to do the job.</param>
/// <returns>A new <see cref="PcfMetricRecorder" /> instance.</returns>
public static PcfMetricRecorder Create(ActorSystem system = null)
{
return(Create(PcfMetricForwarderSettings.FromEnvironment(), system));
}
