protected override void Setup(FeatureConfigurationContext context)
{
if (!context.Settings.TryGet("NServiceBus.Heartbeat.Interval", out TimeSpan interval))
{
interval = TimeSpan.FromSeconds(10);
}
if (!context.Settings.TryGet("NServiceBus.Heartbeat.Ttl", out TimeSpan ttl))
{
ttl = TimeSpan.FromTicks(interval.Ticks * 4);
}
var replyToAddress = !context.Settings.GetOrDefault <bool>("Endpoint.SendOnly")
? context.Settings.LocalAddress()
: null;
var destinationQueue = context.Settings.Get <string>("NServiceBus.Heartbeat.Queue");
var backend = new ServiceControlBackend(destinationQueue, replyToAddress);
context.RegisterStartupTask(b => new HeartbeatSender(b.GetRequiredService <IMessageDispatcher>(), b.GetRequiredService <HostInformation>(),
backend, context.Settings.EndpointName(), interval, ttl));
}
public HeartbeatSender(IMessageDispatcher dispatcher, HostInformation hostInfo, ServiceControlBackend backend,
string endpointName, TimeSpan interval, TimeSpan timeToLive)
{
this.dispatcher = dispatcher;
this.backend = backend;
this.endpointName = endpointName;
heartbeatInterval = interval;
ttlTimeSpan = timeToLive;
this.hostInfo = hostInfo;
}