public BackgroundServerHost(IBackgroundServer server, TaskScheduler scheduler, IKernel kernel, Action <string> output, CancellationToken?token = null)
{
if (server == null)
{
throw new ArgumentNullException(nameof(server));
}
if (scheduler == null)
{
throw new ArgumentNullException(nameof(scheduler));
}
if (kernel == null)
{
throw new ArgumentNullException(nameof(kernel));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
_server = server;
_scheduler = scheduler;
_token = token.GetValueOrDefault(kernel.Resolve <IShutdown>().Token);
_output = message => output($"[{this}]: {message}");
_context = new RestartableContext(kernel);
_uptime = kernel.Resolve <IUptimeTextGenerator>();
}
public HouseKeeping(IKernel kernel, InternalConfiguration configuration, Action <string> output)
{
if (kernel == null)
{
throw new ArgumentNullException(nameof(kernel));
}
if (configuration == null)
{
throw new ArgumentNullException(nameof(configuration));
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
_logger = kernel.Resolve <ILogger>();
_uptime = kernel.Resolve <IUptimeTextGenerator>();
_configuration = configuration;
_output = message => output($"[{this}]: {message}");
_cancellation = new CancellationTokenSource();
TaskScheduler scheduler = TaskScheduler.Current;
IBackgroundServer[] servers = kernel
.ResolveAll <IBackgroundWorker>()
.Select(worker => new BackgroundWorkerServer(worker, scheduler))
.Concat(kernel.ResolveAll <IBackgroundServer>())
.ToArray();
CancellationToken token = kernel.Resolve <IShutdown>().Token;
_heartbeatLogging = CreateHeartbeatLoggingServerHost(_configuration, scheduler, kernel);
_servers = servers
.Select(server => new BackgroundServerHost(server, scheduler, kernel, output))
.Concat(new[] { _heartbeatLogging })
.SkipNulls()
.ToArray();
// To keep track of which servers are actually running.
_isRunning = new HashSet <BackgroundServerHost>();
// Spin off the housekeeping background server
_task = Start(kernel, scheduler, token);
// Keep track of when Housekeeping was started.
_startedAt = Time.UtcNow;
}
