/// <summary>
/// Initializes and instance of the <see cref="TransportHeartbeat"/> class.
/// </summary>
/// <param name="serviceProvider">The <see cref="IDependencyResolver"/>.</param>
public TransportHeartbeat(IOptions<SignalROptions> optionsAccessor,
IPerformanceCounterManager counters,
ILoggerFactory loggerFactory)
{
_transportOptions = optionsAccessor.Options.Transports;
_counters = counters;
_logger = loggerFactory.CreateLogger<TransportHeartbeat>();
// REVIEW: When to dispose the timer?
_timer = new Timer(Beat,
null,
_transportOptions.HeartbeatInterval(),
_transportOptions.HeartbeatInterval());
}
public void DefaultValues()
{
// Arrange
var config = new TransportOptions();
// Assert
Assert.Equal(110, config.LongPolling.PollTimeout.TotalSeconds);
Assert.Equal(30, config.DisconnectTimeout.TotalSeconds);
Assert.Equal(10, config.KeepAlive.Value.TotalSeconds);
Assert.Equal(20, config.KeepAliveTimeout().Value.TotalSeconds);
Assert.Equal(5, config.HeartbeatInterval().TotalSeconds);
Assert.Equal(100, config.TopicTtl().TotalSeconds);
}
public void HeartbeatIntervalIsASixthOfTheDisconnectTimeoutIfTheKeepAliveIsNull()
{
// Arrange
var config = new TransportOptions();
var random = new Random();
config.DisconnectTimeout = TimeSpan.FromSeconds(random.Next(6, 31536000)); // 6 seconds to a year
config.KeepAlive = null;
// Assert
Assert.Equal(TimeSpan.FromTicks(config.DisconnectTimeout.Ticks / 6), config.HeartbeatInterval());
}
public void HeartbeatIntervalIsHalfTheKeepAlive()
{
// Arrange
var config = new TransportOptions();
var random = new Random();
config.KeepAlive = TimeSpan.FromSeconds(random.NextDouble() * 8 + 2); // 2 to 10 seconds
// Assert
Assert.Equal(TimeSpan.FromTicks(config.KeepAlive.Value.Ticks / 2), config.HeartbeatInterval());
}