Nsb V5 satellite that just repeats what it gets sent

EchoSatellite.cs

class EchoSatellite : ISatellite
{
	public bool Handle(TransportMessage message)
	{
		string replyToAddress;
		if (message.Headers.TryGetValue(Headers.ReplyToAddress, out replyToAddress))
		{
			dispatcher.Send(message, new SendOptions(replyToAddress));
			return true;
		}

		return false;
	}

	public void Start() { }

	public void Stop() { }

	public Address InputAddress => settings.LocalAddress().SubScope("echo");
	public bool Disabled => false;

	private readonly ISendMessages dispatcher;
	private readonly ReadOnlySettings settings;

	public EchoSatellite(ISendMessages dispatcher, ReadOnlySettings settings)
	{
		this.dispatcher = dispatcher;
		this.settings = settings;
	}
}