services

type ErrMissingConfig struct {
	Where string
	What  string
}

type ErrTerminated struct {
	What string
}

type Transport interface {
	// Close shall terminate the transport, possibly in a clean way, and close
	// the channel returned by Closed().
	Close() error

	// Closed returns a channel that is closed once the transport is terminated.
	// The channel should be closed when a fatal internal transport error occurs
	// or after Close() is called and the transport object is terminated.
	//
	// Possible internal error can be checked by using Wait method once this
	// channel is closed.
	Closed() <-chan struct{}

	// Wait shall block until the transport is terminated. Wait returning a
	// non-nil error means that the transport failed in a non-recoverable way.
	Wait() error
}