Class: Routemaster::Drain::Terminator

Inherits:
Object
  • Object
show all
Includes:
Wisper::Publisher
Defined in:
lib/routemaster/drain/terminator.rb

Overview

Tiny Rack app to terminates a Routemaster middleware chain.

Respond 204 if a payload has been parsed (i.e. present in the environment) and 400 if not.

If an event payload has been placed in env['routemaster.payload'] by upper middleware, broadcasts the :events_received event with the payload.

Nothing will be broadcast if the payload is empty.

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object 



19
20
21
22
23
24
25
26
27
 
# File 'lib/routemaster/drain/terminator.rb', line 19

def call(env)
  payload = env['routemaster.payload']
  if payload.nil?
    return [400, {'Content-Type' => 'text/plain'}, 'no payload parsed']
  end

  publish(:events_received, payload) if payload.any?
  [204, {}, []]
end