如何从机架中间件内部访问Thin :: Connection？

Question

I would like to run set_comm_inactivity_timeout(0) on my EM Connection from inside Rack Middleware.

This will allow me to have one timeout for my upgraded web sockets and another for the rails app.

My web sockets are all first in the middleware chain so it is not wreaking havoc with Rack::Lock and such.

I see that some simply go for an infinite timeout in Thin and then inject something like Rack::Timeout after.

Is there a way to access EM::Connection or the signature of the connection from Rack middleware?

Answer 1

Only way to do this is monkey patch thin:

class Thin::Connection
  alias :thin_process      :process
  def process
    set_comm_inactivity_timeout(0)
    thin_process
  end
end