Method: Jets::RackServer#wait_for_socket

Defined in:
lib/jets/rack_server.rb

#wait_for_socket ⇒ Object

blocks until rack server is up



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# File 'lib/jets/rack_server.rb', line 54

def wait_for_socket
  return unless Jets.rack?

  retries = 0
  max_retries = 30 # 15 seconds at a delay of 0.5s
  delay = 0.5
  if ENV['C9_USER'] # overrides for local testing
    max_retries = 3
    delay = 3
  end
  begin
    server = TCPSocket.new('localhost', 9292)
    server.close
  rescue Errno::ECONNREFUSED, Errno::EAFNOSUPPORT
    puts "Unable to connect to localhost:9292. Delay for #{delay} and will try to connect again."  if ENV['JETS_DEBUG']
    sleep(delay)
    retries += 1
    if retries < max_retries
      retry
    else
      puts "Giving up on trying to connect to localhost:9292"
      return false
    end
  end
  puts "Connected to localhost:9292 successfully"
  true
end