lib/rainbows/base.rb

   1 # -*- encoding: binary -*-
   2
   3 # base class for \Rainbows! concurrency models, this is currently used by
   4 # ThreadSpawn and ThreadPool models.  Base is also its own
   5 # (non-)concurrency model which is basically Unicorn-with-keepalive, and
   6 # not intended for production use, as keepalive with a pure prefork
   7 # concurrency model is extremely expensive.
   8 module Rainbows::Base
   9   # :stopdoc:
  10
  11   # this method is called by all current concurrency models
  12   def init_worker_process(worker) # :nodoc:
  13     super(worker)
  14     Rainbows::Response.setup(self.class)
  15     Rainbows::MaxBody.setup
  16     Rainbows.tick_io = worker.tmp
  17
  18     listeners = Rainbows::HttpServer::LISTENERS
  19     Rainbows::HttpServer::IO_PURGATORY.concat(listeners)
  20
  21     # we're don't use the self-pipe mechanism in the Rainbows! worker
  22     # since we don't defer reopening logs
  23     Rainbows::HttpServer::SELF_PIPE.each { |x| x.close }.clear
  24     trap(:USR1) { reopen_worker_logs(worker.nr) }
  25     trap(:QUIT) { Rainbows.quit! }
  26     [:TERM, :INT].each { |sig| trap(sig) { exit!(0) } } # instant shutdown
  27     Rainbows::ProcessClient.const_set(:APP, Rainbows.server.app)
  28     logger.info "Rainbows! #@use worker_connections=#@worker_connections"
  29   end
  30
  31   def process_client(client)
  32     client.process_loop
  33   end
  34
  35   def self.included(klass) # :nodoc:
  36     klass.const_set :LISTENERS, Rainbows::HttpServer::LISTENERS
  37   end
  38
  39   # :startdoc:
  40 end