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| | # -*- encoding: binary -*-
require 'unicorn'
module Rainbows
# global vars because class/instance variables are confusing me :<
# this struct is only accessed inside workers and thus private to each
G = Struct.new(:cur, :max, :logger, :alive, :app).new
# G.cur may not be used the network concurrency model
G.alive = true
require 'rainbows/const'
require 'rainbows/http_server'
require 'rainbows/http_response'
require 'rainbows/base'
autoload :AppPool, 'rainbows/app_pool'
autoload :DevFdResponse, 'rainbows/dev_fd_response'
class << self
# runs the Rainbows! HttpServer with +app+ and +options+ and does
# not return until the server has exited.
def run(app, options = {})
HttpServer.new(app, options).start.join
end
end
# configures \Rainbows! with a given concurrency model to +use+ and
# a +worker_connections+ upper-bound. This method may be called
# inside a Unicorn/Rainbows configuration file:
#
# Rainbows! do
# use :Revactor # this may also be :ThreadSpawn or :ThreadPool
# worker_connections 400
# end
#
# # the rest of the Unicorn configuration
# worker_processes 8
#
# See the documentation for the respective Revactor, ThreadSpawn,
# and ThreadPool classes for descriptions and recommendations for
# each of them. The total number of clients we're able to serve is
# +worker_processes+ * +worker_connections+, so in the above example
# we can serve 8 * 400 = 3200 clients concurrently.
def Rainbows!(&block)
block_given? or raise ArgumentError, "Rainbows! requires a block"
HttpServer.setup(block)
end
# maps models to default worker counts, default worker count numbers are
# pretty arbitrary and tuning them to your application and hardware is
# highly recommended
MODEL_WORKER_CONNECTIONS = {
:Base => 1, # this one can't change
:Revactor => 50,
:ThreadSpawn => 30,
:ThreadPool => 10,
:Rev => 50,
:EventMachine => 50,
}.each do |model, _|
u = model.to_s.gsub(/([a-z0-9])([A-Z0-9])/) { "#{$1}_#{$2.downcase!}" }
autoload model, "rainbows/#{u.downcase!}"
end
end
# inject the Rainbows! method into Unicorn::Configurator
Unicorn::Configurator.class_eval { include Rainbows }
|