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| | # -*- encoding: binary -*-
require 'fcntl'
require 'etc'
require 'stringio'
require 'rack'
require 'kgio'
# :stopdoc:
# Unicorn module containing all of the classes (include C extensions) for
# running a Unicorn web server. It contains a minimalist HTTP server with just
# enough functionality to service web application requests fast as possible.
# :startdoc:
# \Unicorn exposes very little of an user-visible API and most of its
# internals are subject to change. \Unicorn is designed to host Rack
# applications, so applications should be written against the Rack SPEC
# and not \Unicorn internals.
module Unicorn
# Raised inside TeeInput when a client closes the socket inside the
# application dispatch. This is always raised with an empty backtrace
# since there is nothing in the application stack that is responsible
# for client shutdowns/disconnects. This exception is visible to Rack
# applications unless PrereadInput middleware is loaded.
class ClientShutdown < EOFError
end
# :stopdoc:
def self.run(app, options = {})
Unicorn::HttpServer.new(app, options).start.join
end
# This returns a lambda to pass in as the app, this does not "build" the
# app (which we defer based on the outcome of "preload_app" in the
# Unicorn config). The returned lambda will be called when it is
# time to build the app.
def self.builder(ru, opts)
# allow Configurator to parse cli switches embedded in the ru file
Unicorn::Configurator::RACKUP.update(:file => ru, :optparse => opts)
# always called after config file parsing, may be called after forking
lambda do ||
inner_app = case ru
when /\.ru$/
raw = File.read(ru)
raw.sub!(/^__END__\n.*/, '')
eval("Rack::Builder.new {(#{raw}\n)}.to_app", TOPLEVEL_BINDING, ru)
else
require ru
Object.const_get(File.basename(ru, '.rb').capitalize)
end
pp({ :inner_app => inner_app }) if $DEBUG
# return value, matches rackup defaults based on env
case ENV["RACK_ENV"]
when "development"
Rack::Builder.new do
use Rack::CommonLogger, $stderr
use Rack::ShowExceptions
use Rack::Lint
run inner_app
end.to_app
when "deployment"
Rack::Builder.new do
use Rack::CommonLogger, $stderr
run inner_app
end.to_app
else
inner_app
end
end
end
# returns an array of strings representing TCP listen socket addresses
# and Unix domain socket paths. This is useful for use with
# Raindrops::Middleware under Linux: http://raindrops.bogomips.org/
def self.listener_names
Unicorn::HttpServer::LISTENERS.map do |io|
Unicorn::SocketHelper.sock_name(io)
end
end
# :startdoc:
end
# :enddoc:
require 'unicorn/const'
require 'unicorn/socket_helper'
require 'unicorn/stream_input'
require 'unicorn/tee_input'
require 'unicorn/http_request'
require 'unicorn/configurator'
require 'unicorn/tmpio'
require 'unicorn/util'
require 'unicorn/http_response'
require 'unicorn/worker'
require 'unicorn/http_server'
|