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rack-loader.rb
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rack-loader.rb
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#!/usr/bin/env ruby
# encoding: binary
module PhusionPassenger
module App
def self.options
return @@options
end
def self.app
return @@app
end
def self.format_exception(e)
result = "#{e} (#{e.class})"
if !e.backtrace.empty?
result << "\n " << e.backtrace.join("\n ")
end
return result
end
def self.exit_code_for_exception(e)
if e.is_a?(SystemExit)
return e.status
else
return 1
end
end
def self.handshake_and_read_startup_request
STDOUT.sync = true
STDERR.sync = true
puts "!> I have control 1.0"
abort "Invalid initialization header" if STDIN.readline != "You have control 1.0\n"
@@options = {}
while (line = STDIN.readline) != "\n"
name, value = line.strip.split(/: */, 2)
@@options[name] = value
end
end
def self.init_passenger
$LOAD_PATH.unshift(options["ruby_libdir"])
require 'phusion_passenger'
PhusionPassenger.locate_directories(options["passenger_root"])
require 'phusion_passenger/native_support'
require 'phusion_passenger/ruby_core_enhancements'
require 'phusion_passenger/utils/tmpdir'
require 'phusion_passenger/loader_shared_helpers'
require 'phusion_passenger/request_handler'
require 'phusion_passenger/rack/thread_handler_extension'
LoaderSharedHelpers.init
@@options = LoaderSharedHelpers.sanitize_spawn_options(@@options)
Utils.passenger_tmpdir = options["generation_dir"]
NativeSupport.disable_stdio_buffering
RequestHandler::ThreadHandler.send(:include, Rack::ThreadHandlerExtension)
rescue Exception => e
LoaderSharedHelpers.about_to_abort(e) if defined?(LoaderSharedHelpers)
puts "!> Error"
puts "!> "
puts format_exception(e)
exit exit_code_for_exception(e)
end
def self.load_app
LoaderSharedHelpers.before_loading_app_code_step1('config.ru', options)
LoaderSharedHelpers.run_load_path_setup_code(options)
LoaderSharedHelpers.before_loading_app_code_step2(options)
require 'rubygems'
require 'rack'
rackup_file = ENV["RACKUP_FILE"] || options["rackup_file"] || "config.ru"
rackup_code = ::File.open(rackup_file, 'rb') do |f|
f.read
end
@@app = eval("Rack::Builder.new {( #{rackup_code}\n )}.to_app",
TOPLEVEL_BINDING, rackup_file)
LoaderSharedHelpers.after_loading_app_code(options)
rescue Exception => e
LoaderSharedHelpers.about_to_abort(e)
puts "!> Error"
puts "!> "
puts format_exception(e)
exit exit_code_for_exception(e)
end
################## Main code ##################
handshake_and_read_startup_request
init_passenger
load_app
LoaderSharedHelpers.before_handling_requests(false, options)
handler = RequestHandler.new(STDIN, options.merge("app" => app))
puts "!> Ready"
LoaderSharedHelpers.advertise_sockets(STDOUT, handler)
puts "!> "
handler.main_loop
LoaderSharedHelpers.after_handling_requests
end # module App
end # module PhusionPassenger