vendor/rails/railties/lib/commands/server.rb

   1 require 'active_support'
   2 require 'action_controller'
   3
   4 require 'fileutils'
   5 require 'optparse'
   6
   7 # TODO: Push Thin adapter upstream so we don't need worry about requiring it
   8 begin
   9   require_library_or_gem 'thin'
  10 rescue Exception
  11   # Thin not available
  12 end
  13
  14 options = {
  15   :Port        => 3000,
  16   :Host        => "0.0.0.0",
  17   :environment => (ENV['RAILS_ENV'] || "development").dup,
  18   :config      => RAILS_ROOT + "/config.ru",
  19   :detach      => false,
  20   :debugger    => false,
  21   :path        => nil
  22 }
  23
  24 ARGV.clone.options do |opts|
  25   opts.on("-p", "--port=port", Integer,
  26           "Runs Rails on the specified port.", "Default: 3000") { |v| options[:Port] = v }
  27   opts.on("-b", "--binding=ip", String,
  28           "Binds Rails to the specified ip.", "Default: 0.0.0.0") { |v| options[:Host] = v }
  29   opts.on("-c", "--config=file", String,
  30           "Use custom rackup configuration file") { |v| options[:config] = v }
  31   opts.on("-d", "--daemon", "Make server run as a Daemon.") { options[:detach] = true }
  32   opts.on("-u", "--debugger", "Enable ruby-debugging for the server.") { options[:debugger] = true }
  33   opts.on("-e", "--environment=name", String,
  34           "Specifies the environment to run this server under (test/development/production).",
  35           "Default: development") { |v| options[:environment] = v }
  36   opts.on("-P", "--path=/path", String, "Runs Rails app mounted at a specific path.", "Default: /") { |v| options[:path] = v }
  37
  38   opts.separator ""
  39
  40   opts.on("-h", "--help", "Show this help message.") { puts opts; exit }
  41
  42   opts.parse!
  43 end
  44
  45 server = Rack::Handler.get(ARGV.first) rescue nil
  46 unless server
  47   begin
  48     server = Rack::Handler::Mongrel
  49   rescue LoadError => e
  50     server = Rack::Handler::WEBrick
  51   end
  52 end
  53
  54 puts "=> Booting #{ActiveSupport::Inflector.demodulize(server)}"
  55 puts "=> Rails #{Rails.version} application starting on http://#{options[:Host]}:#{options[:Port]}#{options[:path]}"
  56
  57 %w(cache pids sessions sockets).each do |dir_to_make|
  58   FileUtils.mkdir_p(File.join(RAILS_ROOT, 'tmp', dir_to_make))
  59 end
  60
  61 if options[:detach]
  62   Process.daemon
  63   pid = "#{RAILS_ROOT}/tmp/pids/server.pid"
  64   File.open(pid, 'w'){ |f| f.write(Process.pid) }
  65   at_exit { File.delete(pid) if File.exist?(pid) }
  66 end
  67
  68 ENV["RAILS_ENV"] = options[:environment]
  69 RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
  70
  71 if File.exist?(options[:config])
  72   config = options[:config]
  73   if config =~ /\.ru$/
  74     cfgfile = File.read(config)
  75     if cfgfile[/^#\\(.*)/]
  76       opts.parse!($1.split(/\s+/))
  77     end
  78     inner_app = eval("Rack::Builder.new {( " + cfgfile + "\n )}.to_app", nil, config)
  79   else
  80     require config
  81     inner_app = Object.const_get(File.basename(config, '.rb').capitalize)
  82   end
  83 else
  84   require RAILS_ROOT + "/config/environment"
  85   inner_app = ActionController::Dispatcher.new
  86 end
  87
  88 if options[:path].nil?
  89   map_path = "/"
  90 else
  91   ActionController::Base.relative_url_root = options[:path]
  92   map_path = options[:path]
  93 end
  94
  95 app = Rack::Builder.new {
  96   use Rails::Rack::LogTailer unless options[:detach]
  97   use Rails::Rack::Debugger if options[:debugger]
  98   map map_path do
  99     use Rails::Rack::Static
 100     run inner_app
 101   end
 102 }.to_app
 103
 104 puts "=> Call with -d to detach"
 105
 106 trap(:INT) { exit }
 107
 108 puts "=> Ctrl-C to shutdown server"
 109
 110 begin
 111   server.run(app, options.merge(:AccessLog => []))
 112 ensure
 113   puts 'Exiting'
 114 end