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require 'fileutils'
require 'optparse'
require 'action_dispatch'
require 'rails'
require 'rails/dev_caching'
module Rails
class Server < ::Rack::Server
class Options
DEFAULT_PID_PATH = File.expand_path("tmp/pids/server.pid").freeze
def parse!(args)
args, options = args.dup, {}
option_parser(options).parse! args
options[:log_stdout] = options[:daemonize].blank? && (options[:environment] || Rails.env) == "development"
options[:server] = args.shift
options
end
private
def option_parser(options)
OptionParser.new do |opts|
opts.banner = "Usage: rails server [mongrel, thin etc] [options]"
opts.on("-p", "--port=port", Integer,
"Runs Rails on the specified port.", "Default: 3000") { |v| options[:Port] = v }
opts.on("-b", "--binding=IP", String,
"Binds Rails to the specified IP.", "Default: localhost") { |v| options[:Host] = v }
opts.on("-c", "--config=file", String,
"Uses a custom rackup configuration.") { |v| options[:config] = v }
opts.on("-d", "--daemon", "Runs server as a Daemon.") { options[:daemonize] = true }
opts.on("-e", "--environment=name", String,
"Specifies the environment to run this server under (test/development/production).",
"Default: development") { |v| options[:environment] = v }
opts.on("-P", "--pid=pid", String,
"Specifies the PID file.",
"Default: tmp/pids/server.pid") { |v| options[:pid] = v }
opts.on("-C", "--[no-]dev-caching",
"Specifies whether to perform caching in development.",
"true or false") { |v| options[:caching] = v }
opts.separator ""
opts.on("-h", "--help", "Shows this help message.") { puts opts; exit }
end
end
end
def initialize(*)
super
set_environment
end
# TODO: this is no longer required but we keep it for the moment to support older config.ru files.
def app
@app ||= begin
app = super
app.respond_to?(:to_app) ? app.to_app : app
end
end
def opt_parser
Options.new
end
def set_environment
ENV["RAILS_ENV"] ||= options[:environment]
end
def start
print_boot_information
trap(:INT) { exit }
create_tmp_directories
setup_dev_caching
log_to_stdout if options[:log_stdout]
super
ensure
# The '-h' option calls exit before @options is set.
# If we call 'options' with it unset, we get double help banners.
puts 'Exiting' unless @options && options[:daemonize]
end
def middleware
Hash.new([])
end
def default_options
super.merge({
Port: ENV.fetch('PORT', 3000).to_i,
DoNotReverseLookup: true,
environment: (ENV['RAILS_ENV'] || ENV['RACK_ENV'] || "development").dup,
daemonize: false,
caching: nil,
pid: Options::DEFAULT_PID_PATH,
restart_cmd: restart_command
})
end
private
def setup_dev_caching
if options[:environment] == "development"
Rails::DevCaching.enable_by_argument(options[:caching])
end
end
def print_boot_information
url = "#{options[:SSLEnable] ? 'https' : 'http'}://#{options[:Host]}:#{options[:Port]}"
puts "=> Booting #{ActiveSupport::Inflector.demodulize(server)}"
puts "=> Rails #{Rails.version} application starting in #{Rails.env} on #{url}"
puts "=> Run `rails server -h` for more startup options"
end
def create_tmp_directories
%w(cache pids sockets).each do |dir_to_make|
FileUtils.mkdir_p(File.join(Rails.root, 'tmp', dir_to_make))
end
end
def log_to_stdout
wrapped_app # touch the app so the logger is set up
console = ActiveSupport::Logger.new(STDOUT)
console.formatter = Rails.logger.formatter
console.level = Rails.logger.level
unless ActiveSupport::Logger.logger_outputs_to?(Rails.logger, STDOUT)
Rails.logger.extend(ActiveSupport::Logger.broadcast(console))
end
end
def restart_command
"bin/rails server #{ARGV.join(' ')}"
end
end
end
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