--- /dev/null
+# Copyright (c) 2005 Zed A. Shaw
+# You can redistribute it and/or modify it under the same terms as Ruby.
+#
+# Additional work donated by contributors. See http://mongrel.rubyforge.org/attributions.html
+# for more information.
+
+require 'optparse'
+require 'yaml'
+require 'etc'
+
+require 'mongrel'
+require 'rails/mongrel_server/handler'
+
+module Rails
+ module MongrelServer
+ def self.send_signal(signal, pid_file)
+ pid = open(pid_file).read.to_i
+ print "Sending #{signal} to Mongrel at PID #{pid}..."
+ begin
+ Process.kill(signal, pid)
+ rescue Errno::ESRCH
+ puts "Process does not exist. Not running."
+ end
+
+ puts "Done."
+ end
+
+ class RailsConfigurator < Mongrel::Configurator
+ def setup_mime_types
+ mime = {}
+
+ if defaults[:mime_map]
+ Mongrel.log("Loading additional MIME types from #{defaults[:mime_map]}")
+ mime = load_mime_map(defaults[:mime_map], mime)
+ end
+
+ mime.each {|k,v| Mongrel::DirHandler::add_mime_type(k,v) }
+ end
+
+ def mount_rails(prefix)
+ ENV['RAILS_ENV'] = defaults[:environment]
+ ::RAILS_ENV.replace(defaults[:environment]) if defined?(::RAILS_ENV)
+
+ env_location = "#{defaults[:cwd]}/config/environment"
+ require env_location
+
+ ActionController::Base.relative_url_root = defaults[:prefix]
+ uri prefix, :handler => Rails::MongrelServer::RailsHandler.new
+ end
+ end
+
+ class Start < GemPlugin::Plugin "/commands"
+ include Mongrel::Command::Base
+
+ def configure
+ options [
+ ["-e", "--environment ENV", "Rails environment to run as", :@environment, ENV['RAILS_ENV'] || "development"],
+ ["-d", "--daemonize", "Run daemonized in the background", :@daemon, false],
+ ['-p', '--port PORT', "Which port to bind to", :@port, 3000],
+ ['-a', '--address ADDR', "Address to bind to", :@address, "0.0.0.0"],
+ ['-l', '--log FILE', "Where to write log messages", :@log_file, "log/mongrel.log"],
+ ['-P', '--pid FILE', "Where to write the PID", :@pid_file, "tmp/pids/mongrel.pid"],
+ ['-n', '--num-procs INT', "Number of processors active before clients denied", :@num_procs, 1024],
+ ['-o', '--timeout TIME', "Time to wait (in seconds) before killing a stalled thread", :@timeout, 60],
+ ['-t', '--throttle TIME', "Time to pause (in hundredths of a second) between accepting clients", :@throttle, 0],
+ ['-m', '--mime PATH', "A YAML file that lists additional MIME types", :@mime_map, nil],
+ ['-c', '--chdir PATH', "Change to dir before starting (will be expanded)", :@cwd, RAILS_ROOT],
+ ['-r', '--root PATH', "Set the document root (default 'public')", :@docroot, "public"],
+ ['-B', '--debug', "Enable debugging mode", :@debug, false],
+ ['-C', '--config PATH', "Use a config file", :@config_file, nil],
+ ['-S', '--script PATH', "Load the given file as an extra config script", :@config_script, nil],
+ ['-G', '--generate PATH', "Generate a config file for use with -C", :@generate, nil],
+ ['', '--user USER', "User to run as", :@user, nil],
+ ['', '--group GROUP', "Group to run as", :@group, nil],
+ ['', '--prefix PATH', "URL prefix for Rails app", :@prefix, nil],
+
+ ['-b', '--binding ADDR', "Address to bind to (deprecated, use -a)", :@address, "0.0.0.0"],
+ ['-u', '--debugger', "Enable debugging mode (deprecated, use -B)", :@debug, false]
+ ]
+ end
+
+ def validate
+ if @config_file
+ valid_exists?(@config_file, "Config file not there: #@config_file")
+ return false unless @valid
+ @config_file = File.expand_path(@config_file)
+ load_config
+ return false unless @valid
+ end
+
+ @cwd = File.expand_path(@cwd)
+ valid_dir? @cwd, "Invalid path to change to during daemon mode: #@cwd"
+
+ # Change there to start, then we'll have to come back after daemonize
+ Dir.chdir(@cwd)
+
+ valid?(@prefix[0] == ?/ && @prefix[-1] != ?/, "Prefix must begin with / and not end in /") if @prefix
+ valid_dir? File.dirname(@log_file), "Path to log file not valid: #@log_file"
+ valid_dir? File.dirname(@pid_file), "Path to pid file not valid: #@pid_file"
+ valid_dir? @docroot, "Path to docroot not valid: #@docroot"
+ valid_exists? @mime_map, "MIME mapping file does not exist: #@mime_map" if @mime_map
+ valid_exists? @config_file, "Config file not there: #@config_file" if @config_file
+ valid_dir? File.dirname(@generate), "Problem accessing directory to #@generate" if @generate
+ valid_user? @user if @user
+ valid_group? @group if @group
+
+ return @valid
+ end
+
+ def run
+ if @generate
+ @generate = File.expand_path(@generate)
+ Mongrel.log(:error, "** Writing config to \"#@generate\".")
+ open(@generate, "w") {|f| f.write(settings.to_yaml) }
+ Mongrel.log(:error, "** Finished. Run \"mongrel_rails start -C #@generate\" to use the config file.")
+ exit 0
+ end
+
+ config = RailsConfigurator.new(settings) do
+ defaults[:log] = $stdout if defaults[:environment] == 'development'
+
+ Mongrel.log("=> Rails #{Rails.version} application starting on http://#{defaults[:host]}:#{defaults[:port]}")
+
+ unless defaults[:daemon]
+ Mongrel.log("=> Call with -d to detach")
+ Mongrel.log("=> Ctrl-C to shutdown server")
+ start_debugger if defaults[:debug]
+ end
+
+ if defaults[:daemon]
+ if File.exist? defaults[:pid_file]
+ Mongrel.log(:error, "!!! PID file #{defaults[:pid_file]} already exists. Mongrel could be running already. Check your #{defaults[:log_file]} for errors.")
+ Mongrel.log(:error, "!!! Exiting with error. You must stop mongrel and clear the .pid before I'll attempt a start.")
+ exit 1
+ end
+
+ daemonize
+
+ Mongrel.log("Daemonized, any open files are closed. Look at #{defaults[:pid_file]} and #{defaults[:log_file]} for info.")
+ Mongrel.log("Settings loaded from #{@config_file} (they override command line).") if @config_file
+ end
+
+ Mongrel.log("Starting Mongrel listening at #{defaults[:host]}:#{defaults[:port]}, further information can be found in log/mongrel-#{defaults[:host]}-#{defaults[:port]}.log")
+
+ listener do
+ prefix = defaults[:prefix] || '/'
+
+ if defaults[:debug]
+ Mongrel.log("Installing debugging prefixed filters. Look in log/mongrel_debug for the files.")
+ debug(prefix)
+ end
+
+ setup_mime_types
+ dir_handler = Mongrel::DirHandler.new(defaults[:docroot], false)
+ dir_handler.passthrough_missing_files = true
+
+ unless defaults[:environment] == 'production'
+ Mongrel.log("Mounting DirHandler at #{prefix}...")
+ uri prefix, :handler => dir_handler
+ end
+
+
+ Mongrel.log("Starting Rails with #{defaults[:environment]} environment...")
+ Mongrel.log("Mounting Rails at #{prefix}...")
+ mount_rails(prefix)
+ Mongrel.log("Rails loaded.")
+
+
+ Mongrel.log("Loading any Rails specific GemPlugins" )
+ load_plugins
+
+ if defaults[:config_script]
+ Mongrel.log("Loading #{defaults[:config_script]} external config script")
+ run_config(defaults[:config_script])
+ end
+
+ setup_signals
+ end
+ end
+
+ config.run
+ Mongrel.log("Mongrel #{Mongrel::Const::MONGREL_VERSION} available at #{@address}:#{@port}")
+
+ if config.defaults[:daemon]
+ config.write_pid_file
+ else
+ Mongrel.log("Use CTRL-C to stop.")
+ tail "log/#{config.defaults[:environment]}.log"
+ end
+
+ config.join
+
+ if config.needs_restart
+ unless RUBY_PLATFORM =~ /djgpp|(cyg|ms|bcc)win|mingw/
+ cmd = "ruby #{__FILE__} start #{original_args.join(' ')}"
+ Mongrel.log("Restarting with arguments: #{cmd}")
+ config.stop(false, true)
+ config.remove_pid_file
+
+ if config.defaults[:daemon]
+ system cmd
+ else
+ Mongrel.log(:error, "Can't restart unless in daemon mode.")
+ exit 1
+ end
+ else
+ Mongrel.log("Win32 does not support restarts. Exiting.")
+ end
+ end
+ end
+
+ def load_config
+ settings = {}
+ begin
+ settings = YAML.load_file(@config_file)
+ ensure
+ Mongrel.log(:error, "** Loading settings from #{@config_file} (they override command line).") unless @daemon || settings[:daemon]
+ end
+
+ settings[:includes] ||= ["mongrel"]
+
+ # Config file settings will override command line settings
+ settings.each do |key, value|
+ key = key.to_s
+ if config_keys.include?(key)
+ key = 'address' if key == 'host'
+ self.instance_variable_set("@#{key}", value)
+ else
+ failure "Unknown configuration setting: #{key}"
+ @valid = false
+ end
+ end
+ end
+
+ def config_keys
+ @config_keys ||=
+ %w(address host port cwd log_file pid_file environment docroot mime_map daemon debug includes config_script num_processors timeout throttle user group prefix)
+ end
+
+ def settings
+ config_keys.inject({}) do |hash, key|
+ value = self.instance_variable_get("@#{key}")
+ key = 'host' if key == 'address'
+ hash[key.to_sym] ||= value
+ hash
+ end
+ end
+
+ def start_debugger
+ require_library_or_gem 'ruby-debug'
+ Debugger.start
+ Debugger.settings[:autoeval] = true if Debugger.respond_to?(:settings)
+ Mongrel.log("=> Debugger enabled")
+ rescue Exception
+ Mongrel.log(:error, "You need to install ruby-debug to run the server in debugging mode. With gems, use 'gem install ruby-debug'")
+ exit
+ end
+
+ def tail(log_file)
+ cursor = File.size(log_file)
+ last_checked = Time.now
+ tail_thread = Thread.new do
+ File.open(log_file, 'r') do |f|
+ loop do
+ f.seek cursor
+ if f.mtime > last_checked
+ last_checked = f.mtime
+ contents = f.read
+ cursor += contents.length
+ print contents
+ end
+ sleep 1
+ end
+ end
+ end
+ tail_thread
+ end
+ end
+
+ class Stop < GemPlugin::Plugin "/commands"
+ include Mongrel::Command::Base
+
+ def configure
+ options [
+ ['-c', '--chdir PATH', "Change to dir before starting (will be expanded).", :@cwd, "."],
+ ['-f', '--force', "Force the shutdown (kill -9).", :@force, false],
+ ['-w', '--wait SECONDS', "Wait SECONDS before forcing shutdown", :@wait, "0"],
+ ['-P', '--pid FILE', "Where the PID file is located.", :@pid_file, "log/mongrel.pid"]
+ ]
+ end
+
+ def validate
+ @cwd = File.expand_path(@cwd)
+ valid_dir? @cwd, "Invalid path to change to during daemon mode: #@cwd"
+
+ Dir.chdir @cwd
+
+ valid_exists? @pid_file, "PID file #@pid_file does not exist. Not running?"
+ return @valid
+ end
+
+ def run
+ if @force
+ @wait.to_i.times do |waiting|
+ exit(0) if not File.exist? @pid_file
+ sleep 1
+ end
+
+ Mongrel::send_signal("KILL", @pid_file) if File.exist? @pid_file
+ else
+ Mongrel::send_signal("TERM", @pid_file)
+ end
+ end
+ end
+
+
+ class Restart < GemPlugin::Plugin "/commands"
+ include Mongrel::Command::Base
+
+ def configure
+ options [
+ ['-c', '--chdir PATH', "Change to dir before starting (will be expanded)", :@cwd, '.'],
+ ['-P', '--pid FILE', "Where the PID file is located", :@pid_file, "log/mongrel.pid"]
+ ]
+ end
+
+ def validate
+ @cwd = File.expand_path(@cwd)
+ valid_dir? @cwd, "Invalid path to change to during daemon mode: #@cwd"
+
+ Dir.chdir @cwd
+
+ valid_exists? @pid_file, "PID file #@pid_file does not exist. Not running?"
+ return @valid
+ end
+
+ def run
+ MongrelServer::send_signal("USR2", @pid_file)
+ end
+ end
+ end
+end
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