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author | Joshua Peek <josh@joshpeek.com> | 2009-10-05 11:16:24 -0500 |
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committer | Joshua Peek <josh@joshpeek.com> | 2009-10-05 11:16:24 -0500 |
commit | 570f055c44a0b6da973f63689f8fedbef9fe32d3 (patch) | |
tree | 72d59dbe672653fefcdabda37c24bcb5b80b2b98 /railties/lib/rails | |
parent | 20d6938453f439531a13e2ef1fd0905edf56294c (diff) | |
download | rails-570f055c44a0b6da973f63689f8fedbef9fe32d3.tar.gz rails-570f055c44a0b6da973f63689f8fedbef9fe32d3.tar.bz2 rails-570f055c44a0b6da973f63689f8fedbef9fe32d3.zip |
Yank FCGI Handler from core
http://github.com/rails/fcgi_handler
Diffstat (limited to 'railties/lib/rails')
7 files changed, 0 insertions, 479 deletions
diff --git a/railties/lib/rails/commands/ncgi/listener b/railties/lib/rails/commands/ncgi/listener deleted file mode 100755 index 7079ef78a6..0000000000 --- a/railties/lib/rails/commands/ncgi/listener +++ /dev/null @@ -1,86 +0,0 @@ -#!/usr/bin/env ruby - -require 'stringio' -require 'fileutils' -require 'fcgi_handler' - -def message(s) - $stderr.puts "listener: #{s}" if ENV && ENV["DEBUG_GATEWAY"] -end - -class RemoteCGI < CGI - attr_accessor :stdinput, :stdoutput, :env_table - def initialize(env_table, input = nil, output = nil) - self.env_table = env_table - self.stdinput = input || StringIO.new - self.stdoutput = output || StringIO.new - super() - end - - def out(stream) # Ignore the requested output stream - super(stdoutput) - end -end - -class Listener - include DRbUndumped - - def initialize(timeout, socket_path) - @socket = File.expand_path(socket_path) - @mutex = Mutex.new - @active = false - @timeout = timeout - - @handler = RailsFCGIHandler.new - @handler.extend DRbUndumped - - message 'opening socket' - DRb.start_service("drbunix:#{@socket}", self) - - message 'entering process loop' - @handler.process! self - end - - def each_cgi(&cgi_block) - @cgi_block = cgi_block - message 'entering idle loop' - loop do - sleep @timeout rescue nil - die! unless @active - @active = false - end - end - - def process(env, input) - message 'received request' - @mutex.synchronize do - @active = true - - message 'creating input stream' - input_stream = StringIO.new(input) - message 'building CGI instance' - cgi = RemoteCGI.new(eval(env), input_stream) - - message 'yielding to fcgi handler' - @cgi_block.call cgi - message 'yield finished -- sending output' - - cgi.stdoutput.seek(0) - output = cgi.stdoutput.read - - return output - end - end - - def die! - message 'shutting down' - DRb.stop_service - FileUtils.rm_f @socket - Kernel.exit 0 - end -end - -socket_path = ARGV.shift -timeout = (ARGV.shift || 90).to_i - -Listener.new(timeout, socket_path) diff --git a/railties/lib/rails/fcgi_handler.rb b/railties/lib/rails/fcgi_handler.rb deleted file mode 100644 index 77dce5f325..0000000000 --- a/railties/lib/rails/fcgi_handler.rb +++ /dev/null @@ -1,241 +0,0 @@ -require 'fcgi' -require 'logger' -require 'rails/dispatcher' -require 'rbconfig' - -class RailsFCGIHandler - SIGNALS = { - 'HUP' => :reload, - 'INT' => :exit_now, - 'TERM' => :exit_now, - 'USR1' => :exit, - 'USR2' => :restart - } - GLOBAL_SIGNALS = SIGNALS.keys - %w(USR1) - - attr_reader :when_ready - - attr_accessor :log_file_path - attr_accessor :gc_request_period - - # Initialize and run the FastCGI instance, passing arguments through to new. - def self.process!(*args, &block) - new(*args, &block).process! - end - - # Initialize the FastCGI instance with the path to a crash log - # detailing unhandled exceptions (default RAILS_ROOT/log/fastcgi.crash.log) - # and the number of requests to process between garbage collection runs - # (default nil for normal GC behavior.) Optionally, pass a block which - # takes this instance as an argument for further configuration. - def initialize(log_file_path = nil, gc_request_period = nil) - self.log_file_path = log_file_path || "#{RAILS_ROOT}/log/fastcgi.crash.log" - self.gc_request_period = gc_request_period - - # Yield for additional configuration. - yield self if block_given? - - # Safely install signal handlers. - install_signal_handlers - - @app = Dispatcher.new - - # Start error timestamp at 11 seconds ago. - @last_error_on = Time.now - 11 - end - - def process!(provider = FCGI) - mark_features! - - dispatcher_log :info, 'starting' - process_each_request provider - dispatcher_log :info, 'stopping gracefully' - - rescue Exception => error - case error - when SystemExit - dispatcher_log :info, 'stopping after explicit exit' - when SignalException - dispatcher_error error, 'stopping after unhandled signal' - else - # Retry if exceptions occur more than 10 seconds apart. - if Time.now - @last_error_on > 10 - @last_error_on = Time.now - dispatcher_error error, 'retrying after unhandled exception' - retry - else - dispatcher_error error, 'stopping after unhandled exception within 10 seconds of the last' - end - end - end - - protected - def process_each_request(provider) - request = nil - - catch :exit do - provider.each do |request| - process_request(request) - - case when_ready - when :reload - reload! - when :restart - close_connection(request) - restart! - when :exit - close_connection(request) - throw :exit - end - end - end - rescue SignalException => signal - raise unless signal.message == 'SIGUSR1' - close_connection(request) - end - - def process_request(request) - @processing, @when_ready = true, nil - gc_countdown - - with_signal_handler 'USR1' do - begin - ::Rack::Handler::FastCGI.serve(request, @app) - rescue SignalException, SystemExit - raise - rescue Exception => error - dispatcher_error error, 'unhandled dispatch error' - end - end - ensure - @processing = false - end - - def logger - @logger ||= Logger.new(@log_file_path) - end - - def dispatcher_log(level, msg) - time_str = Time.now.strftime("%d/%b/%Y:%H:%M:%S") - logger.send(level, "[#{time_str} :: #{$$}] #{msg}") - rescue Exception => log_error # Logger errors - STDERR << "Couldn't write to #{@log_file_path.inspect}: #{msg}\n" - STDERR << " #{log_error.class}: #{log_error.message}\n" - end - - def dispatcher_error(e, msg = "") - error_message = - "Dispatcher failed to catch: #{e} (#{e.class})\n" + - " #{e.backtrace.join("\n ")}\n#{msg}" - dispatcher_log(:error, error_message) - end - - def install_signal_handlers - GLOBAL_SIGNALS.each { |signal| install_signal_handler(signal) } - end - - def install_signal_handler(signal, handler = nil) - if SIGNALS.include?(signal) && self.class.method_defined?(name = "#{SIGNALS[signal]}_handler") - handler ||= method(name).to_proc - - begin - trap(signal, handler) - rescue ArgumentError - dispatcher_log :warn, "Ignoring unsupported signal #{signal}." - end - else - dispatcher_log :warn, "Ignoring unsupported signal #{signal}." - end - end - - def with_signal_handler(signal) - install_signal_handler(signal) - yield - ensure - install_signal_handler(signal, 'DEFAULT') - end - - def exit_now_handler(signal) - dispatcher_log :info, "asked to stop immediately" - exit - end - - def exit_handler(signal) - dispatcher_log :info, "asked to stop ASAP" - if @processing - @when_ready = :exit - else - throw :exit - end - end - - def reload_handler(signal) - dispatcher_log :info, "asked to reload ASAP" - if @processing - @when_ready = :reload - else - reload! - end - end - - def restart_handler(signal) - dispatcher_log :info, "asked to restart ASAP" - if @processing - @when_ready = :restart - else - restart! - end - end - - def restart! - config = ::Config::CONFIG - ruby = File::join(config['bindir'], config['ruby_install_name']) + config['EXEEXT'] - command_line = [ruby, $0, ARGV].flatten.join(' ') - - dispatcher_log :info, "restarted" - - # close resources as they won't be closed by - # the OS when using exec - logger.close rescue nil - Rails.logger.close rescue nil - - exec(command_line) - end - - def reload! - run_gc! if gc_request_period - restore! - @when_ready = nil - dispatcher_log :info, "reloaded" - end - - # Make a note of $" so we can safely reload this instance. - def mark_features! - @features = $".clone - end - - def restore! - $".replace @features - # TODO: Reloading the application should be the "Application"s - # responsibility - ActionDispatch::Callbacks.new(lambda {}, true) - ActionController::Routing::Routes.reload - end - - def run_gc! - @gc_request_countdown = gc_request_period - GC.enable; GC.start; GC.disable - end - - def gc_countdown - if gc_request_period - @gc_request_countdown ||= gc_request_period - @gc_request_countdown -= 1 - run_gc! if @gc_request_countdown <= 0 - end - end - - def close_connection(request) - request.finish if request - end -end diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb index b2322f90b4..78b4b057ae 100644 --- a/railties/lib/rails/generators/rails/app/app_generator.rb +++ b/railties/lib/rails/generators/rails/app/app_generator.rb @@ -18,9 +18,6 @@ module Rails::Generators class_option :template, :type => :string, :aliases => "-m", :desc => "Path to an application template (can be a filesystem path or URL)." - class_option :with_dispatchers, :type => :boolean, :aliases => "-D", :default => false, - :desc => "Add CGI/FastCGI/mod_ruby dispatchers code" - class_option :skip_activerecord, :type => :boolean, :aliases => "-O", :default => false, :desc => "Skip ActiveRecord files" @@ -113,19 +110,6 @@ module Rails::Generators directory "public", "public", :recursive => false # Do small steps, so anyone can overwrite it. end - def create_dispatch_files - return unless options[:with_dispatchers] - - template "dispatchers/dispatch.rb", "public/dispatch.rb" - chmod "public/dispatch.rb", 0755, :verbose => false - - template "dispatchers/dispatch.rb", "public/dispatch.cgi" - chmod "public/dispatch.cgi", 0755, :verbose => false - - template "dispatchers/dispatch.fcgi", "public/dispatch.fcgi" - chmod "public/dispatch.fcgi", 0755, :verbose => false - end - def create_public_image_files directory "public/images" end diff --git a/railties/lib/rails/generators/rails/app/templates/dispatchers/dispatch.fcgi b/railties/lib/rails/generators/rails/app/templates/dispatchers/dispatch.fcgi deleted file mode 100755 index f5b3b71875..0000000000 --- a/railties/lib/rails/generators/rails/app/templates/dispatchers/dispatch.fcgi +++ /dev/null @@ -1,24 +0,0 @@ -<%= shebang %> -# -# You may specify the path to the FastCGI crash log (a log of unhandled -# exceptions which forced the FastCGI instance to exit, great for debugging) -# and the number of requests to process before running garbage collection. -# -# By default, the FastCGI crash log is RAILS_ROOT/log/fastcgi.crash.log -# and the GC period is nil (turned off). A reasonable number of requests -# could range from 10-100 depending on the memory footprint of your app. -# -# Example: -# # Default log path, normal GC behavior. -# RailsFCGIHandler.process! -# -# # Default log path, 50 requests between GC. -# RailsFCGIHandler.process! nil, 50 -# -# # Custom log path, normal GC behavior. -# RailsFCGIHandler.process! '/var/log/myapp_fcgi_crash.log' -# -require File.dirname(__FILE__) + "/../config/environment" -require 'fcgi_handler' - -RailsFCGIHandler.process! diff --git a/railties/lib/rails/generators/rails/app/templates/dispatchers/dispatch.rb b/railties/lib/rails/generators/rails/app/templates/dispatchers/dispatch.rb deleted file mode 100755 index 48e888113a..0000000000 --- a/railties/lib/rails/generators/rails/app/templates/dispatchers/dispatch.rb +++ /dev/null @@ -1,10 +0,0 @@ -<%= shebang %> - -require File.dirname(__FILE__) + "/../config/environment" unless defined?(RAILS_ROOT) - -# If you're using RubyGems and mod_ruby, this require should be changed to an absolute path one, like: -# "/usr/local/lib/ruby/gems/1.8/gems/rails-0.8.0/lib/dispatcher" -- otherwise performance is severely impaired -require "dispatcher" - -ADDITIONAL_LOAD_PATHS.reverse.each { |dir| $:.unshift(dir) if File.directory?(dir) } if defined?(Apache::RubyRun) -Dispatcher.dispatch diff --git a/railties/lib/rails/generators/rails/app/templates/dispatchers/gateway.cgi b/railties/lib/rails/generators/rails/app/templates/dispatchers/gateway.cgi deleted file mode 100755 index bdc1055a22..0000000000 --- a/railties/lib/rails/generators/rails/app/templates/dispatchers/gateway.cgi +++ /dev/null @@ -1,97 +0,0 @@ -<%= shebang %> - -require 'drb' - -# This file includes an experimental gateway CGI implementation. It will work -# only on platforms which support both fork and sockets. -# -# To enable it edit public/.htaccess and replace dispatch.cgi with gateway.cgi. -# -# Next, create the directory log/drb_gateway and grant the apache user rw access -# to said directory. -# -# On the next request to your server, the gateway tracker should start up, along -# with a few listener processes. This setup should provide you with much better -# speeds than dispatch.cgi. -# -# Keep in mind that the first request made to the server will be slow, as the -# tracker and listeners will have to load. Also, the tracker and listeners will -# shutdown after a period if inactivity. You can set this value below -- the -# default is 90 seconds. - -TrackerSocket = File.expand_path(File.join(File.dirname(__FILE__), '../log/drb_gateway/tracker.sock')) -DieAfter = 90 # Seconds -Listeners = 3 - -def message(s) - $stderr.puts "gateway.cgi: #{s}" if ENV && ENV["DEBUG_GATEWAY"] -end - -def listener_socket(number) - File.expand_path(File.join(File.dirname(__FILE__), "../log/drb_gateway/listener_#{number}.sock")) -end - -unless File.exist? TrackerSocket - message "Starting tracker and #{Listeners} listeners" - fork do - Process.setsid - STDIN.reopen "/dev/null" - STDOUT.reopen "/dev/null", "a" - - root = File.expand_path(File.dirname(__FILE__) + '/..') - - message "starting tracker" - fork do - ARGV.clear - ARGV << TrackerSocket << Listeners.to_s << DieAfter.to_s - load File.join(root, 'script', 'tracker') - end - - message "starting listeners" - require File.join(root, 'config/environment.rb') - Listeners.times do |number| - fork do - ARGV.clear - ARGV << listener_socket(number) << DieAfter.to_s - load File.join(root, 'script', 'listener') - end - end - end - - message "waiting for tracker and listener to arise..." - ready = false - 10.times do - sleep 0.5 - break if (ready = File.exist?(TrackerSocket) && File.exist?(listener_socket(0))) - end - - if ready - message "tracker and listener are ready" - else - message "Waited 5 seconds, listener and tracker not ready... dropping request" - Kernel.exit 1 - end -end - -DRb.start_service - -message "connecting to tracker" -tracker = DRbObject.new_with_uri("drbunix:#{TrackerSocket}") - -input = $stdin.read -$stdin.close - -env = ENV.inspect - -output = nil -tracker.with_listener do |number| - message "connecting to listener #{number}" - socket = listener_socket(number) - listener = DRbObject.new_with_uri("drbunix:#{socket}") - output = listener.process(env, input) - message "listener #{number} has finished, writing output" -end - -$stdout.write output -$stdout.flush -$stdout.close diff --git a/railties/lib/rails/tasks/framework.rake b/railties/lib/rails/tasks/framework.rake index 17e16f26fd..16dd0af44e 100644 --- a/railties/lib/rails/tasks/framework.rake +++ b/railties/lib/rails/tasks/framework.rake @@ -110,11 +110,6 @@ namespace :rails do invoke_from_app_generator :create_prototype_files end - desc "Generate dispatcher files in RAILS_ROOT/public" - task :generate_dispatchers do - invoke_from_app_generator :create_dispatch_files - end - desc "Add new scripts to the application script/ directory" task :scripts do invoke_from_app_generator :create_script_files |