Class: Mongrel::Rails::RailsConfigurator

Inherits:
Configurator show all
Defined in:
lib/mongrel/rails.rb

Overview

Creates Rails specific configuration options for people to use instead of the base Configurator.

Instance Attribute Summary

Attributes inherited from Configurator

#defaults, #listeners, #needs_restart

Instance Method Summary collapse

Methods inherited from Configurator

#cloaker, #daemonize, #debug, #initialize, #join, #listener, #load_mime_map, #load_plugins, #load_yaml, #log, #plugin, #resolve_defaults, #run, #setup_signals, #stop, #uri

Constructor Details

This class inherits a constructor from Mongrel::Configurator

Instance Method Details

#rails(options = {}) ⇒ Object

Creates a single rails handler and returns it so you can add it to a uri. You can actually attach it to as many URIs as you want, but this returns the same RailsHandler for each call.

Requires the following options:

  • :docroot => The public dir to serve from.

  • :environment => Rails environment to use.

  • :cwd => The change to working directory

And understands the following optional settings:

  • :mime => A map of mime types.

Because of how Rails is designed you can only have one installed per Ruby interpreter (talk to them about thread safety). Because of this the first time you call this function it does all the config needed to get your rails working. After that it returns the one handler you’ve configured. This lets you attach Rails to any URI (and mulitple) you want, but still protects you from threads destroying your handler.



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# File 'lib/mongrel/rails.rb', line 121

def rails(options={})
  
  return @rails_handler if @rails_handler
  
  ops = resolve_defaults(options)
  
  # fix up some defaults
  ops[:environment] ||= "development"
  ops[:docroot] ||= "public"
  ops[:mime] ||= {}
  
  
  $orig_dollar_quote = $".clone
  ENV['RAILS_ENV'] = ops[:environment]
  require "#{ops[:cwd]}/config/environment"
  require 'dispatcher'
  require 'mongrel/rails'
  
  @rails_handler = RailsHandler.new(ops[:docroot], ops[:mime])
end

#reload! ⇒ Object

Reloads rails. This isn’t too reliable really, but should work for most minimal reload purposes. Only reliable way it so stop then start the process.



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# File 'lib/mongrel/rails.rb', line 146

def reload!
  if not @rails_handler
    raise "Rails was not configured.  Read the docs for RailsConfigurator."
  end
  
  log "Reloading rails..."
  @rails_handler.reload!
  log "Done reloading rails."
  
end

#setup_rails_signals(options = {}) ⇒ Object

Takes the exact same configuration as Mongrel::Configurator (and actually calls that) but sets up the additional HUP handler to call reload!.



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# File 'lib/mongrel/rails.rb', line 159

def setup_rails_signals(options={})
  ops = resolve_defaults(options)
  
  if RUBY_PLATFORM !~ /mswin/
    setup_signals(options)
    
    # rails reload
    trap("HUP") { 
      log "HUP signal received."
      reload!
    }
    
    log "Rails signals registered.  HUP => reload (without restart).  It might not work well."
  else
    log "WARNING:  Rails does not support signals on Win32."
  end
end