A Drb server, typically used to host the application caches (sessions, application scoped variables, og cache, fragment cache, etc).

Example

require ‘nitro/server/drb

class MyDrbServer < Nitro::DrbServer 

  def setup_drb_objects
    ...
  end

end

MyDrbServer.start

Methods
Public Class methods
start()

A helper method to start the DRb server.

[ show source ]

     # File lib/nitro/state.rb, line 105
105:   def self.start
106:     self.new.start
107:   end
Public Instance methods
parse_options()

Parse the command line arguments.

[ show source ]

    # File lib/nitro/state.rb, line 40
40:   def parse_options
41:     parser = OptionParser.new do |opts|
42:       opts.banner = "Usage: #$0 [options]"
43:       opts.separator ''
44:       opts.separator 'Specific options:'
45: 
46:       opts.on('-D', '--debug', 'Run in debug mode.') do |p|
47:         @debug = true
48:       end
49: 
50:       opts.on('-d', '--daemon', 'Run as daemon.') do |p|
51:         @daemon = true
52:       end
53: 
54:       opts.on_tail('-h', '--help', 'Show this message.') do
55:         puts opts
56:         exit
57:       end
58:     end
59: 
60:     begin
61:       parser.parse!(ARGV)
62:     rescue OptionParser::InvalidOption
63:       puts 'Invalid option, pass the --help parameter to get help!' 
64:       exit
65:     end
66:   end
setup_drb()

[ show source ]

    # File lib/nitro/state.rb, line 78
78:   def setup_drb
79:     setup_drb_objects()
80:     DRb.thread.join    
81:   end
setup_drb_objects()

Override in your application to setup your custom objects. The default implementation only creates a session store.

[ show source ]

    # File lib/nitro/state.rb, line 71
71:   def setup_drb_objects
72:     require 'nitro/session/drb'
73:     @session_cache = SyncHash.new 
74:     DRb.start_service("druby://#{Session.cache_address}:#{Session.cache_port}", @session_cache)    
75:     puts "Drb session cache at druby://#{Session.cache_address}:#{Session.cache_port}."
76:   end
start()

Start the DRb server.

This method is also aliased as start!

[ show source ]

     # File lib/nitro/state.rb, line 88
 88:   def start
 89:     parse_options
 90: 
 91:     if @daemon
 92:       require "facets/core/kernel/daemonize"
 93: 
 94:       daemonize()
 95: 
 96:       # Save a process sentinel file.
 97:       FileUtils.touch(File.join(".temp","d#{Process.pid}.pid"))
 98:     end
 99:     setup_drb()
100:   end
start!()

Alias for #start