memcached session store

memcached_session_store.rb

# Memcached config                                                                                                         
    memcache_config = YAML.load_file("#{RAILS_ROOT}/config/memcached.yml")[RAILS_ENV]
    if memcache_config.nil?
      raise ArgumentError.new("[ environment.rb ] Memcached configurations could not be found for RAILS_ENV => #{RAILS_ENV}")
    end
  
    require 'memcache'
    CACHE = MemCache.new(:namespace => "abril-id-#{RAILS_ENV}")
    CACHE.servers = memcache_config['servers']
    
    config.action_controller.session_store = :mem_cache_store
    config.action_controller.session = {
      :session_key => '_abril_id_session',
      :secret      => '49d3fc7d49f23bc2a2fe7f755d3b466bbb4e02121d980acb0f6c7b6e32d9697a458b5cf583e26d27c3ad8e4743a48ec9d4d93bd2d7c2fad1e3e32b6f09f2e971',
      :cache       => CACHE,
      :expires     => memcache_config['expires']
    }
    
    if defined?(PhusionPassenger)
        PhusionPassenger.on_event(:starting_worker_process) do |forked|
            if forked
                CACHE.reset
            end
        end
    end