Class: Rack::Session::Moneta

Inherits:
Abstract::ID
  • Object
show all
Defined in:
lib/rack/session/moneta.rb

Direct Known Subclasses

ActionDispatch::Session::MonetaStore

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}, &block) ⇒ Moneta

Returns a new instance of Moneta.



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# File 'lib/rack/session/moneta.rb', line 11

def initialize(app, options = {}, &block)
  super
  if block
    raise ArgumentError, 'Use either block or option :store' if options[:store]
    @pool = ::Moneta.build(&block)
  else
    raise ArgumentError, 'Block or option :store is required' unless @pool = options[:store]
    @pool = ::Moneta.new(@pool, :expires => true) if Symbol === @pool
  end
  @pool = ::Moneta::WeakCreate.new(@pool) unless @pool.supports?(:create)
  @mutex = ::Mutex.new
end

Instance Attribute Details

#mutex ⇒ Object (readonly) 



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# File 'lib/rack/session/moneta.rb', line 9

def mutex
  @mutex
end

#pool ⇒ Object (readonly) 



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# File 'lib/rack/session/moneta.rb', line 9

def pool
  @pool
end

Instance Method Details

#destroy_session(env, session_id, options) ⇒ Object 



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# File 'lib/rack/session/moneta.rb', line 51

def destroy_session(env, session_id, options)
  with_lock(env) do
    @pool.delete(session_id)
    generate_sid unless options[:drop]
  end
end

#generate_sid ⇒ Object 



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# File 'lib/rack/session/moneta.rb', line 24

def generate_sid
  loop do
    sid = super
    break sid unless @pool.key?(sid)
  end
end

#get_session(env, sid) ⇒ Object 



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# File 'lib/rack/session/moneta.rb', line 31

def get_session(env, sid)
  with_lock(env) do
    unless sid && session = @pool[sid]
      session = {}
      begin
        sid = generate_sid
      end until @pool.create(sid, session)
    end
    [sid, session]
  end
end

#set_session(env, session_id, new_session, options) ⇒ Object 



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# File 'lib/rack/session/moneta.rb', line 43

def set_session(env, session_id, new_session, options)
  with_lock(env) do
    @pool.store(session_id, new_session,
                options[:expire_after] ? { :expires => options[:expire_after] } : {})
    session_id
  end
end

#with_lock(env) ⇒ Object 



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# File 'lib/rack/session/moneta.rb', line 58

def with_lock(env)
  @mutex.lock if env['rack.multithread']
  yield
ensure
  @mutex.unlock if @mutex.locked?
end