class Rack::Session::Pool
Rack::Session::Pool provides simple cookie based session management. Session data is stored in a hash held by @pool. In the context of a multithreaded environment, sessions being committed to the pool is done in a merging manner.
The :drop option is available in rack.session.options if you wish to explicitly remove the session from the session cache.
Example:
myapp = MyRackApp.new sessioned = Rack::Session::Pool.new(myapp, :domain => 'foo.com', :expire_after => 2592000 ) Rack::Handler::WEBrick.run sessioned
Constants
- DEFAULT_OPTIONS
Attributes
mutex[R]
pool[R]
Public Class Methods
new(app, options={})
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Calls superclass method
Rack::Session::Abstract::ID.new
# File lib/rack/session/pool.rb, line 31 def initialize(app, options={}) super @pool = Hash.new @mutex = Mutex.new end
Public Instance Methods
destroy_session(env, session_id, options)
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# File lib/rack/session/pool.rb, line 61 def destroy_session(env, session_id, options) with_lock(env) do @pool.delete(session_id) generate_sid unless options[:drop] end end
generate_sid()
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Calls superclass method
Rack::Session::Abstract::ID#generate_sid
# File lib/rack/session/pool.rb, line 37 def generate_sid loop do sid = super break sid unless @pool.key? sid end end
get_session(env, sid)
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# File lib/rack/session/pool.rb, line 44 def get_session(env, sid) with_lock(env) do unless sid and session = @pool[sid] sid, session = generate_sid, {} @pool.store sid, session end [sid, session] end end
set_session(env, session_id, new_session, options)
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# File lib/rack/session/pool.rb, line 54 def set_session(env, session_id, new_session, options) with_lock(env) do @pool.store session_id, new_session session_id end end
with_lock(env) { || ... }
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# File lib/rack/session/pool.rb, line 68 def with_lock(env) @mutex.lock if env['rack.multithread'] yield ensure @mutex.unlock if @mutex.locked? end