Class: Rack::Session::Mongo

Inherits:
Abstract::ID
  • Object
show all
Defined in:
lib/rack_session_mongo.rb

Constant Summary collapse

DEFAULT_OPTIONS = 
Rack::Session::Abstract::ID::DEFAULT_OPTIONS.merge :drop => false

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Mongo

Returns a new instance of Mongo.



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# File 'lib/rack_session_mongo.rb', line 6

def initialize(app, options={})
    super
    @coll = options[:collection]
    @pool={}
    @coll.find.each do |x|
        @pool.store x[:sid], x[:session]
    end
    @mutex = Mutex.new
end

Instance Method Details

#delete(sid) ⇒ Object 



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# File 'lib/rack_session_mongo.rb', line 25

def delete(sid)
    @pool.delete(sid)
    @coll.delete(:sid => sid)
end

#delete_session(req, session_id, options) ⇒ Object 



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# File 'lib/rack_session_mongo.rb', line 50

def delete_session(req, session_id, options)
    with_lock(req) do
        delete(session_id)
        generate_sid unless options[:drop]
    end
end

#find_session(req, sid) ⇒ Object Also known as: get_session 



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# File 'lib/rack_session_mongo.rb', line 35

def find_session(req, sid)
    with_lock(req) do
        unless sid and session=get(sid) 
            sid, session = generate_sid, {}
            store sid, session
        end
        [sid, session]
    end
end

#generate_sid ⇒ Object 



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# File 'lib/rack_session_mongo.rb', line 29

def generate_sid
    loop do
        sid = super
        break sid unless include?(sid)
    end
end

#get(sid) ⇒ Object 



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# File 'lib/rack_session_mongo.rb', line 22

def get(sid)
    @pool[sid]
end

#include?(sid) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack_session_mongo.rb', line 15

def include?(sid)
    @pool.has_key? sid
end

#store(sid, session) ⇒ Object 



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# File 'lib/rack_session_mongo.rb', line 18

def store(sid,session)
    @pool.store sid, session
    @coll.update_one({:sid => sid},{:sid => sid, :session => session},{:upsert => true})
end

#with_lock(req) ⇒ Object 



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# File 'lib/rack_session_mongo.rb', line 56

def with_lock(req)
    @mutex.lock
    yield
    ensure
    @mutex.unlock if @mutex.locked?
end

#write_session(req, session_id, new_session, options) ⇒ Object Also known as: set_session 



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# File 'lib/rack_session_mongo.rb', line 44

def write_session(req, session_id, new_session, options)
    with_lock(req) do
        store session_id, new_session
        session_id
    end
end