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author | Joshua Peek <josh@joshpeek.com> | 2009-05-29 16:06:21 -0500 |
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committer | Joshua Peek <josh@joshpeek.com> | 2009-05-29 16:06:21 -0500 |
commit | 69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3 (patch) | |
tree | 044c2131cc87d21ee54027511aae2b7f2d2ae26a /actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/session/pool.rb | |
parent | 5f3f100ce2d689480da85abc88e5e940cf90189e (diff) | |
parent | 5ec2c7dc29b36d85b2658465b8a979deb0529d7e (diff) | |
download | rails-69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3.tar.gz rails-69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3.tar.bz2 rails-69742ca8fa05509f7d7c5512cb6d8e002ecb3ab3.zip |
Merge branch 'master' into active_model
Conflicts:
activemodel/lib/active_model/core.rb
activemodel/test/cases/state_machine/event_test.rb
activemodel/test/cases/state_machine/state_transition_test.rb
activerecord/lib/active_record/validations.rb
activerecord/test/cases/validations/i18n_validation_test.rb
activeresource/lib/active_resource.rb
activeresource/test/abstract_unit.rb
Diffstat (limited to 'actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/session/pool.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/session/pool.rb | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/session/pool.rb b/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/session/pool.rb new file mode 100644 index 0000000000..f6f87408bb --- /dev/null +++ b/actionpack/lib/action_dispatch/vendor/rack-1.1.pre/rack/session/pool.rb @@ -0,0 +1,100 @@ +# AUTHOR: blink <blinketje@gmail.com>; blink#ruby-lang@irc.freenode.net +# THANKS: +# apeiros, for session id generation, expiry setup, and threadiness +# sergio, threadiness and bugreps + +require 'rack/session/abstract/id' +require 'thread' + +module Rack + module Session + # 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 with 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 + + class Pool < Abstract::ID + attr_reader :mutex, :pool + DEFAULT_OPTIONS = Abstract::ID::DEFAULT_OPTIONS.merge :drop => false + + def initialize(app, options={}) + super + @pool = Hash.new + @mutex = Mutex.new + end + + def generate_sid + loop do + sid = super + break sid unless @pool.key? sid + end + end + + def get_session(env, sid) + session = @pool[sid] if sid + @mutex.lock if env['rack.multithread'] + unless sid and session + env['rack.errors'].puts("Session '#{sid.inspect}' not found, initializing...") if $VERBOSE and not sid.nil? + session = {} + sid = generate_sid + @pool.store sid, session + end + session.instance_variable_set('@old', {}.merge(session)) + return [sid, session] + ensure + @mutex.unlock if env['rack.multithread'] + end + + def set_session(env, session_id, new_session, options) + @mutex.lock if env['rack.multithread'] + session = @pool[session_id] + if options[:renew] or options[:drop] + @pool.delete session_id + return false if options[:drop] + session_id = generate_sid + @pool.store session_id, 0 + end + old_session = new_session.instance_variable_get('@old') || {} + session = merge_sessions session_id, old_session, new_session, session + @pool.store session_id, session + return session_id + rescue + warn "#{new_session.inspect} has been lost." + warn $!.inspect + ensure + @mutex.unlock if env['rack.multithread'] + end + + private + + def merge_sessions sid, old, new, cur=nil + cur ||= {} + unless Hash === old and Hash === new + warn 'Bad old or new sessions provided.' + return cur + end + + delete = old.keys - new.keys + warn "//@#{sid}: dropping #{delete*','}" if $DEBUG and not delete.empty? + delete.each{|k| cur.delete k } + + update = new.keys.select{|k| new[k] != old[k] } + warn "//@#{sid}: updating #{update*','}" if $DEBUG and not update.empty? + update.each{|k| cur[k] = new[k] } + + cur + end + end + end +end |