openstreetmap-website/config/initializers/session_store.rb
Tom Hughes 4d7c3db62c Use cache store for sessions when memcached is not available
Using cookie store is problematic because there is a limit to the
amount of session data you can store, and we sometimes overflow.
2012-03-06 10:42:37 +00:00

35 lines
1.1 KiB
Ruby

# Be sure to restart your server when you modify this file.
if defined?(MEMCACHE_SERVERS)
unless STATUS == :database_offline or STATUS == :database_readonly
module Rack
module Session
class Memcache
def get_session(env, sid)
with_lock(env, [nil, {}]) do
unless sid and session = @pool.get(sid)
if sid and s = ActiveRecord::SessionStore::SqlBypass.find_by_session_id(sid)
session = s.data
s.destroy
else
sid, session = generate_sid, {}
end
unless /^STORED/ =~ @pool.add(sid, session)
raise "Session collision on '#{sid.inspect}'"
end
end
[sid, session]
end
end
end
end
end
end
cache = MemCache.new(:namespace => "rails:session", :string_return_types => true)
OpenStreetMap::Application.config.session_store :mem_cache_store, :cache => cache, :key => "_osm_session"
else
OpenStreetMap::Application.config.session_store :cache_store, :key => '_osm_session'
end