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# CGI::Session#create_new_id requires 'digest/md5' on every call. This makes
# sense when spawning processes per request, but is unnecessarily expensive
# when serving requests from a long-lived process.
#
# http://railsexpress.de/blog/articles/2005/11/22/speeding-up-the-creation-of-new-sessions
require 'cgi/session'
require 'digest/md5'
class CGI
class Session #:nodoc:
private
# Create a new session id.
#
# The session id is an MD5 hash based upon the time,
# a random number, and a constant string. This routine
# is used internally for automatically generated
# session ids.
def create_new_id
md5 = Digest::MD5::new
now = Time::now
md5.update(now.to_s)
md5.update(String(now.usec))
md5.update(String(rand(0)))
md5.update(String($$))
md5.update('foobar')
@new_session = true
md5.hexdigest
end
end
end
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