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Added the possibility to specify atomatic expiration for the memcachd session container (closes #3571) [Stefan Kaes]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3465 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2006-01-22 22:21:26 +00:00
parent 554aa2e1e9
commit 6236d518f2
2 changed files with 20 additions and 12 deletions
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2
actionpack/CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Added the possibility to specify atomatic expiration for the memcachd session container #3571 [Stefan Kaes]
* Change layout discovery to take into account the change in semantics with File.join and nil arguments. [Marcel Molina Jr.]
* Raise a RedirectBackError if redirect_to :back is called when there's no HTTP_REFERER defined #3049 [kevin.clark@gmail.com]

30
actionpack/lib/action_controller/session/mem_cache_store.rb
View file

@ -25,30 +25,38 @@ begin
# Create a new CGI::Session::MemCache instance
#
# This constructor is used internally by CGI::Session. The
# This constructor is used internally by CGI::Session. The
# user does not generally need to call it directly.
#
# +session+ is the session for which this instance is being
# created. The session id must only contain alphanumeric
# created. The session id must only contain alphanumeric
# characters; automatically generated session ids observe
# this requirement.
#
# +option+ is a hash of options for the initializer. The
# +options+ is a hash of options for the initializer. The
# following options are recognized:
#
# cache:: an instance of a MemCache client to use as the
# session cache.
#
# expires:: an expiry time value to use for session entries in
# the session cache. +expires+ is interpreted in seconds
# relative to the current time if it’s less than 60*60*24*30
# (30 days), or as an absolute Unix time (e.g., Time#to_i) if
# greater. If +expires+ is +0+, or not passed on +options+,
# the entry will never expire.
#
# This session's memcache entry will be created if it does
# not exist, or retrieved if it does.
def initialize(session, options = {})
id = session.session_id
unless check_id(id)
raise ArgumentError, "session_id '%s' is invalid" % id
end
end
@cache = options['cache'] || MemCache.new('localhost')
@session_key = "session:#{id}"
@hash = {}
@expires = options['expires'] || 0
@session_key = "session:#{id}"
@session_data = {}
end
# Restore session state from the session's memcache entry.
@ -56,18 +64,16 @@ begin
# Returns the session state as a hash.
def restore
begin
@hash = @cache[@session_key]
@session_data = @cache[@session_key] || {}
rescue
# Ignore session get failures.
@session_data = {}
end
@hash = {} unless @hash
@hash
end
# Save session state to the session's memcache entry.
def update
begin
@cache[@session_key] = @hash
@cache.set(@session_key, @session_data, @expires)
rescue
# Ignore session update failures.
end
@ -85,7 +91,7 @@ begin
rescue
# Ignore session delete failures.
end
@hash = {}
@session_data = {}
end
end
end