112 lines
3.5 KiB
Python
Executable File
112 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: iso-8859-15 -*-
|
|
|
|
|
|
# Glasnost
|
|
# By: Odile Bénassy <obenassy@entrouvert.com>
|
|
# Romain Chantereau <rchantereau@entrouvert.com>
|
|
# Nicolas Clapiès <nclapies@easter-eggs.org>
|
|
# Pierre-Antoine Dejace <padejace@entrouvert.be>
|
|
# Thierry Dulieu <tdulieu@easter-eggs.com>
|
|
# Florent Monnier <monnier@codelutin.com>
|
|
# Cédric Musso <cmusso@easter-eggs.org>
|
|
# Frédéric Péters <fpeters@entrouvert.be>
|
|
# Benjamin Poussin <poussin@codelutin.com>
|
|
# Emmanuel Raviart <eraviart@entrouvert.com>
|
|
# Sébastien Régnier <regnier@codelutin.com>
|
|
# Emmanuel Saracco <esaracco@easter-eggs.com>
|
|
#
|
|
# Copyright (C) 2000, 2001 Easter-eggs & Emmanuel Raviart
|
|
# Copyright (C) 2002 Odile Bénassy, Code Lutin, Thierry Dulieu, Easter-eggs,
|
|
# Entr'ouvert, Frédéric Péters, Benjamin Poussin, Emmanuel Raviart,
|
|
# Emmanuel Saracco & Théridion
|
|
# Copyright (C) 2003 Odile Bénassy, Romain Chantereau, Nicolas Clapiès,
|
|
# Code Lutin, Pierre-Antoine Dejace, Thierry Dulieu, Easter-eggs,
|
|
# Entr'ouvert, Florent Monnier, Cédric Musso, Ouvaton, Frédéric Péters,
|
|
# Benjamin Poussin, Rodolphe Quiédeville, Emmanuel Raviart, Sébastien
|
|
# Régnier, Emmanuel Saracco, Théridion & Vecam
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
|
|
__doc__ = """Glasnost Cache"""
|
|
|
|
__version__ = '$Revision$'[11:-2]
|
|
|
|
|
|
import sys
|
|
import time
|
|
|
|
glasnostPythonDir = '/usr/local/lib/glasnost-devel' # changed on make install
|
|
sys.path.insert(0, glasnostPythonDir)
|
|
|
|
import glasnost
|
|
|
|
import glasnost.common.faults as faults
|
|
|
|
from glasnost.server.ObjectsServer import Server, VirtualServer
|
|
from glasnost.server.tools import *
|
|
|
|
|
|
applicationName = 'Cache'
|
|
applicationRole = 'cache' # no!
|
|
dispatcher = None
|
|
|
|
|
|
class CacheVirtualServer(VirtualServer):
|
|
pass
|
|
|
|
|
|
class Cache(Server):
|
|
VirtualServer = CacheVirtualServer
|
|
hasMultipleVirtualServers = 0
|
|
invalidatedKeys = {}
|
|
invalidatedKeyStarts = {}
|
|
useDataFile = 0
|
|
|
|
def invalidateKeyStart(self, keyStart):
|
|
self.invalidatedKeyStarts[keyStart] = time.time()
|
|
return keyStart
|
|
|
|
def invalidateValue(self, key):
|
|
self.invalidatedKeys[key] = time.time()
|
|
return key
|
|
|
|
def isValueStillValid(self, key, timeCached):
|
|
if not self.invalidatedKeys.has_key(key):
|
|
k = [x
|
|
for x in self.invalidatedKeyStarts.keys()
|
|
if key.startswith(x)]
|
|
if len(k) and self.invalidatedKeyStarts[k[0]] > timeCached:
|
|
return key
|
|
return ''
|
|
if self.invalidatedKeys[key] < timeCached:
|
|
return ''
|
|
return key
|
|
|
|
def registerPublicMethods(self):
|
|
Server.registerPublicMethods(self)
|
|
self.registerPublicMethod('invalidateKeyStart')
|
|
self.registerPublicMethod('invalidateValue')
|
|
self.registerPublicMethod('isValueStillValid')
|
|
|
|
|
|
cache = Cache()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cache.launch(applicationName, applicationRole)
|
|
|