# Mark Huang <mlhuang@cs.princeton.edu>
#
# Copyright (C) 2004-2006 The Trustees of Princeton University
-# $Id$
-# $URL$
#
+import os
import sys
import traceback
import string
import xmlrpclib
import simplejson
+# use this one
+json=simplejson
+#try:
+# # Try to use jsonlib before using simpljson. This is a hack to get around
+# # the fact that the version of simplejson available for f8 is slightly
+# # faster than xmlrpc but not as fast as jsonlib. There is no jsonlib
+# # package available for f8, so this has to be installed manually and
+# # is not expected to always be available. Remove this once we move away
+# # from f8 based MyPLC's
+# import jsonlib
+# json = jsonlib
+#except:
+# json = simplejson
# See "2.2 Characters" in the XML specification:
#
else:
raise PLCAPIError, "Unsupported database type " + self.config.PLC_DB_TYPE
- # Aspects modify the API injecting code before/after method
- # calls. As of now we only have aspects for OMF integration,
- # that's why we enable aspects only if PLC_OMF is set to true.
- if self.config.PLC_OMF_ENABLED:
- from aspects import apply_aspects; apply_aspects()
+ # Aspects modify the API by injecting code before, after or
+ # around method calls. -- http://github.com/baris/pyaspects/blob/master/README
+ #
+ if self.config.PLC_RATELIMIT_ENABLED:
+ from aspects import apply_ratelimit_aspect
+ apply_ratelimit_aspect()
+
+ if getattr(self.config, "PLC_NETCONFIG_ENABLED", False):
+ from aspects.netconfigaspects import apply_netconfig_aspect
+ apply_netconfig_aspect()
+
+ # Enable Caching. Only for GetSlivers for the moment.
+ # TODO: we may consider to do this in an aspect like the ones above.
+ try:
+ if self.config.PLC_GETSLIVERS_CACHE:
+ getslivers_cache = True
+ except AttributeError:
+ getslivers_cache = False
+
+ if getslivers_cache:
+ os.environ['DJANGO_SETTINGS_MODULE']='plc_django_settings'
+ from cache_utils.decorators import cached
+ from PLC.Methods.GetSlivers import GetSlivers
+
+ @cached(7200)
+ def cacheable_call(cls, auth, node_id_or_hostname):
+ return cls.raw_call(auth, node_id_or_hostname)
+
+ GetSlivers.call = cacheable_call
+
def callable(self, method):
"""
Handle a JSON request
"""
- method, args = simplejson.loads(data)
+ method, args = json.loads(data)
try:
result = self.call(source, method, *args)
except Exception, e:
result = str(e)
- return simplejson.dumps(result)
+ return json.dumps(result)