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Added cache-cleaning to the idmapper base class. This works to sync most changes from the admin site-side, but not location changes (which leaves the content cache stale). Thinking of testing the django in-built cache framework instead, maybe using custom fields?

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This commit is contained in:
Griatch 2013-05-25 10:20:26 +02:00
parent 0a39b8f65e
commit deafb9c544
3 changed files with 28 additions and 4 deletions
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29
src/server/caches.py
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@ -6,6 +6,8 @@ Central caching module.
from sys import getsizeof
from collections import defaultdict
from django.conf import settings
from src.server.models import ServerConfig
from src.utils.utils import to_str, uses_database
_ENABLE_LOCAL_CACHES = settings.GAME_CACHE_TYPE
@ -13,6 +15,12 @@ _GA = object.__getattribute__
_SA = object.__setattr__
_DA = object.__delattr__
if uses_database("mysql") and ServerConfig.objects.get_mysql_db_version() < '5.6.4':
# mysql <5.6.4 don't support millisecond precision
_DATESTRING = "%Y:%m:%d-%H:%M:%S:000000"
else:
_DATESTRING = "%Y:%m:%d-%H:%M:%S:%f"
# OOB hooks (OOB not yet functional, don't use yet)
_OOB_FIELD_UPDATE_HOOKS = defaultdict(dict)
_OOB_PROP_UPDATE_HOOKS = defaultdict(dict)
@ -35,12 +43,12 @@ def hashid(obj):
hid = _GA(obj, "_hashid")
except AttributeError:
try:
date, idnum = _GA(obj, "db_date_created"), _GA(obj, "id")
date, idnum = _GA(obj, "db_date_created").strftime(_DATESTRING), _GA(obj, "id")
except AttributeError:
try:
# maybe a typeclass, try to go to dbobj
obj = _GA(obj, "dbobj")
date, idnum = _GA(obj, "db_date_created"), _GA(obj, "id")
date, idnum = _GA(obj, "db_date_created").strftime(_DATESTRING), _GA(obj, "id")
except AttributeError:
# this happens if hashing something like ndb. We have to
# rely on memory adressing in this case.
@ -194,7 +202,10 @@ if _ENABLE_LOCAL_CACHES:
hid = hashid(obj)
global _FIELD_CACHE
if hid:
del _FIELD_CACHE[hashid(obj)]
try:
del _FIELD_CACHE[hashid(obj)]
except KeyError, e:
pass
else:
# clean cache completely
_FIELD_CACHE = defaultdict(dict)
@ -241,7 +252,10 @@ if _ENABLE_LOCAL_CACHES:
hid = hashid(obj)
global _PROP_CACHE
if hid:
del _PROP_CACHE[hashid(obj)]
try:
del _PROP_CACHE[hid]
except KeyError,e:
pass
else:
# clean cache completely
_PROP_CACHE = defaultdict(dict)
@ -295,6 +309,13 @@ if _ENABLE_LOCAL_CACHES:
_ATTR_CACHE = defaultdict(dict)
def flush_obj_caches(obj=None):
"Clean all caches on this object"
flush_field_cache(obj)
flush_prop_cache(obj)
flush_attr_cache(obj)
else:
# local caches disabled. Use simple pass-through replacements