diff --git a/synapse/util/caches/lrucache.py b/synapse/util/caches/lrucache.py
index e6a66dc041..f7423f2fab 100644
--- a/synapse/util/caches/lrucache.py
+++ b/synapse/util/caches/lrucache.py
@@ -37,7 +37,7 @@ class LruCache(object):
"""
def __init__(self, max_size, keylen=1, cache_type=dict):
cache = cache_type()
- self.size = 0
+ self.cache = cache # Used for introspection.
list_root = []
list_root[:] = [list_root, list_root, None, None]
@@ -60,7 +60,6 @@ class LruCache(object):
prev_node[NEXT] = node
next_node[PREV] = node
cache[key] = node
- self.size += 1
def move_node_to_front(node):
prev_node = node[PREV]
@@ -79,7 +78,6 @@ class LruCache(object):
next_node = node[NEXT]
prev_node[NEXT] = next_node
next_node[PREV] = prev_node
- self.size -= 1
@synchronized
def cache_get(key, default=None):
@@ -98,7 +96,7 @@ class LruCache(object):
node[VALUE] = value
else:
add_node(key, value)
- if self.size > max_size:
+ if len(cache) > max_size:
todelete = list_root[PREV]
delete_node(todelete)
cache.pop(todelete[KEY], None)
@@ -110,7 +108,7 @@ class LruCache(object):
return node[VALUE]
else:
add_node(key, value)
- if self.size > max_size:
+ if len(cache) > max_size:
todelete = list_root[PREV]
delete_node(todelete)
cache.pop(todelete[KEY], None)
@@ -145,7 +143,7 @@ class LruCache(object):
@synchronized
def cache_len():
- return self.size
+ return len(cache)
@synchronized
def cache_contains(key):
|
