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Cache federation state responses

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This commit is contained in:
Erik Johnston 2016-07-21 10:30:12 +01:00
parent e9e3eaa67d
commit 248e6770ca
5 changed files with 61 additions and 33 deletions
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13
synapse/util/caches/response_cache.py
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@ -24,9 +24,12 @@ class ResponseCache(object):
used rather than trying to compute a new response.
"""
def __init__(self):
def __init__(self, hs, timeout_ms=0):
self.pending_result_cache = {} # Requests that haven't finished yet.
self.clock = hs.get_clock()
self.timeout_sec = timeout_ms / 1000.
def get(self, key):
result = self.pending_result_cache.get(key)
if result is not None:
@ -39,7 +42,13 @@ class ResponseCache(object):
self.pending_result_cache[key] = result
def remove(r):
self.pending_result_cache.pop(key, None)
if self.timeout_sec:
self.clock.call_later(
self.timeout_sec,
self.pending_result_cache.pop, key, None,
)
else:
self.pending_result_cache.pop(key, None)
return r
result.addBoth(remove)