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Cache check to see if device exists
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parent
dcabef952c
commit
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@ -18,7 +18,7 @@ import ujson as json
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from twisted.internet import defer
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from synapse.api.errors import StoreError
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from ._base import SQLBaseStore
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from ._base import SQLBaseStore, Cache
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from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks
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@ -29,6 +29,12 @@ class DeviceStore(SQLBaseStore):
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def __init__(self, hs):
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super(DeviceStore, self).__init__(hs)
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self.device_id_exists_cache = Cache(
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name="device_id_exists",
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keylen=2,
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max_entries=10000,
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)
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self._clock.looping_call(
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self._prune_old_outbound_device_pokes, 60 * 60 * 1000
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)
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@ -54,6 +60,10 @@ class DeviceStore(SQLBaseStore):
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defer.Deferred: boolean whether the device was inserted or an
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existing device existed with that ID.
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"""
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key = (user_id, device_id)
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if self.device_id_exists_cache.get(key, None):
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defer.returnValue(False)
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try:
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inserted = yield self._simple_insert(
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"devices",
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@ -65,6 +75,7 @@ class DeviceStore(SQLBaseStore):
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desc="store_device",
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or_ignore=True,
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)
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self.device_id_exists_cache.prefill(key, True)
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defer.returnValue(inserted)
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except Exception as e:
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logger.error("store_device with device_id=%s(%r) user_id=%s(%r)"
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