Merge pull request #833 from matrix-org/markjh/client_ips

Move insert_client_ip to a separate class
This commit is contained in:
Mark Haines 2016-06-03 14:51:03 +01:00
commit c367ba5dd2
2 changed files with 71 additions and 45 deletions

View File

@ -17,7 +17,7 @@ from twisted.internet import defer
from .appservice import (
ApplicationServiceStore, ApplicationServiceTransactionStore
)
from ._base import Cache, LoggingTransaction
from ._base import LoggingTransaction
from .directory import DirectoryStore
from .events import EventsStore
from .presence import PresenceStore, UserPresenceState
@ -45,6 +45,7 @@ from .search import SearchStore
from .tags import TagsStore
from .account_data import AccountDataStore
from .openid import OpenIdStore
from .client_ips import ClientIpStore
from .util.id_generators import IdGenerator, StreamIdGenerator, ChainedIdGenerator
@ -58,12 +59,6 @@ import logging
logger = logging.getLogger(__name__)
# Number of msec of granularity to store the user IP 'last seen' time. Smaller
# times give more inserts into the database even for readonly API hits
# 120 seconds == 2 minutes
LAST_SEEN_GRANULARITY = 120 * 1000
class DataStore(RoomMemberStore, RoomStore,
RegistrationStore, StreamStore, ProfileStore,
PresenceStore, TransactionStore,
@ -84,6 +79,7 @@ class DataStore(RoomMemberStore, RoomStore,
AccountDataStore,
EventPushActionsStore,
OpenIdStore,
ClientIpStore,
):
def __init__(self, db_conn, hs):
@ -91,11 +87,6 @@ class DataStore(RoomMemberStore, RoomStore,
self._clock = hs.get_clock()
self.database_engine = hs.database_engine
self.client_ip_last_seen = Cache(
name="client_ip_last_seen",
keylen=4,
)
self._stream_id_gen = StreamIdGenerator(
db_conn, "events", "stream_ordering",
extra_tables=[("local_invites", "stream_id")]
@ -216,39 +207,6 @@ class DataStore(RoomMemberStore, RoomStore,
return [UserPresenceState(**row) for row in rows]
@defer.inlineCallbacks
def insert_client_ip(self, user, access_token, ip, user_agent):
now = int(self._clock.time_msec())
key = (user.to_string(), access_token, ip)
try:
last_seen = self.client_ip_last_seen.get(key)
except KeyError:
last_seen = None
# Rate-limited inserts
if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
defer.returnValue(None)
self.client_ip_last_seen.prefill(key, now)
# It's safe not to lock here: a) no unique constraint,
# b) LAST_SEEN_GRANULARITY makes concurrent updates incredibly unlikely
yield self._simple_upsert(
"user_ips",
keyvalues={
"user_id": user.to_string(),
"access_token": access_token,
"ip": ip,
"user_agent": user_agent,
},
values={
"last_seen": now,
},
desc="insert_client_ip",
lock=False,
)
@defer.inlineCallbacks
def count_daily_users(self):
"""

View File

@ -0,0 +1,68 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore, Cache
from twisted.internet import defer
# Number of msec of granularity to store the user IP 'last seen' time. Smaller
# times give more inserts into the database even for readonly API hits
# 120 seconds == 2 minutes
LAST_SEEN_GRANULARITY = 120 * 1000
class ClientIpStore(SQLBaseStore):
def __init__(self, hs):
self.client_ip_last_seen = Cache(
name="client_ip_last_seen",
keylen=4,
)
super(ClientIpStore, self).__init__(hs)
@defer.inlineCallbacks
def insert_client_ip(self, user, access_token, ip, user_agent):
now = int(self._clock.time_msec())
key = (user.to_string(), access_token, ip)
try:
last_seen = self.client_ip_last_seen.get(key)
except KeyError:
last_seen = None
# Rate-limited inserts
if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
defer.returnValue(None)
self.client_ip_last_seen.prefill(key, now)
# It's safe not to lock here: a) no unique constraint,
# b) LAST_SEEN_GRANULARITY makes concurrent updates incredibly unlikely
yield self._simple_upsert(
"user_ips",
keyvalues={
"user_id": user.to_string(),
"access_token": access_token,
"ip": ip,
"user_agent": user_agent,
},
values={
"last_seen": now,
},
desc="insert_client_ip",
lock=False,
)