forked-synapse/synapse/storage/presence.py
Mark Haines 54172924c8 Load the current id in the IdGenerator constructor
Rather than loading them lazily. This allows us to remove all
the yield statements and spurious arguments for the get_next
methods.

It also allows us to replace all instances of get_next_txn with
get_next since get_next no longer needs to access the db.
2016-03-01 14:32:56 +00:00

240 lines
8.7 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2016 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
from synapse.api.constants import PresenceState
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from collections import namedtuple
from twisted.internet import defer
class UserPresenceState(namedtuple("UserPresenceState",
("user_id", "state", "last_active_ts",
"last_federation_update_ts", "last_user_sync_ts",
"status_msg", "currently_active"))):
"""Represents the current presence state of the user.
user_id (str)
last_active (int): Time in msec that the user last interacted with server.
last_federation_update (int): Time in msec since either a) we sent a presence
update to other servers or b) we received a presence update, depending
on if is a local user or not.
last_user_sync (int): Time in msec that the user last *completed* a sync
(or event stream).
status_msg (str): User set status message.
"""
def copy_and_replace(self, **kwargs):
return self._replace(**kwargs)
@classmethod
def default(cls, user_id):
"""Returns a default presence state.
"""
return cls(
user_id=user_id,
state=PresenceState.OFFLINE,
last_active_ts=0,
last_federation_update_ts=0,
last_user_sync_ts=0,
status_msg=None,
currently_active=False,
)
class PresenceStore(SQLBaseStore):
@defer.inlineCallbacks
def update_presence(self, presence_states):
stream_ordering_manager = self._presence_id_gen.get_next_mult(
len(presence_states)
)
with stream_ordering_manager as stream_orderings:
yield self.runInteraction(
"update_presence",
self._update_presence_txn, stream_orderings, presence_states,
)
defer.returnValue((stream_orderings[-1], self._presence_id_gen.get_max_token()))
def _update_presence_txn(self, txn, stream_orderings, presence_states):
for stream_id, state in zip(stream_orderings, presence_states):
txn.call_after(
self.presence_stream_cache.entity_has_changed,
state.user_id, stream_id,
)
# Actually insert new rows
self._simple_insert_many_txn(
txn,
table="presence_stream",
values=[
{
"stream_id": stream_id,
"user_id": state.user_id,
"state": state.state,
"last_active_ts": state.last_active_ts,
"last_federation_update_ts": state.last_federation_update_ts,
"last_user_sync_ts": state.last_user_sync_ts,
"status_msg": state.status_msg,
"currently_active": state.currently_active,
}
for state in presence_states
],
)
# Delete old rows to stop database from getting really big
sql = (
"DELETE FROM presence_stream WHERE"
" stream_id < ?"
" AND user_id IN (%s)"
)
batches = (
presence_states[i:i + 50]
for i in xrange(0, len(presence_states), 50)
)
for states in batches:
args = [stream_id]
args.extend(s.user_id for s in states)
txn.execute(
sql % (",".join("?" for _ in states),),
args
)
@defer.inlineCallbacks
def get_presence_for_users(self, user_ids):
rows = yield self._simple_select_many_batch(
table="presence_stream",
column="user_id",
iterable=user_ids,
keyvalues={},
retcols=(
"user_id",
"state",
"last_active_ts",
"last_federation_update_ts",
"last_user_sync_ts",
"status_msg",
"currently_active",
),
)
for row in rows:
row["currently_active"] = bool(row["currently_active"])
defer.returnValue([UserPresenceState(**row) for row in rows])
def get_current_presence_token(self):
return self._presence_id_gen.get_max_token()
def allow_presence_visible(self, observed_localpart, observer_userid):
return self._simple_insert(
table="presence_allow_inbound",
values={"observed_user_id": observed_localpart,
"observer_user_id": observer_userid},
desc="allow_presence_visible",
or_ignore=True,
)
def disallow_presence_visible(self, observed_localpart, observer_userid):
return self._simple_delete_one(
table="presence_allow_inbound",
keyvalues={"observed_user_id": observed_localpart,
"observer_user_id": observer_userid},
desc="disallow_presence_visible",
)
def is_presence_visible(self, observed_localpart, observer_userid):
return self._simple_select_one(
table="presence_allow_inbound",
keyvalues={"observed_user_id": observed_localpart,
"observer_user_id": observer_userid},
retcols=["observed_user_id"],
allow_none=True,
desc="is_presence_visible",
)
def add_presence_list_pending(self, observer_localpart, observed_userid):
return self._simple_insert(
table="presence_list",
values={"user_id": observer_localpart,
"observed_user_id": observed_userid,
"accepted": False},
desc="add_presence_list_pending",
)
@defer.inlineCallbacks
def set_presence_list_accepted(self, observer_localpart, observed_userid):
result = yield self._simple_update_one(
table="presence_list",
keyvalues={"user_id": observer_localpart,
"observed_user_id": observed_userid},
updatevalues={"accepted": True},
desc="set_presence_list_accepted",
)
self.get_presence_list_accepted.invalidate((observer_localpart,))
self.get_presence_list_observers_accepted.invalidate((observed_userid,))
defer.returnValue(result)
def get_presence_list(self, observer_localpart, accepted=None):
if accepted:
return self.get_presence_list_accepted(observer_localpart)
else:
keyvalues = {"user_id": observer_localpart}
if accepted is not None:
keyvalues["accepted"] = accepted
return self._simple_select_list(
table="presence_list",
keyvalues=keyvalues,
retcols=["observed_user_id", "accepted"],
desc="get_presence_list",
)
@cached()
def get_presence_list_accepted(self, observer_localpart):
return self._simple_select_list(
table="presence_list",
keyvalues={"user_id": observer_localpart, "accepted": True},
retcols=["observed_user_id", "accepted"],
desc="get_presence_list_accepted",
)
@cachedInlineCallbacks()
def get_presence_list_observers_accepted(self, observed_userid):
user_localparts = yield self._simple_select_onecol(
table="presence_list",
keyvalues={"observed_user_id": observed_userid, "accepted": True},
retcol="user_id",
desc="get_presence_list_accepted",
)
defer.returnValue([
"@%s:%s" % (u, self.hs.hostname,) for u in user_localparts
])
@defer.inlineCallbacks
def del_presence_list(self, observer_localpart, observed_userid):
yield self._simple_delete_one(
table="presence_list",
keyvalues={"user_id": observer_localpart,
"observed_user_id": observed_userid},
desc="del_presence_list",
)
self.get_presence_list_accepted.invalidate((observer_localpart,))
self.get_presence_list_observers_accepted.invalidate((observed_userid,))