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Merge branch 'develop' of github.com:matrix-org/synapse into erikj/split_event_push_actions

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This commit is contained in:
Erik Johnston 2018-02-23 11:26:31 +00:00
commit a90c60912f
12 changed files with 570 additions and 507 deletions
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26
synapse/handlers/federation.py
View file

@ -1447,16 +1447,24 @@ class FederationHandler(BaseHandler):
auth_events=auth_events,
)
if not event.internal_metadata.is_outlier() and not backfilled:
yield self.action_generator.handle_push_actions_for_event(
event, context
)
try:
if not event.internal_metadata.is_outlier() and not backfilled:
yield self.action_generator.handle_push_actions_for_event(
event, context
)
event_stream_id, max_stream_id = yield self.store.persist_event(
event,
context=context,
backfilled=backfilled,
)
event_stream_id, max_stream_id = yield self.store.persist_event(
event,
context=context,
backfilled=backfilled,
)
except: # noqa: E722, as we reraise the exception this is fine.
# Ensure that we actually remove the entries in the push actions
# staging area
logcontext.preserve_fn(
self.store.remove_push_actions_from_staging
)(event.event_id)
raise
if not backfilled:
# this intentionally does not yield: we don't care about the result

43
synapse/replication/slave/storage/account_data.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -13,50 +14,20 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
from synapse.storage import DataStore
from synapse.storage.account_data import AccountDataStore
from synapse.storage.tags import TagsStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage._slaved_id_tracker import SlavedIdTracker
from synapse.storage.account_data import AccountDataWorkerStore
from synapse.storage.tags import TagsWorkerStore
class SlavedAccountDataStore(BaseSlavedStore):
class SlavedAccountDataStore(TagsWorkerStore, AccountDataWorkerStore, BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedAccountDataStore, self).__init__(db_conn, hs)
self._account_data_id_gen = SlavedIdTracker(
db_conn, "account_data_max_stream_id", "stream_id",
)
self._account_data_stream_cache = StreamChangeCache(
"AccountDataAndTagsChangeCache",
self._account_data_id_gen.get_current_token(),
)
get_account_data_for_user = (
AccountDataStore.__dict__["get_account_data_for_user"]
)
get_global_account_data_by_type_for_users = (
AccountDataStore.__dict__["get_global_account_data_by_type_for_users"]
)
get_global_account_data_by_type_for_user = (
AccountDataStore.__dict__["get_global_account_data_by_type_for_user"]
)
get_tags_for_user = TagsStore.__dict__["get_tags_for_user"]
get_tags_for_room = (
DataStore.get_tags_for_room.__func__
)
get_account_data_for_room = (
DataStore.get_account_data_for_room.__func__
)
get_updated_tags = DataStore.get_updated_tags.__func__
get_updated_account_data_for_user = (
DataStore.get_updated_account_data_for_user.__func__
)
super(SlavedAccountDataStore, self).__init__(db_conn, hs)
def get_max_account_data_stream_id(self):
return self._account_data_id_gen.get_current_token()

16
synapse/replication/slave/storage/events.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -18,6 +19,7 @@ from synapse.api.constants import EventTypes
from synapse.storage import DataStore
from synapse.storage.event_federation import EventFederationStore
from synapse.storage.event_push_actions import EventPushActionsWorkerStore
from synapse.storage.events_worker import EventsWorkerStore
from synapse.storage.roommember import RoomMemberStore
from synapse.storage.state import StateGroupWorkerStore
from synapse.storage.stream import StreamStore
@ -38,8 +40,8 @@ logger = logging.getLogger(__name__)
# the method descriptor on the DataStore and chuck them into our class.
class SlavedEventStore(EventPushActionsWorkerStore, StateGroupWorkerStore,
BaseSlavedStore):
class SlavedEventStore(EventPushActionsWorkerStore, EventsWorkerStore,
StateGroupWorkerStore, BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedEventStore, self).__init__(db_conn, hs)
@ -87,8 +89,6 @@ class SlavedEventStore(EventPushActionsWorkerStore, StateGroupWorkerStore,
_get_joined_hosts_cache = RoomMemberStore.__dict__["_get_joined_hosts_cache"]
has_room_changed_since = DataStore.has_room_changed_since.__func__
get_event = DataStore.get_event.__func__
get_events = DataStore.get_events.__func__
get_rooms_for_user_where_membership_is = (
DataStore.get_rooms_for_user_where_membership_is.__func__
)
@ -118,14 +118,6 @@ class SlavedEventStore(EventPushActionsWorkerStore, StateGroupWorkerStore,
_set_before_and_after = staticmethod(DataStore._set_before_and_after)
_get_events = DataStore._get_events.__func__
_get_events_from_cache = DataStore._get_events_from_cache.__func__
_invalidate_get_event_cache = DataStore._invalidate_get_event_cache.__func__
_enqueue_events = DataStore._enqueue_events.__func__
_do_fetch = DataStore._do_fetch.__func__
_fetch_event_rows = DataStore._fetch_event_rows.__func__
_get_event_from_row = DataStore._get_event_from_row.__func__
_get_rooms_for_user_where_membership_is_txn = (
DataStore._get_rooms_for_user_where_membership_is_txn.__func__
)

24
synapse/replication/slave/storage/push_rule.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -15,29 +16,15 @@
from .events import SlavedEventStore
from ._slaved_id_tracker import SlavedIdTracker
from synapse.storage import DataStore
from synapse.storage.push_rule import PushRuleStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.storage.push_rule import PushRulesWorkerStore
class SlavedPushRuleStore(SlavedEventStore):
class SlavedPushRuleStore(PushRulesWorkerStore, SlavedEventStore):
def __init__(self, db_conn, hs):
super(SlavedPushRuleStore, self).__init__(db_conn, hs)
self._push_rules_stream_id_gen = SlavedIdTracker(
db_conn, "push_rules_stream", "stream_id",
)
self.push_rules_stream_cache = StreamChangeCache(
"PushRulesStreamChangeCache",
self._push_rules_stream_id_gen.get_current_token(),
)
get_push_rules_for_user = PushRuleStore.__dict__["get_push_rules_for_user"]
get_push_rules_enabled_for_user = (
PushRuleStore.__dict__["get_push_rules_enabled_for_user"]
)
have_push_rules_changed_for_user = (
DataStore.have_push_rules_changed_for_user.__func__
)
super(SlavedPushRuleStore, self).__init__(db_conn, hs)
def get_push_rules_stream_token(self):
return (
@ -45,6 +32,9 @@ class SlavedPushRuleStore(SlavedEventStore):
self._stream_id_gen.get_current_token(),
)
def get_max_push_rules_stream_id(self):
return self._push_rules_stream_id_gen.get_current_token()
def stream_positions(self):
result = super(SlavedPushRuleStore, self).stream_positions()
result["push_rules"] = self._push_rules_stream_id_gen.get_current_token()

12
synapse/replication/slave/storage/pushers.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -16,10 +17,10 @@
from ._base import BaseSlavedStore
from ._slaved_id_tracker import SlavedIdTracker
from synapse.storage import DataStore
from synapse.storage.pusher import PusherWorkerStore
class SlavedPusherStore(BaseSlavedStore):
class SlavedPusherStore(PusherWorkerStore, BaseSlavedStore):
def __init__(self, db_conn, hs):
super(SlavedPusherStore, self).__init__(db_conn, hs)
@ -28,13 +29,6 @@ class SlavedPusherStore(BaseSlavedStore):
extra_tables=[("deleted_pushers", "stream_id")],
)
get_all_pushers = DataStore.get_all_pushers.__func__
get_pushers_by = DataStore.get_pushers_by.__func__
get_pushers_by_app_id_and_pushkey = (
DataStore.get_pushers_by_app_id_and_pushkey.__func__
)
_decode_pushers_rows = DataStore._decode_pushers_rows.__func__
def stream_positions(self):
result = super(SlavedPusherStore, self).stream_positions()
result["pushers"] = self._pushers_id_gen.get_current_token()

21
synapse/storage/__init__.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -104,9 +105,6 @@ class DataStore(RoomMemberStore, RoomStore,
db_conn, "events", "stream_ordering", step=-1,
extra_tables=[("ex_outlier_stream", "event_stream_ordering")]
)
self._account_data_id_gen = StreamIdGenerator(
db_conn, "account_data_max_stream_id", "stream_id"
)
self._presence_id_gen = StreamIdGenerator(
db_conn, "presence_stream", "stream_id"
)
@ -159,11 +157,6 @@ class DataStore(RoomMemberStore, RoomStore,
"MembershipStreamChangeCache", events_max,
)
account_max = self._account_data_id_gen.get_current_token()
self._account_data_stream_cache = StreamChangeCache(
"AccountDataAndTagsChangeCache", account_max,
)
self._presence_on_startup = self._get_active_presence(db_conn)
presence_cache_prefill, min_presence_val = self._get_cache_dict(
@ -177,18 +170,6 @@ class DataStore(RoomMemberStore, RoomStore,
prefilled_cache=presence_cache_prefill
)
push_rules_prefill, push_rules_id = self._get_cache_dict(
db_conn, "push_rules_stream",
entity_column="user_id",
stream_column="stream_id",
max_value=self._push_rules_stream_id_gen.get_current_token()[0],
)
self.push_rules_stream_cache = StreamChangeCache(
"PushRulesStreamChangeCache", push_rules_id,
prefilled_cache=push_rules_prefill,
)
max_device_inbox_id = self._device_inbox_id_gen.get_current_token()
device_inbox_prefill, min_device_inbox_id = self._get_cache_dict(
db_conn, "device_inbox",

76
synapse/storage/account_data.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -13,18 +14,46 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore
from twisted.internet import defer
from synapse.storage._base import SQLBaseStore
from synapse.storage.util.id_generators import StreamIdGenerator
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.util.caches.descriptors import cached, cachedList, cachedInlineCallbacks
import abc
import ujson as json
import logging
logger = logging.getLogger(__name__)
class AccountDataStore(SQLBaseStore):
class AccountDataWorkerStore(SQLBaseStore):
"""This is an abstract base class where subclasses must implement
`get_max_account_data_stream_id` which can be called in the initializer.
"""
# This ABCMeta metaclass ensures that we cannot be instantiated without
# the abstract methods being implemented.
__metaclass__ = abc.ABCMeta
def __init__(self, db_conn, hs):
account_max = self.get_max_account_data_stream_id()
self._account_data_stream_cache = StreamChangeCache(
"AccountDataAndTagsChangeCache", account_max,
)
super(AccountDataWorkerStore, self).__init__(db_conn, hs)
@abc.abstractmethod
def get_max_account_data_stream_id(self):
"""Get the current max stream ID for account data stream
Returns:
int
"""
raise NotImplementedError()
@cached()
def get_account_data_for_user(self, user_id):
@ -209,6 +238,36 @@ class AccountDataStore(SQLBaseStore):
"get_updated_account_data_for_user", get_updated_account_data_for_user_txn
)
@cachedInlineCallbacks(num_args=2, cache_context=True, max_entries=5000)
def is_ignored_by(self, ignored_user_id, ignorer_user_id, cache_context):
ignored_account_data = yield self.get_global_account_data_by_type_for_user(
"m.ignored_user_list", ignorer_user_id,
on_invalidate=cache_context.invalidate,
)
if not ignored_account_data:
defer.returnValue(False)
defer.returnValue(
ignored_user_id in ignored_account_data.get("ignored_users", {})
)
class AccountDataStore(AccountDataWorkerStore):
def __init__(self, db_conn, hs):
self._account_data_id_gen = StreamIdGenerator(
db_conn, "account_data_max_stream_id", "stream_id"
)
super(AccountDataStore, self).__init__(db_conn, hs)
def get_max_account_data_stream_id(self):
"""Get the current max stream id for the private user data stream
Returns:
A deferred int.
"""
return self._account_data_id_gen.get_current_token()
@defer.inlineCallbacks
def add_account_data_to_room(self, user_id, room_id, account_data_type, content):
"""Add some account_data to a room for a user.
@ -321,16 +380,3 @@ class AccountDataStore(SQLBaseStore):
"update_account_data_max_stream_id",
_update,
)
@cachedInlineCallbacks(num_args=2, cache_context=True, max_entries=5000)
def is_ignored_by(self, ignored_user_id, ignorer_user_id, cache_context):
ignored_account_data = yield self.get_global_account_data_by_type_for_user(
"m.ignored_user_list", ignorer_user_id,
on_invalidate=cache_context.invalidate,
)
if not ignored_account_data:
defer.returnValue(False)
defer.returnValue(
ignored_user_id in ignored_account_data.get("ignored_users", {})
)

365
synapse/storage/events.py
View file

@ -13,16 +13,16 @@
# 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 twisted.internet import defer, reactor
from synapse.storage.events_worker import EventsWorkerStore
from synapse.events import FrozenEvent, USE_FROZEN_DICTS
from synapse.events.utils import prune_event
from twisted.internet import defer
from synapse.events import USE_FROZEN_DICTS
from synapse.util.async import ObservableDeferred
from synapse.util.logcontext import (
preserve_fn, PreserveLoggingContext, make_deferred_yieldable
PreserveLoggingContext, make_deferred_yieldable
)
from synapse.util.logutils import log_function
from synapse.util.metrics import Measure
@ -62,16 +62,6 @@ def encode_json(json_object):
return json.dumps(json_object, ensure_ascii=False)
# These values are used in the `enqueus_event` and `_do_fetch` methods to
# control how we batch/bulk fetch events from the database.
# The values are plucked out of thing air to make initial sync run faster
# on jki.re
# TODO: Make these configurable.
EVENT_QUEUE_THREADS = 3 # Max number of threads that will fetch events
EVENT_QUEUE_ITERATIONS = 3 # No. times we block waiting for requests for events
EVENT_QUEUE_TIMEOUT_S = 0.1 # Timeout when waiting for requests for events
class _EventPeristenceQueue(object):
"""Queues up events so that they can be persisted in bulk with only one
concurrent transaction per room.
@ -200,13 +190,12 @@ def _retry_on_integrity_error(func):
return f
class EventsStore(SQLBaseStore):
class EventsStore(EventsWorkerStore):
EVENT_ORIGIN_SERVER_TS_NAME = "event_origin_server_ts"
EVENT_FIELDS_SENDER_URL_UPDATE_NAME = "event_fields_sender_url"
def __init__(self, db_conn, hs):
super(EventsStore, self).__init__(db_conn, hs)
self._clock = hs.get_clock()
self.register_background_update_handler(
self.EVENT_ORIGIN_SERVER_TS_NAME, self._background_reindex_origin_server_ts
)
@ -610,62 +599,6 @@ class EventsStore(SQLBaseStore):
defer.returnValue((to_delete, to_insert))
@defer.inlineCallbacks
def get_event(self, event_id, check_redacted=True,
get_prev_content=False, allow_rejected=False,
allow_none=False):
"""Get an event from the database by event_id.
Args:
event_id (str): The event_id of the event to fetch
check_redacted (bool): If True, check if event has been redacted
and redact it.
get_prev_content (bool): If True and event is a state event,
include the previous states content in the unsigned field.
allow_rejected (bool): If True return rejected events.
allow_none (bool): If True, return None if no event found, if
False throw an exception.
Returns:
Deferred : A FrozenEvent.
"""
events = yield self._get_events(
[event_id],
check_redacted=check_redacted,
get_prev_content=get_prev_content,
allow_rejected=allow_rejected,
)
if not events and not allow_none:
raise SynapseError(404, "Could not find event %s" % (event_id,))
defer.returnValue(events[0] if events else None)
@defer.inlineCallbacks
def get_events(self, event_ids, check_redacted=True,
get_prev_content=False, allow_rejected=False):
"""Get events from the database
Args:
event_ids (list): The event_ids of the events to fetch
check_redacted (bool): If True, check if event has been redacted
and redact it.
get_prev_content (bool): If True and event is a state event,
include the previous states content in the unsigned field.
allow_rejected (bool): If True return rejected events.
Returns:
Deferred : Dict from event_id to event.
"""
events = yield self._get_events(
event_ids,
check_redacted=check_redacted,
get_prev_content=get_prev_content,
allow_rejected=allow_rejected,
)
defer.returnValue({e.event_id: e for e in events})
@log_function
def _persist_events_txn(self, txn, events_and_contexts, backfilled,
delete_existing=False, state_delta_for_room={},
@ -1376,292 +1309,6 @@ class EventsStore(SQLBaseStore):
"have_events", f,
)
@defer.inlineCallbacks
def _get_events(self, event_ids, check_redacted=True,
get_prev_content=False, allow_rejected=False):
if not event_ids:
defer.returnValue([])
event_id_list = event_ids
event_ids = set(event_ids)
event_entry_map = self._get_events_from_cache(
event_ids,
allow_rejected=allow_rejected,
)
missing_events_ids = [e for e in event_ids if e not in event_entry_map]
if missing_events_ids:
missing_events = yield self._enqueue_events(
missing_events_ids,
check_redacted=check_redacted,
allow_rejected=allow_rejected,
)
event_entry_map.update(missing_events)
events = []
for event_id in event_id_list:
entry = event_entry_map.get(event_id, None)
if not entry:
continue
if allow_rejected or not entry.event.rejected_reason:
if check_redacted and entry.redacted_event:
event = entry.redacted_event
else:
event = entry.event
events.append(event)
if get_prev_content:
if "replaces_state" in event.unsigned:
prev = yield self.get_event(
event.unsigned["replaces_state"],
get_prev_content=False,
allow_none=True,
)
if prev:
event.unsigned = dict(event.unsigned)
event.unsigned["prev_content"] = prev.content
event.unsigned["prev_sender"] = prev.sender
defer.returnValue(events)
def _invalidate_get_event_cache(self, event_id):
self._get_event_cache.invalidate((event_id,))
def _get_events_from_cache(self, events, allow_rejected, update_metrics=True):
"""Fetch events from the caches
Args:
events (list(str)): list of event_ids to fetch
allow_rejected (bool): Whether to teturn events that were rejected
update_metrics (bool): Whether to update the cache hit ratio metrics
Returns:
dict of event_id -> _EventCacheEntry for each event_id in cache. If
allow_rejected is `False` then there will still be an entry but it
will be `None`
"""
event_map = {}
for event_id in events:
ret = self._get_event_cache.get(
(event_id,), None,
update_metrics=update_metrics,
)
if not ret:
continue
if allow_rejected or not ret.event.rejected_reason:
event_map[event_id] = ret
else:
event_map[event_id] = None
return event_map
def _do_fetch(self, conn):
"""Takes a database connection and waits for requests for events from
the _event_fetch_list queue.
"""
event_list = []
i = 0
while True:
try:
with self._event_fetch_lock:
event_list = self._event_fetch_list
self._event_fetch_list = []
if not event_list:
single_threaded = self.database_engine.single_threaded
if single_threaded or i > EVENT_QUEUE_ITERATIONS:
self._event_fetch_ongoing -= 1
return
else:
self._event_fetch_lock.wait(EVENT_QUEUE_TIMEOUT_S)
i += 1
continue
i = 0
event_id_lists = zip(*event_list)[0]
event_ids = [
item for sublist in event_id_lists for item in sublist
]
rows = self._new_transaction(
conn, "do_fetch", [], [], None, self._fetch_event_rows, event_ids
)
row_dict = {
r["event_id"]: r
for r in rows
}
# We only want to resolve deferreds from the main thread
def fire(lst, res):
for ids, d in lst:
if not d.called:
try:
with PreserveLoggingContext():
d.callback([
res[i]
for i in ids
if i in res
])
except Exception:
logger.exception("Failed to callback")
with PreserveLoggingContext():
reactor.callFromThread(fire, event_list, row_dict)
except Exception as e:
logger.exception("do_fetch")
# We only want to resolve deferreds from the main thread
def fire(evs):
for _, d in evs:
if not d.called:
with PreserveLoggingContext():
d.errback(e)
if event_list:
with PreserveLoggingContext():
reactor.callFromThread(fire, event_list)
@defer.inlineCallbacks
def _enqueue_events(self, events, check_redacted=True, allow_rejected=False):
"""Fetches events from the database using the _event_fetch_list. This
allows batch and bulk fetching of events - it allows us to fetch events
without having to create a new transaction for each request for events.
"""
if not events:
defer.returnValue({})
events_d = defer.Deferred()
with self._event_fetch_lock:
self._event_fetch_list.append(
(events, events_d)
)
self._event_fetch_lock.notify()
if self._event_fetch_ongoing < EVENT_QUEUE_THREADS:
self._event_fetch_ongoing += 1
should_start = True
else:
should_start = False
if should_start:
with PreserveLoggingContext():
self.runWithConnection(
self._do_fetch
)
logger.debug("Loading %d events", len(events))
with PreserveLoggingContext():
rows = yield events_d
logger.debug("Loaded %d events (%d rows)", len(events), len(rows))
if not allow_rejected:
rows[:] = [r for r in rows if not r["rejects"]]
res = yield make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self._get_event_from_row)(
row["internal_metadata"], row["json"], row["redacts"],
rejected_reason=row["rejects"],
)
for row in rows
],
consumeErrors=True
))
defer.returnValue({
e.event.event_id: e
for e in res if e
})
def _fetch_event_rows(self, txn, events):
rows = []
N = 200
for i in range(1 + len(events) / N):
evs = events[i * N:(i + 1) * N]
if not evs:
break
sql = (
"SELECT "
" e.event_id as event_id, "
" e.internal_metadata,"
" e.json,"
" r.redacts as redacts,"
" rej.event_id as rejects "
" FROM event_json as e"
" LEFT JOIN rejections as rej USING (event_id)"
" LEFT JOIN redactions as r ON e.event_id = r.redacts"
" WHERE e.event_id IN (%s)"
) % (",".join(["?"] * len(evs)),)
txn.execute(sql, evs)
rows.extend(self.cursor_to_dict(txn))
return rows
@defer.inlineCallbacks
def _get_event_from_row(self, internal_metadata, js, redacted,
rejected_reason=None):
with Measure(self._clock, "_get_event_from_row"):
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)
if rejected_reason:
rejected_reason = yield self._simple_select_one_onecol(
table="rejections",
keyvalues={"event_id": rejected_reason},
retcol="reason",
desc="_get_event_from_row_rejected_reason",
)
original_ev = FrozenEvent(
d,
internal_metadata_dict=internal_metadata,
rejected_reason=rejected_reason,
)
redacted_event = None
if redacted:
redacted_event = prune_event(original_ev)
redaction_id = yield self._simple_select_one_onecol(
table="redactions",
keyvalues={"redacts": redacted_event.event_id},
retcol="event_id",
desc="_get_event_from_row_redactions",
)
redacted_event.unsigned["redacted_by"] = redaction_id
# Get the redaction event.
because = yield self.get_event(
redaction_id,
check_redacted=False,
allow_none=True,
)
if because:
# It's fine to do add the event directly, since get_pdu_json
# will serialise this field correctly
redacted_event.unsigned["redacted_because"] = because
cache_entry = _EventCacheEntry(
event=original_ev,
redacted_event=redacted_event,
)
self._get_event_cache.prefill((original_ev.event_id,), cache_entry)
defer.returnValue(cache_entry)
@defer.inlineCallbacks
def count_daily_messages(self):
"""

395
synapse/storage/events_worker.py Normal file
View file

@ -0,0 +1,395 @@
# -*- coding: utf-8 -*-
# Copyright 2018 New Vector 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 twisted.internet import defer, reactor
from synapse.events import FrozenEvent
from synapse.events.utils import prune_event
from synapse.util.logcontext import (
preserve_fn, PreserveLoggingContext, make_deferred_yieldable
)
from synapse.util.metrics import Measure
from synapse.api.errors import SynapseError
from collections import namedtuple
import logging
import ujson as json
# these are only included to make the type annotations work
from synapse.events import EventBase # noqa: F401
from synapse.events.snapshot import EventContext # noqa: F401
logger = logging.getLogger(__name__)
# These values are used in the `enqueus_event` and `_do_fetch` methods to
# control how we batch/bulk fetch events from the database.
# The values are plucked out of thing air to make initial sync run faster
# on jki.re
# TODO: Make these configurable.
EVENT_QUEUE_THREADS = 3 # Max number of threads that will fetch events
EVENT_QUEUE_ITERATIONS = 3 # No. times we block waiting for requests for events
EVENT_QUEUE_TIMEOUT_S = 0.1 # Timeout when waiting for requests for events
_EventCacheEntry = namedtuple("_EventCacheEntry", ("event", "redacted_event"))
class EventsWorkerStore(SQLBaseStore):
@defer.inlineCallbacks
def get_event(self, event_id, check_redacted=True,
get_prev_content=False, allow_rejected=False,
allow_none=False):
"""Get an event from the database by event_id.
Args:
event_id (str): The event_id of the event to fetch
check_redacted (bool): If True, check if event has been redacted
and redact it.
get_prev_content (bool): If True and event is a state event,
include the previous states content in the unsigned field.
allow_rejected (bool): If True return rejected events.
allow_none (bool): If True, return None if no event found, if
False throw an exception.
Returns:
Deferred : A FrozenEvent.
"""
events = yield self._get_events(
[event_id],
check_redacted=check_redacted,
get_prev_content=get_prev_content,
allow_rejected=allow_rejected,
)
if not events and not allow_none:
raise SynapseError(404, "Could not find event %s" % (event_id,))
defer.returnValue(events[0] if events else None)
@defer.inlineCallbacks
def get_events(self, event_ids, check_redacted=True,
get_prev_content=False, allow_rejected=False):
"""Get events from the database
Args:
event_ids (list): The event_ids of the events to fetch
check_redacted (bool): If True, check if event has been redacted
and redact it.
get_prev_content (bool): If True and event is a state event,
include the previous states content in the unsigned field.
allow_rejected (bool): If True return rejected events.
Returns:
Deferred : Dict from event_id to event.
"""
events = yield self._get_events(
event_ids,
check_redacted=check_redacted,
get_prev_content=get_prev_content,
allow_rejected=allow_rejected,
)
defer.returnValue({e.event_id: e for e in events})
@defer.inlineCallbacks
def _get_events(self, event_ids, check_redacted=True,
get_prev_content=False, allow_rejected=False):
if not event_ids:
defer.returnValue([])
event_id_list = event_ids
event_ids = set(event_ids)
event_entry_map = self._get_events_from_cache(
event_ids,
allow_rejected=allow_rejected,
)
missing_events_ids = [e for e in event_ids if e not in event_entry_map]
if missing_events_ids:
missing_events = yield self._enqueue_events(
missing_events_ids,
check_redacted=check_redacted,
allow_rejected=allow_rejected,
)
event_entry_map.update(missing_events)
events = []
for event_id in event_id_list:
entry = event_entry_map.get(event_id, None)
if not entry:
continue
if allow_rejected or not entry.event.rejected_reason:
if check_redacted and entry.redacted_event:
event = entry.redacted_event
else:
event = entry.event
events.append(event)
if get_prev_content:
if "replaces_state" in event.unsigned:
prev = yield self.get_event(
event.unsigned["replaces_state"],
get_prev_content=False,
allow_none=True,
)
if prev:
event.unsigned = dict(event.unsigned)
event.unsigned["prev_content"] = prev.content
event.unsigned["prev_sender"] = prev.sender
defer.returnValue(events)
def _invalidate_get_event_cache(self, event_id):
self._get_event_cache.invalidate((event_id,))
def _get_events_from_cache(self, events, allow_rejected, update_metrics=True):
"""Fetch events from the caches
Args:
events (list(str)): list of event_ids to fetch
allow_rejected (bool): Whether to teturn events that were rejected
update_metrics (bool): Whether to update the cache hit ratio metrics
Returns:
dict of event_id -> _EventCacheEntry for each event_id in cache. If
allow_rejected is `False` then there will still be an entry but it
will be `None`
"""
event_map = {}
for event_id in events:
ret = self._get_event_cache.get(
(event_id,), None,
update_metrics=update_metrics,
)
if not ret:
continue
if allow_rejected or not ret.event.rejected_reason:
event_map[event_id] = ret
else:
event_map[event_id] = None
return event_map
def _do_fetch(self, conn):
"""Takes a database connection and waits for requests for events from
the _event_fetch_list queue.
"""
event_list = []
i = 0
while True:
try:
with self._event_fetch_lock:
event_list = self._event_fetch_list
self._event_fetch_list = []
if not event_list:
single_threaded = self.database_engine.single_threaded
if single_threaded or i > EVENT_QUEUE_ITERATIONS:
self._event_fetch_ongoing -= 1
return
else:
self._event_fetch_lock.wait(EVENT_QUEUE_TIMEOUT_S)
i += 1
continue
i = 0
event_id_lists = zip(*event_list)[0]
event_ids = [
item for sublist in event_id_lists for item in sublist
]
rows = self._new_transaction(
conn, "do_fetch", [], [], None, self._fetch_event_rows, event_ids
)
row_dict = {
r["event_id"]: r
for r in rows
}
# We only want to resolve deferreds from the main thread
def fire(lst, res):
for ids, d in lst:
if not d.called:
try:
with PreserveLoggingContext():
d.callback([
res[i]
for i in ids
if i in res
])
except Exception:
logger.exception("Failed to callback")
with PreserveLoggingContext():
reactor.callFromThread(fire, event_list, row_dict)
except Exception as e:
logger.exception("do_fetch")
# We only want to resolve deferreds from the main thread
def fire(evs):
for _, d in evs:
if not d.called:
with PreserveLoggingContext():
d.errback(e)
if event_list:
with PreserveLoggingContext():
reactor.callFromThread(fire, event_list)
@defer.inlineCallbacks
def _enqueue_events(self, events, check_redacted=True, allow_rejected=False):
"""Fetches events from the database using the _event_fetch_list. This
allows batch and bulk fetching of events - it allows us to fetch events
without having to create a new transaction for each request for events.
"""
if not events:
defer.returnValue({})
events_d = defer.Deferred()
with self._event_fetch_lock:
self._event_fetch_list.append(
(events, events_d)
)
self._event_fetch_lock.notify()
if self._event_fetch_ongoing < EVENT_QUEUE_THREADS:
self._event_fetch_ongoing += 1
should_start = True
else:
should_start = False
if should_start:
with PreserveLoggingContext():
self.runWithConnection(
self._do_fetch
)
logger.debug("Loading %d events", len(events))
with PreserveLoggingContext():
rows = yield events_d
logger.debug("Loaded %d events (%d rows)", len(events), len(rows))
if not allow_rejected:
rows[:] = [r for r in rows if not r["rejects"]]
res = yield make_deferred_yieldable(defer.gatherResults(
[
preserve_fn(self._get_event_from_row)(
row["internal_metadata"], row["json"], row["redacts"],
rejected_reason=row["rejects"],
)
for row in rows
],
consumeErrors=True
))
defer.returnValue({
e.event.event_id: e
for e in res if e
})
def _fetch_event_rows(self, txn, events):
rows = []
N = 200
for i in range(1 + len(events) / N):
evs = events[i * N:(i + 1) * N]
if not evs:
break
sql = (
"SELECT "
" e.event_id as event_id, "
" e.internal_metadata,"
" e.json,"
" r.redacts as redacts,"
" rej.event_id as rejects "
" FROM event_json as e"
" LEFT JOIN rejections as rej USING (event_id)"
" LEFT JOIN redactions as r ON e.event_id = r.redacts"
" WHERE e.event_id IN (%s)"
) % (",".join(["?"] * len(evs)),)
txn.execute(sql, evs)
rows.extend(self.cursor_to_dict(txn))
return rows
@defer.inlineCallbacks
def _get_event_from_row(self, internal_metadata, js, redacted,
rejected_reason=None):
with Measure(self._clock, "_get_event_from_row"):
d = json.loads(js)
internal_metadata = json.loads(internal_metadata)
if rejected_reason:
rejected_reason = yield self._simple_select_one_onecol(
table="rejections",
keyvalues={"event_id": rejected_reason},
retcol="reason",
desc="_get_event_from_row_rejected_reason",
)
original_ev = FrozenEvent(
d,
internal_metadata_dict=internal_metadata,
rejected_reason=rejected_reason,
)
redacted_event = None
if redacted:
redacted_event = prune_event(original_ev)
redaction_id = yield self._simple_select_one_onecol(
table="redactions",
keyvalues={"redacts": redacted_event.event_id},
retcol="event_id",
desc="_get_event_from_row_redactions",
)
redacted_event.unsigned["redacted_by"] = redaction_id
# Get the redaction event.
because = yield self.get_event(
redaction_id,
check_redacted=False,
allow_none=True,
)
if because:
# It's fine to do add the event directly, since get_pdu_json
# will serialise this field correctly
redacted_event.unsigned["redacted_because"] = because
cache_entry = _EventCacheEntry(
event=original_ev,
redacted_event=redacted_event,
)
self._get_event_cache.prefill((original_ev.event_id,), cache_entry)
defer.returnValue(cache_entry)

72
synapse/storage/push_rule.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -15,10 +16,12 @@
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cachedInlineCallbacks, cachedList
from synapse.util.caches.stream_change_cache import StreamChangeCache
from synapse.push.baserules import list_with_base_rules
from synapse.api.constants import EventTypes
from twisted.internet import defer
import abc
import logging
import simplejson as json
@ -48,7 +51,39 @@ def _load_rules(rawrules, enabled_map):
return rules
class PushRuleStore(SQLBaseStore):
class PushRulesWorkerStore(SQLBaseStore):
"""This is an abstract base class where subclasses must implement
`get_max_push_rules_stream_id` which can be called in the initializer.
"""
# This ABCMeta metaclass ensures that we cannot be instantiated without
# the abstract methods being implemented.
__metaclass__ = abc.ABCMeta
def __init__(self, db_conn, hs):
super(PushRulesWorkerStore, self).__init__(db_conn, hs)
push_rules_prefill, push_rules_id = self._get_cache_dict(
db_conn, "push_rules_stream",
entity_column="user_id",
stream_column="stream_id",
max_value=self.get_max_push_rules_stream_id(),
)
self.push_rules_stream_cache = StreamChangeCache(
"PushRulesStreamChangeCache", push_rules_id,
prefilled_cache=push_rules_prefill,
)
@abc.abstractmethod
def get_max_push_rules_stream_id(self):
"""Get the position of the push rules stream.
Returns:
int
"""
raise NotImplementedError()
@cachedInlineCallbacks(max_entries=5000)
def get_push_rules_for_user(self, user_id):
rows = yield self._simple_select_list(
@ -89,6 +124,24 @@ class PushRuleStore(SQLBaseStore):
r['rule_id']: False if r['enabled'] == 0 else True for r in results
})
def have_push_rules_changed_for_user(self, user_id, last_id):
if not self.push_rules_stream_cache.has_entity_changed(user_id, last_id):
return defer.succeed(False)
else:
def have_push_rules_changed_txn(txn):
sql = (
"SELECT COUNT(stream_id) FROM push_rules_stream"
" WHERE user_id = ? AND ? < stream_id"
)
txn.execute(sql, (user_id, last_id))
count, = txn.fetchone()
return bool(count)
return self.runInteraction(
"have_push_rules_changed", have_push_rules_changed_txn
)
class PushRuleStore(PushRulesWorkerStore):
@cachedList(cached_method_name="get_push_rules_for_user",
list_name="user_ids", num_args=1, inlineCallbacks=True)
def bulk_get_push_rules(self, user_ids):
@ -526,21 +579,8 @@ class PushRuleStore(SQLBaseStore):
room stream ordering it corresponds to."""
return self._push_rules_stream_id_gen.get_current_token()
def have_push_rules_changed_for_user(self, user_id, last_id):
if not self.push_rules_stream_cache.has_entity_changed(user_id, last_id):
return defer.succeed(False)
else:
def have_push_rules_changed_txn(txn):
sql = (
"SELECT COUNT(stream_id) FROM push_rules_stream"
" WHERE user_id = ? AND ? < stream_id"
)
txn.execute(sql, (user_id, last_id))
count, = txn.fetchone()
return bool(count)
return self.runInteraction(
"have_push_rules_changed", have_push_rules_changed_txn
)
def get_max_push_rules_stream_id(self):
return self.get_push_rules_stream_token()[0]
class RuleNotFoundException(Exception):

11
synapse/storage/pusher.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -27,7 +28,7 @@ import types
logger = logging.getLogger(__name__)
class PusherStore(SQLBaseStore):
class PusherWorkerStore(SQLBaseStore):
def _decode_pushers_rows(self, rows):
for r in rows:
dataJson = r['data']
@ -102,9 +103,6 @@ class PusherStore(SQLBaseStore):
rows = yield self.runInteraction("get_all_pushers", get_pushers)
defer.returnValue(rows)
def get_pushers_stream_token(self):
return self._pushers_id_gen.get_current_token()
def get_all_updated_pushers(self, last_id, current_id, limit):
if last_id == current_id:
return defer.succeed(([], []))
@ -177,6 +175,11 @@ class PusherStore(SQLBaseStore):
"get_all_updated_pushers_rows", get_all_updated_pushers_rows_txn
)
class PusherStore(PusherWorkerStore):
def get_pushers_stream_token(self):
return self._pushers_id_gen.get_current_token()
@cachedInlineCallbacks(num_args=1, max_entries=15000)
def get_if_user_has_pusher(self, user_id):
# This only exists for the cachedList decorator

16
synapse/storage/tags.py
View file

@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -13,7 +14,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from ._base import SQLBaseStore
from synapse.storage.account_data import AccountDataWorkerStore
from synapse.util.caches.descriptors import cached
from twisted.internet import defer
@ -23,15 +25,7 @@ import logging
logger = logging.getLogger(__name__)
class TagsStore(SQLBaseStore):
def get_max_account_data_stream_id(self):
"""Get the current max stream id for the private user data stream
Returns:
A deferred int.
"""
return self._account_data_id_gen.get_current_token()
class TagsWorkerStore(AccountDataWorkerStore):
@cached()
def get_tags_for_user(self, user_id):
"""Get all the tags for a user.
@ -170,6 +164,8 @@ class TagsStore(SQLBaseStore):
row["tag"]: json.loads(row["content"]) for row in rows
})
class TagsStore(TagsWorkerStore):
@defer.inlineCallbacks
def add_tag_to_room(self, user_id, room_id, tag, content):
"""Add a tag to a room for a user.