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Use the same path for incremental with gap or without gap

This commit is contained in:
Erik Johnston 2016-01-27 17:06:52 +00:00
parent b97f6626b6
commit aca3193efb
3 changed files with 147 additions and 212 deletions

View file

@ -72,7 +72,7 @@ class JoinedSyncResult(collections.namedtuple("JoinedSyncResult", [
)
class ArchivedSyncResult(collections.namedtuple("JoinedSyncResult", [
class ArchivedSyncResult(collections.namedtuple("ArchivedSyncResult", [
"room_id", # str
"timeline", # TimelineBatch
"state", # dict[(str, str), FrozenEvent]
@ -429,44 +429,20 @@ class SyncHandler(BaseHandler):
defer.returnValue((now_token, ephemeral_by_room))
@defer.inlineCallbacks
def full_state_sync_for_archived_room(self, room_id, sync_config,
leave_event_id, leave_token,
timeline_since_token, tags_by_room,
account_data_by_room):
"""Sync a room for a client which is starting without any state
Returns:
A Deferred JoinedSyncResult.
A Deferred ArchivedSyncResult.
"""
batch = yield self.load_filtered_recents(
room_id, sync_config, leave_token, since_token=timeline_since_token
return self.incremental_sync_for_archived_room(
sync_config, room_id, leave_event_id, timeline_since_token, tags_by_room,
account_data_by_room, full_state=True, leave_token=leave_token,
)
leave_state = yield self.store.get_state_for_event(leave_event_id)
leave_state = {
(e.type, e.state_key): e
for e in sync_config.filter_collection.filter_room_state(
leave_state.values()
)
}
account_data = self.account_data_for_room(
room_id, tags_by_room, account_data_by_room
)
account_data = sync_config.filter_collection.filter_room_account_data(
account_data
)
defer.returnValue(ArchivedSyncResult(
room_id=room_id,
timeline=batch,
state=leave_state,
account_data=account_data,
))
@defer.inlineCallbacks
def incremental_sync_with_gap(self, sync_config, since_token):
""" Get the incremental delta needed to bring the client up to
@ -512,174 +488,128 @@ class SyncHandler(BaseHandler):
sync_config.user
)
user_id = sync_config.user.to_string()
timeline_limit = sync_config.filter_collection.timeline_limit()
tags_by_room = yield self.store.get_updated_tags(
sync_config.user.to_string(),
user_id,
since_token.account_data_key,
)
account_data, account_data_by_room = (
yield self.store.get_updated_account_data_for_user(
sync_config.user.to_string(),
user_id,
since_token.account_data_key,
)
)
# Get a list of membership change events that have happened.
rooms_changed = yield self.store.get_room_changes_for_user(
sync_config.user.to_string(), since_token.room_key, now_token.room_key
user_id, since_token.room_key, now_token.room_key
)
mem_change_events_by_room_id = {}
for event in rooms_changed:
mem_change_events_by_room_id.setdefault(event.room_id, []).append(event)
newly_joined_rooms = []
archived = []
invited = []
for room_id, events in mem_change_events_by_room_id.items():
non_joins = [e for e in events if e.membership != Membership.JOIN]
has_join = len(non_joins) != len(events)
# We want to figure out if we joined the room at some point since
# the last sync (even if we have since left). This is to make sure
# we do send down the room, and with full state, where necessary
if room_id in joined_room_ids or has_join:
old_state = yield self.get_state_at(room_id, since_token)
old_mem_ev = old_state.get((EventTypes.Member, user_id), None)
if not old_mem_ev or old_mem_ev.membership != Membership.JOIN:
newly_joined_rooms.append(room_id)
if room_id in joined_room_ids:
continue
if not non_joins:
continue
# Only bother if we're still currently invited
should_invite = non_joins[-1].membership == Membership.INVITE
if should_invite:
room_sync = InvitedSyncResult(room_id, invite=non_joins[-1])
if room_sync:
invited.append(room_sync)
# Always include leave/ban events. Just take the last one.
# TODO: How do we handle ban -> leave in same batch?
leave_events = [
e for e in non_joins
if e.membership in (Membership.LEAVE, Membership.BAN)
]
if leave_events:
leave_event = leave_events[-1]
room_sync = yield self.incremental_sync_for_archived_room(
sync_config, room_id, leave_event.event_id, since_token,
tags_by_room, account_data_by_room,
full_state=room_id in newly_joined_rooms
)
if room_sync:
archived.append(room_sync)
# Get all events for rooms we're currently joined to.
room_to_events = yield self.store.get_room_events_stream_for_rooms(
room_ids=room_ids,
room_ids=joined_room_ids,
from_key=since_token.room_key,
to_key=now_token.room_key,
limit=timeline_limit + 1,
)
room_events = [
event
for events, _ in room_to_events.values()
for event in events
]
room_events.extend(rooms_changed)
# room_events, _ = yield self.store.get_room_events_stream(
# sync_config.user.to_string(),
# from_key=since_token.room_key,
# to_key=now_token.room_key,
# limit=timeline_limit + 1,
# )
joined = []
archived = []
if len(room_events) <= timeline_limit:
# There is no gap in any of the rooms. Therefore we can just
# partition the new events by room and return them.
logger.debug("Got %i events for incremental sync - not limited",
len(room_events))
invite_events = []
leave_events = []
events_by_room_id = {}
for event in room_events:
events_by_room_id.setdefault(event.room_id, []).append(event)
if event.room_id not in joined_room_ids:
if (event.type == EventTypes.Member
and event.state_key == sync_config.user.to_string()):
if event.membership == Membership.INVITE:
invite_events.append(event)
elif event.membership in (Membership.LEAVE, Membership.BAN):
leave_events.append(event)
# We loop through all room ids, even if there are no new events, in case
# there are non room events taht we need to notify about.
for room_id in joined_room_ids:
recents = events_by_room_id.get(room_id, [])
logger.debug("Events for room %s: %r", room_id, recents)
state = {
(event.type, event.state_key): event
for event in recents if event.is_state()}
limited = False
room_entry = room_to_events.get(room_id, None)
if recents:
prev_batch = now_token.copy_and_replace(
"room_key", recents[0].internal_metadata.before
if room_entry:
events, start_key = room_entry
prev_batch_token = now_token.copy_and_replace("room_key", start_key)
newly_joined_room = room_id in newly_joined_rooms
full_state = newly_joined_room
batch = yield self.load_filtered_recents(
room_id, sync_config, prev_batch_token,
since_token=since_token,
recents=events,
newly_joined_room=newly_joined_room,
)
else:
prev_batch = now_token
just_joined = yield self.check_joined_room(sync_config, state)
if just_joined:
logger.debug("User has just joined %s: needs full state",
room_id)
state = yield self.get_state_at(room_id, now_token)
# the timeline is inherently limited if we've just joined
limited = True
recents = sync_config.filter_collection.filter_room_timeline(recents)
state = {
(e.type, e.state_key): e
for e in sync_config.filter_collection.filter_room_state(
state.values()
batch = TimelineBatch(
events=[],
prev_batch=since_token,
limited=False,
)
}
full_state = False
acc_data = self.account_data_for_room(
room_id, tags_by_room, account_data_by_room
)
acc_data = sync_config.filter_collection.filter_room_account_data(
acc_data
)
ephemeral = sync_config.filter_collection.filter_room_ephemeral(
ephemeral_by_room.get(room_id, [])
)
room_sync = JoinedSyncResult(
room_id=room_id,
timeline=TimelineBatch(
events=recents,
prev_batch=prev_batch,
limited=limited,
),
state=state,
ephemeral=ephemeral,
account_data=acc_data,
unread_notifications={},
)
logger.debug("Result for room %s: %r", room_id, room_sync)
if room_sync:
notifs = yield self.unread_notifs_for_room_id(
room_id, sync_config, all_ephemeral_by_room
)
if notifs is not None:
notif_dict = room_sync.unread_notifications
notif_dict["notification_count"] = len(notifs)
notif_dict["highlight_count"] = len([
1 for notif in notifs
if _action_has_highlight(notif["actions"])
])
joined.append(room_sync)
else:
logger.debug("Got %i events for incremental sync - hit limit",
len(room_events))
invite_events = yield self.store.get_invites_for_user(
sync_config.user.to_string()
)
leave_events = yield self.store.get_leave_and_ban_events_for_user(
sync_config.user.to_string()
)
for room_id in joined_room_ids:
room_sync = yield self.incremental_sync_with_gap_for_room(
room_id, sync_config, since_token, now_token,
ephemeral_by_room, tags_by_room, account_data_by_room,
room_id=room_id,
sync_config=sync_config,
since_token=since_token,
now_token=now_token,
ephemeral_by_room=ephemeral_by_room,
tags_by_room=tags_by_room,
account_data_by_room=account_data_by_room,
all_ephemeral_by_room=all_ephemeral_by_room,
batch=batch,
full_state=full_state,
)
if room_sync:
joined.append(room_sync)
for leave_event in leave_events:
room_sync = yield self.incremental_sync_for_archived_room(
sync_config, leave_event, since_token, tags_by_room,
account_data_by_room
)
if room_sync:
archived.append(room_sync)
invited = [
InvitedSyncResult(room_id=event.room_id, invite=event)
for event in invite_events
]
account_data_for_user = sync_config.filter_collection.filter_account_data(
self.account_data_for_user(account_data)
)
@ -699,12 +629,10 @@ class SyncHandler(BaseHandler):
@defer.inlineCallbacks
def load_filtered_recents(self, room_id, sync_config, now_token,
since_token=None):
since_token=None, recents=None, newly_joined_room=False):
"""
:returns a Deferred TimelineBatch
"""
limited = True
recents = []
filtering_factor = 2
timeline_limit = sync_config.filter_collection.timeline_limit()
load_limit = max(timeline_limit * filtering_factor, 100)
@ -712,11 +640,27 @@ class SyncHandler(BaseHandler):
room_key = now_token.room_key
end_key = room_key
limited = recents is None or newly_joined_room or timeline_limit < len(recents)
if recents is not None:
recents = sync_config.filter_collection.filter_room_timeline(recents)
recents = yield self._filter_events_for_client(
sync_config.user.to_string(),
recents,
is_peeking=sync_config.is_guest,
)
else:
recents = []
since_key = None
if since_token and not newly_joined_room:
since_key = since_token.room_key
while limited and len(recents) < timeline_limit and max_repeat:
events, end_key = yield self.store.get_recent_room_events_stream_for_room(
events, end_key = yield self.store.get_room_events_stream_for_room(
room_id,
limit=load_limit + 1,
from_key=since_token.room_key if since_token else None,
from_key=since_key,
to_key=end_key,
)
loaded_recents = sync_config.filter_collection.filter_room_timeline(events)
@ -727,6 +671,7 @@ class SyncHandler(BaseHandler):
)
loaded_recents.extend(recents)
recents = loaded_recents
if len(events) <= load_limit:
limited = False
break
@ -742,7 +687,9 @@ class SyncHandler(BaseHandler):
)
defer.returnValue(TimelineBatch(
events=recents, prev_batch=prev_batch_token, limited=limited
events=recents,
prev_batch=prev_batch_token,
limited=limited or newly_joined_room
))
@defer.inlineCallbacks
@ -750,24 +697,8 @@ class SyncHandler(BaseHandler):
since_token, now_token,
ephemeral_by_room, tags_by_room,
account_data_by_room,
all_ephemeral_by_room):
""" Get the incremental delta needed to bring the client up to date for
the room. Gives the client the most recent events and the changes to
state.
Returns:
A Deferred JoinedSyncResult
"""
logger.debug("Doing incremental sync for room %s between %s and %s",
room_id, since_token, now_token)
# TODO(mjark): Check for redactions we might have missed.
batch = yield self.load_filtered_recents(
room_id, sync_config, now_token, since_token,
)
logger.debug("Recents %r", batch)
all_ephemeral_by_room,
batch, full_state=False):
if batch.limited:
current_state = yield self.get_state_at(room_id, now_token)
@ -832,36 +763,39 @@ class SyncHandler(BaseHandler):
defer.returnValue(room_sync)
@defer.inlineCallbacks
def incremental_sync_for_archived_room(self, sync_config, leave_event,
def incremental_sync_for_archived_room(self, sync_config, room_id, leave_event_id,
since_token, tags_by_room,
account_data_by_room):
account_data_by_room, full_state,
leave_token=None):
""" Get the incremental delta needed to bring the client up to date for
the archived room.
Returns:
A Deferred ArchivedSyncResult
"""
if not leave_token:
stream_token = yield self.store.get_stream_token_for_event(
leave_event.event_id
leave_event_id
)
leave_token = since_token.copy_and_replace("room_key", stream_token)
if since_token.is_after(leave_token):
if since_token and since_token.is_after(leave_token):
defer.returnValue(None)
batch = yield self.load_filtered_recents(
leave_event.room_id, sync_config, leave_token, since_token,
room_id, sync_config, leave_token, since_token,
)
logger.debug("Recents %r", batch)
state_events_at_leave = yield self.store.get_state_for_event(
leave_event.event_id
leave_event_id
)
if not full_state:
state_at_previous_sync = yield self.get_state_at(
leave_event.room_id, stream_position=since_token
room_id, stream_position=since_token
)
state_events_delta = yield self.compute_state_delta(
@ -869,6 +803,8 @@ class SyncHandler(BaseHandler):
previous_state=state_at_previous_sync,
current_state=state_events_at_leave,
)
else:
state_events_delta = state_events_at_leave
state_events_delta = {
(e.type, e.state_key): e
@ -878,7 +814,7 @@ class SyncHandler(BaseHandler):
}
account_data = self.account_data_for_room(
leave_event.room_id, tags_by_room, account_data_by_room
room_id, tags_by_room, account_data_by_room
)
account_data = sync_config.filter_collection.filter_room_account_data(
@ -886,7 +822,7 @@ class SyncHandler(BaseHandler):
)
room_sync = ArchivedSyncResult(
room_id=leave_event.room_id,
room_id=room_id,
timeline=batch,
state=state_events_delta,
account_data=account_data,

View file

@ -128,7 +128,6 @@ class EventsStore(SQLBaseStore):
is_new_state=is_new_state,
current_state=current_state,
)
logger.info("Invalidating %r at %r", event.room_id, stream_ordering)
self._events_stream_cache.room_has_changed(None, event.room_id, stream_ordering)
except _RollbackButIsFineException:
pass

View file

@ -179,7 +179,7 @@ class StreamStore(SQLBaseStore):
room_ids = list(room_ids)
for rm_ids in (room_ids[i:i+20] for i in xrange(0, len(room_ids), 20)):
res = yield defer.gatherResults([
self.get_recent_room_events_stream_for_room(
self.get_room_events_stream_for_room(
room_id, from_key, to_key, limit
).addCallback(lambda r, rm: (rm, r), room_id)
for room_id in room_ids
@ -189,7 +189,7 @@ class StreamStore(SQLBaseStore):
defer.returnValue(results)
@defer.inlineCallbacks
def get_recent_room_events_stream_for_room(self, room_id, from_key, to_key, limit=0):
def get_room_events_stream_for_room(self, room_id, from_key, to_key, limit=0):
if from_key is not None:
from_id = RoomStreamToken.parse_stream_token(from_key).stream
else:
@ -246,7 +246,7 @@ class StreamStore(SQLBaseStore):
key = from_key
return ret, key
res = yield self.runInteraction("get_recent_room_events_stream_for_room", f)
res = yield self.runInteraction("get_room_events_stream_for_room", f)
defer.returnValue(res)
def get_room_changes_for_user(self, user_id, from_key, to_key):