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Merge pull request #332 from matrix-org/rav/full_state_sync 

Implement full_state incremental sync
This commit is contained in:
Richard van der Hoff 2015-10-28 14:04:39 +00:00
parent d0b1968a4c c79c4f9b14
commit 234d6f9f3e
2 changed files with 38 additions and 19 deletions
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49
synapse/handlers/sync.py
View File

@ -113,15 +113,20 @@ class SyncHandler(BaseHandler):
self.clock = hs.get_clock()
@defer.inlineCallbacks
def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0):
def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0,
full_state=False):
"""Get the sync for a client if we have new data for it now. Otherwise
wait for new data to arrive on the server. If the timeout expires, then
return an empty sync result.
Returns:
A Deferred SyncResult.
"""
if timeout == 0 or since_token is None:
result = yield self.current_sync_for_user(sync_config, since_token)
if timeout == 0 or since_token is None or full_state:
# we are going to return immediately, so don't bother calling
# notifier.wait_for_events.
result = yield self.current_sync_for_user(sync_config, since_token,
full_state=full_state)
defer.returnValue(result)
else:
def current_sync_callback(before_token, after_token):
@ -146,19 +151,24 @@ class SyncHandler(BaseHandler):
)
defer.returnValue(result)
def current_sync_for_user(self, sync_config, since_token=None):
def current_sync_for_user(self, sync_config, since_token=None,
full_state=False):
"""Get the sync for client needed to match what the server has now.
Returns:
A Deferred SyncResult.
"""
if since_token is None:
return self.initial_sync(sync_config)
if since_token is None or full_state:
return self.full_state_sync(sync_config, since_token)
else:
return self.incremental_sync_with_gap(sync_config, since_token)
@defer.inlineCallbacks
def initial_sync(self, sync_config):
"""Get a sync for a client which is starting without any state
def full_state_sync(self, sync_config, timeline_since_token):
"""Get a sync for a client which is starting without any state.
If a 'message_since_token' is given, only timeline events which have
happened since that token will be returned.
Returns:
A Deferred SyncResult.
"""
@ -192,8 +202,12 @@ class SyncHandler(BaseHandler):
archived = []
for event in room_list:
if event.membership == Membership.JOIN:
room_sync = yield self.initial_sync_for_joined_room(
event.room_id, sync_config, now_token, typing_by_room
room_sync = yield self.full_state_sync_for_joined_room(
room_id=event.room_id,
sync_config=sync_config,
now_token=now_token,
timeline_since_token=timeline_since_token,
typing_by_room=typing_by_room
)
joined.append(room_sync)
elif event.membership == Membership.INVITE:
@ -206,11 +220,12 @@ class SyncHandler(BaseHandler):
leave_token = now_token.copy_and_replace(
"room_key", "s%d" % (event.stream_ordering,)
)
room_sync = yield self.initial_sync_for_archived_room(
room_sync = yield self.full_state_sync_for_archived_room(
sync_config=sync_config,
room_id=event.room_id,
leave_event_id=event.event_id,
leave_token=leave_token,
timeline_since_token=timeline_since_token,
)
archived.append(room_sync)
@ -223,7 +238,8 @@ class SyncHandler(BaseHandler):
))
@defer.inlineCallbacks
def initial_sync_for_joined_room(self, room_id, sync_config, now_token,
def full_state_sync_for_joined_room(self, room_id, sync_config,
now_token, timeline_since_token,
typing_by_room):
"""Sync a room for a client which is starting without any state
Returns:
@ -231,7 +247,7 @@ class SyncHandler(BaseHandler):
"""
batch = yield self.load_filtered_recents(
room_id, sync_config, now_token,
room_id, sync_config, now_token, since_token=timeline_since_token
)
current_state = yield self.state_handler.get_current_state(
@ -278,15 +294,16 @@ class SyncHandler(BaseHandler):
defer.returnValue((now_token, typing_by_room))
@defer.inlineCallbacks
def initial_sync_for_archived_room(self, room_id, sync_config,
leave_event_id, leave_token):
def full_state_sync_for_archived_room(self, room_id, sync_config,
leave_event_id, leave_token,
timeline_since_token):
"""Sync a room for a client which is starting without any state
Returns:
A Deferred JoinedSyncResult.
"""
batch = yield self.load_filtered_recents(
room_id, sync_config, leave_token,
room_id, sync_config, leave_token, since_token=timeline_since_token
)
leave_state = yield self.store.get_state_for_events(

6
synapse/rest/client/v2_alpha/sync.py
View File

@ -16,7 +16,7 @@
from twisted.internet import defer
from synapse.http.servlet import (
RestServlet, parse_string, parse_integer
RestServlet, parse_string, parse_integer, parse_boolean
)
from synapse.handlers.sync import SyncConfig
from synapse.types import StreamToken
@ -90,6 +90,7 @@ class SyncRestServlet(RestServlet):
allowed_values=self.ALLOWED_PRESENCE
)
filter_id = parse_string(request, "filter", default=None)
full_state = parse_boolean(request, "full_state", default=False)
logger.info(
"/sync: user=%r, timeout=%r, since=%r,"
@ -120,7 +121,8 @@ class SyncRestServlet(RestServlet):
try:
sync_result = yield self.sync_handler.wait_for_sync_for_user(
sync_config, since_token=since_token, timeout=timeout
sync_config, since_token=since_token, timeout=timeout,
full_state=full_state
)
finally:
if set_presence == "online":