Stream public room changes down replication

This commit is contained in:
Erik Johnston 2016-09-15 11:47:23 +01:00
parent 4fb65a1091
commit 211786ecd6
4 changed files with 74 additions and 1 deletions

View File

@ -42,6 +42,7 @@ STREAM_NAMES = (
("pushers",),
("caches",),
("to_device",),
("public_rooms",),
)
@ -131,6 +132,7 @@ class ReplicationResource(Resource):
push_rules_token, room_stream_token = self.store.get_push_rules_stream_token()
pushers_token = self.store.get_pushers_stream_token()
caches_token = self.store.get_cache_stream_token()
public_rooms_token = self.store.get_current_public_room_stream_id()
defer.returnValue(_ReplicationToken(
room_stream_token,
@ -144,6 +146,7 @@ class ReplicationResource(Resource):
0, # State stream is no longer a thing
caches_token,
int(stream_token.to_device_key),
int(public_rooms_token),
))
@request_handler()
@ -193,6 +196,7 @@ class ReplicationResource(Resource):
yield self.pushers(writer, current_token, limit, request_streams)
yield self.caches(writer, current_token, limit, request_streams)
yield self.to_device(writer, current_token, limit, request_streams)
yield self.public_rooms(writer, current_token, limit, request_streams)
self.streams(writer, current_token, request_streams)
logger.debug("Replicated %d rows", writer.total)
@ -400,6 +404,20 @@ class ReplicationResource(Resource):
"position", "user_id", "device_id", "message_json"
))
@defer.inlineCallbacks
def public_rooms(self, writer, current_token, limit, request_streams):
current_position = current_token.public_rooms
public_rooms = request_streams.get("public_rooms")
if public_rooms is not None:
public_rooms_rows = yield self.store.get_all_new_public_rooms(
public_rooms, current_position, limit
)
writer.write_header_and_rows("public_rooms", public_rooms_rows, (
"position", "room_id", "visibility"
))
class _Writer(object):
"""Writes the streams as a JSON object as the response to the request"""
@ -428,7 +446,7 @@ class _Writer(object):
class _ReplicationToken(collections.namedtuple("_ReplicationToken", (
"events", "presence", "typing", "receipts", "account_data", "backfill",
"push_rules", "pushers", "state", "caches", "to_device",
"push_rules", "pushers", "state", "caches", "to_device", "public_rooms",
))):
__slots__ = []

View File

@ -61,6 +61,8 @@ class SlavedEventStore(BaseSlavedStore):
"MembershipStreamChangeCache", events_max,
)
self.stream_ordering_month_ago = 0
# Cached functions can't be accessed through a class instance so we need
# to reach inside the __dict__ to extract them.
get_rooms_for_user = RoomMemberStore.__dict__["get_rooms_for_user"]
@ -168,6 +170,12 @@ class SlavedEventStore(BaseSlavedStore):
get_auth_chain_ids = DataStore.get_auth_chain_ids.__func__
_get_auth_chain_ids_txn = DataStore._get_auth_chain_ids_txn.__func__
get_room_max_stream_ordering = DataStore.get_room_max_stream_ordering.__func__
get_forward_extremeties_for_room = (
DataStore.get_forward_extremeties_for_room.__func__
)
def stream_positions(self):
result = super(SlavedEventStore, self).stream_positions()
result["events"] = self._stream_id_gen.get_current_token()

View File

@ -15,7 +15,38 @@
from ._base import BaseSlavedStore
from synapse.storage import DataStore
from ._slaved_id_tracker import SlavedIdTracker
class RoomStore(BaseSlavedStore):
def __init__(self, db_conn, hs):
super(RoomStore, self).__init__(db_conn, hs)
self._public_room_id_gen = SlavedIdTracker(
db_conn, "public_room_list_stream", "stream_id"
)
get_public_room_ids = DataStore.get_public_room_ids.__func__
get_current_public_room_stream_id = (
DataStore.get_current_public_room_stream_id.__func__
)
get_public_room_ids_at_stream_id = (
DataStore.get_public_room_ids_at_stream_id.__func__
)
get_public_room_ids_at_stream_id_txn = (
DataStore.get_public_room_ids_at_stream_id_txn.__func__
)
get_published_at_stream_id_txn = (
DataStore.get_published_at_stream_id_txn.__func__
)
def stream_positions(self):
result = super(RoomStore, self).stream_positions()
result["public_rooms"] = self._public_room_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("public_rooms")
if stream:
self._public_room_id_gen.advance(int(stream["position"]))
return super(RoomStore, self).process_replication(result)

View File

@ -307,3 +307,19 @@ class RoomStore(SQLBaseStore):
return self.runInteraction(
"get_public_room_changes", get_public_room_changes_txn
)
def get_all_new_public_rooms(self, prev_id, current_id, limit):
def get_all_new_public_rooms(txn):
sql = ("""
SELECT stream_id, room_id, visibility FROM public_room_list_stream
WHERE stream_id > ? AND stream_id <= ?
ORDER BY stream_id ASC
LIMIT ?
""")
txn.execute(sql, (prev_id, current_id, limit,))
return txn.fetchall()
return self.runInteraction(
"get_all_new_public_rooms", get_all_new_public_rooms
)