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Merge pull request #675 from matrix-org/markjh/replicate_stateII

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Add a replication stream for state groups
This commit is contained in:
Mark Haines 2016-03-30 16:40:17 +01:00
commit 98c460cecd
4 changed files with 93 additions and 12 deletions
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36
synapse/replication/resource.py
View file

@ -38,6 +38,7 @@ STREAM_NAMES = (
("backfill",),
("push_rules",),
("pushers",),
("state",),
)
@ -123,6 +124,7 @@ class ReplicationResource(Resource):
backfill_token = yield self.store.get_current_backfill_token()
push_rules_token, room_stream_token = self.store.get_push_rules_stream_token()
pushers_token = self.store.get_pushers_stream_token()
state_token = self.store.get_state_stream_token()
defer.returnValue(_ReplicationToken(
room_stream_token,
@ -133,6 +135,7 @@ class ReplicationResource(Resource):
backfill_token,
push_rules_token,
pushers_token,
state_token,
))
@request_handler
@ -156,6 +159,7 @@ class ReplicationResource(Resource):
yield self.receipts(writer, current_token, limit)
yield self.push_rules(writer, current_token, limit)
yield self.pushers(writer, current_token, limit)
yield self.state(writer, current_token, limit)
self.streams(writer, current_token)
logger.info("Replicated %d rows", writer.total)
@ -205,12 +209,12 @@ class ReplicationResource(Resource):
current_token.backfill, current_token.events,
limit
)
writer.write_header_and_rows(
"events", events_rows, ("position", "internal", "json")
)
writer.write_header_and_rows(
"backfill", backfill_rows, ("position", "internal", "json")
)
writer.write_header_and_rows("events", events_rows, (
"position", "internal", "json", "state_group"
))
writer.write_header_and_rows("backfill", backfill_rows, (
"position", "internal", "json", "state_group"
))
@defer.inlineCallbacks
def presence(self, writer, current_token):
@ -320,6 +324,24 @@ class ReplicationResource(Resource):
"position", "user_id", "app_id", "pushkey"
))
@defer.inlineCallbacks
def state(self, writer, current_token, limit):
current_position = current_token.state
state = parse_integer(writer.request, "state")
if state is not None:
state_groups, state_group_state = (
yield self.store.get_all_new_state_groups(
state, current_position, limit
)
)
writer.write_header_and_rows("state_groups", state_groups, (
"position", "room_id", "event_id"
))
writer.write_header_and_rows("state_group_state", state_group_state, (
"position", "type", "state_key", "event_id"
))
class _Writer(object):
"""Writes the streams as a JSON object as the response to the request"""
@ -350,7 +372,7 @@ class _Writer(object):
class _ReplicationToken(collections.namedtuple("_ReplicationToken", (
"events", "presence", "typing", "receipts", "account_data", "backfill",
"push_rules", "pushers"
"push_rules", "pushers", "state"
))):
__slots__ = []

9
synapse/storage/events.py
View file

@ -1097,10 +1097,12 @@ class EventsStore(SQLBaseStore):
new events or as backfilled events"""
def get_all_new_events_txn(txn):
sql = (
"SELECT e.stream_ordering, ej.internal_metadata, ej.json"
"SELECT e.stream_ordering, ej.internal_metadata, ej.json, eg.state_group"
" FROM events as e"
" JOIN event_json as ej"
" ON e.event_id = ej.event_id AND e.room_id = ej.room_id"
" LEFT JOIN event_to_state_groups as eg"
" ON e.event_id = eg.event_id"
" WHERE ? < e.stream_ordering AND e.stream_ordering <= ?"
" ORDER BY e.stream_ordering ASC"
" LIMIT ?"
@ -1112,10 +1114,13 @@ class EventsStore(SQLBaseStore):
new_forward_events = []
sql = (
"SELECT -e.stream_ordering, ej.internal_metadata, ej.json"
"SELECT -e.stream_ordering, ej.internal_metadata, ej.json,"
" eg.state_group"
" FROM events as e"
" JOIN event_json as ej"
" ON e.event_id = ej.event_id AND e.room_id = ej.room_id"
" LEFT JOIN event_to_state_groups as eg"
" ON e.event_id = eg.event_id"
" WHERE ? > e.stream_ordering AND e.stream_ordering >= ?"
" ORDER BY e.stream_ordering DESC"
" LIMIT ?"

30
synapse/storage/state.py
View file

@ -429,3 +429,33 @@ class StateStore(SQLBaseStore):
}
defer.returnValue(results)
def get_all_new_state_groups(self, last_id, current_id, limit):
def get_all_new_state_groups_txn(txn):
sql = (
"SELECT id, room_id, event_id FROM state_groups"
" WHERE ? < id AND id <= ? ORDER BY id LIMIT ?"
)
txn.execute(sql, (last_id, current_id, limit))
groups = txn.fetchall()
if not groups:
return ([], [])
lower_bound = groups[0][0]
upper_bound = groups[-1][0]
sql = (
"SELECT state_group, type, state_key, event_id"
" FROM state_groups_state"
" WHERE ? <= state_group AND state_group <= ?"
)
txn.execute(sql, (lower_bound, upper_bound))
state_group_state = txn.fetchall()
return (groups, state_group_state)
return self.runInteraction(
"get_all_new_state_groups", get_all_new_state_groups_txn
)
def get_state_stream_token(self):
return self._state_groups_id_gen.get_max_token()

30
tests/replication/test_resource.py
View file

@ -58,15 +58,21 @@ class ReplicationResourceCase(unittest.TestCase):
self.assertEquals(body, {})
@defer.inlineCallbacks
def test_events(self):
get = self.get(events="-1", timeout="0")
def test_events_and_state(self):
get = self.get(events="-1", state="-1", timeout="0")
yield self.hs.get_handlers().room_creation_handler.create_room(
Requester(self.user, "", False), {}
)
code, body = yield get
self.assertEquals(code, 200)
self.assertEquals(body["events"]["field_names"], [
"position", "internal", "json"
"position", "internal", "json", "state_group"
])
self.assertEquals(body["state_groups"]["field_names"], [
"position", "room_id", "event_id"
])
self.assertEquals(body["state_group_state"]["field_names"], [
"position", "type", "state_key", "event_id"
])
@defer.inlineCallbacks
@ -132,6 +138,7 @@ class ReplicationResourceCase(unittest.TestCase):
test_timeout_backfill = _test_timeout("backfill")
test_timeout_push_rules = _test_timeout("push_rules")
test_timeout_pushers = _test_timeout("pushers")
test_timeout_state = _test_timeout("state")
@defer.inlineCallbacks
def send_text_message(self, room_id, message):
@ -182,4 +189,21 @@ class ReplicationResourceCase(unittest.TestCase):
)
response_body = json.loads(response_json)
if response_code == 200:
self.check_response(response_body)
defer.returnValue((response_code, response_body))
def check_response(self, response_body):
for name, stream in response_body.items():
self.assertIn("field_names", stream)
field_names = stream["field_names"]
self.assertIn("rows", stream)
self.assertTrue(stream["rows"])
for row in stream["rows"]:
self.assertEquals(
len(row), len(field_names),
"%s: len(row = %r) == len(field_names = %r)" % (
name, row, field_names
)
)