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Handle sending events and device messages over federation

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This commit is contained in:
Erik Johnston 2016-11-17 15:46:44 +00:00
parent ed787cf09e
commit f8ee66250a
14 changed files with 189 additions and 59 deletions
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31
synapse/app/federation_sender.py
View file

@ -127,13 +127,6 @@ class FederationSenderServer(HomeServer):
replication_url = self.config.worker_replication_url
send_handler = self._get_send_handler()
def replicate(results):
stream = results.get("events")
if stream:
# max_stream_id = stream["position"]
# TODO
pass
while True:
try:
args = store.stream_positions()
@ -142,7 +135,6 @@ class FederationSenderServer(HomeServer):
result = yield http_client.get_json(replication_url, args=args)
yield store.process_replication(result)
send_handler.process_replication(result)
replicate(result)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(30)
@ -242,16 +234,17 @@ class FederationSenderHandler(object):
return {"federation": self._latest_room_serial}
def process_replication(self, result):
stream = result.get("federation")
if stream:
self._latest_room_serial = int(stream["position"])
fed_stream = result.get("federation")
if fed_stream:
self._latest_room_serial = int(fed_stream["position"])
presence_to_send = {}
keyed_edus = {}
edus = {}
failures = {}
device_destinations = set()
for row in stream["rows"]:
for row in fed_stream["rows"]:
position, typ, content_js = row
content = json.loads(content_js)
@ -264,7 +257,9 @@ class FederationSenderHandler(object):
key = content["key"]
edu = Edu(**content["edu"])
keyed_edus.setdefault(edu.destination, {})[key] = edu
keyed_edus.setdefault(
edu.destination, {}
)[(edu.destination, tuple(key))] = edu
elif typ == send_queue.EDU_TYPE:
edu = Edu(**content)
@ -274,6 +269,8 @@ class FederationSenderHandler(object):
failure = content["failure"]
failures.setdefault(destination, []).append(failure)
elif typ == send_queue.DEVICE_MESSAGE_TYPE:
device_destinations.add(content["destination"])
else:
raise Exception("Unrecognised federation type: %r", typ)
@ -296,6 +293,14 @@ class FederationSenderHandler(object):
for failure in failure_list:
self.federation_sender.send_failure(destination, failure)
for destination in device_destinations:
self.federation_sender.send_device_messages(destination)
event_stream = result.get("events")
if event_stream:
latest_pos = event_stream["position"]
self.federation_sender.notify_new_events(latest_pos)
if __name__ == '__main__':
with LoggingContext("main"):

38
synapse/federation/send_queue.py
View file

@ -23,11 +23,13 @@ PRESENCE_TYPE = "p"
KEYED_EDU_TYPE = "k"
EDU_TYPE = "e"
FAILURE_TYPE = "f"
DEVICE_MESSAGE_TYPE = "d"
class FederationRemoteSendQueue(object):
def __init__(self, hs):
self.server_name = hs.hostname
self.clock = hs.get_clock()
# TODO: Add metrics for size of lists below
@ -45,6 +47,8 @@ class FederationRemoteSendQueue(object):
self.pos = 1
self.pos_time = sorteddict()
self.device_messages = sorteddict()
self.clock.looping_call(self._clear_queue, 30 * 1000)
def _next_pos(self):
@ -111,6 +115,15 @@ class FederationRemoteSendQueue(object):
for key in keys[:i]:
del self.failures[key]
# Delete things out of device map
keys = self.device_messages.keys()
i = keys.bisect_left(position_to_delete)
for key in keys[:i]:
del self.device_messages[key]
def notify_new_events(self, current_id):
pass
def send_edu(self, destination, edu_type, content, key=None):
pos = self._next_pos()
@ -122,6 +135,7 @@ class FederationRemoteSendQueue(object):
)
if key:
assert isinstance(key, tuple)
self.keyed_edu[(destination, key)] = edu
self.keyed_edu_changed[pos] = (destination, key)
else:
@ -148,9 +162,9 @@ class FederationRemoteSendQueue(object):
# This gets sent down a separate path
pass
def notify_new_device_message(self, destination):
# TODO
pass
def send_device_messages(self, destination):
pos = self._next_pos()
self.device_messages[pos] = destination
def get_current_token(self):
return self.pos - 1
@ -188,11 +202,11 @@ class FederationRemoteSendQueue(object):
i = keys.bisect_right(token)
keyed_edus = set((k, self.keyed_edu_changed[k]) for k in keys[i:])
for (pos, edu_key) in keyed_edus:
for (pos, (destination, edu_key)) in keyed_edus:
rows.append(
(pos, KEYED_EDU_TYPE, ujson.dumps({
"key": edu_key,
"edu": self.keyed_edu[edu_key].get_dict(),
"edu": self.keyed_edu[(destination, edu_key)].get_internal_dict(),
}))
)
@ -202,7 +216,7 @@ class FederationRemoteSendQueue(object):
edus = set((k, self.edus[k]) for k in keys[i:])
for (pos, edu) in edus:
rows.append((pos, EDU_TYPE, ujson.dumps(edu.get_dict())))
rows.append((pos, EDU_TYPE, ujson.dumps(edu.get_internal_dict())))
# Fetch changed failures
keys = self.failures.keys()
@ -210,11 +224,21 @@ class FederationRemoteSendQueue(object):
failures = set((k, self.failures[k]) for k in keys[i:])
for (pos, (destination, failure)) in failures:
rows.append((pos, None, FAILURE_TYPE, ujson.dumps({
rows.append((pos, FAILURE_TYPE, ujson.dumps({
"destination": destination,
"failure": failure,
})))
# Fetch changed device messages
keys = self.device_messages.keys()
i = keys.bisect_right(token)
device_messages = set((k, self.device_messages[k]) for k in keys[i:])
for (pos, destination) in device_messages:
rows.append((pos, DEVICE_MESSAGE_TYPE, ujson.dumps({
"destination": destination,
})))
# Sort rows based on pos
rows.sort()

32
synapse/federation/transaction_queue.py
View file

@ -26,6 +26,7 @@ from synapse.util.retryutils import (
get_retry_limiter, NotRetryingDestination,
)
from synapse.util.metrics import measure_func
from synapse.types import get_domain_from_id
from synapse.handlers.presence import format_user_presence_state
import synapse.metrics
@ -54,6 +55,7 @@ class TransactionQueue(object):
self.server_name = hs.hostname
self.store = hs.get_datastore()
self.state = hs.get_state_handler()
self.transaction_actions = TransactionActions(self.store)
self.transport_layer = hs.get_federation_transport_client()
@ -103,6 +105,9 @@ class TransactionQueue(object):
self._order = 1
self._is_processing = False
self._last_token = 0
def can_send_to(self, destination):
"""Can we send messages to the given server?
@ -123,6 +128,33 @@ class TransactionQueue(object):
else:
return not destination.startswith("localhost")
@defer.inlineCallbacks
def notify_new_events(self, current_id):
if self._is_processing:
return
try:
self._is_processing = True
while True:
self._last_token, events = yield self.store.get_all_new_events_stream(
self._last_token, current_id, limit=20,
)
if not events:
break
for event in events:
users_in_room = yield self.state.get_current_user_in_room(
event.room_id, latest_event_ids=[event.event_id],
)
destinations = [
get_domain_from_id(user_id) for user_id in users_in_room
]
self.send_pdu(event, destinations)
finally:
self._is_processing = False
def send_pdu(self, pdu, destinations):
# We loop through all destinations to see whether we already have
# a transaction in progress. If we do, stick it in the pending_pdus

13
synapse/handlers/message.py
View file

@ -22,7 +22,7 @@ from synapse.events.utils import serialize_event
from synapse.events.validator import EventValidator
from synapse.push.action_generator import ActionGenerator
from synapse.types import (
UserID, RoomAlias, RoomStreamToken, get_domain_from_id
UserID, RoomAlias, RoomStreamToken,
)
from synapse.util.async import run_on_reactor, ReadWriteLock
from synapse.util.logcontext import preserve_fn
@ -599,13 +599,6 @@ class MessageHandler(BaseHandler):
event_stream_id, max_stream_id
)
users_in_room = yield self.store.get_joined_users_from_context(event, context)
destinations = [
get_domain_from_id(user_id) for user_id in users_in_room
if not self.hs.is_mine_id(user_id)
]
@defer.inlineCallbacks
def _notify():
yield run_on_reactor()
@ -618,7 +611,3 @@ class MessageHandler(BaseHandler):
# If invite, remove room_state from unsigned before sending.
event.unsigned.pop("invite_room_state", None)
preserve_fn(federation_handler.handle_new_event)(
event, destinations=destinations,
)

2
synapse/notifier.py
View file

@ -143,6 +143,7 @@ class Notifier(object):
self.clock = hs.get_clock()
self.appservice_handler = hs.get_application_service_handler()
self.federation_sender = hs.get_federation_sender()
self.state_handler = hs.get_state_handler()
self.clock.looping_call(
@ -219,6 +220,7 @@ class Notifier(object):
"""Notify any user streams that are interested in this room event"""
# poke any interested application service.
self.appservice_handler.notify_interested_services(room_stream_id)
self.federation_sender.notify_new_events(room_stream_id)
if event.type == EventTypes.Member and event.membership == Membership.JOIN:
self._user_joined_room(event.state_key, event.room_id)

2
synapse/replication/resource.py
View file

@ -453,7 +453,7 @@ class ReplicationResource(Resource):
)
upto_token = _position_from_rows(to_device_rows, current_position)
writer.write_header_and_rows("to_device", to_device_rows, (
"position", "user_id", "device_id", "message_json"
"position", "entity",
), position=upto_token)
@defer.inlineCallbacks

15
synapse/replication/slave/storage/deviceinbox.py
View file

@ -38,6 +38,7 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
get_new_device_msgs_for_remote = DataStore.get_new_device_msgs_for_remote.__func__
delete_messages_for_device = DataStore.delete_messages_for_device.__func__
delete_device_msgs_for_remote = DataStore.delete_device_msgs_for_remote.__func__
def stream_positions(self):
result = super(SlavedDeviceInboxStore, self).stream_positions()
@ -50,9 +51,15 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
self._device_inbox_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
stream_id = row[0]
user_id = row[1]
self._device_inbox_stream_cache.entity_has_changed(
user_id, stream_id
)
entity = row[1]
if entity.startswith("@"):
self._device_inbox_stream_cache.entity_has_changed(
entity, stream_id
)
else:
self._device_federation_outbox_stream_cache.entity_has_changed(
entity, stream_id
)
return super(SlavedDeviceInboxStore, self).process_replication(result)

11
synapse/replication/slave/storage/events.py
View file

@ -26,6 +26,11 @@ from synapse.storage.stream import StreamStore
from synapse.util.caches.stream_change_cache import StreamChangeCache
import ujson as json
import logging
logger = logging.getLogger(__name__)
# So, um, we want to borrow a load of functions intended for reading from
# a DataStore, but we don't want to take functions that either write to the
@ -180,6 +185,8 @@ class SlavedEventStore(BaseSlavedStore):
EventFederationStore.__dict__["_get_forward_extremeties_for_room"]
)
get_all_new_events_stream = DataStore.get_all_new_events_stream.__func__
def stream_positions(self):
result = super(SlavedEventStore, self).stream_positions()
result["events"] = self._stream_id_gen.get_current_token()
@ -194,6 +201,10 @@ class SlavedEventStore(BaseSlavedStore):
stream = result.get("events")
if stream:
self._stream_id_gen.advance(int(stream["position"]))
if stream["rows"]:
logger.info("Got %d event rows", len(stream["rows"]))
for row in stream["rows"]:
self._process_replication_row(
row, backfilled=False, state_resets=state_resets

4
synapse/replication/slave/storage/transactions.py
View file

@ -25,8 +25,8 @@ class TransactionStore(BaseSlavedStore):
].orig
_get_destination_retry_timings = DataStore._get_destination_retry_timings.__func__
def prep_send_transaction(self, transaction_id, destination, origin_server_ts):
return []
prep_send_transaction = DataStore.prep_send_transaction.__func__
delivered_txn = DataStore.delivered_txn.__func__
# For now, don't record the destination rety timings
def set_destination_retry_timings(*args, **kwargs):

34
synapse/storage/deviceinbox.py
View file

@ -269,27 +269,29 @@ class DeviceInboxStore(SQLBaseStore):
return defer.succeed([])
def get_all_new_device_messages_txn(txn):
# We limit like this as we might have multiple rows per stream_id, and
# we want to make sure we always get all entries for any stream_id
# we return.
upper_pos = min(current_pos, last_pos + limit)
sql = (
"SELECT stream_id FROM device_inbox"
" WHERE ? < stream_id AND stream_id <= ?"
" GROUP BY stream_id"
" ORDER BY stream_id ASC"
" LIMIT ?"
)
txn.execute(sql, (last_pos, current_pos, limit))
stream_ids = txn.fetchall()
if not stream_ids:
return []
max_stream_id_in_limit = stream_ids[-1]
sql = (
"SELECT stream_id, user_id, device_id, message_json"
"SELECT stream_id, user_id"
" FROM device_inbox"
" WHERE ? < stream_id AND stream_id <= ?"
" ORDER BY stream_id ASC"
)
txn.execute(sql, (last_pos, max_stream_id_in_limit))
return txn.fetchall()
txn.execute(sql, (last_pos, upper_pos))
rows = txn.fetchall()
sql = (
"SELECT stream_id, destination"
" FROM device_federation_outbox"
" WHERE ? < stream_id AND stream_id <= ?"
" ORDER BY stream_id ASC"
)
txn.execute(sql, (last_pos, upper_pos))
rows.extend(txn.fetchall())
return rows
return self.runInteraction(
"get_all_new_device_messages", get_all_new_device_messages_txn

2
synapse/storage/prepare_database.py
View file

@ -25,7 +25,7 @@ logger = logging.getLogger(__name__)
# Remember to update this number every time a change is made to database
# schema files, so the users will be informed on server restarts.
SCHEMA_VERSION = 38
SCHEMA_VERSION = 39
dir_path = os.path.abspath(os.path.dirname(__file__))

16
synapse/storage/schema/delta/39/device_federation_stream_idx.sql Normal file
View file

@ -0,0 +1,16 @@
/* Copyright 2016 OpenMarket 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.
*/
CREATE INDEX device_federation_outbox_id ON device_federation_outbox(stream_id);

31
synapse/storage/stream.py
View file

@ -765,3 +765,34 @@ class StreamStore(SQLBaseStore):
"token": end_token,
},
}
@defer.inlineCallbacks
def get_all_new_events_stream(self, from_id, current_id, limit):
"""Get all new events"""
def get_all_new_events_stream_txn(txn):
sql = (
"SELECT e.stream_ordering, e.event_id"
" FROM events AS e"
" WHERE"
" ? < e.stream_ordering AND e.stream_ordering <= ?"
" ORDER BY e.stream_ordering ASC"
" LIMIT ?"
)
txn.execute(sql, (from_id, current_id, limit))
rows = txn.fetchall()
upper_bound = current_id
if len(rows) == limit:
upper_bound = rows[-1][0]
return upper_bound, [row[1] for row in rows]
upper_bound, event_ids = yield self.runInteraction(
"get_all_new_events_stream", get_all_new_events_stream_txn,
)
events = yield self._get_events(event_ids)
defer.returnValue((upper_bound, events))

17
synapse/util/jsonobject.py
View file

@ -76,15 +76,26 @@ class JsonEncodedObject(object):
d.update(self.unrecognized_keys)
return d
def get_internal_dict(self):
d = {
k: _encode(v, internal=True) for (k, v) in self.__dict__.items()
if k in self.valid_keys
}
d.update(self.unrecognized_keys)
return d
def __str__(self):
return "(%s, %s)" % (self.__class__.__name__, repr(self.__dict__))
def _encode(obj):
def _encode(obj, internal=False):
if type(obj) is list:
return [_encode(o) for o in obj]
return [_encode(o, internal=internal) for o in obj]
if isinstance(obj, JsonEncodedObject):
return obj.get_dict()
if internal:
return obj.get_internal_dict()
else:
return obj.get_dict()
return obj