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Merge pull request #6279 from matrix-org/erikj/federation_server_async_await 

Port federation_server to async/await
This commit is contained in:
Erik Johnston 2019-10-30 11:43:51 +01:00 committed by GitHub
parent d79151921a a287f1e804
commit b4465564cc
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4 changed files with 100 additions and 128 deletions
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changelog.d/6279.misc Normal file
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@ -0,0 +1 @@
Port `federation_server.py` to async/await.

217
synapse/federation/federation_server.py
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@ -21,7 +21,6 @@ from six import iteritems
from canonicaljson import json
from prometheus_client import Counter
from twisted.internet import defer
from twisted.internet.abstract import isIPAddress
from twisted.python import failure
@ -86,14 +85,12 @@ class FederationServer(FederationBase):
# come in waves.
self._state_resp_cache = ResponseCache(hs, "state_resp", timeout_ms=30000)
@defer.inlineCallbacks
@log_function
def on_backfill_request(self, origin, room_id, versions, limit):
with (yield self._server_linearizer.queue((origin, room_id))):
async def on_backfill_request(self, origin, room_id, versions, limit):
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
pdus = yield self.handler.on_backfill_request(
pdus = await self.handler.on_backfill_request(
origin, room_id, versions, limit
)
@ -101,9 +98,7 @@ class FederationServer(FederationBase):
return 200, res
@defer.inlineCallbacks
@log_function
def on_incoming_transaction(self, origin, transaction_data):
async def on_incoming_transaction(self, origin, transaction_data):
# keep this as early as possible to make the calculated origin ts as
# accurate as possible.
request_time = self._clock.time_msec()
@ -118,18 +113,17 @@ class FederationServer(FederationBase):
# use a linearizer to ensure that we don't process the same transaction
# multiple times in parallel.
with (
yield self._transaction_linearizer.queue(
await self._transaction_linearizer.queue(
(origin, transaction.transaction_id)
)
):
result = yield self._handle_incoming_transaction(
result = await self._handle_incoming_transaction(
origin, transaction, request_time
)
return result
@defer.inlineCallbacks
def _handle_incoming_transaction(self, origin, transaction, request_time):
async def _handle_incoming_transaction(self, origin, transaction, request_time):
""" Process an incoming transaction and return the HTTP response
Args:
@ -140,7 +134,7 @@ class FederationServer(FederationBase):
Returns:
Deferred[(int, object)]: http response code and body
"""
response = yield self.transaction_actions.have_responded(origin, transaction)
response = await self.transaction_actions.have_responded(origin, transaction)
if response:
logger.debug(
@ -159,7 +153,7 @@ class FederationServer(FederationBase):
logger.info("Transaction PDU or EDU count too large. Returning 400")
response = {}
yield self.transaction_actions.set_response(
await self.transaction_actions.set_response(
origin, transaction, 400, response
)
return 400, response
@ -195,7 +189,7 @@ class FederationServer(FederationBase):
continue
try:
room_version = yield self.store.get_room_version(room_id)
room_version = await self.store.get_room_version(room_id)
except NotFoundError:
logger.info("Ignoring PDU for unknown room_id: %s", room_id)
continue
@ -221,11 +215,10 @@ class FederationServer(FederationBase):
# require callouts to other servers to fetch missing events), but
# impose a limit to avoid going too crazy with ram/cpu.
@defer.inlineCallbacks
def process_pdus_for_room(room_id):
async def process_pdus_for_room(room_id):
logger.debug("Processing PDUs for %s", room_id)
try:
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
except AuthError as e:
logger.warn("Ignoring PDUs for room %s from banned server", room_id)
for pdu in pdus_by_room[room_id]:
@ -237,7 +230,7 @@ class FederationServer(FederationBase):
event_id = pdu.event_id
with nested_logging_context(event_id):
try:
yield self._handle_received_pdu(origin, pdu)
await self._handle_received_pdu(origin, pdu)
pdu_results[event_id] = {}
except FederationError as e:
logger.warn("Error handling PDU %s: %s", event_id, e)
@ -251,36 +244,33 @@ class FederationServer(FederationBase):
exc_info=(f.type, f.value, f.getTracebackObject()),
)
yield concurrently_execute(
await concurrently_execute(
process_pdus_for_room, pdus_by_room.keys(), TRANSACTION_CONCURRENCY_LIMIT
)
if hasattr(transaction, "edus"):
for edu in (Edu(**x) for x in transaction.edus):
yield self.received_edu(origin, edu.edu_type, edu.content)
await self.received_edu(origin, edu.edu_type, edu.content)
response = {"pdus": pdu_results}
logger.debug("Returning: %s", str(response))
yield self.transaction_actions.set_response(origin, transaction, 200, response)
await self.transaction_actions.set_response(origin, transaction, 200, response)
return 200, response
@defer.inlineCallbacks
def received_edu(self, origin, edu_type, content):
async def received_edu(self, origin, edu_type, content):
received_edus_counter.inc()
yield self.registry.on_edu(edu_type, origin, content)
await self.registry.on_edu(edu_type, origin, content)
@defer.inlineCallbacks
@log_function
def on_context_state_request(self, origin, room_id, event_id):
async def on_context_state_request(self, origin, room_id, event_id):
if not event_id:
raise NotImplementedError("Specify an event")
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
in_room = yield self.auth.check_host_in_room(room_id, origin)
in_room = await self.auth.check_host_in_room(room_id, origin)
if not in_room:
raise AuthError(403, "Host not in room.")
@ -289,8 +279,8 @@ class FederationServer(FederationBase):
# in the cache so we could return it without waiting for the linearizer
# - but that's non-trivial to get right, and anyway somewhat defeats
# the point of the linearizer.
with (yield self._server_linearizer.queue((origin, room_id))):
resp = yield self._state_resp_cache.wrap(
with (await self._server_linearizer.queue((origin, room_id))):
resp = await self._state_resp_cache.wrap(
(room_id, event_id),
self._on_context_state_request_compute,
room_id,
@ -299,65 +289,58 @@ class FederationServer(FederationBase):
return 200, resp
@defer.inlineCallbacks
def on_state_ids_request(self, origin, room_id, event_id):
async def on_state_ids_request(self, origin, room_id, event_id):
if not event_id:
raise NotImplementedError("Specify an event")
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
in_room = yield self.auth.check_host_in_room(room_id, origin)
in_room = await self.auth.check_host_in_room(room_id, origin)
if not in_room:
raise AuthError(403, "Host not in room.")
state_ids = yield self.handler.get_state_ids_for_pdu(room_id, event_id)
auth_chain_ids = yield self.store.get_auth_chain_ids(state_ids)
state_ids = await self.handler.get_state_ids_for_pdu(room_id, event_id)
auth_chain_ids = await self.store.get_auth_chain_ids(state_ids)
return 200, {"pdu_ids": state_ids, "auth_chain_ids": auth_chain_ids}
@defer.inlineCallbacks
def _on_context_state_request_compute(self, room_id, event_id):
pdus = yield self.handler.get_state_for_pdu(room_id, event_id)
auth_chain = yield self.store.get_auth_chain([pdu.event_id for pdu in pdus])
async def _on_context_state_request_compute(self, room_id, event_id):
pdus = await self.handler.get_state_for_pdu(room_id, event_id)
auth_chain = await self.store.get_auth_chain([pdu.event_id for pdu in pdus])
return {
"pdus": [pdu.get_pdu_json() for pdu in pdus],
"auth_chain": [pdu.get_pdu_json() for pdu in auth_chain],
}
@defer.inlineCallbacks
@log_function
def on_pdu_request(self, origin, event_id):
pdu = yield self.handler.get_persisted_pdu(origin, event_id)
async def on_pdu_request(self, origin, event_id):
pdu = await self.handler.get_persisted_pdu(origin, event_id)
if pdu:
return 200, self._transaction_from_pdus([pdu]).get_dict()
else:
return 404, ""
@defer.inlineCallbacks
def on_query_request(self, query_type, args):
async def on_query_request(self, query_type, args):
received_queries_counter.labels(query_type).inc()
resp = yield self.registry.on_query(query_type, args)
resp = await self.registry.on_query(query_type, args)
return 200, resp
@defer.inlineCallbacks
def on_make_join_request(self, origin, room_id, user_id, supported_versions):
async def on_make_join_request(self, origin, room_id, user_id, supported_versions):
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
room_version = yield self.store.get_room_version(room_id)
room_version = await self.store.get_room_version(room_id)
if room_version not in supported_versions:
logger.warn("Room version %s not in %s", room_version, supported_versions)
raise IncompatibleRoomVersionError(room_version=room_version)
pdu = yield self.handler.on_make_join_request(origin, room_id, user_id)
pdu = await self.handler.on_make_join_request(origin, room_id, user_id)
time_now = self._clock.time_msec()
return {"event": pdu.get_pdu_json(time_now), "room_version": room_version}
@defer.inlineCallbacks
def on_invite_request(self, origin, content, room_version):
async def on_invite_request(self, origin, content, room_version):
if room_version not in KNOWN_ROOM_VERSIONS:
raise SynapseError(
400,
@ -369,28 +352,27 @@ class FederationServer(FederationBase):
pdu = event_from_pdu_json(content, format_ver)
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, pdu.room_id)
pdu = yield self._check_sigs_and_hash(room_version, pdu)
ret_pdu = yield self.handler.on_invite_request(origin, pdu)
await self.check_server_matches_acl(origin_host, pdu.room_id)
pdu = await self._check_sigs_and_hash(room_version, pdu)
ret_pdu = await self.handler.on_invite_request(origin, pdu)
time_now = self._clock.time_msec()
return {"event": ret_pdu.get_pdu_json(time_now)}
@defer.inlineCallbacks
def on_send_join_request(self, origin, content, room_id):
async def on_send_join_request(self, origin, content, room_id):
logger.debug("on_send_join_request: content: %s", content)
room_version = yield self.store.get_room_version(room_id)
room_version = await self.store.get_room_version(room_id)
format_ver = room_version_to_event_format(room_version)
pdu = event_from_pdu_json(content, format_ver)
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, pdu.room_id)
await self.check_server_matches_acl(origin_host, pdu.room_id)
logger.debug("on_send_join_request: pdu sigs: %s", pdu.signatures)
pdu = yield self._check_sigs_and_hash(room_version, pdu)
pdu = await self._check_sigs_and_hash(room_version, pdu)
res_pdus = yield self.handler.on_send_join_request(origin, pdu)
res_pdus = await self.handler.on_send_join_request(origin, pdu)
time_now = self._clock.time_msec()
return (
200,
@ -402,48 +384,44 @@ class FederationServer(FederationBase):
},
)
@defer.inlineCallbacks
def on_make_leave_request(self, origin, room_id, user_id):
async def on_make_leave_request(self, origin, room_id, user_id):
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
pdu = yield self.handler.on_make_leave_request(origin, room_id, user_id)
await self.check_server_matches_acl(origin_host, room_id)
pdu = await self.handler.on_make_leave_request(origin, room_id, user_id)
room_version = yield self.store.get_room_version(room_id)
room_version = await self.store.get_room_version(room_id)
time_now = self._clock.time_msec()
return {"event": pdu.get_pdu_json(time_now), "room_version": room_version}
@defer.inlineCallbacks
def on_send_leave_request(self, origin, content, room_id):
async def on_send_leave_request(self, origin, content, room_id):
logger.debug("on_send_leave_request: content: %s", content)
room_version = yield self.store.get_room_version(room_id)
room_version = await self.store.get_room_version(room_id)
format_ver = room_version_to_event_format(room_version)
pdu = event_from_pdu_json(content, format_ver)
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, pdu.room_id)
await self.check_server_matches_acl(origin_host, pdu.room_id)
logger.debug("on_send_leave_request: pdu sigs: %s", pdu.signatures)
pdu = yield self._check_sigs_and_hash(room_version, pdu)
pdu = await self._check_sigs_and_hash(room_version, pdu)
yield self.handler.on_send_leave_request(origin, pdu)
await self.handler.on_send_leave_request(origin, pdu)
return 200, {}
@defer.inlineCallbacks
def on_event_auth(self, origin, room_id, event_id):
with (yield self._server_linearizer.queue((origin, room_id))):
async def on_event_auth(self, origin, room_id, event_id):
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
time_now = self._clock.time_msec()
auth_pdus = yield self.handler.on_event_auth(event_id)
auth_pdus = await self.handler.on_event_auth(event_id)
res = {"auth_chain": [a.get_pdu_json(time_now) for a in auth_pdus]}
return 200, res
@defer.inlineCallbacks
def on_query_auth_request(self, origin, content, room_id, event_id):
async def on_query_auth_request(self, origin, content, room_id, event_id):
"""
Content is a dict with keys::
auth_chain (list): A list of events that give the auth chain.
@ -462,22 +440,22 @@ class FederationServer(FederationBase):
Returns:
Deferred: Results in `dict` with the same format as `content`
"""
with (yield self._server_linearizer.queue((origin, room_id))):
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
room_version = yield self.store.get_room_version(room_id)
room_version = await self.store.get_room_version(room_id)
format_ver = room_version_to_event_format(room_version)
auth_chain = [
event_from_pdu_json(e, format_ver) for e in content["auth_chain"]
]
signed_auth = yield self._check_sigs_and_hash_and_fetch(
signed_auth = await self._check_sigs_and_hash_and_fetch(
origin, auth_chain, outlier=True, room_version=room_version
)
ret = yield self.handler.on_query_auth(
ret = await self.handler.on_query_auth(
origin,
event_id,
room_id,
@ -503,16 +481,14 @@ class FederationServer(FederationBase):
return self.on_query_request("user_devices", user_id)
@trace
@defer.inlineCallbacks
@log_function
def on_claim_client_keys(self, origin, content):
async def on_claim_client_keys(self, origin, content):
query = []
for user_id, device_keys in content.get("one_time_keys", {}).items():
for device_id, algorithm in device_keys.items():
query.append((user_id, device_id, algorithm))
log_kv({"message": "Claiming one time keys.", "user, device pairs": query})
results = yield self.store.claim_e2e_one_time_keys(query)
results = await self.store.claim_e2e_one_time_keys(query)
json_result = {}
for user_id, device_keys in results.items():
@ -536,14 +512,12 @@ class FederationServer(FederationBase):
return {"one_time_keys": json_result}
@defer.inlineCallbacks
@log_function
def on_get_missing_events(
async def on_get_missing_events(
self, origin, room_id, earliest_events, latest_events, limit
):
with (yield self._server_linearizer.queue((origin, room_id))):
with (await self._server_linearizer.queue((origin, room_id))):
origin_host, _ = parse_server_name(origin)
yield self.check_server_matches_acl(origin_host, room_id)
await self.check_server_matches_acl(origin_host, room_id)
logger.info(
"on_get_missing_events: earliest_events: %r, latest_events: %r,"
@ -553,7 +527,7 @@ class FederationServer(FederationBase):
limit,
)
missing_events = yield self.handler.on_get_missing_events(
missing_events = await self.handler.on_get_missing_events(
origin, room_id, earliest_events, latest_events, limit
)
@ -586,8 +560,7 @@ class FederationServer(FederationBase):
destination=None,
)
@defer.inlineCallbacks
def _handle_received_pdu(self, origin, pdu):
async def _handle_received_pdu(self, origin, pdu):
""" Process a PDU received in a federation /send/ transaction.
If the event is invalid, then this method throws a FederationError.
@ -640,37 +613,34 @@ class FederationServer(FederationBase):
logger.info("Accepting join PDU %s from %s", pdu.event_id, origin)
# We've already checked that we know the room version by this point
room_version = yield self.store.get_room_version(pdu.room_id)
room_version = await self.store.get_room_version(pdu.room_id)
# Check signature.
try:
pdu = yield self._check_sigs_and_hash(room_version, pdu)
pdu = await self._check_sigs_and_hash(room_version, pdu)
except SynapseError as e:
raise FederationError("ERROR", e.code, e.msg, affected=pdu.event_id)
yield self.handler.on_receive_pdu(origin, pdu, sent_to_us_directly=True)
await self.handler.on_receive_pdu(origin, pdu, sent_to_us_directly=True)
def __str__(self):
return "<ReplicationLayer(%s)>" % self.server_name
@defer.inlineCallbacks
def exchange_third_party_invite(
async def exchange_third_party_invite(
self, sender_user_id, target_user_id, room_id, signed
):
ret = yield self.handler.exchange_third_party_invite(
ret = await self.handler.exchange_third_party_invite(
sender_user_id, target_user_id, room_id, signed
)
return ret
@defer.inlineCallbacks
def on_exchange_third_party_invite_request(self, room_id, event_dict):
ret = yield self.handler.on_exchange_third_party_invite_request(
async def on_exchange_third_party_invite_request(self, room_id, event_dict):
ret = await self.handler.on_exchange_third_party_invite_request(
room_id, event_dict
)
return ret
@defer.inlineCallbacks
def check_server_matches_acl(self, server_name, room_id):
async def check_server_matches_acl(self, server_name, room_id):
"""Check if the given server is allowed by the server ACLs in the room
Args:
@ -680,13 +650,13 @@ class FederationServer(FederationBase):
Raises:
AuthError if the server does not match the ACL
"""
state_ids = yield self.store.get_current_state_ids(room_id)
state_ids = await self.store.get_current_state_ids(room_id)
acl_event_id = state_ids.get((EventTypes.ServerACL, ""))
if not acl_event_id:
return
acl_event = yield self.store.get_event(acl_event_id)
acl_event = await self.store.get_event(acl_event_id)
if server_matches_acl_event(server_name, acl_event):
return
@ -799,15 +769,14 @@ class FederationHandlerRegistry(object):
self.query_handlers[query_type] = handler
@defer.inlineCallbacks
def on_edu(self, edu_type, origin, content):
async def on_edu(self, edu_type, origin, content):
handler = self.edu_handlers.get(edu_type)
if not handler:
logger.warn("No handler registered for EDU type %s", edu_type)
with start_active_span_from_edu(content, "handle_edu"):
try:
yield handler(origin, content)
await handler(origin, content)
except SynapseError as e:
logger.info("Failed to handle edu %r: %r", edu_type, e)
except Exception:
@ -840,7 +809,7 @@ class ReplicationFederationHandlerRegistry(FederationHandlerRegistry):
super(ReplicationFederationHandlerRegistry, self).__init__()
def on_edu(self, edu_type, origin, content):
async def on_edu(self, edu_type, origin, content):
"""Overrides FederationHandlerRegistry
"""
if not self.config.use_presence and edu_type == "m.presence":
@ -848,17 +817,17 @@ class ReplicationFederationHandlerRegistry(FederationHandlerRegistry):
handler = self.edu_handlers.get(edu_type)
if handler:
return super(ReplicationFederationHandlerRegistry, self).on_edu(
return await super(ReplicationFederationHandlerRegistry, self).on_edu(
edu_type, origin, content
)
return self._send_edu(edu_type=edu_type, origin=origin, content=content)
return await self._send_edu(edu_type=edu_type, origin=origin, content=content)
def on_query(self, query_type, args):
async def on_query(self, query_type, args):
"""Overrides FederationHandlerRegistry
"""
handler = self.query_handlers.get(query_type)
if handler:
return handler(args)
return await handler(args)
return self._get_query_client(query_type=query_type, args=args)
return await self._get_query_client(query_type=query_type, args=args)

7
synapse/util/async_helpers.py
View File

@ -138,7 +138,7 @@ def concurrently_execute(func, args, limit):
the number of concurrent executions.
Args:
func (func): Function to execute, should return a deferred.
func (func): Function to execute, should return a deferred or coroutine.
args (list): List of arguments to pass to func, each invocation of func
gets a signle argument.
limit (int): Maximum number of conccurent executions.
@ -148,11 +148,10 @@ def concurrently_execute(func, args, limit):
"""
it = iter(args)
@defer.inlineCallbacks
def _concurrently_execute_inner():
async def _concurrently_execute_inner():
try:
while True:
yield func(next(it))
await maybe_awaitable(func(next(it)))
except StopIteration:
pass

3
tests/handlers/test_typing.py
View File

@ -144,6 +144,9 @@ class TypingNotificationsTestCase(unittest.HomeserverTestCase):
self.datastore.get_to_device_stream_token = lambda: 0
self.datastore.get_new_device_msgs_for_remote = lambda *args, **kargs: ([], 0)
self.datastore.delete_device_msgs_for_remote = lambda *args, **kargs: None
self.datastore.set_received_txn_response = lambda *args, **kwargs: defer.succeed(
None
)
def test_started_typing_local(self):
self.room_members = [U_APPLE, U_BANANA]