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Merge pull request #156 from matrix-org/erikj/join_perf
Make joining #matrix:matrix.org over federation quicker
This commit is contained in:
commit
36317f3dad
@ -80,6 +80,7 @@ class FederationBase(object):
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destinations=[pdu.origin],
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event_id=pdu.event_id,
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outlier=outlier,
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timeout=10000,
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)
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if new_pdu:
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@ -22,6 +22,7 @@ from .units import Edu
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from synapse.api.errors import (
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CodeMessageException, HttpResponseException, SynapseError,
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)
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from synapse.util import unwrapFirstError
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from synapse.util.expiringcache import ExpiringCache
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from synapse.util.logutils import log_function
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from synapse.events import FrozenEvent
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@ -173,7 +174,7 @@ class FederationClient(FederationBase):
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@defer.inlineCallbacks
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@log_function
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def get_pdu(self, destinations, event_id, outlier=False):
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def get_pdu(self, destinations, event_id, outlier=False, timeout=None):
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"""Requests the PDU with given origin and ID from the remote home
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servers.
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@ -189,6 +190,8 @@ class FederationClient(FederationBase):
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outlier (bool): Indicates whether the PDU is an `outlier`, i.e. if
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it's from an arbitary point in the context as opposed to part
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of the current block of PDUs. Defaults to `False`
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timeout (int): How long to try (in ms) each destination for before
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moving to the next destination. None indicates no timeout.
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Returns:
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Deferred: Results in the requested PDU.
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@ -212,7 +215,7 @@ class FederationClient(FederationBase):
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with limiter:
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transaction_data = yield self.transport_layer.get_event(
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destination, event_id
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destination, event_id, timeout=timeout,
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)
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logger.debug("transaction_data %r", transaction_data)
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@ -370,13 +373,17 @@ class FederationClient(FederationBase):
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for p in content.get("auth_chain", [])
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]
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signed_state = yield self._check_sigs_and_hash_and_fetch(
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signed_state, signed_auth = yield defer.gatherResults(
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[
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self._check_sigs_and_hash_and_fetch(
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destination, state, outlier=True
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)
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signed_auth = yield self._check_sigs_and_hash_and_fetch(
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),
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self._check_sigs_and_hash_and_fetch(
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destination, auth_chain, outlier=True
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)
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],
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consumeErrors=True
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).addErrback(unwrapFirstError)
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auth_chain.sort(key=lambda e: e.depth)
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@ -518,7 +525,7 @@ class FederationClient(FederationBase):
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# Are we missing any?
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seen_events = set(earliest_events_ids)
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seen_events.update(e.event_id for e in signed_events)
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seen_events.update(e.event_id for e in signed_events if e)
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missing_events = {}
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for e in itertools.chain(latest_events, signed_events):
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@ -50,13 +50,15 @@ class TransportLayerClient(object):
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)
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@log_function
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def get_event(self, destination, event_id):
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def get_event(self, destination, event_id, timeout=None):
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""" Requests the pdu with give id and origin from the given server.
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Args:
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destination (str): The host name of the remote home server we want
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to get the state from.
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event_id (str): The id of the event being requested.
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timeout (int): How long to try (in ms) the destination for before
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giving up. None indicates no timeout.
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Returns:
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Deferred: Results in a dict received from the remote homeserver.
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@ -65,7 +67,7 @@ class TransportLayerClient(object):
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destination, event_id)
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path = PREFIX + "/event/%s/" % (event_id, )
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return self.client.get_json(destination, path=path)
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return self.client.get_json(destination, path=path, timeout=timeout)
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@log_function
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def backfill(self, destination, room_id, event_tuples, limit):
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@ -517,30 +517,59 @@ class FederationHandler(BaseHandler):
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# FIXME
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pass
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for e in auth_chain:
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e.internal_metadata.outlier = True
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auth_ids_to_deferred = {}
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if e.event_id == event.event_id:
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continue
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def process_auth_ev(ev):
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auth_ids = [e_id for e_id, _ in ev.auth_events]
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prev_ds = [
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auth_ids_to_deferred[i]
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for i in auth_ids
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if i in auth_ids_to_deferred
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]
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d = defer.Deferred()
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auth_ids_to_deferred[ev.event_id] = d
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@defer.inlineCallbacks
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def f(*_):
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ev.internal_metadata.outlier = True
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try:
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auth_ids = [e_id for e_id, _ in e.auth_events]
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auth = {
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(e.type, e.state_key): e for e in auth_chain
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if e.event_id in auth_ids
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}
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yield self._handle_new_event(
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origin, e, auth_events=auth
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origin, ev, auth_events=auth
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)
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except:
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logger.exception(
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"Failed to handle auth event %s",
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e.event_id,
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ev.event_id,
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)
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for e in state:
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d.callback(None)
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if prev_ds:
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dx = defer.DeferredList(prev_ds)
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dx.addBoth(f)
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else:
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f()
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for e in auth_chain:
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if e.event_id == event.event_id:
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continue
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return
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process_auth_ev(e)
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yield defer.DeferredList(auth_ids_to_deferred.values())
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@defer.inlineCallbacks
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def handle_state(e):
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if e.event_id == event.event_id:
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return
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e.internal_metadata.outlier = True
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try:
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@ -558,6 +587,8 @@ class FederationHandler(BaseHandler):
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e.event_id,
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)
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yield defer.DeferredList([handle_state(e) for e in state])
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auth_ids = [e_id for e_id, _ in event.auth_events]
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auth_events = {
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(e.type, e.state_key): e for e in auth_chain
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@ -893,9 +924,12 @@ class FederationHandler(BaseHandler):
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# This is a hack to fix some old rooms where the initial join event
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# didn't reference the create event in its auth events.
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if event.type == EventTypes.Member and not event.auth_events:
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if len(event.prev_events) == 1:
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c = yield self.store.get_event(event.prev_events[0][0])
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if c.type == EventTypes.Create:
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if len(event.prev_events) == 1 and event.depth < 5:
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c = yield self.store.get_event(
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event.prev_events[0][0],
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allow_none=True,
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)
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if c and c.type == EventTypes.Create:
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auth_events[(c.type, c.state_key)] = c
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try:
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@ -110,7 +110,8 @@ class MatrixFederationHttpClient(object):
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@defer.inlineCallbacks
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def _create_request(self, destination, method, path_bytes,
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body_callback, headers_dict={}, param_bytes=b"",
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query_bytes=b"", retry_on_dns_fail=True):
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query_bytes=b"", retry_on_dns_fail=True,
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timeout=None):
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""" Creates and sends a request to the given url
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"""
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headers_dict[b"User-Agent"] = [self.version_string]
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@ -158,7 +159,7 @@ class MatrixFederationHttpClient(object):
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response = yield self.clock.time_bound_deferred(
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request_deferred,
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time_out=60,
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time_out=timeout/1000. if timeout else 60,
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)
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logger.debug("Got response to %s", method)
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@ -181,7 +182,7 @@ class MatrixFederationHttpClient(object):
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_flatten_response_never_received(e),
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)
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if retries_left:
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if retries_left and not timeout:
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yield sleep(2 ** (5 - retries_left))
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retries_left -= 1
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else:
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@ -334,7 +335,8 @@ class MatrixFederationHttpClient(object):
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defer.returnValue(json.loads(body))
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@defer.inlineCallbacks
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def get_json(self, destination, path, args={}, retry_on_dns_fail=True):
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def get_json(self, destination, path, args={}, retry_on_dns_fail=True,
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timeout=None):
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""" GETs some json from the given host homeserver and path
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Args:
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@ -343,6 +345,9 @@ class MatrixFederationHttpClient(object):
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path (str): The HTTP path.
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args (dict): A dictionary used to create query strings, defaults to
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None.
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timeout (int): How long to try (in ms) the destination for before
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giving up. None indicates no timeout and that the request will
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be retried.
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Returns:
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Deferred: Succeeds when we get *any* HTTP response.
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@ -370,7 +375,8 @@ class MatrixFederationHttpClient(object):
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path.encode("ascii"),
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query_bytes=query_bytes,
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body_callback=body_callback,
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retry_on_dns_fail=retry_on_dns_fail
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retry_on_dns_fail=retry_on_dns_fail,
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timeout=timeout,
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)
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if 200 <= response.code < 300:
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@ -331,11 +331,12 @@ class EventFederationStore(SQLBaseStore):
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" )"
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" AND NOT EXISTS ("
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" SELECT 1 FROM events WHERE event_id = ? AND room_id = ? "
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" AND outlier = ?"
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" )"
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)
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txn.executemany(query, [
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(e_id, room_id, e_id, room_id, e_id, room_id, )
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(e_id, room_id, e_id, room_id, e_id, room_id, False)
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for e_id, _ in prev_events
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])
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