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Merge pull request #156 from matrix-org/erikj/join_perf

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Make joining #matrix:matrix.org over federation quicker
This commit is contained in:
Mark Haines 2015-05-22 16:09:54 +01:00
commit 36317f3dad
6 changed files with 92 additions and 41 deletions
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1
synapse/federation/federation_base.py
View file

@ -80,6 +80,7 @@ class FederationBase(object):
destinations=[pdu.origin],
event_id=pdu.event_id,
outlier=outlier,
timeout=10000,
)
if new_pdu:

27
synapse/federation/federation_client.py
View file

@ -22,6 +22,7 @@ from .units import Edu
from synapse.api.errors import (
CodeMessageException, HttpResponseException, SynapseError,
)
from synapse.util import unwrapFirstError
from synapse.util.expiringcache import ExpiringCache
from synapse.util.logutils import log_function
from synapse.events import FrozenEvent
@ -173,7 +174,7 @@ class FederationClient(FederationBase):
@defer.inlineCallbacks
@log_function
def get_pdu(self, destinations, event_id, outlier=False):
def get_pdu(self, destinations, event_id, outlier=False, timeout=None):
"""Requests the PDU with given origin and ID from the remote home
servers.
@ -189,6 +190,8 @@ class FederationClient(FederationBase):
outlier (bool): Indicates whether the PDU is an `outlier`, i.e. if
it's from an arbitary point in the context as opposed to part
of the current block of PDUs. Defaults to `False`
timeout (int): How long to try (in ms) each destination for before
moving to the next destination. None indicates no timeout.
Returns:
Deferred: Results in the requested PDU.
@ -212,7 +215,7 @@ class FederationClient(FederationBase):
with limiter:
transaction_data = yield self.transport_layer.get_event(
destination, event_id
destination, event_id, timeout=timeout,
)
logger.debug("transaction_data %r", transaction_data)
@ -370,13 +373,17 @@ class FederationClient(FederationBase):
for p in content.get("auth_chain", [])
]
signed_state = yield self._check_sigs_and_hash_and_fetch(
destination, state, outlier=True
)
signed_auth = yield self._check_sigs_and_hash_and_fetch(
destination, auth_chain, outlier=True
)
signed_state, signed_auth = yield defer.gatherResults(
[
self._check_sigs_and_hash_and_fetch(
destination, state, outlier=True
),
self._check_sigs_and_hash_and_fetch(
destination, auth_chain, outlier=True
)
],
consumeErrors=True
).addErrback(unwrapFirstError)
auth_chain.sort(key=lambda e: e.depth)
@ -518,7 +525,7 @@ class FederationClient(FederationBase):
# Are we missing any?
seen_events = set(earliest_events_ids)
seen_events.update(e.event_id for e in signed_events)
seen_events.update(e.event_id for e in signed_events if e)
missing_events = {}
for e in itertools.chain(latest_events, signed_events):

6
synapse/federation/transport/client.py
View file

@ -50,13 +50,15 @@ class TransportLayerClient(object):
)
@log_function
def get_event(self, destination, event_id):
def get_event(self, destination, event_id, timeout=None):
""" Requests the pdu with give id and origin from the given server.
Args:
destination (str): The host name of the remote home server we want
to get the state from.
event_id (str): The id of the event being requested.
timeout (int): How long to try (in ms) the destination for before
giving up. None indicates no timeout.
Returns:
Deferred: Results in a dict received from the remote homeserver.
@ -65,7 +67,7 @@ class TransportLayerClient(object):
destination, event_id)
path = PREFIX + "/event/%s/" % (event_id, )
return self.client.get_json(destination, path=path)
return self.client.get_json(destination, path=path, timeout=timeout)
@log_function
def backfill(self, destination, room_id, event_tuples, limit):

78
synapse/handlers/federation.py
View file

@ -517,30 +517,59 @@ class FederationHandler(BaseHandler):
# FIXME
pass
auth_ids_to_deferred = {}
def process_auth_ev(ev):
auth_ids = [e_id for e_id, _ in ev.auth_events]
prev_ds = [
auth_ids_to_deferred[i]
for i in auth_ids
if i in auth_ids_to_deferred
]
d = defer.Deferred()
auth_ids_to_deferred[ev.event_id] = d
@defer.inlineCallbacks
def f(*_):
ev.internal_metadata.outlier = True
try:
auth = {
(e.type, e.state_key): e for e in auth_chain
if e.event_id in auth_ids
}
yield self._handle_new_event(
origin, ev, auth_events=auth
)
except:
logger.exception(
"Failed to handle auth event %s",
ev.event_id,
)
d.callback(None)
if prev_ds:
dx = defer.DeferredList(prev_ds)
dx.addBoth(f)
else:
f()
for e in auth_chain:
e.internal_metadata.outlier = True
if e.event_id == event.event_id:
continue
return
process_auth_ev(e)
try:
auth_ids = [e_id for e_id, _ in e.auth_events]
auth = {
(e.type, e.state_key): e for e in auth_chain
if e.event_id in auth_ids
}
yield self._handle_new_event(
origin, e, auth_events=auth
)
except:
logger.exception(
"Failed to handle auth event %s",
e.event_id,
)
yield defer.DeferredList(auth_ids_to_deferred.values())
for e in state:
@defer.inlineCallbacks
def handle_state(e):
if e.event_id == event.event_id:
continue
return
e.internal_metadata.outlier = True
try:
@ -558,6 +587,8 @@ class FederationHandler(BaseHandler):
e.event_id,
)
yield defer.DeferredList([handle_state(e) for e in state])
auth_ids = [e_id for e_id, _ in event.auth_events]
auth_events = {
(e.type, e.state_key): e for e in auth_chain
@ -893,9 +924,12 @@ class FederationHandler(BaseHandler):
# This is a hack to fix some old rooms where the initial join event
# didn't reference the create event in its auth events.
if event.type == EventTypes.Member and not event.auth_events:
if len(event.prev_events) == 1:
c = yield self.store.get_event(event.prev_events[0][0])
if c.type == EventTypes.Create:
if len(event.prev_events) == 1 and event.depth < 5:
c = yield self.store.get_event(
event.prev_events[0][0],
allow_none=True,
)
if c and c.type == EventTypes.Create:
auth_events[(c.type, c.state_key)] = c
try:

16
synapse/http/matrixfederationclient.py
View file

@ -110,7 +110,8 @@ class MatrixFederationHttpClient(object):
@defer.inlineCallbacks
def _create_request(self, destination, method, path_bytes,
body_callback, headers_dict={}, param_bytes=b"",
query_bytes=b"", retry_on_dns_fail=True):
query_bytes=b"", retry_on_dns_fail=True,
timeout=None):
""" Creates and sends a request to the given url
"""
headers_dict[b"User-Agent"] = [self.version_string]
@ -158,7 +159,7 @@ class MatrixFederationHttpClient(object):
response = yield self.clock.time_bound_deferred(
request_deferred,
time_out=60,
time_out=timeout/1000. if timeout else 60,
)
logger.debug("Got response to %s", method)
@ -181,7 +182,7 @@ class MatrixFederationHttpClient(object):
_flatten_response_never_received(e),
)
if retries_left:
if retries_left and not timeout:
yield sleep(2 ** (5 - retries_left))
retries_left -= 1
else:
@ -334,7 +335,8 @@ class MatrixFederationHttpClient(object):
defer.returnValue(json.loads(body))
@defer.inlineCallbacks
def get_json(self, destination, path, args={}, retry_on_dns_fail=True):
def get_json(self, destination, path, args={}, retry_on_dns_fail=True,
timeout=None):
""" GETs some json from the given host homeserver and path
Args:
@ -343,6 +345,9 @@ class MatrixFederationHttpClient(object):
path (str): The HTTP path.
args (dict): A dictionary used to create query strings, defaults to
None.
timeout (int): How long to try (in ms) the destination for before
giving up. None indicates no timeout and that the request will
be retried.
Returns:
Deferred: Succeeds when we get *any* HTTP response.
@ -370,7 +375,8 @@ class MatrixFederationHttpClient(object):
path.encode("ascii"),
query_bytes=query_bytes,
body_callback=body_callback,
retry_on_dns_fail=retry_on_dns_fail
retry_on_dns_fail=retry_on_dns_fail,
timeout=timeout,
)
if 200 <= response.code < 300:

5
synapse/storage/event_federation.py
View file

@ -330,12 +330,13 @@ class EventFederationStore(SQLBaseStore):
" WHERE event_id = ? AND room_id = ?"
" )"
" AND NOT EXISTS ("
" SELECT 1 FROM events WHERE event_id = ? AND room_id = ?"
" SELECT 1 FROM events WHERE event_id = ? AND room_id = ? "
" AND outlier = ?"
" )"
)
txn.executemany(query, [
(e_id, room_id, e_id, room_id, e_id, room_id, )
(e_id, room_id, e_id, room_id, e_id, room_id, False)
for e_id, _ in prev_events
])