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Merge branch 'develop' of github.com:matrix-org/synapse into develop

This commit is contained in:
Erik Johnston 2015-02-18 10:29:54 +00:00
commit 2635d4e634
8 changed files with 214 additions and 57 deletions

View file

@ -277,6 +277,7 @@ def setup():
hs.get_pusherpool().start()
hs.get_state_handler().start_caching()
hs.get_datastore().start_profiling()
hs.get_replication_layer().start_get_pdu_cache()
if config.daemonize:
print config.pid_file

View file

@ -19,7 +19,8 @@ from twisted.internet import defer
from .federation_base import FederationBase
from .units import Edu
from synapse.api.errors import CodeMessageException
from synapse.api.errors import CodeMessageException, SynapseError
from synapse.util.expiringcache import ExpiringCache
from synapse.util.logutils import log_function
from synapse.events import FrozenEvent
@ -30,6 +31,20 @@ logger = logging.getLogger(__name__)
class FederationClient(FederationBase):
def __init__(self):
self._get_pdu_cache = None
def start_get_pdu_cache(self):
self._get_pdu_cache = ExpiringCache(
cache_name="get_pdu_cache",
clock=self._clock,
max_len=1000,
expiry_ms=120*1000,
reset_expiry_on_get=False,
)
self._get_pdu_cache.start()
@log_function
def send_pdu(self, pdu, destinations):
"""Informs the replication layer about a new PDU generated within the
@ -160,6 +175,11 @@ class FederationClient(FederationBase):
# TODO: Rate limit the number of times we try and get the same event.
if self._get_pdu_cache:
e = self._get_pdu_cache.get(event_id)
if e:
defer.returnValue(e)
pdu = None
for destination in destinations:
try:
@ -181,8 +201,21 @@ class FederationClient(FederationBase):
pdu = yield self._check_sigs_and_hash(pdu)
break
except CodeMessageException:
raise
except SynapseError:
logger.info(
"Failed to get PDU %s from %s because %s",
event_id, destination, e,
)
continue
except CodeMessageException as e:
if 400 <= e.code < 500:
raise
logger.info(
"Failed to get PDU %s from %s because %s",
event_id, destination, e,
)
continue
except Exception as e:
logger.info(
"Failed to get PDU %s from %s because %s",
@ -190,6 +223,9 @@ class FederationClient(FederationBase):
)
continue
if self._get_pdu_cache is not None:
self._get_pdu_cache[event_id] = pdu
defer.returnValue(pdu)
@defer.inlineCallbacks

View file

@ -114,7 +114,15 @@ class FederationServer(FederationBase):
with PreserveLoggingContext():
dl = []
for pdu in pdu_list:
dl.append(self._handle_new_pdu(transaction.origin, pdu))
d = self._handle_new_pdu(transaction.origin, pdu)
def handle_failure(failure):
failure.trap(FederationError)
self.send_failure(failure.value, transaction.origin)
d.addErrback(handle_failure)
dl.append(d)
if hasattr(transaction, "edus"):
for edu in [Edu(**x) for x in transaction.edus]:
@ -124,6 +132,9 @@ class FederationServer(FederationBase):
edu.content
)
for failure in getattr(transaction, "pdu_failures", []):
logger.info("Got failure %r", failure)
results = yield defer.DeferredList(dl, consumeErrors=True)
ret = []
@ -132,10 +143,16 @@ class FederationServer(FederationBase):
ret.append({})
else:
logger.exception(r[1])
ret.append({"error": str(r[1])})
ret.append({"error": str(r[1].value)})
logger.debug("Returning: %s", str(ret))
response = {
"pdus": dict(zip(
(p.event_id for p in pdu_list), ret
)),
}
yield self.transaction_actions.set_response(
transaction,
200, response

View file

@ -91,7 +91,7 @@ class TransactionQueue(object):
if not deferred.called:
deferred.errback(failure)
else:
logger.warn("Failed to send pdu", failure)
logger.warn("Failed to send pdu", failure.value)
with PreserveLoggingContext():
self._attempt_new_transaction(destination).addErrback(eb)
@ -116,7 +116,7 @@ class TransactionQueue(object):
if not deferred.called:
deferred.errback(failure)
else:
logger.warn("Failed to send edu", failure)
logger.warn("Failed to send edu", failure.value)
with PreserveLoggingContext():
self._attempt_new_transaction(destination).addErrback(eb)
@ -133,6 +133,15 @@ class TransactionQueue(object):
(failure, deferred)
)
def eb(failure):
if not deferred.called:
deferred.errback(failure)
else:
logger.warn("Failed to send failure", failure.value)
with PreserveLoggingContext():
self._attempt_new_transaction(destination).addErrback(eb)
yield deferred
@defer.inlineCallbacks
@ -249,6 +258,15 @@ class TransactionQueue(object):
transaction, json_data_cb
)
code = 200
if response:
for e_id, r in getattr(response, "pdus", {}).items():
if "error" in r:
logger.warn(
"Transaction returned error for %s: %s",
e_id, r,
)
except HttpResponseException as e:
code = e.code
response = e.response

View file

@ -146,14 +146,22 @@ class MatrixFederationHttpClient(object):
)
raise SynapseError(400, "Domain specified not found.")
if hasattr(e, "reasons"):
reasons = ", ".join(
f.value.message
for f in e.reasons
)
else:
reasons = e.message
logger.warn(
"Sending request failed to %s: %s %s : %s",
"Sending request failed to %s: %s %s: %s - %s",
destination,
method,
url_bytes,
e
type(e). __name__,
reasons,
)
_print_ex(e)
if retries_left:
yield sleep(2 ** (5 - retries_left))
@ -447,14 +455,6 @@ def _readBodyToFile(response, stream, max_size):
return d
def _print_ex(e):
if hasattr(e, "reasons") and e.reasons:
for ex in e.reasons:
_print_ex(ex)
else:
logger.warn(e)
class _JsonProducer(object):
""" Used by the twisted http client to create the HTTP body from json
"""

View file

@ -18,6 +18,7 @@ from twisted.internet import defer
from synapse.util.logutils import log_function
from synapse.util.async import run_on_reactor
from synapse.util.expiringcache import ExpiringCache
from synapse.api.constants import EventTypes
from synapse.api.errors import AuthError
from synapse.events.snapshot import EventContext
@ -51,7 +52,6 @@ class _StateCacheEntry(object):
def __init__(self, state, state_group, ts):
self.state = state
self.state_group = state_group
self.ts = ts
class StateHandler(object):
@ -69,12 +69,15 @@ class StateHandler(object):
def start_caching(self):
logger.debug("start_caching")
self._state_cache = {}
self._state_cache = ExpiringCache(
cache_name="state_cache",
clock=self.clock,
max_len=SIZE_OF_CACHE,
expiry_ms=EVICTION_TIMEOUT_SECONDS*1000,
reset_expiry_on_get=True,
)
def f():
self._prune_cache()
self.clock.looping_call(f, 5*1000)
self._state_cache.start()
@defer.inlineCallbacks
def get_current_state(self, room_id, event_type=None, state_key=""):
@ -409,34 +412,3 @@ class StateHandler(object):
return -int(e.depth), hashlib.sha1(e.event_id).hexdigest()
return sorted(events, key=key_func)
def _prune_cache(self):
logger.debug(
"_prune_cache. before len: %d",
len(self._state_cache.keys())
)
now = self.clock.time_msec()
if len(self._state_cache.keys()) > SIZE_OF_CACHE:
sorted_entries = sorted(
self._state_cache.items(),
key=lambda k, v: v.ts,
)
for k, _ in sorted_entries[SIZE_OF_CACHE:]:
self._state_cache.pop(k)
keys_to_delete = set()
for key, cache_entry in self._state_cache.items():
if now - cache_entry.ts > EVICTION_TIMEOUT_SECONDS*1000:
keys_to_delete.add(key)
for k in keys_to_delete:
self._state_cache.pop(k)
logger.debug(
"_prune_cache. after len: %d",
len(self._state_cache.keys())
)

View file

@ -99,8 +99,6 @@ class Clock(object):
except:
pass
return res
given_deferred.addCallbacks(callback=sucess, errback=err)
timer = self.call_later(time_out, timed_out_fn)

View file

@ -0,0 +1,115 @@
# -*- coding: utf-8 -*-
# Copyright 2015 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.
import logging
logger = logging.getLogger(__name__)
class ExpiringCache(object):
def __init__(self, cache_name, clock, max_len=0, expiry_ms=0,
reset_expiry_on_get=False):
"""
Args:
cache_name (str): Name of this cache, used for logging.
clock (Clock)
max_len (int): Max size of dict. If the dict grows larger than this
then the oldest items get automatically evicted. Default is 0,
which indicates there is no max limit.
expiry_ms (int): How long before an item is evicted from the cache
in milliseconds. Default is 0, indicating items never get
evicted based on time.
reset_expiry_on_get (bool): If true, will reset the expiry time for
an item on access. Defaults to False.
"""
self._cache_name = cache_name
self._clock = clock
self._max_len = max_len
self._expiry_ms = expiry_ms
self._reset_expiry_on_get = reset_expiry_on_get
self._cache = {}
def start(self):
if not self._expiry_ms:
# Don't bother starting the loop if things never expire
return
def f():
self._prune_cache()
self._clock.looping_call(f, self._expiry_ms/2)
def __setitem__(self, key, value):
now = self._clock.time_msec()
self._cache[key] = _CacheEntry(now, value)
# Evict if there are now too many items
if self._max_len and len(self._cache.keys()) > self._max_len:
sorted_entries = sorted(
self._cache.items(),
key=lambda k, v: v.time,
)
for k, _ in sorted_entries[self._max_len:]:
self._cache.pop(k)
def __getitem__(self, key):
entry = self._cache[key]
if self._reset_expiry_on_get:
entry.time = self._clock.time_msec()
return entry.value
def get(self, key, default=None):
try:
return self[key]
except KeyError:
return default
def _prune_cache(self):
if not self._expiry_ms:
# zero expiry time means don't expire. This should never get called
# since we have this check in start too.
return
begin_length = len(self._cache)
now = self._clock.time_msec()
keys_to_delete = set()
for key, cache_entry in self._cache.items():
if now - cache_entry.time > self._expiry_ms:
keys_to_delete.add(key)
for k in keys_to_delete:
self._cache.pop(k)
logger.debug(
"[%s] _prune_cache before: %d, after len: %d",
self._cache_name, begin_length, len(self._cache.keys())
)
class _CacheEntry(object):
def __init__(self, time, value):
self.time = time
self.value = value