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# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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
import warnings
from io import StringIO
from unittest.mock import Mock
from pyperf import perf_counter
from twisted.internet.defer import Deferred
from twisted.internet.protocol import ServerFactory
from twisted.logger import LogBeginner, LogPublisher
from twisted.protocols.basic import LineOnlyReceiver
from synapse.config.logger import _setup_stdlib_logging
from synapse.logging import RemoteHandler
from synapse.util import Clock
class LineCounter(LineOnlyReceiver):
delimiter = b"\n"
def __init__(self, *args, **kwargs):
self.count = 0
super().__init__(*args, **kwargs)
def lineReceived(self, line):
self.count += 1
if self.count >= self.factory.wait_for and self.factory.on_done:
on_done = self.factory.on_done
self.factory.on_done = None
on_done.callback(True)
async def main(reactor, loops):
"""
Benchmark how long it takes to send `loops` messages.
"""
servers = []
def protocol():
p = LineCounter()
servers.append(p)
return p
logger_factory = ServerFactory.forProtocol(protocol)
logger_factory.wait_for = loops
logger_factory.on_done = Deferred()
port = reactor.listenTCP(0, logger_factory, interface="127.0.0.1")
# A fake homeserver config.
class Config:
server_name = "synmark-" + str(loops)
no_redirect_stdio = True
hs_config = Config()
# To be able to sleep.
clock = Clock(reactor)
errors = StringIO()
publisher = LogPublisher()
mock_sys = Mock()
beginner = LogBeginner(
publisher, errors, mock_sys, warnings, initialBufferSize=loops
)
log_config = {
"version": 1,
"loggers": {"synapse": {"level": "DEBUG", "handlers": ["tersejson"]}},
"formatters": {"tersejson": {"class": "synapse.logging.TerseJsonFormatter"}},
"handlers": {
"tersejson": {
"class": "synapse.logging.RemoteHandler",
"host": "127.0.0.1",
"port": port.getHost().port,
"maximum_buffer": 100,
"_reactor": reactor,
}
},
}
logger = logging.getLogger("synapse.logging.test_terse_json")
_setup_stdlib_logging(
hs_config,
log_config,
logBeginner=beginner,
)
# Wait for it to connect...
for handler in logging.getLogger("synapse").handlers:
if isinstance(handler, RemoteHandler):
break
else:
raise RuntimeError("Improperly configured: no RemoteHandler found.")
await handler._service.whenConnected()
start = perf_counter()
# Send a bunch of useful messages
for i in range(loops):
logger.info("test message %s", i)
if len(handler._buffer) == handler.maximum_buffer:
while len(handler._buffer) > handler.maximum_buffer / 2:
await clock.sleep(0.01)
await logger_factory.on_done
end = perf_counter() - start
handler.close()
port.stopListening()
return end
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