mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
synced 2024-12-30 09:48:56 +00:00
163 lines
3.8 KiB
Python
163 lines
3.8 KiB
Python
"""
|
|
Ported to Python 3.
|
|
"""
|
|
from __future__ import (
|
|
print_function,
|
|
unicode_literals,
|
|
absolute_import,
|
|
division,
|
|
)
|
|
|
|
from future.utils import PY2
|
|
if PY2:
|
|
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
|
|
|
|
from six import ensure_text
|
|
|
|
import json
|
|
|
|
from os.path import (
|
|
join,
|
|
)
|
|
from urllib.parse import (
|
|
urlsplit,
|
|
)
|
|
|
|
import attr
|
|
|
|
from twisted.internet.defer import (
|
|
Deferred,
|
|
)
|
|
from twisted.internet.endpoints import (
|
|
HostnameEndpoint,
|
|
)
|
|
|
|
import treq
|
|
|
|
from autobahn.twisted.websocket import (
|
|
WebSocketClientFactory,
|
|
WebSocketClientProtocol,
|
|
)
|
|
|
|
from allmydata.client import (
|
|
read_config,
|
|
)
|
|
from allmydata.web.private import (
|
|
SCHEME,
|
|
)
|
|
from allmydata.util.eliotutil import (
|
|
inline_callbacks,
|
|
)
|
|
|
|
import pytest_twisted
|
|
|
|
def _url_to_endpoint(reactor, url):
|
|
netloc = urlsplit(url).netloc
|
|
host, port = netloc.split(":")
|
|
return HostnameEndpoint(reactor, host, int(port))
|
|
|
|
|
|
class _StreamingLogClientProtocol(WebSocketClientProtocol):
|
|
def onOpen(self):
|
|
self.factory.on_open.callback(self)
|
|
|
|
def onMessage(self, payload, isBinary):
|
|
if self.on_message is None:
|
|
# Already did our job, ignore it
|
|
return
|
|
on_message = self.on_message
|
|
self.on_message = None
|
|
on_message.callback(payload)
|
|
|
|
def onClose(self, wasClean, code, reason):
|
|
self.on_close.callback(reason)
|
|
|
|
|
|
def _connect_client(reactor, api_auth_token, ws_url):
|
|
factory = WebSocketClientFactory(
|
|
url=ws_url,
|
|
headers={
|
|
"Authorization": "{} {}".format(str(SCHEME, "ascii"), api_auth_token),
|
|
}
|
|
)
|
|
factory.protocol = _StreamingLogClientProtocol
|
|
factory.on_open = Deferred()
|
|
|
|
endpoint = _url_to_endpoint(reactor, ws_url)
|
|
return endpoint.connect(factory)
|
|
|
|
|
|
def _race(left, right):
|
|
"""
|
|
Wait for the first result from either of two Deferreds.
|
|
|
|
Any result, success or failure, causes the return Deferred to fire. It
|
|
fires with either a Left or a Right instance depending on whether the left
|
|
or right argument fired first.
|
|
|
|
The Deferred that loses the race is cancelled and any result it eventually
|
|
produces is discarded.
|
|
"""
|
|
racing = [True]
|
|
def got_result(result, which):
|
|
if racing:
|
|
racing.pop()
|
|
loser = which.pick(left, right)
|
|
loser.cancel()
|
|
finished.callback(which(result))
|
|
|
|
finished = Deferred()
|
|
left.addBoth(got_result, Left)
|
|
right.addBoth(got_result, Right)
|
|
return finished
|
|
|
|
|
|
@attr.s
|
|
class Left(object):
|
|
value = attr.ib()
|
|
|
|
@classmethod
|
|
def pick(cls, left, right):
|
|
return left
|
|
|
|
|
|
@attr.s
|
|
class Right(object):
|
|
value = attr.ib()
|
|
|
|
@classmethod
|
|
def pick(cls, left, right):
|
|
return right
|
|
|
|
|
|
@inline_callbacks
|
|
def _test_streaming_logs(reactor, temp_dir, alice):
|
|
cfg = read_config(join(temp_dir, "alice"), "portnum")
|
|
node_url = cfg.get_config_from_file("node.url")
|
|
api_auth_token = cfg.get_private_config("api_auth_token")
|
|
|
|
ws_url = ensure_text(node_url).replace("http://", "ws://")
|
|
log_url = ws_url + "private/logs/v1"
|
|
|
|
print("Connecting to {}".format(log_url))
|
|
client = yield _connect_client(reactor, api_auth_token, log_url)
|
|
print("Connected.")
|
|
client.on_close = Deferred()
|
|
client.on_message = Deferred()
|
|
|
|
# Capture this now before on_message perhaps goes away.
|
|
racing = _race(client.on_close, client.on_message)
|
|
|
|
# Provoke _some_ log event.
|
|
yield treq.get(node_url)
|
|
|
|
result = yield racing
|
|
|
|
assert isinstance(result, Right)
|
|
json.loads(result.value)
|
|
|
|
|
|
@pytest_twisted.inlineCallbacks
|
|
def test_streaming_logs(reactor, temp_dir, alice):
|
|
yield _test_streaming_logs(reactor, temp_dir, alice)
|