diff --git a/synapse/http/client.py b/synapse/http/client.py
index 3771e0b3f6..ab4fbf59b2 100644
--- a/synapse/http/client.py
+++ b/synapse/http/client.py
@@ -42,7 +42,7 @@ from twisted.web.http_headers import Headers
from synapse.api.errors import Codes, HttpResponseException, SynapseError
from synapse.http import cancelled_to_request_timed_out_error, redact_uri
from synapse.http.endpoint import SpiderEndpoint
-from synapse.util.async import add_timeout_to_deferred
+from synapse.util.async_helpers import add_timeout_to_deferred
from synapse.util.caches import CACHE_SIZE_FACTOR
from synapse.util.logcontext import make_deferred_yieldable
diff --git a/synapse/http/endpoint.py b/synapse/http/endpoint.py
index d65daa72bb..b0c9369519 100644
--- a/synapse/http/endpoint.py
+++ b/synapse/http/endpoint.py
@@ -26,7 +26,6 @@ from twisted.names.error import DNSNameError, DomainError
logger = logging.getLogger(__name__)
-
SERVER_CACHE = {}
# our record of an individual server which can be tried to reach a destination.
@@ -103,15 +102,16 @@ def parse_and_validate_server_name(server_name):
return host, port
-def matrix_federation_endpoint(reactor, destination, ssl_context_factory=None,
+def matrix_federation_endpoint(reactor, destination, tls_client_options_factory=None,
timeout=None):
"""Construct an endpoint for the given matrix destination.
Args:
reactor: Twisted reactor.
destination (bytes): The name of the server to connect to.
- ssl_context_factory (twisted.internet.ssl.ContextFactory): Factory
- which generates SSL contexts to use for TLS.
+ tls_client_options_factory
+ (synapse.crypto.context_factory.ClientTLSOptionsFactory):
+ Factory which generates TLS options for client connections.
timeout (int): connection timeout in seconds
"""
@@ -122,13 +122,13 @@ def matrix_federation_endpoint(reactor, destination, ssl_context_factory=None,
if timeout is not None:
endpoint_kw_args.update(timeout=timeout)
- if ssl_context_factory is None:
+ if tls_client_options_factory is None:
transport_endpoint = HostnameEndpoint
default_port = 8008
else:
def transport_endpoint(reactor, host, port, timeout):
return wrapClientTLS(
- ssl_context_factory,
+ tls_client_options_factory.get_options(host),
HostnameEndpoint(reactor, host, port, timeout=timeout))
default_port = 8448
diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index bf1aa29502..b34bb8e31a 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -43,7 +43,7 @@ from synapse.api.errors import (
from synapse.http import cancelled_to_request_timed_out_error
from synapse.http.endpoint import matrix_federation_endpoint
from synapse.util import logcontext
-from synapse.util.async import add_timeout_to_deferred
+from synapse.util.async_helpers import add_timeout_to_deferred
from synapse.util.logcontext import make_deferred_yieldable
logger = logging.getLogger(__name__)
@@ -61,14 +61,14 @@ MAX_SHORT_RETRIES = 3
class MatrixFederationEndpointFactory(object):
def __init__(self, hs):
- self.tls_server_context_factory = hs.tls_server_context_factory
+ self.tls_client_options_factory = hs.tls_client_options_factory
def endpointForURI(self, uri):
destination = uri.netloc
return matrix_federation_endpoint(
reactor, destination, timeout=10,
- ssl_context_factory=self.tls_server_context_factory
+ tls_client_options_factory=self.tls_client_options_factory
)
@@ -133,7 +133,7 @@ class MatrixFederationHttpClient(object):
failures, connection failures, SSL failures.)
"""
if (
- self.hs.config.federation_domain_whitelist and
+ self.hs.config.federation_domain_whitelist is not None and
destination not in self.hs.config.federation_domain_whitelist
):
raise FederationDeniedError(destination)
@@ -439,7 +439,7 @@ 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=None, retry_on_dns_fail=True,
timeout=None, ignore_backoff=False):
""" GETs some json from the given host homeserver and path
@@ -447,7 +447,7 @@ class MatrixFederationHttpClient(object):
destination (str): The remote server to send the HTTP request
to.
path (str): The HTTP path.
- args (dict): A dictionary used to create query strings, defaults to
+ args (dict|None): 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
@@ -702,6 +702,9 @@ def check_content_type_is_json(headers):
def encode_query_args(args):
+ if args is None:
+ return b""
+
encoded_args = {}
for k, vs in args.items():
if isinstance(vs, string_types):
diff --git a/synapse/http/request_metrics.py b/synapse/http/request_metrics.py
index 588e280571..72c2654678 100644
--- a/synapse/http/request_metrics.py
+++ b/synapse/http/request_metrics.py
@@ -15,6 +15,7 @@
# limitations under the License.
import logging
+import threading
from prometheus_client.core import Counter, Histogram
@@ -111,6 +112,9 @@ in_flight_requests_db_sched_duration = Counter(
# The set of all in flight requests, set[RequestMetrics]
_in_flight_requests = set()
+# Protects the _in_flight_requests set from concurrent accesss
+_in_flight_requests_lock = threading.Lock()
+
def _get_in_flight_counts():
"""Returns a count of all in flight requests by (method, server_name)
@@ -120,7 +124,8 @@ def _get_in_flight_counts():
"""
# Cast to a list to prevent it changing while the Prometheus
# thread is collecting metrics
- reqs = list(_in_flight_requests)
+ with _in_flight_requests_lock:
+ reqs = list(_in_flight_requests)
for rm in reqs:
rm.update_metrics()
@@ -154,10 +159,12 @@ class RequestMetrics(object):
# to the "in flight" metrics.
self._request_stats = self.start_context.get_resource_usage()
- _in_flight_requests.add(self)
+ with _in_flight_requests_lock:
+ _in_flight_requests.add(self)
def stop(self, time_sec, request):
- _in_flight_requests.discard(self)
+ with _in_flight_requests_lock:
+ _in_flight_requests.discard(self)
context = LoggingContext.current_context()
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 6dacb31037..2d5c23e673 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -25,8 +25,9 @@ from canonicaljson import encode_canonical_json, encode_pretty_printed_json, jso
from twisted.internet import defer
from twisted.python import failure
-from twisted.web import resource, server
+from twisted.web import resource
from twisted.web.server import NOT_DONE_YET
+from twisted.web.static import NoRangeStaticProducer
from twisted.web.util import redirectTo
import synapse.events
@@ -37,10 +38,13 @@ from synapse.api.errors import (
SynapseError,
UnrecognizedRequestError,
)
-from synapse.http.request_metrics import requests_counter
from synapse.util.caches import intern_dict
-from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
-from synapse.util.metrics import Measure
+from synapse.util.logcontext import preserve_fn
+
+if PY3:
+ from io import BytesIO
+else:
+ from cStringIO import StringIO as BytesIO
logger = logging.getLogger(__name__)
@@ -60,11 +64,10 @@ HTML_ERROR_TEMPLATE = """<!DOCTYPE html>
def wrap_json_request_handler(h):
"""Wraps a request handler method with exception handling.
- Also adds logging as per wrap_request_handler_with_logging.
+ Also does the wrapping with request.processing as per wrap_async_request_handler.
The handler method must have a signature of "handle_foo(self, request)",
- where "self" must have a "clock" attribute (and "request" must be a
- SynapseRequest).
+ where "request" must be a SynapseRequest.
The handler must return a deferred. If the deferred succeeds we assume that
a response has been sent. If the deferred fails with a SynapseError we use
@@ -108,24 +111,23 @@ def wrap_json_request_handler(h):
pretty_print=_request_user_agent_is_curl(request),
)
- return wrap_request_handler_with_logging(wrapped_request_handler)
+ return wrap_async_request_handler(wrapped_request_handler)
def wrap_html_request_handler(h):
"""Wraps a request handler method with exception handling.
- Also adds logging as per wrap_request_handler_with_logging.
+ Also does the wrapping with request.processing as per wrap_async_request_handler.
The handler method must have a signature of "handle_foo(self, request)",
- where "self" must have a "clock" attribute (and "request" must be a
- SynapseRequest).
+ where "request" must be a SynapseRequest.
"""
def wrapped_request_handler(self, request):
d = defer.maybeDeferred(h, self, request)
d.addErrback(_return_html_error, request)
return d
- return wrap_request_handler_with_logging(wrapped_request_handler)
+ return wrap_async_request_handler(wrapped_request_handler)
def _return_html_error(f, request):
@@ -170,46 +172,26 @@ def _return_html_error(f, request):
finish_request(request)
-def wrap_request_handler_with_logging(h):
- """Wraps a request handler to provide logging and metrics
+def wrap_async_request_handler(h):
+ """Wraps an async request handler so that it calls request.processing.
+
+ This helps ensure that work done by the request handler after the request is completed
+ is correctly recorded against the request metrics/logs.
The handler method must have a signature of "handle_foo(self, request)",
- where "self" must have a "clock" attribute (and "request" must be a
- SynapseRequest).
+ where "request" must be a SynapseRequest.
- As well as calling `request.processing` (which will log the response and
- duration for this request), the wrapped request handler will insert the
- request id into the logging context.
+ The handler may return a deferred, in which case the completion of the request isn't
+ logged until the deferred completes.
"""
@defer.inlineCallbacks
- def wrapped_request_handler(self, request):
- """
- Args:
- self:
- request (synapse.http.site.SynapseRequest):
- """
+ def wrapped_async_request_handler(self, request):
+ with request.processing():
+ yield h(self, request)
- request_id = request.get_request_id()
- with LoggingContext(request_id) as request_context:
- request_context.request = request_id
- with Measure(self.clock, "wrapped_request_handler"):
- # we start the request metrics timer here with an initial stab
- # at the servlet name. For most requests that name will be
- # JsonResource (or a subclass), and JsonResource._async_render
- # will update it once it picks a servlet.
- servlet_name = self.__class__.__name__
- with request.processing(servlet_name):
- with PreserveLoggingContext(request_context):
- d = defer.maybeDeferred(h, self, request)
-
- # record the arrival of the request *after*
- # dispatching to the handler, so that the handler
- # can update the servlet name in the request
- # metrics
- requests_counter.labels(request.method,
- request.request_metrics.name).inc()
- yield d
- return wrapped_request_handler
+ # we need to preserve_fn here, because the synchronous render method won't yield for
+ # us (obviously)
+ return preserve_fn(wrapped_async_request_handler)
class HttpServer(object):
@@ -272,7 +254,7 @@ class JsonResource(HttpServer, resource.Resource):
""" This gets called by twisted every time someone sends us a request.
"""
self._async_render(request)
- return server.NOT_DONE_YET
+ return NOT_DONE_YET
@wrap_json_request_handler
@defer.inlineCallbacks
@@ -413,8 +395,7 @@ def respond_with_json(request, code, json_object, send_cors=False,
return
if pretty_print:
- json_bytes = (encode_pretty_printed_json(json_object) + "\n"
- ).encode("utf-8")
+ json_bytes = encode_pretty_printed_json(json_object) + b"\n"
else:
if canonical_json or synapse.events.USE_FROZEN_DICTS:
# canonicaljson already encodes to bytes
@@ -450,8 +431,12 @@ def respond_with_json_bytes(request, code, json_bytes, send_cors=False,
if send_cors:
set_cors_headers(request)
- request.write(json_bytes)
- finish_request(request)
+ # todo: we can almost certainly avoid this copy and encode the json straight into
+ # the bytesIO, but it would involve faffing around with string->bytes wrappers.
+ bytes_io = BytesIO(json_bytes)
+
+ producer = NoRangeStaticProducer(request, bytes_io)
+ producer.start()
return NOT_DONE_YET
diff --git a/synapse/http/servlet.py b/synapse/http/servlet.py
index 69f7085291..a1e4b88e6d 100644
--- a/synapse/http/servlet.py
+++ b/synapse/http/servlet.py
@@ -29,7 +29,7 @@ def parse_integer(request, name, default=None, required=False):
Args:
request: the twisted HTTP request.
- name (str): the name of the query parameter.
+ name (bytes/unicode): the name of the query parameter.
default (int|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
@@ -46,6 +46,10 @@ def parse_integer(request, name, default=None, required=False):
def parse_integer_from_args(args, name, default=None, required=False):
+
+ if not isinstance(name, bytes):
+ name = name.encode('ascii')
+
if name in args:
try:
return int(args[name][0])
@@ -65,7 +69,7 @@ def parse_boolean(request, name, default=None, required=False):
Args:
request: the twisted HTTP request.
- name (str): the name of the query parameter.
+ name (bytes/unicode): the name of the query parameter.
default (bool|None): value to use if the parameter is absent, defaults
to None.
required (bool): whether to raise a 400 SynapseError if the
@@ -83,11 +87,15 @@ def parse_boolean(request, name, default=None, required=False):
def parse_boolean_from_args(args, name, default=None, required=False):
+
+ if not isinstance(name, bytes):
+ name = name.encode('ascii')
+
if name in args:
try:
return {
- "true": True,
- "false": False,
+ b"true": True,
+ b"false": False,
}[args[name][0]]
except Exception:
message = (
@@ -104,21 +112,29 @@ def parse_boolean_from_args(args, name, default=None, required=False):
def parse_string(request, name, default=None, required=False,
- allowed_values=None, param_type="string"):
- """Parse a string parameter from the request query string.
+ allowed_values=None, param_type="string", encoding='ascii'):
+ """
+ Parse a string parameter from the request query string.
+
+ If encoding is not None, the content of the query param will be
+ decoded to Unicode using the encoding, otherwise it will be encoded
Args:
request: the twisted HTTP request.
- name (str): the name of the query parameter.
- default (str|None): value to use if the parameter is absent, defaults
- to None.
+ name (bytes/unicode): the name of the query parameter.
+ default (bytes/unicode|None): value to use if the parameter is absent,
+ defaults to None. Must be bytes if encoding is None.
required (bool): whether to raise a 400 SynapseError if the
parameter is absent, defaults to False.
- allowed_values (list[str]): List of allowed values for the string,
- or None if any value is allowed, defaults to None
+ allowed_values (list[bytes/unicode]): List of allowed values for the
+ string, or None if any value is allowed, defaults to None. Must be
+ the same type as name, if given.
+ encoding: The encoding to decode the name to, and decode the string
+ content with.
Returns:
- str|None: A string value or the default.
+ bytes/unicode|None: A string value or the default. Unicode if encoding
+ was given, bytes otherwise.
Raises:
SynapseError if the parameter is absent and required, or if the
@@ -126,14 +142,22 @@ def parse_string(request, name, default=None, required=False,
is not one of those allowed values.
"""
return parse_string_from_args(
- request.args, name, default, required, allowed_values, param_type,
+ request.args, name, default, required, allowed_values, param_type, encoding
)
def parse_string_from_args(args, name, default=None, required=False,
- allowed_values=None, param_type="string"):
+ allowed_values=None, param_type="string", encoding='ascii'):
+
+ if not isinstance(name, bytes):
+ name = name.encode('ascii')
+
if name in args:
value = args[name][0]
+
+ if encoding:
+ value = value.decode(encoding)
+
if allowed_values is not None and value not in allowed_values:
message = "Query parameter %r must be one of [%s]" % (
name, ", ".join(repr(v) for v in allowed_values)
@@ -146,6 +170,10 @@ def parse_string_from_args(args, name, default=None, required=False,
message = "Missing %s query parameter %r" % (param_type, name)
raise SynapseError(400, message, errcode=Codes.MISSING_PARAM)
else:
+
+ if encoding and isinstance(default, bytes):
+ return default.decode(encoding)
+
return default
diff --git a/synapse/http/site.py b/synapse/http/site.py
index 5fd30a4c2c..88ed3714f9 100644
--- a/synapse/http/site.py
+++ b/synapse/http/site.py
@@ -11,7 +11,6 @@
# 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 contextlib
import logging
import time
@@ -19,8 +18,8 @@ import time
from twisted.web.server import Request, Site
from synapse.http import redact_uri
-from synapse.http.request_metrics import RequestMetrics
-from synapse.util.logcontext import ContextResourceUsage, LoggingContext
+from synapse.http.request_metrics import RequestMetrics, requests_counter
+from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
logger = logging.getLogger(__name__)
@@ -34,25 +33,43 @@ class SynapseRequest(Request):
It extends twisted's twisted.web.server.Request, and adds:
* Unique request ID
+ * A log context associated with the request
* Redaction of access_token query-params in __repr__
* Logging at start and end
* Metrics to record CPU, wallclock and DB time by endpoint.
- It provides a method `processing` which should be called by the Resource
- which is handling the request, and returns a context manager.
+ It also provides a method `processing`, which returns a context manager. If this
+ method is called, the request won't be logged until the context manager is closed;
+ this is useful for asynchronous request handlers which may go on processing the
+ request even after the client has disconnected.
+ Attributes:
+ logcontext(LoggingContext) : the log context for this request
"""
def __init__(self, site, channel, *args, **kw):
Request.__init__(self, channel, *args, **kw)
self.site = site
- self._channel = channel
+ self._channel = channel # this is used by the tests
self.authenticated_entity = None
self.start_time = 0
+ # we can't yet create the logcontext, as we don't know the method.
+ self.logcontext = None
+
global _next_request_seq
self.request_seq = _next_request_seq
_next_request_seq += 1
+ # whether an asynchronous request handler has called processing()
+ self._is_processing = False
+
+ # the time when the asynchronous request handler completed its processing
+ self._processing_finished_time = None
+
+ # what time we finished sending the response to the client (or the connection
+ # dropped)
+ self.finish_time = None
+
def __repr__(self):
# We overwrite this so that we don't log ``access_token``
return '<%s at 0x%x method=%r uri=%r clientproto=%r site=%r>' % (
@@ -74,11 +91,116 @@ class SynapseRequest(Request):
return self.requestHeaders.getRawHeaders(b"User-Agent", [None])[-1]
def render(self, resrc):
+ # this is called once a Resource has been found to serve the request; in our
+ # case the Resource in question will normally be a JsonResource.
+
+ # create a LogContext for this request
+ request_id = self.get_request_id()
+ logcontext = self.logcontext = LoggingContext(request_id)
+ logcontext.request = request_id
+
# override the Server header which is set by twisted
self.setHeader("Server", self.site.server_version_string)
- return Request.render(self, resrc)
+
+ with PreserveLoggingContext(self.logcontext):
+ # we start the request metrics timer here with an initial stab
+ # at the servlet name. For most requests that name will be
+ # JsonResource (or a subclass), and JsonResource._async_render
+ # will update it once it picks a servlet.
+ servlet_name = resrc.__class__.__name__
+ self._started_processing(servlet_name)
+
+ Request.render(self, resrc)
+
+ # record the arrival of the request *after*
+ # dispatching to the handler, so that the handler
+ # can update the servlet name in the request
+ # metrics
+ requests_counter.labels(self.method,
+ self.request_metrics.name).inc()
+
+ @contextlib.contextmanager
+ def processing(self):
+ """Record the fact that we are processing this request.
+
+ Returns a context manager; the correct way to use this is:
+
+ @defer.inlineCallbacks
+ def handle_request(request):
+ with request.processing("FooServlet"):
+ yield really_handle_the_request()
+
+ Once the context manager is closed, the completion of the request will be logged,
+ and the various metrics will be updated.
+ """
+ if self._is_processing:
+ raise RuntimeError("Request is already processing")
+ self._is_processing = True
+
+ try:
+ yield
+ except Exception:
+ # this should already have been caught, and sent back to the client as a 500.
+ logger.exception("Asynchronous messge handler raised an uncaught exception")
+ finally:
+ # the request handler has finished its work and either sent the whole response
+ # back, or handed over responsibility to a Producer.
+
+ self._processing_finished_time = time.time()
+ self._is_processing = False
+
+ # if we've already sent the response, log it now; otherwise, we wait for the
+ # response to be sent.
+ if self.finish_time is not None:
+ self._finished_processing()
+
+ def finish(self):
+ """Called when all response data has been written to this Request.
+
+ Overrides twisted.web.server.Request.finish to record the finish time and do
+ logging.
+ """
+ self.finish_time = time.time()
+ Request.finish(self)
+ if not self._is_processing:
+ with PreserveLoggingContext(self.logcontext):
+ self._finished_processing()
+
+ def connectionLost(self, reason):
+ """Called when the client connection is closed before the response is written.
+
+ Overrides twisted.web.server.Request.connectionLost to record the finish time and
+ do logging.
+ """
+ self.finish_time = time.time()
+ Request.connectionLost(self, reason)
+
+ # we only get here if the connection to the client drops before we send
+ # the response.
+ #
+ # It's useful to log it here so that we can get an idea of when
+ # the client disconnects.
+ with PreserveLoggingContext(self.logcontext):
+ logger.warn(
+ "Error processing request %r: %s %s", self, reason.type, reason.value,
+ )
+
+ if not self._is_processing:
+ self._finished_processing()
def _started_processing(self, servlet_name):
+ """Record the fact that we are processing this request.
+
+ This will log the request's arrival. Once the request completes,
+ be sure to call finished_processing.
+
+ Args:
+ servlet_name (str): the name of the servlet which will be
+ processing this request. This is used in the metrics.
+
+ It is possible to update this afterwards by updating
+ self.request_metrics.name.
+ """
self.start_time = time.time()
self.request_metrics = RequestMetrics()
self.request_metrics.start(
@@ -94,18 +216,32 @@ class SynapseRequest(Request):
)
def _finished_processing(self):
- try:
- context = LoggingContext.current_context()
- usage = context.get_resource_usage()
- except Exception:
- usage = ContextResourceUsage()
+ """Log the completion of this request and update the metrics
+ """
+
+ if self.logcontext is None:
+ # this can happen if the connection closed before we read the
+ # headers (so render was never called). In that case we'll already
+ # have logged a warning, so just bail out.
+ return
+
+ usage = self.logcontext.get_resource_usage()
+
+ if self._processing_finished_time is None:
+ # we completed the request without anything calling processing()
+ self._processing_finished_time = time.time()
- end_time = time.time()
+ # the time between receiving the request and the request handler finishing
+ processing_time = self._processing_finished_time - self.start_time
+
+ # the time between the request handler finishing and the response being sent
+ # to the client (nb may be negative)
+ response_send_time = self.finish_time - self._processing_finished_time
# need to decode as it could be raw utf-8 bytes
# from a IDN servname in an auth header
authenticated_entity = self.authenticated_entity
- if authenticated_entity is not None:
+ if authenticated_entity is not None and isinstance(authenticated_entity, bytes):
authenticated_entity = authenticated_entity.decode("utf-8", "replace")
# ...or could be raw utf-8 bytes in the User-Agent header.
@@ -116,22 +252,31 @@ class SynapseRequest(Request):
user_agent = self.get_user_agent()
if user_agent is not None:
user_agent = user_agent.decode("utf-8", "replace")
+ else:
+ user_agent = "-"
+
+ code = str(self.code)
+ if not self.finished:
+ # we didn't send the full response before we gave up (presumably because
+ # the connection dropped)
+ code += "!"
self.site.access_logger.info(
"%s - %s - {%s}"
- " Processed request: %.3fsec (%.3fsec, %.3fsec) (%.3fsec/%.3fsec/%d)"
+ " Processed request: %.3fsec/%.3fsec (%.3fsec, %.3fsec) (%.3fsec/%.3fsec/%d)"
" %sB %s \"%s %s %s\" \"%s\" [%d dbevts]",
self.getClientIP(),
self.site.site_tag,
authenticated_entity,
- end_time - self.start_time,
+ processing_time,
+ response_send_time,
usage.ru_utime,
usage.ru_stime,
usage.db_sched_duration_sec,
usage.db_txn_duration_sec,
int(usage.db_txn_count),
self.sentLength,
- self.code,
+ code,
self.method,
self.get_redacted_uri(),
self.clientproto,
@@ -140,38 +285,10 @@ class SynapseRequest(Request):
)
try:
- self.request_metrics.stop(end_time, self)
+ self.request_metrics.stop(self.finish_time, self)
except Exception as e:
logger.warn("Failed to stop metrics: %r", e)
- @contextlib.contextmanager
- def processing(self, servlet_name):
- """Record the fact that we are processing this request.
-
- Returns a context manager; the correct way to use this is:
-
- @defer.inlineCallbacks
- def handle_request(request):
- with request.processing("FooServlet"):
- yield really_handle_the_request()
-
- This will log the request's arrival. Once the context manager is
- closed, the completion of the request will be logged, and the various
- metrics will be updated.
-
- Args:
- servlet_name (str): the name of the servlet which will be
- processing this request. This is used in the metrics.
-
- It is possible to update this afterwards by updating
- self.request_metrics.servlet_name.
- """
- # TODO: we should probably just move this into render() and finish(),
- # to save having to call a separate method.
- self._started_processing(servlet_name)
- yield
- self._finished_processing()
-
class XForwardedForRequest(SynapseRequest):
def __init__(self, *args, **kw):
@@ -217,7 +334,7 @@ class SynapseSite(Site):
proxied = config.get("x_forwarded", False)
self.requestFactory = SynapseRequestFactory(self, proxied)
self.access_logger = logging.getLogger(logger_name)
- self.server_version_string = server_version_string
+ self.server_version_string = server_version_string.encode('ascii')
def log(self, request):
pass
|
