diff options
Diffstat (limited to 'synapse/rest/client/room.py')
| -rw-r--r-- | synapse/rest/client/room.py | 100 |
1 files changed, 92 insertions, 8 deletions
diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py index 2f513164cb..3259de4802 100644 --- a/synapse/rest/client/room.py +++ b/synapse/rest/client/room.py @@ -16,9 +16,12 @@ """ This module contains REST servlets to do with rooms: /rooms/<paths> """ import logging import re +from enum import Enum from typing import TYPE_CHECKING, Awaitable, Dict, List, Optional, Tuple from urllib import parse as urlparse +from prometheus_client.core import Histogram + from twisted.web.server import Request from synapse import event_auth @@ -46,6 +49,7 @@ from synapse.http.servlet import ( parse_strings_from_args, ) from synapse.http.site import SynapseRequest +from synapse.logging.context import make_deferred_yieldable, run_in_background from synapse.logging.opentracing import set_tag from synapse.rest.client._base import client_patterns from synapse.rest.client.transactions import HttpTransactionCache @@ -61,6 +65,70 @@ if TYPE_CHECKING: logger = logging.getLogger(__name__) +class _RoomSize(Enum): + """ + Enum to differentiate sizes of rooms. This is a pretty good approximation + about how hard it will be to get events in the room. We could also look at + room "complexity". + """ + + # This doesn't necessarily mean the room is a DM, just that there is a DM + # amount of people there. + DM_SIZE = "direct_message_size" + SMALL = "small" + SUBSTANTIAL = "substantial" + LARGE = "large" + + @staticmethod + def from_member_count(member_count: int) -> "_RoomSize": + if member_count <= 2: + return _RoomSize.DM_SIZE + elif member_count < 100: + return _RoomSize.SMALL + elif member_count < 1000: + return _RoomSize.SUBSTANTIAL + else: + return _RoomSize.LARGE + + +# This is an extra metric on top of `synapse_http_server_response_time_seconds` +# which times the same sort of thing but this one allows us to see values +# greater than 10s. We use a separate dedicated histogram with its own buckets +# so that we don't increase the cardinality of the general one because it's +# multiplied across hundreds of servlets. +messsages_response_timer = Histogram( + "synapse_room_message_list_rest_servlet_response_time_seconds", + "sec", + # We have a label for room size so we can try to see a more realistic + # picture of /messages response time for bigger rooms. We don't want the + # tiny rooms that can always respond fast skewing our results when we're trying + # to optimize the bigger cases. + ["room_size"], + buckets=( + 0.005, + 0.01, + 0.025, + 0.05, + 0.1, + 0.25, + 0.5, + 1.0, + 2.5, + 5.0, + 10.0, + 20.0, + 30.0, + 60.0, + 80.0, + 100.0, + 120.0, + 150.0, + 180.0, + "+Inf", + ), +) + + class TransactionRestServlet(RestServlet): def __init__(self, hs: "HomeServer"): super().__init__() @@ -165,7 +233,7 @@ class RoomStateEventRestServlet(TransactionRestServlet): msg_handler = self.message_handler data = await msg_handler.get_room_data( - user_id=requester.user.to_string(), + requester=requester, room_id=room_id, event_type=event_type, state_key=state_key, @@ -510,7 +578,7 @@ class RoomMemberListRestServlet(RestServlet): events = await handler.get_state_events( room_id=room_id, - user_id=requester.user.to_string(), + requester=requester, at_token=at_token, state_filter=StateFilter.from_types([(EventTypes.Member, None)]), ) @@ -556,6 +624,7 @@ class RoomMessageListRestServlet(RestServlet): def __init__(self, hs: "HomeServer"): super().__init__() self._hs = hs + self.clock = hs.get_clock() self.pagination_handler = hs.get_pagination_handler() self.auth = hs.get_auth() self.store = hs.get_datastores().main @@ -563,6 +632,18 @@ class RoomMessageListRestServlet(RestServlet): async def on_GET( self, request: SynapseRequest, room_id: str ) -> Tuple[int, JsonDict]: + processing_start_time = self.clock.time_msec() + # Fire off and hope that we get a result by the end. + # + # We're using the mypy type ignore comment because the `@cached` + # decorator on `get_number_joined_users_in_room` doesn't play well with + # the type system. Maybe in the future, it can use some ParamSpec + # wizardry to fix it up. + room_member_count_deferred = run_in_background( # type: ignore[call-arg] + self.store.get_number_joined_users_in_room, + room_id, # type: ignore[arg-type] + ) + requester = await self.auth.get_user_by_req(request, allow_guest=True) pagination_config = await PaginationConfig.from_request( self.store, request, default_limit=10 @@ -593,6 +674,12 @@ class RoomMessageListRestServlet(RestServlet): event_filter=event_filter, ) + processing_end_time = self.clock.time_msec() + room_member_count = await make_deferred_yieldable(room_member_count_deferred) + messsages_response_timer.labels( + room_size=_RoomSize.from_member_count(room_member_count) + ).observe((processing_end_time - processing_start_time) / 1000) + return 200, msgs @@ -613,8 +700,7 @@ class RoomStateRestServlet(RestServlet): # Get all the current state for this room events = await self.message_handler.get_state_events( room_id=room_id, - user_id=requester.user.to_string(), - is_guest=requester.is_guest, + requester=requester, ) return 200, events @@ -672,7 +758,7 @@ class RoomEventServlet(RestServlet): == "true" ) if include_unredacted_content and not await self.auth.is_server_admin( - requester.user + requester ): power_level_event = ( await self._storage_controllers.state.get_current_state_event( @@ -1177,9 +1263,7 @@ class TimestampLookupRestServlet(RestServlet): self, request: SynapseRequest, room_id: str ) -> Tuple[int, JsonDict]: requester = await self._auth.get_user_by_req(request) - await self._auth.check_user_in_room_or_world_readable( - room_id, requester.user.to_string() - ) + await self._auth.check_user_in_room_or_world_readable(room_id, requester) timestamp = parse_integer(request, "ts", required=True) direction = parse_string(request, "dir", default="f", allowed_values=["f", "b"]) |