make FederationClient.get_pdu async

pull/6840/head
Richard van der Hoff 2020-02-03 20:41:54 +00:00
parent 0536d0c9be
commit 0cb0c7bcd5
1 changed files with 17 additions and 15 deletions

View File

@ -17,7 +17,7 @@
import copy
import itertools
import logging
from typing import Dict, Iterable, List, Tuple
from typing import Dict, Iterable, List, Optional, Tuple
from prometheus_client import Counter
@ -211,11 +211,14 @@ class FederationClient(FederationBase):
return pdus
@defer.inlineCallbacks
@log_function
def get_pdu(
self, destinations, event_id, room_version, outlier=False, timeout=None
):
async def get_pdu(
self,
destinations: Iterable[str],
event_id: str,
room_version: str,
outlier: bool = False,
timeout: Optional[int] = None,
) -> Optional[EventBase]:
"""Requests the PDU with given origin and ID from the remote home
servers.
@ -223,18 +226,17 @@ class FederationClient(FederationBase):
one succeeds.
Args:
destinations (list): Which homeservers to query
event_id (str): event to fetch
room_version (str): version of the room
outlier (bool): Indicates whether the PDU is an `outlier`, i.e. if
destinations: Which homeservers to query
event_id: event to fetch
room_version: version of the room
outlier: Indicates whether the PDU is an `outlier`, i.e. if
it's from an arbitary point in the context as opposed to part
of the current block of PDUs. Defaults to `False`
timeout (int): How long to try (in ms) each destination for before
timeout: How long to try (in ms) each destination for before
moving to the next destination. None indicates no timeout.
Returns:
Deferred: Results in the requested PDU, or None if we were unable to find
it.
The requested PDU, or None if we were unable to find it.
"""
# TODO: Rate limit the number of times we try and get the same event.
@ -255,7 +257,7 @@ class FederationClient(FederationBase):
continue
try:
transaction_data = yield self.transport_layer.get_event(
transaction_data = await self.transport_layer.get_event(
destination, event_id, timeout=timeout
)
@ -275,7 +277,7 @@ class FederationClient(FederationBase):
pdu = pdu_list[0]
# Check signatures are correct.
signed_pdu = yield self._check_sigs_and_hash(room_version, pdu)
signed_pdu = await self._check_sigs_and_hash(room_version, pdu)
break