From afbd773dc66d43d066d5a0b4639075a2d09cb4e5 Mon Sep 17 00:00:00 2001 From: Richard van der Hoff Date: Wed, 20 Sep 2017 01:32:42 +0100 Subject: [PATCH] Add some comments to _start_key_lookups --- synapse/crypto/keyring.py | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py index 22bb325cf..d7fd831bf 100644 --- a/synapse/crypto/keyring.py +++ b/synapse/crypto/keyring.py @@ -140,6 +140,12 @@ class Keyring(object): Args: verify_requests (List[VerifyKeyRequest]): """ + + # create a deferred for each server we're going to look up the keys + # for; we'll resolve them once we have completed our lookups. + # These will be passed into wait_for_previous_lookups to block + # any other lookups until we have finished. + # The deferreds are called with no logcontext. server_to_deferred = { rq.server_name: defer.Deferred() for rq in verify_requests @@ -162,6 +168,8 @@ class Keyring(object): # When we've finished fetching all the keys for a given server_name, # resolve the deferred passed to `wait_for_previous_lookups` so that # any lookups waiting will proceed. + # + # map from server name to a set of request ids server_to_request_ids = {} def remove_deferreds(res, server_name, verify_request):