Home-Assistant
/
core
mirror of https://github.com/home-assistant/core.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Improve websocket throughput of state changes (#86855) 

After the start event we tend to get an event storm of state
changes which can get the websocket behind. #86854 will
help with that a bit, but we can reduce the overhead
to build a state diff when the attributes have not
changed
pull/86876/head
J. Nick Koston 2023-01-28 17:05:06 -10:00 committed by GitHub
parent 799edd90aa
commit ec3475910f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
homeassistant/components/websocket_api/messages.py
View File

@ -161,12 +161,14 @@ def _state_diff(
additions[COMPRESSED_STATE_CONTEXT]["id"] = new_state.context.id
else:
additions[COMPRESSED_STATE_CONTEXT] = new_state.context.id
old_attributes = old_state.attributes
for key, value in new_state.attributes.items():
if old_attributes.get(key) != value:
additions.setdefault(COMPRESSED_STATE_ATTRIBUTES, {})[key] = value
if removed := set(old_attributes).difference(new_state.attributes):
diff[STATE_DIFF_REMOVALS] = {COMPRESSED_STATE_ATTRIBUTES: removed}
if (old_attributes := old_state.attributes) != (
new_attributes := new_state.attributes
):
for key, value in new_attributes.items():
if old_attributes.get(key) != value:
additions.setdefault(COMPRESSED_STATE_ATTRIBUTES, {})[key] = value
if removed := set(old_attributes).difference(new_attributes):
diff[STATE_DIFF_REMOVALS] = {COMPRESSED_STATE_ATTRIBUTES: removed}
return {ENTITY_EVENT_CHANGE: {new_state.entity_id: diff}}