Add access log options for UDP session access log to support flushing session access log periodically, and support flushing session access log on upstream tunnel connected when using UDP tunneling.
Additional Description:
Risk Level: low
Testing: unit tests, integration tests
Docs Changes:
Release Notes:
Platform Specific Features: None
Signed-off-by: Issa Abu Kalbein <iabukalbein@microsoft.com>
Mirrored from https://github.com/envoyproxy/envoy @ 1d4981bacacf33fdc5f60cfd56bede2802770a79