tree 5cc4b1f9fba0668a768ef804c3454d5947bd8f8e
parent 59133d7f0dd7cb4ec46ee7b17b1b71cff79e0309
author Chao Xu <xuchao@google.com> 1583960342 +0000
committer Russ Cox <rsc@golang.org> 1589998994 +0000

http2: perform connection health check

After the connection has been idle for a while, periodic pings are sent
over the connection to check its health. Unhealthy connection is closed
and removed from the connection pool.

Fixes golang/go#31643

Change-Id: Idbbc9cb2d3e26c39f84a33e945e482d41cd8583c
GitHub-Last-Rev: 36607fe185ce6684e9900403f82a298ad5567650
GitHub-Pull-Request: golang/net#55
Reviewed-on: https://go-review.googlesource.com/c/net/+/198040
Run-TryBot: Andrew Bonventre <andybons@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>