MEDIUM: mux-quic: implement http-keep-alive timeout

Complete QUIC MUX timeout refresh function by using http-keep-alive
timeout. It is used when the connection is idle after having handle at
least one request.

To implement this a new member <idle_start> has been defined in qcc
structure. This is used as timestamp for when the connection became idle
and is used as base time for http keep-alive timeout
2 files changed