tree e37f172161db204ffc4e5963149304c659ab8e1f
parent 662a35953f17eb3844e04e1bd578db2e764a9d53
author Junho Choi <junho.choi@gmail.com> 1664584838 +0100
committer Junho Choi <junho.choi@gmail.com> 1664895235 -0700
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delivery rate: fix where on_packet_sent() hook is called

Fix where `delivery_rate.on_packet_sent()` is called to be
after updating the time to send the packet. It will reduce the
chance that `rate_sample.interval` is shorter than `min_rtt`,
especailly useful for low latency (<1ms) network.

Also, when updating `first_time_sent` when the network is idle
(bytes_in_flight == 0), use the packet's timestamp. `now` may
be in the future.