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Save the current TCP pacing rate in t_pacing_rate.

Authored by jhb on Oct 19 2020, 10:20 PM.

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jhb requested review of this revision.Oct 19 2020, 10:20 PM

Having this around avoids the need to query an existing tag for a rate for TLS + rate limit tags. It also makes the race window where TLS can "miss" a rate change smaller.

One question I have is if we have to use -1 as the rate for unlimited, or if a rate value of 0 (which feels a bit more natural) would work ok? If 0 works, then I'd change this to a uint64_t.

This revision was not accepted when it landed; it landed in state Needs Review.Oct 29 2020, 12:03 AM
This revision was automatically updated to reflect the committed changes.