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MINOR: quic: Add information to "show quic" for CUBIC cc.

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Add ->state_cli() new callback to quic_cc_algo struct to define a
function called by the "show quic (cc|full)" commands to dump some information
about the congestion algorithm internal state currently in use by the QUIC
connections.

Implement this callback for CUBIC algorithm to dump its internal variables:
   - K: (the time to reach the cubic curve inflexion point),
   - last_w_max: the last maximum window value reached before intering
     the last recovery period. This is also the window value at the
     inflexion point of the cubic curve,
   - wdiff: the difference between the current window value and last_w_max.
     So negative before the inflexion point, and positive after.
This commit is contained in:
Frederic Lecaille
2024-07-26 16:06:27 +02:00
parent 2dab1ba84b
commit 76ff8afa2d
3 changed files with 14 additions and 0 deletions
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include/haproxy/quic_cc-t.h
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@@ -120,6 +120,7 @@ struct quic_cc_algo {
void (*event)(struct quic_cc *cc, struct quic_cc_event *ev);
void (*slow_start)(struct quic_cc *cc);
void (*state_trace)(struct buffer *buf, const struct quic_cc *cc);
void (*state_cli)(struct buffer *buf, const struct quic_cc_path *path);
void (*hystart_start_round)(struct quic_cc *cc, uint64_t pn);
};