Marten Seemann 8f3a68b4eb ackhandler: use a slice to keep track of sent packets (#3841) ...

* ackhandler: simplify deletion of old packets in packet history

* ackhandler: use a slice to keep track of sent packets

This is a vastly simpler data structure than the combination of map
and linked list used before. It avoids using a linked list (bad cache
locality) and a sync.Pool (for list elements), as well as having to do
hash table lookups.

In the future, this can be easily replaces with a ring buffer, avoiding
all allocations.

* ackhandler: don't store packets that were declared lost

2023-06-04 02:36:38 -07:00

3.9 KiB

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