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Handle already discarded packets in discard_excess_packets (#22594) (#22634)

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(cherry picked from commit 38b02bbcc0)

Co-authored-by: sakridge <sakridge@gmail.com>
This commit is contained in:
mergify[bot]
2022-01-22 01:10:31 +00:00
committed by GitHub
parent edf1954817
commit 9c01d90c70
1 changed files with 5 additions and 1 deletions
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6
core/src/sigverify_stage.rs
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@ -194,6 +194,7 @@ impl SigVerifyStage {
.iter_mut()
.rev()
.flat_map(|batch| batch.packets.iter_mut().rev())
.filter(|packet| !packet.meta.discard)
.map(|packet| (packet.meta.addr, packet))
.into_group_map();
// Allocate max_packets evenly across addresses.
@ -370,11 +371,14 @@ mod tests {
let mut batch = PacketBatch::default();
batch.packets.resize(10, Packet::default());
batch.packets[3].meta.addr = [1u16; 8];
batch.packets[3].meta.discard = true;
batch.packets[4].meta.addr = [2u16; 8];
let mut batches = vec![batch];
let max = 3;
SigVerifyStage::discard_excess_packets(&mut batches, max);
assert_eq!(count_non_discard(&batches), max);
assert!(!batches[0].packets[0].meta.discard);
assert!(!batches[0].packets[3].meta.discard);
assert!(batches[0].packets[3].meta.discard);
assert!(!batches[0].packets[4].meta.discard);
}
}