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Don't fail on the batch at the first error (#1826)

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This commit is contained in:
Nate Brown
2026-07-27 14:43:30 -05:00
committed by GitHub
parent 6bf424f749
commit 88872a8433
14 changed files with 155 additions and 58 deletions
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overlay/batch/tx_batch.go
+7 -4
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@@ -6,7 +6,7 @@ const SendBatchCap = 128
// batchWriter is the minimal subset of udp.Conn needed by SendBatch to flush.
type batchWriter interface {
WriteBatch(bufs [][]byte, addrs []netip.AddrPort, outerECNs []byte) error
WriteBatch(bufs [][]byte, addrs []netip.AddrPort, outerECNs []byte) (int, error)
}
// SendBatch accumulates encrypted UDP packets and flushes them via WriteBatch.
@@ -46,15 +46,18 @@ func (b *SendBatch) Commit(pkt []byte, dst netip.AddrPort, outerECN byte) {
b.ecns = append(b.ecns, outerECN)
}
func (b *SendBatch) Flush() error {
// Flush writes every queued packet and reports how many actually went out. A short count means some destinations
// were undeliverable; the batch is drained either way.
func (b *SendBatch) Flush() (int, error) {
var err error
written := 0
if len(b.bufs) > 0 {
err = b.out.WriteBatch(b.bufs, b.dsts, b.ecns)
written, err = b.out.WriteBatch(b.bufs, b.dsts, b.ecns)
}
clear(b.bufs)
b.bufs = b.bufs[:0]
b.dsts = b.dsts[:0]
b.ecns = b.ecns[:0]
b.arena.Reset()
return err
return written, err
}