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don't preallocate the slice for STREAM frames when composing a packet (#4314)

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The slice will be allocated when STREAM frames are appended. By not
preallocating it is made sure that the slice is only created in cases
where STREAM frames are actually sent in this packet.
This commit is contained in:
Marten Seemann 2024-02-09 11:53:24 +07:00 • committed by GitHub
parent 229ff4fa4c
commit f54a32ec28
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1 changed files with 1 additions and 2 deletions
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3
packet_packer.go
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@ -589,12 +589,11 @@ func (p *packetPacker) composeNextPacket(maxFrameSize protocol.ByteCount, onlyAc
return payload{}
}
pl := payload{streamFrames: make([]ackhandler.StreamFrame, 0, 1)}
hasData := p.framer.HasData()
hasRetransmission := p.retransmissionQueue.HasAppData()
var hasAck bool
var pl payload
if ackAllowed {
if ack := p.acks.GetAckFrame(protocol.Encryption1RTT, !hasRetransmission && !hasData); ack != nil {
pl.ack = ack