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TCP: advertising the currently available window size (#35)

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ddirect
2026-02-09 02:24:24 +02:00
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parent 199d978c99
commit 085c7033cd
1 changed files with 1 additions and 0 deletions
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tcp/handler.go
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@@ -255,6 +255,7 @@ func (h *Handler) Send(b []byte) (int, error) {
var ok bool var ok bool
available := min(buffered, len(b)-sizeHeaderTCP) available := min(buffered, len(b)-sizeHeaderTCP)
segment, ok = h.scb.PendingSegment(available) segment, ok = h.scb.PendingSegment(available)
segment.WND = Size(h.bufRx.Free())
if !ok { if !ok {
// No pending control segment or data to send. Yield. // No pending control segment or data to send. Yield.
return 0, nil return 0, nil