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https://github.com/cwinfo/yggdrasil-go.git
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use a dedicated per-stream writer goroutine, send messages to it over a 1-buffered channel, this eliminates most of the false positive blocking that causes drops
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parent
527d443916
commit
15ac2595aa
@ -256,6 +256,11 @@ func (intf *linkInterface) handler() error {
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intf.link.core.log.Infof("Disconnected %s: %s, source %s",
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strings.ToUpper(intf.info.linkType), themString, intf.info.local)
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}
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intf.writer.Act(nil, func() {
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if intf.writer.worker != nil {
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close(intf.writer.worker)
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}
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})
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return err
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}
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@ -428,7 +433,8 @@ func (intf *linkInterface) notifyDoKeepAlive() {
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type linkWriter struct {
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phony.Inbox
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intf *linkInterface
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intf *linkInterface
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worker chan [][]byte
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}
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func (w *linkWriter) sendFrom(from phony.Actor, bss [][]byte, isLinkTraffic bool) {
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@ -437,8 +443,19 @@ func (w *linkWriter) sendFrom(from phony.Actor, bss [][]byte, isLinkTraffic bool
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for _, bs := range bss {
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size += len(bs)
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}
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if w.worker == nil {
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w.worker = make(chan [][]byte, 1)
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go func() {
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for bss := range w.worker {
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w.intf.msgIO.writeMsgs(bss)
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}
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}()
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}
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w.intf.notifySending(size, isLinkTraffic)
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w.intf.msgIO.writeMsgs(bss)
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func() {
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defer func() { recover() }()
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w.worker <- bss
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}()
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w.intf.notifySent(size, isLinkTraffic)
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})
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}
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