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Reverse: portal-worker should not be closed before making sure there is at least one other active worker (#4869)

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patterniha 2025-07-23 12:09:17 +02:00 • committed by GitHub
parent 308f8a7459
commit b065595f58
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GPG key ID: B5690EEEBB952194
3 changed files with 21 additions and 9 deletions
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18
app/reverse/portal.go
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@ -170,7 +170,7 @@ func (p *StaticMuxPicker) PickAvailable() (*mux.ClientWorker, error) {
if w.draining {
continue
}
if w.client.Closed() {
if w.IsFull() {
continue
}
if w.client.ActiveConnections() < minConn {
@ -211,6 +211,7 @@ type PortalWorker struct {
writer buf.Writer
reader buf.Reader
draining bool
counter uint32
}
func NewPortalWorker(client *mux.ClientWorker) (*PortalWorker, error) {
@ -244,7 +245,7 @@ func NewPortalWorker(client *mux.ClientWorker) (*PortalWorker, error) {
}
func (w *PortalWorker) heartbeat() error {
if w.client.Closed() {
if w.Closed() {
return errors.New("client worker stopped")
}
@ -260,16 +261,21 @@ func (w *PortalWorker) heartbeat() error {
msg.State = Control_DRAIN
defer func() {
w.client.GetTimer().Reset(time.Second * 16)
common.Close(w.writer)
common.Interrupt(w.reader)
w.writer = nil
}()
}
b, err := proto.Marshal(msg)
common.Must(err)
mb := buf.MergeBytes(nil, b)
return w.writer.WriteMultiBuffer(mb)
w.counter = (w.counter + 1) % 5
if w.draining || w.counter == 1 {
b, err := proto.Marshal(msg)
common.Must(err)
mb := buf.MergeBytes(nil, b)
return w.writer.WriteMultiBuffer(mb)
}
return nil
}
func (w *PortalWorker) IsFull() bool {