mirror of https://github.com/k3s-io/k3s
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package remotedialer
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import (
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"context"
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"time"
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"github.com/gorilla/websocket"
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"github.com/sirupsen/logrus"
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)
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func (s *Session) startPingsWhileWindows(rootCtx context.Context) {
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ctx, cancel := context.WithCancel(rootCtx)
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s.pingCancel = cancel
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s.pingWait.Add(1)
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go func() {
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defer s.pingWait.Done()
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t := time.NewTicker(PingWriteInterval)
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defer t.Stop()
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for {
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select {
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case <-ctx.Done():
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return
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case <-t.C:
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s.conn.Lock()
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if err := s.conn.conn.WriteControl(websocket.PingMessage, []byte(""), time.Now().Add(time.Second)); err != nil {
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logrus.WithError(err).Error("Error writing ping")
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}
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logrus.Debug("Wrote ping")
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s.conn.Unlock()
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}
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}
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}()
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}
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func (s *Session) ServeWhileWindows(ctx context.Context) (int, error) {
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if s.client {
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s.startPingsWhileWindows(ctx)
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}
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for {
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msType, reader, err := s.conn.NextReader()
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if err != nil {
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return 400, err
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}
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if msType != websocket.BinaryMessage {
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return 400, errWrongMessageType
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}
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if err := s.serveMessage(reader); err != nil {
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return 500, err
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}
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}
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}
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