k3s/vendor/github.com/rancher/remotedialer/session_windows.go
Darren Shepherd 16f7aaab66 Update vendor
2019-05-25 23:44:33 -07:00

58 lines
1.1 KiB
Go

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