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Quietly log error on UDP_NETRESET ioctl on Windows. (#1453) (#1568)
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Browse Source 
Co-authored-by: brad-defined <77982333+brad-defined@users.noreply.github.com>
This commit is contained in:
Nate Brown
2026-01-09 10:35:09 -06:00
committed by GitHub
parent 2f71d6b22d
commit 69259e6307
2 changed files with 37 additions and 12 deletions
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16
udp/udp_generic.go
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@@ -10,9 +10,11 @@ package udp
import (
"context"
"errors"
"fmt"
"net"
"net/netip"
"time"
"github.com/sirupsen/logrus"
"github.com/slackhq/nebula/config"
@@ -74,12 +76,22 @@ type rawMessage struct {
func (u *GenericConn) ListenOut(r EncReader) {
buffer := make([]byte, MTU)
var lastRecvErr time.Time
for {
// Just read one packet at a time
n, rua, err := u.ReadFromUDPAddrPort(buffer)
if err != nil {
u.l.WithError(err).Debug("udp socket is closed, exiting read loop")
return
if errors.Is(err, net.ErrClosed) {
u.l.WithError(err).Debug("udp socket is closed, exiting read loop")
return
}
// Dampen unexpected message warns to once per minute
if lastRecvErr.IsZero() || time.Since(lastRecvErr) > time.Minute {
lastRecvErr = time.Now()
u.l.WithError(err).Warn("unexpected udp socket receive error")
}
continue
}
r(netip.AddrPortFrom(rua.Addr().Unmap(), rua.Port()), buffer[:n])