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use shutdown

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This commit is contained in:
JackDoan
2026-01-28 13:21:51 -06:00
parent 1584dca21c
commit 13f8f0c308
2 changed files with 3 additions and 24 deletions
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12
interface.go
View File

@@ -505,20 +505,12 @@ func (f *Interface) Close() error {
f.l.WithError(err).Error("Error while closing udp socket")
}
}
for i, r := range f.readers {
if i == 0 {
continue // f.readers[0] is f.inside, which we want to save for last
}
if err := r.Close(); err != nil {
f.l.WithError(err).Error("Error while closing tun reader")
}
}
// Release the tun readers
for _, u := range f.readers {
for i, u := range f.readers {
err := u.Close()
if err != nil {
f.l.WithError(err).Error("Error while closing tun device")
f.l.WithError(err).WithField("i", i).Error("Error while closing tun device")
}
}

15
udp/udp_linux.go
View File

@@ -9,7 +9,6 @@ import (
"net"
"net/netip"
"syscall"
"time"
"unsafe"
"github.com/rcrowley/go-metrics"
@@ -18,8 +17,6 @@ import (
"golang.org/x/sys/unix"
)
var readTimeout = unix.NsecToTimeval(int64(time.Millisecond * 500))
type StdConn struct {
sysFd int
isV4 bool
@@ -50,11 +47,6 @@ func NewListener(l *logrus.Logger, ip netip.Addr, port int, multi bool, batch in
}
}
// Set a read timeout
if err = unix.SetsockoptTimeval(fd, unix.SOL_SOCKET, unix.SO_RCVTIMEO, &readTimeout); err != nil {
return nil, fmt.Errorf("unable to set SO_RCVTIMEO: %s", err)
}
var sa unix.Sockaddr
if ip.Is4() {
sa4 := &unix.SockaddrInet4{Port: port}
@@ -162,9 +154,6 @@ func (u *StdConn) ReadSingle(msgs []rawMessage) (int, error) {
)
if err != 0 {
if err == unix.EAGAIN || err == unix.EINTR {
continue
}
return 0, &net.OpError{Op: "recvmsg", Err: err}
}
@@ -186,9 +175,6 @@ func (u *StdConn) ReadMulti(msgs []rawMessage) (int, error) {
)
if err != 0 {
if err == unix.EAGAIN || err == unix.EINTR {
continue
}
return 0, &net.OpError{Op: "recvmmsg", Err: err}
}
@@ -315,6 +301,7 @@ func (u *StdConn) getMemInfo(meminfo *[unix.SK_MEMINFO_VARS]uint32) error {
}
func (u *StdConn) Close() error {
_ = syscall.Shutdown(u.sysFd, syscall.SHUT_RDWR)
return syscall.Close(u.sysFd)
}