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shutdown doesn't work

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This commit is contained in:
JackDoan
2026-01-30 13:44:50 -06:00
parent 6f8424cef1
commit c9d72fd87c
1 changed files with 14 additions and 1 deletions
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15
udp/udp_linux.go
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@@ -9,6 +9,7 @@ import (
"net" "net"
"net/netip" "net/netip"
"syscall" "syscall"
"time"
"unsafe" "unsafe"
"github.com/rcrowley/go-metrics" "github.com/rcrowley/go-metrics"
@@ -17,6 +18,8 @@ import (
"golang.org/x/sys/unix" "golang.org/x/sys/unix"
) )
var readTimeout = unix.NsecToTimeval(int64(3 * time.Second))
type StdConn struct { type StdConn struct {
sysFd int sysFd int
isV4 bool isV4 bool
@@ -47,6 +50,11 @@ 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 var sa unix.Sockaddr
if ip.Is4() { if ip.Is4() {
sa4 := &unix.SockaddrInet4{Port: port} sa4 := &unix.SockaddrInet4{Port: port}
@@ -154,6 +162,9 @@ func (u *StdConn) ReadSingle(msgs []rawMessage) (int, error) {
) )
if err != 0 { if err != 0 {
if err == unix.EAGAIN || err == unix.EINTR {
continue
}
return 0, &net.OpError{Op: "recvmsg", Err: err} return 0, &net.OpError{Op: "recvmsg", Err: err}
} }
@@ -175,6 +186,9 @@ func (u *StdConn) ReadMulti(msgs []rawMessage) (int, error) {
) )
if err != 0 { if err != 0 {
if err == unix.EAGAIN || err == unix.EINTR {
continue
}
return 0, &net.OpError{Op: "recvmmsg", Err: err} return 0, &net.OpError{Op: "recvmmsg", Err: err}
} }
@@ -301,7 +315,6 @@ func (u *StdConn) getMemInfo(meminfo *[unix.SK_MEMINFO_VARS]uint32) error {
} }
func (u *StdConn) Close() error { func (u *StdConn) Close() error {
_ = syscall.Shutdown(u.sysFd, syscall.SHUT_RDWR)
return syscall.Close(u.sysFd) return syscall.Close(u.sysFd)
} }