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//go:build linux || zos
package tcp
import (
"fmt"
"net"
"time"
"golang.org/x/sys/unix"
)
// SetUserTimeout sets the TCP user timeout on a connection's socket.
func SetUserTimeout(conn *net.TCPConn, timeout time.Duration) error {
rawConn, err := conn.SyscallConn()
if err != nil {
return fmt.Errorf("Error getting raw connection: %w", err)
}
err = rawConn.Control(func(fd uintptr) {
err = unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_USER_TIMEOUT, int(timeout/time.Millisecond))
})
if err != nil {
return fmt.Errorf("Error setting TCP_USER_TIMEOUT option on socket: %w", err)
}
return nil
}
|
