mirror of
https://github.com/SagerNet/sing.git
synced 2025-04-04 20:37:40 +03:00
29 lines
814 B
Go
29 lines
814 B
Go
package control
|
|
|
|
import (
|
|
"syscall"
|
|
"time"
|
|
_ "unsafe"
|
|
|
|
E "github.com/sagernet/sing/common/exceptions"
|
|
N "github.com/sagernet/sing/common/network"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func SetKeepAlivePeriod(idle time.Duration, interval time.Duration) Func {
|
|
return func(network, address string, conn syscall.RawConn) error {
|
|
if N.NetworkName(network) != N.NetworkTCP {
|
|
return nil
|
|
}
|
|
return Raw(conn, func(fd uintptr) error {
|
|
return E.Errors(
|
|
unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_KEEPIDLE, int(roundDurationUp(idle, time.Second))),
|
|
unix.SetsockoptInt(int(fd), unix.IPPROTO_TCP, unix.TCP_KEEPINTVL, int(roundDurationUp(interval, time.Second))),
|
|
)
|
|
})
|
|
}
|
|
}
|
|
|
|
//go:linkname roundDurationUp net.roundDurationUp
|
|
func roundDurationUp(d time.Duration, to time.Duration) time.Duration
|