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star/netforward/setcpinfo_darwin.go

59 lines
1.4 KiB
Go

//go:build darwin
package netforward
import (
"golang.org/x/sys/unix"
"net"
"syscall"
)
func SetTcpInfo(conn *net.TCPConn, usingKeepAlive bool, keepAliveIdel, keepAlivePeriod, keepAliveCount, userTimeout int) error {
rawConn, err := conn.SyscallConn()
if err != nil {
return err
}
if usingKeepAlive {
err = rawConn.Control(func(fd uintptr) {
err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, syscall.TCP_KEEPALIVE, keepAliveIdel)
if err != nil {
return
}
err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, 0x101, keepAlivePeriod)
if err != nil {
return
}
})
} else {
err = conn.SetKeepAlive(false)
}
if userTimeout > 0 {
err = rawConn.Control(func(fd uintptr) {
err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, 0x12, userTimeout)
})
}
return err
}
func SetReUseAddr(fd uintptr) {
syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1)
syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, unix.SO_REUSEPORT, 1)
}
func ControlSetReUseAddr(network, address string, c syscall.RawConn) (err error) {
if err := c.Control(func(fd uintptr) {
err = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEADDR, 1)
if err != nil {
return
}
err = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1)
if err != nil {
return
}
}); err != nil {
return err
}
return err
}