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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-12-22 18:17:52 -05:00
v2fly/transport/internet/sockopt_windows.go
2022-10-08 09:03:51 +08:00

108 lines
3.0 KiB
Go

package internet
import (
"net"
"syscall"
"golang.org/x/sys/windows"
)
const (
TCP_FASTOPEN = 15 // nolint: revive,stylecheck
IP_UNICAST_IF = 31 // nolint: revive,stylecheck
IPV6_UNICAST_IF = 31 // nolint: revive,stylecheck
)
func setTFO(fd syscall.Handle, settings SocketConfig_TCPFastOpenState) error {
switch settings {
case SocketConfig_Enable:
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, 1); err != nil {
return err
}
case SocketConfig_Disable:
if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
return err
}
}
return nil
}
func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
return err
}
if config.TcpKeepAliveIdle > 0 {
if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, 1); err != nil {
return newError("failed to set SO_KEEPALIVE", err)
}
}
}
if config.BindToDevice != "" {
iface, err := net.InterfaceByName(config.BindToDevice)
if err != nil {
return newError("failed to get interface ", config.BindToDevice).Base(err)
}
if err := windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IP, IP_UNICAST_IF, iface.Index); err != nil {
return newError("failed to set IP_UNICAST_IF", err)
}
if err := windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IPV6, IPV6_UNICAST_IF, iface.Index); err != nil {
return newError("failed to set IPV6_UNICAST_IF", err)
}
}
if config.TxBufSize != 0 {
if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_SNDBUF, int(config.TxBufSize)); err != nil {
return newError("failed to set SO_SNDBUF").Base(err)
}
}
if config.RxBufSize != 0 {
if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_RCVBUF, int(config.TxBufSize)); err != nil {
return newError("failed to set SO_RCVBUF").Base(err)
}
}
return nil
}
func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
if isTCPSocket(network) {
if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
return err
}
if config.TcpKeepAliveIdle > 0 {
if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, 1); err != nil {
return newError("failed to set SO_KEEPALIVE", err)
}
}
}
if config.TxBufSize != 0 {
if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_SNDBUF, int(config.TxBufSize)); err != nil {
return newError("failed to set SO_SNDBUF").Base(err)
}
}
if config.RxBufSize != 0 {
if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_RCVBUF, int(config.TxBufSize)); err != nil {
return newError("failed to set SO_RCVBUF").Base(err)
}
}
return nil
}
func bindAddr(fd uintptr, ip []byte, port uint32) error {
return nil
}
func setReuseAddr(fd uintptr) error {
return nil
}
func setReusePort(fd uintptr) error {
return nil
}