mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-09 19:58:45 -05:00
108 lines
3.0 KiB
Go
108 lines
3.0 KiB
Go
package internet
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import (
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"net"
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"syscall"
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"golang.org/x/sys/windows"
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)
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const (
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TCP_FASTOPEN = 15 // nolint: revive,stylecheck
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IP_UNICAST_IF = 31 // nolint: revive,stylecheck
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IPV6_UNICAST_IF = 31 // nolint: revive,stylecheck
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)
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func setTFO(fd syscall.Handle, settings SocketConfig_TCPFastOpenState) error {
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switch settings {
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case SocketConfig_Enable:
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if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, 1); err != nil {
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return err
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}
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case SocketConfig_Disable:
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if err := syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
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return err
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}
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}
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return nil
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}
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func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
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if isTCPSocket(network) {
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if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
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return err
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}
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if config.TcpKeepAliveIdle > 0 {
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if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, 1); err != nil {
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return newError("failed to set SO_KEEPALIVE", err)
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}
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}
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}
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if config.BindToDevice != "" {
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iface, err := net.InterfaceByName(config.BindToDevice)
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if err != nil {
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return newError("failed to get interface ", config.BindToDevice).Base(err)
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}
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if err := windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IP, IP_UNICAST_IF, iface.Index); err != nil {
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return newError("failed to set IP_UNICAST_IF", err)
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}
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if err := windows.SetsockoptInt(windows.Handle(fd), windows.IPPROTO_IPV6, IPV6_UNICAST_IF, iface.Index); err != nil {
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return newError("failed to set IPV6_UNICAST_IF", err)
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}
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}
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if config.TxBufSize != 0 {
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if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_SNDBUF, int(config.TxBufSize)); err != nil {
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return newError("failed to set SO_SNDBUF").Base(err)
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}
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}
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if config.RxBufSize != 0 {
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if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_RCVBUF, int(config.TxBufSize)); err != nil {
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return newError("failed to set SO_RCVBUF").Base(err)
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}
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}
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return nil
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}
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func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
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if isTCPSocket(network) {
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if err := setTFO(syscall.Handle(fd), config.Tfo); err != nil {
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return err
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}
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if config.TcpKeepAliveIdle > 0 {
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if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.SOL_SOCKET, syscall.SO_KEEPALIVE, 1); err != nil {
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return newError("failed to set SO_KEEPALIVE", err)
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}
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}
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}
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if config.TxBufSize != 0 {
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if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_SNDBUF, int(config.TxBufSize)); err != nil {
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return newError("failed to set SO_SNDBUF").Base(err)
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}
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}
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if config.RxBufSize != 0 {
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if err := windows.SetsockoptInt(windows.Handle(fd), windows.SOL_SOCKET, windows.SO_RCVBUF, int(config.TxBufSize)); err != nil {
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return newError("failed to set SO_RCVBUF").Base(err)
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}
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}
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return nil
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}
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func bindAddr(fd uintptr, ip []byte, port uint32) error {
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return nil
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}
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func setReuseAddr(fd uintptr) error {
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return nil
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}
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func setReusePort(fd uintptr) error {
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return nil
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}
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