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Feat: add bind to device to Windows and Darwin (#1972)
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a4a3f4deec
commit
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@ -1,6 +1,8 @@
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package internet
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import (
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"net"
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"golang.org/x/sys/unix"
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)
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@ -42,6 +44,19 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
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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 := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
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return newError("failed to set IP_BOUND_IF", err)
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}
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if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
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return newError("failed to set IPV6_BOUND_IF", err)
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}
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}
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if config.TxBufSize != 0 {
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if err := unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_SNDBUF, int(config.TxBufSize)); err != nil {
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return newError("failed to set SO_SNDBUF").Base(err)
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@ -86,6 +101,19 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
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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 := unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, iface.Index); err != nil {
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return newError("failed to set IP_BOUND_IF", err)
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}
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if err := unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, iface.Index); err != nil {
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return newError("failed to set IPV6_BOUND_IF", err)
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}
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}
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if config.TxBufSize != 0 {
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if err := unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_SNDBUF, int(config.TxBufSize)); err != nil {
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return newError("failed to set SO_SNDBUF/SO_SNDBUFFORCE").Base(err)
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@ -1,6 +1,7 @@
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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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@ -8,6 +9,8 @@ import (
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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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@ -36,6 +39,19 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
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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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