Align with go library layout

uapi_windows.go

@@ -0,0 +1,44 @@
+package main
+
+/* UAPI on windows uses a bidirectional named pipe
+ */
+
+import (
+	"fmt"
+	"github.com/Microsoft/go-winio"
+	"golang.org/x/sys/windows"
+	"net"
+)
+
+const (
+	ipcErrorIO         = -int64(windows.ERROR_BROKEN_PIPE)
+	ipcErrorProtocol   = -int64(windows.ERROR_INVALID_NAME)
+	ipcErrorInvalid    = -int64(windows.ERROR_INVALID_PARAMETER)
+	ipcErrorPortInUse  = -int64(windows.ERROR_ALREADY_EXISTS)
+)
+
+const PipeNameFmt = "\\\\.\\pipe\\wireguard-ipc-%s"
+
+type UAPIListener struct {
+	listener net.Listener
+}
+
+func (uapi *UAPIListener) Accept() (net.Conn, error) {
+	return nil, nil
+}
+
+func (uapi *UAPIListener) Close() error {
+	return uapi.listener.Close()
+}
+
+func (uapi *UAPIListener) Addr() net.Addr {
+	return nil
+}
+
+func NewUAPIListener(name string) (net.Listener, error) {
+	path := fmt.Sprintf(PipeNameFmt, name)
+	return winio.ListenPipe(path, &winio.PipeConfig{
+		InputBufferSize:  2048,
+		OutputBufferSize: 2048,
+	})
+}