From: Nick Rosbrook <rosbrookn@ainfosec.com>
Date: Mon, 16 Dec 2019 18:08:03 +0000 (+0000)
Subject: golang/xenlight: define Mac builtin type
X-Git-Tag: 4.14.0-rc1~938
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=1db777e5e407ec12906deeac9c90e673e66865d8;p=xen.git

golang/xenlight: define Mac builtin type

Define Mac as [6]byte and implement fromC, toC, and String functions.

Signed-off-by: Nick Rosbrook <rosbrookn@ainfosec.com>
Reviewed-by: George Dunlap <george.dunlap@citrix.com>
---

diff --git a/tools/golang/xenlight/xenlight.go b/tools/golang/xenlight/xenlight.go
index 72afc3cf14..17d146771e 100644
--- a/tools/golang/xenlight/xenlight.go
+++ b/tools/golang/xenlight/xenlight.go
@@ -181,6 +181,39 @@ func (d *Defbool) toC() (C.libxl_defbool, error) {
 	return c, nil
 }
 
+// Mac represents a libxl_mac, or simply a MAC address.
+type Mac [6]byte
+
+// String formats a Mac address to string representation.
+func (mac Mac) String() string {
+	s := "%02x:%02x:%02x:%02x:%02x:%02x"
+	opts := make([]interface{}, 6)
+
+	for i, v := range mac {
+		opts[i] = v
+	}
+
+	return fmt.Sprintf(s, opts...)
+}
+
+func (mac *Mac) fromC(cmac *C.libxl_mac) error {
+	for i := range *mac {
+		mac[i] = byte(cmac[i])
+	}
+
+	return nil
+}
+
+func (mac Mac) toC() (C.libxl_mac, error) {
+	var cmac C.libxl_mac
+
+	for i, v := range mac {
+		cmac[i] = C.uint8_t(v)
+	}
+
+	return cmac, nil
+}
+
 type Context struct {
 	ctx    *C.libxl_ctx
 	logger *C.xentoollog_logger_stdiostream