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[libvirt] [PATCH v4] virsh: lookup interface by name or mac other than one by one



Use virMacAddrParse() to distinguish interface name from interface
mac address.
---
 tools/virsh-interface.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/virsh-interface.c b/tools/virsh-interface.c
index f75c572..1c2e40b 100644
--- a/tools/virsh-interface.c
+++ b/tools/virsh-interface.c
@@ -35,6 +35,7 @@
 #include "virbuffer.h"
 #include "viralloc.h"
 #include "virfile.h"
+#include "virmacaddr.h"
 #include "virutil.h"
 #include "virxml.h"
 #include "virstring.h"
@@ -46,6 +47,8 @@ vshCommandOptInterfaceBy(vshControl *ctl, const vshCmd *cmd,
 {
     virInterfacePtr iface = NULL;
     const char *n = NULL;
+    bool is_mac = false;
+    virMacAddr dummy;
     virCheckFlags(VSH_BYNAME | VSH_BYMAC, NULL);
 
     if (!optname)
@@ -62,14 +65,17 @@ vshCommandOptInterfaceBy(vshControl *ctl, const vshCmd *cmd,
     if (name)
         *name = n;
 
+    if (virMacAddrParse(n, &dummy) == 0)
+        is_mac = true;
+
     /* try it by NAME */
-    if (flags & VSH_BYNAME) {
+    if (!is_mac && (flags & VSH_BYNAME)) {
         vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as interface NAME\n",
                  cmd->def->name, optname);
         iface = virInterfaceLookupByName(ctl->conn, n);
-    }
+
     /* try it by MAC */
-    if (!iface && (flags & VSH_BYMAC)) {
+    } else if (is_mac && (flags & VSH_BYMAC)) {
         vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as interface MAC\n",
                  cmd->def->name, optname);
         iface = virInterfaceLookupByMACString(ctl->conn, n);
-- 
1.8.1.4


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