Fixed divide by 0 error in ping command when no packets are sent

fixes #143
2013-07-11 11:17:46 -07:00
parent adf391fdec
commit c188bee3e3
1 changed files with 6 additions and 2 deletions
@@ -468,9 +468,13 @@ class Mininet( object ):
                    lost += sent - received
                    output( ( '%s ' % dest.name ) if received else 'X ' )
            output( '\n' )
+        if packets > 0:
            ploss = 100 * lost / packets
-        output( "*** Results: %i%% dropped (%d/%d lost)\n" %
-                ( ploss, lost, packets ) )
+            output( "*** Results: %i%% dropped (%d/%d lost)\n" %
+                    ( ploss, lost, packets ) )
+        else:
+            ploss = 0
+            output( "*** Warning: No packets sent\n" )
        return ploss

    @staticmethod