if there are no interfaces to ping, there are no packets sent

2014-10-01 23:05:34 -07:00
parent ded25a9ef8
commit 778267aa75
1 changed files with 5 additions and 2 deletions
@@ -562,8 +562,11 @@ class Mininet( object ):
                    opts = ''
                    if timeout:
                        opts = '-W %s' % timeout
-                    result = node.cmd( 'ping -c1 %s %s' % (opts, dest.IP()) )
-                    sent, received = self._parsePing( result )
+                    if dest.intfs:
+                        result = node.cmd( 'ping -c1 %s %s' % (opts, dest.IP()) )
+                        sent, received = self._parsePing( result )
+                    else:
+                        sent, received = 0, 0
                    packets += sent
                    if received > sent:
                        error( '*** Error: received too many packets' )