Simple ping ICMP with jquery

# index.html

 <ul>
     <li>192.168.1.22 [Status: <span class="address" id="ip_192_168_1_22">Unknown</span> ]</li>
     <li>192.168.0.2 [Status: <span class="address" id="ip_192_168_0_2">Unknown</span> ]</li>
     <li>192.168.0.3 [Status: <span class="address" id="ip_192_168_0_3">Unknown</span> ]</li>
 </ul>


 <script type="text/javascript">

 var items;

 function updateStatus(index) {
        if (index == items.size()) {return;}
                var item = items.eq(index);
                var attrId = item.attr("id");
                var address = attrId.replace('ip_', '');
                address = address.replace(/_/g, '.');
                $.get('/ping/' + address,
                function(response) {
                        item.html(response);
                        $("ul").trigger('updated', [index]);
                });
 }

 $(document).ready(function() {
        items = $(".address");
        $("ul").bind('updated',
        function(event, index) {
                updateStatus(index + 1);
        });
        updateStatus(0);
 });

 </script>

 # urls.py

 url(r'^ping/(?P<address>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/$', ping),

 # views.py

 def ping(request, address=None):
     if os.system('ping -c3 -q ' + address):
         msg = "Ping OK"
     else:
         msg = "No response"
     return HttpResponse(msg)

Inspiration : http://www.grenadepod.com/2009/11/13/query-data-from-django-site-with-jquery/