Hi,
I would like to get statistics from the switches. Please is there any tutorial
explaining how to do this?
I have tried this piece of code that I found online:
public List getSwitchQueuesStat(IOFSwitch sw) {
Future> future;
List values = null;
if (sw != null) {
Hi,
The choice is yours.
To do a synchronous call, send the flow_mod followed up a
barrier_request. You will get the barrier_reply back.
To do asynchronous calls, just send the flow_mod and wait for error
messages. The error messages should carry the same xid (transaction
id) as the flow_mod a
Hi all
What is the expected/standard way to handle error messages to flow_mod
requests?
If they are treated as SYNC messages, then my application would have to wait for
an ack. But if the switch has happily accepted the flow_mod, it does not send
back anything - causing my app to hang forever.
Rob Sherwood writes:
>
> Hi Gopal,
>
> What you're doing seems to be right, but my (very arbitrary) guess is
> that you either have some endian issues or are not packing the message
> correctly. The way to check is to grab the openflow wireshark
> dissector from the openflow reference implemen
