Hi,
On Wed, 13 Aug 2014 13:28:55 +0200
Jaume Devesa <[email protected]> wrote:
> I'm connecting a Ryu bgp speaker to a remote Quagga service and I'm able to
> share prefixes with it.
Great! I'm glad to hear that you made rapid progress.
> When I execute the *get_rib() *method, I get the prefixes that I get from
> it and the prefixes that I send to it:
>
> [{u'paths':
> [{u'origin': u'i', u'localpref': u'', u'nexthop': u'192.168.2.92',
> u'metric': 0, *u'aspath': [1000]*, u'prefix': u'10.100.0.0/24', u'bpr':
> u'Only Path', u'best': True}], u'prefix': u'10.100.0.0/24'}, {u'paths':
> [{u'origin': u'i', u'localpref': u'', u'nexthop': u'192.168.2.92',
> u'metric': 0, *u'aspath': [1000]*, u'prefix': u'10.101.0.0/24', u'bpr':
> u'Only Path', u'best': True}], u'prefix': u'10.101.0.0/24'}, {u'paths':
> [{u'origin': u'i', u'localpref': u'', u'nexthop': u'10.0.2.2', u'metric':
> u'', *u'aspath': []*, u'prefix': u'172.24.4.0/24', u'bpr': u'Only Path',
> u'best': True}], u'prefix': u'172.24.4.0/24'}]
>
> I'm interested in filter only the learned ones. I noticed that the ones I
> want has the 'aspath' attribute informed, whereas the ones I have send are
> empty.
>
> Is this attribute a reasonable filter? If not, how could I filter this list?
Yeah, I think that you can use the attribute like.
paths = []
for p in json.loads(speaker.rib_get()):
for o in p["paths"]:
if o["aspath"]:
paths.append(p)
I think that rib_get() should support other formats. We could define
prefix class (and some others) and return those instances. That makes
it easier to handle the output?
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