Hi,
If you want to use the method of class DPSet, please refer to the
following source.
The following is an example that is to use the get_all() at
ryu/app/simple_switch_13.py.
$ git diff
diff --git a/ryu/app/simple_switch_13.py b/ryu/app/simple_switch_13.py
index 3e7c598..a47e27c 100644
--- a/ryu/app/simple_switch_13.py
+++ b/ryu/app/simple_switch_13.py
@@ -15,6 +15,7 @@
from ryu.base import app_manager
from ryu.controller import ofp_event
+from ryu.controller import dpset
from ryu.controller.handler import CONFIG_DISPATCHER, MAIN_DISPATCHER
from ryu.controller.handler import set_ev_cls
from ryu.ofproto import ofproto_v1_3
@@ -26,9 +27,12 @@ from ryu.lib.packet import ether_types
class SimpleSwitch13(app_manager.RyuApp):
OFP_VERSIONS = [ofproto_v1_3.OFP_VERSION]
+ _CONTEXTS = {'dpset': dpset.DPSet}
+
def __init__(self, *args, **kwargs):
super(SimpleSwitch13, self).__init__(*args, **kwargs)
self.mac_to_port = {}
+ self.dpset = kwargs['dpset']
@@ -76,6 +82,10 @@ class SimpleSwitch13(app_manager.RyuApp):
parser = datapath.ofproto_parser
in_port = msg.match['in_port']
+ print "-----------------------"
+ print self.dpset.get_all()
+ print "-----------------------"
+
pkt = packet.Packet(msg.data)
eth = pkt.get_protocols(ethernet.ethernet)[0]
The following is the output result.
-----------------------
[(1, <ryu.controller.controller.Datapath object at 0x7fe0ee45e950>)]
-----------------------
Please refer to the following for _CONTEXTS.
http://ryu-zhdoc.readthedocs.org/en/latest/api_ref.html#ryu.base.app_manager.RyuApp._CONTEXTS
Thanks,
On 2016年03月23日 01:27, Sergio Andrés Rivera Polanco wrote:
> Hi, I cannot find how can I get the list of datapaths connected to the
> controller and their ports.
>
> http://ryu-zhdoc.readthedocs.org/en/latest/api_ref.html
>
> Shows on the bottom the class DPSet however I have no success using it.
> For example if I write:
>
> self.logger.info <http://self.logger.info>("ALL: %s " %
> (DPSet().get_all())
>
>
> I get an empty list. If on the other hand I use:
>
> self.logger.info <http://self.logger.info>("ALL: %s " %
> (DPSet.get_all())
>
>
> I get TypeError: unbound method get_all() must be called with DPSet
> instance as first argument.
>
> Kindly appreciate your help
>
> Sergio
>
>
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