Hi Sandesh,
On 2015年03月22日 13:08, Sandesh Shrestha wrote:
> Dear All,
>
> I need to pass arguments to ryu app. How can I do that and how to get that in
> the app.
How about adding CLI options for your App as follow?
$ git diff
diff --git a/ryu/app/simple_switch_13.py b/ryu/app/simple_switch_13.py
index b9cbad0..1014c9f 100644
--- a/ryu/app/simple_switch_13.py
+++ b/ryu/app/simple_switch_13.py
@@ -20,6 +20,13 @@ from ryu.controller.handler import set_ev_cls
from ryu.ofproto import ofproto_v1_3
from ryu.lib.packet import packet
from ryu.lib.packet import ethernet
+from ryu import cfg
+
+CONF = cfg.CONF
+CONF.register_cli_opts([
+ cfg.StrOpt('test-param-str', default='default-str',
+ help='test-param-for-register-cli-opts')
+])
class SimpleSwitch13(app_manager.RyuApp):
@@ -29,6 +36,9 @@ class SimpleSwitch13(app_manager.RyuApp):
super(SimpleSwitch13, self).__init__(*args, **kwargs)
self.mac_to_port = {}
+ # Get param
+ print 'test-param-str = %s' % self.CONF.test_param_str
+
@set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
def switch_features_handler(self, ev):
datapath = ev.msg.datapath
diff --git a/ryu/cmd/manager.py b/ryu/cmd/manager.py
index 66d59b3..6dca80c 100755
--- a/ryu/cmd/manager.py
+++ b/ryu/cmd/manager.py
@@ -41,6 +41,8 @@ from ryu.app import wsgi
from ryu.base.app_manager import AppManager
from ryu.controller import controller
from ryu.topology import switches
+# import your app
+from ryu.app import simple_switch_13
CONF = cfg.CONF
$
$
$ sudo python setup.py install
$
$ sudo ryu-manager ryu.app.simple_switch_13 --test-param-str abc123
loading app ryu.app.simple_switch_13
loading app ryu.controller.ofp_handler
instantiating app ryu.app.simple_switch_13 of SimpleSwitch13
test-param-str = abc123
instantiating app ryu.controller.ofp_handler of OFPHandler
...
$
OR,
You can use Ryu config file (etc/ryu/ryu.conf).
This way is easy to use, but you need to modify the config file before running
ryu-manager.
Thanks
>
>
> Thanks,
> Sandesh Shrestha
>
>
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by Intel and developed in partnership with Slashdot Media, is your hub for all
things parallel software development, from weekly thought leadership blogs to
news, videos, case studies, tutorials and more. Take a look and join the
conversation now. http://goparallel.sourceforge.net/
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