Hi Douglas,
On 2017年06月20日 23:22, Douglas Harewood-Gill wrote:
> Hi again. Apologies for the delay in responding and thank you for getting
> back to me so quickly.
>
> I finally figured out what you were telling me. So, below is what I found for
> each step of the first thing you suggested.
>
Hi Douglas,
On 2017年06月15日 23:55, Douglas Harewood-Gill wrote:
> Hello again. Ok, My apologies bit I really need you to simplify this for me.
> Starting with the first bit.
>
> 1) Ryu is definitely installed but do you know the command to check the
> version? I have looked online but I can't f
Hello again. Ok, My apologies bit I really need you to simplify this for
me. Starting with the first bit.
1) Ryu is definitely installed but do you know the command to check the
version? I have looked online but I can't find anything specific.
2) Is there also a way to check that Ryu is installed
Hi Douglas,
On 2017年06月14日 21:41, Douglas Harewood-Gill wrote:
> Hi Iwase. I did try it the other way but the error "AttributeError: 'module'
> object has not attribute "ofctl_rest" but it was worth trying so thank you.
Hmmm... 'ryu.app.ofctl_rest' means the Python module path to Ryu's built-in
Hi Iwase. I did try it the other way but the error "AttributeError:
'module' object has not attribute "ofctl_rest" but it was worth trying so
thank you.
Regarding the instructions you sent me for altering Ryu, is there any
chance you could explain them a bit more please? I am having a little
troub
Hi Douglas,
Hmmm... how about swapping the order of arguments?
e.g)
if __name__ == "__main__":
manager.main(args=['ryu.app.ofctl_rest'] + sys.argv)
FYI, I guess Dr.Bernstein did "hack"(used "ryu.cmd.manager" directly) in order
to
add original CLI option like "--netfile" and "--widest_paths
Hi Iwase and thank you for getting back to me. The author of this program,
Dr Bernstein added this line "from ryu.cmd import manager" which as far as
I understand directly starts Ryu from within side
L2DestForwardStaticRyu.py. Should be around line 29 I think. He had to do
this he told me because h
Hi Douglas,
I checked "L2DestForwardStaticRyu.py", and it seems to be "hacked" to run
app without "ryu-manager".
To start the built-in Ryu application with "L2DestForwardStaticRyu.py",
how about the following?
The following appends to "ofctl_rest" app to the argument of "manager".
e.g.) around li
Hi Iwase. Thank you for contacting me and apologies for my delay in
responding. I have tried what you have suggested but the problem I have is
that the L2DestForwardStaticRyu.py program is designed to run on its own.
It imports the the ryu.cmd import manager and uses the Ryu controller but
you star
Hi Douglas,
Excuse me for cutting in.
Just for getting flow statistics, how about running your app and ofctl_rest
together as Fujimoto said.
e.g.)
$ ryu-manager your_app.py ryu.app.ofctl_rest
If you want to implement your own REST APIs on your app, Ryu-Book is the
most helpful as far as I know
Hi there. That is fantastic. Sounds exactly like what I am looking for so
thank you.
One last question for the minute. I know you provided a link but how do you
implement this with custom Ryu controller code?
My apologies if I am asking something really obvious.
Cheers
Douglas
On 7 June 2017 a
Hi, Douglas
Ryu has ofctl_rest.py, which is a sample application and provides REST
API to get flow statistics.
http://ryu.readthedocs.io/en/latest/app/ofctl_rest.html
I think it is better to use ofctl_rest.py than to implement your own
REST API in your app.
Thanks,
Fujimoto
On 2017
Greetings I am a PhD student new to both Python and Ryu and I was
wondering if anyone could give me some advice.
I am using the Ryu controller program (L2DestForwardStaticRyu.py) provided
by Dr Grey Bernstein (
https://www.grotto-networking.com/SDNfun.html#programming-switches-with-ryu)
for shor
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