Hey Toshihiro and Iwase，
Thanks for useful suggestion.
I fixed this problem by adding some codes into ryu/base/app_manager.py.
Here is my modification. Very dirty but useful.
Reference:
https://www.mail-archive.com/ryu-devel@lists.sourceforge.net/msg13533.html
$ git diff 1c0080 ryu/base/app_manager.py
diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py
index f684259..016c38c 100644
--- a/ryu/base/app_manager.py
+++ b/ryu/base/app_manager.py
@@ -505,8 +505,19 @@ class AppManager(object):
return app
def instantiate_apps(self, *args, **kwargs):
+ # HACK: Because gui_topology will register itself to interrupt all
+ # REST calls, instantiate it later.
+ gui_cls = 'gui_topology'
+ for applications_cls in self.applications_cls.keys():
+ if applications_cls.find('gui_topology') != -1:
+ gui_cls = applications_cls
+ break
+ gui_topology = self.applications_cls.pop(
+ gui_cls, None)
for app_name, cls in self.applications_cls.items():
self._instantiate(app_name, cls, *args, **kwargs)
+ if gui_topology:
+ self._instantiate(gui_cls, gui_topology, *args, **kwargs)
self._update_bricks()
self.report_bricks()
Thanks,
Lam
At 2018-05-09 08:16:33, "Iwase Yusuke" <iwase.yusu...@gmail.com> wrote:
>Hi,
>
>Excuse me for jumping in.
>
>This issue hits this bug?
>https://www.mail-archive.com/ryu-devel@lists.sourceforge.net/msg13533.html
>
>"gui_topology" seems to cover all wsgi routes, then other wsgi apps can not
>register their methods.
>
>Thanks,
>Iwase
>
>
>On 2018年05月08日 17:31, IWAMOTO Toshihiro wrote:
>> On Tue, 08 May 2018 11:39:38 +0900,
>> 林佳烁 wrote:
>>>
>>> [1 <multipart/alternative (7bit)>]
>>> [1.1 <text/plain; GBK (base64)>]
>>> Hi,
>>>
>>>
>>> I want to integrate gui_topology.py which is in ryu/app/gui_topology/ with
>>> myapp.py.
>>> However, I recieve 404 responses after I add a line of code into a copy
>>> version of gui_topology.py in a new folder.
>>>
>>>
>>> My operation to the scripts is as follow:
>>> $ cd ~/ryu
>>> $ cp -r ryu/app/gui_topology ryu/app/myfolder
>>> $ cp ryu/app/simple_switch_13.py ryu/app/myfolder/
>>> Then I add a line of code, " app_manager.require_app(PATH +
>>> '/simple_switch_13.py') ", at the bottom of gui_topology.py.
>>> $ PYTHONPATH=. ./bin/ryu run ryu/app/myfolder/gui_topology.py
>>> --observe-links
>>>
>>>
>>> Then I access http://localhost:8080 with my web browser and I get these
>>> reponses in the terminal of the controller.
>>> 127.0.0.1 - - [08/May/2018 10:27:34] "GET / HTTP/1.1" 200 515 0.011610
>>> 127.0.0.1 - - [08/May/2018 10:27:34] "GET /ryu.topology.css HTTP/1.1" 200
>>> 514 0.000825
>>> (7006) accepted ('127.0.0.1', 51232)
>>> 127.0.0.1 - - [08/May/2018 10:27:34] "GET /ryu.topology.js HTTP/1.1" 200
>>> 8652 0.003208
>>> 127.0.0.1 - - [08/May/2018 10:27:35] "GET /v1.0/topology/switches HTTP/1.1"
>>> 404 319 0.000844
>>> (7006) accepted ('127.0.0.1', 51238)
>>> 127.0.0.1 - - [08/May/2018 10:27:35] "GET /v1.0/topology/ws HTTP/1.1" 404
>>> 339 0.001272
>>> 127.0.0.1 - - [08/May/2018 10:27:35] "GET /v1.0/topology/links HTTP/1.1"
>>> 404 316 0.000961
>>>
>>>
>>> However, after I rename the folder frome myfolder to gui_topo. It works
>>> fine!
>>
>> Is it gui_topo or gui_topology?
>>
>>> Is it a bug? Is there anyone can help me？
>>
>> Sounds like an import issue. Please check your error messages for any
>> import errors. And also double check you are actually importing
>> the intended files. It is possible files under /usr/lib/python or so
>> are imported unintentionally.
>>
>>
>> --
>> IWAMOTO Toshihiro
>> ------------------------------------------------------------------------------
>> Check out the vibrant tech community on one of the world's most
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>> _______________________________________________
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>> Ryu-devel@lists.sourceforge.net
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>>
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