Hi,
(I retransmit it because the transmission did not reach well)
Currently, HTTP routing and implementation are separated. Example:
------------------------------
class SampleApiApp(app_manager.RyuApp):
….
def __init__(self, *args, **kwargs):
….
wsgi = kwargs['wsgi']
mapper = wsgi.mapper
mapper.connect('sample', '/sample/{dpid}',
controller=SampleController,
action='sample_get',
conditions=dict(method=['GET']),
requirements={'dpid':
dpidlib.DPID_PATTERN})
….
class SampleController(ControllerBase):
….
def sample_get(self, req, **_kwargs):
….
------------------------------
By this design, the application needs to know the structure (method name)
of the controller. And if the controller is changed, a change will become
necessary for the application.
Therefore I would like to propose decoration based API. Example:
------------------------------
class SampleApiApp(app_manager.RyuApp):
….
def __init__(self, *args, **kwargs):
….
wsgi = kwargs['wsgi']
wsgi.register(SampleController)
….
class SampleController(ControllerBase):
@route('sample', '/sample/{dpid}',
methods=['GET'], requirements={'dpid': dpidlib.DPID_PATTERN})
def sample_get(self, req, dpid, **_kwargs):
….
------------------------------
It is not necessary to change the application even if the controller is
changed. And readability increases because there are routing and
implementation in the same place. Furthermore, this will conceal Routes API.
This idea was inspired from Flask and Bottle of Python and JAX-RS of Java.
Thanks,
Satoshi
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