On Mon, Jul 16, 2012 at 11:36:21AM +0900, FUJITA Tomonori wrote:
> Some applications need to use particular OF versions.
>
> With this patch, applications can specify OF versions in the following
> way:
>
> class YourApplication(app_manager.RyuApp):
> OFP_VERSIONS = {ofproto_v1_1.OFP_VERSION, ofproto_v1_2.OFP_VERSION}
>
> Signed-off-by: FUJITA Tomonori <[email protected]>
> ---
> ryu/base/app_manager.py | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py
> index 7b44eed..e21de9b 100644
> --- a/ryu/base/app_manager.py
> +++ b/ryu/base/app_manager.py
> @@ -19,6 +19,7 @@ import logging
>
> from ryu import utils
> from ryu.controller.handler import register_instance
> +from ryu.controller.controller import Datapath
>
> LOG = logging.getLogger('ryu.base.app_manager')
>
> @@ -111,6 +112,12 @@ class AppManager(object):
> # Do we need to support multiple instances?
> # Yes, maybe for slicing.
> LOG.info('instantiating app %s', app_name)
> +
> + if 'OFP_VERSIONS' in cls.__dict__:
> + for k, v in Datapath.supported_ofp_version.items():
v is unused. So dict.keys() should be used instead of dict.items().
> + if not k in cls.OFP_VERSIONS:
> + del Datapath.supported_ofp_version[k]
> +
If supported_ofp_version becomes empty due to app combinations,
we would like to report it and abort.
> assert app_name not in self.applications
> app = cls(*args, **kwargs)
> register_instance(app)
> --
> 1.7.4.4
>
>
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