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 | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/ryu/base/app_manager.py b/ryu/base/app_manager.py
index 7b44eed..5a35a6e 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 +112,15 @@ 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 in Datapath.supported_ofp_version.keys():
+ if not k in cls.OFP_VERSIONS:
+ del Datapath.supported_ofp_version[k]
+
+ assert len(Datapath.supported_ofp_version), \
+ 'No OpenFlow version is available'
+
assert app_name not in self.applications
app = cls(*args, **kwargs)
register_instance(app)
--
1.7.4.4
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