Signed-off-by: Isaku Yamahata <[email protected]>
---
changes v1 -> v2:
- no change
---
ryu/controller/controller.py | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/ryu/controller/controller.py b/ryu/controller/controller.py
index 1811d8c..29c707c 100644
--- a/ryu/controller/controller.py
+++ b/ryu/controller/controller.py
@@ -211,6 +211,17 @@ class Datapath(object):
# send hello message immediately
hello = self.ofproto_parser.OFPHello(self)
+ if hasattr(hello, 'elements'):
+ # For now only OFPHelloElemVersionBitmap are defined for
+ # HelloElements, When more elements are defined, This code needs
+ # to be improved.
+ OFPHelloElemVersionBitmap = getattr(self.ofproto_parser,
+ 'OFPHelloElemVersionBitmap',
+ None)
+ if OFPHelloElemVersionBitmap:
+ version_bitmap = OFPHelloElemVersionBitmap(
+ self.supported_ofp_version.keys())
+ hello.elements = [version_bitmap]
self.send_msg(hello)
try:
--
1.7.10.4
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