Signed-off-by: FUJITA Tomonori <[email protected]>
---
ryu/ofproto/ofproto_v1_0_parser.py | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/ryu/ofproto/ofproto_v1_0_parser.py
b/ryu/ofproto/ofproto_v1_0_parser.py
index eb291b2..859cfd5 100644
--- a/ryu/ofproto/ofproto_v1_0_parser.py
+++ b/ryu/ofproto/ofproto_v1_0_parser.py
@@ -1007,6 +1007,16 @@ class OFPVendor(MsgBase):
class NiciraHeader(OFPVendor):
+ _NX_SUBTYPES = {}
+
+ @staticmethod
+ def register_nx_subtype(subtype):
+ def _register_nx_subtype(cls):
+ cls.cls_subtype = subtype
+ NiciraHeader._NX_SUBTYPES[cls.cls_subtype] = cls
+ return cls
+ return _register_nx_subtype
+
def __init__(self, datapath, subtype):
super(NiciraHeader, self).__init__(datapath)
self.vendor = ofproto_v1_0.NX_VENDOR_ID
@@ -1018,6 +1028,15 @@ class NiciraHeader(OFPVendor):
self.buf, ofproto_v1_0.OFP_HEADER_SIZE,
self.vendor, self.subtype)
+ @classmethod
+ def parser(cls, datapath, buf, offset):
+ vendor, subtype = struct.unpack_from(
+ ofproto_v1_0.NICIRA_HEADER_PACK_STR, buf,
+ offset + ofproto_v1_0.OFP_HEADER_SIZE)
+ cls_ = cls._NX_SUBTYPES.get(subtype)
+ return cls_.parser(datapath, buf,
+ offset + ofproto_v1_0.NICIRA_HEADER_SIZE)
+
class NXTSetFlowFormat(NiciraHeader):
def __init__(self, datapath, flow_format):
--
1.7.4.4
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