> ---
> v2 - v3
> * No change
> ---
> ryu/ofproto/ofproto_v1_4.py | 5 +++-
> ryu/ofproto/ofproto_v1_4_parser.py | 60
> ++++++++++++++++++++++++++++++++++++++
> 2 files changed, 64 insertions(+), 1 deletion(-)
>
> diff --git a/ryu/ofproto/ofproto_v1_4.py b/ryu/ofproto/ofproto_v1_4.py
> index 8b9431e..0688491 100644
> --- a/ryu/ofproto/ofproto_v1_4.py
> +++ b/ryu/ofproto/ofproto_v1_4.py
> @@ -1451,7 +1451,10 @@ assert (calcsize(OFP_BUNDLE_CTRL_MSG_PACK_STR) +
> OFP_HEADER_SIZE ==
> OFP_BUNDLE_CTRL_MSG_SIZE)
>
> # struct ofp_bundle_add_msg
> -OFP_BUNDLE_ADD_MSG_PACK_STR = '!IHH' + _OFP_HEADER_PACK_STR
> +_OFP_BUNDLE_ADD_MSG_0_PACK_STR = 'I2xH'
> +OFP_BUNDLE_ADD_MSG_0_PACK_STR = '!' + _OFP_BUNDLE_ADD_MSG_0_PACK_STR
> +OFP_BUNDLE_ADD_MSG_PACK_STR = (OFP_BUNDLE_ADD_MSG_0_PACK_STR +
> + _OFP_HEADER_PACK_STR)
> OFP_BUNDLE_ADD_MSG_SIZE = 24
> assert (calcsize(OFP_BUNDLE_ADD_MSG_PACK_STR) + OFP_HEADER_SIZE ==
> OFP_BUNDLE_ADD_MSG_SIZE)
> diff --git a/ryu/ofproto/ofproto_v1_4_parser.py
> b/ryu/ofproto/ofproto_v1_4_parser.py
> index 186684a..c4d2431 100644
> --- a/ryu/ofproto/ofproto_v1_4_parser.py
> +++ b/ryu/ofproto/ofproto_v1_4_parser.py
> @@ -5850,3 +5850,63 @@ class OFPBundleCtrlMsg(MsgBase):
> self.buf, ofproto.OFP_HEADER_SIZE, self.bundle_id,
> self.type, self.flags)
> self.buf += bin_props
> +
> +
> +@_set_msg_type(ofproto.OFPT_BUNDLE_ADD_MESSAGE)
> +class OFPBundleAddMsg(MsgBase):
> + """
> + Bundle control message
> +
> + The controller uses this message to create, destroy and commit bundles
> +
> + ================ ======================================================
> + Attribute Description
> + ================ ======================================================
> + bundle_id Id of the bundle
> + flags Bitmap of the following flags.
> + OFPBF_ATOMIC
> + OFPBF_ORDERED
> + message ``MsgBase`` subclass instance
> + properties List of ``OFPBundleProp`` subclass instance
> + ================ ======================================================
> +
> + Example::
> +
> + def send_bundle_add_message(self, datapath):
> + ofp = datapath.ofproto
> + ofp_parser = datapath.ofproto_parser
> +
> + msg = ofp_parser.OFPRoleRequest(datapath, ofp.OFPCR_ROLE_EQUAL,
> 0)
> +
> + req = ofp_parser.OFPBundleAddMsg(datapath, 7, [ofp.OFPBF_ATOMIC],
> + msg, [])
> + datapath.send_msg(req)
> + """
> + def __init__(self, datapath, bundle_id, flags, message, properties):
> + super(OFPBundleAddMsg, self).__init__(datapath)
> + self.bundle_id = bundle_id
> + self.flags = flags
> + self.message = message
> + self.properties = properties
> +
> + def _serialize_body(self):
> + # Message
the xid field of inner header should be the same as the one in outer.
(OF1.4.0 7.3.9.2)
> + tail_buf = self.message.serialize()
this assignment of tail_buf seems unnecessary.
> + tail_buf = self.message.buf
> +
> + # Pad
> + message_len = len(tail_buf)
> + pad_len = utils.round_up(message_len, 8) - message_len
> + ofproto_parser.msg_pack_into("%dx" % pad_len, tail_buf, message_len)
my reading of the spec is that padding is unnecessary unless
there's one or more properties.
YAMAMOTO Takashi
> +
> + # Properties
> + for p in self.properties:
> + tail_buf += p.serialize()
> +
> + # Head
> + msg_pack_into(ofproto.OFP_BUNDLE_ADD_MSG_0_PACK_STR,
> + self.buf, ofproto.OFP_HEADER_SIZE, self.bundle_id,
> + self.flags)
> +
> + # Finish
> + self.buf += tail_buf
> --
> 1.8.5.2
>
>
> ------------------------------------------------------------------------------
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this first edition is now available. Download your free book today!
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