Signed-off-by: Simon Horman <[email protected]>
---
ryu/ofproto/ofproto_v1_4_parser.py | 81 ++++++++++++++++++++++++++++++++++++++
1 file changed, 81 insertions(+)
diff --git a/ryu/ofproto/ofproto_v1_4_parser.py
b/ryu/ofproto/ofproto_v1_4_parser.py
index 05b6c08..8cbe3f1 100644
--- a/ryu/ofproto/ofproto_v1_4_parser.py
+++ b/ryu/ofproto/ofproto_v1_4_parser.py
@@ -183,6 +183,87 @@ class OFPEchoRequest(MsgBase):
@_register_parser
+@_set_msg_type(ofproto.OFPT_ERROR)
+class OFPErrorMsg(MsgBase):
+ """
+ Error message
+
+ The switch notifies controller of problems by this message.
+
+ ========== =========================================================
+ Attribute Description
+ ========== =========================================================
+ type High level type of error
+ code Details depending on the type
+ data Variable length data depending on the type and code
+ ========== =========================================================
+
+ ``type`` attribute corresponds to ``type_`` parameter of __init__.
+
+ Types and codes are defined in ``ryu.ofproto.ofproto``.
+
+ ============================= ===========
+ Type Code
+ ============================= ===========
+ OFPET_HELLO_FAILED OFPHFC_*
+ OFPET_BAD_REQUEST OFPBRC_*
+ OFPET_BAD_ACTION OFPBAC_*
+ OFPET_BAD_INSTRUCTION OFPBIC_*
+ OFPET_BAD_MATCH OFPBMC_*
+ OFPET_FLOW_MOD_FAILED OFPFMFC_*
+ OFPET_GROUP_MOD_FAILED OFPGMFC_*
+ OFPET_PORT_MOD_FAILED OFPPMFC_*
+ OFPET_TABLE_MOD_FAILED OFPTMFC_*
+ OFPET_QUEUE_OP_FAILED OFPQOFC_*
+ OFPET_SWITCH_CONFIG_FAILED OFPSCFC_*
+ OFPET_ROLE_REQUEST_FAILED OFPRRFC_*
+ OFPET_METER_MOD_FAILED OFPMMFC_*
+ OFPET_TABLE_FEATURES_FAILED OFPTFFC_*
+ OFPET_EXPERIMENTER N/A
+ ============================= ===========
+
+ Example::
+
+ @set_ev_cls(ofp_event.EventOFPErrorMsg,
+ [HANDSHAKE_DISPATCHER, CONFIG_DISPATCHER, MAIN_DISPATCHER])
+ def error_msg_handler(self, ev):
+ msg = ev.msg
+
+ self.logger.debug('OFPErrorMsg received: type=0x%02x code=0x%02x '
+ 'message=%s',
+ msg.type, msg.code, utils.hex_array(msg.data))
+ """
+ def __init__(self, datapath, type_=None, code=None, data=None):
+ super(OFPErrorMsg, self).__init__(datapath)
+ self.type = type_
+ self.code = code
+ self.data = data
+
+ @classmethod
+ def parser(cls, datapath, version, msg_type, msg_len, xid, buf):
+ type_, = struct.unpack_from('!H', buffer(buf),
+ ofproto.OFP_HEADER_SIZE)
+ if type_ == ofproto.OFPET_EXPERIMENTER:
+ return OFPErrorExperimenterMsg.parser(datapath, version, msg_type,
+ msg_len, xid, buf)
+ msg = super(OFPErrorMsg, cls).parser(datapath, version, msg_type,
+ msg_len, xid, buf)
+ msg.type, msg.code = struct.unpack_from(
+ ofproto.OFP_ERROR_MSG_PACK_STR, msg.buf,
+ ofproto.OFP_HEADER_SIZE)
+ msg.data = msg.buf[ofproto.OFP_ERROR_MSG_SIZE:]
+ return msg
+
+ def _serialize_body(self):
+ assert self.data is not None
+ msg_pack_into(ofproto.OFP_ERROR_MSG_PACK_STR, self.buf,
+ ofproto.OFP_HEADER_SIZE, self.type, self.code)
+ self.buf += self.data
+
+
+
+
+@_register_parser
@_set_msg_type(ofproto.OFPT_ECHO_REPLY)
class OFPEchoReply(MsgBase):
"""
--
1.8.4
------------------------------------------------------------------------------
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