HI,

Sorry for a digression from the main topic.

2013/4/18 Isaku Yamahata <[email protected]>

> Hi. It seems parser bug.
> Can you please try this patch?
> If it fixes the issue, I'll pushes this patch.
>
> thanks,
>
> >From 174ca4ed6504dfd1ed554a895761d6cd0f411f4f Mon Sep 17 00:00:00 2001
> From: Isaku Yamahata <[email protected]>
> Date: Wed, 17 Apr 2013 11:17:36 -0700
> Subject: [PATCH] ofproto/ofproto_v1_3_parser: parser should return msg, not
>  implicit None
>
> Signed-off-by: Isaku Yamahata <[email protected]>
> ---
>  ryu/ofproto/ofproto_v1_3_parser.py |   13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
>
> diff --git a/ryu/ofproto/ofproto_v1_3_parser.py
> b/ryu/ofproto/ofproto_v1_3_parser.py
> index 53b002a..f2580c7 100644
> --- a/ryu/ofproto/ofproto_v1_3_parser.py
> +++ b/ryu/ofproto/ofproto_v1_3_parser.py
> @@ -1,5 +1,5 @@
>  # Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
> -# Copyright (C) 2012 Isaku Yamahata <yamahata at valinux co jp>
> +# Copyright (C) 2012, 2013 Isaku Yamahata <yamahata at valinux co jp>
>  #
>  # Licensed under the Apache License, Version 2.0 (the "License");
>  # you may not use this file except in compliance with the License.
> @@ -2793,6 +2793,8 @@ class OFPRoleRequest(MsgBase):
>  class OFPRoleReply(MsgBase):
>      def __init__(self, datapath):
>          super(OFPRoleReply, self).__init__(datapath)
> +        self.role = None
> +        self.generation_id = None
>
>      @classmethod
>      def parser(cls, datapath, version, msg_type, msg_len, xid, buf):
> @@ -2802,6 +2804,7 @@ class OFPRoleReply(MsgBase):
>          (msg.role, msg.generation_id) = struct.unpack_from(
>              ofproto_v1_3.OFP_ROLE_REQUEST_PACK_STR, msg.buf,
>              ofproto_v1_3.OFP_HEADER_SIZE)
> +        return msg
>
>
>  @_set_msg_type(ofproto_v1_3.OFPT_GET_ASYNC_REQUEST)
> @@ -2815,6 +2818,9 @@ class OFPGetAsyncRequest(MsgBase):
>  class OFPGetAsyncReply(MsgBase):
>      def __init__(self, datapath):
>          super(OFPGetAsyncReply, self).__init__(datapath)
> +        self.packet_in_mask = None
> +        self.port_status_mask = None
> +        self.flow_removed_mask = None
>
>      @classmethod
>      def parser(cls, datapath, version, msg_type, msg_len, xid, buf):
> @@ -2825,6 +2831,7 @@ class OFPGetAsyncReply(MsgBase):
>           msg.flow_removed_mask) = struct.unpack_from(
>               ofproto_v1_3.OFP_ASYNC_CONFIG_PACK_STR, msg.buf,
>               ofproto_v1_3.OFP_HEADER_SIZE)
> +        return msg
>
>
>  @_register_parser
> @@ -2832,6 +2839,9 @@ class OFPGetAsyncReply(MsgBase):
>  class OFPSetAsync(MsgBase):
>      def __init__(self, datapath):
>          super(OFPSetAsync, self).__init__(datapath)
> +        self.packet_in_mask = None
> +        self.port_status_mask = None
> +        self.flow_removed_mask = None
>
>      @classmethod
>      def parser(cls, datapath, version, msg_type, msg_len, xid, buf):
> @@ -2842,3 +2852,4 @@ class OFPSetAsync(MsgBase):
>           msg.flow_removed_mask) = struct.unpack_from(
>               ofproto_v1_3.OFP_ASYNC_CONFIG_PACK_STR, msg.buf,
>               ofproto_v1_3.OFP_HEADER_SIZE)
> +        return msg
>

Why OFPSetAsync does not have a serializer though it is a request message?


--
> 1.7.10.4
>
>
>
> On Wed, Apr 17, 2013 at 02:27:46PM +0530, nitish nagesh wrote:
> > Hi All,
> >
> >     I have written a simple controller app to generate a role request and
> > handle the role reply message and I am able to see that the app is able
> to
> > generate the Role Request message to the controller. Also from wireshark
> i saw
> > the Role Reply message does come back to the controller. But i see some
> error
> > messages on the controller console during handling the reply. Also post
> > receiving the Role Reply the controller seems to NOT process any further
> > messages (like OFPT_ECHO_REQUEST etc) and eventually the connection
> between the
> > switch and controller tears off. I am attaching my script along here
> also the
> > controller errors below.  Please let me know if there is something wrong
> in the
> > script?
> >
> > Controller error Logs:
> > #> ryu-manager --ofp-tcp-listen-port 6633 role_msg.py --verbose
> > loading app role_msg.py
> > loading app ryu.controller.ofp_handler
> > instantiating app ryu.controller.ofp_handler
> > instantiating app role_msg.py
> > BRICK SndRcvRoleMsg
> >   CONSUMES EventOFPSwitchFeatures
> >   CONSUMES EventOFPRoleReply
> > BRICK ofp_event
> >   PROVIDES EventOFPSwitchFeatures TO {'SndRcvRoleMsg': ['config']}
> >   PROVIDES EventOFPRoleReply TO {'SndRcvRoleMsg': ['main']}
> >   CONSUMES EventOFPHello
> >   CONSUMES EventOFPSwitchFeatures
> >   CONSUMES EventOFPErrorMsg
> >   CONSUMES EventOFPEchoRequest
> >
> > connected socket:<socket fileno=4 sock=20.0.0.2:6633 peer=20.0.0.1:64538
> >
> > address:('20.0.0.1', 64538)
> > hello ev <ryu.controller.ofp_event.EventOFPHello object at 0x94b852c>
> > move onto config mode
> > connected socket:<socket fileno=4 sock=20.0.0.2:6633 peer=20.0.0.1:56984
> >
> > address:('20.0.0.1', 56984)
> > hello ev <ryu.controller.ofp_event.EventOFPHello object at 0x94b860c>
> > move onto config mode
> > EVENT ofp_event->SndRcvRoleMsg EventOFPSwitchFeatures
> > switch features ev version: 0x4 msg_type 0x6 xid 0x3d807786
> > move onto main mode
> > Traceback (most recent call last):
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /controller.py", line 97, in deactivate
> >     method(self)
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /controller.py", line 172, in _recv_loop
> >     ev = ofp_event.ofp_msg_to_ev(msg)
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /ofp_event.py", line 42, in ofp_msg_to_ev
> >     return _OFP_MSG_EVENTS[name](msg)
> > KeyError: 'EventNoneType'
> > Error in the datapath 1042997282520960 from ('20.0.0.1', 56984)
> > Traceback (most recent call last):
> >   File "/usr/lib/pymodules/python2.7/gevent/greenlet.py", line 405, in
> run
> >     result = self._run(*self.args, **self.kwargs)
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /controller.py", line 308, in datapath_connection_factory
> >     datapath.serve()
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /controller.py", line 228, in serve
> >     self._recv_loop()
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /controller.py", line 97, in deactivate
> >     method(self)
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /controller.py", line 172, in _recv_loop
> >     ev = ofp_event.ofp_msg_to_ev(msg)
> >   File
> "/usr/local/lib/python2.7/dist-packages/ryu-1.8-py2.7.egg/ryu/controller
> > /ofp_event.py", line 42, in ofp_msg_to_ev
> >     return _OFP_MSG_EVENTS[name](msg)
> > KeyError: 'EventNoneType'
> > <Greenlet at 0x94b906c: datapath_connection_factory(<socket at 0x94b844c
> fileno
> > =4 sock=20.0.0.2:6633 p, ('20.0.0.1', 56984))> failed with KeyError
> >
> > Regards,
> > Nitish
>
> > from struct import *
> > from nose.tools import *
> > from ryu.base import app_manager
> > from ryu.controller import ofp_event
> > from ryu.controller.handler import MAIN_DISPATCHER
> > from ryu.controller.handler import CONFIG_DISPATCHER
> > from ryu.controller.handler import set_ev_cls
> > from ryu.ofproto import ofproto_v1_0
> > from ryu.ofproto import ofproto_v1_2
> > from ryu.ofproto.ofproto_parser import *
> > from ryu.ofproto.ofproto_v1_2_parser import *
> > from ryu.ofproto import ofproto_parser
> > from ryu.ofproto import ofproto_v1_2_parser
> > from ryu.ofproto.ofproto_parser import MsgBase
> > from ryu import utils
> >
> > LOG = logging.getLogger('testing Role Messages')
> >
> > class SndRcvRoleMsg(app_manager.RyuApp):
> >
> >     role=ofproto_v1_2.OFPCR_ROLE_MASTER
> >     generation_id=2
> >
> >
> >     @set_ev_cls(ofp_event.EventOFPSwitchFeatures, CONFIG_DISPATCHER)
> >     def generate_role_req_msg(self, ev):
> >         msg = ev.msg
> >         datapath = msg.datapath
> >
> >         if (self.role == ofproto_v1_2.OFPCR_ROLE_SLAVE) or (self.role ==
> ofproto_v1_2.OFPCR_ROLE_MASTER) or (self.role ==
> ofproto_v1_2.OFPCR_ROLE_EQUAL):
> >            pass
> >         else:
> >            self.logger.debug('Invalid value for role')
> >            return
> >
> >         r = OFPRoleRequest(datapath, self.role, self.generation_id)
> >         datapath.send_msg(r)
> >
> >
> >
> >     @set_ev_cls(ofp_event.EventOFPRoleReply, MAIN_DISPATCHER)
> >     def role_reply_msg_handler(self, ev):
> >         msg = ev.msg
> >         datapath = msg.datapath
> >         self.logger.debug('RECEIVED ROLE REPLY MSG')
>
> >
> ------------------------------------------------------------------------------
> > Precog is a next-generation analytics platform capable of advanced
> > analytics on semi-structured data. The platform includes APIs for
> building
> > apps and a phenomenal toolset for data science. Developers can use
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> > _______________________________________________
> > Ryu-devel mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/ryu-devel
>
>
> --
> yamahata
>
>
> ------------------------------------------------------------------------------
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
> _______________________________________________
> Ryu-devel mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/ryu-devel
>
------------------------------------------------------------------------------
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis & visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter
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