trema/trema-edge

#
# Copyright (C) 2013 NEC Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#


module Trema
  module Messages
    class PacketIn
      ARP_OP_REQUEST = 1
      ARP_OP_REPLY = 2
      ICMP_TYPE_ECHO_REQUEST = 8
      ICMP_TYPE_ECHO_REPLY = 0


      def arp_request?
        arp? and arp_op == ARP_OP_REQUEST
      end


      def arp_reply?
        arp? and arp_op == ARP_OP_REPLY
      end


      def icmpv4_echo_request?
        icmpv4? and icmpv4_type == ICMP_TYPE_ECHO_REQUEST
      end
    end
  end
end


### Local variables:
### mode: Ruby
### coding: utf-8-unix
### indent-tabs-mode: nil
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