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Contents
#
# A router implementation in Trema
#
# 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.
#
require "arp-table"
require "routing-table"
class Interface
attr_reader :hwaddr
attr_reader :ipaddr
attr_reader :masklen
attr_reader :port
def initialize options
@port = options[ :port ]
@hwaddr = Mac.new( options[ :hwaddr ] )
@ipaddr = IPAddr.new( options[ :ipaddr ] )
@masklen = options[ :masklen ]
end
def has? mac
mac == hwaddr
end
end
class Interfaces
def initialize interfaces = []
@list = []
interfaces.each do | each |
@list << Interface.new( each )
end
end
def find_by_port port
@list.find do | each |
each.port == port
end
end
def find_by_ipaddr ipaddr
@list.find do | each |
each.ipaddr == ipaddr
end
end
def find_by_prefix ipaddr
@list.find do | each |
masklen = each.masklen
each.ipaddr.mask( masklen ) == ipaddr.mask( masklen )
end
end
def find_by_port_and_ipaddr port, ipaddr
@list.find do | each |
each.port == port and each.ipaddr == ipaddr
end
end
def ours? port, macda
return true if macda.broadcast?
interface = find_by_port( port )
if not interface.nil? and interface.has?( macda )
return true
end
end
end
### Local variables:
### mode: Ruby
### coding: utf-8
### indent-tabs-mode: nil
### End:
Version data entries
18 entries across 18 versions & 1 rubygems