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Contents
#
# The syntax definition of switch { ... } stanza in Trema DSL.
#
# Author: Yasuhito Takamiya <yasuhito@gmail.com>
#
# Copyright (C) 2008-2012 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 "trema/dsl/stanza"
module Trema
module DSL
class Switch < Stanza
def dpid value
case value
when String
set_dpid value
when Integer
set_dpid sprintf( "%#x", value )
else
raise "Invalid datapath_id: #{ value }"
end
end
alias :datapath_id :dpid
def ports str
@ports = str
end
def validate
set_dpid name if /\A0x/=~ name
raise "Invalid dpid: #{ @name }" if @dpid_short.nil?
end
##########################################################################
private
##########################################################################
def set_dpid string
@dpid_long = dpid_long_from( string )
@dpid_short = string
@name = @dpid_short if @name.nil?
end
def dpid_long_from string
no_0x = string.gsub( /^0x/, "" )
"0" * ( 16 - no_0x.length ) + no_0x
end
end
end
end
### Local variables:
### mode: Ruby
### coding: utf-8-unix
### indent-tabs-mode: nil
### End:
Version data entries
23 entries across 23 versions & 1 rubygems