#! /usr/local/bin/ruby

#  Copyright (c) 2006 Frédéric Senault.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. Neither the name of the author or any contributors may be used to
#    endorse or promote products derived from this software without
#    specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

class NATGrapher < Grapher
	def subtitle(id)
		case id
		when :pkts then
			"Utilisation (paquets/seconde)"
		when :rules then
			"Règles de nat"
		end
	end
	def index(file)
		if(file =~ /^(.*)_nat/) then
			t = $1.to_s
			t.gsub!(/_/, ' ')
			yield(file, "NAT, #{t}")
		end
	end
	def register(link)
		if(link =~ /_nat$/) then
			yield(:pkts)
			yield(:rules)
		end
	end
	def graph(link, id, gfx, file)
		case id
		when :pkts then
			gfx.adddef('in',  file, 'nat_in',  :AVERAGE, \
					'Paquets entrants', '%8.3lf')
			gfx.adddef('out', file, 'nat_out', :AVERAGE, \
					'Paquets sortants', '%8.3lf')
			
			gfx.addcdef('out_i', '0,out,-', nil, nil)
			
			tg = gfx.addgraph(:AREA, 'in', nil, 'Paquets')
			tg = gfx.addgraph(:AREA, 'out_i', tg.color, '')
			gfx.addgraph(:LINE, '0', '000000', '')

		when :rules then
			gfx.adddef('rules', file, 'nat_rules', :AVERAGE, \
					'Règles statiques',   '%8.3lf')
			gfx.adddef('use',   file, 'nat_use',   :AVERAGE, \
					'Règles dynamiques',  '%8.3lf')
			
			gfx.addgraph(:LINE, 'rules', nil, 'Statiques')
			gfx.addgraph(:LINE, 'use',   nil, 'Dynamiques')
		end
	end
end