bin/trema
#! /usr/bin/env ruby
#
# Trema command-line tool.
#
# Copyright (C) 2008-2013 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.
#
$LOAD_PATH.unshift File.expand_path( File.join File.dirname( __FILE__ ), "..", "ruby" )
require "gli"
require "trema/command"
require "trema/util"
require "trema/version"
include GLI::App
include Trema::Util
include Trema::Command
program_desc "Trema command-line tool"
desc "Displays the current runtime version"
version Trema::VERSION
desc "Be verbose"
switch [ :v, :verbose ], :negatable => false
desc "Runs a trema application"
arg_name "controller"
command :run do | c |
c.desc "Runs as a daemon"
c.switch [ :d, :daemonize ], :negatable => false
c.desc "Enables Trema wireshark plugin"
c.switch [ :s, :tremashark ], :negatable => false
c.desc "Specifies emulated network configuration"
c.flag [ :c, :conf ]
c.action do | global_options, options, args |
trema_run options
end
end
desc "Terminates a trema process"
arg_name "name"
command :kill do | c |
c.action do | global_options, options, args |
help_now!( "name is required" ) if args.empty?
args.each do | each |
trema_kill each
end
end
end
desc "Starts a killed trema process again"
arg_name "name"
command :up do | c |
c.action do | global_options, options, args |
trema_up args[ 0 ]
end
end
desc "Terminates all trema processes"
command :killall do | c |
c.action do
trema_killall
end
end
desc "Sends UDP packets to destination host"
command :send_packets do | c |
c.desc "host that sends packets"
c.flag [ :s, :source ]
c.desc "host that receives packets"
c.flag [ :d, :dest ]
c.desc "number of times to increment the IP source address"
c.default_value nil
c.flag [ :inc_ip_src ]
c.desc "number of times to increment the IP destination address"
c.default_value nil
c.flag [ :inc_ip_dst ]
c.desc "set the initial UDP source port"
c.flag [ :tp_src ]
c.desc "number of times to increment the UDP source port"
c.default_value nil
c.flag [ :inc_tp_src ]
c.desc "set the initial UDP destination port"
c.flag [ :tp_dst ]
c.desc "number of times to increment the UDP destination port"
c.default_value nil
c.flag [ :inc_tp_dst ]
c.desc "send packet rate - packets per second"
c.flag [ :pps ]
c.desc "number of packets to send"
c.flag [ :n_pkts ]
c.desc "time duration to send packets"
c.flag [ :duration ]
c.desc "length of UDP payload"
c.flag [ :length ]
c.desc "increment UDP payload"
c.default_value nil
c.flag [ :inc_payload ]
c.action do | global_options, options, args |
raise "--source option is mandatory" if options[ :source ].nil?
raise "--dest option is mandatory" if options[ :dest ].nil?
trema_send_packets options[ :source ], options[ :dest ], options
end
end
desc "Shows stats of packets"
arg_name "host"
command :show_stats do | c |
c.desc "Show stats of packets sent"
c.switch [ :t, :tx ], :negatable => false
c.desc "Show stats of packets received"
c.switch [ :r, :rx ], :negatable => false
c.action do | global_options, options, args |
help_now!( "host is required" ) if args.empty?
trema_show_stats args[ 0 ], options[ :tx ], options[ :rx ]
end
end
desc "Resets stats of packets"
arg_name "hosts..."
command :reset_stats do | c |
c.action do | global_options, options, args |
hosts = args
if hosts.empty?
hosts = Trema::DSL::Context.load_current.hosts.keys
end
hosts.each do | each |
trema_reset_stats each
end
end
end
desc "Opens a new shell in the specified network namespace"
arg_name "name"
command :netns do | c |
c.action do | global_options, options, args |
trema_netns args[ 0 ]
end
end
desc "Opens in your browser Trema's Ruby API documentation"
command :ruby do | c |
c.action do
trema_ruby
end
end
desc "Displays the current runtime version"
command :version do | c |
c.action do
trema_version
end
end
GLI::Commands::Help.skips_pre = false
pre do | global, command, options, args |
$verbose = global[ :verbose ]
if global[ :version ]
trema_version
exit_now! nil, 0
end
assert_trema_is_built
if FileTest.exist?( Trema.tmp ) and not FileTest.writable?( Trema.tmp )
# Trema is system widely installed with gem command
sh "sudo chmod o+w -R #{ Trema.tmp }"
end
FileUtils.mkdir_p Trema.log
FileUtils.mkdir_p Trema.pid
FileUtils.mkdir_p Trema.sock
true
end
on_error do | exception |
# Error logic here
# return false to skip default error handling
true
end
exit run( ARGV )
### Local variables:
### mode: Ruby
### coding: utf-8
### indent-tabs-mode: nil
### End: