Changes between Version 4 and Version 5 of GEC20Agenda/LabWiki/ModuleE


Ignore:
Timestamp:
06/19/14 18:27:48 (5 years ago)
Author:
dbhat@bbn.com
Comment:

--

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  • GEC20Agenda/LabWiki/ModuleE

    v4 v5  
    5555
    5656
    57 == 1.1 !OpenFlow Statistics Measurement ==
    58 
    59 ofcollect.rb
    60 {{{
    61 
    62 #!/usr/bin/env ruby
    63 require 'rubygems'
    64 require 'oml4r'
    65 require 'file-tail'
    66 APPNAME = "ofstats"
    67 class MPThroughput < OML4R::MPBase
    68    name :ofthroughput
    69    param :pathtype, :type => :string
    70    param :numflows, :type => :int64
    71    param :numbytes, :type => :int64
    72    param :numpacket, :type => :int64
    73    param :throughput, :type => :int64
    74    param :units,        :type => :string
    75    param :instput, :type => :int64
    76    param :units2,       :type => :string
    77 end
    78 class OFStatsWrapper
    79   def initialize(args)
    80      @addr = nil
    81      @if_num = ' '
    82      @trema_port = ' '
    83      @trema_path = ' '
    84      @verbose = true
    85      @numeric = ' '
    86      OML4R::init(args, :appName => "#{APPNAME}_wrapper", :domain => 'foo', :collect => 'file:-') {  |argParser|
    87        argParser.banner = "Reports OpenFlow stat measurements via OML\n\n"
    88        argParser.on("-f" , "--file_path ADDRESS", "Path where output is saved"){ |address| @addr = address }
    89        argParser.on("-i","--interface IFNUM","Interface number"){ |if_num| @if_num ="#{if_num.to_i()}" }
    90        argParser.on("-q", "--no-quiet ","Don't show of stats output on console"){ @verbose = false }
    91        argParser.on("-n", "--[no]-numeric ", "No attempt twill be made to look up symbolic names for host addresses"){ @numeric ='-n' }
    92     }
    93      unless @addr !=nil
    94       raise "You did not specify path of file (-p option)"
    95     end
    96 end
    97 class MyFile < File
    98   include File::Tail
    99 end
    100 def start()
    101                 log = MyFile.new("#{@addr}")
    102                 log.interval = @if_num
    103                 log.backward(10)
    104                 puts "#{@if_num}"
    105                 log.tail { |line| print line
    106                 processOutput(line)
    107                 }
    108 end
    109 def processOutput(output)
    110   column = output.split(" ")
    111       puts "Each line process"
    112       # Inject the measurements into OML
    113       MPThroughput.inject("#{column[0]}", column[1], column[2],
    114                                 column[3], column[4], "#{column[5]}",
    115                                 column[6], "#{column[7]}")
    116 end
    117 end
    118 begin
    119   app = OFStatsWrapper.new(ARGV)
    120   app.start()
    121   rescue SystemExit
    122   rescue SignalException
    123      puts "OFWrapper stopped."
    124   rescue Exception => ex
    125   puts "Error - When executing the wrapper application!"
    126   puts "Error - Type: #{ex.class}"
    127   puts "Error - Message: #{ex}\n\n"
    128   # Uncomment the next line to get more info on errors
    129   # puts "Trace - #{ex.backtrace.join("\n\t")}"
    130 end
    131 OML4R::close()
    132 # Local Variables:
    133 # mode:ruby
    134 # End:
    135 # vim: ft=ruby:sw=2
    136 }}}
    137 
    138 OEDL script
    139 {{{
    140 
    141 defProperty('source1', "nowcastbox-sdxdemo", "ID of a resource")
    142 defProperty('intervalcol',"1", "Interval to Tail")
    143 
    144 defProperty('pathfile', "/tmp/flowstats.out", "Path to file")
    145 
    146 
    147 
    148 defApplication('ofstats') do |app|
    149   app.description = 'Simple Definition for the of-collect application'
    150   # Define the path to the binary executable for this application
    151   app.binary_path = '/usr/local/bin/ofcollect.rb'
    152   app.defProperty('target', 'Address to output file', '-f', {:type => :string})
    153   app.defProperty("interval","Interval",'-i', {:type => :string})
    154   app.defMeasurement('wrapper_ofthroughput') do |m|
    155     m.defMetric(':pathtype', :string)
    156     m.defMetric('throughput',:int64)
    157     m.defMetric('instput',:int64)
    158   end
    159 end
    160 defGroup('Source1', property.source1) do |node|
    161   node.addApplication("ofstats") do |app|
    162     app.setProperty('target', property.pathfile)
    163     app.setProperty('interval', property.intervalcol)
    164     app.measure('wrapper_ofthroughput', :samples => 1)
    165   end
    166 end
    167 
    168 
    169 onEvent(:ALL_UP_AND_INSTALLED) do |event|
    170   info "Starting the collect"
    171   after 2 do
    172     group('Source1').startApplications
    173   end
    174   after 800 do
    175     info "Stopping the collect"
    176     allGroups.stopApplications
    177     Experiment.done
    178   end
    179 end
    180 
    181 defGraph 'Throughput' do |g|
    182   g.ms('wrapper_ofthroughput').select(:oml_ts_client, :throughput, :pathtype)
    183   g.caption "Throughput of Flows"
    184   g.type 'line_chart3'
    185   g.mapping :x_axis => :oml_ts_client, :y_axis => :throughput, :group_by => :pathtype
    186   g.xaxis :legend => 'oml_ts'
    187   g.yaxis :legend => 'Throughput', :ticks => {:format => 's'}
    188 end
    189 defGraph 'InstantaneousThroughput' do |g|
    190   g.ms('wrapper_ofthroughput').select(:oml_ts_client, :instput, :pathtype)
    191   g.caption "Throughput of Flows"
    192   g.type 'line_chart3'
    193   g.mapping :x_axis => :oml_ts_client, :y_axis => :instput, :group_by => :pathtype
    194   g.xaxis :legend => 'oml_ts'
    195   g.yaxis :legend => 'Instantaneous Throughput', :ticks => {:format => 's'}
    196 end
    197 
    198 }}}
    199 
    200 
    201 [wiki:GEC20Agenda/LabWiki LabWiki Tutorial]