Class: PerfMonger::Command::ServerCommand

Inherits:
BaseCommand
  • Object
show all
Defined in:
lib/perfmonger/command/server.rb

Defined Under Namespace

Classes: DashboardServlet, FaucetServlet, Recorder

Instance Method Summary collapse

Methods inherited from BaseCommand

register_alias, register_command

Constructor Details

#initialize ⇒ ServerCommand

Returns a new instance of ServerCommand.



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# File 'lib/perfmonger/command/server.rb', line 51

def initialize
  @parser = OptionParser.new
  @parser.banner = "Usage: perfmonger server [options] -- [perfmonger record options]\n\nLaunch TCP and HTTP server which enables users to get current\nperfmonger data record via network.\n\nOptions:\n"

  @hostname = `hostname -f`.strip
  @http_hostname = nil
  @http_port = 20202
  @tcp_port  = 20203
end

Instance Method Details

#parse_args(argv) ⇒ Object 



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# File 'lib/perfmonger/command/server.rb', line 68

def parse_args(argv)
  @parser.on('-H', '--hostname NAME', "Host name to display (default: #{@hostname})") do |hostname|
    @hostname = hostname
  end

  @parser.on('--http-host NAME',
             "Host name for HTTP server URL. If not specified, value of '--hostname' option is used.") do |hostname|
    @http_hostname = hostname
  end

  @parser.on('--port PORT', 'HTTP server port to listen.') do |port|
    if ! port =~ /\A\d+\Z/
      puts("ERROR: invalid port number value: #{port}")
      puts(@parser.help)
      exit(false)
    end
    @http_port = port.to_i
  end

  @parser.on('-h', '--help', 'Show this help.') do
    puts @parser.help
    exit(false)
  end

  # @parser.on('--tcp-port PORT', 'TCP data server port to listen.') do |port|
  #   if ! port =~ /\A\d+\Z/
  #     puts("ERROR: invalid port number value: #{port}")
  #     puts(@parser.help)
  #     exit(false)
  #   end
  #   @tcp_port = port.to_i
  # end

  @parser.parse!(argv)

  if @http_hostname.nil?
    @http_hostname = @hostname
  end

  @record_cmd_args = argv
end

#run(argv) ⇒ Object 



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# File 'lib/perfmonger/command/server.rb', line 110

def run(argv)
  tmp_rootdir = Dir.mktmpdir
  parse_args(argv)

  _, record_option = PerfMonger::Command::RecordOption.parse(@record_cmd_args)

  # find perfmonger command
  perfmonger_bin = File.expand_path('exe/perfmonger', PerfMonger::ROOTDIR)
  if ! File.executable?(perfmonger_bin)
    puts("ERROR: perfmonger not found!")
    exit(false)
  end

  record_cmd = [perfmonger_bin, 'record',
                *@record_cmd_args]

  @recorder = Recorder.new(record_cmd).start

  puts("PerfMonger Realtime Monitor: http://#{@http_hostname}:#{@http_port}/dashboard")
  puts("")

  @http_server =  WEBrick::HTTPServer.new({:DocumentRoot => tmp_rootdir,
                                            :BindAddress => '0.0.0.0',
                                            :Port => @http_port})
  setup_webrick(@http_server, record_option)

  trap(:INT) do
    @http_server.stop
    @recorder.stop
  end
  @http_server.start
ensure
  FileUtils.rm_rf(tmp_rootdir)
end