Class: Zold::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/zold/commands/node.rb

Overview

NODE command

Defined Under Namespace

Classes: WebrickLog

Instance Method Summary collapse

Constructor Details

#initialize(log: Log::Quiet.new) ⇒ Node

Returns a new instance of Node.



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# File 'lib/zold/commands/node.rb', line 37

def initialize(log: Log::Quiet.new)
  @log = log
end

Instance Method Details

#run(args = []) ⇒ Object 



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# File 'lib/zold/commands/node.rb', line 41

def run(args = [])
  opts = Slop.parse(args, help: true, suppress_errors: true) do |o|
    o.banner = 'Usage: zold node [options]'
    o.string '--invoice',
      'The invoice you want to collect money to or the wallet ID'
    o.integer '--port',
      "TCP port to open for the Net (default: #{Remotes::PORT})",
      default: Remotes::PORT
    o.integer '--bind-port',
      "TCP port to listen on (default: #{Remotes::PORT})",
      default: Remotes::PORT
    o.string '--host', 'Host name (default: 127.0.0.1)',
      default: '127.0.0.1'
    o.string '--home', 'Home directory (default: .)',
      default: Dir.pwd
    o.integer '--strength',
      "The strength of the score (default: #{Score::STRENGTH})",
      default: Score::STRENGTH
    o.integer '--threads',
      'How many threads to use for scores finding (default: 4)',
      default: 4
    o.bool '--standalone',
      'Never communicate with other nodes (mostly for testing)',
      default: false
    o.bool '--ignore-score-weakness',
      'Ignore score weakness of incoming requests and register those nodes anyway',
      default: false
    o.bool '--never-reboot',
      'Don\'t reboot when a new version shows up in the network',
      default: false
    o.bool '--help', 'Print instructions'
  end
  if opts.help?
    @log.info(opts.to_s)
    return
  end
  raise '--invoice is mandatory' unless opts[:invoice]
  Front.set(:log, @log)
  Front.set(:logging, @log.debug?)
  FileUtils.mkdir_p(opts[:home])
  Front.set(:home, opts[:home])
  Front.set(
    :server_settings,
    Logger: WebrickLog.new(@log),
    AccessLog: []
  )
  if opts['standalone']
    remotes = Remotes::Empty.new
    @log.debug('Running in standalone mode! (will never talk to other remotes)')
  else
    remotes = Remotes.new(File.join(opts[:home], 'zold-remotes'))
  end
  Front.set(:ignore_score_weakness, opts['ignore-score-weakness'])
  wallets = Wallets.new(File.join(opts[:home], 'zold-wallets'))
  Front.set(:wallets, wallets)
  Front.set(:remotes, remotes)
  copies = File.join(opts[:home], 'zold-copies')
  Front.set(:copies, copies)
  address = "#{opts[:host]}:#{opts[:port]}".downcase
  Front.set(:address, address)
  Front.set(
    :entrance, Entrance.new(wallets, remotes, copies, address, log: @log)
  )
  Front.set(:root, Dir.pwd)
  Front.set(:port, opts['bind-port'])
  Front.set(:reboot, !opts['never-reboot'])
  invoice = opts[:invoice]
  unless invoice.include?('@')
    require_relative 'pull'
    Pull.new(wallets: wallets, remotes: remotes, copies: copies, log: @log).run(['pull', invoice])
    require_relative 'invoice'
    invoice = Invoice.new(wallets: wallets, log: @log).run(['invoice', invoice])
  end
  farm = Farm.new(invoice, File.join(opts[:home], 'farm'), log: @log)
  farm.start(
    opts[:host],
    opts[:port],
    threads: opts[:threads], strength: opts[:strength]
  )
  Front.set(:farm, farm)
  update = Thread.start do
    VerboseThread.new(@log).run do
      loop do
        sleep(60)
        require_relative 'remote'
        Remote.new(remotes: remotes, log: @log, farm: farm).run(%w[remote update --reboot])
        @log.debug('Regular update of remote nodes succeeded')
      end
    end
  end
  @log.debug("Starting up the web front at http://#{opts[:host]}:#{opts[:port]}...")
  begin
    Front.run!
  ensure
    farm.stop
    update.exit
  end
end