Class: Appear::Instance

Inherits:
Service show all
Defined in:
lib/appear/instance.rb

Overview

Instance is the main class in Appear. It constructs all the other services and co-ordinates the actual revealing process.

Instance Method Summary collapse

Methods inherited from BaseService

delegate, require_service, required_services

Constructor Details

#initialize(config) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/appear/instance.rb', line 19

def initialize(config)
  @config = config

  # provide a reference to this revealer instance so that sub-revealers can
  # appear other process trees, if needed. Our Tmux revealer uses this
  # service to appear the tmux client.
  @all_services = { :revealer => self }

  # instantiate all our various services
  @all_services[:output] = Appear::Output.new(@config.log_file, @config.silent)
  @all_services[:runner] = Appear::Runner.new(@all_services)
  @all_services[:runner] = Appear::RunnerRecorder.new(@all_services) if @config.record_runs
  @all_services[:processes] = Appear::Processes.new(@all_services)
  @all_services[:lsof] = Appear::Lsof.new(@all_services)
  @all_services[:mac_os] = Appear::MacOs.new(@all_services)
  @all_services[:tmux] = Appear::Tmux.new(@all_services)
  @all_services[:terminals] = Appear::Terminals.new([
    Appear::Terminal::Iterm2.new(@all_services),
    Appear::Terminal::TerminalApp.new(@all_services),
  ])

  # make sure we can use our processes service, and log stuff.
  super(@all_services)
end

Instance Method Details

#call(pid) ⇒ Boolean

appear the given PID.

Parameters:

  • pid (Number) —

    process id

Returns:

  • (Boolean) —

    true if we revealed something, false otherwise.



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# File 'lib/appear/instance.rb', line 48

def call(pid)
  tree = process_tree(pid)

  statuses = ::Appear::REVEALERS.map do |klass|
    revealer = klass.new(@all_services)
    revealer.call(tree)
  end

  statuses.any? { |status| !status.nil? }
end