Class: Aruba::CommandMonitor

Inherits:
Object
  • Object
show all
Defined in:
lib/aruba/platforms/command_monitor.rb

Overview

The command monitor is part of the private API of Aruba.

Defined Under Namespace

Classes: DefaultLastCommandStarted, DefaultLastCommandStopped

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ CommandMonitor 



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# File 'lib/aruba/platforms/command_monitor.rb', line 45

def initialize(opts = {})
  @registered_commands = []
  @announcer = opts.fetch(:announcer)

  @last_command_stopped = DefaultLastCommandStopped.new
  @last_command_started = DefaultLastCommandStarted.new
rescue KeyError => e
  raise ArgumentError, e.message
end

Instance Attribute Details

#last_command_started ⇒ Object

Returns the value of attribute last_command_started.



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# File 'lib/aruba/platforms/command_monitor.rb', line 15

def last_command_started
  @last_command_started
end

#last_command_stopped ⇒ Object

Returns the value of attribute last_command_stopped.



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# File 'lib/aruba/platforms/command_monitor.rb', line 55

def last_command_stopped
  @last_command_stopped
end

#registered_commands ⇒ Object (readonly)

Returns the value of attribute registered_commands.



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# File 'lib/aruba/platforms/command_monitor.rb', line 15

def registered_commands
  @registered_commands
end

Instance Method Details

#all_output ⇒ String

Get stderr and stdout of all commands



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# File 'lib/aruba/platforms/command_monitor.rb', line 118

def all_output
  all_stdout << all_stderr
end

#all_stderr ⇒ String

Get stderr of all commands



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# File 'lib/aruba/platforms/command_monitor.rb', line 108

def all_stderr
  registered_commands.each(&:stop)

  registered_commands.each_with_object('') { |e, a| a << e.stderr }
end

#all_stdout ⇒ String

Get stdout of all commands



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# File 'lib/aruba/platforms/command_monitor.rb', line 98

def all_stdout
  registered_commands.each(&:stop)

  registered_commands.each_with_object('') { |e, a| a << e.stdout }
end

#clear ⇒ Object

Clear list of known commands



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# File 'lib/aruba/platforms/command_monitor.rb', line 87

def clear
  registered_commands.each(&:terminate)
  registered_commands.clear

  self
end

#find(cmd) {|Command| ... } ⇒ Object

Find command

Yields:

  • (Command) —

    This yields the found command

Raises:



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# File 'lib/aruba/platforms/command_monitor.rb', line 77

def find(cmd)
  cmd = cmd.commandline if cmd.respond_to? :commandline
  command = registered_commands.reverse.find { |c| c.commandline == cmd }

  raise CommandNotFoundError, "No command named '#{cmd}' has been started" if command.nil?

  command
end

#register_command(cmd) ⇒ Object

Register command to monitor



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# File 'lib/aruba/platforms/command_monitor.rb', line 123

def register_command(cmd)
  registered_commands << cmd

  self
end