Class: Waw::Commands::StartCommand

Inherits:
Command show all
Defined in:
lib/waw/commands/start_command.rb

Instance Attribute Summary

Attributes inherited from Command

#trace, #verbosity

Instance Method Summary collapse

Methods inherited from Command

#add_options, #exit, #info, #initialize, #options, #run, #shell_exec, #verbose

Constructor Details

This class inherits a constructor from Waw::Commands::Command

Instance Method Details

#__run(requester_file, arguments) ⇒ Object

Runs the sub-class defined command



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# File 'lib/waw/commands/start_command.rb', line 51

def __run(requester_file, arguments)
  waw_start(requester_file)[0].join
rescue Interrupt => ex
  info "waw-start stopping now... ciao!"
end
 


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# File 'lib/waw/commands/start_command.rb', line 7

def banner
  <<-EOF
    Usage: [waw-]start [options]
  EOF
end

#check_command_policy ⇒ Object

Start command is always safe



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# File 'lib/waw/commands/start_command.rb', line 14

def check_command_policy
  true
end

#waw_start(requester_file, verbose = true) ⇒ Object

Executes the waw-start command and returns the running thread



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# File 'lib/waw/commands/start_command.rb', line 19

def waw_start(requester_file, verbose = true)
  waw_kernel = Waw.autoload(requester_file)
  t = Thread.new(waw_kernel) do |app|
    begin
      server = Rack::Handler::Mongrel
    rescue LoadError => e
      server = Rack::Handler::WEBrick
    end
    options = {:Port => app.config.web_port, :Host => "0.0.0.0", :AccessLog => []}
    server.run app, options
  end
  try, ok = 0, false
  begin
    info "Attempting to reach the web server..." if verbose
    ::Net::HTTP.get(URI.parse(waw_kernel.config.web_base))
    ok = true
  rescue Errno::ECONNREFUSED => ex
    sleep 0.1
  end until (ok or (try += 1)>10)
  if ok
    if verbose
      info "Your web application has been started successfully"
      info "Have a look at #{waw_kernel.config.web_base}"
      info "Enjoy waw!"
    end
    [t, waw_kernel]
  else
    raise Waw::Error, "Unable to reach the web server after having been started"
  end
end