Module: Yahns::RackupHandler

Defined in:
lib/yahns/rackup_handler.rb

Overview

:nodoc:

Class Method Summary collapse

Class Method Details

.default_host ⇒ Object 



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# File 'lib/yahns/rackup_handler.rb', line 6

def self.default_host
  environment  = ENV['RACK_ENV'] || 'development'
  environment == 'development' ? '127.0.0.1' : '0.0.0.0'
end

.run(app, o) ⇒ Object 



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# File 'lib/yahns/rackup_handler.rb', line 11

def self.run(app, o)
  cfg = Yahns::Config.new
  cfg.instance_eval do
    # we need this because "rackup -D" sends us to "/", which might be
    # fine for most apps, but we have SIGUSR2 restarts to support
    working_directory(Yahns::START[:cwd])

    app(:rack, app) do
      addr = o[:listen] || "#{o[:Host]||default_host}:#{o[:Port]||8080}"
      # allow listening to multiple addresses
      if addr =~ /,/
        addr.split(/,/).each { |l| listen(l) }
      else
        listen addr
      end

      val = o[:client_timeout] and client_timeout(val)
    end

    queue do
      wt = o[:worker_threads] and worker_threads(wt)
    end

    %w(stderr_path stdout_path).each do |x|
      x = x.to_sym
      val = o[x] and __send__(x, val)
    end
  end
  Yahns::Server.new(cfg).start.join
end

.valid_options ⇒ Object 



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# File 'lib/yahns/rackup_handler.rb', line 42

def self.valid_options
  # these should be the most common options
  {
    "listen=ADDRESS" => "address(es) to listen on (e.g. /tmp/sock)",
    "worker_threads=NUM" => "number of worker threads to run",

    # this affects how quickly graceful shutdown goes
    "client_timeout=SECONDS" => "timeout for idle clients",

    # I don't want these here, but rackup supports daemonize and
    # we lose useful information when that sends stdout/stderr to /dev/null
    "stderr_path=PATH" => "stderr destination",
    "stdout_path=PATH" => "stdout destination",
  }
end