Module: Iodine::Base::CLI

Extended by:
CLI
Included in:
CLI
Defined in:
lib/iodine/cli.rb

Overview

Command line interface. The Ruby CLI might be changed in future versions.

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/iodine/cli.rb', line 53

def call
  if ARGV[0] =~ /(\-\?)|(help)|(\?)|(h)|(\-h)$/
    return print_help
  end

  app, opt = nil, nil
  filename = ((ARGV[-2].to_s[0] != '-' || ARGV[-2].to_s == '-warmup' || ARGV[-2].to_s == '-v' || ARGV[-2].to_s == '-q') && ARGV[-1].to_s[0] != '-' && ARGV[-1])
  if filename
    app, opt = try_file filename;
    unless opt
      puts "* Couldn't find #{filename}\n  testing for config.ru\n"
      app, opt = try_file "config.ru"
    end
  else
    app, opt = try_file "config.ru";
  end

  unless opt
    puts "WARNING: Ruby application not found#{ filename ? " - missing both #{filename} and config.ru" : " - missing config.ru"}."
    if ARGV.index('-www') && ARGV[ARGV.index('-www') + 1]
      puts "         Running only static file service."
      opt = ::Rack::Server::Options.new.parse!([])
    else
      puts "For help run:"
      puts "       iodine -?"
      return
    end
  end

  Iodine.warmup(app) if ARGV.index('-warmup')
  Iodine::Rack.run(app, opt)
end

#print_help ⇒ Object 



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# File 'lib/iodine/cli.rb', line 10

def print_help
  puts <<-EOS

Iodine's HTTP/Websocket server version #{Iodine::VERSION}

Use:

    iodine <options> <filename>

Both <options> and <filename> are optional.

Available options:
 -b          Binding address. Default: nil (same as 0.0.0.0).
 -p          Port number. Default: 3000.
 -t          Number of threads. Default: CPU core count.
 -w          Number of worker processes. Default: CPU core count.
 -www        Public folder for static file serving. Default: nil (none).
 -v          Log responses. Default: never log responses.
 -warmup     Warmup invokes autoloading (lazy loading) during server startup.
 -tout       HTTP inactivity connection timeout. Default: 40 seconds.
 -maxhead    Maximum total headers length per HTTP request. Default: 32Kb.
 -maxbd      Maximum Mb per HTTP message (max body size). Default: 50Mb.
 -maxms      Maximum Bytes per Websocket message. Default: 250Kb.
 -ping       Websocket ping interval in seconds. Default: 40 seconds.
 <filename>  Defaults to: config.ru

Example:

    iodine -p 80

    iodine -p 8080 path/to/app/conf.ru

    iodine -p 8080 -w 4 -t 16

EOS
end

#try_file(filename) ⇒ Object 



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# File 'lib/iodine/cli.rb', line 48

def try_file filename
  return nil unless File.exist? filename
  return ::Rack::Builder.parse_file filename
end