# class Rack::Handler::WEBrick

### Public Class Methods

new(server, app) click to toggle source
Calls superclass method

    # File lib/rack/handler/webrick.rb, line 61
    def initialize(server, app)
      super server
      @app = app
    end

run(app, **options) { |server| ... } click to toggle source

    # File lib/rack/handler/webrick.rb, line 26
    def self.run(app, **options)
      environment  = ENV['RACK_ENV'] || 'development'
      default_host = environment == 'development' ? 'localhost' : nil

      if !options[:BindAddress] || options[:Host]
        options[:BindAddress] = options.delete(:Host) || default_host
      end
      options[:Port] ||= 8080
      if options[:SSLEnable]
        require 'webrick/https'
      end

      @server = ::WEBrick::HTTPServer.new(options)
      @server.mount "/", Rack::Handler::WEBrick, app
      yield @server  if block_given?
      @server.start
    end

shutdown() click to toggle source

    # File lib/rack/handler/webrick.rb, line 54
    def self.shutdown
      if @server
        @server.shutdown
        @server = nil
      end
    end

valid_options() click to toggle source

    # File lib/rack/handler/webrick.rb, line 44
    def self.valid_options
      environment  = ENV['RACK_ENV'] || 'development'
      default_host = environment == 'development' ? 'localhost' : '0.0.0.0'

      {
        "Host=HOST" => "Hostname to listen on (default: #{default_host})",
        "Port=PORT" => "Port to listen on (default: 8080)",
      }
    end

### Public Instance Methods

service(req, res) click to toggle source

    # File lib/rack/handler/webrick.rb, line 66
    def service(req, res)
      res.rack = true
      env = req.meta_vars
      env.delete_if { |k, v| v.nil? }

      rack_input = StringIO.new(req.body.to_s)
      rack_input.set_encoding(Encoding::BINARY)

      env.update(
        RACK_VERSION      => Rack::VERSION,
        RACK_INPUT        => rack_input,
        RACK_ERRORS       => $stderr,
        RACK_MULTITHREAD  => true,
        RACK_MULTIPROCESS => false,
        RACK_RUNONCE      => false,
        RACK_URL_SCHEME   => ["yes", "on", "1"].include?(env[HTTPS]) ? "https" : "http",
        RACK_IS_HIJACK    => true,
        RACK_HIJACK       => lambda { raise NotImplementedError, "only partial hijack is supported."},
        RACK_HIJACK_IO    => nil
      )

      env[HTTP_VERSION] ||= env[SERVER_PROTOCOL]
      env[QUERY_STRING] ||= ""
      unless env[PATH_INFO] == ""
        path, n = req.request_uri.path, env[SCRIPT_NAME].length
        env[PATH_INFO] = path[n, path.length - n]
      end
      env[REQUEST_PATH] ||= [env[SCRIPT_NAME], env[PATH_INFO]].join

      status, headers, body = @app.call(env)
      begin
        res.status = status.to_i
        io_lambda = nil
        headers.each { |k, vs|
          if k == RACK_HIJACK
            io_lambda = vs
          elsif k.downcase == "set-cookie"
            res.cookies.concat vs.split("\n")
          else
            # Since WEBrick won't accept repeated headers,
            # merge the values per RFC 1945 section 4.2.
            res[k] = vs.split("\n").join(", ")
          end
        }

        if io_lambda
          rd, wr = IO.pipe
          res.body = rd
          res.chunked = true
          io_lambda.call wr
        elsif body.respond_to?(:to_path)
          res.body = ::File.open(body.to_path, 'rb')
        else
          body.each { |part|
            res.body << part
          }
        end
      ensure
        body.close  if body.respond_to? :close
      end
    end