Class: Spider::HTTP::WEBrickServlet

Inherits:
WEBrick::HTTPServlet::AbstractServlet
  • Object
show all
Defined in:
lib/spiderfw/http/adapters/webrick.rb

Instance Method Summary collapse

Instance Method Details

#prepare_env(request) ⇒ Object 



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# File 'lib/spiderfw/http/adapters/webrick.rb', line 163

def prepare_env(request)
    # Spider.logger.debug("WEBRICK REQUEST: #{request}")
    # Spider.logger.debug("METAVARS: #{request.meta_vars}")
    env = request.meta_vars.clone
    env['HTTP_CONTENT_TYPE'] = env['CONTENT_TYPE']
    env["HTTP_VERSION"] ||= env["SERVER_PROTOCOL"]
    env["QUERY_STRING"] ||= ""
    env["REQUEST_PATH"] ||= env['PATH_INFO']
    return env
end

#service(request, response) ⇒ Object 



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# File 'lib/spiderfw/http/adapters/webrick.rb', line 111

def service(request, response)
    Spider.request_started
    env = prepare_env(request)
    controller_request = WEBrickRequest.new(env)
    controller_request.server = WEBrick
    controller_request.webrick_request = request
    path = request.path.chomp('/')
    controller_request.action = path || ''
    controller_request.request_time = request.request_time
    controller_request.body = request.body

    r, w = IO.pipe
    response.body = r

    controller_response = Spider::Response.new
    controller_response.server_output = WEBrickIO.new(response, controller_response, w)


    controller_done = false

    run_block = lambda do
        begin
            controller = ::Spider::HTTPController.new(controller_request, controller_response)
            controller.extend(Spider::FirstResponder)
            controller.before(path)
            controller.execute(path)
            controller.after(path)
            Spider::Logger.debug("Controller done")
        rescue => exc
            Spider.logger.debug("Error:")
            Spider.logger.debug(exc)
            controller.ensure() if controller
        ensure
            controller_response.server_output.send_headers unless controller_response.server_output.headers_sent?
            w.close
            controller_done = true
            Spider.request_finished
        end
    end

    if (Spider.conf.get('webserver.force_threads'))
        controllerThread = Thread.start &run_block
        while (!controller_done && !controller_response.server_output.headers_sent?)
            Thread.stop
        end
    else
        run_block.call
    end

    Spider.logger.debug("Webrick responding")
end