Class: Yup::RequestForwarder

Inherits:
Object
  • Object
show all
Defined in:
lib/yup/request_forwarder.rb

Instance Method Summary collapse

Constructor Details

#initialize(http_method, request_url, headers, body, forward_to, timeout) ⇒ RequestForwarder

Returns a new instance of RequestForwarder.



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# File 'lib/yup/request_forwarder.rb', line 5

def initialize(http_method, request_url, headers, body, forward_to, timeout)
  @http_method = http_method
  @request_url = request_url
  @headers     = headers
  @body        = body
  @forward_to  = forward_to
  @timeout     = timeout
  @logger      = Yup.logger.clone

  @headers.merge!(
    'Host'       => @forward_to,
    'Connection' => 'Close')
end

Instance Method Details

#perform ⇒ Object 



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# File 'lib/yup/request_forwarder.rb', line 19

def perform
  http_method = @http_method.to_sym
  http_url    = "http://#{@forward_to}#{@request_url}"
  http = EventMachine::HttpRequest.
    new(http_url,
        :inactivity_timeout => @timeout).
    send(http_method,
         :head => @headers,
         :body => @body)

  @logger.progname = "Yup::RequestForwarder (##{self.__id__.to_s(36)} received at #{Time.now.to_s})"

  http.callback do
    Yup.watermark += 1

    if http.response_header && http.response_header.status && http.response_header.status / 100 == 2
      log_response(http)
      @logger.info "Success"
    else
      log_response(http)
      if Yup.retry_unless_2xx
        @logger.info "Fail: got status code #{http.response_header.status}; will retry after #{Yup.resend_delay} seconds"
        EventMachine.add_timer(Yup.resend_delay, &self.method(:retry))
      else
        @logger.info "Fail; will not retry"
      end
    end
  end

  http.errback do
    log_response(http)
    @logger.info "Error: #{http.inspect}: #{http.error}; will retry after #{Yup.resend_delay} seconds"

    EventMachine.add_timer(Yup.resend_delay, &self.method(:retry))
  end
end

#retry ⇒ Object 



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# File 'lib/yup/request_forwarder.rb', line 56

def retry
  self.perform
end