Module: HTTPX::Plugins::H2C::InstanceMethods

Defined in:
lib/httpx/plugins/h2c.rb

Instance Method Summary collapse

Instance Method Details

#request(*args, keep_open: @keep_open, **options) ⇒ Object 



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# File 'lib/httpx/plugins/h2c.rb', line 11

def request(*args, keep_open: @keep_open, **options)
  return super if @_h2c_probed
  begin
    requests = __build_reqs(*args, **options)

    upgrade_request = requests.first
    return super unless valid_h2c_upgrade_request?(upgrade_request)
    upgrade_request.headers["upgrade"] = "h2c"
    upgrade_request.headers.add("connection", "upgrade")
    upgrade_request.headers.add("connection", "http2-settings")
    upgrade_request.headers["http2-settings"] = HTTP2::Client.settings_header(@options.http2_settings)
    # TODO: validate!
    upgrade_response = __send_reqs(*upgrade_request, **options).first

    if upgrade_response.status == 101
      channel = find_channel(upgrade_request)
      parser = channel.upgrade_parser("h2")
      parser.extend(UpgradeExtensions)
      parser.upgrade(upgrade_request, upgrade_response, **options)
      data = upgrade_response.to_s
      parser << data
      response = upgrade_request.response
      if response.status == 200
        requests.delete(upgrade_request)
        return response if requests.empty?
      end
      responses = __send_reqs(*requests)
    else
      # proceed as usual
      responses = [upgrade_response] + __send_reqs(*requests[1..-1])
    end
    return responses.first if responses.size == 1
    responses
  ensure
    @_h2c_probed = true
    close unless keep_open
  end
end