Module: HTTPX::Plugins::Upgrade::InstanceMethods

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

Instance Method Summary collapse

Instance Method Details

#fetch_response(request, selector, options) ⇒ Object 



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# File 'lib/httpx/plugins/upgrade.rb', line 33

def fetch_response(request, selector, options)
  response = super

  return unless response

  return response unless response.is_a?(Response)

  return response unless response.headers.key?("upgrade")

  upgrade_protocol = response.headers["upgrade"].split(/ *, */).first

  return response unless upgrade_protocol && options.upgrade_handlers.key?(upgrade_protocol)

  protocol_handler = options.upgrade_handlers[upgrade_protocol]

  return response unless protocol_handler

  log { "upgrading to #{upgrade_protocol}..." }
  connection = find_connection(request.uri, selector, options)

  # do not upgrade already upgraded connections
  return if connection.upgrade_protocol == upgrade_protocol

  protocol_handler.call(connection, request, response)

  # keep in the loop if the server is switching, unless
  # the connection has been hijacked, in which case you want
  # to terminante immediately
  return fetch_response(request, selector, options) if response.status == 101 && !connection.hijacked

  response
end