# File lib/net/http/persistent.rb, line 482
  def initialize name = nil, proxy = nil
    @name = name

    @debug_output     = nil
    @proxy_uri        = nil
    @no_proxy         = []
    @headers          = {}
    @override_headers = {}
    @http_versions    = {}
    @keep_alive       = 30
    @open_timeout     = nil
    @read_timeout     = nil
    @idle_timeout     = 5
    @max_requests     = nil
    @socket_options   = []

    @socket_options << [Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1] if
      Socket.const_defined? :TCP_NODELAY

    key = ['net_http_persistent', name].compact
    @generation_key     = [key, 'generations'    ].join('_').intern
    @ssl_generation_key = [key, 'ssl_generations'].join('_').intern
    @request_key        = [key, 'requests'       ].join('_').intern
    @timeout_key        = [key, 'timeouts'       ].join('_').intern

    @certificate        = nil
    @ca_file            = nil
    @private_key        = nil
    @ssl_version        = nil
    @verify_callback    = nil
    @verify_mode        = nil
    @cert_store         = nil

    @generation         = 0 # incremented when proxy URI changes
    @ssl_generation     = 0 # incremented when SSL session variables change

    if HAVE_OPENSSL then
      @verify_mode        = OpenSSL::SSL::VERIFY_PEER
      @reuse_ssl_sessions = OpenSSL::SSL.const_defined? :Session
    end

    @retry_change_requests = false

    @ruby_1 = RUBY_VERSION < '2'
    @retried_on_ruby_2 = !@ruby_1

    self.proxy = proxy if proxy
  end