connect

# File lib/net/http.rb, line 558
    def connect
      D "opening connection to #{conn_address()}..."
      s = timeout(@open_timeout) { TCPSocket.open(conn_address(), conn_port()) }
      D "opened"
      if use_ssl?
        unless @ssl_context.verify_mode
          warn "warning: peer certificate won't be verified in this SSL session"
          @ssl_context.verify_mode = OpenSSL::SSL::VERIFY_NONE
        end
        s = OpenSSL::SSL::SSLSocket.new(s, @ssl_context)
        s.sync_close = true
      end
      @socket = BufferedIO.new(s)
      @socket.read_timeout = @read_timeout
      @socket.debug_output = @debug_output
      if use_ssl?
        if proxy?
          @socket.writeline sprintf('CONNECT %s:%s HTTP/%s',
                                    @address, @port, HTTPVersion)
          @socket.writeline "Host: #{@address}:#{@port}"
          if proxy_user
            credential = ["#{proxy_user}:#{proxy_pass}"].pack('m')
            credential.delete!("\r\n")
            @socket.writeline "Proxy-Authorization: Basic #{credential}"
          end
          @socket.writeline ''
          HTTPResponse.read_new(@socket).value
        end
        s.connect
        if @ssl_context.verify_mode != OpenSSL::SSL::VERIFY_NONE
          s.post_connection_check(@address)
        end
      end
      on_connect
    end