try_to_finish

in lib/puma/client.rb [150:185]

• 28 lines of code
• 8 McCabe index (conditional complexity)

    def try_to_finish
      return read_body unless @read_header

      begin
        data = @io.read_nonblock(CHUNK_SIZE)
      rescue Errno::EAGAIN
        return false
      rescue SystemCallError, IOError, EOFError
        raise ConnectionError, "Connection error detected during read"
      end

      
      unless data
        @buffer = nil
        set_ready
        raise EOFError
      end

      if @buffer
        @buffer << data
      else
        @buffer = data
      end

      @parsed_bytes = @parser.execute(@env, @buffer, @parsed_bytes)

      if @parser.finished?
        return setup_body
      elsif @parsed_bytes >= MAX_HEADER
        raise HttpParserError,
          "HEADER is longer than allowed, aborting client early."
      end

      false
    end