read_all

# File lib/net/protocol.rb, line 171
    def read_all(dest = ''.b)
      LOG 'reading all...'
      read_bytes = 0
      begin
        while true
          s = rbuf_consume(@rbuf.size)
          read_bytes += s.size
          dest << s
          rbuf_fill
        end
      rescue EOFError
        ;
      end
      LOG "read #{read_bytes} bytes"
      dest
    end