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When receive and parse the response from server.
- for header, we read line by line, with
Rio_readlineb(). - for body, we parse the body size from the header info, and read the body at once, with
Rio_readnb().
- for header, we read line by line, with
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[TRY]: if we can parse the header info and send that information to the client at the same time.
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use Rio instead of normal IO for read and write.
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whenver init with
char var[xx], note that such var refers to random memory, should mark the ending position as\0, such that we know where to stop, and not printing out random trash.
LFU policy:
- when frequency = 1, >= min entry in LFU table will not evict any existing entry. when frequency > 1, >= will take effect.