Can someone suggest how to make the packets received on a socket into
a lazy sequence?
The application I'm making is a log file parser. A (Java) program is
producing log output using log4j, the output can go to file(s) or be
sent to a socket. So, the program has this outline:
(defn fileLines [fileNameSeq]
"Return a lazy sequence of lines from the given lazy sequence of file
names.
Return nil at end of file." ...)
(defn socketLines [ipAddr portN]
"Return a lazy sequence of lines from a server socket at the given
place.
Return nil if socket error." ...)
(defn parseLine [line] ... )
(defn parseLines [lineSeq]
"Parse the lines from lineSeq."
(loop [line (first lineSeq) tail (rest lineSeq)]
(when line
(parseLine line)
(recur (first tail) (rest tail)))))
I think I know how to do fileLines, but not socketLines. (Each
received packet should contain one line as it would have been written
to a file, I think). My problem is not how to manage a server socket,
but how to make an ISeq -- i.e. what exactly is the contract that ISeq
defines (the source code has no comments).
Thanks in advance.
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