ndoutils with zlib
Tilo Renz
trenz at tagwork-one.de
Mon Dec 15 19:01:37 CET 2008
Hello list,
Concerning the introduction of zlib into ndoutils, I did some homework.
I uploaded an intermediate version of ndoutils, showing just the first part of the refactoring process: Moving the ndomod-Configuration Parser to separate files.
It's available at http://joey.in-ulm.de/2008/ndoutils/#development
Also, Andreas Ericsson asked for numbers, showing the performance improvement.
http://joey.in-ulm.de/2008/ndoutils/#results shows a drastic reduction of network traffic after activating compression.
Andreas Ericson furhter suggested using minilzo instead of zlib.
Although I believe minilzo is a cool lib, I won't port the current solution to minilzo because
- the current solution with zlib is working.
- zlib is widely available
- zlib autodetects uncompressed data
- even without zlib, ndoutils compile & work (but uncompressed).
- zlib has utilility functions for reading/writing from/to streams
- easy testing with "netcat -l | zless"
I don't know how many of these features are supported by minilzo too.
I clearly see the advantages including compression at source-, instead of library-level, but I am not motivated to do this port.
Please review my changes, there still is the .configure-Problem!
config.h.in #DEFINEs the global USE_ZLIB and HAVE_ZLIB, but I cannot figure out how ./configure can set them, if zlib.h is available.
thanks for your time & patience,
Joey5337
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