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Introduction
============
This directory contains patches and scripts for my experiments regarding download time estimation
algorithms, using KTorrent for gathering data ;-)
Files
=====
enable-logging.diff - Patch to apply to enable logging download stats once per second to $KDEHOME/share/apps/ktorrent/log (by Ivan). Apply it if you want to help collecting test cases.
processlog.rb - extracts logs for single torrents from $KDEHOME/share/apps/ktorrent/log and stores them in $FILENAME-torrent.log
Sample.rb - class representing a sample, does the parsing (given a line from adjustTimestmaps output)
Estimators.rb - Some basic estimators, for estimation based on current speed, average speed and moving average speed.
EstimationResults.rb - Calculates and holds the estimation results of an estimator, including statistics such as relative error for each estimation, root mean square error and the like
What to do
==========
1) Apply the patch: In torrent/ dir, apply it via
cat enable-logging.diff | patch -p0
2) Run ktorrent and download torrents. When completed, run processlog.rb:
ruby processlog.rb $KDEHOME/share/apps/ktorrent/log
Extracted logs end up in $TORRENTFILENAME-torrent.log. ATTENTION: existing files are overwritten!
4) Now, analyze the -adjusted file with a ruby script, using Sample.rb, Estimators.rb, and EstimationResults.rb... ;-)
I will upload something useful as soon as finished.
Frank Osterfeld, <frank.osterfeld at kdemail.net>
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