Created
August 2, 2016 06:35
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Generate series for a breach detection sample
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#!/usr/bin/env Rscript | |
suppressPackageStartupMessages(library("argparse")) | |
parser <- ArgumentParser( | |
description="Generate series for a breach detection sample" | |
) | |
parser$add_argument("-N", "--checks", type="integer", default=5, | |
help="Number of checks [default %(default)s]", | |
metavar="checks") | |
parser$add_argument("-M", "--attempts", type="integer", default=6, | |
help="Max number of attempts [default %(default)s]", | |
metavar="attempts") | |
parser$add_argument("-T", "--period", type="integer", default=60, | |
help="Max time period for a session [default %(default)s]", | |
metavar="period") | |
parser$add_argument("-K", "--series", type="integer", default=1000, | |
help="Number of items in series [default %(default)s]", | |
metavar="series") | |
parser$add_argument("-I", "--samples", type="integer", default=1000, | |
help="Number of samples [default %(default)s]", | |
metavar="samples") | |
parser$add_argument("-O", "--out", type="character", default="stdout", | |
help="Output file [default %(default)s]", | |
metavar="out") | |
args <- parser$parse_args() | |
fmt <- list(fmt="(%02d,%02d)") | |
legitimate.core <- mapply(sprintf, MoreArgs=fmt, | |
sample(0:(args$attempts / 2), args$series, replace=T), | |
sample(0:(args$period / 2), args$series, replace=T), | |
SIMPLIFY=F | |
) | |
malicious.core <- mapply(sprintf, MoreArgs=fmt, | |
sample((args$attempts / 2):args$attempts, args$series, replace=T), | |
sample((args$attempts / 2):args$period, args$series, replace=T), | |
SIMPLIFY=F | |
) | |
abnormal.core <- mapply(sprintf, MoreArgs=fmt, | |
sample(0:args$attempts, args$series, replace=T), | |
sample(0:args$period, args$series, replace=T), | |
SIMPLIFY=F | |
) | |
legitimate.series <- c( | |
sample(legitimate.core, args$series / 2, replace=T), | |
sample(malicious.core, args$series / 4, replace=T), | |
sample(abnormal.core, args$series / 4, replace=T) | |
) | |
malicious.series <- c( | |
sample(legitimate.core, args$series / 4, replace=T), | |
sample(malicious.core, args$series / 2, replace=T), | |
sample(abnormal.core, args$series / 4, replace=T) | |
) | |
abnormal.series <- c( | |
sample(legitimate.core, args$series / 4, replace=T), | |
sample(malicious.core, args$series / 4, replace=T), | |
sample(abnormal.core, args$series / 2, replace=T) | |
) | |
GenUser <- function() { | |
user.class.num <- sample(1:3, 1) | |
user.class <- switch(user.class.num, "legitimate", "malicious", "abnormal") | |
series <- switch(user.class.num, | |
sample(legitimate.series, args$checks, replace=T), | |
sample(malicious.series, args$checks, replace=T), | |
sample(abnormal.series, args$checks, replace=T) | |
) | |
sprintf("%s\t%s", user.class, paste(series, collapse=" ")) | |
} | |
users <- replicate(args$samples, GenUser()) | |
cat( | |
paste(users, collapse="\n"), | |
file=ifelse(args$out == "stdout", "", args$out) | |
) |
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