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#!/usr/local/bin/perl
# $Id: fileno-to-pathname.pl,v 1.4 2005/05/17 16:56:36 hno Exp $
# Convert hexadecimal cache file numbers (from swap log) into full pathnames.
# Duane Wessels 6/30/97
require 'getopts.pl';
&Getopts('c:');
$L1 = 16;
$L2 = 256;
$CF = $opt_c || '/usr/local/squid/etc/squid.conf';
&usage unless (open (CF));
$ncache_dirs = 0;
while (<CF>) {
$CD[$ncache_dirs++] = $1 if (/^cache_dir\s+(\S+)/);
$L1 = $1 if (/^swap_level1_dirs\s+(\d+)/);
$L2 = $1 if (/^swap_level2_dirs\s+(\d+)/);
}
close(CF);
unless ($ncache_dirs) {
$CD[$ncache_dirs++] = '/usr/local/squid/cache';
}
while (<>) {
chop;
print &storeSwapFullPath(hex($_)), "\n";
}
sub storeSwapFullPath {
local($fn) = @_;
sprintf "%s/%02X/%02X/%08X",
$CD[$fn % $ncache_dirs],
($fn / $ncache_dirs) % $L1,
($fn / $ncache_dirs) / $L1 % $L2,
$fn;
}
sub usage {
print STDERR "usage: $0 -c config\n";
print STDERR "hexadecimal file numbers are read from stdin\n";
exit 1;
}
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