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#!/usr/bin/perl
#
#
# Sample script to clean old data.
# Run this script each hour to cleanup old files to make room for
# new data. When max_size_spool is reached the oldest files are
# deleted down to high_water.
#
# Copyright (c) 2004, SWITCH - Teleinformatikdienste fuer Lehre und Forschung
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of SWITCH nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# $Author: peter $
#
# $Id: CreateSubHierarchy.pl 77 2006-06-14 14:52:25Z peter $
#
# $LastChangedRevision: 77 $
#
use strict;
use warnings;
use POSIX qw(strftime);
use Time::Local;
use Getopt::Std;
our(
$opt_l, # Data directory
$opt_S, # Sub hierarchy format. Correspondes to -S to nfcapd. See nfcapd(1)
);
getopts('l:S:');
my $subdir_format;
my @subdir_formats = (
"",
"%Y/%m/%d",
"%Y/%m/%d/%H",
"%Y/%W/%u",
"%Y/%W/%u/%H",
"%Y/%j",
"%Y/%j/%H",
"%F",
"%F/%H"
);
sub usage {
print "$0 [options]\n",
" -l datadir Data directory\n",
" -S <num> Sub hierarchy format. Correspondes to -S to nfcapd. See nfcapd(1)\n",
"\n";
exit(0);
}
sub ISO2UNIX {
my $isotime = shift;
$isotime =~ s/\-//g; # allow '-' to structur time string
# 2004 02 13 12 45 /
my $sec = 0;
my ( $year, $mon, $mday, $hour, $min ) = $isotime =~ /(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})/;
$mon--;
# round down to nearest 5 min slot
my $diff = $min % 5;
if ( $diff ) {
$min -= $diff;
}
my $unixtime = Time::Local::timelocal($sec,$min,$hour,$mday,$mon,$year);
return $unixtime;
} # End of ISO2UNIX
if ( !defined $opt_l || !defined $opt_S ) {
usage();
}
my $data_dir = $opt_l;
if ( !defined $subdir_formats[$opt_S] ) {
die "Unknown format number $opt_S";
}
$subdir_format = $subdir_formats[$opt_S];
opendir DIR, "$data_dir" || die "Can't open current directory: $!\n";
$| = 1;
print "Reorganizing data files ... ";
while ( my $entry = readdir DIR ) {
next if $entry =~ /^\./;
next unless -f "$data_dir/$entry";
next unless $entry =~ /nfcapd\.(\d{12})$/;
my $date = $1;
my $unix_time = ISO2UNIX($date);
my $sub_path = strftime $subdir_format, localtime($unix_time);
if ( !-d "$data_dir/$sub_path" ) {
print "Need to create '$data_dir/$sub_path'\n";
my @dirlist = split '\/', $sub_path;
my $all_dirs = undef;
foreach my $dir ( @dirlist ) {
$all_dirs = defined $all_dirs ? "$all_dirs/$dir" : $dir;
if ( !-d "$data_dir/$all_dirs" ) {
mkdir "$data_dir/$all_dirs" || die "Can't create subdir '$data_dir/$all_dirs'\n";
}
}
}
rename "$data_dir/$entry", "$data_dir/$sub_path/$entry" || die "Can't move file: $!\n";
}
print "done.\n";
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