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|
#! %PERL% -w
# -*- Perl -*-
#
# $Id: gcnmz.in,v 1.8.8.5 2006-10-14 14:16:27 opengl2772 Exp $
#
# gcnmz.pl - by furukawa@tcp-ip.or.jp
#
my $PKGDATADIR = $ENV{'pkgdatadir'} || "@pkgdatadir@";
push(@INC, $PKGDATADIR . "/pl");
require 'nmzidx.pl';
require 'util.pl';
use IO::File;
STDOUT->autoflush(1);
STDERR->autoflush(1);
my $tim = time();
my $tintvl = 10;
my $verbose = 0;
my $backup = 1;
while (@ARGV && $ARGV[0] =~ s/^\-//){
my $argv = shift;
&usage, exit if $argv eq '-help';
$backup = 0, next if $argv eq '-no-backup';
$verbose = 1, next if $argv eq '-verbose';
$verbose = -1, next if $argv eq '-quiet';
while ($argv =~ s/^(.)//){
$backup = 0 if $1 eq 'b';
$verbose = 1 if $1 eq 'v';
$verbose = -1 if $1 eq 'q';
}
}
if (@ARGV){
for my $argv (@ARGV){
$argv =~ s/NMZ$// unless -d $argv;
$argv = '.' if $argv eq '';
&gcnmz($argv, $backup) if -d $argv;
}
}else{
&usage;
}
sub eprint{
print STDERR $_[0] if $verbose >= 0;
$tim = time();
}
sub veprint{
print STDERR $_[0] if $verbose > 0;
$tim = time();
}
sub gcnmz{
my $dir = shift;
my $backup = shift;
my %table = ();
my $nmzi = new nmzidx($dir);
defined($nmzi) or die("NMZ.lock2 found. Maybe this index is being updated by another process now.");
my $nmzfi = $nmzi->open_flist;
unless (defined $nmzfi->{'t'}) {
$nmzfi->close;
$nmzi->close;
return;
}
my $gcflag = 0;
my $nmzo = new nmzidx($dir, 'w');
my $file_num = 0;
my %list;
my $nmzfo = $nmzo->open_flist;
my $file_total = $nmzfi->{'size'};
&eprint("processing NMZ.{t,r,field}\n");
while (defined $nmzfi->read(\%list)){
if ($list{'t'} == -1){
&eprint("$file_num/$file_total ($list{'r'}) deleted\n");
$gcflag = 1;
}else{
$table{$file_num} = $nmzfo->{'offset'};
$nmzfo->write(\%list);
&veprint("$file_num/$file_total\n") if time() - $tim >= $tintvl;
}
++$file_num;
}
$nmzfi->close;
$nmzfo->close;
if ($gcflag){
my $word;
my %list_i;
my $nmzwi = $nmzi->open_word;
my $nmzwo = $nmzo->open_word;
my $word_total = $nmzwi->{'size'};
my $word_num = 0;
&eprint("processing NMZ.{i,w}\n");
while (defined $nmzwi->read(\$word, \%list_i)){
my %list_o;
for my $key (keys %list_i){
if (defined $table{$key}){
$list_o{$table{$key}} = $list_i{$key};
}
}
if (keys %list_o){
$nmzwo->write($word, \%list_o);
&veprint("$word_num/$word_total\n") if time() - $tim >= $tintvl;
}else{
&eprint("$word_num/$word_total ($word) deleted\n");
}
$word_num++;
}
$nmzwi->close;
$nmzwo->close;
my $nmzpi = $nmzi->open_phrase;
my $nmzpo = $nmzo->open_phrase;
my $phrase_total = $nmzpi->{'size'};
&eprint("processing NMZ.p\n");
for (my $x = 0; $x < 0x10000; $x++){
my @list_i;
my @list_o;
$nmzpi->read(\@list_i);
for my $key (@list_i){
if (defined $table{$key}){
push(@list_o, $table{$key});
}
}
if (@list_i && !@list_o){
&eprint("$x/$phrase_total deleted\n");
}elsif (time() - $tim >= $tintvl){
&veprint("$x/$phrase_total\n");
}
$nmzpo->write(\@list_o);
}
$nmzpi->close;
$nmzpo->close;
$nmzo->write_status($nmzi);
$nmzo->replace_db($backup);
if (my $log = $nmzo->log_open("[Garbage Collection]")){
$log->printf("%-20s %s\n", "Collected Entry:", util::commas($nmzi->{'flist'}->{'offset'} - $nmzo->{'flist'}->{'offset'}));
$log->printf("%-20s %s\n", "Total Files:", util::commas($nmzo->{'flist'}->{'offset'}));
$log->printf("%-20s %s\n", "Total Keywords:", util::commas($nmzo->{'word'}->{'offset'}));
$nmzo->log_close;
}
}else{
$nmzo->remove_tmpdb;
}
$nmzi->close;
}
sub usage{
print
("Usage: gcnmz [options] <target>...\n" .
" --help show this help and exit.\n" .
" -b, --no-backup do not backup original file.\n" .
" -v, --verbose verbose mode.\n" .
" -q, --quiet quiet mode.\n"
);
}
|
