r8517@llin: dpavlin | 2005-10-14 16:02:43 +0200

[BackupPC.git] / bin / BackupPC_incPartsUpdate

diff --git a/bin/BackupPC_incPartsUpdate b/bin/BackupPC_incPartsUpdate
index b6030d3..2c1720a 100755 (executable)
--- a/bin/BackupPC_incPartsUpdate
+++ b/bin/BackupPC_incPartsUpdate
@@ -8,10 +8,10 @@ use BackupPC::Lib;
 use BackupPC::View;
 use Data::Dumper;
 use Time::HiRes qw/time/;
-use File::Pid;
 use POSIX qw/strftime/;
 use BackupPC::SearchLib;
 use Cwd qw/abs_path/;
+use File::Which;
 
 my $path = abs_path($0);
 $path =~ s#/[^/]+$#/#;
@@ -19,7 +19,13 @@ my $tarIncCreate = $path .= 'BackupPC_tarIncCreate';
 
 die "can't find $tarIncCreate: $!\n" unless (-x $tarIncCreate);
 
-my $debug = 1;
+my $bin;
+foreach my $c (qw/gzip split/) {
+       $bin->{$c} = which($c) || die "$0 needs $c, install it\n";
+}
+
+
+my $debug = 0;
 $|=1;
 
 my $start_t = time();
@@ -64,38 +70,85 @@ select
        backups.id as backup_id,
        hosts.name as host,
        shares.name as share,
-       backups.num as num
+       backups.num as num,
+       inc_size,
+       parts
 from backups
        join shares on backups.hostid = shares.hostid
                and shares.id = backups.shareid
        join hosts on shares.hostid = hosts.id
-where inc_size < 0 and not inc_deleted
+where not inc_deleted
 order by backups.date
 
 } );
 
 $sth->execute();
 
-my $sth_inc_size = $dbh->prepare(qq{ update backups set inc_size = ? where id = ? });
+my $sth_inc_size = $dbh->prepare(qq{ update backups set inc_size = ?, parts = ? where id = ? });
+my $sth_inc_deleted = $dbh->prepare(qq{ update backups set inc_deleted = ? where id = ? });
 
 %BackupPC::SearchLib::Conf = %Conf;
 
 while (my $row = $sth->fetchrow_hashref) {
        my $tar_file = BackupPC::SearchLib::getGzipName($row->{'host'}, $row->{'share'}, $row->{'num'});
-       print curr_time, sprintf(" %s:%s %-3d ", $row->{'host'}, $row->{'share'}, $row->{'num'}), " -> $tar_file ";
+
+       # this will return -1 if file doesn't exist
+       my $size = BackupPC::SearchLib::get_tgz_size_by_name($tar_file);
+
+       print curr_time, " ", $row->{'host'}, ":", $row->{'share'}, " #", $row->{'num'}, " -> $tar_file";
 
        my $t = time();
 
-       my $cmd = qq{$tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} | gzip -9 > $tar_dir/$tar_file};
-       print STDERR "## $cmd\n" if ($debug);
+       # re-create archive?
+       if ($row->{'inc_size'} == -1 || $size == -1 || $row->{'inc_size'} != $size) {
+               my $cmd = qq{rm -Rf $tar_dir/$tar_file && $tarIncCreate -h "$row->{'host'}" -s "$row->{'share'}" -n $row->{'num'} | $bin->{'gzip'} $Conf{GzipLevel} > $tar_dir/$tar_file};
+               print STDERR "## $cmd\n" if ($debug);
+
+               system($cmd) == 0 or die "failed: $?";
+       
+               $size = (stat( "$tar_dir/$tar_file" ))[7];
+       }
+
+       if ($size > 45) {
+
+               my $max_size = $Conf{'MaxArchiveSize'} || die "problem with MaxArchieSize parametar";
+               $max_size *= 1024;      # convert to bytes
+
+               my $parts = int( ($size + $max_size - 1) / $max_size );
+
+               if (-d "$tar_dir/$tar_file" && $parts != $row->{'parts'}) {
+                       print " join";
+
+                       my $in = my $out = "$tar_dir/$tar_file";
+                       $out .= '.tmp';
+
+                       # FIXME I should really order parts manually!
+                       system("cat $in/part* > $out && rm -Rf $in && mv $out $in") == 0 or die "can't join $in: $?";
+               }
+
+               if ($size > $max_size && ! -d "$tar_dir/$tar_file") {
+                       print " split/$parts";
+                       my $in = my $out = "$tar_dir/$tar_file";
+                       $out .= '.tmp';
+                       rename $in, $out || die "can't rename $in: $!";
+                       mkdir $in || die "can't mkdir $in: $!";
 
-       system($cmd) == 0 or die "failed: $?";
+                       my $suffix_len = length("$parts");
+                       system("$bin->{'split'} -d -b $max_size -a $suffix_len $out $in/part") == 0 or die "can't split $out: $?";
+                       unlink $out || die "can't unlink $out: $!";
+               }
 
-       my $size = (stat( "$tar_dir/$tar_file" ))[7];
+               $sth_inc_size->execute($size, $parts, $row->{'backup_id'});
+               $sth_inc_deleted->execute(0, $row->{'backup_id'});
 
-       print fmt_time(time() - $t)," $size bytes\n";
+               printf(" %1.2f MB", ($size / 1024 / 1024));
 
-       $sth_inc_size->execute($size, $row->{'backup_id'});
+       } else {
+               $sth_inc_deleted->execute(1, $row->{'backup_id'});
+               unlink "$tar_dir/$tar_file" || die "can't delete $tar_dir/$tar_file: $!\n";
+               print " EMPTY";
+       }
+       print ", dur: ",fmt_time(time() - $t), "\n";
 
        $dbh->commit;