diff options
Diffstat (limited to 'Echolot/Storage/File.pm')
| -rw-r--r-- | Echolot/Storage/File.pm | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/Echolot/Storage/File.pm b/Echolot/Storage/File.pm index c71e4e8..b2b23d4 100644 --- a/Echolot/Storage/File.pm +++ b/Echolot/Storage/File.pm @@ -1,7 +1,7 @@ package Echolot::Storage::File; # (c) 2002 Peter Palfrader <peter@palfrader.org> -# $Id: File.pm,v 1.40 2002/09/05 15:41:38 weasel Exp $ +# $Id: File.pm,v 1.41 2002/09/21 03:24:41 weasel Exp $ # =pod @@ -129,6 +129,7 @@ sub metadata_open($) { flock($self->{'METADATA_FH'}, LOCK_EX) or cluck("Cannot get exclusive lock on $filename: $!"), return 0; + return 1; }; sub metadata_close($) { @@ -140,6 +141,7 @@ sub metadata_close($) { close($self->{'METADATA_FH'}) or cluck("Error when closing metadata file: $!"), return 0; + return 1; }; @@ -172,7 +174,7 @@ sub metadata_read($) { return 0; defined($self->{'METADATA'}->{'version'}) or - cluck("Stored data lacks version header"), + confess("Stored data lacks version header"), return 0; ($self->{'METADATA'}->{'version'} == ($METADATA_VERSION)) or cluck("Metadata version mismatch ($self->{'METADATA'}->{'version'} vs. $METADATA_VERSION)"), @@ -209,6 +211,41 @@ sub metadata_write($) { return 1; }; +sub metadata_backup($) { + my ($self) = @_; + + my $filename = $self->{'datadir'} .'/'. $CONSTANTS->{'metadatafile'}; + for (my $i=Echolot::Config::get()->{'metadata_backup_count'} - 1; $i>=0; $i--) { + rename ($filename.'.'.($i) , $filename.'.'.($i+1)); + rename ($filename.'.'.($i).'.gz', $filename.'.'.($i+1).'.gz'); + }; + $filename .= '.1'; + + + my $data = Data::Dumper->Dump( [ $self->{'METADATA'} ], [ 'METADATA' ] ); + my $fh = new IO::Handle; + open ($fh, '>'.$filename) or + cluck("Cannot open $filename for writing: $!"), + return 0; + print($fh "# vim:set syntax=perl:\n") or + cluck("Error when writing to metadata file: $!"), + return 0; + print($fh $data) or + cluck("Error when writing to metadata file: $!"), + return 0; + $fh->flush(); + close($fh) or + cluck("Error when closing metadata file: $!"), + return 0; + + if (Echolot::Config::get()->{'gzip'}) { + system(Echolot::Config::get()->{'gzip'}, $filename) and + cluck("Gziping $filename faild."), + return 0; + }; + + return 1; +}; |