# Craig Barratt <cbarratt@users.sourceforge.net>
#
# COPYRIGHT
-# Copyright (C) 2001 Craig Barratt
+# Copyright (C) 2001-2003 Craig Barratt
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#
#========================================================================
#
-# Version 2.0.0beta3, released 1 Jun 2003.
+# Version 2.1.0_CVS, released 3 Jul 2003.
#
# See http://backuppc.sourceforge.net.
#
#========================================================================
use strict;
+no utf8;
use lib "/usr/local/BackupPC/lib";
use BackupPC::Lib;
use BackupPC::FileZIO;
#
$hostIP = $client;
if ( $bpc->CheckHostAlive($hostIP) < 0 ) {
- print("Exiting because CheckHostAlive($hostIP) failed\n")
+ print(STDERR "Exiting because CheckHostAlive($hostIP) failed\n")
if ( $opts{v} );
exit(1);
}
if ( $Conf{NmbLookupCmd} eq "" ) {
- print("Exiting because \$Conf{NmbLookupCmd} is empty\n")
+ print(STDERR "Exiting because \$Conf{NmbLookupCmd} is empty\n")
if ( $opts{v} );
exit(1);
}
($client, $user) = $bpc->NetBiosInfoGet($hostIP);
if ( $client !~ /^([\w\.\s-]+)$/ ) {
- print("Exiting because NetBiosInfoGet($hostIP) returned '$client',"
- . " an invalid host name\n")
- if ( $opts{v} );
+ print(STDERR "Exiting because NetBiosInfoGet($hostIP) returned"
+ . " '$client', an invalid host name\n") if ( $opts{v} );
exit(1)
}
$Hosts = $bpc->HostInfoRead($client);
$Hosts = $bpc->HostInfoRead($client);
}
if ( !defined($Hosts->{$client}) ) {
- print("Exiting because host $client does not exist in the hosts file\n")
- if ( $opts{v} );
+ print(STDERR "Exiting because host $client does not exist in the"
+ . " hosts file\n") if ( $opts{v} );
exit(1)
}
exit(0);
}
+#
+# For archive hosts we don't bother any further
+#
+if ($Conf{XferMethod} eq "archive" ) {
+ exit(0);
+}
+
if ( !$opts{d} ) {
#
# In the non-DHCP case, make sure the host can be looked up
# Ok, NS doesn't know about it. Maybe it is a NetBios name
# instead.
#
- print("Name server doesn't know about $host; trying NetBios\n")
+ print(STDERR "Name server doesn't know about $host; trying NetBios\n")
if ( $opts{v} );
if ( !defined($hostIP = $bpc->NetBiosHostIPFind($host)) ) {
print(LOG $bpc->timeStamp, "Can't find host $host via netbios\n");
if ( $opts{d} ) {
if ( $StatusHost{activeJob} ) {
# oops, something is already running for this host
- print("Exiting because backup is already running for $client\n")
+ print(STDERR "Exiting because backup is already running for $client\n")
if ( $opts{v} );
exit(0);
}
my($needLink, @Backups, $type, $lastBkupNum, $lastFullBkupNum);
my $lastFull = 0;
my $lastIncr = 0;
+my $partialIdx = -1;
if ( $Conf{FullPeriod} == -1 && !$opts{f} && !$opts{i}
|| $Conf{FullPeriod} == -2 ) {
$lastFull = $Backups[$i]{startTime};
$lastFullBkupNum = $Backups[$i]{num};
}
- } else {
+ } elsif ( $Backups[$i]{type} eq "incr" ) {
$lastIncr = $Backups[$i]{startTime}
if ( $lastIncr < $Backups[$i]{startTime} );
+ } elsif ( $Backups[$i]{type} eq "partial" ) {
+ $partialIdx = $i;
}
}
my $sizeExistComp = 0;
my $nFilesTotal = 0;
my $sizeTotal = 0;
-my($logMsg, %stat, $xfer, $ShareNames);
+my($logMsg, %stat, $xfer, $ShareNames, $noFilesErr);
my $newFilesFH;
if ( $Conf{XferMethod} eq "tar" ) {
close(WH);
last;
}
+ binmode(TAR);
if ( !$tarPid ) {
#
# This is the tar child. Close the write end of the pipe,
open(NEW_FILES, ">", "$TopDir/pc/$client/NewFileList")
|| die("can't open $TopDir/pc/$client/NewFileList");
$newFilesFH = *NEW_FILES;
+ binmode(NEW_FILES);
}
#
# Merge the xfer status (need to accumulate counts)
#
my $newStat = $xfer->getStats;
+ if ( $newStat->{fileCnt} == 0 ) {
+ $noFilesErr ||= "No files dumped for share $shareName";
+ }
foreach my $k ( (keys(%stat), keys(%$newStat)) ) {
next if ( !defined($newStat->{$k}) );
if ( $k =~ /Cnt$/ ) {
last;
}
}
-my $lastNum = -1;
+
+#
+# If any share had zero files then consider the dump bad
+#
+if ( $stat{hostError} eq ""
+ && length($noFilesErr) && $Conf{BackupZeroFilesIsFatal} ) {
+ $stat{hostError} = $noFilesErr;
+ $stat{xferOK} = 0;
+}
#
# Do one last check to make sure it is still the machine we expect.
$XferLOG->close();
close($newFilesFH) if ( defined($newFilesFH) );
-if ( $stat{xferOK} ) {
- @Backups = $bpc->BackupInfoRead($client);
- for ( my $i = 0 ; $i < @Backups ; $i++ ) {
- $lastNum = $Backups[$i]{num} if ( $lastNum < $Backups[$i]{num} );
- }
- $lastNum++;
- $bpc->RmTreeDefer("$TopDir/trash", "$Dir/$lastNum")
- if ( -d "$Dir/$lastNum" );
- if ( !rename("$Dir/new", "$Dir/$lastNum") ) {
- print(LOG $bpc->timeStamp,
- "Rename $Dir/new -> $Dir/$lastNum failed\n");
- $stat{xferOK} = 0;
- }
- rename("$Dir/XferLOG$fileExt", "$Dir/XferLOG.$lastNum$fileExt");
- rename("$Dir/NewFileList", "$Dir/NewFileList.$lastNum");
-}
my $endTime = time();
#
$stat{hostError} = "lost network connection during backup";
}
print(LOG $bpc->timeStamp, "Dump aborted ($stat{hostError})\n");
- unlink("$Dir/timeStamp.level0");
- unlink("$Dir/SmbLOG.bad");
- unlink("$Dir/SmbLOG.bad$fileExt");
- unlink("$Dir/XferLOG.bad");
- unlink("$Dir/XferLOG.bad$fileExt");
- unlink("$Dir/NewFileList");
- rename("$Dir/XferLOG$fileExt", "$Dir/XferLOG.bad$fileExt");
- $bpc->RmTreeDefer("$TopDir/trash", "$Dir/new") if ( -d "$Dir/new" );
- print("dump failed: $stat{hostError}\n");
- print("link $clientURI\n") if ( $needLink );
- exit(1);
-}
-#
-# Add the new backup information to the backup file
-#
-@Backups = $bpc->BackupInfoRead($client);
-my $i = @Backups;
-$Backups[$i]{num} = $lastNum;
-$Backups[$i]{type} = $type;
-$Backups[$i]{startTime} = $startTime;
-$Backups[$i]{endTime} = $endTime;
-$Backups[$i]{size} = $sizeTotal;
-$Backups[$i]{nFiles} = $nFilesTotal;
-$Backups[$i]{xferErrs} = $stat{xferErrCnt} || 0;
-$Backups[$i]{xferBadFile} = $stat{xferBadFileCnt} || 0;
-$Backups[$i]{xferBadShare} = $stat{xferBadShareCnt} || 0;
-$Backups[$i]{nFilesExist} = $nFilesExist;
-$Backups[$i]{sizeExist} = $sizeExist;
-$Backups[$i]{sizeExistComp} = $sizeExistComp;
-$Backups[$i]{tarErrs} = $tarErrs;
-$Backups[$i]{compress} = $Conf{CompressLevel};
-$Backups[$i]{noFill} = $type eq "full" ? 0 : 1;
-$Backups[$i]{mangle} = 1; # name mangling always on for v1.04+
-$bpc->BackupInfoWrite($client, @Backups);
-
-unlink("$Dir/timeStamp.level0");
-
-#
-# Now remove the bad files, replacing them if possible with links to
-# earlier backups.
-#
-foreach my $file ( $xfer->getBadFiles ) {
- my $j;
- unlink("$Dir/$lastNum/$file");
- for ( $j = $i - 1 ; $j >= 0 ; $j-- ) {
- next if ( !-f "$Dir/$Backups[$j]{num}/$file" );
- if ( !link("$Dir/$Backups[$j]{num}/$file", "$Dir/$lastNum/$file") ) {
- print(LOG $bpc->timeStamp,
- "Unable to link $lastNum/$file to"
- . " $Backups[$j]{num}/$file\n");
- } else {
- print(LOG $bpc->timeStamp,
- "Bad file $lastNum/$file replaced by link to"
- . " $Backups[$j]{num}/$file\n");
- }
- last;
- }
- if ( $j < 0 ) {
- print(LOG $bpc->timeStamp,
- "Removed bad file $lastNum/$file (no older"
- . " copy to link to)\n");
- }
+ #
+ # This exits.
+ #
+ BackupFailCleanup();
}
+my $newNum = BackupSave();
+
my $otherCount = $stat{xferErrCnt} - $stat{xferBadFileCnt}
- $stat{xferBadShareCnt};
print(LOG $bpc->timeStamp,
- "$type backup $lastNum complete, $stat{fileCnt} files,"
+ "$type backup $newNum complete, $stat{fileCnt} files,"
. " $stat{byteCnt} bytes,"
. " $stat{xferErrCnt} xferErrs ($stat{xferBadFileCnt} bad files,"
. " $stat{xferBadShareCnt} bad shares, $otherCount other)\n");
sub catch_signal
{
my $signame = shift;
- my $fileExt = $Conf{CompressLevel} > 0 ? ".z" : "";
#
# Children quit quietly on ALRM
sleep(1);
kill(9, $tarPid);
}
- unlink("$Dir/timeStamp.level0");
- unlink("$Dir/NewFileList");
- unlink("$Dir/XferLOG.bad");
- unlink("$Dir/XferLOG.bad$fileExt");
- rename("$Dir/XferLOG$fileExt", "$Dir/XferLOG.bad$fileExt");
- $bpc->RmTreeDefer("$TopDir/trash", "$Dir/new") if ( -d "$Dir/new" );
if ( $signame eq "INT" ) {
- print("dump failed: aborted by user (signal=$signame)\n");
+ $stat{hostError} = "aborted by user (signal=$signame)";
} else {
- print("dump failed: received signal=$signame\n");
+ $stat{hostError} = "received signal=$signame";
+ }
+ BackupFailCleanup();
+}
+
+sub BackupFailCleanup
+{
+ my $fileExt = $Conf{CompressLevel} > 0 ? ".z" : "";
+
+ if ( $type ne "full"
+ || ($nFilesTotal == 0 && $xfer->getStats->{fileCnt} == 0) ) {
+ #
+ # No point in saving this dump; get rid of eveything.
+ #
+ unlink("$Dir/timeStamp.level0");
+ unlink("$Dir/SmbLOG.bad");
+ unlink("$Dir/SmbLOG.bad$fileExt");
+ unlink("$Dir/XferLOG.bad");
+ unlink("$Dir/XferLOG.bad$fileExt");
+ unlink("$Dir/NewFileList");
+ rename("$Dir/XferLOG$fileExt", "$Dir/XferLOG.bad$fileExt");
+ $bpc->RmTreeDefer("$TopDir/trash", "$Dir/new") if ( -d "$Dir/new" );
+ print("dump failed: $stat{hostError}\n");
+ print("link $clientURI\n") if ( $needLink );
+ exit(1);
}
+ #
+ # Ok, now we should save this as a partial dump
+ #
+ $type = "partial";
+ my $newNum = BackupSave();
+ print("dump failed: $stat{hostError}\n");
print("link $clientURI\n") if ( $needLink );
- exit(1);
+ print(LOG $bpc->timeStamp, "Saved partial dump $newNum\n");
+ exit(2);
}
#
while ( 1 ) {
$cntFull = $cntIncr = 0;
$oldestIncr = $oldestFull = 0;
- for ( $i = 0 ; $i < @Backups ; $i++ ) {
+ for ( my $i = 0 ; $i < @Backups ; $i++ ) {
if ( $Backups[$i]{type} eq "full" ) {
$firstFull = $i if ( $cntFull == 0 );
$cntFull++;
#
print(LOG $bpc->timeStamp,
"removing incr backup $Backups[$firstIncr]{num}\n");
- $bpc->RmTreeDefer("$TopDir/trash",
- "$Dir/$Backups[$firstIncr]{num}");
- unlink("$Dir/SmbLOG.$Backups[$firstIncr]{num}")
- if ( -f "$Dir/SmbLOG.$Backups[$firstIncr]{num}" );
- unlink("$Dir/SmbLOG.$Backups[$firstIncr]{num}.z")
- if ( -f "$Dir/SmbLOG.$Backups[$firstIncr]{num}.z" );
- unlink("$Dir/XferLOG.$Backups[$firstIncr]{num}")
- if ( -f "$Dir/XferLOG.$Backups[$firstIncr]{num}" );
- unlink("$Dir/XferLOG.$Backups[$firstIncr]{num}.z")
- if ( -f "$Dir/XferLOG.$Backups[$firstIncr]{num}.z" );
- splice(@Backups, $firstIncr, 1);
+ BackupRemove($client, \@Backups, $firstIncr);
} elsif ( ($cntFull > $Conf{FullKeepCnt}
|| ($cntFull > $Conf{FullKeepCntMin}
&& $oldestFull > $Conf{FullAgeMax}))
#
print(LOG $bpc->timeStamp,
"removing full backup $Backups[$firstFull]{num}\n");
- $bpc->RmTreeDefer("$TopDir/trash",
- "$Dir/$Backups[$firstFull]{num}");
- unlink("$Dir/SmbLOG.$Backups[$firstFull]{num}")
- if ( -f "$Dir/SmbLOG.$Backups[$firstFull]{num}" );
- unlink("$Dir/SmbLOG.$Backups[$firstFull]{num}.z")
- if ( -f "$Dir/SmbLOG.$Backups[$firstFull]{num}.z" );
- unlink("$Dir/XferLOG.$Backups[$firstFull]{num}")
- if ( -f "$Dir/XferLOG.$Backups[$firstFull]{num}" );
- unlink("$Dir/XferLOG.$Backups[$firstFull]{num}.z")
- if ( -f "$Dir/XferLOG.$Backups[$firstFull]{num}.z" );
- splice(@Backups, $firstFull, 1);
+ BackupRemove($client, \@Backups, $firstFull);
} else {
last;
}
$bpc->BackupInfoWrite($client, @Backups);
}
+#
+# Removes any partial backups
+#
+sub BackupPartialRemove
+{
+ my($client, $Backups) = @_;
+
+ for ( my $i = @$Backups - 1 ; $i >= 0 ; $i-- ) {
+ next if ( $Backups->[$i]{type} ne "partial" );
+ BackupRemove($client, $Backups, $i);
+ }
+}
+
+sub BackupSave
+{
+ my @Backups = $bpc->BackupInfoRead($client);
+ my $num = -1;
+
+ #
+ # Since we got a good backup we should remove any partial dumps
+ # (the new backup might also be a partial, but that's ok).
+ #
+ BackupPartialRemove($client, \@Backups);
+
+ #
+ # Number the new backup
+ #
+ for ( my $i = 0 ; $i < @Backups ; $i++ ) {
+ $num = $Backups[$i]{num} if ( $num < $Backups[$i]{num} );
+ }
+ $num++;
+ $bpc->RmTreeDefer("$TopDir/trash", "$Dir/$num")
+ if ( -d "$Dir/$num" );
+ if ( !rename("$Dir/new", "$Dir/$num") ) {
+ print(LOG $bpc->timeStamp,
+ "Rename $Dir/new -> $Dir/$num failed\n");
+ $stat{xferOK} = 0;
+ }
+ rename("$Dir/XferLOG$fileExt", "$Dir/XferLOG.$num$fileExt");
+ rename("$Dir/NewFileList", "$Dir/NewFileList.$num");
+
+ #
+ # Add the new backup information to the backup file
+ #
+ my $i = @Backups;
+ $Backups[$i]{num} = $num;
+ $Backups[$i]{type} = $type;
+ $Backups[$i]{startTime} = $startTime;
+ $Backups[$i]{endTime} = $endTime;
+ $Backups[$i]{size} = $sizeTotal;
+ $Backups[$i]{nFiles} = $nFilesTotal;
+ $Backups[$i]{xferErrs} = $stat{xferErrCnt} || 0;
+ $Backups[$i]{xferBadFile} = $stat{xferBadFileCnt} || 0;
+ $Backups[$i]{xferBadShare} = $stat{xferBadShareCnt} || 0;
+ $Backups[$i]{nFilesExist} = $nFilesExist;
+ $Backups[$i]{sizeExist} = $sizeExist;
+ $Backups[$i]{sizeExistComp} = $sizeExistComp;
+ $Backups[$i]{tarErrs} = $tarErrs;
+ $Backups[$i]{compress} = $Conf{CompressLevel};
+ $Backups[$i]{noFill} = $type eq "incr" ? 1 : 0;
+ $Backups[$i]{level} = $type eq "incr" ? 1 : 0;
+ $Backups[$i]{mangle} = 1; # name mangling always on for v1.04+
+ $bpc->BackupInfoWrite($client, @Backups);
+
+ unlink("$Dir/timeStamp.level0");
+
+ #
+ # Now remove the bad files, replacing them if possible with links to
+ # earlier backups.
+ #
+ foreach my $f ( $xfer->getBadFiles ) {
+ my $j;
+ my $shareM = $bpc->fileNameEltMangle($f->{share});
+ my $fileM = $bpc->fileNameMangle($f->{file});
+ unlink("$Dir/$num/$shareM/$fileM");
+ for ( $j = $i - 1 ; $j >= 0 ; $j-- ) {
+ my $file;
+ if ( $Backups[$j]{mangle} ) {
+ $file = "$shareM/$fileM";
+ } else {
+ $file = "$f->{share}/$f->{file}";
+ }
+ next if ( !-f "$Dir/$Backups[$j]{num}/$file" );
+ if ( !link("$Dir/$Backups[$j]{num}/$file",
+ "$Dir/$num/$shareM/$fileM") ) {
+ print(LOG $bpc->timeStamp,
+ "Unable to link $num/$shareM/$fileM to"
+ . " $Backups[$j]{num}/$file\n");
+ } else {
+ print(LOG $bpc->timeStamp,
+ "Bad file $num/$shareM/$fileM replaced by link to"
+ . " $Backups[$j]{num}/$file\n");
+ }
+ last;
+ }
+ if ( $j < 0 ) {
+ print(LOG $bpc->timeStamp,
+ "Removed bad file $num/$shareM/$fileM (no older"
+ . " copy to link to)\n");
+ }
+ }
+ return $num;
+}
+
+#
+# Removes a specific backup
+#
+sub BackupRemove
+{
+ my($client, $Backups, $idx) = @_;
+ my($Dir) = "$TopDir/pc/$client";
+
+ $bpc->RmTreeDefer("$TopDir/trash",
+ "$Dir/$Backups->[$idx]{num}");
+ unlink("$Dir/SmbLOG.$Backups->[$idx]{num}")
+ if ( -f "$Dir/SmbLOG.$Backups->[$idx]{num}" );
+ unlink("$Dir/SmbLOG.$Backups->[$idx]{num}.z")
+ if ( -f "$Dir/SmbLOG.$Backups->[$idx]{num}.z" );
+ unlink("$Dir/XferLOG.$Backups->[$idx]{num}")
+ if ( -f "$Dir/XferLOG.$Backups->[$idx]{num}" );
+ unlink("$Dir/XferLOG.$Backups->[$idx]{num}.z")
+ if ( -f "$Dir/XferLOG.$Backups->[$idx]{num}.z" );
+ splice(@{$Backups}, $idx, 1);
+}
+
sub CorrectHostCheck
{
my($hostIP, $host) = @_;
LOG => *LOG,
XferLOG => $XferLOG,
stat => \%stat,
- xferOK => $stat{xferOK},
+ xferOK => $stat{xferOK} || 0,
+ hostError => $stat{hostError},
type => $type,
};
my $cmd = $bpc->cmdVarSubstitute($Conf{$type}, $vars);
projects / BackupPC.git / blobdiff