# Craig Barratt <cbarratt@users.sourceforge.net>
#
# COPYRIGHT
-# Copyright (C) 2001-2003 Craig Barratt
+# Copyright (C) 2001-2007 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 3.0.0beta2, released 11 Nov 2006.
+# Version 3.1.0, released 25 Nov 2007.
#
# See http://backuppc.sourceforge.net.
#
use BackupPC::Lib;
use BackupPC::FileZIO;
use BackupPC::Storage;
-use BackupPC::Xfer::Smb;
-use BackupPC::Xfer::Tar;
-use BackupPC::Xfer::Rsync;
-use BackupPC::Xfer::BackupPCd;
+use BackupPC::Xfer;
use Encode;
use Socket;
use File::Path;
my $lastIncrTime = 0;
my $partialIdx = -1;
my $partialNum;
+my $partialFileCnt;
my $lastBkupNum;
my $lastPartial = 0;
# as a starting point for an incremental.
#
@Backups = $bpc->BackupInfoRead($client);
-## @Backups = sort( { $a->{startTime} <=> $b->{startTime} }, @Backups);
for ( my $i = 0 ; $i < @Backups ; $i++ ) {
$needLink = 1 if ( $Backups[$i]{nFilesNew} eq ""
|| -f "$Dir/NewFileList.$Backups[$i]{num}" );
$lastIncrTime = $Backups[$i]{startTime}
if ( $lastIncrTime < $Backups[$i]{startTime} );
} elsif ( $Backups[$i]{type} eq "partial" ) {
- $partialIdx = $i;
- $lastPartial = $Backups[$i]{startTime};
- $partialNum = $Backups[$i]{num};
+ $partialIdx = $i;
+ $lastPartial = $Backups[$i]{startTime};
+ $partialNum = $Backups[$i]{num};
+ $partialFileCnt = $Backups[$i]{nFiles};
}
}
NothingToDo($needLink);
}
+#
+# Create top-level directories if they don't exist
+#
+foreach my $dir ( (
+ "$Conf{TopDir}",
+ "$Conf{TopDir}/pool",
+ "$Conf{TopDir}/cpool",
+ "$Conf{TopDir}/pc",
+ "$Conf{TopDir}/trash",
+ ) ) {
+ next if ( -d $dir );
+ mkpath($dir, 0, 0750);
+ if ( !-d $dir ) {
+ print("Failed to create $dir\n");
+ printf(LOG "%sFailed to create directory %s\n", $bpc->timeStamp, $dir);
+ print("link $clientURI\n") if ( $needLink );
+ exit(1);
+ } else {
+ printf(LOG "%sCreated directory %s\n", $bpc->timeStamp, $dir);
+ }
+}
+
+if ( !$bpc->HardlinkTest($Dir, "$TopDir/cpool") ) {
+ print(LOG $bpc->timeStamp, "Can't create a test hardlink between a file"
+ . " in $Dir and $TopDir/cpool. Either these are different"
+ . " file systems, or this file system doesn't support hardlinks,"
+ . " or these directories don't exist, or there is a permissions"
+ . " problem, or the file system is out of inodes or full. Use"
+ . " df, df -i, and ls -ld to check each of these possibilities."
+ . " Quitting...\n");
+ print("test hardlink between $Dir and $TopDir/cpool failed\n");
+ print("link $clientURI\n") if ( $needLink );
+ exit(1);
+}
+
#
# Check if $host is alive
#
my($logMsg, %stat, $xfer, $ShareNames, $noFilesErr);
my $newFilesFH;
-if ( $Conf{XferMethod} eq "tar" ) {
- $ShareNames = $Conf{TarShareName};
-} elsif ( $Conf{XferMethod} eq "rsync" || $Conf{XferMethod} eq "rsyncd" ) {
- $ShareNames = $Conf{RsyncShareName};
-} elsif ( $Conf{XferMethod} eq "backuppcd" ) {
- $ShareNames = $Conf{BackupPCdShareName};
-} else {
- $ShareNames = $Conf{SmbShareName};
-}
-
-$ShareNames = [ $ShareNames ] unless ref($ShareNames) eq "ARRAY";
+$ShareNames = BackupPC::Xfer::getShareNames(\%Conf);
#
# Run an optional pre-dump command
exit(1);
}
- if ( $Conf{XferMethod} eq "tar" ) {
- #
- # Use tar (eg: tar/ssh) as the transport program.
- #
- $xfer = BackupPC::Xfer::Tar->new($bpc);
- } elsif ( $Conf{XferMethod} eq "rsync" || $Conf{XferMethod} eq "rsyncd" ) {
- #
- # Use rsync as the transport program.
- #
- if ( !defined($xfer = BackupPC::Xfer::Rsync->new($bpc)) ) {
- my $errStr = BackupPC::Xfer::Rsync::errStr;
- print(LOG $bpc->timeStamp, "dump failed: $errStr\n");
- print("dump failed: $errStr\n");
- UserCommandRun("DumpPostShareCmd", $shareName) if ( $NeedPostCmd );
- UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
- exit(1);
- }
- } elsif ( $Conf{XferMethod} eq "backuppcd" ) {
- #
- # Use backuppcd as the transport program.
- #
- if ( !defined($xfer = BackupPC::Xfer::BackupPCd->new($bpc)) ) {
- my $errStr = BackupPC::Xfer::BackupPCd::errStr;
- print(LOG $bpc->timeStamp, "dump failed: $errStr\n");
- print("dump failed: $errStr\n");
- UserCommandRun("DumpPostShareCmd", $shareName) if ( $NeedPostCmd );
- UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
- exit(1);
- }
- } else {
- #
- # Default is to use smbclient (smb) as the transport program.
- #
- $xfer = BackupPC::Xfer::Smb->new($bpc);
+ $xfer = BackupPC::Xfer::create($Conf{XferMethod}, $bpc);
+ if ( !defined($xfer) ) {
+ my $errStr = BackupPC::Xfer::errStr();
+ print(LOG $bpc->timeStamp, "dump failed: $errStr\n");
+ print("dump failed: $errStr\n");
+ UserCommandRun("DumpPostShareCmd", $shareName) if ( $NeedPostCmd );
+ UserCommandRun("DumpPostUserCmd") if ( $NeedPostCmd );
+ exit(1);
}
my $useTar = $xfer->useTar;
# we use a select.
#
my($FDread, $tarOut, $mesg);
- vec($FDread, fileno(TAR), 1) = 1 if ( $useTar );
+ vec($FDread, fileno(TAR), 1) = 1;
$xfer->setSelectMask(\$FDread);
SCAN: while ( 1 ) {
my $ein = $FDread;
last if ( $FDread =~ /^\0*$/ );
select(my $rout = $FDread, undef, $ein, undef);
- if ( $useTar ) {
- if ( vec($rout, fileno(TAR), 1) ) {
- if ( sysread(TAR, $mesg, 8192) <= 0 ) {
- vec($FDread, fileno(TAR), 1) = 0;
- close(TAR);
- } else {
- $tarOut .= $mesg;
- }
- }
- while ( $tarOut =~ /(.*?)[\n\r]+(.*)/s ) {
- $_ = $1;
- $tarOut = $2;
- if ( /^ / ) {
- $XferLOG->write(\"$_\n");
- } else {
- $XferLOG->write(\"tarExtract: $_\n");
- }
- if ( /^BackupPC_tarExtact aborting \((.*)\)/ ) {
- $stat{hostError} = $1;
- }
- if ( /^Done: (\d+) errors, (\d+) filesExist, (\d+) sizeExist, (\d+) sizeExistComp, (\d+) filesTotal, (\d+) sizeTotal/ ) {
- $tarErrs += $1;
- $nFilesExist += $2;
- $sizeExist += $3;
- $sizeExistComp += $4;
- $nFilesTotal += $5;
- $sizeTotal += $6;
- }
- }
- }
+ if ( vec($rout, fileno(TAR), 1) ) {
+ if ( sysread(TAR, $mesg, 8192) <= 0 ) {
+ vec($FDread, fileno(TAR), 1) = 0;
+ close(TAR);
+ } else {
+ $tarOut .= $mesg;
+ }
+ }
+ while ( $tarOut =~ /(.*?)[\n\r]+(.*)/s ) {
+ $_ = $1;
+ $tarOut = $2;
+ if ( /^ / ) {
+ $XferLOG->write(\"$_\n");
+ } else {
+ $XferLOG->write(\"tarExtract: $_\n");
+ }
+ if ( /^BackupPC_tarExtact aborting \((.*)\)/ ) {
+ $stat{hostError} = $1;
+ }
+ if ( /^Done: (\d+) errors, (\d+) filesExist, (\d+) sizeExist, (\d+) sizeExistComp, (\d+) filesTotal, (\d+) sizeTotal/ ) {
+ $tarErrs += $1;
+ $nFilesExist += $2;
+ $sizeExist += $3;
+ $sizeExistComp += $4;
+ $nFilesTotal += $5;
+ $sizeTotal += $6;
+ }
+ }
last if ( !$xfer->readOutput(\$FDread, $rout) );
while ( my $str = $xfer->logMsgGet ) {
print(LOG $bpc->timeStamp, "xfer: $str\n");
$stat{xferOK} = 0 if ( $stat{hostError} || $stat{hostAbort} );
if ( !$stat{xferOK} ) {
#
- # kill off the tranfer program, first nicely then forcefully
+ # kill off the transfer program, first nicely then forcefully
#
if ( @xferPid ) {
kill($bpc->sigName2num("INT"), @xferPid);
$stat{xferOK} = 0 if ( $Abort );
+#
+# If there is no "new" directory then the backup is bad
+#
+if ( $stat{xferOK} && !-d "$Dir/new" ) {
+ $stat{hostError} = "No backup directory $Dir/new"
+ if ( $stat{hostError} eq "" );
+ $stat{xferOK} = 0;
+}
+
#
# Do one last check to make sure it is still the machine we expect.
#
my $otherCount = $stat{xferErrCnt} - $stat{xferBadFileCnt}
- $stat{xferBadShareCnt};
+$stat{fileCnt} ||= 0;
+$stat{byteCnt} ||= 0;
+$stat{xferErrCnt} ||= 0;
+$stat{xferBadFileCnt} ||= 0;
+$stat{xferBadShareCnt} ||= 0;
print(LOG $bpc->timeStamp,
"$type backup $newNum complete, $stat{fileCnt} files,"
. " $stat{byteCnt} bytes,"
"Aborting backup up after signal $sigName\n");
#
- # Tell xfer to abort
+ # Tell xfer to abort, but only if we actually started one
#
- $xfer->abort($reason);
+ $xfer->abort($reason) if ( defined($xfer) );
#
# Send ALRMs to BackupPC_tarExtract if we are using it
#
# We keep this backup if it is a full and we actually backed
- # up some files.
+ # up some files. If the prior backup was a partial too, we
+ # only keep this backup if it has more files than the previous
+ # partial.
#
if ( $type eq "full" ) {
if ( $nFilesTotal == 0 && $xfer->getStats->{fileCnt} == 0 ) {
# directory just in case.
#
find(\&CheckForNewFiles, "$Dir/new");
- $keepPartial = 1 if ( $nFilesTotal );
- } else {
- #
- # Xfer reported some files
- #
+ }
+ my $str;
+ if ( $nFilesTotal > $partialFileCnt
+ || $xfer->getStats->{fileCnt} > $partialFileCnt ) {
+ #
+ # If the last backup wasn't a partial then
+ # $partialFileCnt is undefined, so the above
+ # test is simply $nFilesTotal > 0
+ #
$keepPartial = 1;
- }
+ if ( $partialFileCnt ) {
+ $str = "Saving this as a partial backup\n";
+ } else {
+ $str = sprintf("Saving this as a partial backup, replacing the"
+ . " prior one (got %d and %d files versus %d)\n",
+ $nFilesTotal, $xfer->getStats->{fileCnt}, $partialFileCnt);
+ }
+ } else {
+ $str = sprintf("Not saving this as a partial backup since it has fewer"
+ . " files than the prior one (got %d and %d files versus %d)\n",
+ $nFilesTotal, $xfer->getStats->{fileCnt}, $partialFileCnt);
+ }
+ $XferLOG->write(\$str);
}
#
# (the new backup might also be a partial, but that's ok).
#
BackupPartialRemove($client, \@Backups);
+ $needLink = 1 if ( -f "$Dir/NewFileList" );
#
# Number the new backup
if ( !rename("$Dir/new", "$Dir/$num") ) {
print(LOG $bpc->timeStamp, "Rename $Dir/new -> $Dir/$num failed\n");
$stat{xferOK} = 0;
+ return;
}
- $needLink = 1 if ( -f "$Dir/NewFileList" );
#
# Add the new backup information to the backup file
$Backups[$i]{mangle} = 1; # name mangling always on for v1.04+
$Backups[$i]{xferMethod} = $Conf{XferMethod};
$Backups[$i]{charset} = $Conf{ClientCharset};
+ $Backups[$i]{version} = $bpc->Version();
#
# Save the main backups file
#
projects / BackupPC.git / blobdiff