X-Git-Url: http://git.rot13.org/?p=BackupPC.git;a=blobdiff_plain;f=lib%2FBackupPC%2FXfer%2FTar.pm;h=f6f0be1deb3f07d90284213c75b0c5971cda7812;hp=872338c72183efabd583c5588ff9deef0f4ce039;hb=fda25dc88a63ccac1c80efa2e4994bf0725ca9b7;hpb=9175f9157f0d54b50ebf11d2036c20f50ffc6d9d

diff --git a/lib/BackupPC/Xfer/Tar.pm b/lib/BackupPC/Xfer/Tar.pm
index 872338c..f6f0be1 100644
--- a/lib/BackupPC/Xfer/Tar.pm
+++ b/lib/BackupPC/Xfer/Tar.pm
@@ -11,7 +11,7 @@
 #   Craig Barratt  <cbarratt@users.sourceforge.net>
 #
 # COPYRIGHT
-#   Copyright (C) 2001  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
@@ -29,7 +29,7 @@
 #
 #========================================================================
 #
-# Version 2.0.0_CVS, released 3 Feb 2003.
+# Version 3.1.0, released 25 Nov 2007.
 #
 # See http://backuppc.sourceforge.net.
 #
@@ -38,6 +38,7 @@
 package BackupPC::Xfer::Tar;
 
 use strict;
+use Encode qw/from_to encode/;
 
 sub new
 {
@@ -92,34 +93,26 @@ sub start
     } else {
 	#
 	# Turn $conf->{BackupFilesOnly} and $conf->{BackupFilesExclude}
-	# into a hash of arrays of files
+	# into a hash of arrays of files, and $conf->{TarShareName}
+	# to an array
 	#
-	$conf->{TarShareName} = [ $conf->{TarShareName} ]
-			unless ref($conf->{TarShareName}) eq "ARRAY";
-	foreach my $param qw(BackupFilesOnly BackupFilesExclude) {
-	    next if ( !defined($conf->{$param}) );
-	    if ( ref($conf->{$param}) eq "ARRAY" ) {
-		$conf->{$param} = {
-			$conf->{TarShareName}[0] => $conf->{$param}
-		};
-	    } elsif ( ref($conf->{$param}) eq "HASH" ) {
-		# do nothing
-	    } else {
-		$conf->{$param} = {
-			$conf->{TarShareName}[0] => [ $conf->{$param} ]
-		};
-	    }
-	}
+	$bpc->backupFileConfFix($conf, "TarShareName");
+
         if ( defined($conf->{BackupFilesExclude}{$t->{shareName}}) ) {
             foreach my $file ( @{$conf->{BackupFilesExclude}{$t->{shareName}}} )
             {
-		$file = ".$file" if ( $file =~ /^\// );
+                $file = "./$2" if ( $file =~ m{^(\./+|/+)(.*)}s );
+                $file = encode($conf->{ClientCharset}, $file)
+                            if ( $conf->{ClientCharset} ne "" );
                 push(@fileList, "--exclude=$file");
             }
         }
         if ( defined($conf->{BackupFilesOnly}{$t->{shareName}}) ) {
             foreach my $file ( @{$conf->{BackupFilesOnly}{$t->{shareName}}} ) {
-		$file = ".$file" if ( $file =~ /^\// );
+                $file = $2 if ( $file =~ m{^(\./+|/+)(.*)}s );
+		$file = "./$file";
+                $file = encode($conf->{ClientCharset}, $file)
+                            if ( $conf->{ClientCharset} ne "" );
                 push(@fileList, $file);
             }
         } else {
@@ -135,9 +128,10 @@ sub start
 	    $args = $conf->{TarFullArgs};
             $logMsg = "full backup started for directory $t->{shareName}";
         } else {
-            $incrDate = $bpc->timeStampISO($t->{lastFull} - 3600, 1);
+            $incrDate = $bpc->timeStamp($t->{incrBaseTime} - 3600, 1);
 	    $args = $conf->{TarIncrArgs};
-            $logMsg = "incr backup started back to $incrDate for directory"
+            $logMsg = "incr backup started back to $incrDate"
+                    . " (backup #$t->{incrBaseBkupNum}) for directory"
                     . " $t->{shareName}";
         }
 	push(@$tarClientCmd, split(/ +/, $args));
@@ -155,6 +149,8 @@ sub start
         tarPath   => $conf->{TarClientPath},
         sshPath   => $conf->{SshPath},
     };
+    from_to($args->{shareName}, "utf8", $conf->{ClientCharset})
+                            if ( $conf->{ClientCharset} ne "" );
     $tarClientCmd = $bpc->cmdVarSubstitute($tarClientCmd, $args);
     if ( !defined($t->{xferPid} = open(TAR, "-|")) ) {
         $t->{_errStr} = "Can't fork to run tar";
@@ -189,12 +185,15 @@ sub start
         #
         # Run the tar command
         #
+	alarm(0);
 	$bpc->cmdExecOrEval($tarClientCmd, $args);
         # should not be reached, but just in case...
         $t->{_errStr} = "Can't exec @$tarClientCmd";
         return;
     }
     my $str = "Running: " . $bpc->execCmd2ShellCmd(@$tarClientCmd) . "\n";
+    from_to($str, $conf->{ClientCharset}, "utf8")
+                            if ( $conf->{ClientCharset} ne "" );
     $t->{XferLOG}->write(\"Running: @$tarClientCmd\n");
     alarm($conf->{ClientTimeout});
     $t->{_errStr} = undef;
@@ -210,7 +209,12 @@ sub readOutput
         my $mesg;
         if ( sysread($t->{pipeTar}, $mesg, 8192) <= 0 ) {
             vec($$FDreadRef, fileno($t->{pipeTar}), 1) = 0;
-	    if ( !close($t->{pipeTar}) ) {
+            if ( !close($t->{pipeTar}) && $? != 256 ) {
+                #
+                # Tar 1.16 uses exit status 1 (256) when some files
+                # changed during archive creation.  We allow this
+                # as a benign error and consider the archive ok
+                #
 		$t->{tarOut} .= "Tar exited with error $? ($!) status\n";
 		$t->{xferOK} = 0 if ( !$t->{tarBadExitOk} );
 	    }
@@ -218,21 +222,31 @@ sub readOutput
             $t->{tarOut} .= $mesg;
         }
     }
+    my $logFileThres = $t->{type} eq "restore" ? 1 : 2;
     while ( $t->{tarOut} =~ /(.*?)[\n\r]+(.*)/s ) {
         $_ = $1;
         $t->{tarOut} = $2;
-        $t->{XferLOG}->write(\"$_\n");
+        from_to($_, $conf->{ClientCharset}, "utf8")
+                            if ( $conf->{ClientCharset} ne "" );
         #
         # refresh our inactivity alarm
         #
-        alarm($conf->{ClientTimeout});
+        alarm($conf->{ClientTimeout}) if ( !$t->{abort} );
         $t->{lastOutputLine} = $_ if ( !/^$/ );
-        if ( /^Total bytes written: / ) {
+        if ( /^Total bytes (written|read): / ) {
+            $t->{XferLOG}->write(\"$_\n") if ( $t->{logLevel} >= 1 );
             $t->{xferOK} = 1;
         } elsif ( /^\./ ) {
+            $t->{XferLOG}->write(\"$_\n") if ( $t->{logLevel} >= $logFileThres );
             $t->{fileCnt}++;
         } else {
-            $t->{xferErrCnt}++;
+            #
+            # Ignore annoying log message on incremental for tar 1.15.x
+            #
+            if ( !/: file is unchanged; not dumped$/ && !/: socket ignored$/ ) {
+                $t->{XferLOG}->write(\"$_\n") if ( $t->{logLevel} >= 0 );
+                $t->{xferErrCnt}++;
+            }
 	    #
 	    # If tar encounters a minor error, it will exit with a non-zero
 	    # status.  We still consider that ok.  Remember if tar prints
@@ -240,11 +254,34 @@ sub readOutput
 	    #
 	    $t->{tarBadExitOk} = 1
 		    if ( $t->{xferOK} && /Error exit delayed from previous / );
+            #
+            # Also remember files that had read errors
+            #
+            if ( /: \.\/(.*): Read error at byte / ) {
+                my $badFile = $1;
+                push(@{$t->{badFiles}}, {
+                        share => $t->{shareName},
+                        file  => $badFile
+                    });
+            }
+
 	}
     }
     return 1;
 }
 
+sub abort
+{
+    my($t, $reason) = @_;
+    my @xferPid = $t->xferPid;
+
+    $t->{abort} = 1;
+    $t->{abortReason} = $reason;
+    if ( @xferPid ) {
+	kill($t->{bpc}->sigName2num("INT"), @xferPid);
+    }
+}
+
 sub setSelectMask
 {
     my($t, $FDreadRef) = @_;
@@ -263,7 +300,7 @@ sub xferPid
 {
     my($t) = @_;
 
-    return $t->{xferPid};
+    return ($t->{xferPid});
 }
 
 sub logMsg