-#!/bin/perl
+#!/usr/bin/perl
#============================================================= -*-perl-*-
#
# BackupPC: Main program for PC backups.
# Craig Barratt <cbarratt@users.sourceforge.net>
#
# COPYRIGHT
-# Copyright (C) 2001-2007 Craig Barratt
+# Copyright (C) 2001-2009 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 3.2.0beta0, released 17 Jan 2009.
+# Version 3.2.0, released 31 Jul 2010.
#
# See http://backuppc.sourceforge.net.
#
#
my $pid;
defined($pid = fork) or die("Can't fork: $!");
- exit if( $pid ); # parent exits
+ exit if ( $pid ); # parent exits
POSIX::setsid();
defined($pid = fork) or die("Can't fork: $!");
push(@deferUserQueue, $req);
next;
}
- push(@args, $req->{doFull} ? "-f" : "-i")
- if (( !$req->{restore} ) && ( !$req->{archive} ));
$UserQueueOn{$req->{host}} = 0;
} elsif ( $nJobs < $Conf{MaxBackups}
&& (@CmdQueue + $nJobs)
} else {
$progName = "BackupPC_dump";
$type = "backup";
- push(@args, "-d") if ( $req->{dhcp} );
+ push(@args, "-I") if ( $req->{backupType} eq "autoIncr" );
+ push(@args, "-F") if ( $req->{backupType} eq "autoFull" );
+ push(@args, "-i") if ( $req->{backupType} eq "doIncr" );
+ push(@args, "-f") if ( $req->{backupType} eq "doFull" );
+ push(@args, "-d") if ( $req->{backupType} eq "dhcpPoll" );
push(@args, "-e") if ( $req->{dumpExpire} );
push(@args, $host);
}
QueueAllPCs();
} elsif ( $cmd =~ /^BackupPC_nightly run$/ ) {
$RunNightlyWhenIdle = 1;
- } elsif ( $cmd =~ /^queue (\S+)$/ ) {
- $host = $1;
- $host = $bpc->uriUnesc($host);
- if ( !defined($Hosts->{$host}) ) {
- print(LOG $bpc->timeStamp,
- "User requested backup of unknown host $host\n");
- $reply = "error: unknown host $host";
- } else {
- if ( QueueOnePC($host) ) {
- print(LOG $bpc->timeStamp,
- "Disk too full ($Info{DUlastValue}%); skipped 1 host\n");
- $Info{DUDailySkipHostCnt}++;
- $reply = "error: disk too full to queue $host";
- } else {
- print(LOG $bpc->timeStamp, "Host $host queued by user.\n");
- $reply = "ok: $host queued";
- }
- }
} elsif ( $cmd =~ /^backup (\S+)\s+(\S+)\s+(\S+)\s+(\S+)/ ) {
- my $hostIP = $1;
- $host = $2;
- my $user = $3;
- my $doFull = $4;
- $host = $bpc->uriUnesc($host);
- $hostIP = $bpc->uriUnesc($hostIP);
+ my $hostIP = $1;
+ $host = $2;
+ my $user = $3;
+ my $backupType = $4;
+ $host = $bpc->uriUnesc($host);
+ $hostIP = $bpc->uriUnesc($hostIP);
if ( !defined($Hosts->{$host}) ) {
print(LOG $bpc->timeStamp,
"User $user requested backup of unknown host"
. " $host\n");
$reply = "error: unknown host $host";
} else {
- print(LOG $bpc->timeStamp,
- "User $user requested backup of $host"
- . " ($hostIP)\n");
- if ( $BgQueueOn{$hostIP} ) {
- @BgQueue = grep($_->{host} ne $hostIP, @BgQueue);
- $BgQueueOn{$hostIP} = 0;
- }
- if ( $UserQueueOn{$hostIP} ) {
- @UserQueue = grep($_->{host} ne $hostIP, @UserQueue);
- $UserQueueOn{$hostIP} = 0;
+ #
+ # Handle numeric backupType for backward compatibility
+ # (technically -1 is a new feature for auto)
+ #
+ $backupType = 'auto' if ( $backupType eq '-1' );
+ $backupType = 'doIncr' if ( $backupType eq '0' );
+ $backupType = 'doFull' if ( $backupType eq '1' );
+ if ( $backupType !~ /^doIncr|doFull|autoIncr|autoFull|auto$/i ) {
+ $reply = "error: unknown backup type $backupType";
+ } else {
+ print(LOG $bpc->timeStamp,
+ "User $user requested backup of $host"
+ . " ($hostIP)\n");
+ if ( $BgQueueOn{$hostIP} ) {
+ @BgQueue = grep($_->{host} ne $hostIP, @BgQueue);
+ $BgQueueOn{$hostIP} = 0;
+ }
+ if ( $UserQueueOn{$hostIP} ) {
+ @UserQueue = grep($_->{host} ne $hostIP, @UserQueue);
+ $UserQueueOn{$hostIP} = 0;
+ }
+ my $status = QueueOnePC($host, $hostIP, $user, 'user', $backupType);
+ if ( $status == 0 ) {
+ $reply = "ok: requested backup of $host ($backupType)";
+ } elsif ( $status == 1 ) {
+ #should never see this we just dequeued it
+ $reply = "warning: $host was already queued."
+ . " Ignoring this request";
+ } elsif ( $status == 2 ) {
+ print(LOG $bpc->timeStamp,
+ "Disk too full ($Info{DUlastValue}%)."
+ . " Not queueing backup of $host\n");
+ $reply = "error: disk too full ($Info{DUlastValue}%)";
+ $Info{DUDailySkipHostCnt}++;
+ } elsif ( $status == 3 ) {
+ # should never reach this because
+ # it's set to "user" above
+ $reply = "error: unknown queue name";
+ } else {
+ $reply = "error: unknown queue status $status";
+ if ( $BgQueueOn{$hostIP} || $UserQueueOn{$hostIP} ) {
+ $reply .= ". Host is queued.";
+ } else {
+ $reply .= ". Host is not queued.";
+ }
+ }
}
- unshift(@UserQueue, {
- host => $hostIP,
- user => $user,
- reqTime => time,
- doFull => $doFull,
- userReq => 1,
- dhcp => $hostIP eq $host ? 0 : 1,
- });
- $UserQueueOn{$hostIP} = 1;
- $reply = "ok: requested backup of $host";
}
} elsif ( $cmd =~ /^archive (\S+)\s+(\S+)\s+(\S+)/ ) {
my $user = $1;
} else {
unshift(@UserQueue, {
host => $host,
- hostIP => $user,
+ user => $user,
reqFileName => $reqFileName,
reqTime => time,
dhcp => 0,
return $a cmp $b;
}
+#
+# Attempt to queue a host.
+# Returns 0 on success; 1 if host is already queued;
+# 2 if host was skipped; 3 on invalid queue name
+#
+# $host is the client's host name
+# $hostIP is usually the client's host name too, or IP address
+# if the user specified it in the manual backup command
+# $user is the user name, or BackupPC by default
+# $queue is which queue to use ("bg" by default)
+# $backupType is the backup type (doIncr|doFull|autoIncr|autoFull|auto|dhcpPoll)
+#
+# Note: starting in 3.2.0, the PC is queued even if it has a current
+# job running
+#
sub QueueOnePC
{
- my($host) = @_;
- my $skipped = 0;
+ my($host, $hostIP, $user, $queue, $backupType) = @_;
+ my $retVal = 0;
+ $user = "BackupPC" if ( $user eq '' );
+ $queue = "bg" if ( $queue eq '' && $user eq 'BackupPC' );
+ $backupType = "auto" if ( $backupType eq '' );
delete($Status{$host}{backoffTime})
if ( defined($Status{$host}{backoffTime})
- && $Status{$host}{backoffTime} < time );
- return if ( defined($Jobs{$host})
- || $BgQueueOn{$host}
- || $UserQueueOn{$host}
- || $CmdQueueOn{$host} );
+ && $Status{$host}{backoffTime} < time );
+ return 1 if ( $BgQueueOn{$host} || $UserQueueOn{$host} );
if ( $Hosts->{$host}{dhcp} ) {
$Status{$host}{dhcpCheckCnt}++;
if ( $RunNightlyWhenIdle ) {
# after the DHCP hosts has been detected on the network.
#
unshift(@BgQueue,
- {host => $host, user => "BackupPC", reqTime => time,
+ {host => $hostIP, user => $user, reqTime => time,
dhcp => 0, dumpExpire => 1});
$BgQueueOn{$host} = 1;
}
} else {
#
- # this is a fixed ip host: queue it
+ # this is a fixed ip host or DHCP ip address: queue it
#
if ( $Info{DUlastValue} > $Conf{DfMaxUsagePct} ) {
#
# BackupPC_dump will never run since we have exceeded
# the limit.
#
- $skipped = 1;
+ $retVal = 2;
unshift(@BgQueue,
- {host => $host, user => "BackupPC", reqTime => time,
- dhcp => $Hosts->{$host}{dhcp}, dumpExpire => 1});
- } else {
+ {host => $hostIP, user => $user, reqTime => time, dumpExpire => 1});
+ $BgQueueOn{$host} = 1;
+ } elsif( $queue eq 'bg' ) {
#
# Queue regular background backup
#
unshift(@BgQueue,
- {host => $host, user => "BackupPC", reqTime => time,
- dhcp => $Hosts->{$host}{dhcp}});
+ {host => $hostIP, user => $user, reqTime => time, backupType => $backupType});
+ $BgQueueOn{$host} = 1;
+ } elsif( $queue eq 'user' ) {
+ #
+ # Queue user backup
+ #
+ unshift(@UserQueue,
+ {host => $hostIP, user => $user, reqTime => time, backupType => $backupType});
+ $UserQueueOn{$host} = 1;
+ } else {
+ # unknown $queue type
+ $retVal = 3;
}
- $BgQueueOn{$host} = 1;
}
- return $skipped;
+ return $retVal;
}
#
{
my $nSkip = 0;
- foreach my $host ( sort(HostSortCompare keys(%$Hosts)) ) {
- $nSkip += QueueOnePC($host);
- }
- if ( $nSkip ) {
- print(LOG $bpc->timeStamp,
- "Disk too full ($Info{DUlastValue}%); skipped $nSkip hosts\n");
- $Info{DUDailySkipHostCnt} += $nSkip;
+ foreach my $host ( sort HostSortCompare keys(%$Hosts) ) {
+ $nSkip++ if ( QueueOnePC($host, $host, 'BackupPC', 'bg', 'auto') == 2 );
}
foreach my $dhcp ( @{$Conf{DHCPAddressRanges}} ) {
for ( my $i = $dhcp->{first} ; $i <= $dhcp->{last} ; $i++ ) {
my $ipAddr = "$dhcp->{ipAddrBase}.$i";
- next if ( defined($Jobs{$ipAddr})
- || $BgQueueOn{$ipAddr}
- || $UserQueueOn{$ipAddr}
- || $CmdQueueOn{$ipAddr} );
- #
- # this is a potential dhcp ip address (we don't know the
- # host name yet): queue it
- #
- unshift(@BgQueue,
- {host => $ipAddr, user => "BackupPC", reqTime => time,
- dhcp => 1});
- $BgQueueOn{$ipAddr} = 1;
+ $nSkip++ if ( QueueOnePC($ipAddr, $ipAddr, 'BackupPC', 'bg', 'dhcpPoll') == 2 );
}
}
+ if ( $nSkip ) {
+ print(LOG $bpc->timeStamp,
+ "Disk too full ($Info{DUlastValue}%); skipped $nSkip hosts\n");
+ $Info{DUDailySkipHostCnt} += $nSkip;
+ }
}
#