-#!/bin/perl -T
+#!/bin/perl
#============================================================= -*-perl-*-
#
# BackupPC: Main program for PC backups.
# 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 2.0.0beta1, released 30 Mar 2003.
+# Version 2.1.0_CVS, released 13 Mar 2004.
#
# See http://backuppc.sourceforge.net.
#
#========================================================================
use strict;
+no utf8;
use vars qw(%Status %Info $Hosts);
use lib "/usr/local/BackupPC/lib";
use BackupPC::Lib;
$Info{ConfigModTime} = $bpc->ConfigMTime();
$Info{pid} = $$;
$Info{startTime} = time;
+ $Info{ConfigLTime} = time;
$Info{Version} = $bpc->{Version};
#
}
$Status{$host}{activeJob} = 0;
}
+ foreach my $host ( sort(keys(%Status)) ) {
+ next if ( defined($Hosts->{$host}) );
+ delete($Status{$host});
+ }
#
# Write out our initial status and save our PID
next;
}
push(@args, $req->{doFull} ? "-f" : "-i")
- if ( !$req->{restore} );
+ if (( !$req->{restore} ) && ( !$req->{archive} ));
$UserQueueOn{$req->{host}} = 0;
} elsif ( $nJobs < $Conf{MaxBackups}
&& (@CmdQueue + $nJobs)
$progName = "BackupPC_restore";
$type = "restore";
push(@args, $req->{hostIP}, $req->{host}, $req->{reqFileName});
+ } elsif ( $req->{archive} ) {
+ $progName = "BackupPC_archive";
+ $type = "archive";
+ push(@args, $req->{user}, $req->{host}, $req->{reqFileName});
} else {
$progName = "BackupPC_dump";
$type = "backup";
vec($FDread, $Jobs{$host}{fn}, 1) = 1;
$Jobs{$host}{startTime} = time;
$Jobs{$host}{reqTime} = $req->{reqTime};
+ $Jobs{$host}{userReq} = $req->{userReq};
$Jobs{$host}{cmd} = join(" ", $progName, @args);
$Jobs{$host}{user} = $user;
$Jobs{$host}{type} = $type;
+ $Status{$host}{userReq} = $req->{userReq}
+ if ( defined($Hosts->{$host}) );
if ( !$req->{dhcp} ) {
$Status{$host}{state} = "Status_".$type."_starting";
$Status{$host}{activeJob} = 1;
= localtime(time);
my($currHours) = $hour + $min / 60 + $sec / 3600;
if ( $bpc->ConfigMTime() != $Info{ConfigModTime} ) {
- my($mesg) = $bpc->ConfigRead()
- || "Re-read config file because mtime changed";
- print(LOG $bpc->timeStamp, "$mesg\n");
- %Conf = $bpc->Conf();
- $Info{ConfigModTime} = $bpc->ConfigMTime();
- umask($Conf{UmaskMode});
- ServerSocketInit();
+ ServerReload("Re-read config file because mtime changed");
}
my $delta = -1;
foreach my $t ( @{$Conf{WakeupSchedule} || [0..23]} ) {
# Process signals
#
if ( $SigName eq "HUP" ) {
- my($mesg) = $bpc->ConfigRead()
- || "Re-read config file because of a SIG_HUP";
- print(LOG $bpc->timeStamp, "$mesg\n");
- $Info{ConfigModTime} = $bpc->ConfigMTime();
- %Conf = $bpc->Conf();
- umask($Conf{UmaskMode});
- ServerSocketInit();
- HostsUpdate(0);
- $NextWakeup = 0;
+ ServerReload("Re-read config file because of a SIG_HUP");
} elsif ( $SigName ) {
- print(LOG $bpc->timeStamp, "Got signal $SigName... cleaning up\n");
- foreach my $host ( keys(%Jobs) ) {
- kill(2, $Jobs{$host}{pid});
- }
- StatusWrite();
- unlink("$TopDir/log/BackupPC.pid");
- exit(1);
+ ServerShutdown("Got signal $SigName... cleaning up");
}
$SigName = "";
}
if ( defined($Jobs{$newHost}) ) {
print(LOG $bpc->timeStamp,
"Backup on $newHost is already running\n");
- kill(2, $Jobs{$host}{pid});
+ kill($bpc->sigName2num("INT"), $Jobs{$host}{pid});
$nbytes = 0;
last;
}
$Status{$host}{startTime} = time;
$Status{$host}{deadCnt} = 0;
$Status{$host}{aliveCnt}++;
+ } elsif ( $mesg =~ /^started_archive/ ) {
+ $Jobs{$host}{type} = "archive";
+ print(LOG $bpc->timeStamp,
+ "Started archive on $host"
+ . " (pid=$Jobs{$host}{pid})\n");
+ $Status{$host}{state} = "Status_archive_in_progress";
+ $Status{$host}{reason} = "";
+ $Status{$host}{type} = "archive";
+ $Status{$host}{startTime} = time;
+ $Status{$host}{deadCnt} = 0;
+ $Status{$host}{aliveCnt}++;
} elsif ( $mesg =~ /^(full|incr) backup complete/ ) {
print(LOG $bpc->timeStamp, "Finished $1 backup on $host\n");
$Status{$host}{reason} = "Reason_backup_done";
delete($Status{$host}{error});
delete($Status{$host}{errorTime});
$Status{$host}{endTime} = time;
+ } elsif ( $mesg =~ /^backups disabled/ ) {
+ print(LOG $bpc->timeStamp,
+ "Ignoring old backup error on $host\n");
+ $Status{$host}{reason} = "Reason_backup_done";
+ delete($Status{$host}{error});
+ delete($Status{$host}{errorTime});
+ $Status{$host}{endTime} = time;
} elsif ( $mesg =~ /^restore complete/ ) {
print(LOG $bpc->timeStamp, "Finished restore on $host\n");
$Status{$host}{reason} = "Reason_restore_done";
delete($Status{$host}{error});
delete($Status{$host}{errorTime});
$Status{$host}{endTime} = time;
+ } elsif ( $mesg =~ /^archive complete/ ) {
+ print(LOG $bpc->timeStamp, "Finished archive on $host\n");
+ $Status{$host}{reason} = "Reason_archive_done";
+ delete($Status{$host}{error});
+ delete($Status{$host}{errorTime});
+ $Status{$host}{endTime} = time;
} elsif ( $mesg =~ /^nothing to do/ ) {
- $Status{$host}{state} = "Status_idle";
- $Status{$host}{reason} = "Reason_nothing_to_do";
- $Status{$host}{startTime} = time;
+ if ( $Status{$host}{reason} ne "Reason_backup_failed"
+ && $Status{$host}{reason} ne "Reason_restore_failed" ) {
+ $Status{$host}{state} = "Status_idle";
+ $Status{$host}{reason} = "Reason_nothing_to_do";
+ $Status{$host}{startTime} = time;
+ }
$Status{$host}{dhcpCheckCnt}--
if ( $Status{$host}{dhcpCheckCnt} > 0 );
} elsif ( $mesg =~ /^no ping response/
- || $mesg =~ /^ping too slow/ ) {
+ || $mesg =~ /^ping too slow/
+ || $mesg =~ /^host not found/ ) {
$Status{$host}{state} = "Status_idle";
- if ( $Status{$host}{reason} ne "Reason_backup_failed" ) {
+ if ( $Status{$host}{userReq}
+ || $Status{$host}{reason} ne "Reason_backup_failed"
+ || $Status{$host}{error} =~ /^aborted by user/ ) {
$Status{$host}{reason} = "Reason_no_ping";
+ $Status{$host}{error} = $mesg;
$Status{$host}{startTime} = time;
}
$Status{$host}{deadCnt}++;
}
} elsif ( $mesg =~ /^dump failed: (.*)/ ) {
$Status{$host}{state} = "Status_idle";
- $Status{$host}{reason} = "Reason_backup_failed";
+ $Status{$host}{error} = $1;
+ $Status{$host}{errorTime} = time;
+ $Status{$host}{endTime} = time;
+ if ( $Status{$host}{reason}
+ eq "Reason_backup_canceled_by_user" ) {
+ print(LOG $bpc->timeStamp,
+ "Backup canceled on $host ($1)\n");
+ } else {
+ $Status{$host}{reason} = "Reason_backup_failed";
+ print(LOG $bpc->timeStamp,
+ "Backup failed on $host ($1)\n");
+ }
+ } elsif ( $mesg =~ /^restore failed: (.*)/ ) {
+ $Status{$host}{state} = "Status_idle";
$Status{$host}{error} = $1;
$Status{$host}{errorTime} = time;
$Status{$host}{endTime} = time;
- print(LOG $bpc->timeStamp, "backup failed on $host ($1)\n");
+ if ( $Status{$host}{reason}
+ eq "Reason_restore_canceled_by_user" ) {
+ print(LOG $bpc->timeStamp,
+ "Restore canceled on $host ($1)\n");
+ } else {
+ $Status{$host}{reason} = "Reason_restore_failed";
+ print(LOG $bpc->timeStamp,
+ "Restore failed on $host ($1)\n");
+ }
+ } elsif ( $mesg =~ /^archive failed: (.*)/ ) {
+ $Status{$host}{state} = "Status_idle";
+ $Status{$host}{error} = $1;
+ $Status{$host}{errorTime} = time;
+ $Status{$host}{endTime} = time;
+ if ( $Status{$host}{reason}
+ eq "Reason_archive_canceled_by_user" ) {
+ print(LOG $bpc->timeStamp,
+ "Archive canceled on $host ($1)\n");
+ } else {
+ $Status{$host}{reason} = "Reason_archive_failed";
+ print(LOG $bpc->timeStamp,
+ "Archive failed on $host ($1)\n");
+ }
} elsif ( $mesg =~ /^log\s+(.*)/ ) {
print(LOG $bpc->timeStamp, "$1\n");
} elsif ( $mesg =~ /^BackupPC_stats = (.*)/ ) {
if ( $CmdJob ne $host && defined($Status{$host})
&& defined($Jobs{$host}) ) {
print(LOG $bpc->timeStamp,
- "Stopping current backup of $host,"
+ "Stopping current $Jobs{$host}{type} of $host,"
. " request by $user (backoff=$backoff)\n");
- kill(2, $Jobs{$host}{pid});
+ kill($bpc->sigName2num("INT"), $Jobs{$host}{pid});
#
# Don't close the pipe now; wait until the child
# really exits later. Otherwise close() will
##close($Jobs{$host}{fh});
##delete($Jobs{$host});
- $Status{$host}{state} = "Status_idle";
- $Status{$host}{reason} = "Reason_backup_canceled_by_user";
+ $Status{$host}{state} = "Status_idle";
+ if ( $Jobs{$host}{type} eq "restore" ) {
+ $Status{$host}{reason}
+ = "Reason_restore_canceled_by_user";
+ } elsif ( $Jobs{$host}{type} eq "archive" ) {
+ $Status{$host}{reason}
+ = "Reason_archive_canceled_by_user";
+ } else {
+ $Status{$host}{reason}
+ = "Reason_backup_canceled_by_user";
+ }
$Status{$host}{activeJob} = 0;
$Status{$host}{startTime} = time;
- $reply = "ok: backup of $host cancelled";
+ $reply = "ok: $Jobs{$host}{type} of $host canceled";
} elsif ( $BgQueueOn{$host} || $UserQueueOn{$host} ) {
print(LOG $bpc->timeStamp,
"Stopping pending backup of $host,"
@BgQueue = grep($_->{host} ne $host, @BgQueue);
@UserQueue = grep($_->{host} ne $host, @UserQueue);
$BgQueueOn{$host} = $UserQueueOn{$host} = 0;
- $reply = "ok: pending backup of $host cancelled";
+ $reply = "ok: pending backup of $host canceled";
} else {
print(LOG $bpc->timeStamp,
"Nothing to do for stop backup of $host,"
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;
+ my $archivehost = $2;
+ my $reqFileName = $3;
+ $host = $bpc->uriUnesc($archivehost);
+ if ( !defined($Status{$host}) ) {
+ print(LOG $bpc->timeStamp,
+ "User $user requested archive of unknown archive host"
+ . " $host");
+ $reply = "archive error: unknown archive host $host";
+ } else {
+ print(LOG $bpc->timeStamp,
+ "User $user requested archive on $host"
+ . " ($host)\n");
+ if ( defined($Jobs{$host}) ) {
+ $reply = "Archive currently running on $host, please try later";
+ } else {
+ unshift(@UserQueue, {
+ host => $host,
+ hostIP => $user,
+ reqFileName => $reqFileName,
+ reqTime => time,
+ dhcp => 0,
+ archive => 1,
+ userReq => 1,
+ });
+ $UserQueueOn{$host} = 1;
+ $reply = "ok: requested archive on $host";
+ }
+ }
} elsif ( $cmd =~ /^restore (\S+)\s+(\S+)\s+(\S+)\s+(\S+)/ ) {
my $hostIP = $1;
$host = $2;
reqTime => time,
dhcp => 0,
restore => 1,
+ userReq => 1,
});
$UserQueueOn{$host} = 1;
if ( defined($Jobs{$host}) ) {
QueueLink($host);
} elsif ( $cmd =~ /^log\s+(.*)/ ) {
print(LOG $bpc->timeStamp, "$1\n");
+ } elsif ( $cmd =~ /^server\s+(\w+)/ ) {
+ my($type) = $1;
+ if ( $type eq 'reload' ) {
+ ServerReload("Reloading config/host files via CGI request");
+ } elsif ( $type eq 'shutdown' ) {
+ $reply = "Shutting down...\n";
+ syswrite($Clients{$client}{fh}, $reply, length($reply));
+ ServerShutdown("Server shutting down...");
+ }
} elsif ( $cmd =~ /^quit/ || $cmd =~ /^exit/ ) {
$nbytes = 0;
last;
if ( $SigName ) {
$SigName = shift;
foreach my $host ( keys(%Jobs) ) {
- kill(2, $Jobs{$host}{pid});
+ kill($bpc->sigName2num("INT"), $Jobs{$host}{pid});
}
#
# In case we are inside the exit handler, reopen the log file
print(LOG "Fatal error: unhandled signal $SigName\n");
unlink("$TopDir/log/BackupPC.pid");
confess("Got new signal $SigName... quitting\n");
+ } else {
+ $SigName = shift;
}
- $SigName = shift;
}
#
$ServerInetPort = $Conf{ServerPort};
}
}
+
+#
+# Reload the server. Used by Main_Process_Signal when $SigName eq "HUP"
+# or when the command "server reload" is received.
+#
+sub ServerReload
+{
+ my($mesg) = @_;
+ $mesg = $bpc->ConfigRead() || $mesg;
+ print(LOG $bpc->timeStamp, "$mesg\n");
+ $Info{ConfigModTime} = $bpc->ConfigMTime();
+ %Conf = $bpc->Conf();
+ umask($Conf{UmaskMode});
+ ServerSocketInit();
+ HostsUpdate(0);
+ $NextWakeup = 0;
+ $Info{ConfigLTime} = time;
+}
+
+#
+# Gracefully shutdown the server. Used by Main_Process_Signal when
+# $SigName ne "" && $SigName ne "HUP" or when the command
+# "server shutdown" is received.
+#
+sub ServerShutdown
+{
+ my($mesg) = @_;
+ print(LOG $bpc->timeStamp, "$mesg\n");
+ if ( keys(%Jobs) ) {
+ foreach my $host ( keys(%Jobs) ) {
+ kill($bpc->sigName2num("INT"), $Jobs{$host}{pid});
+ }
+ sleep(1);
+ foreach my $host ( keys(%Jobs) ) {
+ kill($bpc->sigName2num("KILL"), $Jobs{$host}{pid});
+ }
+ %Jobs = ();
+ }
+ StatusWrite();
+ unlink("$TopDir/log/BackupPC.pid");
+ exit(1);
+}
+
projects / BackupPC.git / blobdiff