X-Git-Url: https://git.proxmox.com/?p=pve-common.git;a=blobdiff_plain;f=data%2FPVE%2FTools.pm;fp=data%2FPVE%2FTools.pm;h=0000000000000000000000000000000000000000;hp=827ca58bcfec494e823b6d957599966f6b548ce7;hb=b51b16e6f58de4cb385bd461d97866b3d94c93ec;hpb=47e4eb112911b530d0646c1808fd06cbeb921572

diff --git a/data/PVE/Tools.pm b/data/PVE/Tools.pm
deleted file mode 100644
index 827ca58..0000000
--- a/data/PVE/Tools.pm
+++ /dev/null
@@ -1,1046 +0,0 @@
-package PVE::Tools;
-
-use strict;
-use warnings;
-use POSIX qw(EINTR);
-use IO::Socket::INET;
-use IO::Select;
-use File::Basename;
-use File::Path qw(make_path);
-use IO::File;
-use IO::Dir;
-use IPC::Open3;
-use Fcntl qw(:DEFAULT :flock);
-use base 'Exporter';
-use URI::Escape;
-use Encode;
-use Digest::SHA;
-use Text::ParseWords;
-use String::ShellQuote;
-use Time::HiRes qw(usleep gettimeofday tv_interval);
-
-# avoid warning when parsing long hex values with hex()
-no warnings 'portable'; # Support for 64-bit ints required
-
-our @EXPORT_OK = qw(
-$IPV6RE
-$IPV4RE
-lock_file 
-lock_file_full
-run_command 
-file_set_contents 
-file_get_contents
-file_read_firstline
-dir_glob_regex
-dir_glob_foreach
-split_list
-template_replace
-safe_print
-trim
-extract_param
-);
-
-my $pvelogdir = "/var/log/pve";
-my $pvetaskdir = "$pvelogdir/tasks";
-
-mkdir $pvelogdir;
-mkdir $pvetaskdir;
-
-my $IPV4OCTET = "(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])";
-our $IPV4RE = "(?:(?:$IPV4OCTET\\.){3}$IPV4OCTET)";
-my $IPV6H16 = "(?:[0-9a-fA-F]{1,4})";
-my $IPV6LS32 = "(?:(?:$IPV4RE|$IPV6H16:$IPV6H16))";
-
-our $IPV6RE = "(?:" .
-    "(?:(?:" .                             "(?:$IPV6H16:){6})$IPV6LS32)|" .
-    "(?:(?:" .                           "::(?:$IPV6H16:){5})$IPV6LS32)|" .
-    "(?:(?:(?:" .              "$IPV6H16)?::(?:$IPV6H16:){4})$IPV6LS32)|" .
-    "(?:(?:(?:(?:$IPV6H16:){0,1}$IPV6H16)?::(?:$IPV6H16:){3})$IPV6LS32)|" .
-    "(?:(?:(?:(?:$IPV6H16:){0,2}$IPV6H16)?::(?:$IPV6H16:){2})$IPV6LS32)|" .
-    "(?:(?:(?:(?:$IPV6H16:){0,3}$IPV6H16)?::(?:$IPV6H16:){1})$IPV6LS32)|" .
-    "(?:(?:(?:(?:$IPV6H16:){0,4}$IPV6H16)?::" .           ")$IPV6LS32)|" .
-    "(?:(?:(?:(?:$IPV6H16:){0,5}$IPV6H16)?::" .            ")$IPV6H16)|" .
-    "(?:(?:(?:(?:$IPV6H16:){0,6}$IPV6H16)?::" .                    ")))";
-
-sub run_with_timeout {
-    my ($timeout, $code, @param) = @_;
-
-    die "got timeout\n" if $timeout <= 0;
-
-    my $prev_alarm;
-
-    my $sigcount = 0;
-
-    my $res;
-
-    local $SIG{ALRM} = sub { $sigcount++; }; # catch alarm outside eval
-
-    eval {
-	local $SIG{ALRM} = sub { $sigcount++; die "got timeout\n"; };
-	local $SIG{PIPE} = sub { $sigcount++; die "broken pipe\n" };
-	local $SIG{__DIE__};   # see SA bug 4631
-
-	$prev_alarm = alarm($timeout);
-
-	$res = &$code(@param);
-
-	alarm(0); # avoid race conditions
-    };
-
-    my $err = $@;
-
-    alarm($prev_alarm) if defined($prev_alarm);
-
-    die "unknown error" if $sigcount && !$err; # seems to happen sometimes
-
-    die $err if $err;
-
-    return $res;
-}
-
-# flock: we use one file handle per process, so lock file
-# can be called multiple times and succeeds for the same process.
-
-my $lock_handles =  {};
-
-sub lock_file_full {
-    my ($filename, $timeout, $shared, $code, @param) = @_;
-
-    $timeout = 10 if !$timeout;
-
-    my $mode = $shared ? LOCK_SH : LOCK_EX;
-
-    my $lock_func = sub {
-        if (!$lock_handles->{$$}->{$filename}) {
-            $lock_handles->{$$}->{$filename} = new IO::File (">>$filename") ||
-                die "can't open file - $!\n";
-        }
-
-        if (!flock ($lock_handles->{$$}->{$filename}, $mode|LOCK_NB)) {
-            print STDERR "trying to aquire lock...";
-	    my $success;
-	    while(1) {
-		$success = flock($lock_handles->{$$}->{$filename}, $mode);
-		# try again on EINTR (see bug #273)
-		if ($success || ($! != EINTR)) {
-		    last;
-		}
-	    }
-            if (!$success) {
-                print STDERR " failed\n";
-                die "can't aquire lock - $!\n";
-            }
-            print STDERR " OK\n";
-        }
-    };
-
-    my $res;
-
-    eval { run_with_timeout($timeout, $lock_func); };
-    my $err = $@;
-    if ($err) {
-	$err = "can't lock file '$filename' - $err";
-    } else {
-	eval { $res = &$code(@param) };
-	$err = $@;
-    }
-
-    if (my $fh = $lock_handles->{$$}->{$filename}) {
-        $lock_handles->{$$}->{$filename} = undef;
-        close ($fh);
-    }
-
-    if ($err) {
-        $@ = $err;
-        return undef;
-    }
-
-    $@ = undef;
-
-    return $res;
-}
-
-
-sub lock_file {
-    my ($filename, $timeout, $code, @param) = @_;
-
-    return lock_file_full($filename, $timeout, 0, $code, @param);
-}
-
-sub file_set_contents {
-    my ($filename, $data, $perm)  = @_;
-
-    $perm = 0644 if !defined($perm);
-
-    my $tmpname = "$filename.tmp.$$";
-
-    eval {
-	my $fh = IO::File->new($tmpname, O_WRONLY|O_CREAT, $perm);
-	die "unable to open file '$tmpname' - $!\n" if !$fh;
-	die "unable to write '$tmpname' - $!\n" unless print $fh $data;
-	die "closing file '$tmpname' failed - $!\n" unless close $fh;
-    };
-    my $err = $@;
-
-    if ($err) {
-	unlink $tmpname;
-	die $err;
-    }
-
-    if (!rename($tmpname, $filename)) {
-	my $msg = "close (rename) atomic file '$filename' failed: $!\n";
-	unlink $tmpname;
-	die $msg;	
-    }
-}
-
-sub file_get_contents {
-    my ($filename, $max) = @_;
-
-    my $fh = IO::File->new($filename, "r") ||
-	die "can't open '$filename' - $!\n";
-
-    my $content = safe_read_from($fh, $max);
-
-    close $fh;
-
-    return $content;
-}
-
-sub file_read_firstline {
-    my ($filename) = @_;
-
-    my $fh = IO::File->new ($filename, "r");
-    return undef if !$fh;
-    my $res = <$fh>;
-    chomp $res if $res;
-    $fh->close;
-    return $res;
-}
-
-sub safe_read_from {
-    my ($fh, $max, $oneline) = @_;
-
-    $max = 32768 if !$max;
-
-    my $br = 0;
-    my $input = '';
-    my $count;
-    while ($count = sysread($fh, $input, 8192, $br)) {
-	$br += $count;
-	die "input too long - aborting\n" if $br > $max;
-	if ($oneline && $input =~ m/^(.*)\n/) {
-	    $input = $1;
-	    last;
-	}
-    } 
-    die "unable to read input - $!\n" if !defined($count);
-
-    return $input;
-}
-
-sub run_command {
-    my ($cmd, %param) = @_;
-
-    my $old_umask;
-    my $cmdstr;
-
-    if (!ref($cmd)) {
-	$cmdstr = $cmd;
-	if ($cmd =~ m/|/) {
-	    # see 'man bash' for option pipefail
-	    $cmd = [ '/bin/bash', '-c', "set -o pipefail && $cmd" ];
-	} else {
-	    $cmd = [ $cmd ];
-	}
-    } else {
-	$cmdstr = cmd2string($cmd);
-    }
-
-    my $errmsg;
-    my $laststderr;
-    my $timeout;
-    my $oldtimeout;
-    my $pid;
-
-    my $outfunc;
-    my $errfunc;
-    my $logfunc;
-    my $input;
-    my $output;
-    my $afterfork;
-
-    eval {
-
-	foreach my $p (keys %param) {
-	    if ($p eq 'timeout') {
-		$timeout = $param{$p};
-	    } elsif ($p eq 'umask') {
-		$old_umask = umask($param{$p});
-	    } elsif ($p eq 'errmsg') {
-		$errmsg = $param{$p};
-	    } elsif ($p eq 'input') {
-		$input = $param{$p};
-	    } elsif ($p eq 'output') {
-		$output = $param{$p};
-	    } elsif ($p eq 'outfunc') {
-		$outfunc = $param{$p};
-	    } elsif ($p eq 'errfunc') {
-		$errfunc = $param{$p};
-	    } elsif ($p eq 'logfunc') {
-		$logfunc = $param{$p};
-	    } elsif ($p eq 'afterfork') {
-		$afterfork = $param{$p};
-	    } else {
-		die "got unknown parameter '$p' for run_command\n";
-	    }
-	}
-
-	if ($errmsg) {
-	    my $origerrfunc = $errfunc;
-	    $errfunc = sub {
-		if ($laststderr) {
-		    if ($origerrfunc) {
-			&$origerrfunc("$laststderr\n");
-		    } else {
-			print STDERR "$laststderr\n" if $laststderr;
-		    }
-		}
-		$laststderr = shift; 
-	    };
-	}
-
-	my $reader = $output && $output =~ m/^>&/ ? $output : IO::File->new();
-	my $writer = $input && $input =~ m/^<&/ ? $input : IO::File->new();
-	my $error  = IO::File->new();
-
-	# try to avoid locale related issues/warnings
-	my $lang = $param{lang} || 'C'; 
- 
-	my $orig_pid = $$;
-
-	eval {
-	    local $ENV{LC_ALL} = $lang;
-
-	    # suppress LVM warnings like: "File descriptor 3 left open";
-	    local $ENV{LVM_SUPPRESS_FD_WARNINGS} = "1";
-
-	    $pid = open3($writer, $reader, $error, @$cmd) || die $!;
-
-	    # if we pipe fron STDIN, open3 closes STDIN, so we we
-	    # a perl warning "Filehandle STDIN reopened as GENXYZ .. "
-	    # as soon as we open a new file.
-	    # to avoid that we open /dev/null
-	    if (!ref($writer) && !defined(fileno(STDIN))) {
-		POSIX::close(0);
-		open(STDIN, "</dev/null");
-	    }
-	};
-
-	my $err = $@;
-
-	# catch exec errors
-	if ($orig_pid != $$) {
-	    warn "ERROR: $err";
-	    POSIX::_exit (1); 
-	    kill ('KILL', $$); 
-	}
-
-	die $err if $err;
-
-	local $SIG{ALRM} = sub { die "got timeout\n"; } if $timeout;
-	$oldtimeout = alarm($timeout) if $timeout;
-
-	&$afterfork() if $afterfork;
-
-	if (ref($writer)) {
-	    print $writer $input if defined $input;
-	    close $writer;
-	}
-
-	my $select = new IO::Select;
-	$select->add($reader) if ref($reader);
-	$select->add($error);
-
-	my $outlog = '';
-	my $errlog = '';
-
-	my $starttime = time();
-
-	while ($select->count) {
-	    my @handles = $select->can_read(1);
-
-	    foreach my $h (@handles) {
-		my $buf = '';
-		my $count = sysread ($h, $buf, 4096);
-		if (!defined ($count)) {
-		    my $err = $!;
-		    kill (9, $pid);
-		    waitpid ($pid, 0);
-		    die $err;
-		}
-		$select->remove ($h) if !$count;
-		if ($h eq $reader) {
-		    if ($outfunc || $logfunc) {
-			eval {
-			    $outlog .= $buf;
-			    while ($outlog =~ s/^([^\010\r\n]*)(\r|\n|(\010)+|\r\n)//s) {
-				my $line = $1;
-				&$outfunc($line) if $outfunc;
-				&$logfunc($line) if $logfunc;
-			    }
-			};
-			my $err = $@;
-			if ($err) {
-			    kill (9, $pid);
-			    waitpid ($pid, 0);
-			    die $err;
-			}
-		    } else {
-			print $buf;
-			*STDOUT->flush();
-		    }
-		} elsif ($h eq $error) {
-		    if ($errfunc || $logfunc) {
-			eval {
-			    $errlog .= $buf;
-			    while ($errlog =~ s/^([^\010\r\n]*)(\r|\n|(\010)+|\r\n)//s) {
-				my $line = $1;
-				&$errfunc($line) if $errfunc;
-				&$logfunc($line) if $logfunc;
-			    }
-			};
-			my $err = $@;
-			if ($err) {
-			    kill (9, $pid);
-			    waitpid ($pid, 0);
-			    die $err;
-			}
-		    } else {
-			print STDERR $buf;
-			*STDERR->flush();
-		    }
-		}
-	    }
-	}
-
-	&$outfunc($outlog) if $outfunc && $outlog;
-	&$logfunc($outlog) if $logfunc && $outlog;
-
-	&$errfunc($errlog) if $errfunc && $errlog;
-	&$logfunc($errlog) if $logfunc && $errlog;
-
-	waitpid ($pid, 0);
-  
-	if ($? == -1) {
-	    die "failed to execute\n";
-	} elsif (my $sig = ($? & 127)) {
-	    die "got signal $sig\n";
-	} elsif (my $ec = ($? >> 8)) {
-	    if (!($ec == 24 && ($cmdstr =~ m|^(\S+/)?rsync\s|))) {
-		if ($errmsg && $laststderr) {
-		    my $lerr = $laststderr;
-		    $laststderr = undef;
-		    die "$lerr\n";
-		}
-		die "exit code $ec\n";
-	    }
-	}
-
-        alarm(0);
-    };
-
-    my $err = $@;
-
-    alarm(0);
-
-    if ($errmsg && $laststderr) {
-	&$errfunc(undef); # flush laststderr
-    }
-
-    umask ($old_umask) if defined($old_umask);
-
-    alarm($oldtimeout) if $oldtimeout;
-
-    if ($err) {
-	if ($pid && ($err eq "got timeout\n")) {
-	    kill (9, $pid);
-	    waitpid ($pid, 0);
-	    die "command '$cmdstr' failed: $err";
-	}
-
-	if ($errmsg) {
-	    $err =~ s/^usermod:\s*// if $cmdstr =~ m|^(\S+/)?usermod\s|;
-	    die "$errmsg: $err";
-	} else {
-	    die "command '$cmdstr' failed: $err";
-	}
-    }
-
-    return undef;
-}
-
-sub split_list {
-    my $listtxt = shift || '';
-
-    return split (/\0/, $listtxt) if $listtxt =~ m/\0/;
-    
-    $listtxt =~ s/[,;]/ /g;
-    $listtxt =~ s/^\s+//;
-
-    my @data = split (/\s+/, $listtxt);
-
-    return @data;
-}
-
-sub trim {
-    my $txt = shift;
-
-    return $txt if !defined($txt);
-
-    $txt =~ s/^\s+//;
-    $txt =~ s/\s+$//;
-    
-    return $txt;
-}
-
-# simple uri templates like "/vms/{vmid}"
-sub template_replace {
-    my ($tmpl, $data) = @_;
-
-    return $tmpl if !$tmpl;
- 
-    my $res = '';
-    while ($tmpl =~ m/([^{]+)?({([^}]+)})?/g) {
-	$res .= $1 if $1;
-	$res .= ($data->{$3} || '-') if $2;
-    }
-    return $res;
-}
-
-sub safe_print {
-    my ($filename, $fh, $data) = @_;
-
-    return if !$data;
-
-    my $res = print $fh $data;
-
-    die "write to '$filename' failed\n" if !$res;
-}
-
-sub debmirrors {
-
-    return {
-	'at' => 'ftp.at.debian.org',
-	'au' => 'ftp.au.debian.org',
-	'be' => 'ftp.be.debian.org',
-	'bg' => 'ftp.bg.debian.org',
-	'br' => 'ftp.br.debian.org',
-	'ca' => 'ftp.ca.debian.org',
-	'ch' => 'ftp.ch.debian.org',
-	'cl' => 'ftp.cl.debian.org',
-	'cz' => 'ftp.cz.debian.org',
-	'de' => 'ftp.de.debian.org',
-	'dk' => 'ftp.dk.debian.org',
-	'ee' => 'ftp.ee.debian.org',
-	'es' => 'ftp.es.debian.org',
-	'fi' => 'ftp.fi.debian.org',
-	'fr' => 'ftp.fr.debian.org',
-	'gr' => 'ftp.gr.debian.org',
-	'hk' => 'ftp.hk.debian.org',
-	'hr' => 'ftp.hr.debian.org',
-	'hu' => 'ftp.hu.debian.org',
-	'ie' => 'ftp.ie.debian.org',
-	'is' => 'ftp.is.debian.org',
-	'it' => 'ftp.it.debian.org',
-	'jp' => 'ftp.jp.debian.org',
-	'kr' => 'ftp.kr.debian.org',
-	'mx' => 'ftp.mx.debian.org',
-	'nl' => 'ftp.nl.debian.org',
-	'no' => 'ftp.no.debian.org',
-	'nz' => 'ftp.nz.debian.org',
-	'pl' => 'ftp.pl.debian.org',
-	'pt' => 'ftp.pt.debian.org',
-	'ro' => 'ftp.ro.debian.org',
-	'ru' => 'ftp.ru.debian.org',
-	'se' => 'ftp.se.debian.org',
-	'si' => 'ftp.si.debian.org',
-	'sk' => 'ftp.sk.debian.org',
-	'tr' => 'ftp.tr.debian.org',
-	'tw' => 'ftp.tw.debian.org',
-	'gb' => 'ftp.uk.debian.org',
-	'us' => 'ftp.us.debian.org',
-    };
-}
-
-my $keymaphash =  {
-    'dk'     => ['Danish', 'da', 'qwerty/dk-latin1.kmap.gz', 'dk', 'nodeadkeys'],
-    'de'     => ['German', 'de', 'qwertz/de-latin1-nodeadkeys.kmap.gz', 'de', 'nodeadkeys' ],
-    'de-ch'  => ['Swiss-German', 'de-ch', 'qwertz/sg-latin1.kmap.gz',  'ch', 'de_nodeadkeys' ], 
-    'en-gb'  => ['United Kingdom', 'en-gb', 'qwerty/uk.kmap.gz' , 'gb', undef],
-    'en-us'  => ['U.S. English', 'en-us', 'qwerty/us-latin1.kmap.gz',  'us', undef ],
-    'es'     => ['Spanish', 'es', 'qwerty/es.kmap.gz', 'es', 'nodeadkeys'],
-    #'et'     => [], # Ethopia or Estonia ??
-    'fi'     => ['Finnish', 'fi', 'qwerty/fi-latin1.kmap.gz', 'fi', 'nodeadkeys'],
-    #'fo'     => ['Faroe Islands', 'fo', ???, 'fo', 'nodeadkeys'],
-    'fr'     => ['French', 'fr', 'azerty/fr-latin1.kmap.gz', 'fr', 'nodeadkeys'],
-    'fr-be'  => ['Belgium-French', 'fr-be', 'azerty/be2-latin1.kmap.gz', 'be', 'nodeadkeys'],
-    'fr-ca'  => ['Canada-French', 'fr-ca', 'qwerty/cf.kmap.gz', 'ca', 'fr-legacy'],
-    'fr-ch'  => ['Swiss-French', 'fr-ch', 'qwertz/fr_CH-latin1.kmap.gz', 'ch', 'fr_nodeadkeys'],
-    #'hr'     => ['Croatia', 'hr', 'qwertz/croat.kmap.gz', 'hr', ??], # latin2?
-    'hu'     => ['Hungarian', 'hu', 'qwertz/hu.kmap.gz', 'hu', undef],
-    'is'     => ['Icelandic', 'is', 'qwerty/is-latin1.kmap.gz', 'is', 'nodeadkeys'],
-    'it'     => ['Italian', 'it', 'qwerty/it2.kmap.gz', 'it', 'nodeadkeys'],
-    'jp'     => ['Japanese', 'ja', 'qwerty/jp106.kmap.gz', 'jp', undef],
-    'lt'     => ['Lithuanian', 'lt', 'qwerty/lt.kmap.gz', 'lt', 'std'],
-    #'lv'     => ['Latvian', 'lv', 'qwerty/lv-latin4.kmap.gz', 'lv', ??], # latin4 or latin7?
-    'mk'     => ['Macedonian', 'mk', 'qwerty/mk.kmap.gz', 'mk', 'nodeadkeys'],
-    'nl'     => ['Dutch', 'nl', 'qwerty/nl.kmap.gz', 'nl', undef],
-    #'nl-be'  => ['Belgium-Dutch', 'nl-be', ?, ?, ?],
-    'no'   => ['Norwegian', 'no', 'qwerty/no-latin1.kmap.gz', 'no', 'nodeadkeys'], 
-    'pl'     => ['Polish', 'pl', 'qwerty/pl.kmap.gz', 'pl', undef],
-    'pt'     => ['Portuguese', 'pt', 'qwerty/pt-latin1.kmap.gz', 'pt', 'nodeadkeys'],
-    'pt-br'  => ['Brazil-Portuguese', 'pt-br', 'qwerty/br-latin1.kmap.gz', 'br', 'nodeadkeys'],
-    #'ru'     => ['Russian', 'ru', 'qwerty/ru.kmap.gz', 'ru', undef], # dont know?
-    'si'     => ['Slovenian', 'sl', 'qwertz/slovene.kmap.gz', 'si', undef],
-    'se'     => ['Swedish', 'sv', 'qwerty/se-latin1.kmap.gz', 'se', 'nodeadkeys'],
-    #'th'     => [],
-    'tr'     => ['Turkish', 'tr', 'qwerty/trq.kmap.gz', 'tr', undef],
-};
-
-my $kvmkeymaparray = [];
-foreach my $lc (keys %$keymaphash) {
-    push @$kvmkeymaparray, $keymaphash->{$lc}->[1];
-}
-
-sub kvmkeymaps {
-    return $keymaphash;
-}
-
-sub kvmkeymaplist {
-    return $kvmkeymaparray;
-}
-
-sub extract_param {
-    my ($param, $key) = @_;
-
-    my $res = $param->{$key};
-    delete $param->{$key};
-
-    return $res;
-}
-
-# Note: we use this to wait until vncterm/spiceterm is ready
-sub wait_for_vnc_port {
-    my ($port, $timeout) = @_;
-
-    $timeout = 5 if !$timeout;
-    my $sleeptime = 0;
-    my $starttime = [gettimeofday];
-    my $elapsed;
-
-    while (($elapsed = tv_interval($starttime)) < $timeout) {
-	if (my $fh = IO::File->new ("/proc/net/tcp", "r")) {
-	    while (defined (my $line = <$fh>)) {
-		if ($line =~ m/^\s*\d+:\s+([0-9A-Fa-f]{8}):([0-9A-Fa-f]{4})\s/) {
-		    if ($port == hex($2)) {
-			close($fh);
-			return 1;
-		    }
-		}
-	    }
-	    close($fh);
-	}
-	$sleeptime += 100000 if  $sleeptime < 1000000;
-	usleep($sleeptime);
-    }
-
-    return undef;
-}
-
-sub next_unused_port {
-    my ($range_start, $range_end) = @_;
-
-    # We use a file to register allocated ports.
-    # Those registrations expires after $expiretime.
-    # We use this to avoid race conditions between
-    # allocation and use of ports.
-
-    my $filename = "/var/tmp/pve-reserved-ports";
-
-    my $code = sub {
-
-	my $expiretime = 5;
-	my $ctime = time();
-
-	my $ports = {};
-
-	if (my $fh = IO::File->new ($filename, "r")) {
-	    while (my $line = <$fh>) {
-		if ($line =~ m/^(\d+)\s(\d+)$/) {
-		    my ($port, $timestamp) = ($1, $2);
-		    if (($timestamp + $expiretime) > $ctime) {
-			$ports->{$port} = $timestamp; # not expired
-		    }		
-		}
-	    }
-	}
-    
-	my $newport;
-
-	for (my $p = $range_start; $p < $range_end; $p++) {
-	    next if $ports->{$p}; # reserved
-
-	    my $sock = IO::Socket::INET->new(Listen => 5,
-					     LocalAddr => '0.0.0.0',
-					     LocalPort => $p,
-					     ReuseAddr => 1,
-					     Proto     => 0);
-
-	    if ($sock) {
-		close($sock);
-		$newport = $p;
-		$ports->{$p} = $ctime;
-		last;
-	    }
-	}
- 
-	my $data = "";
-	foreach my $p (keys %$ports) {
-	    $data .= "$p $ports->{$p}\n";
-	}
-    
-	file_set_contents($filename, $data);
-
-	return $newport;
-    };
-
-    my $p = lock_file($filename, 10, $code);
-    die $@ if $@;
-   
-    die "unable to find free port (${range_start}-${range_end})\n" if !$p;
-
-    return $p;
-}
-
-sub next_migrate_port {
-    return next_unused_port(60000, 60050);
-}
-
-sub next_vnc_port {
-    return next_unused_port(5900, 6000);
-}
-
-sub next_spice_port {
-    return next_unused_port(61000, 61099);
-}
-
-# NOTE: NFS syscall can't be interrupted, so alarm does 
-# not work to provide timeouts.
-# from 'man nfs': "Only SIGKILL can interrupt a pending NFS operation"
-# So the spawn external 'df' process instead of using
-# Filesys::Df (which uses statfs syscall)
-sub df {
-    my ($path, $timeout) = @_;
-
-    my $cmd = [ 'df', '-P', '-B', '1', $path];
-
-    my $res = {
-	total => 0,
-	used => 0,
-	avail => 0,
-    };
-
-    my $parser = sub {
-	my $line = shift;
-	if (my ($fsid, $total, $used, $avail) = $line =~
-	    m/^(\S+.*)\s+(\d+)\s+(\d+)\s+(\d+)\s+\d+%\s.*$/) {
-	    $res = {
-		total => $total,
-		used => $used,
-		avail => $avail,
-	    };
-	}
-    };
-    eval { run_command($cmd, timeout => $timeout, outfunc => $parser); };
-    warn $@ if $@;
-
-    return $res;
-}
-
-# UPID helper
-# We use this to uniquely identify a process.
-# An 'Unique Process ID' has the following format: 
-# "UPID:$node:$pid:$pstart:$startime:$dtype:$id:$user"
-
-sub upid_encode {
-    my $d = shift;
-
-    # Note: pstart can be > 32bit if uptime > 497 days, so this can result in
-    # more that 8 characters for pstart
-    return sprintf("UPID:%s:%08X:%08X:%08X:%s:%s:%s:", $d->{node}, $d->{pid}, 
-		   $d->{pstart}, $d->{starttime}, $d->{type}, $d->{id}, 
-		   $d->{user});
-}
-
-sub upid_decode {
-    my ($upid, $noerr) = @_;
-
-    my $res;
-    my $filename;
-
-    # "UPID:$node:$pid:$pstart:$startime:$dtype:$id:$user"
-    # Note: allow up to 9 characters for pstart (work until 20 years uptime)
-    if ($upid =~ m/^UPID:([a-zA-Z0-9]([a-zA-Z0-9\-]*[a-zA-Z0-9])?):([0-9A-Fa-f]{8}):([0-9A-Fa-f]{8,9}):([0-9A-Fa-f]{8}):([^:\s]+):([^:\s]*):([^:\s]+):$/) {
-	$res->{node} = $1;
-	$res->{pid} = hex($3);
-	$res->{pstart} = hex($4);
-	$res->{starttime} = hex($5);
-	$res->{type} = $6;
-	$res->{id} = $7;
-	$res->{user} = $8;
-
-	my $subdir = substr($5, 7, 8);
-	$filename = "$pvetaskdir/$subdir/$upid";
-
-    } else {
-	return undef if $noerr;
-	die "unable to parse worker upid '$upid'\n";
-    }
-
-    return wantarray ? ($res, $filename) : $res;
-}
-
-sub upid_open {
-    my ($upid) = @_;
-
-    my ($task, $filename) = upid_decode($upid); 
-
-    my $dirname = dirname($filename);
-    make_path($dirname);
-
-    my $wwwid = getpwnam('www-data') ||
-	die "getpwnam failed";
-
-    my $perm = 0640;
- 
-    my $outfh = IO::File->new ($filename, O_WRONLY|O_CREAT|O_EXCL, $perm) ||
-	die "unable to create output file '$filename' - $!\n";
-    chown $wwwid, -1, $outfh;
-
-    return $outfh;
-};
-
-sub upid_read_status {
-    my ($upid) = @_;
-
-    my ($task, $filename) = upid_decode($upid);
-    my $fh = IO::File->new($filename, "r");
-    return "unable to open file - $!" if !$fh;
-    my $maxlen = 4096;
-    sysseek($fh, -$maxlen, 2);
-    my $readbuf = '';
-    my $br = sysread($fh, $readbuf, $maxlen);
-    close($fh);
-    if ($br) {
-	return "unable to extract last line"
-	    if $readbuf !~ m/\n?(.+)$/;
-	my $line = $1;
-	if ($line =~ m/^TASK OK$/) {
-	    return 'OK';
-	} elsif ($line =~ m/^TASK ERROR: (.+)$/) {
-	    return $1;
-	} else {
-	    return "unexpected status";
-	}
-    }
-    return "unable to read tail (got $br bytes)";
-}
-
-# useful functions to store comments in config files 
-sub encode_text {
-    my ($text) = @_;
-
-    # all control and hi-bit characters, and ':'
-    my $unsafe = "^\x20-\x39\x3b-\x7e";
-    return uri_escape(Encode::encode("utf8", $text), $unsafe);
-}
-
-sub decode_text {
-    my ($data) = @_;
-
-    return Encode::decode("utf8", uri_unescape($data));
-}
-
-sub decode_utf8_parameters {
-    my ($param) = @_;
-
-    foreach my $p (qw(comment description firstname lastname)) {
-	$param->{$p} = decode('utf8', $param->{$p}) if $param->{$p};
-    }
-
-    return $param;
-}
-
-sub random_ether_addr {
-
-    my ($seconds, $microseconds) = gettimeofday;
-
-    my $rand = Digest::SHA::sha1_hex($$, rand(), $seconds, $microseconds);
-
-    my $mac = '';
-    for (my $i = 0; $i < 6; $i++) {
-	my $ss = hex(substr($rand, $i*2, 2));
-	if (!$i) {
-	    $ss &= 0xfe; # clear multicast
-	    $ss |= 2; # set local id
-	}
-	$ss = sprintf("%02X", $ss);
-
-	if (!$i) {
-	    $mac .= "$ss";
-	} else {
-	    $mac .= ":$ss";
-	}
-    }
-
-    return $mac;
-}
-
-sub shellquote {
-    my $str = shift;
-
-    return String::ShellQuote::shell_quote($str);
-}
-
-sub cmd2string {
-    my ($cmd) = @_;
-
-    die "no arguments" if !$cmd;
-
-    return $cmd if !ref($cmd);
-
-    my @qa = ();
-    foreach my $arg (@$cmd) { push @qa, shellquote($arg); }
-
-    return join (' ', @qa);
-}
-
-# split an shell argument string into an array,
-sub split_args {
-    my ($str) = @_;
-
-    return $str ? [ Text::ParseWords::shellwords($str) ] : [];
-}
-
-sub dump_logfile {
-    my ($filename, $start, $limit, $filter) = @_;
-
-    my $lines = [];
-    my $count = 0;
-
-    my $fh = IO::File->new($filename, "r");
-    if (!$fh) { 
-	$count++;
-	push @$lines, { n => $count, t => "unable to open file - $!"};
-	return ($count, $lines);
-    }
-
-    $start = 0 if !$start;
-    $limit = 50 if !$limit;
-
-    my $line;
-
-    if ($filter) {
-	# duplicate code, so that we do not slow down normal path
-	while (defined($line = <$fh>)) {
-	    next if $line !~ m/$filter/;
-	    next if $count++ < $start;
-	    next if $limit <= 0;
-	    chomp $line;
-	    push @$lines, { n => $count, t => $line};
-	    $limit--;
-	}
-    } else {
-	while (defined($line = <$fh>)) {
-	    next if $count++ < $start;
-	    next if $limit <= 0;
-	    chomp $line;
-	    push @$lines, { n => $count, t => $line};
-	    $limit--;
-	}
-    }
-
-    close($fh);
-
-    # HACK: ExtJS store.guaranteeRange() does not like empty array
-    # so we add a line
-    if (!$count) {
-	$count++;
-	push @$lines, { n => $count, t => "no content"};
-    }
-
-    return ($count, $lines);
-}
-
-sub dir_glob_regex {
-    my ($dir, $regex) = @_;
-
-    my $dh = IO::Dir->new ($dir);
-    return wantarray ? () : undef if !$dh;
-  
-    while (defined(my $tmp = $dh->read)) { 
-	if (my @res = $tmp =~ m/^($regex)$/) {
-	    $dh->close;
-	    return wantarray ? @res : $tmp;
-	}
-    }
-    $dh->close;
-
-    return wantarray ? () : undef;
-}
-
-sub dir_glob_foreach {
-    my ($dir, $regex, $func) = @_;
-
-    my $dh = IO::Dir->new ($dir);
-    if (defined $dh) {
-	while (defined(my $tmp = $dh->read)) {
-	    if (my @res = $tmp =~ m/^($regex)$/) {
-		&$func (@res);
-	    }
-	}
-    } 
-}
-
-sub assert_if_modified {
-    my ($digest1, $digest2) = @_;
-
-    if ($digest1 && $digest2 && ($digest1 ne $digest2)) {
-	die "detected modified configuration - file changed by other user? Try again.\n";
-    }
-}
-
-# Digest for short strings
-# like FNV32a, but we only return 31 bits (positive numbers)
-sub fnv31a {
-    my ($string) = @_;
-
-    my $hval = 0x811c9dc5;
-
-    foreach my $c (unpack('C*', $string)) {
-	$hval ^= $c;
-	$hval += (
-	    (($hval << 1) ) +
-	    (($hval << 4) ) +
-	    (($hval << 7) ) +
-	    (($hval << 8) ) +
-	    (($hval << 24) ) );
-	$hval = $hval & 0xffffffff;
-    }
-    return $hval & 0x7fffffff;
-}
-
-sub fnv31a_hex { return sprintf("%X", fnv31a(@_)); }
-
-1;