bls: Added a new utility for listing known machines and group

[bex.git] / lib / BEX.pm

diff --git a/lib/BEX.pm b/lib/BEX.pm
index 7d7f99c5bb5d4da949d12466419990ca23f90ce0..579eff29454858a4ebbc636bca41a2529acb6551 100644 (file)
--- a/lib/BEX.pm
+++ b/lib/BEX.pm
@@ -4,195 +4,10 @@
 use strict;
 use warnings;
 
-use BEX::Config;
-
 package BEX;
 
-use IO::File;
-
-use POSIX;
-
-my $log_file;
-
-sub log($) {
-       $log_file //= new IO::File '>>log' or die "Cannot open log: $!";
-       print $log_file POSIX::strftime("%Y-%m-%d %H:%M:%S ", localtime), $_[0], "\n";
-}
-
-package BEX::Job;
-
-use POSIX;
-
-our $job_cnt = 0;
-
-sub new($;$) {
-       my ($class, $id) = @_;
-       my $job = { };
-       bless $job;
-       if (defined $id) {
-               $job->{'ID'} = $id;
-       } else {
-               $job_cnt++;
-               $job->{'ID'} = POSIX::strftime("%Y%m%d-%H%M%S-$$-$job_cnt", localtime);
-       }
-       $job->{'Subject'} = '(no subject)';
-       return $job;
-}
-
-sub new_from_file($$;$) {
-       my ($class, $file, $header_only) = @_;
-       my $job = { };
-       open T, '<', $file or die "Cannot open $file: $!";
-       while (<T>) {
-               chomp;
-               /^$/ and last;
-               /^([A-Z][A-Za-z0-9-]*):\s*(.*)/ or die "Cannot load $file: Header syntax error";
-               !defined $job->{$1} or die "Cannot load $file: Header $1 re-defined";
-               $job->{$1} = $2;
-       }
-       if (!$header_only) {
-               my @cmds = <T>;
-               $job->{'body'} = join("", @cmds);
-       }
-       close T;
-       $job->{'Subject'} //= '?';
-       $job->{'ID'} or die "Cannot load $file: Missing ID";
-       return bless $job;
-}
-
-sub attr($$;$) {
-       my ($job, $attr, $val) = @_;
-       $job->{$attr} = $val if defined $val;
-       return $job->{$attr};
-}
-
-sub dump($) {
-       my ($job) = @_;
-       for my $k (sort keys %$job) {
-               print "$k: ", $job->{$k}, "\n";
-       }
-}
-
-sub save($;$) {
-       my ($job, $fn) = @_;
-       -d "tmp" or mkdir "tmp" or die "Cannot create directory tmp: $!";
-       $fn //= 'tmp/' . $job->{'ID'};
-       open T, '>', $fn or die "Cannot create $fn: $!";
-       for my $k (sort grep { /^[A-Z]/ } keys %$job) {
-               print T "$k: ", $job->{$k}, "\n";
-       }
-       print T "\n";
-       print T $job->{'body'} if defined $job->{'body'};
-       close T;
-       return $fn;
-}
-
-package BEX::Queue;
-
-sub new($;$) {
-       my ($class, $name) = @_;
-       $name //= 'queue';
-       -d $name or die "Queue directory $name does not exist\n";
-       for my $d ("hosts", "jobs") {
-               -d "$name/$d" or mkdir "$name/$d" or die "Cannot create directory $name/$d: $!";
-       }
-       my $queue = {
-               'Name' => $name,
-               'MetaCache' => {},
-       };
-       return bless $queue;
-}
-
-sub host_dir($$) {
-       my ($queue, $machine) = @_;
-       return $queue->{'Name'} . '/hosts/' . $machine;
-}
-
-sub queue_file($$) {
-       my ($queue, $machine, $jid) = @_;
-       return $queue->host_dir($machine) . '/' . $jid . '.job';
-}
-
-sub status_file($$) {
-       my ($queue, $machine, $jid) = @_;
-       return $queue->host_dir($machine) . '/' . $jid . '.stat';
-}
-
-sub temp_file($$) {
-       my ($queue, $machine, $jid) = @_;
-       return $queue->host_dir($machine) . '/' . $jid . '.tmp';
-}
-
-sub job_file($$) {
-       my ($queue, $jid) = @_;
-       return $queue->{'Name'} . '/jobs/' . $jid. '.job';
-}
-
-sub enqueue($$$) {
-       my ($queue, $machine, $job) = @_;
-       my $qf = $queue->queue_file($machine, $job->{'ID'});
-       if (-f $qf) { return 0; }
-       my $fn = $queue->job_file($job->{'ID'});
-       -f $fn or $job->save($fn);
-       my $dir = $queue->host_dir($machine);
-       -d $dir or mkdir $dir or die "Cannot create directory $dir: $!";
-       symlink '../../jobs/' . $job->{'ID'} . '.job', $qf or die "Cannot create $qf: $!";
-       return 1;
-}
-
-sub scan($$) {
-       my ($queue, $machine) = @_;
-       my @list = ();
-       if (opendir D, $queue->host_dir($machine)) {
-               while ($_ = readdir D) {
-                       /^\./ and next;
-                       s{\.job}{} or next;
-                       push @list, $_;
-               }
-               closedir D;
-       }
-       return @list;
-}
-
-sub remove($$) {
-       my ($queue, $machine, $jid) = @_;
-       unlink $queue->queue_file($machine, $jid);
-       unlink $queue->status_file($machine, $jid);
-       unlink $queue->temp_file($machine, $jid);
-}
-
-sub job_metadata($$) {
-       my ($queue, $jid) = @_;
-       my $cache = $queue->{'MetaCache'};
-       if (!defined $cache->{$jid}) {
-               $cache->{$jid} = BEX::Job->new_from_file($queue->job_file($jid), 1);
-       }
-       return $cache->{$jid};
-}
-
-sub read_job_status($$$) {
-       my ($queue, $machine, $jid) = @_;
-       my %s = ();
-       my $sf = $queue->status_file($machine, $jid);
-       if (open S, '<', $sf) {
-               while (<S>) {
-                       chomp;
-                       /^(\w+):\s*(.*)/ or die "Parse error in $sf";
-                       $s{$1} = $2;
-               }
-               close S;
-       }
-       return \%s;
-}
-
-sub write_job_status($$$$) {
-       my ($queue, $machine, $jid, $stat) = @_;
-       my $sf = $queue->status_file($machine, $jid);
-       open S, '>', $sf or die "Cannot create $sf: $!";
-       for my $k (sort keys %$stat) {
-               print S "$k: ", $stat->{$k}, "\n";
-       }
-       close S;
-}
+use BEX::Config;
+use BEX::Job;
+use BEX::Queue;
 
 42;