trunk/bin/sack.pl

#!/usr/bin/perl

use warnings;
use strict;

our $VERSION = '0.04';

use Time::HiRes qw(time);
use Data::Dump qw(dump);
use File::Slurp;
use Getopt::Long;
use IO::Socket::INET;
use Storable qw/freeze thaw store/;


my $debug  = 0;
my $path   = '/data/isi/full.txt';
my $limit  = 5000;
my $offset = 0; 
my @views;
my $port   = 0; # interactive
my @nodes;


GetOptions(
        'path=s'   => \$path,
        'offset=i' => \$offset,
        'limit=i'  => \$limit,
        'view=s'   => \@views,
        'listen|port=i' => \$port,
        'connect=s'   => \@nodes,
        'debug!'   => \$debug,
) or die $!;

my $t = time;


sub send_nodes;

our $prefix;
sub BEGIN {
        $prefix = $0;
        if ( $prefix !~ m{^/} ) {
                chomp( my $pwd = `pwd` );
                $prefix = "$pwd/$prefix";
        }
        $prefix =~ s{^(.*)/srv/Sack/.+$}{$1};
        warn "# prefix $prefix";

        $SIG{INT} = sub {
                my $signame = shift;
                send_nodes 'exit';
                #clean if $clean;       # FIXME
                die "SIG$signame";
        };
}

use lib "$prefix/srv/Sack/lib/";
use Sack::Digest;
our $digest = Sack::Digest->new( port => $port, clean => 1 );
sub digest { $digest->to_int($_[0]) }

use lib "$prefix/srv/webpac2/lib/";
use WebPAC::Input::ISI;

$WebPAC::Input::ISI::subfields = undef; # disable parsing of subfields

my $input = WebPAC::Input::ISI->new(
        path   => "$prefix/$path",
        offset => $offset,
        limit  => $limit,
);

our $num_records = $input->size;

sub report {
        my $description = join(' ',@_);
        my $dt = time - $t;
        printf "%s in %1.4fs %.2f/s\n", $description, $dt, $input->size / $dt;
        $t = time;
}


report $input->size . ' records loaded';

mkdir 'out' unless -e 'out';

our $out;

our $cache;

our $connected;

sub send_nodes {
        my $content = $#_ > 0 ? pop @_ : '';    # no content with just one argument!
        my $header = defined $content ? length($content) : 0;
        $header .= ' ' . join(' ', @_) if @_;

        foreach my $node ( @nodes ) {

                my $sock = IO::Socket::INET->new(
                        PeerAddr => '127.0.0.1',
                        PeerPort => $node,
                        Proto    => 'tcp',
                );

                if ( ! $sock ) {
                        warn "can't connect to $node - $!"; # FIXME die?
                        next;
                }

                warn "[$port] >>>> $node $header\n";
                print $sock "$header\n$content" || warn "can't send $header to $node: $!";

                $connected->{$node} = $sock;
        }
}

sub get_node {
        my $node = shift;

        my $sock = $connected->{$node};
        if ( ! $sock ) {
                warn "[$port] ERROR lost connection to $node";
                delete $connected->{$node};
                return;
        }
        chomp( my $size = <$sock> );
        warn "[$port] <<<< $node $size bytes\n" if $debug || $size > 1024;
        my $data;
        read $sock, $data, $size;
        return $data;
}

sub send_sock {
        my ( $sock, $data ) = @_;
        my $size   = length $data;
        warn "[$port] >>>> $size bytes\n" if $debug || $size > 1024;
        print $sock "$size\n$data" || warn "can't send $size bytes to ", $sock->peerhost;
}

sub merge_out {
        my ( $from_node, $new ) = @_;

        warn "### merge $from_node";

        my $from_port = $from_node;
        $from_port =~ s{.+:(\d+)$}{$1};

        my $remote_digest = Sack::Digest->new( port => $from_port );
        my ( $local, $remote ) = ( 0, 0 );

        foreach my $k1 ( keys %$new ) {

                foreach my $k2 ( keys %{ $new->{$k1} } ) {

                        my $n   = delete $new->{$k1}->{$k2};

                        if ( $k1 =~ m{#} ) {
                                die "ASSERT $k1 $k2" unless $k2 =~ m{^\d+$};
#warn "XXX $k1 $k2";
                                my $md5 = $remote_digest->{nr_md5}->[$k2] || warn "[$port] no2md5 $n not found in $from_port\n";
                                if ( my $local_k2 = $digest->{md5_nr}->{$md5} ) {
                                        $k2 = $local_k2;
                                        $local++;
                                } else {
                                        $k2 = $digest->to_int( $remote_digest->{md5}->{$md5} );
                                        $remote++;
                                }
                        }

                        my $ref = ref    $out->{$k1}->{$k2};
#warn "XXXX $k1 $k2 $ref";
                        if ( ! defined $out->{$k1}->{$k2} ) {
                                $out->{$k1}->{$k2} = $n;
                        } elsif ( $k1 =~ m{\+} ) {
#                               warn "## agregate $k1 $k2";
                                $out->{$k1}->{$k2} += $n;
                        } elsif ( $ref  eq 'ARRAY' ) {
                                if ( ref $n eq 'ARRAY' ) {
                                        push @{ $out->{$k1}->{$k2} }, $_ foreach @$n;
                                } else {
                                        push @{ $out->{$k1}->{$k2} }, $n;
                                }
                        } elsif ( $ref eq '' ) {
                                $out->{$k1}->{$k2} = [ $out->{$k1}->{$k2}, $n ];
                        } else {
                                die "can't merge $k2 [$ref] from ",dump($n), " into ", dump($out->{$k1}->{$k2});
                        }
                }
        }

        warn "[$port] merge local $local remote $remote from $from_port\n";
        warn "## merge out ", dump $out if $debug;
}

sub run_code {
        my ( $view, $code ) = @_;

        warn "\n#### CODE $view START ####\n$code\n#### CODE $view END ####\n" if $debug;

        send_nodes view => $view => $code;

        undef $out;

        my $affected = 0;
        $t = time;

        foreach my $pos ( $offset + 1 .. $offset + $input->size ) {
                my $rec = $cache->{$pos} ||= $input->fetch_rec( $pos );
                if ( ! $rec ) {
                        print STDERR "END @ $pos";
                        last;
                }

                eval "$code";
                if ( $@ ) {
                        warn "ABORT $pos $@\n";
                        last;
                } else {
                        $affected++;
                }

                $pos % 10000 == 0 ? print STDERR $pos :
                $pos % 1000  == 0 ? print STDERR "."  : 0 ;
        };

        report "\n[$port] RECS $affected $view";

        warn "WARN no \$out defined!" unless defined $out;

        $digest->sync;

        if ( $connected ) {
                foreach my $node ( keys %$connected ) {
                        warn "[$port] get_node $node\n";
                        my $o = get_node $node;
                        my $s = length $o;
                        $o = thaw $o;
                        warn "[$port] merge $node $s bytes\n";
                        merge_out $node => $o;
                }
        }
}

sub run_views {
        @views = sort glob 'views/*.pl' unless @views;
        warn "# views ", dump @views;

        foreach my $view ( @views ) {

                next if system("perl -c $view") != 0;

                my $code = read_file $view;

                run_code $view => $code;

                if ( defined $out ) {

                        my $path = $view;
                        $path =~ s{views?/}{out/} || die "no view in $view";
                        $path =~ s{\.pl}{.storable};

                        unlink "$path.last" if -e "$path.last";
                        rename $path, "$path.last";

                        store $out => $path;
                        report "[$port] SAVE $path $offset-$limit", -s $path, "bytes";

                        if ( -s $path < 4096 ) {
                                print '$out = ', dump $digest->undigest_out($out);
                        }
                }

        }

}


sub info_tabs {
        "$port\t$offset\t$limit\t$num_records\t$path\t"
        . join("\t", map {
                my $b = $_;
                $b =~ s{^.+\.$port\.([^/]+)$}{$1};
                "$b " . -s $_
        } glob "/dev/shm/sack.$port.*" );
}


if ( $port ) {
        my $sock = IO::Socket::INET->new(
                Listen    => SOMAXCONN,
                LocalAddr => '127.0.0.1',
                LocalPort => $port,
                Proto     => 'tcp',
                Reuse     => 1,
        ) or die $!;

        while (1) {

                warn "[$port] READY path: $path offset: $offset limit: $limit #recs: $num_records\n";

                my $client = $sock->accept();

                warn "[$port] <<<< connect from ", $client->peerhost, $/;

                my @header = split(/\s/, <$client>);
                warn "[$port] <<<< header ",dump(@header),$/;

                my $size = shift @header;

                my $content;
                read $client, $content, $size;

                if ( $header[0] eq 'view' ) {
                        run_code $header[1] => $content;
                        send_sock $client => freeze $out;
                } elsif ( $header[0] eq 'info' ) {
                        my $info = info_tabs;
                        warn "[$port] info $info\n";
                        send_sock $client => $info;
                } elsif ( $header[0] eq 'exit' ) {
                        warn "[$port] exit";
                        exit;
                } else {
                        warn "[$port] UNKNOWN $header[0]";
                }

        }
}

sub info {
        send_nodes 'info' => $2;

        my @info = (
                "port\toffset\tlimit\t#recs\tpath",
                "----\t------\t-----\t-----\t----",
                info_tabs,
        );

        push @info, get_node $_ foreach @nodes;

        print "[$port] INFO\n"
                , join("\n", @info)
                , "\n\n" ;

        return @info;
}

info;
run_views;

while ( 1 ) {

        print "sack> ";
        chomp( my $cmd = <STDIN> );

        if ( $cmd =~ m{^(h|\?)} ) {
                print << "__HELP__"
Sacks Lorry v$VERSION - path: $path offset: $offset limit: $limit

        View Run        run views
        VI \\e Output   show output of last run
        Info [\$VERSION]        instrospect
        Quit EXit       shutdown

__HELP__
        } elsif ( $cmd =~ m{^(vi|\\e|o)}i ) {
                #system "vi out/*";
                $digest->sync;
                system "bin/storableedit.pl", (glob('out/*.storable'))[0];
        } elsif ( $cmd =~ m{^i(?:nfo)?\s?(.+)?$}i ) {
                info;
        } elsif ( $cmd =~ m{^(q|e|x)}i ) {
                warn "# exit";
                send_nodes 'exit';
                exit;
        } elsif ( $cmd =~ m{^(v|r)}i ) {
                run_views;
        } elsif ( $cmd =~ m{^n(ode)?\s*(\d+)}i ) {
                push @nodes, $1;
                info;
        } elsif ( $cmd ) {
                warn "UNKNOWN ", dump $cmd;
        }

}

1	dpavlin	1	#!/usr/bin/perl
2
3			use warnings;
4			use strict;
5
6	dpavlin	50	our $VERSION = '0.04';
7	dpavlin	21
8	dpavlin	1	use Time::HiRes qw(time);
9			use Data::Dump qw(dump);
10			use File::Slurp;
11	dpavlin	4	use Getopt::Long;
12	dpavlin	11	use IO::Socket::INET;
13	dpavlin	30	use Storable qw/freeze thaw store/;
14	dpavlin	1
15	dpavlin	4
16	dpavlin	19	my $debug = 0;
17	dpavlin	4	my $path = '/data/isi/full.txt';
18	dpavlin	11	my $limit = 5000;
19	dpavlin	4	my $offset = 0;
20	dpavlin	6	my @views;
21	dpavlin	30	my $port = 0; # interactive
22	dpavlin	11	my @nodes;
23	dpavlin	4
24
25			GetOptions(
26			'path=s' => \$path,
27			'offset=i' => \$offset,
28			'limit=i' => \$limit,
29	dpavlin	6	'view=s' => \@views,
30	dpavlin	30	'listen\|port=i' => \$port,
31	dpavlin	11	'connect=s' => \@nodes,
32	dpavlin	19	'debug!' => \$debug,
33	dpavlin	5	) or die $!;
34	dpavlin	4
35	dpavlin	1	my $t = time;
36
37	dpavlin	12
38	dpavlin	21	sub send_nodes;
39
40	dpavlin	12	our $prefix;
41	dpavlin	21	sub BEGIN {
42	dpavlin	12	$prefix = $0;
43	dpavlin	30	if ( $prefix !~ m{^/} ) {
44	dpavlin	12	chomp( my $pwd = `pwd` );
45			$prefix = "$pwd/$prefix";
46			}
47	dpavlin	51	$prefix =~ s{^(.*)/srv/Sack/.+$}{$1};
48	dpavlin	12	warn "# prefix $prefix";
49	dpavlin	21
50			$SIG{INT} = sub {
51			my $signame = shift;
52			send_nodes 'exit';
53	dpavlin	33	#clean if $clean; # FIXME
54	dpavlin	21	die "SIG$signame";
55			};
56	dpavlin	12	}
57
58	dpavlin	33	use lib "$prefix/srv/Sack/lib/";
59			use Sack::Digest;
60	dpavlin	45	our $digest = Sack::Digest->new( port => $port, clean => 1 );
61			sub digest { $digest->to_int($_[0]) }
62	dpavlin	12
63			use lib "$prefix/srv/webpac2/lib/";
64	dpavlin	1	use WebPAC::Input::ISI;
65	dpavlin	24
66			$WebPAC::Input::ISI::subfields = undef; # disable parsing of subfields
67
68	dpavlin	1	my $input = WebPAC::Input::ISI->new(
69	dpavlin	12	path => "$prefix/$path",
70	dpavlin	4	offset => $offset,
71			limit => $limit,
72	dpavlin	1	);
73
74	dpavlin	25	our $num_records = $input->size;
75	dpavlin	1
76			sub report {
77	dpavlin	30	my $description = join(' ',@_);
78	dpavlin	1	my $dt = time - $t;
79			printf "%s in %1.4fs %.2f/s\n", $description, $dt, $input->size / $dt;
80	dpavlin	10	$t = time;
81	dpavlin	1	}
82
83
84			report $input->size . ' records loaded';
85
86			mkdir 'out' unless -e 'out';
87
88	dpavlin	5	our $out;
89
90	dpavlin	8	our $cache;
91
92	dpavlin	13	our $connected;
93
94	dpavlin	11	sub send_nodes {
95	dpavlin	17	my $content = $#_ > 0 ? pop @_ : ''; # no content with just one argument!
96	dpavlin	21	my $header = defined $content ? length($content) : 0;
97	dpavlin	11	$header .= ' ' . join(' ', @_) if @_;
98
99			foreach my $node ( @nodes ) {
100
101			my $sock = IO::Socket::INET->new(
102	dpavlin	56	PeerAddr => '127.0.0.1',
103			PeerPort => $node,
104	dpavlin	11	Proto => 'tcp',
105	dpavlin	16	);
106	dpavlin	11
107	dpavlin	16	if ( ! $sock ) {
108			warn "can't connect to $node - $!"; # FIXME die?
109			next;
110			}
111
112	dpavlin	30	warn "[$port] >>>> $node $header\n";
113	dpavlin	11	print $sock "$header\n$content" \|\| warn "can't send $header to $node: $!";
114
115	dpavlin	13	$connected->{$node} = $sock;
116	dpavlin	11	}
117			}
118
119	dpavlin	16	sub get_node {
120			my $node = shift;
121
122			my $sock = $connected->{$node};
123			if ( ! $sock ) {
124	dpavlin	30	warn "[$port] ERROR lost connection to $node";
125	dpavlin	16	delete $connected->{$node};
126			return;
127			}
128			chomp( my $size = <$sock> );
129	dpavlin	58	warn "[$port] <<<< $node $size bytes\n" if $debug \|\| $size > 1024;
130	dpavlin	16	my $data;
131			read $sock, $data, $size;
132			return $data;
133			}
134
135			sub send_sock {
136			my ( $sock, $data ) = @_;
137			my $size = length $data;
138	dpavlin	58	warn "[$port] >>>> $size bytes\n" if $debug \|\| $size > 1024;
139	dpavlin	16	print $sock "$size\n$data" \|\| warn "can't send $size bytes to ", $sock->peerhost;
140			}
141
142	dpavlin	13	sub merge_out {
143	dpavlin	50	my ( $from_node, $new ) = @_;
144	dpavlin	13
145	dpavlin	50	warn "### merge $from_node";
146
147			my $from_port = $from_node;
148			$from_port =~ s{.+:(\d+)$}{$1};
149
150			my $remote_digest = Sack::Digest->new( port => $from_port );
151			my ( $local, $remote ) = ( 0, 0 );
152
153	dpavlin	13	foreach my $k1 ( keys %$new ) {
154
155			foreach my $k2 ( keys %{ $new->{$k1} } ) {
156
157	dpavlin	30	my $n = delete $new->{$k1}->{$k2};
158	dpavlin	50
159			if ( $k1 =~ m{#} ) {
160			die "ASSERT $k1 $k2" unless $k2 =~ m{^\d+$};
161			#warn "XXX $k1 $k2";
162			my $md5 = $remote_digest->{nr_md5}->[$k2] \|\| warn "[$port] no2md5 $n not found in $from_port\n";
163			if ( my $local_k2 = $digest->{md5_nr}->{$md5} ) {
164			$k2 = $local_k2;
165			$local++;
166			} else {
167			$k2 = $digest->to_int( $remote_digest->{md5}->{$md5} );
168			$remote++;
169			}
170			}
171
172	dpavlin	30	my $ref = ref $out->{$k1}->{$k2};
173	dpavlin	50	#warn "XXXX $k1 $k2 $ref";
174	dpavlin	13	if ( ! defined $out->{$k1}->{$k2} ) {
175			$out->{$k1}->{$k2} = $n;
176			} elsif ( $k1 =~ m{\+} ) {
177	dpavlin	19	# warn "## agregate $k1 $k2";
178	dpavlin	13	$out->{$k1}->{$k2} += $n;
179	dpavlin	21	} elsif ( $ref eq 'ARRAY' ) {
180			if ( ref $n eq 'ARRAY' ) {
181			push @{ $out->{$k1}->{$k2} }, $_ foreach @$n;
182			} else {
183			push @{ $out->{$k1}->{$k2} }, $n;
184			}
185	dpavlin	13	} elsif ( $ref eq '' ) {
186			$out->{$k1}->{$k2} = [ $out->{$k1}->{$k2}, $n ];
187			} else {
188			die "can't merge $k2 [$ref] from ",dump($n), " into ", dump($out->{$k1}->{$k2});
189			}
190			}
191			}
192
193	dpavlin	50	warn "[$port] merge local $local remote $remote from $from_port\n";
194	dpavlin	19	warn "## merge out ", dump $out if $debug;
195	dpavlin	13	}
196
197	dpavlin	11	sub run_code {
198			my ( $view, $code ) = @_;
199
200	dpavlin	21	warn "\n#### CODE $view START ####\n$code\n#### CODE $view END ####\n" if $debug;
201	dpavlin	11
202			send_nodes view => $view => $code;
203
204			undef $out;
205
206			my $affected = 0;
207			$t = time;
208
209			foreach my $pos ( $offset + 1 .. $offset + $input->size ) {
210			my $rec = $cache->{$pos} \|\|= $input->fetch_rec( $pos );
211			if ( ! $rec ) {
212	dpavlin	41	print STDERR "END @ $pos";
213	dpavlin	11	last;
214			}
215
216			eval "$code";
217			if ( $@ ) {
218	dpavlin	41	warn "ABORT $pos $@\n";
219	dpavlin	20	last;
220	dpavlin	11	} else {
221			$affected++;
222			}
223	dpavlin	30
224	dpavlin	40	$pos % 10000 == 0 ? print STDERR $pos :
225			$pos % 1000 == 0 ? print STDERR "." : 0 ;
226	dpavlin	11	};
227
228	dpavlin	30	report "\n[$port] RECS $affected $view";
229	dpavlin	11
230			warn "WARN no \$out defined!" unless defined $out;
231	dpavlin	13
232	dpavlin	46	$digest->sync;
233
234	dpavlin	13	if ( $connected ) {
235	dpavlin	24	foreach my $node ( keys %$connected ) {
236	dpavlin	30	warn "[$port] get_node $node\n";
237	dpavlin	24	my $o = get_node $node;
238			my $s = length $o;
239			$o = thaw $o;
240	dpavlin	30	warn "[$port] merge $node $s bytes\n";
241	dpavlin	50	merge_out $node => $o;
242	dpavlin	24	}
243	dpavlin	13	}
244	dpavlin	11	}
245
246	dpavlin	1	sub run_views {
247	dpavlin	6	@views = sort glob 'views/*.pl' unless @views;
248	dpavlin	1	warn "# views ", dump @views;
249
250			foreach my $view ( @views ) {
251
252			next if system("perl -c $view") != 0;
253
254			my $code = read_file $view;
255
256	dpavlin	11	run_code $view => $code;
257	dpavlin	1
258	dpavlin	11	if ( defined $out ) {
259	dpavlin	1
260	dpavlin	11	my $path = $view;
261			$path =~ s{views?/}{out/} \|\| die "no view in $view";
262	dpavlin	30	$path =~ s{\.pl}{.storable};
263	dpavlin	1
264	dpavlin	9	unlink "$path.last" if -e "$path.last";
265			rename $path, "$path.last";
266	dpavlin	30
267			store $out => $path;
268	dpavlin	31	report "[$port] SAVE $path $offset-$limit", -s $path, "bytes";
269	dpavlin	35
270			if ( -s $path < 4096 ) {
271	dpavlin	45	print '$out = ', dump $digest->undigest_out($out);
272	dpavlin	35	}
273	dpavlin	11	}
274
275			}
276
277			}
278
279	dpavlin	35
280			sub info_tabs {
281			"$port\t$offset\t$limit\t$num_records\t$path\t"
282	dpavlin	36	. join("\t", map {
283	dpavlin	35	my $b = $_;
284	dpavlin	46	$b =~ s{^.+\.$port\.([^/]+)$}{$1};
285	dpavlin	35	"$b " . -s $_
286	dpavlin	46	} glob "/dev/shm/sack.$port.*" );
287	dpavlin	35	}
288
289
290	dpavlin	30	if ( $port ) {
291	dpavlin	11	my $sock = IO::Socket::INET->new(
292			Listen => SOMAXCONN,
293	dpavlin	21	LocalAddr => '127.0.0.1',
294	dpavlin	30	LocalPort => $port,
295	dpavlin	11	Proto => 'tcp',
296			Reuse => 1,
297			) or die $!;
298
299			while (1) {
300
301	dpavlin	30	warn "[$port] READY path: $path offset: $offset limit: $limit #recs: $num_records\n";
302	dpavlin	11
303			my $client = $sock->accept();
304
305	dpavlin	30	warn "[$port] <<<< connect from ", $client->peerhost, $/;
306	dpavlin	11
307			my @header = split(/\s/, <$client>);
308	dpavlin	30	warn "[$port] <<<< header ",dump(@header),$/;
309	dpavlin	11
310			my $size = shift @header;
311
312			my $content;
313			read $client, $content, $size;
314
315			if ( $header[0] eq 'view' ) {
316			run_code $header[1] => $content;
317	dpavlin	16	send_sock $client => freeze $out;
318			} elsif ( $header[0] eq 'info' ) {
319	dpavlin	35	my $info = info_tabs;
320	dpavlin	30	warn "[$port] info $info\n";
321	dpavlin	16	send_sock $client => $info;
322			} elsif ( $header[0] eq 'exit' ) {
323	dpavlin	30	warn "[$port] exit";
324	dpavlin	16	exit;
325	dpavlin	5	} else {
326	dpavlin	30	warn "[$port] UNKNOWN $header[0]";
327	dpavlin	1	}
328
329			}
330			}
331
332	dpavlin	30	sub info {
333			send_nodes 'info' => $2;
334
335			my @info = (
336	dpavlin	36	"port\toffset\tlimit\t#recs\tpath",
337			"----\t------\t-----\t-----\t----",
338	dpavlin	35	info_tabs,
339	dpavlin	30	);
340
341			push @info, get_node $_ foreach @nodes;
342
343			print "[$port] INFO\n"
344			, join("\n", @info)
345			, "\n\n" ;
346
347			return @info;
348			}
349
350			info;
351	dpavlin	3	run_views;
352
353	dpavlin	1	while ( 1 ) {
354
355			print "sack> ";
356	dpavlin	21	chomp( my $cmd = <STDIN> );
357	dpavlin	1
358	dpavlin	21	if ( $cmd =~ m{^(h\|\?)} ) {
359			print << "__HELP__"
360			Sacks Lorry v$VERSION - path: $path offset: $offset limit: $limit
361
362			View Run run views
363			VI \\e Output show output of last run
364			Info [\$VERSION] instrospect
365			Quit EXit shutdown
366
367			__HELP__
368			} elsif ( $cmd =~ m{^(vi\|\\e\|o)}i ) {
369	dpavlin	33	#system "vi out/*";
370	dpavlin	53	$digest->sync;
371	dpavlin	33	system "bin/storableedit.pl", (glob('out/*.storable'))[0];
372	dpavlin	21	} elsif ( $cmd =~ m{^i(?:nfo)?\s?(.+)?$}i ) {
373	dpavlin	30	info;
374	dpavlin	21	} elsif ( $cmd =~ m{^(q\|e\|x)}i ) {
375	dpavlin	16	warn "# exit";
376			send_nodes 'exit';
377			exit;
378	dpavlin	21	} elsif ( $cmd =~ m{^(v\|r)}i ) {
379	dpavlin	3	run_views;
380	dpavlin	55	} elsif ( $cmd =~ m{^n(ode)?\s*(\d+)}i ) {
381			push @nodes, $1;
382			info;
383	dpavlin	21	} elsif ( $cmd ) {
384			warn "UNKNOWN ", dump $cmd;
385	dpavlin	3	}
386
387	dpavlin	1	}
388