trunk/bin/lorry.pl

#!/usr/bin/perl

use warnings;
use strict;

use Data::Dump qw(dump);
use File::Slurp;

use lib 'lib';
use Sack::From;
use Sack::Lorry;

my $view   = 'views/00.demo.pl';
my $offset = 0;
my $limit  = 5;
my @cloud  = ( 'localhost', 'localhost' );


my $lorry = Sack::Lorry->new;

my $from  = Sack::From->new(
        path => '/data/isi/full.txt',
        limit => $limit * scalar @cloud,
);

my $info;

foreach my $host ( @cloud ) {
        if ( my $port = $lorry->start_node( $host ) ) {

                warn "started [$port] on $host\n";

                my $data = $from->shard( $limit );
                $lorry->send_to( $port, { data => $data } ) || die "can't send to $port: $!";

                $info->{$port} = {
                        host => $host,
                        offset => $offset,
                        limit => $limit,
                };

                $offset += $limit;

        } else {
                warn "[$port] skipped";
        }
}

warn "info ",dump $info;

warn "load status ", dump( $lorry->get_from_all );

warn "run view $view ", -s $view, " bytes\n";
my $view_code = read_file($view);
$lorry->send_to_all({ view => $view_code });
warn "result ", dump( $lorry->get_from_all );

warn "exit all nodes\n";
$lorry->send_to_all( { exit => 1 } );

1	#!/usr/bin/perl
2
3	use warnings;
4	use strict;
5
6	use Data::Dump qw(dump);
7	use File::Slurp;
8
9	use lib 'lib';
10	use Sack::From;
11	use Sack::Lorry;
12
13	my $view = 'views/00.demo.pl';
14	my $offset = 0;
15	my $limit = 5;
16	my @cloud = ( 'localhost', 'localhost' );
17
18
19	my $lorry = Sack::Lorry->new;
20
21	my $from = Sack::From->new(
22	path => '/data/isi/full.txt',
23	limit => $limit * scalar @cloud,
24	);
25
26	my $info;
27
28	foreach my $host ( @cloud ) {
29	if ( my $port = $lorry->start_node( $host ) ) {
30
31	warn "started [$port] on $host\n";
32
33	my $data = $from->shard( $limit );
34	$lorry->send_to( $port, { data => $data } ) \|\| die "can't send to $port: $!";
35
36	$info->{$port} = {
37	host => $host,
38	offset => $offset,
39	limit => $limit,
40	};
41
42	$offset += $limit;
43
44	} else {
45	warn "[$port] skipped";
46	}
47	}
48
49	warn "info ",dump $info;
50
51	warn "load status ", dump( $lorry->get_from_all );
52
53	warn "run view $view ", -s $view, " bytes\n";
54	my $view_code = read_file($view);
55	$lorry->send_to_all({ view => $view_code });
56	warn "result ", dump( $lorry->get_from_all );
57
58	warn "exit all nodes\n";
59	$lorry->send_to_all( { exit => 1 } );
60