lib/Sack/Node.pm

package Sack::Node;

use warnings;
use strict;

use IO::Socket::INET;
use File::Slurp;
use Carp qw(confess);
use Data::Dump qw(dump);
use Storable;
use Time::HiRes qw(time);


sub new {
        my $class = shift;
        my $port = shift;
        my $self  = bless { port => $port }, $class;

        my $pid_path = "/tmp/sack.$port.pid";
        if ( -e $pid_path ) {
                my $pid = read_file $pid_path;
                kill 9, $pid && warn "[$port] kill old $pid\n";
        }
        write_file $pid_path, $$;

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

        warn "[$port] accept\n";

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

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

        while ( 1 ) {

                my $data = Storable::fd_retrieve( $client );
                warn "[$port] <<<<\n";
                warn "[$port] data = ", dump( $data ) if $self->{debug};

                my $result;

                if ( $data->{view} ) {
                        $result = { view => $self->view( $data->{view} ) };
                } elsif ( $data->{data} ) {
                        $self->{data} = delete $data->{data};
                        $result = { data => 'loaded' };
                } elsif ( $data->{exit} ) {
                        warn "[$port] exit";
                        exit;
                } else {
                        warn "[$port] UNKNOWN ", dump( $data ), $/;
                        $result = { 'error' => $data };
                }

                warn "[$port] >>>>\n";
                Storable::store_fd( $result => $client );
        }

}


our $rec;
our $out;

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

        undef $out;

        my $affected = 0;
        my $start_t = time;

        my $coderef = eval "sub { $code }";
        if ( $@ ) {
                warn "ABORT code: $@";
                return;
        }


        foreach my $pos ( 0 .. $#{ $self->{data} } ) {
                $rec = $self->{data}->[$pos];
                if ( ! $rec ) {
                        print STDERR "END @ $pos";
                        last;
                }

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

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

        my $dt = time - $start_t;
        my $report = [ $self->{port}, $affected, $dt, scalar $self->{data} / $dt ];
        warn sprintf "[%d] %d affected in %1.4fs %.2f/s\n", @$report;

        warn "out ", dump( $out );

        return $out;
}

1;
1	package Sack::Node;
2
3	use warnings;
4	use strict;
5
6	use IO::Socket::INET;
7	use File::Slurp;
8	use Carp qw(confess);
9	use Data::Dump qw(dump);
10	use Storable;
11	use Time::HiRes qw(time);
12
13
14	sub new {
15	my $class = shift;
16	my $port = shift;
17	my $self = bless { port => $port }, $class;
18
19	my $pid_path = "/tmp/sack.$port.pid";
20	if ( -e $pid_path ) {
21	my $pid = read_file $pid_path;
22	kill 9, $pid && warn "[$port] kill old $pid\n";
23	}
24	write_file $pid_path, $$;
25
26	my $sock = IO::Socket::INET->new(
27	Listen => SOMAXCONN,
28	LocalAddr => '127.0.0.1',
29	LocalPort => $port,
30	Proto => 'tcp',
31	Reuse => 1,
32	) or die "[$port] die $!";
33
34	warn "[$port] accept\n";
35
36	my $client = $sock->accept();
37
38	warn "[$port] connect from ", $client->peerhost, $/;
39
40	while ( 1 ) {
41
42	my $data = Storable::fd_retrieve( $client );
43	warn "[$port] <<<<\n";
44	warn "[$port] data = ", dump( $data ) if $self->{debug};
45
46	my $result;
47
48	if ( $data->{view} ) {
49	$result = { view => $self->view( $data->{view} ) };
50	} elsif ( $data->{data} ) {
51	$self->{data} = delete $data->{data};
52	$result = { data => 'loaded' };
53	} elsif ( $data->{exit} ) {
54	warn "[$port] exit";
55	exit;
56	} else {
57	warn "[$port] UNKNOWN ", dump( $data ), $/;
58	$result = { 'error' => $data };
59	}
60
61	warn "[$port] >>>>\n";
62	Storable::store_fd( $result => $client );
63	}
64
65	}
66
67
68	our $rec;
69	our $out;
70
71	sub view {
72	my ( $self, $code ) = @_;
73
74	undef $out;
75
76	my $affected = 0;
77	my $start_t = time;
78
79	my $coderef = eval "sub { $code }";
80	if ( $@ ) {
81	warn "ABORT code: $@";
82	return;
83	}
84
85
86	foreach my $pos ( 0 .. $#{ $self->{data} } ) {
87	$rec = $self->{data}->[$pos];
88	if ( ! $rec ) {
89	print STDERR "END @ $pos";
90	last;
91	}
92
93	eval { $coderef->() };
94	if ( $@ ) {
95	warn "ABORT $pos $@\n";
96	last;
97	} else {
98	$affected++;
99	}
100
101	$pos % 10000 == 0 ? print STDERR $pos :
102	$pos % 1000 == 0 ? print STDERR "." : 0 ;
103	};
104
105	my $dt = time - $start_t;
106	my $report = [ $self->{port}, $affected, $dt, scalar $self->{data} / $dt ];
107	warn sprintf "[%d] %d affected in %1.4fs %.2f/s\n", @$report;
108
109	warn "out ", dump( $out );
110
111	return $out;
112	}
113
114	1;