lib/Sack/View.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	dpavlin	92	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	dpavlin	93	use Time::HiRes qw(time);
12	dpavlin	92
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( $client );
43	dpavlin	95	warn "[$port] <<<<\n";
44	dpavlin	96	warn "[$port] data = ", dump( $data ) if $self->{debug};
45	dpavlin	92
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	dpavlin	93
68	dpavlin	92	our $rec;
69			our $out;
70
71			sub view {
72			my ( $self, $code ) = @_;
73
74			undef $out;
75
76			my $affected = 0;
77	dpavlin	93	my $start_t = time;
78	dpavlin	92
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	dpavlin	93	$rec = $self->{data}->[$pos];
88	dpavlin	92	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	dpavlin	93	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	dpavlin	92
109	dpavlin	99	# warn "# out ", dump( $out );
110	dpavlin	93
111			return $out;
112	dpavlin	92	}
113
114			1;