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);

use lib 'lib';
use Sack::Color;

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	dpavlin	102	use lib 'lib';
14			use Sack::Color;
15	dpavlin	92
16			sub new {
17			my $class = shift;
18			my $port = shift;
19			my $self = bless { port => $port }, $class;
20
21			my $pid_path = "/tmp/sack.$port.pid";
22			if ( -e $pid_path ) {
23			my $pid = read_file $pid_path;
24			kill 9, $pid && warn "[$port] kill old $pid\n";
25			}
26			write_file $pid_path, $$;
27
28			my $sock = IO::Socket::INET->new(
29			Listen => SOMAXCONN,
30			LocalAddr => '127.0.0.1',
31			LocalPort => $port,
32			Proto => 'tcp',
33			Reuse => 1,
34			) or die "[$port] die $!";
35
36			warn "[$port] accept\n";
37
38			my $client = $sock->accept();
39
40			warn "[$port] connect from ", $client->peerhost, $/;
41
42			while ( 1 ) {
43
44			my $data = Storable::fd_retrieve( $client );
45	dpavlin	95	warn "[$port] <<<<\n";
46	dpavlin	96	warn "[$port] data = ", dump( $data ) if $self->{debug};
47	dpavlin	92
48			my $result;
49
50			if ( $data->{view} ) {
51			$result = { view => $self->view( $data->{view} ) };
52			} elsif ( $data->{data} ) {
53			$self->{data} = delete $data->{data};
54			$result = { data => 'loaded' };
55			} elsif ( $data->{exit} ) {
56			warn "[$port] exit";
57			exit;
58			} else {
59			warn "[$port] UNKNOWN ", dump( $data ), $/;
60			$result = { 'error' => $data };
61			}
62
63			warn "[$port] >>>>\n";
64			Storable::store_fd( $result => $client );
65			}
66
67			}
68
69	dpavlin	93
70	dpavlin	92	our $rec;
71			our $out;
72
73			sub view {
74			my ( $self, $code ) = @_;
75
76			undef $out;
77
78			my $affected = 0;
79	dpavlin	93	my $start_t = time;
80	dpavlin	92
81			my $coderef = eval "sub { $code }";
82			if ( $@ ) {
83			warn "ABORT code: $@";
84			return;
85			}
86
87
88			foreach my $pos ( 0 .. $#{ $self->{data} } ) {
89	dpavlin	93	$rec = $self->{data}->[$pos];
90	dpavlin	92	if ( ! $rec ) {
91			print STDERR "END @ $pos";
92			last;
93			}
94
95			eval { $coderef->() };
96			if ( $@ ) {
97			warn "ABORT $pos $@\n";
98			last;
99			} else {
100			$affected++;
101			}
102
103			$pos % 10000 == 0 ? print STDERR $pos :
104			$pos % 1000 == 0 ? print STDERR "." : 0 ;
105			};
106
107	dpavlin	93	my $dt = time - $start_t;
108			my $report = [ $self->{port}, $affected, $dt, scalar $self->{data} / $dt ];
109			warn sprintf "[%d] %d affected in %1.4fs %.2f/s\n", @$report;
110	dpavlin	92
111	dpavlin	99	# warn "# out ", dump( $out );
112	dpavlin	93
113			return $out;
114	dpavlin	92	}
115
116			1;