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;

our $VERSION = '0.08';

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 $VERSION\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 = $self->view( $data->{view} );
                } elsif ( $data->{data} ) {
                        $self->{data} = delete $data->{data};
                        $result = { data => 'loaded' };
                } elsif ( $data->{exit} ) {
                        warn "[$port] exit";
                        close $sock;
                        exit;
                } elsif ( $data->{restart} ) {
                        warn "[$port] restart";
                        close $sock;
                        exec "$0 $port";
                } elsif ( $data->{info} ) {
                        $result = {
                                version => $VERSION,
                                size => $#{ $self->{data} } + 1,
                        };
                } elsif ( my $sh = delete $data->{sh} ) {
                        $result = { sh => scalar `$sh` };
                } 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, $affected / $dt ];
        warn sprintf "[%d] %d affected in %1.4fs %.2f/s\n", @$report;

#       warn "# out ", dump( $out );

        return {
                out => $out,
                report => $report,
        };
}

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	use lib 'lib';
14	use Sack::Color;
15
16	our $VERSION = '0.08';
17
18	sub new {
19	my $class = shift;
20	my $port = shift;
21	my $self = bless { port => $port }, $class;
22
23	my $pid_path = "/tmp/sack.$port.pid";
24	if ( -e $pid_path ) {
25	my $pid = read_file $pid_path;
26	kill 9, $pid; # warn "[$port] kill old $pid\n";
27	}
28	write_file $pid_path, $$;
29
30	my $sock = IO::Socket::INET->new(
31	Listen => SOMAXCONN,
32	LocalAddr => '127.0.0.1',
33	LocalPort => $port,
34	Proto => 'tcp',
35	Reuse => 1,
36	) or die "[$port] die $!";
37
38	warn "[$port] accept $VERSION\n";
39
40	my $client = $sock->accept();
41
42	warn "[$port] connect from ", $client->peerhost, $/;
43
44	while ( 1 ) {
45
46	my $data = Storable::fd_retrieve( $client );
47	# warn "[$port] <<<<\n";
48	warn "[$port] data = ", dump( $data ) if $self->{debug};
49
50	my $result;
51
52	if ( $data->{view} ) {
53	$result = $self->view( $data->{view} );
54	} elsif ( $data->{data} ) {
55	$self->{data} = delete $data->{data};
56	$result = { data => 'loaded' };
57	} elsif ( $data->{exit} ) {
58	warn "[$port] exit";
59	close $sock;
60	exit;
61	} elsif ( $data->{restart} ) {
62	warn "[$port] restart";
63	close $sock;
64	exec "$0 $port";
65	} elsif ( $data->{info} ) {
66	$result = {
67	version => $VERSION,
68	size => $#{ $self->{data} } + 1,
69	};
70	} elsif ( my $sh = delete $data->{sh} ) {
71	$result = { sh => scalar `$sh` };
72	} else {
73	warn "[$port] UNKNOWN ", dump( $data ), $/;
74	$result = { 'error' => $data };
75	}
76
77	# warn "[$port] >>>>\n";
78	Storable::store_fd( $result => $client );
79	}
80
81	}
82
83
84	our $rec;
85	our $out;
86
87	sub view {
88	my ( $self, $code ) = @_;
89
90	undef $out;
91
92	my $affected = 0;
93	my $start_t = time;
94
95	my $coderef = eval "sub { $code }";
96	if ( $@ ) {
97	warn "ABORT code: $@";
98	return;
99	}
100
101
102	foreach my $pos ( 0 .. $#{ $self->{data} } ) {
103	$rec = $self->{data}->[$pos];
104	if ( ! $rec ) {
105	print STDERR "END @ $pos";
106	last;
107	}
108
109	eval { $coderef->() };
110	if ( $@ ) {
111	warn "ABORT $pos $@\n";
112	last;
113	} else {
114	$affected++;
115	}
116
117	$pos % 10000 == 0 ? print STDERR $pos :
118	$pos % 1000 == 0 ? print STDERR "." : 0 ;
119	};
120
121	my $dt = time - $start_t;
122	my $report = [ $self->{port}, $affected, $dt, $affected / $dt ];
123	warn sprintf "[%d] %d affected in %1.4fs %.2f/s\n", @$report;
124
125	# warn "# out ", dump( $out );
126
127	return {
128	out => $out,
129	report => $report,
130	};
131	}
132
133	1;