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);

use lib 'lib';
use base qw(Sack::Pid);
use Sack::Color;

our $VERSION = '0.09';

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

        $self->port_pid( $port );

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

        my $client;

        while ( 1 ) {

                if ( ! $client ) {
                        warn "[$port] accept $VERSION\n";
                        $client = $sock->accept();
                        warn "[$port] connect from ", $client->peerhost, $/;
                }

                my $data = eval { Storable::fd_retrieve( $client ) };
                if ( $@ ) {
                        warn "[$port] ERROR $@\n";
                        close $client;
                        next;
                }

                if ( defined $data->{data} ) {
                        warn "# [$port] <<<< data\n";
                } else {
                        warn "# [$port] <<<< ", dump( $data ), $/;
                }

                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\n";
                        close $sock;
                        exit;
                } elsif ( $data->{restart} ) {
                        warn "[$port] restart";
                        close $sock;
                        exec "$0 $port";
                } elsif ( $data->{info} ) {
                        $result = {
                                version => $VERSION,
                                size => $#{ $self->{data} } + 1,
                                reports => $self->{reports},
                        };
                } 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;

        push @{ $self->{reports} }, "$affected in ${dt}s";

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

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

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	dpavlin	127	use base qw(Sack::Pid);
15	dpavlin	102	use Sack::Color;
16	dpavlin	92
17	dpavlin	127	our $VERSION = '0.09';
18	dpavlin	116
19	dpavlin	92	sub new {
20			my $class = shift;
21			my $port = shift;
22			my $self = bless { port => $port }, $class;
23
24	dpavlin	127	$self->port_pid( $port );
25	dpavlin	92
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	dpavlin	127	my $client;
35	dpavlin	92
36	dpavlin	127	while ( 1 ) {
37	dpavlin	92
38	dpavlin	127	if ( ! $client ) {
39			warn "[$port] accept $VERSION\n";
40			$client = $sock->accept();
41			warn "[$port] connect from ", $client->peerhost, $/;
42			}
43	dpavlin	92
44	dpavlin	127	my $data = eval { Storable::fd_retrieve( $client ) };
45			if ( $@ ) {
46			warn "[$port] ERROR $@\n";
47			close $client;
48			next;
49			}
50	dpavlin	92
51	dpavlin	127	if ( defined $data->{data} ) {
52			warn "# [$port] <<<< data\n";
53			} else {
54			warn "# [$port] <<<< ", dump( $data ), $/;
55			}
56	dpavlin	92
57			my $result;
58
59			if ( $data->{view} ) {
60	dpavlin	116	$result = $self->view( $data->{view} );
61	dpavlin	92	} elsif ( $data->{data} ) {
62			$self->{data} = delete $data->{data};
63	dpavlin	119	$result = { data => 'loaded' };
64	dpavlin	92	} elsif ( $data->{exit} ) {
65	dpavlin	127	warn "[$port] exit\n";
66	dpavlin	119	close $sock;
67	dpavlin	92	exit;
68	dpavlin	119	} elsif ( $data->{restart} ) {
69			warn "[$port] restart";
70			close $sock;
71			exec "$0 $port";
72			} elsif ( $data->{info} ) {
73			$result = {
74			version => $VERSION,
75			size => $#{ $self->{data} } + 1,
76	dpavlin	127	reports => $self->{reports},
77	dpavlin	119	};
78			} elsif ( my $sh = delete $data->{sh} ) {
79			$result = { sh => scalar `$sh` };
80	dpavlin	92	} else {
81			warn "[$port] UNKNOWN ", dump( $data ), $/;
82			$result = { 'error' => $data };
83			}
84
85	dpavlin	127	warn "# [$port] >>>>\n";
86	dpavlin	92	Storable::store_fd( $result => $client );
87			}
88
89			}
90
91	dpavlin	93
92	dpavlin	92	our $rec;
93			our $out;
94
95			sub view {
96			my ( $self, $code ) = @_;
97
98			undef $out;
99
100			my $affected = 0;
101	dpavlin	93	my $start_t = time;
102	dpavlin	92
103			my $coderef = eval "sub { $code }";
104			if ( $@ ) {
105			warn "ABORT code: $@";
106			return;
107			}
108
109
110			foreach my $pos ( 0 .. $#{ $self->{data} } ) {
111	dpavlin	93	$rec = $self->{data}->[$pos];
112	dpavlin	92	if ( ! $rec ) {
113			print STDERR "END @ $pos";
114			last;
115			}
116
117			eval { $coderef->() };
118			if ( $@ ) {
119			warn "ABORT $pos $@\n";
120			last;
121			} else {
122			$affected++;
123			}
124
125			$pos % 10000 == 0 ? print STDERR $pos :
126			$pos % 1000 == 0 ? print STDERR "." : 0 ;
127			};
128
129	dpavlin	93	my $dt = time - $start_t;
130	dpavlin	116	my $report = [ $self->{port}, $affected, $dt, $affected / $dt ];
131	dpavlin	93	warn sprintf "[%d] %d affected in %1.4fs %.2f/s\n", @$report;
132	dpavlin	92
133	dpavlin	127	push @{ $self->{reports} }, "$affected in ${dt}s";
134
135	dpavlin	99	# warn "# out ", dump( $out );
136	dpavlin	93
137	dpavlin	116	return {
138			out => $out,
139			report => $report,
140			};
141	dpavlin	92	}
142
143			1;