| 1 |
package Sack::Lorry; |
| 2 |
|
| 3 |
use warnings; |
| 4 |
use strict; |
| 5 |
|
| 6 |
use IO::Socket::INET; |
| 7 |
use Data::Dump qw(dump); |
| 8 |
use Storable; |
| 9 |
use File::Slurp; |
| 10 |
|
| 11 |
our $pids; |
| 12 |
our $ports; |
| 13 |
|
| 14 |
$SIG{CHLD} = 'IGNORE'; |
| 15 |
|
| 16 |
my $port = 4000; |
| 17 |
|
| 18 |
sub new { |
| 19 |
my $class = shift; |
| 20 |
my $self = bless {@_}, $class; |
| 21 |
return $self; |
| 22 |
} |
| 23 |
|
| 24 |
sub start_node { |
| 25 |
my ( $self, $host ) = @_; |
| 26 |
|
| 27 |
system "rsync -rav /srv/Sack/ $host:/srv/Sack/"; |
| 28 |
|
| 29 |
if ( my $pid = fork ) { |
| 30 |
# parent |
| 31 |
$pids->{ "$host:$port" } = $pid; |
| 32 |
$ports->{ $port } = $host; |
| 33 |
|
| 34 |
my $sock; |
| 35 |
|
| 36 |
print STDERR "waiting for $port"; |
| 37 |
|
| 38 |
while ( ! $sock ) { |
| 39 |
|
| 40 |
$sock = IO::Socket::INET->new( |
| 41 |
PeerAddr => '127.0.0.1', |
| 42 |
PeerPort => $port, |
| 43 |
Proto => 'tcp', |
| 44 |
); |
| 45 |
|
| 46 |
if ( ! $sock ) { |
| 47 |
print STDERR "."; |
| 48 |
sleep 1; |
| 49 |
} |
| 50 |
|
| 51 |
} |
| 52 |
|
| 53 |
$self->{sock}->{$port} = $sock; |
| 54 |
|
| 55 |
warn "\nconnected to $port\n"; |
| 56 |
|
| 57 |
$self->{connected}->{$port} = $host; |
| 58 |
|
| 59 |
return $port++; |
| 60 |
|
| 61 |
} elsif ( ! defined $pid ) { |
| 62 |
warn "can't fork $host $port"; |
| 63 |
return; |
| 64 |
} else { |
| 65 |
# child |
| 66 |
my $cmd = $host !~ m{^(localhost|127\.)}i ? qq| |
| 67 |
ssh |
| 68 |
-S /tmp/sock.$port.ssh |
| 69 |
-L $port:127.0.0.1:$port |
| 70 |
$host |
| 71 |
| : ''; |
| 72 |
|
| 73 |
$cmd .= qq| |
| 74 |
/srv/Sack/bin/node.pl $port |
| 75 |
|; |
| 76 |
|
| 77 |
$cmd =~ s{\s+}{ }sg; |
| 78 |
|
| 79 |
warn "exec: $cmd\n"; |
| 80 |
exec $cmd; |
| 81 |
} |
| 82 |
} |
| 83 |
|
| 84 |
sub send_to { |
| 85 |
my ( $self, $port, $data ) = @_; |
| 86 |
warn "send_to [$port]\n"; |
| 87 |
Storable::store_fd( $data => $self->{sock}->{$port} ); |
| 88 |
} |
| 89 |
|
| 90 |
sub get_from { |
| 91 |
my ( $self, $port ) = @_; |
| 92 |
warn "get_from [$port]\n"; |
| 93 |
Storable::fd_retrieve( $self->{sock}->{$port} ); |
| 94 |
} |
| 95 |
|
| 96 |
sub send_to_all { |
| 97 |
my ( $self, $data ) = @_; |
| 98 |
$self->send_to( $_, $data ) foreach keys %{ $self->{connected} }; |
| 99 |
} |
| 100 |
|
| 101 |
sub get_from_all { |
| 102 |
my ( $self ) = @_; |
| 103 |
my $result; |
| 104 |
$result->{$_} = $self->get_from( $_ ) foreach keys %{ $self->{connected} }; |
| 105 |
return $result; |
| 106 |
} |
| 107 |
|
| 108 |
|
| 109 |
our $out; |
| 110 |
|
| 111 |
sub merge { |
| 112 |
my ( $self, $new ) = @_; |
| 113 |
|
| 114 |
my $t_merge = time(); |
| 115 |
|
| 116 |
my $tick = 0; |
| 117 |
|
| 118 |
my $missing; |
| 119 |
|
| 120 |
foreach my $k1 ( keys %$new ) { |
| 121 |
|
| 122 |
foreach my $k2 ( keys %{ $new->{$k1} } ) { |
| 123 |
|
| 124 |
my $n = delete $new->{$k1}->{$k2}; |
| 125 |
|
| 126 |
my $ref = ref $out->{$k1}->{$k2}; |
| 127 |
|
| 128 |
if ( ! defined $out->{$k1}->{$k2} ) { |
| 129 |
$out->{$k1}->{$k2} = $n; |
| 130 |
} elsif ( $k1 =~ m{\+} ) { |
| 131 |
# warn "## agregate $k1 $k2"; |
| 132 |
$out->{$k1}->{$k2} += $n; |
| 133 |
} elsif ( $ref eq 'ARRAY' ) { |
| 134 |
if ( ref $n eq 'ARRAY' ) { |
| 135 |
push @{ $out->{$k1}->{$k2} }, $_ foreach @$n; |
| 136 |
} else { |
| 137 |
push @{ $out->{$k1}->{$k2} }, $n; |
| 138 |
} |
| 139 |
} elsif ( $ref eq '' ) { |
| 140 |
$out->{$k1}->{$k2} = [ $out->{$k1}->{$k2}, $n ]; |
| 141 |
} else { |
| 142 |
die "can't merge $k2 [$ref] from ",dump($n), " into ", dump($out->{$k1}->{$k2}); |
| 143 |
} |
| 144 |
|
| 145 |
if ( $tick++ % 1000 == 0 ) { |
| 146 |
print STDERR "."; |
| 147 |
} elsif ( $tick % 10000 == 0 ) { |
| 148 |
print STDERR $tick; |
| 149 |
} |
| 150 |
} |
| 151 |
} |
| 152 |
|
| 153 |
$t_merge = time - $t_merge; |
| 154 |
warn sprintf "\nmerged %d in %.4fs %.2f/s\n", $tick, $t_merge, $t_merge / $tick ; |
| 155 |
|
| 156 |
} |
| 157 |
|
| 158 |
|
| 159 |
sub view { |
| 160 |
my ( $self, $view ) = @_; |
| 161 |
|
| 162 |
warn "run view $view ", -s $view, " bytes\n"; |
| 163 |
|
| 164 |
my $view_code = read_file($view); |
| 165 |
$self->send_to_all({ view => $view_code }); |
| 166 |
|
| 167 |
foreach my $port ( keys %{ $self->{connected} } ) { |
| 168 |
warn "get_from $port\n"; |
| 169 |
my $result = $self->get_from( $port ); |
| 170 |
warn dump $result; |
| 171 |
if ( $result->{view} ) { |
| 172 |
$self->merge( $result->{view} ); |
| 173 |
} else { |
| 174 |
warn "no view from $port\n"; |
| 175 |
} |
| 176 |
} |
| 177 |
|
| 178 |
return $out; |
| 179 |
} |
| 180 |
|
| 181 |
|
| 182 |
sub DESTROY { |
| 183 |
warn "pids ",dump( $pids ); |
| 184 |
foreach ( values %$pids ) { |
| 185 |
warn "kill $_"; |
| 186 |
kill 1,$_ || kill 9, $_; |
| 187 |
} |
| 188 |
} |
| 189 |
|
| 190 |
1; |
Parent Directory
| 
Revision Log