| 1 |
dpavlin |
163 |
#!/usr/bin/perl |
| 2 |
|
|
|
| 3 |
|
|
use warnings; |
| 4 |
|
|
use strict; |
| 5 |
|
|
|
| 6 |
|
|
use IO::Socket::INET; |
| 7 |
|
|
use IO::Select; |
| 8 |
|
|
|
| 9 |
|
|
use Data::Dump qw(dump); |
| 10 |
|
|
use Storable qw(); |
| 11 |
dpavlin |
169 |
use File::Slurp; |
| 12 |
dpavlin |
163 |
|
| 13 |
dpavlin |
169 |
my @cloud = qw(localhost tab.lan llin.lan); |
| 14 |
|
|
|
| 15 |
|
|
my $cloud_path = '/srv/Sack/etc/lib'; |
| 16 |
|
|
@cloud = read_file $cloud_path; |
| 17 |
|
|
@cloud = map { chomp $_; $_ } @cloud; |
| 18 |
|
|
|
| 19 |
|
|
warn "# cloud ",dump( @cloud ); |
| 20 |
|
|
|
| 21 |
dpavlin |
163 |
my $listen_port = 4444; |
| 22 |
|
|
|
| 23 |
|
|
my $node_path = '/tmp/client.pl'; |
| 24 |
|
|
|
| 25 |
dpavlin |
169 |
my $lsn = IO::Socket::INET->new(Listen => 1, LocalPort => $listen_port, Reuse => 1) or die $!; |
| 26 |
dpavlin |
163 |
my $sel = IO::Select->new($lsn); |
| 27 |
|
|
|
| 28 |
dpavlin |
166 |
my $info; |
| 29 |
|
|
sub info { |
| 30 |
|
|
my $port = shift; |
| 31 |
|
|
push @{ $info->{$port} }, [ @_ ]; |
| 32 |
|
|
} |
| 33 |
|
|
|
| 34 |
dpavlin |
163 |
sub fork_node { |
| 35 |
|
|
my ( $port, $host ) = @_; |
| 36 |
|
|
|
| 37 |
|
|
if ( my $pid = fork ) { |
| 38 |
|
|
# parent |
| 39 |
dpavlin |
166 |
info $port => 'forked', $pid; |
| 40 |
dpavlin |
163 |
return $port; |
| 41 |
|
|
|
| 42 |
|
|
} elsif ( ! defined $pid ) { |
| 43 |
|
|
warn "can't fork $host $port"; |
| 44 |
|
|
return; |
| 45 |
|
|
} else { |
| 46 |
|
|
# child |
| 47 |
dpavlin |
169 |
my $cmd = qq|ssh -F $cloud_path.ssh -R $port:127.0.0.1:$listen_port $host $node_path $port|; |
| 48 |
dpavlin |
163 |
warn "# exec: $cmd\n"; |
| 49 |
|
|
exec $cmd; |
| 50 |
|
|
} |
| 51 |
|
|
} |
| 52 |
|
|
|
| 53 |
|
|
my $node_port = 4000; |
| 54 |
|
|
|
| 55 |
dpavlin |
169 |
foreach my $host ( @cloud ) { |
| 56 |
|
|
system "echo $node_path | cpio --create --dereference | ssh -T -F $cloud_path.ssh $host cpio --extract --make-directories --unconditional"; |
| 57 |
dpavlin |
163 |
fork_node( $node_port++, $host ); |
| 58 |
|
|
} |
| 59 |
|
|
|
| 60 |
|
|
my $session; |
| 61 |
|
|
|
| 62 |
|
|
while (1) { |
| 63 |
|
|
for my $sock ($sel->can_read(1)) { |
| 64 |
|
|
if ($sock == $lsn) { |
| 65 |
|
|
my $new = $lsn->accept; |
| 66 |
|
|
$sel->add($new); |
| 67 |
dpavlin |
166 |
$session->{$new} = $new->peerport; |
| 68 |
dpavlin |
164 |
warn "[socket] connect\n"; |
| 69 |
dpavlin |
163 |
Storable::store_fd( { ping => 1 }, $new ); |
| 70 |
dpavlin |
166 |
info 0 => 'ping', $new->peerport; |
| 71 |
dpavlin |
163 |
} else { |
| 72 |
dpavlin |
165 |
my $data = eval { Storable::fd_retrieve( $sock ) }; |
| 73 |
|
|
if ( $@ ) { |
| 74 |
|
|
delete $session->{$sock}; |
| 75 |
|
|
warn "[socket] disconnect: $@\n"; |
| 76 |
|
|
$sel->remove($sock); |
| 77 |
|
|
$sock->close; |
| 78 |
|
|
} else { |
| 79 |
dpavlin |
163 |
warn "<<<< ", dump($data), $/; |
| 80 |
dpavlin |
164 |
if ( $data->{repl} ) { |
| 81 |
dpavlin |
166 |
my $response = { repl => $$, info => $info }; |
| 82 |
|
|
Storable::store_fd( $response, $sock ); |
| 83 |
|
|
} elsif ( $data->{ping} ) { |
| 84 |
|
|
$info->{_peer_port}->{$sock->peerport} = $data->{port}; |
| 85 |
|
|
info $data->{port} => 'peer port', $sock->peerport; |
| 86 |
dpavlin |
164 |
} |
| 87 |
dpavlin |
163 |
} |
| 88 |
|
|
} |
| 89 |
|
|
} |
| 90 |
|
|
} |
Parent Directory
| 
Revision Log