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#!/usr/bin/perl |
#!/usr/bin/perl |
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package Sack::Server; |
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use warnings; |
use warnings; |
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use strict; |
use strict; |
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my $debug = 0; |
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use IO::Socket::INET; |
use IO::Socket::INET; |
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use IO::Select; |
use IO::Select; |
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use Data::Dump qw(dump); |
use Data::Dump qw(dump); |
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use Storable qw(); |
use Storable qw(); |
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use File::Slurp; |
use File::Slurp; |
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use Cwd qw(abs_path); |
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my @cloud = qw(localhost tab.lan llin.lan); |
use lib '/srv/Sack/lib'; |
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use Sack::Merge; |
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my $cloud_path = $ENV{CLOUD} || '/srv/Sack/etc/lib'; |
use Sack::Server::HTTP; |
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use Sack::Server::HTML; |
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use Sack::Server::Gnuplot; |
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my @cloud; |
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my $cloud_path = $ENV{CLOUD} || "etc/cloud"; |
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die "start with: CLOUD=etc/cloud perl -I/srv/Sack/lib $0\n" unless -e $cloud_path; |
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@cloud = read_file $cloud_path; |
@cloud = read_file $cloud_path; |
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@cloud = map { chomp $_; $_ } @cloud; |
@cloud = map { chomp $_; $_ } @cloud; |
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warn "# cloud ",dump( @cloud ); |
warn "# cloud ",dump( @cloud ); |
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my $listen_port = 4444; |
my $listen_port = 4444; |
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my $http_port = 4480; |
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my $node_path = '/tmp/client.pl'; |
my $node_path = abs_path $0; |
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$node_path =~ s{Server}{Client}; |
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my $lsn = IO::Socket::INET->new(Listen => 1, LocalPort => $listen_port, Reuse => 1) or die $!; |
my $lsn = IO::Socket::INET->new(Listen => 1, LocalPort => $listen_port, Reuse => 1) or die "$listen_port $!"; |
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my $www = IO::Socket::INET->new(Listen => 1, LocalPort => $http_port, Reuse => 1) or die "$http_port $!"; |
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my $sel = IO::Select->new($lsn); |
my $sel = IO::Select->new($lsn); |
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$sel->add( $www ); |
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my $info; |
my $info; |
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sub info { |
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my $port = shift; |
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push @{ $info->{$port} }, [ @_ ]; |
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} |
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sub fork_node { |
sub fork_ssh { |
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my ( $port, $host ) = @_; |
my ( $port, $host ) = @_; |
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if ( my $pid = fork ) { |
if ( my $pid = fork ) { |
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# parent |
# parent |
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info $port => 'forked', $pid; |
$info->{forked}->{$port} = $pid; |
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$info->{pending}->{$port} = 'forked'; |
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$info->{host}->{$port} = $host; |
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return $port; |
return $port; |
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} elsif ( ! defined $pid ) { |
} elsif ( ! defined $pid ) { |
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return; |
return; |
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} else { |
} else { |
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# child |
# child |
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warn "[$port] cpio last version\n"; |
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system "find /srv/Sack/ | cpio --create --dereference | ssh -T -F $cloud_path.ssh $host cpio --extract --make-directories --unconditional"; |
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my $cmd = qq|ssh -F $cloud_path.ssh -R $port:127.0.0.1:$listen_port $host $node_path $port|; |
my $cmd = qq|ssh -F $cloud_path.ssh -R $port:127.0.0.1:$listen_port $host $node_path $port|; |
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warn "# exec: $cmd\n"; |
warn "# exec: $cmd\n"; |
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exec $cmd; |
exec $cmd; |
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my $node_port = 4000; |
my $node_port = 4000; |
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foreach my $host ( @cloud ) { |
foreach my $host ( @cloud ) { |
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system "echo $node_path | cpio --create --dereference | ssh -T -F $cloud_path.ssh $host cpio --extract --make-directories --unconditional"; |
fork_ssh( $node_port++, $host ); |
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fork_node( $node_port++, $host ); |
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} |
} |
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my $session; |
my $session; |
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sub all_ports { keys %{ $session->{port} } } |
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sub to_all { |
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my $data = shift; |
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foreach my $port ( all_ports ) { |
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warn ">>>> [$port]\n" if $debug; |
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Storable::store_fd( $data, $session->{port}->{$port} ); |
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} |
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} |
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our @shard_load_queue; |
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sub load_shard { |
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my $shard = shift @_ || return; |
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warn "# load_shard $shard\n"; |
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$shard .= '/*' if -d $shard; |
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my @shards = glob $shard; |
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if ( ! @shards ) { |
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warn "no shards for $shard\n"; |
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return; |
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} |
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foreach my $s ( @shards ) { |
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if ( my $node = $info->{shard}->{$s} ) { |
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next if $node =~ m{^\d+$}; # not node number |
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} |
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$info->{shard}->{$s} = 'wait'; |
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push @shard_load_queue, $s; |
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warn "queued $s for loading\n"; |
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} |
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# XXX depriciated but not removed yet |
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if ( 0 ) { |
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to_all { load => $shard }; |
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$info->{pending}->{$_} = 'load' foreach all_ports; |
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return; |
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} |
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my @nodes = all_ports; |
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my $chunk = int( ( $#shard_load_queue + 1 ) / $#nodes ); |
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my $pid_port; |
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foreach my $port ( all_ports ) { |
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$info->{pending}->{$port} = 'load'; |
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my @shards = splice @shard_load_queue, 0, $chunk; |
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my $sock = $session->{port}->{$port}; |
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if ( my $pid = fork ) { |
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$pid_port->{$pid} = $port; |
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# parent |
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} elsif ( ! defined $pid ) { |
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die "can't fork $!"; |
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} else { |
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# child |
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warn ">>>> [$port] bulk_load ", $#shards + 1, " shards\n"; |
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Storable::store_fd( { bulk_load => [ @shards ] }, $sock ); |
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foreach my $s ( @shards ) { |
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warn ">>>> [$port] bulk_load $s\n"; |
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Storable::store_fd( Storable::retrieve( $s ), $sock ); |
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} |
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warn ">>>> [$port] bulk_load finished\n"; |
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exit; |
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} |
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} |
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foreach my $child ( keys %$pid_port ) { |
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warn "waitpid $child\n"; |
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waitpid($child, 0); |
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delete( $info->{pending}->{ $pid_port->{$child} } ); |
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} |
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$info->{pending}->{$_} = 'view' foreach all_ports; |
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to_all { code => "# collect back loaded shards\n", view => 'noop' }; |
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} |
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sub run_view { |
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my ( $path ) = @_; |
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if ( ! -r $path ) { |
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warn "ERROR view $path: $!"; |
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return; |
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} |
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my $code = read_file $path; |
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Sack::Merge->clean; |
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delete( $info->{view} ); |
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delete( $info->{merge} ); |
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delete( $info->{shard} ); |
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$info->{pending}->{$_} = 'view' foreach all_ports; |
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to_all { code => $code, view => $path }; |
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}; |
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our @responses; |
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while (1) { |
while (1) { |
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for my $sock ($sel->can_read(1)) { |
for my $sock ($sel->can_read(1)) { |
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if ($sock == $lsn) { |
if ($sock == $lsn) { |
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my $new = $lsn->accept; |
my $new = $lsn->accept; |
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$sel->add($new); |
$sel->add($new); |
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$session->{$new} = $new->peerport; |
$session->{peerport}->{ $new->peerport } = $new; |
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warn "[socket] connect\n"; |
warn "[socket] connect\n"; |
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Storable::store_fd( { ping => 1 }, $new ); |
Storable::store_fd( { ping => 1 }, $new ); |
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info 0 => 'ping', $new->peerport; |
} elsif ( $sock == $www ) { |
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my $client = $www->accept; |
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Sack::Server::HTTP::request( $client, sub { |
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my ( $send, $method, $param ) = @_; |
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if ( $method =~ m{views} ) { |
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run_view $method; |
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print $send "HTTP/1.0 302 $method\r\nLocation: /\r\n\r\n"; |
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return 1; |
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} elsif ( $method =~ m{^/tmp/sack} ) { |
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load_shard $method; |
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print $send "HTTP/1.0 302 $method\r\nLocation: /\r\n\r\n"; |
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return 1; |
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} elsif ( $method =~ m{^/out/(.+)} ) { |
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print $send "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n"; |
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Sack::Server::HTML::send_out( $send, Sack::Merge->out, $1, $param ); |
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return 1; |
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} elsif ( $method =~ m{^/gnuplot} ) { |
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eval { |
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my $path = Sack::Server::Gnuplot::date( Sack::Merge->out, $param ); |
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if ( -e $path ) { |
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print $send "HTTP/1.0 200 OK\r\nContent-Type: image/png\r\n\r\n"; |
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open(my $fh, '<', $path) || die $path; |
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my $b; |
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while ( read($fh, $b, 4096) ) { |
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print $send $b; |
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} |
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return 1; |
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} else { |
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print $send "HTTP/1.0 404 no graph\r\n\r\n"; |
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return 1; |
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} |
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}; |
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warn "ERROR: $@" if $@; |
| 218 |
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} elsif ( $method =~ m{^/favicon.ico} ) { |
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print $send "HTTP/1.0 200 OK\r\nContent-Type: image/vnd.microsoft.icon\r\n\r\n", read_file( 'artwork/favicon.ico' ); |
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return 1; |
| 221 |
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} elsif ( $method =~ m{/nodes} ) { |
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to_all { ping => 1 }; |
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my @proc = ( 'MemTotal', 'MemFree', 'Buffers', 'Cached', 'VmSize', 'VmPeak' ); |
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print $send "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n", |
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'<table><tr><th>', join('</th><th>', 'node', 'ip', @proc), '</th></tr>'; |
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foreach my $node ( sort { |
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$info->{host}->{$a} cmp $info->{host}->{$b} || # ip |
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$a <=> $b # node |
| 229 |
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} keys %{$info->{proc}} ) { |
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print $send '<tr><td>', join('</td><td align=right>', |
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$node, $info->{host}->{$node}, map { |
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my $kb = $info->{proc}->{$node}->{$_}; |
| 233 |
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$kb =~ s/\s+kb//i; $kb; |
| 234 |
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} @proc ), '</td><tr>'; |
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} |
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print $send '</table>'; |
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return 1; |
| 238 |
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} |
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my $refresh = $param->{refresh}; |
| 241 |
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$refresh = 1 if grep { $info->{pending}->{$_} ne 'forked' } keys %{ $info->{pending} }; |
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# we don't care about refresh is nodes are stuck in forked state! |
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print $send "HTTP/1.0 200 OK\r\nContent-Type: text/html" |
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, ( $refresh ? "\r\nRefresh: $refresh" : '' ) |
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, "\r\n\r\n" |
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, ( $refresh ? qq|<span style="color: #888; float:right">$refresh</span>| : '' ) |
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; |
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print $send qq| |
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<style type="text/css"> |
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.running { |
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color: #f00; |
| 256 |
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} |
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.forked { |
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color: #888; |
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} |
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.ping { |
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color: #0f0; |
| 265 |
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} |
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.load { |
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color: #f00; |
| 269 |
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} |
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.view { |
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color: #00f; |
| 273 |
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} |
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.shards { |
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font-family: monospace; |
| 277 |
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// line-height: 0.8em; |
| 278 |
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color: #0f0; |
| 279 |
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} |
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.send { |
| 282 |
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color: #ff0; |
| 283 |
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} |
| 284 |
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| 285 |
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.wait { |
| 286 |
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color: #f00; |
| 287 |
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} |
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| 290 |
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</style> |
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|; |
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| 294 |
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my $out = Sack::Merge->out; |
| 295 |
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if ( my $li = join("\n", map { qq|<li><input type=checkbox name=filter value="$_"><a href="/out/$_" target="$_">$_</a>| } keys %$out ) ) { |
| 296 |
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print $send qq|<h1>Results</h1><form method="get" target="gnuplot" action="/gnuplot/"><ul>$li</ul><input type=submit value="Show checked"></form><img src="/gnuplot/">\n|; |
| 297 |
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} |
| 298 |
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| 299 |
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print $send qq|<h1>Views</h1><ul>| |
| 300 |
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, join("\n", map { |
| 301 |
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my $view = $_; |
| 302 |
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my $html = ''; |
| 303 |
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if ( my $s = $info->{view}->{$view} ) { |
| 304 |
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my @nodes = sort keys %$s; |
| 305 |
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my $total = 0; |
| 306 |
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$html .= qq|<table><tr><th>node</th><th>rows</th><th>shards</th><th>∑</th><th>merge</th></tr>|; |
| 307 |
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foreach my $node ( @nodes ) { |
| 308 |
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my $h = ''; |
| 309 |
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my $shard = 0; |
| 310 |
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foreach my $path ( sort keys %{ $s->{$node} } ) { |
| 311 |
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my $affected = $s->{$node}->{$path}; |
| 312 |
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my $n = '?'; |
| 313 |
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$n = $1 if $path =~ m{/(\w)\w+/\d+}; |
| 314 |
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my $class = $affected == 0 ? 'style="color: #888"' : ''; |
| 315 |
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$h .= qq|<tt title="$affected $path"$class>$n</tt>|; |
| 316 |
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$shard += $affected; |
| 317 |
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$total += $affected; |
| 318 |
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} |
| 319 |
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my $merge = $info->{merge}->{$view}->{$node} || '?'; |
| 320 |
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$html .= qq|<tr><td><tt>$node</tt></td><td>$shard</td><td>$h</td><td>$total</td><td>$merge</td></tr>\n|; |
| 321 |
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} |
| 322 |
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| 323 |
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$html .= qq|</table>|; |
| 324 |
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}; |
| 325 |
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qq|<li><a href="$view">$view</a>$html| |
| 326 |
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} glob '/srv/Sack/views/*/*.pl' ) |
| 327 |
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, qq|</ul>| |
| 328 |
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; |
| 329 |
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| 330 |
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print $send qq|<h1>Nodes</h1>|; |
| 331 |
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foreach my $node ( sort keys %{ $info->{forked} } ) { |
| 332 |
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my $attr = qq| title="$info->{host}->{$node}"|; |
| 333 |
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if ( my $pending = $info->{pending}->{$node} ) { |
| 334 |
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$attr .= qq| class="$pending"|; |
| 335 |
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} |
| 336 |
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print $send qq|<tt$attr>$node</tt>\n|; |
| 337 |
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} |
| 338 |
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print $send qq|<a href=/nodes/>details</a>|; |
| 339 |
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|
| 340 |
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print $send qq|<h1>Shards</h1><ul>|; |
| 341 |
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foreach my $path ( glob '/tmp/sack/*' ) { |
| 342 |
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print $send qq|<li><a href="$path">$path</a><div class="shards">|; |
| 343 |
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foreach my $s ( sort grep { m/$path/ } keys %{ $info->{shard} } ) { |
| 344 |
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my $i = $info->{shard}->{$s}; |
| 345 |
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print $send qq|<span class="$i" title="$s">$i</span> |; |
| 346 |
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} |
| 347 |
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print $send qq|</div>|; |
| 348 |
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} |
| 349 |
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print $send qq|</ul>|; |
| 350 |
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| 351 |
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if ( $param->{info} ) { |
| 352 |
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print $send qq|<a href="?info=0">hide info</a>|; |
| 353 |
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print $send '<pre>', dump($info), '</pre>' |
| 354 |
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} else { |
| 355 |
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print $send qq|<a href="?info=1">show info</a>|; |
| 356 |
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} |
| 357 |
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return 1; |
| 358 |
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} ); |
| 359 |
} else { |
} else { |
| 360 |
my $data = eval { Storable::fd_retrieve( $sock ) }; |
my $data = eval { Storable::fd_retrieve( $sock ) }; |
| 361 |
if ( $@ ) { |
if ( $@ ) { |
| 364 |
$sel->remove($sock); |
$sel->remove($sock); |
| 365 |
$sock->close; |
$sock->close; |
| 366 |
} else { |
} else { |
| 367 |
warn "<<<< ", dump($data), $/; |
warn "<<<< ", dump($data), $/ if $debug; |
| 368 |
if ( $data->{repl} ) { |
|
| 369 |
my $response = { repl => $$, info => $info }; |
if ( my $path = $data->{shard} ) { |
| 370 |
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$info->{shard}->{ $path } = $data->{port}; |
| 371 |
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# FIXME will need push for multiple copies of shards |
| 372 |
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} |
| 373 |
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|
| 374 |
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if ( my $repl = $data->{repl} ) { |
| 375 |
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my $response = { repl_pid => $$ }; |
| 376 |
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if ( $repl =~ m/ping/ ) { |
| 377 |
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to_all { ping => 1 }; |
| 378 |
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} elsif ( $repl =~ m/info/ ) { |
| 379 |
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$response->{info} = $info; |
| 380 |
|
} elsif ( $repl =~ m{load\s*(\S+)?} ) { |
| 381 |
|
load_shard $1; |
| 382 |
|
} elsif ( $repl =~ m{view\s*(\S+)?} ) { |
| 383 |
|
run_view $1; |
| 384 |
|
} elsif ( $repl =~ m{out} ) { |
| 385 |
|
my $out = Sack::Merge->out; |
| 386 |
|
warn "out ",dump( $out ); |
| 387 |
|
$response->{out} = $out; |
| 388 |
|
} elsif ( $repl =~ m{clean} ) { |
| 389 |
|
delete $info->{shard}; |
| 390 |
|
to_all { clean => 1 }; |
| 391 |
|
} elsif ( $repl eq 'exit' ) { |
| 392 |
|
to_all { exit => 1 }; |
| 393 |
|
sleep 1; |
| 394 |
|
exit; |
| 395 |
|
} elsif ( $repl eq '.' ) { |
| 396 |
|
$response->{'.'} = [ @responses ]; |
| 397 |
|
@responses = (); |
| 398 |
|
} elsif ( $repl =~ m{(\w+)\s*(.+)?} ) { |
| 399 |
|
to_all { $1 => $2 }; |
| 400 |
|
} else { |
| 401 |
|
$response->{error}->{repl} = $repl; |
| 402 |
|
} |
| 403 |
Storable::store_fd( $response, $sock ); |
Storable::store_fd( $response, $sock ); |
| 404 |
} elsif ( $data->{ping} ) { |
} elsif ( $data->{ping} ) { |
| 405 |
$info->{_peer_port}->{$sock->peerport} = $data->{port}; |
my $port = $data->{port}; |
| 406 |
info $data->{port} => 'peer port', $sock->peerport; |
delete( $info->{pending}->{$port} ) if defined $info->{pending}->{$port} && $info->{pending}->{$port} eq 'forked'; |
| 407 |
|
$session->{port}->{$port} = $sock; |
| 408 |
|
foreach my $name ( keys %{$data->{proc}} ) { |
| 409 |
|
if ( $name eq 'loadavg' ) { |
| 410 |
|
$info->{proc}->{$port}->{loadavg} = [ split(/\s+/, $data->{proc}->{$name}) ]; |
| 411 |
|
} else { |
| 412 |
|
foreach my $line ( split(/\n/,$data->{proc}->{$name}) ) { |
| 413 |
|
my ($n,$v) = split(/:\s+/,$line); |
| 414 |
|
$info->{proc}->{$port}->{$n} = $v; |
| 415 |
|
} |
| 416 |
|
} |
| 417 |
|
} |
| 418 |
|
} elsif ( defined $data->{load} && $data->{load} eq 'shard' ) { |
| 419 |
|
if ( my $path = shift @shard_load_queue ) { |
| 420 |
|
$info->{shard}->{$path} = 'read'; |
| 421 |
|
my $shard = Storable::retrieve $path; |
| 422 |
|
$info->{shard}->{$path} = 'send'; |
| 423 |
|
warn ">>>> [", $data->{port}, "] sending shard $path\n"; |
| 424 |
|
Storable::store_fd( { path => $path, shard => $shard }, $sock ); |
| 425 |
|
} else { |
| 426 |
|
warn "no more shards for [", $data->{port}, "]\n"; |
| 427 |
|
delete $info->{pending}->{ $data->{port} }; |
| 428 |
|
} |
| 429 |
|
} elsif ( exists $data->{out} ) { |
| 430 |
|
my $added = Sack::Merge->add( $data->{out} ) if defined $data->{out}; |
| 431 |
|
$info->{merge}->{ $data->{view} }->{ $data->{port} } = $added; |
| 432 |
|
$info->{view }->{ $data->{view} }->{ $data->{port} } = $data->{on_shard}; |
| 433 |
|
# refresh shard allocation |
| 434 |
|
$info->{shard}->{ $_ } = $data->{port} foreach keys %{ $data->{on_shard} }; |
| 435 |
|
delete $info->{pending}->{ $data->{port} }; |
| 436 |
|
} elsif ( exists $data->{port} ) { |
| 437 |
|
push @responses, $data; |
| 438 |
|
warn "# ",dump($data),$/; |
| 439 |
|
} else { |
| 440 |
|
warn "UNKNOWN ",dump($data); |
| 441 |
} |
} |
| 442 |
} |
} |
| 443 |
} |
} |
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