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package MasterServer::TCP::ListCompiler;
use strict;
use warnings;
use Exporter 'import';
our @EXPORT = qw| generate_list generate_sync compile_sync |;
################################################################################
## compile the list of \ip\ip:port\ addresses and parse them into the
## plaintext or compressed address string.
################################################################################
sub generate_list {
# gamename and \list\(|cmp)
my ($self, $gamename, $cmp) = @_;
# get the list from database
my $serverlist = $self->get_server(
updated => 3600,
gamename => $gamename,
);
my $list = "";
# which format?
if ($cmp eq "cmp") {
# compressed format (ABCDEF format)
for (@{$serverlist}) {
my ($A, $B, $C, $D) = ($_->{ip} =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/);
my ($E, $F) = ($_->{port} >> 8, $_->{port} & 0xFF);
my $bin = ""; $bin .= (chr $A) . (chr $B) . (chr $C) . (chr $D) . (chr $E) . (chr $F);
$list .= $bin;}
}
else {
# normal format (regular \ip\127.0.0.1:7777\ format)
for (@{$serverlist}) {
$list .= "\\ip\\$_->{ip}:$_->{port}";}
}
# list ready
return $list;
}
################################################################################
## compile a list of addresses for all available or requested games.
## opts: all | list of games
################################################################################
sub generate_sync {
my ($self, $sync) = @_;
my $list = "";
my %games = ();
# prepare list of games
my $avail = $self->get_gamenames();
if ($sync eq "all") {
# if "all" is requested, check which games we have available
$games{$_->[0]} = 1 for (@{$avail}); }
else {
# otherwise, see which of the requested addresses match our db
for (@{$avail}) {$games{$_->[0]} = 1 if ($sync =~ m/$_->[0]/i); } }
# get the list for every requested gamename
for my $gamename (keys %games) {
# get list from database
my $listref = $self->get_server(gamename => $gamename, updated => 3600);
# add all games to string separated by spaces
my $addresses = "";
foreach (@{$listref}) {$addresses .= "$_->{ip}:$_->{port} ";}
# if it contains at least one entry, add the list to the response list
$list .= "\\$gamename\\$addresses" if (length $addresses >= 7);
}
# list ready
return $list;
}
1;
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