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Check Query port when determining if server is up

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Ben Peddell 2015-10-02 17:57:23 +10:00
parent 9bc1f8e417
commit e2f8a3e9c5
1 changed files with 24 additions and 0 deletions
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24
tools/arkmanager
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@ -393,6 +393,30 @@ function isTheServerRunning(){
function isTheServerUp(){
$lsof -i :"$ark_Port" > /dev/null
result=$?
if [ $result -ne 0 ]; then
perl -MSocket -MFcntl -e '
my $port = int($ARGV[0]);
socket(my $socket, PF_INET, SOCK_DGRAM, 0);
setsockopt($socket, SOL_SOCKET, SO_RCVTIMEO, pack("i4", 1, 0, 0, 0));
my $sockaddr = pack_sockaddr_in($port, inet_aton("127.0.0.1"));
send($socket, "\xff\xff\xff\xffTSource Engine Query\x00", 0, $sockaddr);
my $flags = fcntl($socket, F_GETFL, 0) or exit(1);
fcntl($socket, F_SETFL, $flags | O_NONBLOCK) or exit(1);
my $data = "";
my $rin = "";
vec($rin, fileno($socket), 1) = 1;
if (select($rin, undef, undef, 0.25) >= 0) {
recv($socket, $data, 1400, 0) or exit(1);
my ($servername, $mapname, $game, $fullname, $rest) = split(/\x00/, substr($data, 6), 5);
my $maxplayers = ord(substr($rest, 3, 1));
if ($maxplayers == 0) { exit(1); }
exit(0);
} else {
exit(1);
}
' "${ark_QueryPort}"
result=$?
fi
# In this case, the result is:
# 1 if the command fail. The port is not listenning
# 0 if the command succeed. The port is listenning