final Set<UUID> getPlayersOnServer(@NonNull String server) {
checkArgument(getProxy().getServers().containsKey(server), "server does not exist");
Collection<String> asStrings =
(Collection<String>)
getServerPlayersScript.eval(
ImmutableList.<String>of(), ImmutableList.<String>of(server));
ImmutableSet.Builder<UUID> builder = ImmutableSet.builder();
for (String s : asStrings) {
builder.add(UUID.fromString(s));
}
return builder.build();
}
private List<String> getCurrentServerIds(boolean nag, boolean lagged) {
try (Jedis jedis = pool.getResource()) {
long time = getRedisTime(jedis.time());
int nagTime = 0;
if (nag) {
nagTime = nagAboutServers.decrementAndGet();
if (nagTime <= 0) {
nagAboutServers.set(10);
}
}
ImmutableList.Builder<String> servers = ImmutableList.builder();
Map<String, String> heartbeats = jedis.hgetAll("heartbeats");
for (Map.Entry<String, String> entry : heartbeats.entrySet()) {
try {
long stamp = Long.parseLong(entry.getValue());
if (lagged ? time >= stamp + 30 : time <= stamp + 30) servers.add(entry.getKey());
else if (nag && nagTime <= 0) {
getLogger()
.severe(
entry.getKey()
+ " is "
+ (time - stamp)
+ " seconds behind! (Time not synchronized or server down?)");
}
} catch (NumberFormatException ignored) {
}
}
return servers.build();
} catch (JedisConnectionException e) {
getLogger().log(Level.SEVERE, "Unable to fetch server IDs", e);
return Collections.singletonList(configuration.getServerId());
}
}
final int getCurrentCount() {
Long count =
(Long) getPlayerCountScript.eval(ImmutableList.<String>of(), ImmutableList.<String>of());
return count.intValue();
}