mirror of
https://github.com/proxiodev/RedisBungee.git
synced 2024-11-23 04:28:01 +00:00
More robust error checking.
This commit is contained in:
Tux
parent
b604434091
commit
5a28cd9ede
@ -7,10 +7,8 @@
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package com.imaginarycode.minecraft.redisbungee;
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import com.google.common.base.Joiner;
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import com.google.common.collect.HashMultimap;
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import com.google.common.collect.ImmutableMultimap;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Multimap;
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import com.google.common.collect.*;
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import com.google.common.io.ByteArrayDataInput;
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import com.google.common.io.ByteArrayDataOutput;
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import com.google.common.io.ByteStreams;
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import lombok.NonNull;
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@ -44,11 +42,11 @@ import static com.google.common.base.Preconditions.*;
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* The only function of interest is {@link #getApi()}, which exposes some functions in this class.
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*/
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public final class RedisBungee extends Plugin implements Listener {
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private static final ServerPing.PlayerInfo[] EMPTY_PLAYERINFO = new ServerPing.PlayerInfo[]{};
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private static Configuration configuration;
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private JedisPool pool;
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private static RedisBungeeAPI api;
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private PubSubListener psl = null;
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private static List<String> serverIds;
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/**
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* Fetch the {@link RedisBungeeAPI} object created on plugin start.
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@ -63,14 +61,18 @@ public final class RedisBungee extends Plugin implements Listener {
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return configuration;
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}
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static List<String> getServerIds() {
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return serverIds;
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}
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final Multimap<String, String> serversToPlayers() {
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Multimap<String, String> serverToPlayers = HashMultimap.create();
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ImmutableMultimap.Builder<String, String> multimapBuilder = ImmutableMultimap.builder();
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for (String p : getPlayers()) {
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ServerInfo si = getServerFor(p);
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if (si != null)
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serverToPlayers.put(si.getName(), p);
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multimapBuilder = multimapBuilder.put(si.getName(), p);
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}
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return ImmutableMultimap.copyOf(serverToPlayers);
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return multimapBuilder.build();
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}
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final int getCount() {
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@ -78,10 +80,15 @@ public final class RedisBungee extends Plugin implements Listener {
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if (pool != null) {
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Jedis rsc = pool.getResource();
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try {
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for (String i : configuration.getStringList("linked-servers")) {
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for (String i : serverIds) {
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if (i.equals(configuration.getString("server-id"))) continue;
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if (rsc.exists("server:" + i + ":playerCount"))
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c += Integer.valueOf(rsc.get("server:" + i + ":playerCount"));
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try {
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c += Integer.valueOf(rsc.get("server:" + i + ":playerCount"));
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} catch (NumberFormatException e) {
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getLogger().severe("I found a funny number for " + i + "'s player count. Resetting it to 0.");
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rsc.set("server:" + i + ":playerCount", "0");
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}
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}
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} finally {
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pool.returnResource(rsc);
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@ -91,26 +98,28 @@ public final class RedisBungee extends Plugin implements Listener {
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}
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final Set<String> getLocalPlayers() {
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Set<String> players = new HashSet<>();
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ImmutableSet.Builder<String> setBuilder = ImmutableSet.builder();
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for (ProxiedPlayer pp : getProxy().getPlayers())
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players.add(pp.getName());
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return players;
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setBuilder = setBuilder.add(pp.getName());
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return setBuilder.build();
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}
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final Set<String> getPlayers() {
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Set<String> players = getLocalPlayers();
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ImmutableSet.Builder<String> setBuilder = ImmutableSet.<String>builder().addAll(getLocalPlayers());
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if (pool != null) {
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Jedis rsc = pool.getResource();
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try {
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for (String i : configuration.getStringList("linked-servers")) {
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for (String i : serverIds) {
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if (i.equals(configuration.getString("server-id"))) continue;
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players.addAll(rsc.smembers("server:" + i + ":usersOnline"));
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Set<String> users = rsc.smembers("server:" + i + ":usersOnline");
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if (users != null && !users.isEmpty())
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setBuilder = setBuilder.addAll(users);
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}
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} finally {
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pool.returnResource(rsc);
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}
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}
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return ImmutableSet.copyOf(players);
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return setBuilder.build();
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}
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final Set<String> getPlayersOnServer(@NonNull String server) {
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@ -140,7 +149,28 @@ public final class RedisBungee extends Plugin implements Listener {
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Jedis tmpRsc = pool.getResource();
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try {
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if (tmpRsc.hexists("player:" + name, "online"))
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time = Long.valueOf(tmpRsc.hget("player:" + name, "online"));
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try {
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time = Long.valueOf(tmpRsc.hget("player:" + name, "online"));
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} catch (NumberFormatException e) {
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getLogger().info("I found a funny number for when " + name + " was last online!");
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boolean found = false;
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for (String proxyId : serverIds) {
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if (proxyId.equals(configuration.getString("server-id"))) continue;
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if (tmpRsc.sismember("server:" + proxyId + ":usersOnline", name)) {
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found = true;
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break;
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}
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}
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String value = "0";
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if (!found) {
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value = String.valueOf(System.currentTimeMillis());
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getLogger().info(name + " isn't online. Setting to current time.");
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} else {
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getLogger().info(name + " is online. Setting to 0. Please check your BungeeCord instances.");
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getLogger().info("If they are working properly, and this error does not resolve in a few minutes, please let Tux know!");
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}
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tmpRsc.hset("player:" + name, "online", value);
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}
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} finally {
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pool.returnResource(tmpRsc);
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}
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@ -167,7 +197,7 @@ public final class RedisBungee extends Plugin implements Listener {
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}
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final void sendProxyCommand(@NonNull String proxyId, @NonNull String command) {
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checkArgument(configuration.getStringList("linked-servers").contains(proxyId) || proxyId.equals("allservers"), "proxyId is invalid");
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checkArgument(serverIds.contains(proxyId) || proxyId.equals("allservers"), "proxyId is invalid");
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Jedis jedis = pool.getResource();
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try {
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jedis.publish("redisbungee-" + proxyId, command);
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@ -193,7 +223,7 @@ public final class RedisBungee extends Plugin implements Listener {
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for (String member : tmpRsc.smembers("server:" + configuration.getString("server-id") + ":usersOnline")) {
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// Are they simply on a different proxy?
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boolean found = false;
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for (String proxyId : configuration.getStringList("linked-servers")) {
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for (String proxyId : serverIds) {
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if (proxyId.equals(configuration.getString("server-id"))) continue;
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if (tmpRsc.sismember("server:" + proxyId + ":usersOnline", member)) {
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found = true;
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@ -240,7 +270,7 @@ public final class RedisBungee extends Plugin implements Listener {
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if (!players.contains(member)) {
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// Are they simply on a different proxy?
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boolean found = false;
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for (String proxyId : configuration.getStringList("linked-servers")) {
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for (String proxyId : serverIds) {
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if (proxyId.equals(configuration.getString("server-id"))) continue;
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if (tmpRsc.sismember("server:" + proxyId + ":usersOnline", member)) {
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// Just clean up the set.
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@ -260,7 +290,7 @@ public final class RedisBungee extends Plugin implements Listener {
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pool.returnResource(tmpRsc);
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}
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}
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}, 1, 5, TimeUnit.MINUTES);
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}, 1, 3, TimeUnit.MINUTES);
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}
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getProxy().registerChannel("RedisBungee");
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}
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@ -319,6 +349,8 @@ public final class RedisBungee extends Plugin implements Listener {
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throw new RuntimeException("linked-servers is not specified in the configuration or is empty");
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}
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serverIds = ImmutableList.copyOf(configuration.getStringList("linked-servers"));
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if (redisServer != null) {
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if (!redisServer.equals("")) {
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pool = new JedisPool(new JedisPoolConfig(), redisServer, redisPort, Protocol.DEFAULT_TIMEOUT, redisPassword);
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@ -351,7 +383,7 @@ public final class RedisBungee extends Plugin implements Listener {
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if (pool != null) {
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Jedis rsc = pool.getResource();
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try {
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for (String server : configuration.getStringList("linked-servers")) {
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for (String server : serverIds) {
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if (rsc.sismember("server:" + server + ":usersOnline", event.getConnection().getName())) {
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event.setCancelled(true);
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event.setCancelReason("You are already logged on to this server.");
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@ -419,7 +451,7 @@ public final class RedisBungee extends Plugin implements Listener {
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}
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reply.setPlayers(new ServerPing.Players(old.getPlayers().getMax(), players.size(), info));
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} else {
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reply.setPlayers(new ServerPing.Players(old.getPlayers().getMax(), getCount(), EMPTY_PLAYERINFO));
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reply.setPlayers(new ServerPing.Players(old.getPlayers().getMax(), getCount(), null));
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}
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reply.setDescription(old.getDescription());
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reply.setFavicon(old.getFavicon());
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@ -430,59 +462,55 @@ public final class RedisBungee extends Plugin implements Listener {
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@EventHandler
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public void onPluginMessage(PluginMessageEvent event) {
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if (event.getTag().equals("RedisBungee") && event.getSender() instanceof Server) {
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DataInput in = ByteStreams.newDataInput(event.getData());
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ByteArrayDataInput in = ByteStreams.newDataInput(event.getData());
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try {
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String subchannel = in.readUTF();
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ByteArrayDataOutput out = ByteStreams.newDataOutput();
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String type;
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String subchannel = in.readUTF();
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ByteArrayDataOutput out = ByteStreams.newDataOutput();
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String type;
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switch (subchannel) {
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case "PlayerList":
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out.writeUTF("Players");
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Set<String> source = Collections.emptySet();
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type = in.readUTF();
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if (type.equals("ALL")) {
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out.writeUTF("ALL");
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source = getPlayers();
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} else {
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try {
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source = getPlayersOnServer(type);
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} catch (IllegalArgumentException ignored) {
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}
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}
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out.writeUTF(Joiner.on(',').join(source));
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break;
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case "PlayerCount":
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out.writeUTF("PlayerCount");
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type = in.readUTF();
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if (type.equals("ALL")) {
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out.writeUTF("ALL");
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out.writeInt(getCount());
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} else {
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out.writeUTF(type);
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try {
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out.writeInt(getPlayersOnServer(type).size());
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} catch (IllegalArgumentException e) {
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out.writeInt(0);
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}
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switch (subchannel) {
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case "PlayerList":
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out.writeUTF("Players");
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Set<String> source = Collections.emptySet();
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type = in.readUTF();
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if (type.equals("ALL")) {
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out.writeUTF("ALL");
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source = getPlayers();
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} else {
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try {
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source = getPlayersOnServer(type);
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} catch (IllegalArgumentException ignored) {
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}
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}
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out.writeUTF(Joiner.on(',').join(source));
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break;
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case "PlayerCount":
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out.writeUTF("PlayerCount");
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type = in.readUTF();
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if (type.equals("ALL")) {
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out.writeUTF("ALL");
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out.writeInt(getCount());
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break;
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case "LastOnline":
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String user = in.readUTF();
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out.writeUTF("LastOnline");
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out.writeUTF(user);
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out.writeLong(getLastOnline(user));
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break;
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default:
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break;
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}
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((Server) event.getSender()).sendData("RedisBungee", out.toByteArray());
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} catch (IOException e) {
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throw new RuntimeException("Unable to process plugin message from " + event.getSender().getAddress(), e);
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} else {
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out.writeUTF(type);
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try {
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out.writeInt(getPlayersOnServer(type).size());
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} catch (IllegalArgumentException e) {
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out.writeInt(0);
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}
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}
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out.writeInt(getCount());
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break;
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case "LastOnline":
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String user = in.readUTF();
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out.writeUTF("LastOnline");
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out.writeUTF(user);
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out.writeLong(getLastOnline(user));
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break;
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default:
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break;
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}
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((Server) event.getSender()).sendData("RedisBungee", out.toByteArray());
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}
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}
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@ -524,6 +552,7 @@ public final class RedisBungee extends Plugin implements Listener {
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} else {
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cmd = s2;
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}
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if (s2.trim().length() == 0) return;
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getLogger().info("Invoking command from PubSub: /" + s2);
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getProxy().getPluginManager().dispatchCommand(RedisBungeeCommandSender.instance, cmd);
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}
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