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mirror of https://github.com/proxiodev/RedisBungee.git synced 2024-11-22 20:28:00 +00:00

seperate the internals from bungeecord api for easily supporting platform | progress 60%

This commit is contained in:
mohammed jasem alaajel 2022-04-13 17:14:08 +04:00
parent 165ba84791
commit 61dec7f03c
36 changed files with 945 additions and 1937 deletions

22
RedisBungee-API/pom.xml Normal file
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@ -0,0 +1,22 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>RedisBungee</artifactId>
<groupId>com.imaginarycode.minecraft</groupId>
<version>0.7.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>RedisBungee-API</artifactId>
<dependencies>
</dependencies>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
</project>

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@ -4,31 +4,34 @@ import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet; import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Multimap; import com.google.common.collect.Multimap;
import lombok.NonNull; import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
import net.md_5.bungee.api.config.ServerInfo; import com.imaginarycode.minecraft.redisbungee.internal.RedisBungeePlugin;
import org.checkerframework.checker.nullness.qual.NonNull;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPool;
import java.net.InetAddress; import java.net.InetAddress;
import java.util.*; import java.util.*;
/** /**
* This class exposes some internal RedisBungee functions. You obtain an instance of this object by invoking {@link RedisBungee#getApi()}. * This class exposes some internal RedisBungee functions. You obtain an instance of this object by invoking {@link RedisBungeePlugin#getApi()}.
* *
* @author tuxed * @author tuxed
* @since 0.2.3 * @since 0.2.3
*
*/ */
@SuppressWarnings("unused") @SuppressWarnings("unused")
public class RedisBungeeAPI { public class RedisBungeeAPI {
private final RedisBungee plugin; private final RedisBungeePlugin<?> plugin;
private final List<String> reservedChannels; private final List<String> reservedChannels;
private static RedisBungeeAPI redisBungeeApi; private static RedisBungeeAPI redisBungeeApi;
RedisBungeeAPI(RedisBungee plugin) { RedisBungeeAPI(RedisBungeePlugin<?> plugin) {
this.plugin = plugin; this.plugin = plugin;
redisBungeeApi = this; redisBungeeApi = this;
this.reservedChannels = ImmutableList.of( this.reservedChannels = ImmutableList.of(
"redisbungee-allservers", "redisbungee-allservers",
"redisbungee-" + RedisBungee.getConfiguration().getServerId(), "redisbungee-" + plugin.getConfiguration().getServerId(),
"redisbungee-data" "redisbungee-data"
); );
} }
@ -58,11 +61,10 @@ public class RedisBungeeAPI {
* as well, and will return local information on them. * as well, and will return local information on them.
* *
* @param player a player name * @param player a player name
* @return a {@link net.md_5.bungee.api.config.ServerInfo} for the server the player is on. * @return a String name for the server the player is on.
*/ */
public final ServerInfo getServerFor(@NonNull UUID player) { public final String getServerFor(@NonNull UUID player) {
String server = plugin.getDataManager().getServer(player); return plugin.getDataManager().getServer(player);
return plugin.getProxy().getServerInfo(server);
} }
/** /**
@ -178,7 +180,7 @@ public class RedisBungeeAPI {
} }
/** /**
* Sends a message to a PubSub channel. The channel has to be subscribed to on this, or another redisbungee instance for {@link com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent} to fire. * Sends a message to a PubSub channel. The channel has to be subscribed to on this, or another redisbungee instance for {@link PubSubMessageEvent} to fire.
* *
* @param channel The PubSub channel * @param channel The PubSub channel
* @param message the message body to send * @param message the message body to send
@ -196,7 +198,7 @@ public class RedisBungeeAPI {
* @since 0.2.5 * @since 0.2.5
*/ */
public final String getServerId() { public final String getServerId() {
return RedisBungee.getConfiguration().getServerId(); return plugin.getConfiguration().getServerId();
} }
/** /**
@ -211,13 +213,13 @@ public class RedisBungeeAPI {
} }
/** /**
* Register (a) PubSub channel(s), so that you may handle {@link com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent} for it. * Register (a) PubSub channel(s), so that you may handle {@link PubSubMessageEvent} for it.
* *
* @param channels the channels to register * @param channels the channels to register
* @since 0.3 * @since 0.3
*/ */
public final void registerPubSubChannels(String... channels) { public final void registerPubSubChannels(String... channels) {
RedisBungee.getPubSubListener().addChannel(channels); plugin.getPubSubListener().addChannel(channels);
} }
/** /**
@ -231,7 +233,7 @@ public class RedisBungeeAPI {
Preconditions.checkArgument(!reservedChannels.contains(channel), "attempting to unregister internal channel"); Preconditions.checkArgument(!reservedChannels.contains(channel), "attempting to unregister internal channel");
} }
RedisBungee.getPubSubListener().removeChannel(channels); plugin.getPubSubListener().removeChannel(channels);
} }
/** /**
@ -302,18 +304,16 @@ public class RedisBungeeAPI {
} }
/** /**
* This gets Redis Bungee Jedis pool * This gives you instance of Jedis!
* *
* @return {@link JedisPool} * @return {@link JedisPool}
* @since 0.6.5 * @since 0.7.0
*/ */
public JedisPool getJedisPool() { public Jedis getJedisPool() {
return this.plugin.getPool(); return this.plugin.requestJedis();
} }
/** /**
* This alternative to {@link RedisBungee#getApi()}
* which now deprecated. but to maintain old plugins compatibility it won't be removed.
* *
* @return the API instance. * @return the API instance.
* @since 0.6.5 * @since 0.6.5

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@ -0,0 +1,27 @@
package com.imaginarycode.minecraft.redisbungee.events;
/**
* This event is posted when a PubSub message is received.
* <p>
* <strong>Warning</strong>: This event is fired in a separate thread!
*
* @since 0.2.6
*/
public class PubSubMessageEvent {
private final String channel;
private final String message;
public PubSubMessageEvent(String channel, String message) {
this.channel = channel;
this.message = message;
}
public String getChannel() {
return channel;
}
public String getMessage() {
return message;
}
}

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@ -0,0 +1,70 @@
package com.imaginarycode.minecraft.redisbungee.internal;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multiset;
import com.google.common.io.ByteArrayDataOutput;
import com.google.gson.Gson;
import java.net.InetAddress;
import java.util.Collection;
import java.util.List;
import java.util.Map;
public abstract class AbstractRedisBungeeListener<LE, PLE, PD, SC, PP, PM, PS> {
protected static final String ALREADY_LOGGED_IN = "§cYou are already logged on to this server. \n\nIt may help to try logging in again in a few minutes.\nIf this does not resolve your issue, please contact staff.";
protected static final String ONLINE_MODE_RECONNECT = "§cWhoops! You need to reconnect\n\nWe found someone online using your username. They were kicked and you may reconnect.\nIf this does not work, please contact staff.";
protected final RedisBungeePlugin<?> plugin;
protected final List<InetAddress> exemptAddresses;
protected final Gson gson = new Gson();
public AbstractRedisBungeeListener(RedisBungeePlugin<?> plugin, List<InetAddress> exemptAddresses) {
this.plugin = plugin;
this.exemptAddresses = exemptAddresses;
}
public abstract void onLogin(LE event);
public abstract void onPostLogin(PLE event);
public abstract void onPlayerDisconnect(PD event);
public abstract void onServerChange(SC event);
public abstract void onPing(PP event);
public abstract void onPluginMessage(PM event);
private void serializeMultiset(Multiset<String> collection, ByteArrayDataOutput output) {
output.writeInt(collection.elementSet().size());
for (Multiset.Entry<String> entry : collection.entrySet()) {
output.writeUTF(entry.getElement());
output.writeInt(entry.getCount());
}
}
@SuppressWarnings("SameParameterValue")
private void serializeMultimap(Multimap<String, String> collection, boolean includeNames, ByteArrayDataOutput output) {
output.writeInt(collection.keySet().size());
for (Map.Entry<String, Collection<String>> entry : collection.asMap().entrySet()) {
output.writeUTF(entry.getKey());
if (includeNames) {
serializeCollection(entry.getValue(), output);
} else {
output.writeInt(entry.getValue().size());
}
}
}
private void serializeCollection(Collection<?> collection, ByteArrayDataOutput output) {
output.writeInt(collection.size());
for (Object o : collection) {
output.writeUTF(o.toString());
}
}
public abstract void onPubSubMessage(PS event);
}

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@ -1,23 +1,14 @@
package com.imaginarycode.minecraft.redisbungee; package com.imaginarycode.minecraft.redisbungee.internal;
import com.google.common.cache.Cache; import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder; import com.google.common.cache.CacheBuilder;
import com.google.common.net.InetAddresses; import com.google.common.net.InetAddresses;
import com.google.common.reflect.TypeToken;
import com.google.common.util.concurrent.UncheckedExecutionException; import com.google.common.util.concurrent.UncheckedExecutionException;
import com.google.gson.Gson;
import com.google.gson.JsonObject; import com.google.gson.JsonObject;
import com.google.gson.JsonParser; import com.google.gson.JsonParser;
import com.google.gson.reflect.TypeToken;
import com.imaginarycode.minecraft.redisbungee.events.PlayerChangedServerNetworkEvent;
import com.imaginarycode.minecraft.redisbungee.events.PlayerJoinedNetworkEvent;
import com.imaginarycode.minecraft.redisbungee.events.PlayerLeftNetworkEvent;
import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent; import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.event.PlayerDisconnectEvent;
import net.md_5.bungee.api.event.PostLoginEvent;
import net.md_5.bungee.api.plugin.Listener;
import net.md_5.bungee.event.EventHandler;
import redis.clients.jedis.Jedis; import redis.clients.jedis.Jedis;
import java.net.InetAddress; import java.net.InetAddress;
@ -26,21 +17,21 @@ import java.util.UUID;
import java.util.concurrent.Callable; import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException; import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
/** /**
* This class manages all the data that RedisBungee fetches from Redis, along with updates to that data. * This class manages all the data that RedisBungee fetches from Redis, along with updates to that data.
* *
* @since 0.3.3 * @since 0.3.3
*/ */
public class DataManager implements Listener { public abstract class DataManager<P, PS, PL, PD> {
private final RedisBungee plugin; private final RedisBungeePlugin<P> plugin;
private final Cache<UUID, String> serverCache = createCache(); private final Cache<UUID, String> serverCache = createCache();
private final Cache<UUID, String> proxyCache = createCache(); private final Cache<UUID, String> proxyCache = createCache();
private final Cache<UUID, InetAddress> ipCache = createCache(); private final Cache<UUID, InetAddress> ipCache = createCache();
private final Cache<UUID, Long> lastOnlineCache = createCache(); private final Cache<UUID, Long> lastOnlineCache = createCache();
private final Gson gson = new Gson();
public DataManager(RedisBungee plugin) { public DataManager(RedisBungeePlugin<P> plugin) {
this.plugin = plugin; this.plugin = plugin;
} }
@ -55,16 +46,16 @@ public class DataManager implements Listener {
private final JsonParser parser = new JsonParser(); private final JsonParser parser = new JsonParser();
public String getServer(final UUID uuid) { public String getServer(final UUID uuid) {
ProxiedPlayer player = plugin.getProxy().getPlayer(uuid); P player = plugin.getPlayer(uuid);
if (player != null) if (player != null)
return player.getServer() != null ? player.getServer().getInfo().getName() : null; return plugin.isPlayerOnAServer(player) ? plugin.getPlayerServerName(player) : null;
try { try {
return serverCache.get(uuid, new Callable<String>() { return serverCache.get(uuid, new Callable<String>() {
@Override @Override
public String call() throws Exception { public String call() throws Exception {
try (Jedis tmpRsc = plugin.getPool().getResource()) { try (Jedis tmpRsc = plugin.requestJedis()) {
return Objects.requireNonNull(tmpRsc.hget("player:" + uuid, "server"), "user not found"); return Objects.requireNonNull(tmpRsc.hget("player:" + uuid, "server"), "user not found");
} }
} }
@ -72,22 +63,23 @@ public class DataManager implements Listener {
} catch (ExecutionException | UncheckedExecutionException e) { } catch (ExecutionException | UncheckedExecutionException e) {
if (e.getCause() instanceof NullPointerException && e.getCause().getMessage().equals("user not found")) if (e.getCause() instanceof NullPointerException && e.getCause().getMessage().equals("user not found"))
return null; // HACK return null; // HACK
plugin.getLogger().log(Level.SEVERE, "Unable to get server", e); plugin.logFatal("Unable to get server");
throw new RuntimeException("Unable to get server for " + uuid, e); throw new RuntimeException("Unable to get server for " + uuid, e);
} }
} }
public String getProxy(final UUID uuid) { public String getProxy(final UUID uuid) {
ProxiedPlayer player = plugin.getProxy().getPlayer(uuid); P player = plugin.getPlayer(uuid);
if (player != null) if (player != null)
return RedisBungee.getConfiguration().getServerId(); return plugin.getConfiguration().getServerId();
try { try {
return proxyCache.get(uuid, new Callable<String>() { return proxyCache.get(uuid, new Callable<String>() {
@Override @Override
public String call() throws Exception { public String call() throws Exception {
try (Jedis tmpRsc = plugin.getPool().getResource()) { try (Jedis tmpRsc = plugin.requestJedis()) {
return Objects.requireNonNull(tmpRsc.hget("player:" + uuid, "proxy"), "user not found"); return Objects.requireNonNull(tmpRsc.hget("player:" + uuid, "proxy"), "user not found");
} }
} }
@ -95,22 +87,22 @@ public class DataManager implements Listener {
} catch (ExecutionException | UncheckedExecutionException e) { } catch (ExecutionException | UncheckedExecutionException e) {
if (e.getCause() instanceof NullPointerException && e.getCause().getMessage().equals("user not found")) if (e.getCause() instanceof NullPointerException && e.getCause().getMessage().equals("user not found"))
return null; // HACK return null; // HACK
plugin.getLogger().log(Level.SEVERE, "Unable to get proxy", e); plugin.logFatal("Unable to get proxy");
throw new RuntimeException("Unable to get proxy for " + uuid, e); throw new RuntimeException("Unable to get proxy for " + uuid, e);
} }
} }
public InetAddress getIp(final UUID uuid) { public InetAddress getIp(final UUID uuid) {
ProxiedPlayer player = plugin.getProxy().getPlayer(uuid); P player = plugin.getPlayer(uuid);
if (player != null) if (player != null)
return player.getAddress().getAddress(); return plugin.getPlayerIp(player);
try { try {
return ipCache.get(uuid, new Callable<InetAddress>() { return ipCache.get(uuid, new Callable<InetAddress>() {
@Override @Override
public InetAddress call() throws Exception { public InetAddress call() throws Exception {
try (Jedis tmpRsc = plugin.getPool().getResource()) { try (Jedis tmpRsc = plugin.requestJedis()) {
String result = tmpRsc.hget("player:" + uuid, "ip"); String result = tmpRsc.hget("player:" + uuid, "ip");
if (result == null) if (result == null)
throw new NullPointerException("user not found"); throw new NullPointerException("user not found");
@ -121,13 +113,13 @@ public class DataManager implements Listener {
} catch (ExecutionException | UncheckedExecutionException e) { } catch (ExecutionException | UncheckedExecutionException e) {
if (e.getCause() instanceof NullPointerException && e.getCause().getMessage().equals("user not found")) if (e.getCause() instanceof NullPointerException && e.getCause().getMessage().equals("user not found"))
return null; // HACK return null; // HACK
plugin.getLogger().log(Level.SEVERE, "Unable to get IP", e); plugin.logFatal( "Unable to get IP");
throw new RuntimeException("Unable to get IP for " + uuid, e); throw new RuntimeException("Unable to get IP for " + uuid, e);
} }
} }
public long getLastOnline(final UUID uuid) { public long getLastOnline(final UUID uuid) {
ProxiedPlayer player = plugin.getProxy().getPlayer(uuid); P player = plugin.getPlayer(uuid);
if (player != null) if (player != null)
return 0; return 0;
@ -136,14 +128,14 @@ public class DataManager implements Listener {
return lastOnlineCache.get(uuid, new Callable<Long>() { return lastOnlineCache.get(uuid, new Callable<Long>() {
@Override @Override
public Long call() throws Exception { public Long call() throws Exception {
try (Jedis tmpRsc = plugin.getPool().getResource()) { try (Jedis tmpRsc = plugin.requestJedis()) {
String result = tmpRsc.hget("player:" + uuid, "online"); String result = tmpRsc.hget("player:" + uuid, "online");
return result == null ? -1 : Long.valueOf(result); return result == null ? -1 : Long.valueOf(result);
} }
} }
}); });
} catch (ExecutionException e) { } catch (ExecutionException e) {
plugin.getLogger().log(Level.SEVERE, "Unable to get last time online", e); plugin.logFatal("Unable to get last time online");
throw new RuntimeException("Unable to get last time online for " + uuid, e); throw new RuntimeException("Unable to get last time online for " + uuid, e);
} }
} }
@ -155,104 +147,153 @@ public class DataManager implements Listener {
proxyCache.invalidate(uuid); proxyCache.invalidate(uuid);
} }
@EventHandler
public void onPostLogin(PostLoginEvent event) { public void onPostLogin(PL event) {
// Invalidate all entries related to this player, since they now lie.
invalidate(event.getPlayer().getUniqueId());
} }
@EventHandler public void onPlayerDisconnect(PD event) {
public void onPlayerDisconnect(PlayerDisconnectEvent event) {
// Invalidate all entries related to this player, since they now lie.
invalidate(event.getPlayer().getUniqueId());
} }
@EventHandler public abstract void onPubSubMessage(PS event);
public void onPubSubMessage(PubSubMessageEvent event) {
if (!event.getChannel().equals("redisbungee-data")) protected void handlePubSubMessage(String channel, String message) {
if (!channel.equals("redisbungee-data"))
return; return;
// Partially deserialize the message so we can look at the action // Partially deserialize the message so we can look at the action
JsonObject jsonObject = parser.parse(event.getMessage()).getAsJsonObject(); JsonObject jsonObject = parser.parse(message).getAsJsonObject();
String source = jsonObject.get("source").getAsString(); String source = jsonObject.get("source").getAsString();
if (source.equals(RedisBungee.getConfiguration().getServerId())) if (source.equals(plugin.getConfiguration().getServerId()))
return; return;
DataManagerMessage.Action action = DataManagerMessage.Action.valueOf(jsonObject.get("action").getAsString()); DataManagerMessage.Action action = DataManagerMessage.Action.valueOf(jsonObject.get("action").getAsString());
switch (action) { switch (action) {
case JOIN: case JOIN:
final DataManagerMessage<LoginPayload> message1 = RedisBungee.getGson().fromJson(jsonObject, new TypeToken<DataManagerMessage<LoginPayload>>() { final DataManagerMessage message1 = gson.fromJson(jsonObject, new TypeToken<DataManagerMessage>() {
}.getType()); }.getType());
proxyCache.put(message1.getTarget(), message1.getSource()); proxyCache.put(message1.getTarget(), message1.getSource());
lastOnlineCache.put(message1.getTarget(), (long) 0); lastOnlineCache.put(message1.getTarget(), (long) 0);
ipCache.put(message1.getTarget(), message1.getPayload().getAddress()); ipCache.put(message1.getTarget(), ((LoginPayload)message1.getPayload()).getAddress());
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() { plugin.executeAsync(new Runnable() {
@Override @Override
public void run() { public void run() {
plugin.getProxy().getPluginManager().callEvent(new PlayerJoinedNetworkEvent(message1.getTarget())); //plugin.getProxy().getPluginManager().callEvent(new PlayerJoinedNetworkEvent(message1.getTarget()));
} }
}); });
break; break;
case LEAVE: case LEAVE:
final DataManagerMessage<LogoutPayload> message2 = RedisBungee.getGson().fromJson(jsonObject, new TypeToken<DataManagerMessage<LogoutPayload>>() { final DataManagerMessage message2 = gson.fromJson(jsonObject, new TypeToken<DataManagerMessage>() {
}.getType()); }.getType());
invalidate(message2.getTarget()); invalidate(message2.getTarget());
lastOnlineCache.put(message2.getTarget(), message2.getPayload().getTimestamp()); lastOnlineCache.put(message2.getTarget(), ((LogoutPayload)message2.getPayload()).getTimestamp());
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() { plugin.executeAsync(new Runnable() {
@Override @Override
public void run() { public void run() {
plugin.getProxy().getPluginManager().callEvent(new PlayerLeftNetworkEvent(message2.getTarget())); // plugin.getProxy().getPluginManager().callEvent(new PlayerLeftNetworkEvent(message2.getTarget()));
} }
}); });
break; break;
case SERVER_CHANGE: case SERVER_CHANGE:
final DataManagerMessage<ServerChangePayload> message3 = RedisBungee.getGson().fromJson(jsonObject, new TypeToken<DataManagerMessage<ServerChangePayload>>() { final DataManagerMessage message3 = gson.fromJson(jsonObject, new TypeToken<DataManagerMessage>() {
}.getType()); }.getType());
serverCache.put(message3.getTarget(), message3.getPayload().getServer()); serverCache.put(message3.getTarget(), ((ServerChangePayload)message3.getPayload()).getServer());
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() { plugin.executeAsync(new Runnable() {
@Override @Override
public void run() { public void run() {
plugin.getProxy().getPluginManager().callEvent(new PlayerChangedServerNetworkEvent(message3.getTarget(), message3.getPayload().getOldServer(), message3.getPayload().getServer())); //plugin.getProxy().getPluginManager().callEvent(new PlayerChangedServerNetworkEvent(message3.getTarget(), message3.getPayload().getOldServer(), message3.getPayload().getServer()));
} }
}); });
break; break;
} }
} }
@Getter
@RequiredArgsConstructor
static class DataManagerMessage<T> {
private final UUID target;
private final String source = RedisBungee.getApi().getServerId();
private final Action action; // for future use!
private final T payload;
enum Action {
public static class DataManagerMessage {
private final UUID target;
private final String source;
private final Action action; // for future use!
private final Payload payload;
public DataManagerMessage(UUID target, String source, Action action, Payload payload) {
this.target = target;
this.source = source;
this.action = action;
this.payload = payload;
}
public UUID getTarget() {
return target;
}
public String getSource() {
return source;
}
public Action getAction() {
return action;
}
public Payload getPayload() {
return payload;
}
public enum Action {
JOIN, JOIN,
LEAVE, LEAVE,
SERVER_CHANGE SERVER_CHANGE
} }
} }
@Getter public static abstract class Payload {
@RequiredArgsConstructor
static class LoginPayload {
private final InetAddress address;
} }
@Getter
@RequiredArgsConstructor public static class LoginPayload extends Payload{
static class ServerChangePayload { private final InetAddress address;
public LoginPayload(InetAddress address) {
this.address = address;
}
public InetAddress getAddress() {
return address;
}
}
public static class ServerChangePayload extends Payload{
private final String server; private final String server;
private final String oldServer; private final String oldServer;
ServerChangePayload(String server, String oldServer) {
this.server = server;
this.oldServer = oldServer;
}
public String getServer() {
return server;
}
public String getOldServer() {
return oldServer;
}
} }
@Getter
@RequiredArgsConstructor public static class LogoutPayload extends Payload {
static class LogoutPayload {
private final long timestamp; private final long timestamp;
public LogoutPayload(long timestamp) {
this.timestamp = timestamp;
}
public long getTimestamp() {
return timestamp;
}
} }
} }

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@ -0,0 +1,47 @@
package com.imaginarycode.minecraft.redisbungee.internal;
import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
import redis.clients.jedis.JedisPubSub;
import java.lang.reflect.InvocationTargetException;
public class JedisPubSubHandler extends JedisPubSub {
private final RedisBungeePlugin<?> plugin;
public JedisPubSubHandler(RedisBungeePlugin<?> plugin) {
this.plugin = plugin;
}
private Class<?> bungeeEvent;
@Override
public void onMessage(final String s, final String s2) {
if (s2.trim().length() == 0) return;
plugin.executeAsync(new Runnable() {
@Override
public void run() {
if (isBungeeEvent()) {
try {
Object object = bungeeEvent.getConstructor(String.class, String.class).newInstance(s, s2);
plugin.callEvent(object);
} catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
e.printStackTrace();
throw new RuntimeException("unable to fire pubsub event.");
}
return;
}
PubSubMessageEvent event = new PubSubMessageEvent(s, s2);
plugin.callEvent(event);
}
});
}
public boolean isBungeeEvent() {
return bungeeEvent != null;
}
public void setBungeeEvent(Class<?> clazz) {
bungeeEvent = clazz;
}
}

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@ -0,0 +1,71 @@
package com.imaginarycode.minecraft.redisbungee.internal;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.exceptions.JedisConnectionException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
public class PubSubListener implements Runnable {
private JedisPubSubHandler jpsh;
private Set<String> addedChannels = new HashSet<String>();
private final RedisBungeePlugin<?> plugin;
public PubSubListener(RedisBungeePlugin<?> plugin) {
this.plugin = plugin;
}
@Override
public void run() {
boolean broken = false;
try (Jedis rsc = plugin.requestJedis()) {
try {
jpsh = new JedisPubSubHandler(plugin);
addedChannels.add("redisbungee-" + plugin.getConfiguration().getServerId());
addedChannels.add("redisbungee-allservers");
addedChannels.add("redisbungee-data");
rsc.subscribe(jpsh, addedChannels.toArray(new String[0]));
} catch (Exception e) {
// FIXME: Extremely ugly hack
// Attempt to unsubscribe this instance and try again.
plugin.logWarn("PubSub error, attempting to recover.");
try {
jpsh.unsubscribe();
} catch (Exception e1) {
/* This may fail with
- java.net.SocketException: Broken pipe
- redis.clients.jedis.exceptions.JedisConnectionException: JedisPubSub was not subscribed to a Jedis instance
*/
}
broken = true;
}
} catch (JedisConnectionException e) {
plugin.logWarn("PubSub error, attempting to recover in 5 secs.");
plugin.executeAsyncAfter(this, TimeUnit.SECONDS, 5);
}
if (broken) {
run();
}
}
public void addChannel(String... channel) {
addedChannels.addAll(Arrays.asList(channel));
jpsh.subscribe(channel);
}
public void removeChannel(String... channel) {
Arrays.asList(channel).forEach(addedChannels::remove);
jpsh.unsubscribe(channel);
}
public void poison() {
addedChannels.clear();
jpsh.unsubscribe();
}
}

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@ -0,0 +1,36 @@
package com.imaginarycode.minecraft.redisbungee.internal;
import com.google.common.collect.ImmutableList;
import com.google.common.net.InetAddresses;
import java.net.InetAddress;
import java.util.List;
public class RedisBungeeConfiguration {
private final String serverId;
private final List<InetAddress> exemptAddresses;
private static RedisBungeeConfiguration config;
public RedisBungeeConfiguration(String serverId, List<String> exemptAddresses) {
this.serverId = serverId;
ImmutableList.Builder<InetAddress> addressBuilder = ImmutableList.builder();
for (String s : exemptAddresses) {
addressBuilder.add(InetAddresses.forString(s));
}
this.exemptAddresses = addressBuilder.build();
config = this;
}
public String getServerId() {
return serverId;
}
public List<InetAddress> getExemptAddresses() {
return exemptAddresses;
}
public static RedisBungeeConfiguration getConfig() {
return config;
}
}

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@ -0,0 +1,79 @@
package com.imaginarycode.minecraft.redisbungee.internal;
import com.google.common.collect.Multimap;
import com.imaginarycode.minecraft.redisbungee.RedisBungeeAPI;
import com.imaginarycode.minecraft.redisbungee.internal.util.uuid.UUIDTranslator;
import redis.clients.jedis.Jedis;
import java.net.InetAddress;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
public interface RedisBungeePlugin<P> {
void enable();
void disable();
RedisBungeeConfiguration getConfiguration();
int getCount();
DataManager<P, ?, ?, ?> getDataManager();
Set<UUID> getPlayers();
Jedis requestJedis();
RedisBungeeAPI getApi();
UUIDTranslator getUuidTranslator();
Multimap<String, UUID> serversToPlayers();
Set<UUID> getPlayersOnProxy(String proxyId);
void sendProxyCommand(String serverId, String command);
List<String> getServerIds();
PubSubListener getPubSubListener();
void sendChannelMessage(String channel, String message);
void executeAsync(Runnable runnable);
void executeAsyncAfter(Runnable runnable, TimeUnit timeUnit, int seconds);
void callEvent(Object object);
boolean isOnlineMode();
void logInfo(String msg);
void logWarn(String msg);
void logFatal(String msg);
boolean isPlayerServerNull(P player);
P getPlayer(UUID uuid);
P getPlayer(String name);
UUID getPlayerUUID(String player);
String getPlayerName(UUID player);
String getPlayerServerName(P player);
boolean isPlayerOnAServer(P player);
InetAddress getPlayerIp(P player);
void executeProxyCommand(String cmd);
}

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@ -0,0 +1,51 @@
package com.imaginarycode.minecraft.redisbungee.internal;
import com.google.common.annotations.VisibleForTesting;
import com.google.gson.Gson;
import com.imaginarycode.minecraft.redisbungee.RedisBungeeAPI;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Pipeline;
import java.util.UUID;
@VisibleForTesting
public class RedisUtil {
private static final Gson gson = new Gson();
public static void cleanUpPlayer(String player, Jedis rsc) {
rsc.srem("proxy:" + RedisBungeeAPI.getRedisBungeeApi().getServerId() + ":usersOnline", player);
rsc.hdel("player:" + player, "server", "ip", "proxy");
long timestamp = System.currentTimeMillis();
rsc.hset("player:" + player, "online", String.valueOf(timestamp));
rsc.publish("redisbungee-data", gson.toJson(new DataManager.DataManagerMessage(
UUID.fromString(player), RedisBungeeAPI.getRedisBungeeApi().getServerId(), DataManager.DataManagerMessage.Action.LEAVE,
new DataManager.LogoutPayload(timestamp))));
}
public static void cleanUpPlayer(String player, Pipeline rsc) {
rsc.srem("proxy:" + RedisBungeeAPI.getRedisBungeeApi().getServerId() + ":usersOnline", player);
rsc.hdel("player:" + player, "server", "ip", "proxy");
long timestamp = System.currentTimeMillis();
rsc.hset("player:" + player, "online", String.valueOf(timestamp));
rsc.publish("redisbungee-data", gson.toJson(new DataManager.DataManagerMessage(
UUID.fromString(player), RedisBungeeAPI.getRedisBungeeApi().getServerId(), DataManager.DataManagerMessage.Action.LEAVE,
new DataManager.LogoutPayload(timestamp))));
}
public static boolean isRedisVersionRight(String redisVersion) {
// Need to use >=6.2 to use Lua optimizations.
String[] args = redisVersion.split("\\.");
if (args.length < 2) {
return false;
}
int major = Integer.parseInt(args[0]);
int minor = Integer.parseInt(args[1]);
return major >= 6 && minor >= 0;
}
// Ham1255: i am keeping this if some plugin uses this *IF*
@Deprecated
public static boolean canUseLua(String redisVersion) {
return isRedisVersionRight(redisVersion);
}
}

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@ -1,14 +1,12 @@
package com.imaginarycode.minecraft.redisbungee.util; package com.imaginarycode.minecraft.redisbungee.internal.util;
import com.google.common.io.ByteStreams; import com.google.common.io.ByteStreams;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class IOUtil { public class IOUtil {
public static String readInputStreamAsString(InputStream is) { public static String readInputStreamAsString(InputStream is) {
String string; String string;

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@ -1,32 +1,46 @@
package com.imaginarycode.minecraft.redisbungee.util; package com.imaginarycode.minecraft.redisbungee.internal.util;
import com.imaginarycode.minecraft.redisbungee.RedisBungee; import com.imaginarycode.minecraft.redisbungee.internal.RedisBungeePlugin;
import lombok.RequiredArgsConstructor;
import redis.clients.jedis.Jedis; import redis.clients.jedis.Jedis;
import redis.clients.jedis.exceptions.JedisDataException; import redis.clients.jedis.exceptions.JedisDataException;
import java.util.List; import java.util.List;
@RequiredArgsConstructor
public class LuaManager { public class LuaManager {
private final RedisBungee plugin; private final RedisBungeePlugin<?> plugin;
public LuaManager(RedisBungeePlugin<?> plugin) {
this.plugin = plugin;
}
public Script createScript(String script) { public Script createScript(String script) {
try (Jedis jedis = plugin.getPool().getResource()) { try (Jedis jedis = plugin.requestJedis()) {
String hash = jedis.scriptLoad(script); String hash = jedis.scriptLoad(script);
return new Script(script, hash); return new Script(script, hash);
} }
} }
@RequiredArgsConstructor
public class Script { public class Script {
private final String script; private final String script;
private final String hashed; private final String hashed;
public Script(String script, String hashed) {
this.script = script;
this.hashed = hashed;
}
public String getScript() {
return script;
}
public String getHashed() {
return hashed;
}
public Object eval(List<String> keys, List<String> args) { public Object eval(List<String> keys, List<String> args) {
Object data; Object data;
try (Jedis jedis = plugin.getPool().getResource()) { try (Jedis jedis = plugin.requestJedis()) {
try { try {
data = jedis.evalsha(hashed, keys, args); data = jedis.evalsha(hashed, keys, args);
} catch (JedisDataException e) { } catch (JedisDataException e) {

View File

@ -1,16 +1,19 @@
package com.imaginarycode.minecraft.redisbungee.util; package com.imaginarycode.minecraft.redisbungee.internal.util;
import com.imaginarycode.minecraft.redisbungee.RedisBungee; import com.imaginarycode.minecraft.redisbungee.internal.RedisBungeePlugin;
import lombok.AllArgsConstructor;
import redis.clients.jedis.Jedis; import redis.clients.jedis.Jedis;
import redis.clients.jedis.exceptions.JedisConnectionException; import redis.clients.jedis.exceptions.JedisConnectionException;
import java.util.concurrent.Callable; import java.util.concurrent.Callable;
import java.util.logging.Level;
@AllArgsConstructor
public abstract class RedisCallable<T> implements Callable<T>, Runnable { public abstract class RedisCallable<T> implements Callable<T>, Runnable {
private final RedisBungee plugin; private final RedisBungeePlugin<?> plugin;
public RedisCallable(RedisBungeePlugin<?> plugin) {
this.plugin = plugin;
}
@Override @Override
public T call() { public T call() {
@ -22,10 +25,10 @@ public abstract class RedisCallable<T> implements Callable<T>, Runnable {
} }
private T run(boolean retry) { private T run(boolean retry) {
try (Jedis jedis = plugin.getPool().getResource()) { try (Jedis jedis = plugin.requestJedis()) {
return call(jedis); return call(jedis);
} catch (JedisConnectionException e) { } catch (JedisConnectionException e) {
plugin.getLogger().log(Level.SEVERE, "Unable to get connection", e); plugin.logFatal("Unable to get connection");
if (!retry) { if (!retry) {
// Wait one second before retrying the task // Wait one second before retrying the task

View File

@ -1,24 +1,23 @@
package com.imaginarycode.minecraft.redisbungee.util.uuid; package com.imaginarycode.minecraft.redisbungee.internal.util.uuid;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken; import com.google.gson.reflect.TypeToken;
import com.imaginarycode.minecraft.redisbungee.RedisBungee;
import com.squareup.okhttp.OkHttpClient; import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request; import com.squareup.okhttp.Request;
import com.squareup.okhttp.ResponseBody; import com.squareup.okhttp.ResponseBody;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.Setter;
import java.io.IOException; import java.io.IOException;
import java.lang.reflect.Type; import java.lang.reflect.Type;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.List; import java.util.List;
import java.util.UUID; import java.util.UUID;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class NameFetcher { public class NameFetcher {
@Setter
private static OkHttpClient httpClient; private static OkHttpClient httpClient;
private static final Gson gson = new Gson();
public static void setHttpClient(OkHttpClient httpClient) {
NameFetcher.httpClient = httpClient;
}
public static List<String> nameHistoryFromUuid(UUID uuid) throws IOException { public static List<String> nameHistoryFromUuid(UUID uuid) throws IOException {
String url = "https://api.mojang.com/user/profiles/" + uuid.toString().replace("-", "") + "/names"; String url = "https://api.mojang.com/user/profiles/" + uuid.toString().replace("-", "") + "/names";
@ -29,7 +28,7 @@ public class NameFetcher {
Type listType = new TypeToken<List<Name>>() { Type listType = new TypeToken<List<Name>>() {
}.getType(); }.getType();
List<Name> names = RedisBungee.getGson().fromJson(response, listType); List<Name> names = gson.fromJson(response, listType);
List<String> humanNames = new ArrayList<>(); List<String> humanNames = new ArrayList<>();
for (Name name : names) { for (Name name : names) {

View File

@ -1,9 +1,8 @@
package com.imaginarycode.minecraft.redisbungee.util.uuid; package com.imaginarycode.minecraft.redisbungee.internal.util.uuid;
import com.google.common.collect.ImmutableList; import com.google.common.collect.ImmutableList;
import com.imaginarycode.minecraft.redisbungee.RedisBungee; import com.google.gson.Gson;
import com.squareup.okhttp.*; import com.squareup.okhttp.*;
import lombok.Setter;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
@ -18,8 +17,13 @@ public class UUIDFetcher implements Callable<Map<String, UUID>> {
private static final MediaType JSON = MediaType.parse("application/json"); private static final MediaType JSON = MediaType.parse("application/json");
private final List<String> names; private final List<String> names;
private final boolean rateLimiting; private final boolean rateLimiting;
private static final Gson gson = new Gson();
public static void setHttpClient(OkHttpClient httpClient) {
UUIDFetcher.httpClient = httpClient;
}
@Setter
private static OkHttpClient httpClient; private static OkHttpClient httpClient;
private UUIDFetcher(List<String> names, boolean rateLimiting) { private UUIDFetcher(List<String> names, boolean rateLimiting) {
@ -39,12 +43,12 @@ public class UUIDFetcher implements Callable<Map<String, UUID>> {
Map<String, UUID> uuidMap = new HashMap<>(); Map<String, UUID> uuidMap = new HashMap<>();
int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST); int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
for (int i = 0; i < requests; i++) { for (int i = 0; i < requests; i++) {
String body = RedisBungee.getGson().toJson(names.subList(i * 100, Math.min((i + 1) * 100, names.size()))); String body = gson.toJson(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
Request request = new Request.Builder().url(PROFILE_URL).post(RequestBody.create(JSON, body)).build(); Request request = new Request.Builder().url(PROFILE_URL).post(RequestBody.create(JSON, body)).build();
ResponseBody responseBody = httpClient.newCall(request).execute().body(); ResponseBody responseBody = httpClient.newCall(request).execute().body();
String response = responseBody.string(); String response = responseBody.string();
responseBody.close(); responseBody.close();
Profile[] array = RedisBungee.getGson().fromJson(response, Profile[].class); Profile[] array = gson.fromJson(response, Profile[].class);
for (Profile profile : array) { for (Profile profile : array) {
UUID uuid = UUIDFetcher.getUUID(profile.id); UUID uuid = UUIDFetcher.getUUID(profile.id);
uuidMap.put(profile.name, uuid); uuidMap.put(profile.name, uuid);

View File

@ -1,13 +1,12 @@
package com.imaginarycode.minecraft.redisbungee.util.uuid; package com.imaginarycode.minecraft.redisbungee.internal.util.uuid;
import com.google.common.base.Charsets; import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableMap; import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables; import com.google.common.collect.Iterables;
import com.imaginarycode.minecraft.redisbungee.RedisBungee; import com.google.gson.Gson;
import lombok.Getter; import com.imaginarycode.minecraft.redisbungee.internal.RedisBungeePlugin;
import lombok.NonNull;
import lombok.RequiredArgsConstructor; import org.checkerframework.checker.nullness.qual.NonNull;
import net.md_5.bungee.api.ProxyServer;
import redis.clients.jedis.Jedis; import redis.clients.jedis.Jedis;
import redis.clients.jedis.Pipeline; import redis.clients.jedis.Pipeline;
import redis.clients.jedis.exceptions.JedisException; import redis.clients.jedis.exceptions.JedisException;
@ -17,13 +16,17 @@ import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Level; import java.util.logging.Level;
import java.util.regex.Pattern; import java.util.regex.Pattern;
@RequiredArgsConstructor
public final class UUIDTranslator { public final class UUIDTranslator {
private static final Pattern UUID_PATTERN = Pattern.compile("[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}"); private static final Pattern UUID_PATTERN = Pattern.compile("[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}");
private static final Pattern MOJANGIAN_UUID_PATTERN = Pattern.compile("[a-fA-F0-9]{32}"); private static final Pattern MOJANGIAN_UUID_PATTERN = Pattern.compile("[a-fA-F0-9]{32}");
private final RedisBungee plugin; private final RedisBungeePlugin<?> plugin;
private final Map<String, CachedUUIDEntry> nameToUuidMap = new ConcurrentHashMap<>(128, 0.5f, 4); private final Map<String, CachedUUIDEntry> nameToUuidMap = new ConcurrentHashMap<>(128, 0.5f, 4);
private final Map<UUID, CachedUUIDEntry> uuidToNameMap = new ConcurrentHashMap<>(128, 0.5f, 4); private final Map<UUID, CachedUUIDEntry> uuidToNameMap = new ConcurrentHashMap<>(128, 0.5f, 4);
private static final Gson gson = new Gson();
public UUIDTranslator(RedisBungeePlugin<?> plugin) {
this.plugin = plugin;
}
private void addToMaps(String name, UUID uuid) { private void addToMaps(String name, UUID uuid) {
// This is why I like LocalDate... // This is why I like LocalDate...
@ -41,8 +44,8 @@ public final class UUIDTranslator {
public final UUID getTranslatedUuid(@NonNull String player, boolean expensiveLookups) { public final UUID getTranslatedUuid(@NonNull String player, boolean expensiveLookups) {
// If the player is online, give them their UUID. // If the player is online, give them their UUID.
// Remember, local data > remote data. // Remember, local data > remote data.
if (ProxyServer.getInstance().getPlayer(player) != null) if (plugin.getPlayer(player) != null)
return ProxyServer.getInstance().getPlayer(player).getUniqueId(); return plugin.getPlayerUUID(player);
// Check if it exists in the map // Check if it exists in the map
CachedUUIDEntry cachedUUIDEntry = nameToUuidMap.get(player.toLowerCase()); CachedUUIDEntry cachedUUIDEntry = nameToUuidMap.get(player.toLowerCase());
@ -65,16 +68,16 @@ public final class UUIDTranslator {
// If we are in offline mode, UUID generation is simple. // If we are in offline mode, UUID generation is simple.
// We don't even have to cache the UUID, since this is easy to recalculate. // We don't even have to cache the UUID, since this is easy to recalculate.
if (!plugin.getProxy().getConfig().isOnlineMode()) { if (!plugin.isOnlineMode()) {
return UUID.nameUUIDFromBytes(("OfflinePlayer:" + player).getBytes(Charsets.UTF_8)); return UUID.nameUUIDFromBytes(("OfflinePlayer:" + player).getBytes(Charsets.UTF_8));
} }
// Let's try Redis. // Let's try Redis.
try (Jedis jedis = plugin.getPool().getResource()) { try (Jedis jedis = plugin.requestJedis()) {
String stored = jedis.hget("uuid-cache", player.toLowerCase()); String stored = jedis.hget("uuid-cache", player.toLowerCase());
if (stored != null) { if (stored != null) {
// Found an entry value. Deserialize it. // Found an entry value. Deserialize it.
CachedUUIDEntry entry = RedisBungee.getGson().fromJson(stored, CachedUUIDEntry.class); CachedUUIDEntry entry = gson.fromJson(stored, CachedUUIDEntry.class);
// Check for expiry: // Check for expiry:
if (entry.expired()) { if (entry.expired()) {
@ -89,14 +92,14 @@ public final class UUIDTranslator {
} }
// That didn't work. Let's ask Mojang. // That didn't work. Let's ask Mojang.
if (!expensiveLookups || !ProxyServer.getInstance().getConfig().isOnlineMode()) if (!expensiveLookups || !plugin.isOnlineMode())
return null; return null;
Map<String, UUID> uuidMap1; Map<String, UUID> uuidMap1;
try { try {
uuidMap1 = new UUIDFetcher(Collections.singletonList(player)).call(); uuidMap1 = new UUIDFetcher(Collections.singletonList(player)).call();
} catch (Exception e) { } catch (Exception e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch UUID from Mojang for " + player, e); plugin.logFatal("Unable to fetch UUID from Mojang for " + player);
return null; return null;
} }
for (Map.Entry<String, UUID> entry : uuidMap1.entrySet()) { for (Map.Entry<String, UUID> entry : uuidMap1.entrySet()) {
@ -106,7 +109,7 @@ public final class UUIDTranslator {
} }
} }
} catch (JedisException e) { } catch (JedisException e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch UUID for " + player, e); plugin.logFatal("Unable to fetch UUID for " + player);
} }
return null; // Nope, game over! return null; // Nope, game over!
@ -115,8 +118,8 @@ public final class UUIDTranslator {
public final String getNameFromUuid(@NonNull UUID player, boolean expensiveLookups) { public final String getNameFromUuid(@NonNull UUID player, boolean expensiveLookups) {
// If the player is online, give them their UUID. // If the player is online, give them their UUID.
// Remember, local data > remote data. // Remember, local data > remote data.
if (ProxyServer.getInstance().getPlayer(player) != null) if (plugin.getPlayer(player) != null)
return ProxyServer.getInstance().getPlayer(player).getName(); return plugin.getPlayerName(player);
// Check if it exists in the map // Check if it exists in the map
CachedUUIDEntry cachedUUIDEntry = uuidToNameMap.get(player); CachedUUIDEntry cachedUUIDEntry = uuidToNameMap.get(player);
@ -128,11 +131,11 @@ public final class UUIDTranslator {
} }
// Okay, it wasn't locally cached. Let's try Redis. // Okay, it wasn't locally cached. Let's try Redis.
try (Jedis jedis = plugin.getPool().getResource()) { try (Jedis jedis = plugin.requestJedis()) {
String stored = jedis.hget("uuid-cache", player.toString()); String stored = jedis.hget("uuid-cache", player.toString());
if (stored != null) { if (stored != null) {
// Found an entry value. Deserialize it. // Found an entry value. Deserialize it.
CachedUUIDEntry entry = RedisBungee.getGson().fromJson(stored, CachedUUIDEntry.class); CachedUUIDEntry entry = gson.fromJson(stored, CachedUUIDEntry.class);
// Check for expiry: // Check for expiry:
if (entry.expired()) { if (entry.expired()) {
@ -147,7 +150,7 @@ public final class UUIDTranslator {
} }
} }
if (!expensiveLookups || !ProxyServer.getInstance().getConfig().isOnlineMode()) if (!expensiveLookups || !plugin.isOnlineMode())
return null; return null;
// That didn't work. Let's ask Mojang. This call may fail, because Mojang is insane. // That didn't work. Let's ask Mojang. This call may fail, because Mojang is insane.
@ -156,7 +159,7 @@ public final class UUIDTranslator {
List<String> nameHist = NameFetcher.nameHistoryFromUuid(player); List<String> nameHist = NameFetcher.nameHistoryFromUuid(player);
name = Iterables.getLast(nameHist, null); name = Iterables.getLast(nameHist, null);
} catch (Exception e) { } catch (Exception e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch name from Mojang for " + player, e); plugin.logFatal("Unable to fetch name from Mojang for " + player);
return null; return null;
} }
@ -167,30 +170,46 @@ public final class UUIDTranslator {
return null; return null;
} catch (JedisException e) { } catch (JedisException e) {
plugin.getLogger().log(Level.SEVERE, "Unable to fetch name for " + player, e); plugin.logFatal("Unable to fetch name for " + player);
return null; return null;
} }
} }
public final void persistInfo(String name, UUID uuid, Jedis jedis) { public final void persistInfo(String name, UUID uuid, Jedis jedis) {
addToMaps(name, uuid); addToMaps(name, uuid);
String json = RedisBungee.getGson().toJson(uuidToNameMap.get(uuid)); String json = gson.toJson(uuidToNameMap.get(uuid));
jedis.hmset("uuid-cache", ImmutableMap.of(name.toLowerCase(), json, uuid.toString(), json)); jedis.hmset("uuid-cache", ImmutableMap.of(name.toLowerCase(), json, uuid.toString(), json));
} }
public final void persistInfo(String name, UUID uuid, Pipeline jedis) { public final void persistInfo(String name, UUID uuid, Pipeline jedis) {
addToMaps(name, uuid); addToMaps(name, uuid);
String json = RedisBungee.getGson().toJson(uuidToNameMap.get(uuid)); String json = gson.toJson(uuidToNameMap.get(uuid));
jedis.hmset("uuid-cache", ImmutableMap.of(name.toLowerCase(), json, uuid.toString(), json)); jedis.hmset("uuid-cache", ImmutableMap.of(name.toLowerCase(), json, uuid.toString(), json));
} }
@RequiredArgsConstructor private static class CachedUUIDEntry {
@Getter
private class CachedUUIDEntry {
private final String name; private final String name;
private final UUID uuid; private final UUID uuid;
private final Calendar expiry; private final Calendar expiry;
public CachedUUIDEntry(String name, UUID uuid, Calendar expiry) {
this.name = name;
this.uuid = uuid;
this.expiry = expiry;
}
public String getName() {
return name;
}
public UUID getUuid() {
return uuid;
}
public Calendar getExpiry() {
return expiry;
}
public boolean expired() { public boolean expired() {
return Calendar.getInstance().after(expiry); return Calendar.getInstance().after(expiry);
} }

110
RedisBungee-Bungee/pom.xml Normal file
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@ -0,0 +1,110 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>RedisBungee</artifactId>
<groupId>com.imaginarycode.minecraft</groupId>
<version>0.7.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>RedisBungee-Bungee</artifactId>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
</properties>
<repositories>
<repository>
<id>bungeecord-repo</id>
<url>https://oss.sonatype.org/content/repositories/snapshots</url>
</repository>
</repositories>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.4</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<relocations>
<relocation>
<pattern>redis.clients.jedis</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.jedis
</shadedPattern>
</relocation>
<relocation>
<pattern>redis.clients.util</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.jedisutil
</shadedPattern>
</relocation>
<relocation>
<pattern>org.apache.commons.pool</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.commonspool
</shadedPattern>
</relocation>
<relocation>
<pattern>com.squareup.okhttp</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.okhttp
</shadedPattern>
</relocation>
<relocation>
<pattern>okio</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.okio
</shadedPattern>
</relocation>
</relocations>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.3.0</version>
<configuration>
<source>8</source>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>com.imaginarycode.minecraft</groupId>
<artifactId>RedisBungee-API</artifactId>
<version>0.7.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>net.md-5</groupId>
<artifactId>bungeecord-api</artifactId>
<version>1.17-R0.1-SNAPSHOT</version>
<type>jar</type>
<scope>provided</scope>
</dependency>
</dependencies>
</project>

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@ -0,0 +1,39 @@
package com.imaginarycode.minecraft.redisbungee;
import com.google.gson.Gson;
import com.imaginarycode.minecraft.redisbungee.internal.DataManager;
import net.md_5.bungee.api.connection.PendingConnection;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import redis.clients.jedis.Pipeline;
import java.util.HashMap;
import java.util.Map;
public class RBUtils {
private static final Gson gson = new Gson();
protected static void createPlayer(ProxiedPlayer player, Pipeline pipeline, boolean fireEvent) {
createPlayer(player.getPendingConnection(), pipeline, fireEvent);
if (player.getServer() != null)
pipeline.hset("player:" + player.getUniqueId().toString(), "server", player.getServer().getInfo().getName());
}
protected static void createPlayer(PendingConnection connection, Pipeline pipeline, boolean fireEvent) {
Map<String, String> playerData = new HashMap<>(4);
playerData.put("online", "0");
playerData.put("ip", connection.getAddress().getAddress().getHostAddress());
playerData.put("proxy", RedisBungeeAPI.getRedisBungeeApi().getServerId());
pipeline.sadd("proxy:" + RedisBungeeAPI.getRedisBungeeApi().getServerId() + ":usersOnline", connection.getUniqueId().toString());
pipeline.hmset("player:" + connection.getUniqueId().toString(), playerData);
if (fireEvent) {
pipeline.publish("redisbungee-data", gson.toJson(new DataManager.DataManagerMessage(
connection.getUniqueId(), RedisBungeeAPI.getRedisBungeeApi().getServerId(), DataManager.DataManagerMessage.Action.JOIN,
new DataManager.LoginPayload(connection.getAddress().getAddress()))));
}
}
}

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@ -0,0 +1,135 @@
package com.imaginarycode.minecraft.redisbungee;
import com.imaginarycode.minecraft.redisbungee.internal.AbstractRedisBungeeListener;
import com.imaginarycode.minecraft.redisbungee.internal.DataManager;
import com.imaginarycode.minecraft.redisbungee.internal.RedisBungeePlugin;
import com.imaginarycode.minecraft.redisbungee.events.bungee.PubSubMessageEvent;
import com.imaginarycode.minecraft.redisbungee.internal.RedisUtil;
import com.imaginarycode.minecraft.redisbungee.internal.util.RedisCallable;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.event.*;
import net.md_5.bungee.api.plugin.Listener;
import net.md_5.bungee.api.plugin.Plugin;
import net.md_5.bungee.event.EventHandler;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Pipeline;
import java.net.InetAddress;
import java.util.List;
public class RedisBungeeListener extends AbstractRedisBungeeListener<LoginEvent, PostLoginEvent, PlayerDisconnectEvent, ServerConnectedEvent, ProxyPingEvent, PluginMessageEvent, PubSubMessageEvent> implements Listener {
public RedisBungeeListener(RedisBungeePlugin<?> plugin, List<InetAddress> exemptAddresses) {
super(plugin, exemptAddresses);
}
@Override
@EventHandler
public void onLogin(LoginEvent event) {
event.registerIntent((Plugin) plugin);
plugin.executeAsync(new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
try {
if (event.isCancelled()) {
return null;
}
// We make sure they aren't trying to use an existing player's name.
// This is problematic for online-mode servers as they always disconnect old clients.
if (plugin.isOnlineMode()) {
ProxiedPlayer player = (ProxiedPlayer) plugin.getPlayer(event.getConnection().getName());
if (player != null) {
event.setCancelled(true);
// TODO: Make it accept a BaseComponent[] like everything else.
event.setCancelReason(ONLINE_MODE_RECONNECT);
return null;
}
}
for (String s : plugin.getServerIds()) {
if (jedis.sismember("proxy:" + s + ":usersOnline", event.getConnection().getUniqueId().toString())) {
event.setCancelled(true);
// TODO: Make it accept a BaseComponent[] like everything else.
event.setCancelReason(ALREADY_LOGGED_IN);
return null;
}
}
return null;
} finally {
event.completeIntent((Plugin) plugin);
}
}
});
}
@Override
@EventHandler
public void onPostLogin(PostLoginEvent event) {
plugin.executeAsync(new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
// this code was moved out from login event due being async..
// and it can be cancelled but it will show as false in redis-bungee
// which will register the player into the redis database.
Pipeline pipeline = jedis.pipelined();
plugin.getUuidTranslator().persistInfo(event.getPlayer().getName(), event.getPlayer().getUniqueId(), pipeline);
RBUtils.createPlayer(event.getPlayer(), pipeline, false);
pipeline.sync();
// the end of moved code.
jedis.publish("redisbungee-data", gson.toJson(new DataManager.DataManagerMessage(
event.getPlayer().getUniqueId(), plugin.getApi().getServerId(), DataManager.DataManagerMessage.Action.JOIN,
new DataManager.LoginPayload(event.getPlayer().getAddress().getAddress()))));
return null;
}
});
}
@Override
@EventHandler
public void onPlayerDisconnect(PlayerDisconnectEvent event) {
plugin.executeAsync(new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
Pipeline pipeline = jedis.pipelined();
RedisUtil.cleanUpPlayer(event.getPlayer().getUniqueId().toString(), pipeline);
pipeline.sync();
return null;
}
});
}
@Override
@EventHandler
public void onServerChange(ServerConnectedEvent event) {
}
@Override
@EventHandler
public void onPing(ProxyPingEvent event) {
}
@Override
@EventHandler
public void onPluginMessage(PluginMessageEvent event) {
}
@Override
@EventHandler
public void onPubSubMessage(PubSubMessageEvent event) {
if (event.getChannel().equals("redisbungee-allservers") || event.getChannel().equals("redisbungee-" + plugin.getApi().getServerId())) {
String message = event.getMessage();
if (message.startsWith("/"))
message = message.substring(1);
plugin.logInfo("Invoking command via PubSub: /" + message);
plugin.executeProxyCommand(message);
}
}
}

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@ -1,7 +1,5 @@
package com.imaginarycode.minecraft.redisbungee.events; package com.imaginarycode.minecraft.redisbungee.events.bungee;
import lombok.RequiredArgsConstructor;
import lombok.ToString;
import net.md_5.bungee.api.plugin.Event; import net.md_5.bungee.api.plugin.Event;
/** /**
@ -11,12 +9,16 @@ import net.md_5.bungee.api.plugin.Event;
* *
* @since 0.2.6 * @since 0.2.6
*/ */
@RequiredArgsConstructor
@ToString
public class PubSubMessageEvent extends Event { public class PubSubMessageEvent extends Event {
private final String channel; private final String channel;
private final String message; private final String message;
public PubSubMessageEvent(String channel, String message) {
this.channel = channel;
this.message = message;
}
public String getChannel() { public String getChannel() {
return channel; return channel;
} }

94
pom.xml
View File

@ -6,87 +6,34 @@
<groupId>com.imaginarycode.minecraft</groupId> <groupId>com.imaginarycode.minecraft</groupId>
<artifactId>RedisBungee</artifactId> <artifactId>RedisBungee</artifactId>
<packaging>pom</packaging>
<version>0.7.0-SNAPSHOT</version> <version>0.7.0-SNAPSHOT</version>
<repositories>
<repository>
<id>bungeecord-repo</id>
<url>https://oss.sonatype.org/content/repositories/snapshots</url>
</repository>
</repositories>
<build> <build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins> <plugins>
<plugin> <plugin>
<groupId>org.apache.maven.plugins</groupId> <groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId> <artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.4</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<relocations>
<relocation>
<pattern>redis.clients.jedis</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.jedis
</shadedPattern>
</relocation>
<relocation>
<pattern>redis.clients.util</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.jedisutil
</shadedPattern>
</relocation>
<relocation>
<pattern>org.apache.commons.pool</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.commonspool
</shadedPattern>
</relocation>
<relocation>
<pattern>com.squareup.okhttp</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.okhttp
</shadedPattern>
</relocation>
<relocation>
<pattern>okio</pattern>
<shadedPattern>com.imaginarycode.minecraft.redisbungee.internal.okio
</shadedPattern>
</relocation>
</relocations>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.3.0</version>
<configuration> <configuration>
<source>8</source> <source>8</source>
<target>8</target>
</configuration> </configuration>
</plugin> </plugin>
</plugins> </plugins>
</build> </build>
<modules>
<module>RedisBungee-API</module>
<module>RedisBungee-Bungee</module>
</modules>
<dependencies> <dependencies>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>31.1-jre</version>
<scope>compile</scope>
</dependency>
<dependency> <dependency>
<groupId>redis.clients</groupId> <groupId>redis.clients</groupId>
<artifactId>jedis</artifactId> <artifactId>jedis</artifactId>
@ -99,19 +46,6 @@
<version>2.11.1</version> <version>2.11.1</version>
<scope>compile</scope> <scope>compile</scope>
</dependency> </dependency>
<dependency>
<groupId>net.md-5</groupId>
<artifactId>bungeecord-api</artifactId>
<version>1.17-R0.1-SNAPSHOT</version>
<type>jar</type>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.22</version>
<scope>provided</scope>
</dependency>
<dependency> <dependency>
<groupId>com.squareup.okhttp</groupId> <groupId>com.squareup.okhttp</groupId>
<artifactId>okhttp</artifactId> <artifactId>okhttp</artifactId>

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@ -1,595 +0,0 @@
package com.imaginarycode.minecraft.redisbungee;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.common.collect.*;
import com.google.common.io.ByteStreams;
import com.google.gson.Gson;
import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
import com.imaginarycode.minecraft.redisbungee.util.*;
import com.imaginarycode.minecraft.redisbungee.util.uuid.NameFetcher;
import com.imaginarycode.minecraft.redisbungee.util.uuid.UUIDFetcher;
import com.imaginarycode.minecraft.redisbungee.util.uuid.UUIDTranslator;
import com.squareup.okhttp.Dispatcher;
import com.squareup.okhttp.OkHttpClient;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.plugin.Plugin;
import net.md_5.bungee.config.Configuration;
import net.md_5.bungee.config.ConfigurationProvider;
import net.md_5.bungee.config.YamlConfiguration;
import redis.clients.jedis.*;
import redis.clients.jedis.exceptions.JedisConnectionException;
import java.io.*;
import java.lang.reflect.Field;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import static com.google.common.base.Preconditions.checkArgument;
/**
* The RedisBungee plugin.
* <p>
* The only function of interest is {@link #getApi()}, which deprecated now,
* Please check {@link RedisBungeeAPI#getRedisBungeeApi()},
*
* which exposes some functions in this class.
* but if you want old version support,
* then you can use old method {@link #getApi()}
*
*/
public final class RedisBungee extends Plugin {
@Getter
private static Gson gson = new Gson();
private static RedisBungeeAPI api;
@Getter(AccessLevel.PACKAGE)
private static PubSubListener psl = null;
@Getter
private JedisPool pool;
@Getter
private UUIDTranslator uuidTranslator;
@Getter(AccessLevel.PACKAGE)
private static RedisBungeeConfiguration configuration;
@Getter
private DataManager dataManager;
@Getter
private static OkHttpClient httpClient;
private volatile List<String> serverIds;
private final AtomicInteger nagAboutServers = new AtomicInteger();
private final AtomicInteger globalPlayerCount = new AtomicInteger();
private Future<?> integrityCheck;
private Future<?> heartbeatTask;
private LuaManager.Script serverToPlayersScript;
private LuaManager.Script getPlayerCountScript;
private static final Object SERVER_TO_PLAYERS_KEY = new Object();
private final Cache<Object, Multimap<String, UUID>> serverToPlayersCache = CacheBuilder.newBuilder()
.expireAfterWrite(5, TimeUnit.SECONDS)
.build();
/**
* Fetch the {@link RedisBungeeAPI} object created on plugin start.
*
* @deprecated Please use {@link RedisBungeeAPI#getRedisBungeeApi()}
*
* @return the {@link RedisBungeeAPI} object instance.
*/
@Deprecated
public static RedisBungeeAPI getApi() {
return api;
}
static PubSubListener getPubSubListener() {
return psl;
}
final List<String> getServerIds() {
return serverIds;
}
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().warning(entry.getKey() + " is " + (time - stamp) + " seconds behind! (Time not synchronized or server down?) and was removed from heartbeat.");
jedis.hdel("heartbeats", entry.getKey());
}
} catch (NumberFormatException ignored) {
}
}
return servers.build();
} catch (JedisConnectionException e) {
getLogger().log(Level.SEVERE, "Unable to fetch server IDs", e);
return Collections.singletonList(configuration.getServerId());
}
}
public Set<UUID> getPlayersOnProxy(String server) {
checkArgument(getServerIds().contains(server), server + " is not a valid proxy ID");
try (Jedis jedis = pool.getResource()) {
Set<String> users = jedis.smembers("proxy:" + server + ":usersOnline");
ImmutableSet.Builder<UUID> builder = ImmutableSet.builder();
for (String user : users) {
builder.add(UUID.fromString(user));
}
return builder.build();
}
}
final Multimap<String, UUID> serversToPlayers() {
try {
return serverToPlayersCache.get(SERVER_TO_PLAYERS_KEY, new Callable<Multimap<String, UUID>>() {
@Override
public Multimap<String, UUID> call() throws Exception {
Collection<String> data = (Collection<String>) serverToPlayersScript.eval(ImmutableList.<String>of(), getServerIds());
ImmutableMultimap.Builder<String, UUID> builder = ImmutableMultimap.builder();
String key = null;
for (String s : data) {
if (key == null) {
key = s;
continue;
}
builder.put(key, UUID.fromString(s));
key = null;
}
return builder.build();
}
});
} catch (ExecutionException e) {
throw new RuntimeException(e);
}
}
final int getCount() {
return globalPlayerCount.get();
}
final int getCurrentCount() {
Long count = (Long) getPlayerCountScript.eval(ImmutableList.<String>of(), ImmutableList.<String>of());
return count.intValue();
}
private Set<String> getLocalPlayersAsUuidStrings() {
ImmutableSet.Builder<String> builder = ImmutableSet.builder();
for (ProxiedPlayer player : getProxy().getPlayers()) {
builder.add(player.getUniqueId().toString());
}
return builder.build();
}
final Set<UUID> getPlayers() {
ImmutableSet.Builder<UUID> setBuilder = ImmutableSet.builder();
if (pool != null) {
try (Jedis rsc = pool.getResource()) {
List<String> keys = new ArrayList<>();
for (String i : getServerIds()) {
keys.add("proxy:" + i + ":usersOnline");
}
if (!keys.isEmpty()) {
Set<String> users = rsc.sunion(keys.toArray(new String[keys.size()]));
if (users != null && !users.isEmpty()) {
for (String user : users) {
try {
setBuilder = setBuilder.add(UUID.fromString(user));
} catch (IllegalArgumentException ignored) {
}
}
}
}
} catch (JedisConnectionException e) {
// Redis server has disappeared!
getLogger().log(Level.SEVERE, "Unable to get connection from pool - did your Redis server go away?", e);
throw new RuntimeException("Unable to get all players online", e);
}
}
return setBuilder.build();
}
final void sendProxyCommand(@NonNull String proxyId, @NonNull String command) {
checkArgument(getServerIds().contains(proxyId) || proxyId.equals("allservers"), "proxyId is invalid");
sendChannelMessage("redisbungee-" + proxyId, command);
}
final void sendChannelMessage(String channel, String message) {
try (Jedis jedis = pool.getResource()) {
jedis.publish(channel, message);
} catch (JedisConnectionException e) {
// Redis server has disappeared!
getLogger().log(Level.SEVERE, "Unable to get connection from pool - did your Redis server go away?", e);
throw new RuntimeException("Unable to publish channel message", e);
}
}
private long getRedisTime(List<String> timeRes) {
return Long.parseLong(timeRes.get(0));
}
@Override
public void onEnable() {
ThreadFactory factory = ((ThreadPoolExecutor) getExecutorService()).getThreadFactory();
ScheduledExecutorService service = Executors.newScheduledThreadPool(24, factory);
try {
Field field = Plugin.class.getDeclaredField("service");
field.setAccessible(true);
ExecutorService builtinService = (ExecutorService) field.get(this);
field.set(this, service);
builtinService.shutdownNow();
} catch (IllegalAccessException | NoSuchFieldException e) {
getLogger().log(Level.WARNING, "Can't replace BungeeCord thread pool with our own");
getLogger().log(Level.INFO, "skipping replacement.....");
}
try {
loadConfig();
} catch (IOException e) {
throw new RuntimeException("Unable to load/save config", e);
} catch (JedisConnectionException e) {
throw new RuntimeException("Unable to connect to your Redis server!", e);
}
if (pool != null) {
try (Jedis tmpRsc = pool.getResource()) {
// This is more portable than INFO <section>
String info = tmpRsc.info();
for (String s : info.split("\r\n")) {
if (s.startsWith("redis_version:")) {
String version = s.split(":")[1];
getLogger().info(version + " <- redis version");
if (!RedisUtil.isRedisVersionRight(version)) {
getLogger().warning("Your version of Redis (" + version + ") is not at least version 6.0 RedisBungee requires a newer version of Redis.");
throw new RuntimeException("Unsupported Redis version detected");
} else {
LuaManager manager = new LuaManager(this);
serverToPlayersScript = manager.createScript(IOUtil.readInputStreamAsString(getResourceAsStream("lua/server_to_players.lua")));
getPlayerCountScript = manager.createScript(IOUtil.readInputStreamAsString(getResourceAsStream("lua/get_player_count.lua")));
}
break;
}
}
tmpRsc.hset("heartbeats", configuration.getServerId(), tmpRsc.time().get(0));
long uuidCacheSize = tmpRsc.hlen("uuid-cache");
if (uuidCacheSize > 750000) {
getLogger().info("Looks like you have a really big UUID cache! Run https://www.spigotmc.org/resources/redisbungeecleaner.8505/ as soon as possible.");
}
}
serverIds = getCurrentServerIds(true, false);
uuidTranslator = new UUIDTranslator(this);
heartbeatTask = service.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
try (Jedis rsc = pool.getResource()) {
long redisTime = getRedisTime(rsc.time());
rsc.hset("heartbeats", configuration.getServerId(), String.valueOf(redisTime));
} catch (JedisConnectionException e) {
// Redis server has disappeared!
getLogger().log(Level.SEVERE, "Unable to update heartbeat - did your Redis server go away?", e);
return;
}
try {
serverIds = getCurrentServerIds(true, false);
globalPlayerCount.set(getCurrentCount());
} catch (Throwable e) {
getLogger().log(Level.SEVERE, "Unable to update data - did your Redis server go away?", e);
}
}
}, 0, 3, TimeUnit.SECONDS);
dataManager = new DataManager(this);
if (configuration.isRegisterBungeeCommands()) {
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.GlistCommand(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.FindCommand(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.LastSeenCommand(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.IpCommand(this));
}
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.SendToAll(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.ServerId(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.ServerIds());
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.PlayerProxyCommand(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.PlistCommand(this));
getProxy().getPluginManager().registerCommand(this, new RedisBungeeCommands.DebugCommand(this));
api = new RedisBungeeAPI(this);
getProxy().getPluginManager().registerListener(this, new RedisBungeeListener(this, configuration.getExemptAddresses()));
getProxy().getPluginManager().registerListener(this, dataManager);
psl = new PubSubListener();
getProxy().getScheduler().runAsync(this, psl);
integrityCheck = service.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
try (Jedis tmpRsc = pool.getResource()) {
Set<String> players = getLocalPlayersAsUuidStrings();
Set<String> playersInRedis = tmpRsc.smembers("proxy:" + configuration.getServerId() + ":usersOnline");
List<String> lagged = getCurrentServerIds(false, true);
// Clean up lagged players.
for (String s : lagged) {
Set<String> laggedPlayers = tmpRsc.smembers("proxy:" + s + ":usersOnline");
tmpRsc.del("proxy:" + s + ":usersOnline");
if (!laggedPlayers.isEmpty()) {
getLogger().info("Cleaning up lagged proxy " + s + " (" + laggedPlayers.size() + " players)...");
for (String laggedPlayer : laggedPlayers) {
RedisUtil.cleanUpPlayer(laggedPlayer, tmpRsc);
}
}
}
Set<String> absentLocally = new HashSet<>(playersInRedis);
absentLocally.removeAll(players);
Set<String> absentInRedis = new HashSet<>(players);
absentInRedis.removeAll(playersInRedis);
for (String member : absentLocally) {
boolean found = false;
for (String proxyId : getServerIds()) {
if (proxyId.equals(configuration.getServerId())) continue;
if (tmpRsc.sismember("proxy:" + proxyId + ":usersOnline", member)) {
// Just clean up the set.
found = true;
break;
}
}
if (!found) {
RedisUtil.cleanUpPlayer(member, tmpRsc);
getLogger().warning("Player found in set that was not found locally and globally: " + member);
} else {
tmpRsc.srem("proxy:" + configuration.getServerId() + ":usersOnline", member);
getLogger().warning("Player found in set that was not found locally, but is on another proxy: " + member);
}
}
Pipeline pipeline = tmpRsc.pipelined();
for (String player : absentInRedis) {
// Player not online according to Redis but not BungeeCord.
getLogger().warning("Player " + player + " is on the proxy but not in Redis.");
ProxiedPlayer proxiedPlayer = ProxyServer.getInstance().getPlayer(UUID.fromString(player));
if (proxiedPlayer == null)
continue; // We'll deal with it later.
RedisUtil.createPlayer(proxiedPlayer, pipeline, true);
}
pipeline.sync();
} catch (Throwable e) {
getLogger().log(Level.SEVERE, "Unable to fix up stored player data", e);
}
}
}, 0, 1, TimeUnit.MINUTES);
}
getProxy().registerChannel("legacy:redisbungee");
getProxy().registerChannel("RedisBungee");
}
@Override
public void onDisable() {
if (pool != null) {
// Poison the PubSub listener
psl.poison();
integrityCheck.cancel(true);
heartbeatTask.cancel(true);
getProxy().getPluginManager().unregisterListeners(this);
try (Jedis tmpRsc = pool.getResource()) {
tmpRsc.hdel("heartbeats", configuration.getServerId());
if (tmpRsc.scard("proxy:" + configuration.getServerId() + ":usersOnline") > 0) {
Set<String> players = tmpRsc.smembers("proxy:" + configuration.getServerId() + ":usersOnline");
for (String member : players)
RedisUtil.cleanUpPlayer(member, tmpRsc);
}
}
pool.destroy();
}
}
private void loadConfig() throws IOException, JedisConnectionException {
if (!getDataFolder().exists()) {
getDataFolder().mkdir();
}
File file = new File(getDataFolder(), "config.yml");
if (!file.exists()) {
file.createNewFile();
try (InputStream in = getResourceAsStream("example_config.yml");
OutputStream out = new FileOutputStream(file)) {
ByteStreams.copy(in, out);
}
}
final Configuration configuration = ConfigurationProvider.getProvider(YamlConfiguration.class).load(file);
final String redisServer = configuration.getString("redis-server", "localhost");
final int redisPort = configuration.getInt("redis-port", 6379);
final boolean useSSL = configuration.getBoolean("useSSL");
String redisPassword = configuration.getString("redis-password");
String serverId = configuration.getString("server-id");
final String randomUUID = UUID.randomUUID().toString();
if (redisPassword != null && (redisPassword.isEmpty() || redisPassword.equals("none"))) {
redisPassword = null;
}
// Configuration sanity checks.
if (serverId == null || serverId.isEmpty()) {
/*
* this check causes the config comments to disappear somehow
* I think due snake yaml limitations so as todo: write our own yaml parser?
*/
String genId = UUID.randomUUID().toString();
getLogger().info("Generated server id " + genId + " and saving it to config.");
configuration.set("server-id", genId);
ConfigurationProvider.getProvider(YamlConfiguration.class).save(configuration, new File(getDataFolder(), "config.yml"));
} else {
getLogger().info("Loaded server id " + serverId + '.');
}
if (configuration.getBoolean("use-random-id-string", false)) {
serverId = configuration.getString("server-id") + "-" + randomUUID;
}
if (redisServer != null && !redisServer.isEmpty()) {
final String finalRedisPassword = redisPassword;
FutureTask<JedisPool> task = new FutureTask<>(new Callable<JedisPool>() {
@Override
public JedisPool call() throws Exception {
// Create the pool...
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(configuration.getInt("max-redis-connections", 8));
return new JedisPool(config, redisServer, redisPort, 0, finalRedisPassword, useSSL);
}
});
getProxy().getScheduler().runAsync(this, task);
try {
pool = task.get();
} catch (InterruptedException | ExecutionException e) {
throw new RuntimeException("Unable to create Redis pool", e);
}
// Test the connection
try (Jedis rsc = pool.getResource()) {
rsc.ping();
// If that worked, now we can check for an existing, alive Bungee:
File crashFile = new File(getDataFolder(), "restarted_from_crash.txt");
if (crashFile.exists()) {
crashFile.delete();
} else if (rsc.hexists("heartbeats", serverId)) {
try {
long value = Long.parseLong(rsc.hget("heartbeats", serverId));
long redisTime = getRedisTime(rsc.time());
if (redisTime < value + 20) {
getLogger().severe("You have launched a possible impostor BungeeCord instance. Another instance is already running.");
getLogger().severe("For data consistency reasons, RedisBungee will now disable itself.");
getLogger().severe("If this instance is coming up from a crash, create a file in your RedisBungee plugins directory with the name 'restarted_from_crash.txt' and RedisBungee will not perform this check.");
throw new RuntimeException("Possible impostor instance!");
}
} catch (NumberFormatException ignored) {
}
}
FutureTask<Void> task2 = new FutureTask<>(new Callable<Void>() {
@Override
public Void call() throws Exception {
httpClient = new OkHttpClient();
Dispatcher dispatcher = new Dispatcher(getExecutorService());
httpClient.setDispatcher(dispatcher);
NameFetcher.setHttpClient(httpClient);
UUIDFetcher.setHttpClient(httpClient);
RedisBungee.configuration = new RedisBungeeConfiguration(RedisBungee.this.getPool(), configuration, randomUUID);
return null;
}
});
getProxy().getScheduler().runAsync(this, task2);
try {
task2.get();
} catch (InterruptedException | ExecutionException e) {
throw new RuntimeException("Unable to create HTTP client", e);
}
getLogger().log(Level.INFO, "Successfully connected to Redis.");
} catch (JedisConnectionException e) {
pool.destroy();
pool = null;
throw e;
}
} else {
throw new RuntimeException("No redis server specified!");
}
}
@NoArgsConstructor(access = AccessLevel.PRIVATE)
class PubSubListener implements Runnable {
private JedisPubSubHandler jpsh;
private Set<String> addedChannels = new HashSet<String>();
@Override
public void run() {
boolean broken = false;
try (Jedis rsc = pool.getResource()) {
try {
jpsh = new JedisPubSubHandler();
addedChannels.add("redisbungee-" + configuration.getServerId());
addedChannels.add("redisbungee-allservers");
addedChannels.add("redisbungee-data");
rsc.subscribe(jpsh, addedChannels.toArray(new String[0]));
} catch (Exception e) {
// FIXME: Extremely ugly hack
// Attempt to unsubscribe this instance and try again.
getLogger().log(Level.INFO, "PubSub error, attempting to recover.", e);
try {
jpsh.unsubscribe();
} catch (Exception e1) {
/* This may fail with
- java.net.SocketException: Broken pipe
- redis.clients.jedis.exceptions.JedisConnectionException: JedisPubSub was not subscribed to a Jedis instance
*/
}
broken = true;
}
} catch (JedisConnectionException e) {
getLogger().log(Level.INFO, "PubSub error, attempting to recover in 5 secs.");
getProxy().getScheduler().schedule(RedisBungee.this, PubSubListener.this, 5, TimeUnit.SECONDS);
}
if (broken) {
run();
}
}
public void addChannel(String... channel) {
addedChannels.addAll(Arrays.asList(channel));
jpsh.subscribe(channel);
}
public void removeChannel(String... channel) {
addedChannels.removeAll(Arrays.asList(channel));
jpsh.unsubscribe(channel);
}
public void poison() {
addedChannels.clear();
jpsh.unsubscribe();
}
}
private class JedisPubSubHandler extends JedisPubSub {
@Override
public void onMessage(final String s, final String s2) {
if (s2.trim().length() == 0) return;
getProxy().getScheduler().runAsync(RedisBungee.this, new Runnable() {
@Override
public void run() {
getProxy().getPluginManager().callEvent(new PubSubMessageEvent(s, s2));
}
});
}
}
}

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@ -1,77 +0,0 @@
package com.imaginarycode.minecraft.redisbungee;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import net.md_5.bungee.api.CommandSender;
import net.md_5.bungee.api.chat.BaseComponent;
import java.util.Collection;
import java.util.Collections;
/**
* This class is the CommandSender that RedisBungee uses to dispatch commands to BungeeCord.
* <p>
* It inherits all permissions of the console command sender. Sending messages and modifying permissions are no-ops.
*
* @author tuxed
* @since 0.2.3
*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class RedisBungeeCommandSender implements CommandSender {
static final RedisBungeeCommandSender instance = new RedisBungeeCommandSender();
@Override
public String getName() {
return "RedisBungee";
}
@Override
public void sendMessage(String s) {
// no-op
}
@Override
public void sendMessages(String... strings) {
// no-op
}
@Override
public void sendMessage(BaseComponent... baseComponents) {
// no-op
}
@Override
public void sendMessage(BaseComponent baseComponent) {
// no-op
}
@Override
public Collection<String> getGroups() {
return Collections.emptySet();
}
@Override
public void addGroups(String... strings) {
// no-op
}
@Override
public void removeGroups(String... strings) {
// no-op
}
@Override
public boolean hasPermission(String s) {
return true;
}
@Override
public void setPermission(String s, boolean b) {
// no-op
}
@Override
public Collection<String> getPermissions() {
return Collections.emptySet();
}
}

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@ -1,356 +0,0 @@
package com.imaginarycode.minecraft.redisbungee;
import com.google.common.base.Joiner;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.api.CommandSender;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.ComponentBuilder;
import net.md_5.bungee.api.chat.TextComponent;
import net.md_5.bungee.api.config.ServerInfo;
import net.md_5.bungee.api.plugin.Command;
import java.net.InetAddress;
import java.text.SimpleDateFormat;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.UUID;
/**
* This class contains subclasses that are used for the commands RedisBungee overrides or includes: /glist, /find and /lastseen.
* <p>
* All classes use the {@link RedisBungeeAPI}.
*
* @author tuxed
* @since 0.2.3
*/
class RedisBungeeCommands {
private static final BaseComponent[] NO_PLAYER_SPECIFIED =
new ComponentBuilder("You must specify a player name.").color(ChatColor.RED).create();
private static final BaseComponent[] PLAYER_NOT_FOUND =
new ComponentBuilder("No such player found.").color(ChatColor.RED).create();
private static final BaseComponent[] NO_COMMAND_SPECIFIED =
new ComponentBuilder("You must specify a command to be run.").color(ChatColor.RED).create();
private static String playerPlural(int num) {
return num == 1 ? num + " player is" : num + " players are";
}
public static class GlistCommand extends Command {
private final RedisBungee plugin;
GlistCommand(RedisBungee plugin) {
super("glist", "bungeecord.command.list", "redisbungee", "rglist");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() {
@Override
public void run() {
int count = RedisBungee.getApi().getPlayerCount();
BaseComponent[] playersOnline = new ComponentBuilder("").color(ChatColor.YELLOW)
.append(playerPlural(count) + " currently online.").create();
if (args.length > 0 && args[0].equals("showall")) {
Multimap<String, UUID> serverToPlayers = RedisBungee.getApi().getServerToPlayers();
Multimap<String, String> human = HashMultimap.create();
for (Map.Entry<String, UUID> entry : serverToPlayers.entries()) {
human.put(entry.getKey(), plugin.getUuidTranslator().getNameFromUuid(entry.getValue(), false));
}
for (String server : new TreeSet<>(serverToPlayers.keySet())) {
TextComponent serverName = new TextComponent();
serverName.setColor(ChatColor.GREEN);
serverName.setText("[" + server + "] ");
TextComponent serverCount = new TextComponent();
serverCount.setColor(ChatColor.YELLOW);
serverCount.setText("(" + serverToPlayers.get(server).size() + "): ");
TextComponent serverPlayers = new TextComponent();
serverPlayers.setColor(ChatColor.WHITE);
serverPlayers.setText(Joiner.on(", ").join(human.get(server)));
sender.sendMessage(serverName, serverCount, serverPlayers);
}
sender.sendMessage(playersOnline);
} else {
sender.sendMessage(playersOnline);
sender.sendMessage(new ComponentBuilder("To see all players online, use /glist showall.").color(ChatColor.YELLOW).create());
}
}
});
}
}
public static class FindCommand extends Command {
private final RedisBungee plugin;
FindCommand(RedisBungee plugin) {
super("find", "bungeecord.command.find", "rfind");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() {
@Override
public void run() {
if (args.length > 0) {
UUID uuid = plugin.getUuidTranslator().getTranslatedUuid(args[0], true);
if (uuid == null) {
sender.sendMessage(PLAYER_NOT_FOUND);
return;
}
ServerInfo si = RedisBungee.getApi().getServerFor(uuid);
if (si != null) {
TextComponent message = new TextComponent();
message.setColor(ChatColor.BLUE);
message.setText(args[0] + " is on " + si.getName() + ".");
sender.sendMessage(message);
} else {
sender.sendMessage(PLAYER_NOT_FOUND);
}
} else {
sender.sendMessage(NO_PLAYER_SPECIFIED);
}
}
});
}
}
public static class LastSeenCommand extends Command {
private final RedisBungee plugin;
LastSeenCommand(RedisBungee plugin) {
super("lastseen", "redisbungee.command.lastseen", "rlastseen");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() {
@Override
public void run() {
if (args.length > 0) {
UUID uuid = plugin.getUuidTranslator().getTranslatedUuid(args[0], true);
if (uuid == null) {
sender.sendMessage(PLAYER_NOT_FOUND);
return;
}
long secs = RedisBungee.getApi().getLastOnline(uuid);
TextComponent message = new TextComponent();
if (secs == 0) {
message.setColor(ChatColor.GREEN);
message.setText(args[0] + " is currently online.");
} else if (secs != -1) {
message.setColor(ChatColor.BLUE);
message.setText(args[0] + " was last online on " + new SimpleDateFormat().format(secs) + ".");
} else {
message.setColor(ChatColor.RED);
message.setText(args[0] + " has never been online.");
}
sender.sendMessage(message);
} else {
sender.sendMessage(NO_PLAYER_SPECIFIED);
}
}
});
}
}
public static class IpCommand extends Command {
private final RedisBungee plugin;
IpCommand(RedisBungee plugin) {
super("ip", "redisbungee.command.ip", "playerip", "rip", "rplayerip");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() {
@Override
public void run() {
if (args.length > 0) {
UUID uuid = plugin.getUuidTranslator().getTranslatedUuid(args[0], true);
if (uuid == null) {
sender.sendMessage(PLAYER_NOT_FOUND);
return;
}
InetAddress ia = RedisBungee.getApi().getPlayerIp(uuid);
if (ia != null) {
TextComponent message = new TextComponent();
message.setColor(ChatColor.GREEN);
message.setText(args[0] + " is connected from " + ia.toString() + ".");
sender.sendMessage(message);
} else {
sender.sendMessage(PLAYER_NOT_FOUND);
}
} else {
sender.sendMessage(NO_PLAYER_SPECIFIED);
}
}
});
}
}
public static class PlayerProxyCommand extends Command {
private final RedisBungee plugin;
PlayerProxyCommand(RedisBungee plugin) {
super("pproxy", "redisbungee.command.pproxy");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() {
@Override
public void run() {
if (args.length > 0) {
UUID uuid = plugin.getUuidTranslator().getTranslatedUuid(args[0], true);
if (uuid == null) {
sender.sendMessage(PLAYER_NOT_FOUND);
return;
}
String proxy = RedisBungee.getApi().getProxy(uuid);
if (proxy != null) {
TextComponent message = new TextComponent();
message.setColor(ChatColor.GREEN);
message.setText(args[0] + " is connected to " + proxy + ".");
sender.sendMessage(message);
} else {
sender.sendMessage(PLAYER_NOT_FOUND);
}
} else {
sender.sendMessage(NO_PLAYER_SPECIFIED);
}
}
});
}
}
public static class SendToAll extends Command {
private final RedisBungee plugin;
SendToAll(RedisBungee plugin) {
super("sendtoall", "redisbungee.command.sendtoall", "rsendtoall");
this.plugin = plugin;
}
@Override
public void execute(CommandSender sender, String[] args) {
if (args.length > 0) {
String command = Joiner.on(" ").skipNulls().join(args);
RedisBungee.getApi().sendProxyCommand(command);
TextComponent message = new TextComponent();
message.setColor(ChatColor.GREEN);
message.setText("Sent the command /" + command + " to all proxies.");
sender.sendMessage(message);
} else {
sender.sendMessage(NO_COMMAND_SPECIFIED);
}
}
}
public static class ServerId extends Command {
private final RedisBungee plugin;
ServerId(RedisBungee plugin) {
super("serverid", "redisbungee.command.serverid", "rserverid");
this.plugin = plugin;
}
@Override
public void execute(CommandSender sender, String[] args) {
TextComponent textComponent = new TextComponent();
textComponent.setText("You are on " + RedisBungee.getApi().getServerId() + ".");
textComponent.setColor(ChatColor.YELLOW);
sender.sendMessage(textComponent);
}
}
public static class ServerIds extends Command {
public ServerIds() {
super("serverids", "redisbungee.command.serverids");
}
@Override
public void execute(CommandSender sender, String[] strings) {
TextComponent textComponent = new TextComponent();
textComponent.setText("All server IDs: " + Joiner.on(", ").join(RedisBungee.getApi().getAllServers()));
textComponent.setColor(ChatColor.YELLOW);
sender.sendMessage(textComponent);
}
}
public static class PlistCommand extends Command {
private final RedisBungee plugin;
PlistCommand(RedisBungee plugin) {
super("plist", "redisbungee.command.plist", "rplist");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
plugin.getProxy().getScheduler().runAsync(plugin, new Runnable() {
@Override
public void run() {
String proxy = args.length >= 1 ? args[0] : RedisBungee.getConfiguration().getServerId();
if (!plugin.getServerIds().contains(proxy)) {
sender.sendMessage(new ComponentBuilder(proxy + " is not a valid proxy. See /serverids for valid proxies.").color(ChatColor.RED).create());
return;
}
Set<UUID> players = RedisBungee.getApi().getPlayersOnProxy(proxy);
BaseComponent[] playersOnline = new ComponentBuilder("").color(ChatColor.YELLOW)
.append(playerPlural(players.size()) + " currently on proxy " + proxy + ".").create();
if (args.length >= 2 && args[1].equals("showall")) {
Multimap<String, UUID> serverToPlayers = RedisBungee.getApi().getServerToPlayers();
Multimap<String, String> human = HashMultimap.create();
for (Map.Entry<String, UUID> entry : serverToPlayers.entries()) {
if (players.contains(entry.getValue())) {
human.put(entry.getKey(), plugin.getUuidTranslator().getNameFromUuid(entry.getValue(), false));
}
}
for (String server : new TreeSet<>(human.keySet())) {
TextComponent serverName = new TextComponent();
serverName.setColor(ChatColor.RED);
serverName.setText("[" + server + "] ");
TextComponent serverCount = new TextComponent();
serverCount.setColor(ChatColor.YELLOW);
serverCount.setText("(" + human.get(server).size() + "): ");
TextComponent serverPlayers = new TextComponent();
serverPlayers.setColor(ChatColor.WHITE);
serverPlayers.setText(Joiner.on(", ").join(human.get(server)));
sender.sendMessage(serverName, serverCount, serverPlayers);
}
sender.sendMessage(playersOnline);
} else {
sender.sendMessage(playersOnline);
sender.sendMessage(new ComponentBuilder("To see all players online, use /plist " + proxy + " showall.").color(ChatColor.YELLOW).create());
}
}
});
}
}
public static class DebugCommand extends Command {
private final RedisBungee plugin;
DebugCommand(RedisBungee plugin) {
super("rdebug", "redisbungee.command.debug");
this.plugin = plugin;
}
@Override
public void execute(final CommandSender sender, final String[] args) {
TextComponent poolActiveStat = new TextComponent("Currently active pool objects: " + plugin.getPool().getNumActive());
TextComponent poolIdleStat = new TextComponent("Currently idle pool objects: " + plugin.getPool().getNumIdle());
TextComponent poolWaitingStat = new TextComponent("Waiting on free objects: " + plugin.getPool().getNumWaiters());
sender.sendMessage(poolActiveStat);
sender.sendMessage(poolIdleStat);
sender.sendMessage(poolWaitingStat);
}
}
}

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package com.imaginarycode.minecraft.redisbungee;
import com.google.common.collect.ImmutableList;
import com.google.common.net.InetAddresses;
import lombok.Getter;
import net.md_5.bungee.config.Configuration;
import redis.clients.jedis.JedisPool;
import java.net.InetAddress;
import java.util.List;
import java.util.UUID;
public class RedisBungeeConfiguration {
@Getter
private final JedisPool pool;
@Getter
private final String serverId;
@Getter
private final boolean registerBungeeCommands;
@Getter
private final List<InetAddress> exemptAddresses;
public RedisBungeeConfiguration(JedisPool pool, Configuration configuration, String randomUUID) {
this.pool = pool;
if (configuration.getBoolean("use-random-id-string", false)) {
this.serverId = configuration.getString("server-id") + "-" + randomUUID;
} else {
this.serverId = configuration.getString("server-id");
}
this.registerBungeeCommands = configuration.getBoolean("register-bungee-commands", true);
List<String> stringified = configuration.getStringList("exempt-ip-addresses");
ImmutableList.Builder<InetAddress> addressBuilder = ImmutableList.builder();
for (String s : stringified) {
addressBuilder.add(InetAddresses.forString(s));
}
this.exemptAddresses = addressBuilder.build();
}
}

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package com.imaginarycode.minecraft.redisbungee;
import com.google.common.base.Joiner;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multiset;
import com.google.common.io.ByteArrayDataInput;
import com.google.common.io.ByteArrayDataOutput;
import com.google.common.io.ByteStreams;
import com.imaginarycode.minecraft.redisbungee.events.PubSubMessageEvent;
import com.imaginarycode.minecraft.redisbungee.util.RedisCallable;
import lombok.AllArgsConstructor;
import net.md_5.bungee.api.AbstractReconnectHandler;
import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.ComponentBuilder;
import net.md_5.bungee.api.config.ServerInfo;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.connection.Server;
import net.md_5.bungee.api.event.*;
import net.md_5.bungee.api.plugin.Listener;
import net.md_5.bungee.event.EventHandler;
import net.md_5.bungee.event.EventPriority;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Pipeline;
import java.net.InetAddress;
import java.util.*;
@AllArgsConstructor
public class RedisBungeeListener implements Listener {
private static final BaseComponent[] ALREADY_LOGGED_IN =
new ComponentBuilder("You are already logged on to this server.").color(ChatColor.RED)
.append("\n\nIt may help to try logging in again in a few minutes.\nIf this does not resolve your issue, please contact staff.")
.color(ChatColor.GRAY)
.create();
private static final BaseComponent[] ONLINE_MODE_RECONNECT =
new ComponentBuilder("Whoops! You need to reconnect.").color(ChatColor.RED)
.append("\n\nWe found someone online using your username. They were kicked and you may reconnect.\nIf this does not work, please contact staff.")
.color(ChatColor.GRAY)
.create();
private final RedisBungee plugin;
private final List<InetAddress> exemptAddresses;
@EventHandler(priority = EventPriority.LOWEST)
public void onLogin(final LoginEvent event) {
event.registerIntent(plugin);
plugin.getProxy().getScheduler().runAsync(plugin, new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
try {
if (event.isCancelled()) {
return null;
}
// We make sure they aren't trying to use an existing player's name.
// This is problematic for online-mode servers as they always disconnect old clients.
if (plugin.getProxy().getConfig().isOnlineMode()) {
ProxiedPlayer player = plugin.getProxy().getPlayer(event.getConnection().getName());
if (player != null) {
event.setCancelled(true);
// TODO: Make it accept a BaseComponent[] like everything else.
event.setCancelReason(ONLINE_MODE_RECONNECT);
return null;
}
}
for (String s : plugin.getServerIds()) {
if (jedis.sismember("proxy:" + s + ":usersOnline", event.getConnection().getUniqueId().toString())) {
event.setCancelled(true);
// TODO: Make it accept a BaseComponent[] like everything else.
event.setCancelReason(ALREADY_LOGGED_IN);
return null;
}
}
return null;
} finally {
event.completeIntent(plugin);
}
}
});
}
@EventHandler
public void onPostLogin(final PostLoginEvent event) {
plugin.getProxy().getScheduler().runAsync(plugin, new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
// this code was moved out from login event due being async..
// and it can be cancelled but it will show as false in redis-bungee
// which will register the player into the redis database.
Pipeline pipeline = jedis.pipelined();
plugin.getUuidTranslator().persistInfo(event.getPlayer().getName(), event.getPlayer().getUniqueId(), pipeline);
RedisUtil.createPlayer(event.getPlayer(), pipeline, false);
pipeline.sync();
// the end of moved code.
jedis.publish("redisbungee-data", RedisBungee.getGson().toJson(new DataManager.DataManagerMessage<>(
event.getPlayer().getUniqueId(), DataManager.DataManagerMessage.Action.JOIN,
new DataManager.LoginPayload(event.getPlayer().getAddress().getAddress()))));
return null;
}
});
}
@EventHandler
public void onPlayerDisconnect(final PlayerDisconnectEvent event) {
plugin.getProxy().getScheduler().runAsync(plugin, new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
Pipeline pipeline = jedis.pipelined();
RedisUtil.cleanUpPlayer(event.getPlayer().getUniqueId().toString(), pipeline);
pipeline.sync();
return null;
}
});
}
@EventHandler
public void onServerChange(final ServerConnectedEvent event) {
final String currentServer = event.getPlayer().getServer() == null ? null : event.getPlayer().getServer().getInfo().getName();
plugin.getProxy().getScheduler().runAsync(plugin, new RedisCallable<Void>(plugin) {
@Override
protected Void call(Jedis jedis) {
jedis.hset("player:" + event.getPlayer().getUniqueId().toString(), "server", event.getServer().getInfo().getName());
jedis.publish("redisbungee-data", RedisBungee.getGson().toJson(new DataManager.DataManagerMessage<>(
event.getPlayer().getUniqueId(), DataManager.DataManagerMessage.Action.SERVER_CHANGE,
new DataManager.ServerChangePayload(event.getServer().getInfo().getName(), currentServer))));
return null;
}
});
}
@EventHandler(priority = EventPriority.LOWEST)
public void onPing(final ProxyPingEvent event) {
if (exemptAddresses.contains(event.getConnection().getAddress().getAddress())) {
return;
}
ServerInfo forced = AbstractReconnectHandler.getForcedHost(event.getConnection());
if (forced != null && event.getConnection().getListener().isPingPassthrough()) {
return;
}
event.getResponse().getPlayers().setOnline(plugin.getCount());
}
@SuppressWarnings("UnstableApiUsage")
@EventHandler
public void onPluginMessage(final PluginMessageEvent event) {
if ((event.getTag().equals("legacy:redisbungee") || event.getTag().equals("RedisBungee")) && event.getSender() instanceof Server) {
final String currentChannel = event.getTag();
final byte[] data = Arrays.copyOf(event.getData(), event.getData().length);
plugin.getProxy().getScheduler().runAsync(plugin, () -> {
ByteArrayDataInput in = ByteStreams.newDataInput(data);
String subchannel = in.readUTF();
ByteArrayDataOutput out = ByteStreams.newDataOutput();
String type;
switch (subchannel) {
case "PlayerList":
out.writeUTF("PlayerList");
Set<UUID> original = Collections.emptySet();
type = in.readUTF();
if (type.equals("ALL")) {
out.writeUTF("ALL");
original = plugin.getPlayers();
} else {
try {
original = RedisBungee.getApi().getPlayersOnServer(type);
} catch (IllegalArgumentException ignored) {
}
}
Set<String> players = new HashSet<>();
for (UUID uuid : original)
players.add(plugin.getUuidTranslator().getNameFromUuid(uuid, false));
out.writeUTF(Joiner.on(',').join(players));
break;
case "PlayerCount":
out.writeUTF("PlayerCount");
type = in.readUTF();
if (type.equals("ALL")) {
out.writeUTF("ALL");
out.writeInt(plugin.getCount());
} else {
out.writeUTF(type);
try {
out.writeInt(RedisBungee.getApi().getPlayersOnServer(type).size());
} catch (IllegalArgumentException e) {
out.writeInt(0);
}
}
break;
case "LastOnline":
String user = in.readUTF();
out.writeUTF("LastOnline");
out.writeUTF(user);
out.writeLong(RedisBungee.getApi().getLastOnline(plugin.getUuidTranslator().getTranslatedUuid(user, true)));
break;
case "ServerPlayers":
String type1 = in.readUTF();
out.writeUTF("ServerPlayers");
Multimap<String, UUID> multimap = RedisBungee.getApi().getServerToPlayers();
boolean includesUsers;
switch (type1) {
case "COUNT":
includesUsers = false;
break;
case "PLAYERS":
includesUsers = true;
break;
default:
// TODO: Should I raise an error?
return;
}
out.writeUTF(type1);
if (includesUsers) {
Multimap<String, String> human = HashMultimap.create();
for (Map.Entry<String, UUID> entry : multimap.entries()) {
human.put(entry.getKey(), plugin.getUuidTranslator().getNameFromUuid(entry.getValue(), false));
}
serializeMultimap(human, true, out);
} else {
serializeMultiset(multimap.keys(), out);
}
break;
case "Proxy":
out.writeUTF("Proxy");
out.writeUTF(RedisBungee.getConfiguration().getServerId());
break;
case "PlayerProxy":
String username = in.readUTF();
out.writeUTF("PlayerProxy");
out.writeUTF(username);
out.writeUTF(RedisBungee.getApi().getProxy(plugin.getUuidTranslator().getTranslatedUuid(username, true)));
break;
default:
return;
}
((Server) event.getSender()).sendData(currentChannel, out.toByteArray());
});
}
}
private void serializeMultiset(Multiset<String> collection, ByteArrayDataOutput output) {
output.writeInt(collection.elementSet().size());
for (Multiset.Entry<String> entry : collection.entrySet()) {
output.writeUTF(entry.getElement());
output.writeInt(entry.getCount());
}
}
@SuppressWarnings("SameParameterValue")
private void serializeMultimap(Multimap<String, String> collection, boolean includeNames, ByteArrayDataOutput output) {
output.writeInt(collection.keySet().size());
for (Map.Entry<String, Collection<String>> entry : collection.asMap().entrySet()) {
output.writeUTF(entry.getKey());
if (includeNames) {
serializeCollection(entry.getValue(), output);
} else {
output.writeInt(entry.getValue().size());
}
}
}
private void serializeCollection(Collection<?> collection, ByteArrayDataOutput output) {
output.writeInt(collection.size());
for (Object o : collection) {
output.writeUTF(o.toString());
}
}
@EventHandler
public void onPubSubMessage(PubSubMessageEvent event) {
if (event.getChannel().equals("redisbungee-allservers") || event.getChannel().equals("redisbungee-" + RedisBungee.getApi().getServerId())) {
String message = event.getMessage();
if (message.startsWith("/"))
message = message.substring(1);
plugin.getLogger().info("Invoking command via PubSub: /" + message);
plugin.getProxy().getPluginManager().dispatchCommand(RedisBungeeCommandSender.instance, message);
}
}
}

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package com.imaginarycode.minecraft.redisbungee;
import com.google.common.annotations.VisibleForTesting;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import net.md_5.bungee.api.connection.PendingConnection;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.Pipeline;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
@VisibleForTesting
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class RedisUtil {
protected static void createPlayer(ProxiedPlayer player, Pipeline pipeline, boolean fireEvent) {
createPlayer(player.getPendingConnection(), pipeline, fireEvent);
if (player.getServer() != null)
pipeline.hset("player:" + player.getUniqueId().toString(), "server", player.getServer().getInfo().getName());
}
protected static void createPlayer(PendingConnection connection, Pipeline pipeline, boolean fireEvent) {
Map<String, String> playerData = new HashMap<>(4);
playerData.put("online", "0");
playerData.put("ip", connection.getAddress().getAddress().getHostAddress());
playerData.put("proxy", RedisBungee.getConfiguration().getServerId());
pipeline.sadd("proxy:" + RedisBungee.getApi().getServerId() + ":usersOnline", connection.getUniqueId().toString());
pipeline.hmset("player:" + connection.getUniqueId().toString(), playerData);
if (fireEvent) {
pipeline.publish("redisbungee-data", RedisBungee.getGson().toJson(new DataManager.DataManagerMessage<>(
connection.getUniqueId(), DataManager.DataManagerMessage.Action.JOIN,
new DataManager.LoginPayload(connection.getAddress().getAddress()))));
}
}
public static void cleanUpPlayer(String player, Jedis rsc) {
rsc.srem("proxy:" + RedisBungee.getApi().getServerId() + ":usersOnline", player);
rsc.hdel("player:" + player, "server", "ip", "proxy");
long timestamp = System.currentTimeMillis();
rsc.hset("player:" + player, "online", String.valueOf(timestamp));
rsc.publish("redisbungee-data", RedisBungee.getGson().toJson(new DataManager.DataManagerMessage<>(
UUID.fromString(player), DataManager.DataManagerMessage.Action.LEAVE,
new DataManager.LogoutPayload(timestamp))));
}
public static void cleanUpPlayer(String player, Pipeline rsc) {
rsc.srem("proxy:" + RedisBungee.getApi().getServerId() + ":usersOnline", player);
rsc.hdel("player:" + player, "server", "ip", "proxy");
long timestamp = System.currentTimeMillis();
rsc.hset("player:" + player, "online", String.valueOf(timestamp));
rsc.publish("redisbungee-data", RedisBungee.getGson().toJson(new DataManager.DataManagerMessage<>(
UUID.fromString(player), DataManager.DataManagerMessage.Action.LEAVE,
new DataManager.LogoutPayload(timestamp))));
}
public static boolean isRedisVersionRight(String redisVersion) {
// Need to use >=6.2 to use Lua optimizations.
String[] args = redisVersion.split("\\.");
if (args.length < 2) {
return false;
}
int major = Integer.parseInt(args[0]);
int minor = Integer.parseInt(args[1]);
return major >= 6 && minor >= 0;
}
// Ham1255: i am keeping this if some plugin uses this *IF*
@Deprecated
public static boolean canUseLua(String redisVersion) {
return isRedisVersionRight(redisVersion);
}
}

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package com.imaginarycode.minecraft.redisbungee.events;
import lombok.ToString;
import net.md_5.bungee.api.plugin.Event;
import java.util.UUID;
/**
* This event is sent when a player connects to a new server. RedisBungee sends the event only when
* the proxy the player has been connected to is different than the local proxy.
* <p>
* This event corresponds to {@link net.md_5.bungee.api.event.ServerConnectedEvent}, and is fired
* asynchronously.
*
* @since 0.3.4
*/
@ToString
public class PlayerChangedServerNetworkEvent extends Event {
private final UUID uuid;
private final String previousServer;
private final String server;
public PlayerChangedServerNetworkEvent(UUID uuid, String previousServer, String server) {
this.uuid = uuid;
this.previousServer = previousServer;
this.server = server;
}
public UUID getUuid() {
return uuid;
}
public String getServer() {
return server;
}
public String getPreviousServer() {
return previousServer;
}
}

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package com.imaginarycode.minecraft.redisbungee.events;
import lombok.ToString;
import net.md_5.bungee.api.plugin.Event;
import java.util.UUID;
/**
* This event is sent when a player joins the network. RedisBungee sends the event only when
* the proxy the player has been connected to is different than the local proxy.
* <p>
* This event corresponds to {@link net.md_5.bungee.api.event.PostLoginEvent}, and is fired
* asynchronously.
*
* @since 0.3.4
*/
@ToString
public class PlayerJoinedNetworkEvent extends Event {
private final UUID uuid;
public PlayerJoinedNetworkEvent(UUID uuid) {
this.uuid = uuid;
}
public UUID getUuid() {
return uuid;
}
}

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package com.imaginarycode.minecraft.redisbungee.events;
import lombok.ToString;
import net.md_5.bungee.api.plugin.Event;
import java.util.UUID;
/**
* This event is sent when a player disconnects. RedisBungee sends the event only when
* the proxy the player has been connected to is different than the local proxy.
* <p>
* This event corresponds to {@link net.md_5.bungee.api.event.PlayerDisconnectEvent}, and is fired
* asynchronously.
*
* @since 0.3.4
*/
@ToString
public class PlayerLeftNetworkEvent extends Event {
private final UUID uuid;
public PlayerLeftNetworkEvent(UUID uuid) {
this.uuid = uuid;
}
public UUID getUuid() {
return uuid;
}
}

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# RedisBungee configuration file.
# PLEASE READ THE WIKI: https://github.com/Limework/RedisBungee/wiki
# The Redis server you use.
# Get Redis from http://redis.io/
redis-server: 127.0.0.1
redis-port: 6379
# OPTIONAL: If your Redis server uses AUTH, set the password required.
redis-password: ""
# Maximum connections that will be maintained to the Redis server.
# The default is 8. This setting should be left as-is unless you have some wildly
# inefficient plugins or a lot of players.
max-redis-connections: 8
# since redis can support ssl by version 6 you can use ssl in redis bungee too!
# you must disable this if redis version is under 6 you must disable this or connection wont work!!!
useSSL: false
# An identifier for this BungeeCord instance. Will randomly generate if leaving it blank.
server-id: "test1"
# Should use random string? if this is enabled the proxy id will be like this if server-id is test1: "test1-66cd2aeb-91f3-43a7-a106-e0307b098652"
# or if id is limework-bungee it will be "limework-bungee-66cd2aeb-91f3-43a7-a106-e0307b098652"
# this great for servers who run replicas in Kubernetes or any auto deploying replica service
# and used for if proxy died in a kubernetes network and deleted then new proxy setup itself.
use-random-id-string: false
# Whether or not RedisBungee should install its version of regular BungeeCord commands.
# Often, the RedisBungee commands are desired, but in some cases someone may wish to
# override the commands using another plugin.
#
# If you are just denying access to the commands, RedisBungee uses the default BungeeCord
# permissions - just deny them and access will be denied.
#
# Please note that with build 787+, most commands overridden by RedisBungee were moved to
# modules, and these must be disabled or overridden yourself.
register-bungee-commands: true
# A list of IP addresses for which RedisBungee will not modify the response for, useful for automatic
# restart scripts.
exempt-ip-addresses: []

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local c = redis.call
local curTime = c("TIME")
local time = tonumber(curTime[1])
local heartbeats = c("HGETALL", "heartbeats")
local total = 0
local key
for _, v in ipairs(heartbeats) do
if not key then
key = v
else
local n = tonumber(v)
if n then
if n + 30 >= time then
total = total + c("SCARD", "proxy:" .. key .. ":usersOnline")
end
end
key = nil
end
end
return total

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local call = redis.call
local ipairs = ipairs
local serverToData = {}
for _, proxy in ipairs(ARGV) do
local players = call("SMEMBERS", "proxy:" .. proxy .. ":usersOnline")
for _, player in ipairs(players) do
local server = call("HGET", "player:" .. player, "server")
if server then
local sz = #serverToData
serverToData[sz + 1] = server
serverToData[sz + 2] = player
end
end
end
return serverToData

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name: ${project.name}
main: com.imaginarycode.minecraft.redisbungee.RedisBungee
version: ${project.version}
author: Chunkr and Govindas limework
authors:
- chunkr
- Govindas Limework
# This is used so that we can automatically override default BungeeCord behavior.
softDepends: ["cmd_find", "cmd_list"]

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package com.imaginarycode.minecraft.redisbungee.test;
import com.imaginarycode.minecraft.redisbungee.RedisUtil;
import org.junit.Assert;
import org.junit.Test;
public class RedisUtilTest {
@Test
public void testRedisLuaCheck() {
Assert.assertTrue(RedisUtil.canUseLua("6.2.0"));
Assert.assertTrue(RedisUtil.canUseLua("6.1.0"));
Assert.assertTrue(RedisUtil.canUseLua("6.0.0"));
Assert.assertFalse(RedisUtil.canUseLua("2.6.0"));
Assert.assertFalse(RedisUtil.canUseLua("2.2.12"));
Assert.assertFalse(RedisUtil.canUseLua("1.2.4"));
Assert.assertFalse(RedisUtil.canUseLua("2.8.4"));
Assert.assertFalse(RedisUtil.canUseLua("3.0.0"));
Assert.assertFalse(RedisUtil.canUseLua("3.2.1"));
}
}

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package com.imaginarycode.minecraft.redisbungee.test;
import com.imaginarycode.minecraft.redisbungee.util.uuid.NameFetcher;
import com.imaginarycode.minecraft.redisbungee.util.uuid.UUIDFetcher;
import com.squareup.okhttp.OkHttpClient;
import org.junit.Test;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.UUID;
public class UUIDNameTest {
private String[] uuidsToTest = {"68ec43f7234b41b48764dfb38b9ffe8c", "652a2bc4e8cd405db7b698156ee2dc09"};
private String[] namesToTest = {"vemacs"};
@Test
public void testUuidToName() throws IOException {
OkHttpClient httpClient = new OkHttpClient();
NameFetcher.setHttpClient(httpClient);
for (String uuid : uuidsToTest) {
List<String> names = NameFetcher.nameHistoryFromUuid(UUIDFetcher.getUUID(uuid));
String currentName = names.get(names.size() - 1);
System.out.println("Current name for UUID " + uuid + " is " + currentName);
}
}
@Test
public void testNameToUuid() throws IOException {
OkHttpClient httpClient = new OkHttpClient();
UUIDFetcher.setHttpClient(httpClient);
for (String name : namesToTest) {
Map<String, UUID> uuidMap1;
try {
uuidMap1 = new UUIDFetcher(Collections.singletonList(name)).call();
for (Map.Entry<String, UUID> entry : uuidMap1.entrySet()) {
if (entry.getKey().equalsIgnoreCase(name)) {
System.out.println("Current UUID for name " + name + " is " + entry.getValue());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}