Limework/RediSkript
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new ConnectionController!

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This commit is contained in:
mohammed jasem alaajel 2020-12-23 21:04:23 +04:00
parent 3920b0e844
commit a2b58798f9
6 changed files with 84 additions and 113 deletions
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22
src/main/java/net/limework/rediskript/RediSkript.java
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@ -8,7 +8,7 @@ import ch.njol.skript.util.Date;
import ch.njol.skript.util.Getter;
import net.limework.rediskript.commands.CommandReloadRedis;
import net.limework.rediskript.events.RedisMessageEvent;
import net.limework.rediskript.managers.RedisManager;
import net.limework.rediskript.managers.RedisController;
import net.limework.rediskript.skript.elements.*;
import org.bukkit.plugin.java.JavaPlugin;
@ -16,14 +16,14 @@ import java.io.IOException;
public class RediSkript extends JavaPlugin {
//Redis manager
private RedisManager rm;
private RedisController redisController;
public void startRedis(boolean reload) {
if (reload) { reloadConfig(); }
rm = new RedisManager(this);
rm.start();
public void reloadRedis(){
redisController.shutdown();
redisController = new RedisController(this);
}
public void registerSyntax() {
SkriptAddon addon = Skript.registerAddon(this);
try {
@ -60,16 +60,16 @@ public class RediSkript extends JavaPlugin {
@Override
public void onEnable() {
saveDefaultConfig();
startRedis(false);
redisController = new RedisController(this);
getServer().getPluginCommand("reloadredis").setExecutor(new CommandReloadRedis(this));
registerSyntax();
}
@Override
public void onDisable() {
if (rm != null) rm.shutdown();
if (redisController != null) redisController.shutdown();
}
public RedisManager getRedisManager() {
return rm;
public RedisController getRC() {
return redisController;
}
}

4
src/main/java/net/limework/rediskript/commands/CommandReloadRedis.java
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@ -27,10 +27,10 @@ public class CommandReloadRedis implements CommandExecutor {
new BukkitRunnable() {
@Override
public void run() {
plugin.getRedisManager().reload();
plugin.reloadRedis();
}
}.runTaskAsynchronously(plugin);
//not sending to sender, because this command can only be executed via console
Bukkit.getLogger().info(ChatColor.translateAlternateColorCodes('&', "&eReloaded channels, encryption and login details!"));

163
src/main/java/net/limework/rediskript/managers/RedisManager.java → src/main/java/net/limework/rediskript/managers/RedisController.java
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@ -8,46 +8,43 @@ import net.limework.rediskript.events.RedisMessageEvent;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.configuration.Configuration;
import org.bukkit.scheduler.BukkitTask;
import org.cryptomator.siv.UnauthenticCiphertextException;
import org.json.JSONArray;
import org.json.JSONObject;
import redis.clients.jedis.BinaryJedis;
import redis.clients.jedis.BinaryJedisPubSub;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.*;
import redis.clients.jedis.exceptions.JedisConnectionException;
import javax.crypto.IllegalBlockSizeException;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicBoolean;
public class RedisManager extends BinaryJedisPubSub implements Runnable {
private ExecutorService RedisReconnector;
private RediSkript plugin;
private JedisPool jedisPool;
private ExecutorService RedisService;
public class RedisController extends BinaryJedisPubSub implements Runnable {
//sub
private BinaryJedis subscribeJedis;
private List<String> channels;
private AtomicBoolean isShuttingDown = new AtomicBoolean(false);
private Encryption encryption;
//Jedis Pool to be used by every another class.
private final JedisPool jedisPool;
//this seems useless unless tls is OFF!
private final Encryption encryption;
private byte[][] channelsInByte;
private final AtomicBoolean isConnectionBroken;
private final RediSkript plugin;
private BukkitTask ConnectionTask;
public RedisManager(RediSkript plugin) {
public RedisController(RediSkript plugin) {
this.plugin = plugin;
Configuration config = this.plugin.getConfig();
Configuration config = plugin.getConfig();
JedisPoolConfig JConfig = new JedisPoolConfig();
int maxConnections = config.getInt("Redis.MaxConnections");
if (maxConnections < 2) { maxConnections = 2; }
if (maxConnections < 2) {
maxConnections = 2;
}
JConfig.setMaxTotal(maxConnections);
JConfig.setMaxIdle(maxConnections);
JConfig.setMinIdle(1);
@ -58,50 +55,34 @@ public class RedisManager extends BinaryJedisPubSub implements Runnable {
config.getInt("Redis.TimeOut"),
config.getString("Redis.Password"),
config.getBoolean("Redis.useTLS"));
RedisReconnector = Executors.newSingleThreadExecutor();
RedisService = Executors.newSingleThreadExecutor();
try {
this.subscribeJedis = this.jedisPool.getResource();
} catch (Exception ignored) {}
this.channels = config.getStringList("Channels");
encryption = new Encryption(config);
}
public void start() {
this.RedisReconnector.execute(this);
setupChannels(config);
isConnectionBroken = new AtomicBoolean(true);
//Start the main task on async thread
ConnectionTask = plugin.getServer().getScheduler().runTaskTimerAsynchronously(plugin,this, 0 , 20 * 5 );
}
@Override
public void run() {
while (!isShuttingDown.get() && plugin.isEnabled()) {
try {
plugin.getLogger().info(ChatColor.translateAlternateColorCodes('&', "&cConnecting to redis..."));
if (!this.subscribeJedis.isConnected()) this.subscribeJedis = this.jedisPool.getResource();
plugin.getLogger().info(ChatColor.translateAlternateColorCodes('&', "&aRedis connected!"));
byte[][] channelsInByte = new byte[channels.size()][1];
for (int x = 0; x < channels.size(); x++) {
channelsInByte[x] = channels.get(x).getBytes(StandardCharsets.UTF_8);
}
this.subscribeJedis.subscribe(this, channelsInByte);
} catch (Exception e) {
if (isShuttingDown.get() || !plugin.isEnabled()) {
return;
}
plugin.getLogger().warning(ChatColor.translateAlternateColorCodes('&', "&cConnection to redis has failed! &cReconnecting..."));
if (this.subscribeJedis != null) {
this.subscribeJedis.close();
}
}
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (!isConnectionBroken.get()) {
return;
}
System.out.println("connecting to redis!");
try (Jedis jedis = jedisPool.getResource()) {
isConnectionBroken.set(false);
System.out.println("connected to redis!");
jedis.subscribe(this, channelsInByte);
} catch (Exception e) {
isConnectionBroken.set(true);
e.printStackTrace();
}
}
public void shutdown() {
ConnectionTask.cancel();
this.unsubscribe();
jedisPool.close();
}
@Override
@ -170,7 +151,7 @@ public class RedisManager extends BinaryJedisPubSub implements Runnable {
//I will add this once someone tells me how to remove from Skript variable
//because using SET operation has issues with inconvertible types (Double and Long)
//variable = (Variable) Variables.getVariable(variableNames.get(i).toString(), null, false);
// variable.change(null, (Object[]) inputValue, Changer.ChangeMode.REMOVE);
// variable.change(null, (Object[]) inputValue, Changer.ChangeMode.REMOVE);
break;
case "SET":
Variables.setVariable(variableNames.get(i).toString(), inputValue, null, false);
@ -186,6 +167,7 @@ public class RedisManager extends BinaryJedisPubSub implements Runnable {
}
}
public void sendMessage(String[] message, String channel) {
JSONObject json = new JSONObject();
json.put("Messages", new JSONArray(message));
@ -193,6 +175,7 @@ public class RedisManager extends BinaryJedisPubSub implements Runnable {
json.put("Date", System.currentTimeMillis()); //for unique string every time & PING calculations
finishSendMessage(json, channel);
}
public void sendVariables(String[] variableNames, String[] variableValues, String channel, String operation) {
JSONObject json = new JSONObject();
json.put("Names", new JSONArray(variableNames));
@ -209,8 +192,8 @@ public class RedisManager extends BinaryJedisPubSub implements Runnable {
public void finishSendMessage(JSONObject json, String channel) {
try {
byte[] message;
if (this.getEncryption().isEncryptionEnabled()) {
message = this.getEncryption().encrypt(json.toString());
if (encryption.isEncryptionEnabled()) {
message = encryption.encrypt(json.toString());
} else {
message = json.toString().getBytes(StandardCharsets.UTF_8);
}
@ -218,51 +201,39 @@ public class RedisManager extends BinaryJedisPubSub implements Runnable {
//sending a redis message blocks main thread if there's no more connections available
//so to avoid issues, it's best to do it always on separate thread
if (plugin.isEnabled()) {
this.getRedisService().execute(() -> {
BinaryJedis j = this.getJedisPool().getResource();
j.publish(channel.getBytes(StandardCharsets.UTF_8), message);
j.close();
plugin.getServer().getScheduler().runTaskAsynchronously(plugin, () -> {
try (BinaryJedis j = jedisPool.getResource()) {
j.publish(channel.getBytes(StandardCharsets.UTF_8), message);
} catch (Exception e) {
System.out.println("Error sending redis message!");
e.printStackTrace();
}
});
} else {
//execute sending of redis message on the main thread if plugin is disabling
//so it can still process the sending
BinaryJedis j = this.getJedisPool().getResource();
j.publish(channel.getBytes(StandardCharsets.UTF_8), message);
j.close();
try (BinaryJedis j = jedisPool.getResource()) {
j.publish(channel.getBytes(StandardCharsets.UTF_8), message);
} catch (Exception e) {
e.printStackTrace();
}
}
} catch (JedisConnectionException exception) {
exception.printStackTrace();
}
}
public void shutdown() {
this.isShuttingDown.set(true);
if (this.subscribeJedis != null) {
this.unsubscribe();
this.subscribeJedis.close();
private void setupChannels(Configuration config) {
List<String> channels = config.getStringList("Channels");
channelsInByte = new byte[channels.size()][1];
for (int x = 0; x < channels.size(); x++) {
channelsInByte[x] = channels.get(x).getBytes(StandardCharsets.UTF_8);
}
if (this.jedisPool != null) {
jedisPool.close();
}
this.RedisReconnector.shutdown();
this.RedisService.shutdown();
}
public void reload() {
this.shutdown();
plugin.startRedis(true);
}
public JedisPool getJedisPool() {
return jedisPool;
public Boolean isRedisConnectionOffline() {
return isConnectionBroken.get();
}
public Encryption getEncryption() {
return encryption;
}
public ExecutorService getRedisService() { return RedisService; }
}

2
src/main/java/net/limework/rediskript/skript/elements/EffSendMessage.java
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@ -35,7 +35,7 @@ public class EffSendMessage extends Effect {
Bukkit.getLogger().warning(ChatColor.translateAlternateColorCodes('&', "&2[&aRediSkript&a] &cChannel was empty. Please check your code."));
return;
}
plugin.getRedisManager().sendMessage(message, channel);
plugin.getRC().sendMessage(message, channel);
}
@Override

4
src/main/java/net/limework/rediskript/skript/elements/ExprVariableInChannel.java
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@ -66,10 +66,10 @@ public class ExprVariableInChannel extends SimpleExpression<Object> {
}
}
String operation = mode.toString();
plugin.getRedisManager().sendVariables(name.getAll(e), values, channel.getSingle(e), operation);
plugin.getRC().sendVariables(name.getAll(e), values, channel.getSingle(e), operation);
break;
case DELETE:
plugin.getRedisManager().sendVariables(name.getAll(e), null, channel.getSingle(e), "SET");
plugin.getRC().sendVariables(name.getAll(e), null, channel.getSingle(e), "SET");
break;
}
}

2
src/main/resources/plugin.yml
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@ -1,7 +1,7 @@
main: net.limework.rediskript.RediSkript
name: ${project.name}
version: ${project.version}
authors: [Govindas, ham1255, DaemonicKing]
authors: [Govindas, ham1255, DaemonicKing, limework.net]
api-version: 1.13
depend: [Skript]
commands: