Launcher/LaunchServer/src/main/java/ru/gravit/launchserver/auth/MySQLSourceConfig.java

102 lines
3.7 KiB
Java

package ru.gravit.launchserver.auth;
import java.sql.Connection;
import java.sql.SQLException;
import javax.sql.DataSource;
import com.mysql.cj.jdbc.MysqlDataSource;
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
import ru.gravit.utils.helper.LogHelper;
import ru.gravit.utils.helper.VerifyHelper;
public final class MySQLSourceConfig implements AutoCloseable {
public static final int TIMEOUT = VerifyHelper.verifyInt(
Integer.parseUnsignedInt(System.getProperty("launcher.mysql.idleTimeout", Integer.toString(5000))),
VerifyHelper.POSITIVE, "launcher.mysql.idleTimeout can't be <= 5000");
private static final int MAX_POOL_SIZE = VerifyHelper.verifyInt(
Integer.parseUnsignedInt(System.getProperty("launcher.mysql.maxPoolSize", Integer.toString(3))),
VerifyHelper.POSITIVE, "launcher.mysql.maxPoolSize can't be <= 0");
// Instance
private transient final String poolName;
// Config
private String address;
private int port;
private boolean useSSL;
private boolean verifyCertificates;
private String username;
private String password;
private String database;
private String timeZone;
// Cache
private transient DataSource source;
private transient boolean hikari;
public MySQLSourceConfig(String poolName) {
this.poolName = poolName;
}
@Override
public synchronized void close() {
if (hikari)
((HikariDataSource) source).close();
}
public synchronized Connection getConnection() throws SQLException {
if (source == null) { // New data source
MysqlDataSource mysqlSource = new MysqlDataSource();
mysqlSource.setCharacterEncoding("UTF-8");
// Prep statements cache
mysqlSource.setPrepStmtCacheSize(250);
mysqlSource.setPrepStmtCacheSqlLimit(2048);
mysqlSource.setCachePrepStmts(true);
mysqlSource.setUseServerPrepStmts(true);
// General optimizations
mysqlSource.setCacheServerConfiguration(true);
mysqlSource.setUseLocalSessionState(true);
mysqlSource.setRewriteBatchedStatements(true);
mysqlSource.setMaintainTimeStats(false);
mysqlSource.setUseUnbufferedInput(false);
mysqlSource.setUseReadAheadInput(false);
mysqlSource.setUseSSL(useSSL);
mysqlSource.setVerifyServerCertificate(verifyCertificates);
// Set credentials
mysqlSource.setServerName(address);
mysqlSource.setPortNumber(port);
mysqlSource.setUser(username);
mysqlSource.setPassword(password);
mysqlSource.setDatabaseName(database);
mysqlSource.setTcpNoDelay(true);
if (timeZone != null) mysqlSource.setServerTimezone(timeZone);
hikari = false;
// Try using HikariCP
source = mysqlSource;
try {
Class.forName("com.zaxxer.hikari.HikariDataSource");
hikari = true; // Used for shutdown. Not instanceof because of possible classpath error
HikariConfig cfg = new HikariConfig();
cfg.setDataSource(mysqlSource);
cfg.setPoolName(poolName);
cfg.setMaximumPoolSize(MAX_POOL_SIZE);
// Set HikariCP pool
// Replace source with hds
source = new HikariDataSource(cfg);
LogHelper.info("HikariCP pooling enabled for '%s'", poolName);
} catch (ClassNotFoundException ignored) {
LogHelper.warning("HikariCP isn't in classpath for '%s'", poolName);
}
}
return source.getConnection();
}
}