mirror of
https://github.com/alibaba/druid.git
synced 2023-03-04 19:17:16 +00:00
2766 lines
91 KiB
Java
2766 lines
91 KiB
Java
/*
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* Copyright 1999-2011 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.druid.pool;
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import static com.alibaba.druid.util.Utils.getBoolean;
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import java.io.Closeable;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.ConcurrentModificationException;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Properties;
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import java.util.ServiceLoader;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.ScheduledFuture;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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import javax.management.JMException;
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import javax.management.MBeanRegistration;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import javax.naming.NamingException;
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import javax.naming.Reference;
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import javax.naming.Referenceable;
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import javax.naming.StringRefAddr;
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import javax.sql.ConnectionEvent;
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import javax.sql.ConnectionEventListener;
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import javax.sql.ConnectionPoolDataSource;
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import javax.sql.PooledConnection;
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import com.alibaba.druid.Constants;
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import com.alibaba.druid.TransactionTimeoutException;
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import com.alibaba.druid.VERSION;
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import com.alibaba.druid.filter.AutoLoad;
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import com.alibaba.druid.filter.Filter;
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import com.alibaba.druid.filter.FilterChainImpl;
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import com.alibaba.druid.mock.MockDriver;
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import com.alibaba.druid.pool.DruidPooledPreparedStatement.PreparedStatementKey;
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import com.alibaba.druid.pool.vendor.DB2ExceptionSorter;
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import com.alibaba.druid.pool.vendor.InformixExceptionSorter;
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import com.alibaba.druid.pool.vendor.MSSQLValidConnectionChecker;
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import com.alibaba.druid.pool.vendor.MockExceptionSorter;
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import com.alibaba.druid.pool.vendor.MySqlExceptionSorter;
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import com.alibaba.druid.pool.vendor.MySqlValidConnectionChecker;
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import com.alibaba.druid.pool.vendor.OracleExceptionSorter;
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import com.alibaba.druid.pool.vendor.OracleValidConnectionChecker;
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import com.alibaba.druid.pool.vendor.PGExceptionSorter;
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import com.alibaba.druid.pool.vendor.PGValidConnectionChecker;
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import com.alibaba.druid.pool.vendor.SybaseExceptionSorter;
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import com.alibaba.druid.proxy.DruidDriver;
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import com.alibaba.druid.proxy.jdbc.DataSourceProxyConfig;
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import com.alibaba.druid.proxy.jdbc.TransactionInfo;
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import com.alibaba.druid.sql.ast.SQLStatement;
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import com.alibaba.druid.sql.ast.statement.SQLSelectQuery;
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import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
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import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
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import com.alibaba.druid.sql.parser.SQLParserUtils;
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import com.alibaba.druid.sql.parser.SQLStatementParser;
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import com.alibaba.druid.stat.DruidDataSourceStatManager;
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import com.alibaba.druid.stat.JdbcDataSourceStat;
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import com.alibaba.druid.stat.JdbcSqlStat;
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import com.alibaba.druid.stat.JdbcSqlStatValue;
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import com.alibaba.druid.support.logging.Log;
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import com.alibaba.druid.support.logging.LogFactory;
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import com.alibaba.druid.util.JMXUtils;
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import com.alibaba.druid.util.JdbcConstants;
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import com.alibaba.druid.util.JdbcUtils;
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import com.alibaba.druid.util.StringUtils;
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import com.alibaba.druid.util.Utils;
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import com.alibaba.druid.wall.WallFilter;
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import com.alibaba.druid.wall.WallProviderStatValue;
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/**
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* @author ljw<ljw2083@alibaba-inc.com>
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* @author wenshao<szujobs@hotmail.com>
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*/
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public class DruidDataSource extends DruidAbstractDataSource
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implements DruidDataSourceMBean
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, ManagedDataSource
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, Referenceable
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, Closeable
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, Cloneable
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, ConnectionPoolDataSource
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, MBeanRegistration {
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private final static Log LOG = LogFactory.getLog(DruidDataSource.class);
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private static final long serialVersionUID = 1L;
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// stats
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private final AtomicLong recycleErrorCount = new AtomicLong();
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private long connectCount = 0L;
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private long closeCount = 0L;
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private final AtomicLong connectErrorCount = new AtomicLong();
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private long recycleCount = 0L;
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private long removeAbandonedCount = 0L;
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private long notEmptyWaitCount = 0L;
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private long notEmptySignalCount = 0L;
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private long notEmptyWaitNanos = 0L;
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private int activePeak = 0;
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private long activePeakTime = 0;
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private int poolingPeak = 0;
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private long poolingPeakTime = 0;
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// store
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private volatile DruidConnectionHolder[] connections;
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private int poolingCount = 0;
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private int activeCount = 0;
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private long discardCount = 0;
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private int notEmptyWaitThreadCount = 0;
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private int notEmptyWaitThreadPeak = 0;
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// threads
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private ScheduledFuture<?> destroySchedulerFuture;
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private DestroyTask destoryTask;
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private CreateConnectionThread createConnectionThread;
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private DestroyConnectionThread destroyConnectionThread;
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private LogStatsThread logStatsThread;
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private int createTaskCount;
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private final CountDownLatch initedLatch = new CountDownLatch(2);
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private volatile boolean enable = true;
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private boolean resetStatEnable = true;
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private final AtomicLong resetCount = new AtomicLong();
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private String initStackTrace;
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private volatile boolean closed = false;
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private long closeTimeMillis = -1L;
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protected JdbcDataSourceStat dataSourceStat;
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private boolean useGlobalDataSourceStat = false;
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private boolean mbeanRegistered = false;
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public static ThreadLocal<Long> waitNanosLocal = new ThreadLocal<Long>();
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private boolean logDifferentThread = true;
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public DruidDataSource(){
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this(false);
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}
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public DruidDataSource(boolean fairLock){
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super(fairLock);
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configFromPropety(System.getProperties());
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}
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public void configFromPropety(Properties properties) {
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{
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Boolean value = getBoolean(properties, "druid.testWhileIdle");
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if (value != null) {
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this.setTestWhileIdle(value);
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}
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}
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{
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Boolean value = getBoolean(properties, "druid.testOnBorrow");
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if (value != null) {
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this.setTestOnBorrow(value);
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}
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}
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{
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String property = properties.getProperty("druid.validationQuery");
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if (property != null && property.length() > 0) {
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this.setValidationQuery(property);
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}
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}
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{
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Boolean value = getBoolean(properties, "druid.useGlobalDataSourceStat");
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if (value != null) {
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this.setUseGlobalDataSourceStat(value);
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}
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}
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{
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Boolean value = getBoolean(properties, "druid.useGloalDataSourceStat"); // compatible for early versions
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if (value != null) {
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this.setUseGlobalDataSourceStat(value);
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}
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}
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{
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String property = properties.getProperty("druid.filters");
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if (property != null && property.length() > 0) {
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try {
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this.setFilters(property);
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} catch (SQLException e) {
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LOG.error("setFilters error", e);
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}
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}
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}
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{
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String property = properties.getProperty(Constants.DRUID_TIME_BETWEEN_LOG_STATS_MILLIS);
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if (property != null && property.length() > 0) {
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try {
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long value = Long.parseLong(property);
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this.setTimeBetweenLogStatsMillis(value);
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} catch (NumberFormatException e) {
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LOG.error("illegal property '" + Constants.DRUID_TIME_BETWEEN_LOG_STATS_MILLIS + "'", e);
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}
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}
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}
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{
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String property = properties.getProperty(Constants.DRUID_STAT_SQL_MAX_SIZE);
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if (property != null && property.length() > 0) {
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try {
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int value = Integer.parseInt(property);
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if (dataSourceStat != null) {
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dataSourceStat.setMaxSqlSize(value);
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}
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} catch (NumberFormatException e) {
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LOG.error("illegal property '" + Constants.DRUID_STAT_SQL_MAX_SIZE + "'", e);
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}
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}
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}
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{
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Boolean value = getBoolean(properties, "druid.clearFiltersEnable");
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if (value != null) {
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this.setClearFiltersEnable(value);
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}
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}
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{
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Boolean value = getBoolean(properties, "druid.resetStatEnable");
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if (value != null) {
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this.setResetStatEnable(value);
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}
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}
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{
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String property = properties.getProperty("druid.notFullTimeoutRetryCount");
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if (property != null && property.length() > 0) {
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try {
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int value = Integer.parseInt(property);
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this.setNotFullTimeoutRetryCount(value);
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} catch (NumberFormatException e) {
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LOG.error("illegal property 'druid.notFullTimeoutRetryCount'", e);
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}
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}
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}
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}
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public boolean isUseGlobalDataSourceStat() {
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return useGlobalDataSourceStat;
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}
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public void setUseGlobalDataSourceStat(boolean useGlobalDataSourceStat) {
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this.useGlobalDataSourceStat = useGlobalDataSourceStat;
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}
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public String getInitStackTrace() {
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return initStackTrace;
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}
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public boolean isResetStatEnable() {
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return resetStatEnable;
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}
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public void setResetStatEnable(boolean resetStatEnable) {
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this.resetStatEnable = resetStatEnable;
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if (dataSourceStat != null) {
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dataSourceStat.setResetStatEnable(resetStatEnable);
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}
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}
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public long getDiscardCount() {
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return discardCount;
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}
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public void restart() throws SQLException {
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lock.lock();
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try {
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if (activeCount > 0) {
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throw new SQLException("can not restart, activeCount not zero. " + activeCount);
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}
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if (LOG.isInfoEnabled()) {
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LOG.info("{dataSource-" + this.getID() + "} restart");
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}
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this.close();
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this.resetStat();
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this.inited = false;
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this.enable = true;
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this.closed = false;
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} finally {
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lock.unlock();
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}
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}
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public void resetStat() {
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if (!isResetStatEnable()) {
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return;
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}
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lock.lock();
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try {
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connectCount = 0;
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closeCount = 0;
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discardCount = 0;
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recycleCount = 0;
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createCount.set(0);
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destroyCount.set(0);
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removeAbandonedCount = 0;
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notEmptyWaitCount = 0;
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notEmptySignalCount = 0L;
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notEmptyWaitNanos = 0;
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activePeak = 0;
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activePeakTime = 0;
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poolingPeak = 0;
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createTimespan = 0;
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lastError = null;
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lastErrorTimeMillis = 0;
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lastCreateError = null;
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lastCreateErrorTimeMillis = 0;
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} finally {
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lock.unlock();
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}
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connectErrorCount.set(0);
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errorCount.set(0);
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commitCount.set(0);
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rollbackCount.set(0);
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startTransactionCount.set(0);
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cachedPreparedStatementHitCount.set(0);
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closedPreparedStatementCount.set(0);
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preparedStatementCount.set(0);
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transactionHistogram.reset();
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cachedPreparedStatementDeleteCount.set(0);
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recycleErrorCount.set(0);
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resetCount.incrementAndGet();
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}
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public long getResetCount() {
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return this.resetCount.get();
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}
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public boolean isEnable() {
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return enable;
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}
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public void setEnable(boolean enable) {
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lock.lock();
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try {
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this.enable = enable;
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if (!enable) {
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notEmpty.signalAll();
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notEmptySignalCount++;
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}
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} finally {
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lock.unlock();
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}
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}
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public void setPoolPreparedStatements(boolean value) {
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if (this.poolPreparedStatements == value) {
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return;
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}
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this.poolPreparedStatements = value;
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if (!inited) {
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return;
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}
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if (LOG.isInfoEnabled()) {
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LOG.info("set poolPreparedStatements " + this.poolPreparedStatements + " -> " + value);
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}
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if (!value) {
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lock.lock();
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try {
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for (int i = 0; i < poolingCount; ++i) {
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DruidConnectionHolder connection = connections[i];
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for (PreparedStatementHolder holder : connection.getStatementPool().getMap().values()) {
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closePreapredStatement(holder);
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}
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connection.getStatementPool().getMap().clear();
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}
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} finally {
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lock.unlock();
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}
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}
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}
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public void setMaxActive(int maxActive) {
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if (this.maxActive == maxActive) {
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return;
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}
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if (maxActive == 0) {
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throw new IllegalArgumentException("maxActive can't not set zero");
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}
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if (!inited) {
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this.maxActive = maxActive;
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return;
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}
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if (maxActive < this.minIdle) {
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throw new IllegalArgumentException("maxActive less than minIdle, " + maxActive + " < " + this.minIdle);
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}
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if (LOG.isInfoEnabled()) {
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LOG.info("maxActive changed : " + this.maxActive + " -> " + maxActive);
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}
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lock.lock();
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try {
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int allCount = this.poolingCount + this.activeCount;
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if (maxActive > allCount) {
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this.connections = Arrays.copyOf(this.connections, maxActive);
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} else {
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this.connections = Arrays.copyOf(this.connections, allCount);
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}
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this.maxActive = maxActive;
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} finally {
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lock.unlock();
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}
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}
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@SuppressWarnings("rawtypes")
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public void setConnectProperties(Properties properties) {
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if (properties == null) {
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properties = new Properties();
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}
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boolean equals;
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if (properties.size() == this.connectProperties.size()) {
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equals = true;
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for (Map.Entry entry : properties.entrySet()) {
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Object value = this.connectProperties.get(entry.getKey());
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Object entryValue = entry.getValue();
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if (value == null && entryValue != null) {
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equals = false;
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break;
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}
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if (!value.equals(entry.getValue())) {
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equals = false;
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break;
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}
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}
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} else {
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equals = false;
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}
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if (!equals) {
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if (inited && LOG.isInfoEnabled()) {
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LOG.info("connectProperties changed : " + this.connectProperties + " -> " + properties);
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}
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configFromPropety(properties);
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for (Filter filter : this.filters) {
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filter.configFromProperties(properties);
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}
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if (exceptionSorter != null) {
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exceptionSorter.configFromProperties(properties);
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}
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if (validConnectionChecker != null) {
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validConnectionChecker.configFromProperties(properties);
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}
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if (statLogger != null) {
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statLogger.configFromProperties(properties);
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}
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}
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this.connectProperties = properties;
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}
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public void init() throws SQLException {
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if (inited) {
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return;
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}
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final ReentrantLock lock = this.lock;
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try {
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lock.lockInterruptibly();
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} catch (InterruptedException e) {
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throw new SQLException("interrupt", e);
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}
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boolean init = false;
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try {
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if (inited) {
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return;
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}
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init = true;
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initStackTrace = Utils.toString(Thread.currentThread().getStackTrace());
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this.id = DruidDriver.createDataSourceId();
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if (this.id > 1) {
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long delta = (this.id - 1) * 100000;
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this.connectionIdSeed.addAndGet(delta);
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this.statementIdSeed.addAndGet(delta);
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this.resultSetIdSeed.addAndGet(delta);
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this.transactionIdSeed.addAndGet(delta);
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}
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if (this.jdbcUrl != null) {
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this.jdbcUrl = this.jdbcUrl.trim();
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initFromWrapDriverUrl();
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}
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if (this.dbType == null || this.dbType.length() == 0) {
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this.dbType = JdbcUtils.getDbType(jdbcUrl, null);
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}
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for (Filter filter : filters) {
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filter.init(this);
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}
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if (JdbcConstants.MYSQL.equals(this.dbType) || //
|
|
JdbcConstants.MARIADB.equals(this.dbType)) {
|
|
boolean cacheServerConfigurationSet = false;
|
|
if (this.connectProperties.containsKey("cacheServerConfiguration")) {
|
|
cacheServerConfigurationSet = true;
|
|
} else if (this.jdbcUrl.indexOf("cacheServerConfiguration") != -1) {
|
|
cacheServerConfigurationSet = true;
|
|
}
|
|
if (cacheServerConfigurationSet) {
|
|
this.connectProperties.put("cacheServerConfiguration", "true");
|
|
}
|
|
}
|
|
|
|
if (maxActive <= 0) {
|
|
throw new IllegalArgumentException("illegal maxActive " + maxActive);
|
|
}
|
|
|
|
if (maxActive < minIdle) {
|
|
throw new IllegalArgumentException("illegal maxActive " + maxActive);
|
|
}
|
|
|
|
if (getInitialSize() > maxActive) {
|
|
throw new IllegalArgumentException("illegal initialSize " + this.initialSize + ", maxActieve "
|
|
+ maxActive);
|
|
}
|
|
|
|
if (timeBetweenLogStatsMillis > 0 && useGlobalDataSourceStat) {
|
|
throw new IllegalArgumentException("timeBetweenLogStatsMillis not support useGlobalDataSourceStat=true");
|
|
}
|
|
|
|
if (this.driverClass != null) {
|
|
this.driverClass = driverClass.trim();
|
|
}
|
|
|
|
initFromSPIServiceLoader();
|
|
|
|
if (this.driver == null) {
|
|
if (this.driverClass == null || this.driverClass.isEmpty()) {
|
|
this.driverClass = JdbcUtils.getDriverClassName(this.jdbcUrl);
|
|
}
|
|
|
|
if (MockDriver.class.getName().equals(driverClass)) {
|
|
driver = MockDriver.instance;
|
|
} else {
|
|
driver = JdbcUtils.createDriver(driverClassLoader, driverClass);
|
|
}
|
|
} else {
|
|
if (this.driverClass == null) {
|
|
this.driverClass = driver.getClass().getName();
|
|
}
|
|
}
|
|
|
|
initCheck();
|
|
|
|
initExceptionSorter();
|
|
initValidConnectionChecker();
|
|
validationQueryCheck();
|
|
|
|
if (isUseGlobalDataSourceStat()) {
|
|
dataSourceStat = JdbcDataSourceStat.getGlobal();
|
|
if (dataSourceStat == null) {
|
|
dataSourceStat = new JdbcDataSourceStat("Global", "Global", this.dbType);
|
|
JdbcDataSourceStat.setGlobal(dataSourceStat);
|
|
}
|
|
if (dataSourceStat.getDbType() == null) {
|
|
dataSourceStat.setDbType(this.getDbType());
|
|
}
|
|
} else {
|
|
dataSourceStat = new JdbcDataSourceStat(this.name, this.jdbcUrl, this.dbType, this.connectProperties);
|
|
}
|
|
dataSourceStat.setResetStatEnable(this.resetStatEnable);
|
|
|
|
connections = new DruidConnectionHolder[maxActive];
|
|
|
|
SQLException connectError = null;
|
|
|
|
try {
|
|
// init connections
|
|
for (int i = 0, size = getInitialSize(); i < size; ++i) {
|
|
Connection conn = createPhysicalConnection();
|
|
DruidConnectionHolder holder = new DruidConnectionHolder(this, conn);
|
|
connections[poolingCount] = holder;
|
|
incrementPoolingCount();
|
|
}
|
|
|
|
if (poolingCount > 0) {
|
|
poolingPeak = poolingCount;
|
|
poolingPeakTime = System.currentTimeMillis();
|
|
}
|
|
} catch (SQLException ex) {
|
|
LOG.error("init datasource error, url: " + this.getUrl(), ex);
|
|
connectError = ex;
|
|
}
|
|
|
|
createAndLogThread();
|
|
createAndStartCreatorThread();
|
|
createAndStartDestroyThread();
|
|
|
|
initedLatch.await();
|
|
|
|
initedTime = new Date();
|
|
registerMbean();
|
|
|
|
if (connectError != null && poolingCount == 0) {
|
|
throw connectError;
|
|
}
|
|
} catch (SQLException e) {
|
|
LOG.error("dataSource init error", e);
|
|
throw e;
|
|
} catch (InterruptedException e) {
|
|
throw new SQLException(e.getMessage(), e);
|
|
} finally {
|
|
inited = true;
|
|
lock.unlock();
|
|
|
|
if (init && LOG.isInfoEnabled()) {
|
|
LOG.info("{dataSource-" + this.getID() + "} inited");
|
|
}
|
|
}
|
|
}
|
|
|
|
private void createAndLogThread() {
|
|
if (this.timeBetweenLogStatsMillis <= 0) {
|
|
return;
|
|
}
|
|
|
|
String threadName = "Druid-ConnectionPool-Log-" + System.identityHashCode(this);
|
|
logStatsThread = new LogStatsThread(threadName);
|
|
logStatsThread.start();
|
|
|
|
this.resetStatEnable = false;
|
|
}
|
|
|
|
protected void createAndStartDestroyThread() {
|
|
destoryTask = new DestroyTask();
|
|
|
|
if (destroyScheduler != null) {
|
|
long period = timeBetweenEvictionRunsMillis;
|
|
if (period <= 0) {
|
|
period = 1000;
|
|
}
|
|
destroySchedulerFuture = destroyScheduler.scheduleAtFixedRate(destoryTask, period, period,
|
|
TimeUnit.MILLISECONDS);
|
|
initedLatch.countDown();
|
|
return;
|
|
}
|
|
|
|
String threadName = "Druid-ConnectionPool-Destroy-" + System.identityHashCode(this);
|
|
destroyConnectionThread = new DestroyConnectionThread(threadName);
|
|
destroyConnectionThread.start();
|
|
}
|
|
|
|
protected void createAndStartCreatorThread() {
|
|
if (createScheduler == null) {
|
|
String threadName = "Druid-ConnectionPool-Create-" + System.identityHashCode(this);
|
|
createConnectionThread = new CreateConnectionThread(threadName);
|
|
createConnectionThread.start();
|
|
return;
|
|
}
|
|
|
|
initedLatch.countDown();
|
|
}
|
|
|
|
/**
|
|
* load filters from SPI ServiceLoader
|
|
*
|
|
* @see ServiceLoader
|
|
*/
|
|
private void initFromSPIServiceLoader() {
|
|
|
|
String property = System.getProperty("druid.load.spifilter.skip");
|
|
if (property != null) {
|
|
return;
|
|
}
|
|
|
|
ServiceLoader<Filter> druidAutoFilterLoader = ServiceLoader.load(Filter.class);
|
|
|
|
for (Filter autoFilter : druidAutoFilterLoader) {
|
|
AutoLoad autoLoad = autoFilter.getClass().getAnnotation(AutoLoad.class);
|
|
if (autoLoad != null && autoLoad.value()) {
|
|
if (LOG.isInfoEnabled()) {
|
|
LOG.info("load filter from spi :" + autoFilter.getClass().getName());
|
|
}
|
|
addFilter(autoFilter);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void initFromWrapDriverUrl() throws SQLException {
|
|
if (!jdbcUrl.startsWith(DruidDriver.DEFAULT_PREFIX)) {
|
|
return;
|
|
}
|
|
|
|
DataSourceProxyConfig config = DruidDriver.parseConfig(jdbcUrl, null);
|
|
this.driverClass = config.getRawDriverClassName();
|
|
|
|
LOG.error("error url : '" + jdbcUrl + "', it should be : '" + config.getRawUrl() + "'");
|
|
|
|
this.jdbcUrl = config.getRawUrl();
|
|
if (this.name == null) {
|
|
this.name = config.getName();
|
|
}
|
|
|
|
for (Filter filter : config.getFilters()) {
|
|
addFilter(filter);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 会去重复
|
|
*
|
|
* @param filter
|
|
*/
|
|
private void addFilter(Filter filter) {
|
|
boolean exists = false;
|
|
for (Filter initedFilter : this.filters) {
|
|
if (initedFilter.getClass() == filter.getClass()) {
|
|
exists = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!exists) {
|
|
filter.init(this);
|
|
this.filters.add(filter);
|
|
}
|
|
|
|
}
|
|
|
|
private void validationQueryCheck() {
|
|
if (!(isTestOnBorrow() || isTestOnReturn() || isTestWhileIdle())) {
|
|
return;
|
|
}
|
|
|
|
if (this.validConnectionChecker != null) {
|
|
return;
|
|
}
|
|
|
|
if (this.getValidationQuery() != null && this.getValidationQuery().length() > 0) {
|
|
return;
|
|
}
|
|
|
|
String errorMessage = "";
|
|
|
|
if (isTestOnBorrow()) {
|
|
errorMessage += "testOnBorrow is true, ";
|
|
}
|
|
|
|
if (isTestOnReturn()) {
|
|
errorMessage += "testOnReturn is true, ";
|
|
}
|
|
|
|
if (isTestWhileIdle()) {
|
|
errorMessage += "testWhileIdle is true, ";
|
|
}
|
|
|
|
LOG.error(errorMessage + "validationQuery not set");
|
|
}
|
|
|
|
protected void initCheck() throws SQLException {
|
|
if (JdbcUtils.ORACLE.equals(this.dbType)) {
|
|
isOracle = true;
|
|
|
|
if (driver.getMajorVersion() < 10) {
|
|
throw new SQLException("not support oracle driver " + driver.getMajorVersion() + "."
|
|
+ driver.getMinorVersion());
|
|
}
|
|
|
|
if (driver.getMajorVersion() == 10 && isUseOracleImplicitCache()) {
|
|
this.getConnectProperties().setProperty("oracle.jdbc.FreeMemoryOnEnterImplicitCache", "true");
|
|
}
|
|
|
|
oracleValidationQueryCheck();
|
|
} else if (JdbcUtils.DB2.equals(dbType)) {
|
|
db2ValidationQueryCheck();
|
|
}
|
|
}
|
|
|
|
private void oracleValidationQueryCheck() {
|
|
if (validationQuery == null) {
|
|
return;
|
|
}
|
|
if (validationQuery.length() == 0) {
|
|
return;
|
|
}
|
|
|
|
SQLStatementParser sqlStmtParser = SQLParserUtils.createSQLStatementParser(validationQuery, this.dbType);
|
|
List<SQLStatement> stmtList = sqlStmtParser.parseStatementList();
|
|
|
|
if (stmtList.size() != 1) {
|
|
return;
|
|
}
|
|
|
|
SQLStatement stmt = stmtList.get(0);
|
|
if (!(stmt instanceof SQLSelectStatement)) {
|
|
return;
|
|
}
|
|
|
|
SQLSelectQuery query = ((SQLSelectStatement) stmt).getSelect().getQuery();
|
|
if (query instanceof SQLSelectQueryBlock) {
|
|
if (((SQLSelectQueryBlock) query).getFrom() == null) {
|
|
LOG.error("invalid oracle validationQuery. " + validationQuery + ", may should be : " + validationQuery
|
|
+ " FROM DUAL");
|
|
}
|
|
}
|
|
}
|
|
|
|
private void db2ValidationQueryCheck() {
|
|
if (validationQuery == null) {
|
|
return;
|
|
}
|
|
if (validationQuery.length() == 0) {
|
|
return;
|
|
}
|
|
|
|
SQLStatementParser sqlStmtParser = SQLParserUtils.createSQLStatementParser(validationQuery, this.dbType);
|
|
List<SQLStatement> stmtList = sqlStmtParser.parseStatementList();
|
|
|
|
if (stmtList.size() != 1) {
|
|
return;
|
|
}
|
|
|
|
SQLStatement stmt = stmtList.get(0);
|
|
if (!(stmt instanceof SQLSelectStatement)) {
|
|
return;
|
|
}
|
|
|
|
SQLSelectQuery query = ((SQLSelectStatement) stmt).getSelect().getQuery();
|
|
if (query instanceof SQLSelectQueryBlock) {
|
|
if (((SQLSelectQueryBlock) query).getFrom() == null) {
|
|
LOG.error("invalid db2 validationQuery. " + validationQuery + ", may should be : " + validationQuery
|
|
+ " FROM SYSDUMMY");
|
|
}
|
|
}
|
|
}
|
|
|
|
private void initValidConnectionChecker() {
|
|
String realDriverClassName = driver.getClass().getName();
|
|
if (realDriverClassName.equals(JdbcConstants.MYSQL_DRIVER)) {
|
|
this.validConnectionChecker = new MySqlValidConnectionChecker();
|
|
} else if (realDriverClassName.equals(JdbcConstants.ORACLE_DRIVER)) {
|
|
this.validConnectionChecker = new OracleValidConnectionChecker();
|
|
} else if (realDriverClassName.equals(JdbcConstants.SQL_SERVER_DRIVER)) {
|
|
this.validConnectionChecker = new MSSQLValidConnectionChecker();
|
|
} else if (realDriverClassName.equals(JdbcConstants.POSTGRESQL_DRIVER)) {
|
|
this.validConnectionChecker = new PGValidConnectionChecker();
|
|
}
|
|
}
|
|
|
|
private void initExceptionSorter() {
|
|
if (this.exceptionSorter != null) {
|
|
return;
|
|
}
|
|
|
|
String realDriverClassName = driver.getClass().getName();
|
|
if (realDriverClassName.equals(JdbcConstants.MYSQL_DRIVER)) {
|
|
this.exceptionSorter = new MySqlExceptionSorter();
|
|
} else if (realDriverClassName.equals(JdbcConstants.ORACLE_DRIVER)) {
|
|
this.exceptionSorter = new OracleExceptionSorter();
|
|
} else if (realDriverClassName.equals("com.informix.jdbc.IfxDriver")) {
|
|
this.exceptionSorter = new InformixExceptionSorter();
|
|
|
|
} else if (realDriverClassName.equals("com.sybase.jdbc2.jdbc.SybDriver")) {
|
|
this.exceptionSorter = new SybaseExceptionSorter();
|
|
|
|
} else if (realDriverClassName.equals(JdbcConstants.POSTGRESQL_DRIVER)) {
|
|
this.exceptionSorter = new PGExceptionSorter();
|
|
|
|
} else if (realDriverClassName.equals("com.alibaba.druid.mock.MockDriver")) {
|
|
this.exceptionSorter = new MockExceptionSorter();
|
|
} else if (realDriverClassName.contains("DB2")) {
|
|
this.exceptionSorter = new DB2ExceptionSorter();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public DruidPooledConnection getConnection() throws SQLException {
|
|
return getConnection(maxWait);
|
|
}
|
|
|
|
public DruidPooledConnection getConnection(long maxWaitMillis) throws SQLException {
|
|
init();
|
|
|
|
if (filters.size() > 0) {
|
|
FilterChainImpl filterChain = new FilterChainImpl(this);
|
|
return filterChain.dataSource_connect(this, maxWaitMillis);
|
|
} else {
|
|
return getConnectionDirect(maxWaitMillis);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public PooledConnection getPooledConnection() throws SQLException {
|
|
return getConnection(maxWait);
|
|
}
|
|
|
|
@Override
|
|
public PooledConnection getPooledConnection(String user, String password) throws SQLException {
|
|
throw new UnsupportedOperationException("Not supported by DruidDataSource");
|
|
}
|
|
|
|
public DruidPooledConnection getConnectionDirect(long maxWaitMillis) throws SQLException {
|
|
int notFullTimeoutRetryCnt = 0;
|
|
for (;;) {
|
|
// handle notFullTimeoutRetry
|
|
DruidPooledConnection poolableConnection;
|
|
try {
|
|
poolableConnection = getConnectionInternal(maxWaitMillis);
|
|
} catch (GetConnectionTimeoutException ex) {
|
|
if (notFullTimeoutRetryCnt <= this.notFullTimeoutRetryCount && !isFull()) {
|
|
notFullTimeoutRetryCnt++;
|
|
if (LOG.isWarnEnabled()) {
|
|
LOG.warn("not full timeout retry : " + notFullTimeoutRetryCnt);
|
|
}
|
|
continue;
|
|
}
|
|
throw ex;
|
|
}
|
|
|
|
if (isTestOnBorrow()) {
|
|
boolean validate = testConnectionInternal(poolableConnection.getConnection());
|
|
if (!validate) {
|
|
if (LOG.isDebugEnabled()) {
|
|
LOG.debug("skip not validate connection.");
|
|
}
|
|
|
|
Connection realConnection = poolableConnection.getConnection();
|
|
discardConnection(realConnection);
|
|
continue;
|
|
}
|
|
} else {
|
|
Connection realConnection = poolableConnection.getConnection();
|
|
if (realConnection.isClosed()) {
|
|
discardConnection(null); // 传入null，避免重复关闭
|
|
continue;
|
|
}
|
|
|
|
if (isTestWhileIdle()) {
|
|
final long currentTimeMillis = System.currentTimeMillis();
|
|
final long lastActiveTimeMillis = poolableConnection.getConnectionHolder().getLastActiveTimeMillis();
|
|
final long idleMillis = currentTimeMillis - lastActiveTimeMillis;
|
|
long timeBetweenEvictionRunsMillis = this.getTimeBetweenEvictionRunsMillis();
|
|
if (timeBetweenEvictionRunsMillis <= 0) {
|
|
timeBetweenEvictionRunsMillis = DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS;
|
|
}
|
|
|
|
if (idleMillis >= timeBetweenEvictionRunsMillis) {
|
|
boolean validate = testConnectionInternal(poolableConnection.getConnection());
|
|
if (!validate) {
|
|
if (LOG.isDebugEnabled()) {
|
|
LOG.debug("skip not validate connection.");
|
|
}
|
|
|
|
discardConnection(realConnection);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isRemoveAbandoned()) {
|
|
StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
|
|
poolableConnection.setConnectStackTrace(stackTrace);
|
|
poolableConnection.setConnectedTimeNano();
|
|
poolableConnection.setTraceEnable(true);
|
|
|
|
synchronized (activeConnections) {
|
|
activeConnections.put(poolableConnection, PRESENT);
|
|
}
|
|
}
|
|
|
|
if (!this.isDefaultAutoCommit()) {
|
|
poolableConnection.setAutoCommit(false);
|
|
}
|
|
|
|
return poolableConnection;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 抛弃连接，不进行回收，而是抛弃
|
|
*
|
|
* @param realConnection
|
|
* @throws SQLException
|
|
*/
|
|
public void discardConnection(Connection realConnection) {
|
|
JdbcUtils.close(realConnection);
|
|
|
|
lock.lock();
|
|
try {
|
|
activeCount--;
|
|
discardCount++;
|
|
|
|
if (activeCount <= 0) {
|
|
emptySignal();
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
private DruidPooledConnection getConnectionInternal(long maxWait) throws SQLException {
|
|
if (closed) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new DataSourceClosedException("dataSource already closed at " + new Date(closeTimeMillis));
|
|
}
|
|
|
|
if (!enable) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new DataSourceDisableException();
|
|
}
|
|
|
|
final long nanos = TimeUnit.MILLISECONDS.toNanos(maxWait);
|
|
final int maxWaitThreadCount = getMaxWaitThreadCount();
|
|
|
|
DruidConnectionHolder holder;
|
|
try {
|
|
lock.lockInterruptibly();
|
|
} catch (InterruptedException e) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new SQLException("interrupt", e);
|
|
}
|
|
|
|
try {
|
|
if (maxWaitThreadCount > 0) {
|
|
if (notEmptyWaitThreadCount >= maxWaitThreadCount) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new SQLException("maxWaitThreadCount " + maxWaitThreadCount + ", current wait Thread count "
|
|
+ lock.getQueueLength());
|
|
}
|
|
}
|
|
|
|
connectCount++;
|
|
|
|
if (maxWait > 0) {
|
|
holder = pollLast(nanos);
|
|
} else {
|
|
holder = takeLast();
|
|
}
|
|
|
|
if (holder != null) {
|
|
activeCount++;
|
|
if (activeCount > activePeak) {
|
|
activePeak = activeCount;
|
|
activePeakTime = System.currentTimeMillis();
|
|
}
|
|
}
|
|
} catch (InterruptedException e) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new SQLException(e.getMessage(), e);
|
|
} catch (SQLException e) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw e;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
|
|
if (holder == null) {
|
|
long waitNanos = waitNanosLocal.get();
|
|
|
|
StringBuilder buf = new StringBuilder();
|
|
buf.append("wait millis ")//
|
|
.append(waitNanos / (1000 * 1000))//
|
|
.append(", active " + activeCount)//
|
|
.append(", maxActive " + maxActive)//
|
|
;
|
|
|
|
List<JdbcSqlStatValue> sqlList = this.getDataSourceStat().getRuningSqlList();
|
|
for (int i = 0; i < sqlList.size(); ++i) {
|
|
if (i != 0) {
|
|
buf.append('\n');
|
|
} else {
|
|
buf.append(", ");
|
|
}
|
|
JdbcSqlStatValue sql = sqlList.get(i);
|
|
buf.append("runningSqlCount ");
|
|
buf.append(sql.getRunningCount());
|
|
buf.append(" : ");
|
|
buf.append(sql.getSql());
|
|
}
|
|
|
|
String errorMessage = buf.toString();
|
|
|
|
if (this.createError != null) {
|
|
throw new GetConnectionTimeoutException(errorMessage, createError);
|
|
} else {
|
|
throw new GetConnectionTimeoutException(errorMessage);
|
|
}
|
|
}
|
|
|
|
holder.incrementUseCount();
|
|
|
|
DruidPooledConnection poolalbeConnection = new DruidPooledConnection(holder);
|
|
return poolalbeConnection;
|
|
}
|
|
|
|
public void handleConnectionException(DruidPooledConnection pooledConnection, Throwable t) throws SQLException {
|
|
final DruidConnectionHolder holder = pooledConnection.getConnectionHolder();
|
|
|
|
errorCount.incrementAndGet();
|
|
lastError = t;
|
|
lastErrorTimeMillis = System.currentTimeMillis();
|
|
|
|
if (t instanceof SQLException) {
|
|
SQLException sqlEx = (SQLException) t;
|
|
|
|
// broadcastConnectionError
|
|
ConnectionEvent event = new ConnectionEvent(pooledConnection, sqlEx);
|
|
for (ConnectionEventListener eventListener : holder.getConnectionEventListeners()) {
|
|
eventListener.connectionErrorOccurred(event);
|
|
}
|
|
|
|
// exceptionSorter.isExceptionFatal
|
|
if (exceptionSorter != null && exceptionSorter.isExceptionFatal(sqlEx)) {
|
|
if (pooledConnection.isTraceEnable()) {
|
|
synchronized (activeConnections) {
|
|
if (pooledConnection.isTraceEnable()) {
|
|
activeConnections.remove(pooledConnection);
|
|
pooledConnection.setTraceEnable(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
boolean requireDiscard = false;
|
|
synchronized (pooledConnection) {
|
|
if ((!pooledConnection.isClosed()) || !pooledConnection.isDisable()) {
|
|
holder.setDiscard(true);
|
|
pooledConnection.disable(t);
|
|
requireDiscard = true;
|
|
}
|
|
}
|
|
|
|
if (requireDiscard) {
|
|
this.discardConnection(holder.getConnection());
|
|
holder.setDiscard(true);
|
|
}
|
|
|
|
LOG.error("discard connection", sqlEx);
|
|
}
|
|
|
|
throw sqlEx;
|
|
} else {
|
|
throw new SQLException("Error", t);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 回收连接
|
|
*/
|
|
protected void recycle(DruidPooledConnection pooledConnection) throws SQLException {
|
|
final DruidConnectionHolder holder = pooledConnection.getConnectionHolder();
|
|
|
|
if (holder == null) {
|
|
LOG.warn("connectionHolder is null");
|
|
return;
|
|
}
|
|
|
|
if (logDifferentThread //
|
|
&& (!isAsyncCloseConnectionEnable()) //
|
|
&& pooledConnection.getOwnerThread() != Thread.currentThread()//
|
|
) {
|
|
LOG.warn("get/close not same thread");
|
|
}
|
|
|
|
final Connection physicalConnection = holder.getConnection();
|
|
|
|
if (pooledConnection.isTraceEnable()) {
|
|
synchronized (activeConnections) {
|
|
if (pooledConnection.isTraceEnable()) {
|
|
Object oldInfo = activeConnections.remove(pooledConnection);
|
|
if (oldInfo == null) {
|
|
if (LOG.isWarnEnabled()) {
|
|
LOG.warn("remove abandonded failed. activeConnections.size " + activeConnections.size());
|
|
}
|
|
}
|
|
pooledConnection.setTraceEnable(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
final boolean isAutoCommit = holder.isUnderlyingAutoCommit();
|
|
final boolean isReadOnly = holder.isUnderlyingReadOnly();
|
|
final boolean testOnReturn = this.isTestOnReturn();
|
|
|
|
try {
|
|
// check need to rollback?
|
|
if ((!isAutoCommit) && (!isReadOnly)) {
|
|
pooledConnection.rollback();
|
|
}
|
|
|
|
// reset holder, restore default settings, clear warnings
|
|
boolean isSameThread = pooledConnection.getOwnerThread() == Thread.currentThread();
|
|
if (!isSameThread) {
|
|
synchronized (pooledConnection) {
|
|
holder.reset();
|
|
}
|
|
} else {
|
|
holder.reset();
|
|
}
|
|
|
|
if (holder.isDiscard()) {
|
|
return;
|
|
}
|
|
|
|
if (testOnReturn) {
|
|
boolean validate = testConnectionInternal(physicalConnection);
|
|
if (!validate) {
|
|
JdbcUtils.close(physicalConnection);
|
|
|
|
destroyCount.incrementAndGet();
|
|
|
|
lock.lock();
|
|
try {
|
|
activeCount--;
|
|
closeCount++;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!enable) {
|
|
discardConnection(holder.getConnection());
|
|
return;
|
|
}
|
|
|
|
final long lastActiveTimeMillis = System.currentTimeMillis();
|
|
lock.lockInterruptibly();
|
|
try {
|
|
activeCount--;
|
|
closeCount++;
|
|
|
|
putLast(holder, lastActiveTimeMillis);
|
|
recycleCount++;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
} catch (Throwable e) {
|
|
holder.clearStatementCache();
|
|
|
|
if (!holder.isDiscard()) {
|
|
this.discardConnection(physicalConnection);
|
|
holder.setDiscard(true);
|
|
}
|
|
|
|
LOG.error("recyle error", e);
|
|
recycleErrorCount.incrementAndGet();
|
|
}
|
|
}
|
|
|
|
public long getRecycleErrorCount() {
|
|
return recycleErrorCount.get();
|
|
}
|
|
|
|
public void clearStatementCache() throws SQLException {
|
|
lock.lock();
|
|
try {
|
|
for (int i = 0; i < poolingCount; ++i) {
|
|
DruidConnectionHolder conn = connections[i];
|
|
conn.getStatementPool().clear();
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* close datasource
|
|
*/
|
|
public void close() {
|
|
lock.lock();
|
|
try {
|
|
if (this.closed) {
|
|
return;
|
|
}
|
|
|
|
if (!this.inited) {
|
|
return;
|
|
}
|
|
|
|
if (logStatsThread != null) {
|
|
logStatsThread.interrupt();
|
|
}
|
|
|
|
if (createConnectionThread != null) {
|
|
createConnectionThread.interrupt();
|
|
}
|
|
|
|
if (destroyConnectionThread != null) {
|
|
destroyConnectionThread.interrupt();
|
|
}
|
|
|
|
if (destroySchedulerFuture != null) {
|
|
destroySchedulerFuture.cancel(true);
|
|
}
|
|
|
|
for (int i = 0; i < poolingCount; ++i) {
|
|
try {
|
|
DruidConnectionHolder connHolder = connections[i];
|
|
|
|
for (PreparedStatementHolder stmtHolder : connHolder.getStatementPool().getMap().values()) {
|
|
connHolder.getStatementPool().closeRemovedStatement(stmtHolder);
|
|
}
|
|
connHolder.getStatementPool().getMap().clear();
|
|
|
|
Connection physicalConnection = connHolder.getConnection();
|
|
physicalConnection.close();
|
|
connections[i] = null;
|
|
destroyCount.incrementAndGet();
|
|
} catch (Exception ex) {
|
|
LOG.warn("close connection error", ex);
|
|
}
|
|
}
|
|
poolingCount = 0;
|
|
unregisterMbean();
|
|
|
|
enable = false;
|
|
notEmpty.signalAll();
|
|
notEmptySignalCount++;
|
|
|
|
this.closed = true;
|
|
this.closeTimeMillis = System.currentTimeMillis();
|
|
|
|
for (Filter filter : filters) {
|
|
filter.destroy();
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
|
|
if (LOG.isInfoEnabled()) {
|
|
LOG.info("{dataSource-" + this.getID() + "} closed");
|
|
}
|
|
}
|
|
|
|
public void registerMbean() {
|
|
if (!mbeanRegistered) {
|
|
AccessController.doPrivileged(new PrivilegedAction<Object>() {
|
|
|
|
@Override
|
|
public Object run() {
|
|
ObjectName objectName = DruidDataSourceStatManager.addDataSource(DruidDataSource.this,
|
|
DruidDataSource.this.name);
|
|
|
|
DruidDataSource.this.setObjectName(objectName);
|
|
DruidDataSource.this.mbeanRegistered = true;
|
|
|
|
return null;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
public void unregisterMbean() {
|
|
if (mbeanRegistered) {
|
|
AccessController.doPrivileged(new PrivilegedAction<Object>() {
|
|
|
|
@Override
|
|
public Object run() {
|
|
DruidDataSourceStatManager.removeDataSource(DruidDataSource.this);
|
|
DruidDataSource.this.mbeanRegistered = false;
|
|
return null;
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
public boolean isMbeanRegistered() {
|
|
return mbeanRegistered;
|
|
}
|
|
|
|
void putLast(DruidConnectionHolder e, long lastActiveTimeMillis) {
|
|
e.setLastActiveTimeMillis(lastActiveTimeMillis);
|
|
connections[poolingCount] = e;
|
|
incrementPoolingCount();
|
|
|
|
if (poolingCount > poolingPeak) {
|
|
poolingPeak = poolingCount;
|
|
poolingPeakTime = lastActiveTimeMillis;
|
|
}
|
|
|
|
notEmpty.signal();
|
|
notEmptySignalCount++;
|
|
}
|
|
|
|
DruidConnectionHolder takeLast() throws InterruptedException, SQLException {
|
|
try {
|
|
while (poolingCount == 0) {
|
|
emptySignal(); // send signal to CreateThread create connection
|
|
notEmptyWaitThreadCount++;
|
|
if (notEmptyWaitThreadCount > notEmptyWaitThreadPeak) {
|
|
notEmptyWaitThreadPeak = notEmptyWaitThreadCount;
|
|
}
|
|
try {
|
|
notEmpty.await(); // signal by recycle or creator
|
|
} finally {
|
|
notEmptyWaitThreadCount--;
|
|
}
|
|
notEmptyWaitCount++;
|
|
|
|
if (!enable) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new DataSourceDisableException();
|
|
}
|
|
}
|
|
} catch (InterruptedException ie) {
|
|
notEmpty.signal(); // propagate to non-interrupted thread
|
|
notEmptySignalCount++;
|
|
throw ie;
|
|
}
|
|
|
|
decrementPoolingCount();
|
|
DruidConnectionHolder last = connections[poolingCount];
|
|
connections[poolingCount] = null;
|
|
|
|
return last;
|
|
}
|
|
|
|
private DruidConnectionHolder pollLast(long nanos) throws InterruptedException, SQLException {
|
|
long estimate = nanos;
|
|
|
|
for (;;) {
|
|
if (poolingCount == 0) {
|
|
emptySignal(); // send signal to CreateThread create connection
|
|
|
|
if (estimate <= 0) {
|
|
waitNanosLocal.set(nanos - estimate);
|
|
return null;
|
|
}
|
|
|
|
notEmptyWaitThreadCount++;
|
|
if (notEmptyWaitThreadCount > notEmptyWaitThreadPeak) {
|
|
notEmptyWaitThreadPeak = notEmptyWaitThreadCount;
|
|
}
|
|
|
|
try {
|
|
long startEstimate = estimate;
|
|
estimate = notEmpty.awaitNanos(estimate); // signal by
|
|
// recycle or
|
|
// creator
|
|
notEmptyWaitCount++;
|
|
notEmptyWaitNanos += (startEstimate - estimate);
|
|
|
|
if (!enable) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new DataSourceDisableException();
|
|
}
|
|
} catch (InterruptedException ie) {
|
|
notEmpty.signal(); // propagate to non-interrupted thread
|
|
notEmptySignalCount++;
|
|
throw ie;
|
|
} finally {
|
|
notEmptyWaitThreadCount--;
|
|
}
|
|
|
|
if (poolingCount == 0) {
|
|
if (estimate > 0) {
|
|
continue;
|
|
}
|
|
|
|
waitNanosLocal.set(nanos - estimate);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
decrementPoolingCount();
|
|
DruidConnectionHolder last = connections[poolingCount];
|
|
connections[poolingCount] = null;
|
|
|
|
return last;
|
|
}
|
|
}
|
|
|
|
private final void decrementPoolingCount() {
|
|
poolingCount--;
|
|
}
|
|
|
|
private final void incrementPoolingCount() {
|
|
poolingCount++;
|
|
}
|
|
|
|
@Override
|
|
public Connection getConnection(String username, String password) throws SQLException {
|
|
if (!StringUtils.equals(username, this.username)) {
|
|
throw new UnsupportedOperationException("Not supported by DruidDataSource");
|
|
}
|
|
|
|
if (!StringUtils.equals(password, this.password)) {
|
|
throw new UnsupportedOperationException("Not supported by DruidDataSource");
|
|
}
|
|
|
|
return getConnection();
|
|
}
|
|
|
|
public long getCreateCount() {
|
|
return createCount.get();
|
|
}
|
|
|
|
public long getDestroyCount() {
|
|
return destroyCount.get();
|
|
}
|
|
|
|
public long getConnectCount() {
|
|
lock.lock();
|
|
try {
|
|
return connectCount;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public long getCloseCount() {
|
|
return closeCount;
|
|
}
|
|
|
|
public long getConnectErrorCount() {
|
|
return connectErrorCount.get();
|
|
}
|
|
|
|
@Override
|
|
public int getPoolingCount() {
|
|
lock.lock();
|
|
try {
|
|
return poolingCount;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public int getPoolingPeak() {
|
|
lock.lock();
|
|
try {
|
|
return poolingPeak;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public Date getPoolingPeakTime() {
|
|
if (poolingPeakTime <= 0) {
|
|
return null;
|
|
}
|
|
|
|
return new Date(poolingPeakTime);
|
|
}
|
|
|
|
public long getRecycleCount() {
|
|
return recycleCount;
|
|
}
|
|
|
|
public int getActiveCount() {
|
|
lock.lock();
|
|
try {
|
|
return activeCount;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public void logStats() {
|
|
final DruidDataSourceStatLogger statLogger = this.statLogger;
|
|
if (statLogger == null) {
|
|
return;
|
|
}
|
|
|
|
DruidDataSourceStatValue statValue = getStatValueAndReset();
|
|
|
|
statLogger.log(statValue);
|
|
}
|
|
|
|
public DruidDataSourceStatValue getStatValueAndReset() {
|
|
DruidDataSourceStatValue value = new DruidDataSourceStatValue();
|
|
|
|
lock.lock();
|
|
try {
|
|
value.setPoolingCount(this.poolingCount);
|
|
value.setPoolingPeak(this.poolingPeak);
|
|
value.setPoolingPeakTime(this.poolingPeakTime);
|
|
|
|
value.setActiveCount(this.activeCount);
|
|
value.setActivePeak(this.activePeak);
|
|
value.setActivePeakTime(this.activePeakTime);
|
|
|
|
value.setConnectCount(this.connectCount);
|
|
value.setCloseCount(this.closeCount);
|
|
value.setWaitThreadCount(lock.getWaitQueueLength(notEmpty));
|
|
value.setNotEmptyWaitCount(this.notEmptyWaitCount);
|
|
value.setNotEmptyWaitNanos(this.notEmptyWaitNanos);
|
|
|
|
// reset
|
|
this.poolingPeak = 0;
|
|
this.poolingPeakTime = 0;
|
|
this.activePeak = 0;
|
|
this.activePeakTime = 0;
|
|
this.connectCount = 0;
|
|
this.closeCount = 0;
|
|
|
|
this.notEmptyWaitCount = 0;
|
|
this.notEmptyWaitNanos = 0;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
|
|
value.setName(this.getName());
|
|
value.setDbType(this.getDbType());
|
|
value.setDriverClassName(this.getDriverClassName());
|
|
|
|
value.setUrl(this.getUrl());
|
|
value.setUserName(this.getUsername());
|
|
value.setFilterClassNames(this.getFilterClassNames());
|
|
|
|
value.setInitialSize(this.getInitialSize());
|
|
value.setMinIdle(this.getMinIdle());
|
|
value.setMaxActive(this.getMaxActive());
|
|
|
|
value.setQueryTimeout(this.getQueryTimeout());
|
|
value.setTransactionQueryTimeout(this.getTransactionQueryTimeout());
|
|
value.setLoginTimeout(this.getLoginTimeout());
|
|
value.setValidConnectionCheckerClassName(this.getValidConnectionCheckerClassName());
|
|
value.setExceptionSorterClassName(this.getExceptionSorterClassName());
|
|
|
|
value.setTestOnBorrow(this.isTestOnBorrow());
|
|
value.setTestOnReturn(this.isTestOnReturn());
|
|
value.setTestWhileIdle(this.isTestWhileIdle());
|
|
|
|
value.setDefaultAutoCommit(this.isDefaultAutoCommit());
|
|
|
|
if (defaultReadOnly != null) {
|
|
value.setDefaultReadOnly(defaultReadOnly);
|
|
}
|
|
value.setDefaultTransactionIsolation(this.getDefaultTransactionIsolation());
|
|
|
|
value.setLogicConnectErrorCount(connectErrorCount.getAndSet(0));
|
|
|
|
value.setPhysicalConnectCount(createCount.getAndSet(0));
|
|
value.setPhysicalCloseCount(destroyCount.getAndSet(0));
|
|
value.setPhysicalConnectErrorCount(createErrorCount.getAndSet(0));
|
|
|
|
value.setExecuteCount(this.executeCount.getAndSet(0));
|
|
value.setErrorCount(errorCount.getAndSet(0));
|
|
value.setCommitCount(commitCount.getAndSet(0));
|
|
value.setRollbackCount(rollbackCount.getAndSet(0));
|
|
|
|
value.setPstmtCacheHitCount(cachedPreparedStatementHitCount.getAndSet(0));
|
|
value.setPstmtCacheMissCount(cachedPreparedStatementMissCount.getAndSet(0));
|
|
|
|
value.setStartTransactionCount(startTransactionCount.getAndSet(0));
|
|
value.setTransactionHistogram(this.getTransactionHistogram().toArrayAndReset());
|
|
|
|
value.setConnectionHoldTimeHistogram(this.getDataSourceStat().getConnectionHoldHistogram().toArrayAndReset());
|
|
value.removeAbandoned = this.isRemoveAbandoned();
|
|
value.setClobOpenCount(this.getDataSourceStat().getClobOpenCountAndReset());
|
|
value.setBlobOpenCount(this.getDataSourceStat().getBlobOpenCountAndReset());
|
|
|
|
value.setSqlSkipCount(this.getDataSourceStat().getSkipSqlCountAndReset());
|
|
value.setSqlList(this.getDataSourceStat().getSqlStatMapAndReset());
|
|
|
|
return value;
|
|
}
|
|
|
|
public long getRemoveAbandonedCount() {
|
|
return removeAbandonedCount;
|
|
}
|
|
|
|
protected void put(Connection connection) {
|
|
DruidConnectionHolder holder = null;
|
|
try {
|
|
holder = new DruidConnectionHolder(DruidDataSource.this, connection);
|
|
} catch (SQLException ex) {
|
|
lock.lock();
|
|
try {
|
|
createTaskCount--;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
LOG.error("create connection holder error", ex);
|
|
return;
|
|
}
|
|
|
|
lock.lock();
|
|
try {
|
|
connections[poolingCount] = holder;
|
|
incrementPoolingCount();
|
|
|
|
if (poolingCount > poolingPeak) {
|
|
poolingPeak = poolingCount;
|
|
poolingPeakTime = System.currentTimeMillis();
|
|
}
|
|
|
|
notEmpty.signal();
|
|
notEmptySignalCount++;
|
|
|
|
if (createScheduler != null) {
|
|
createTaskCount--;
|
|
|
|
if (poolingCount + createTaskCount < notEmptyWaitThreadCount //
|
|
&& activeCount + poolingCount + createTaskCount < maxActive) {
|
|
emptySignal();
|
|
}
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public class CreateConnectionTask implements Runnable {
|
|
|
|
private int errorCount = 0;
|
|
|
|
@Override
|
|
public void run() {
|
|
for (;;) {
|
|
// addLast
|
|
try {
|
|
lock.lockInterruptibly();
|
|
} catch (InterruptedException e2) {
|
|
break;
|
|
}
|
|
|
|
try {
|
|
// 必须存在线程等待，才创建连接
|
|
if (poolingCount >= notEmptyWaitThreadCount) {
|
|
createTaskCount--;
|
|
return;
|
|
}
|
|
|
|
// 防止创建超过maxActive数量的连接
|
|
if (activeCount + poolingCount >= maxActive) {
|
|
createTaskCount--;
|
|
return;
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
|
|
Connection connection = null;
|
|
|
|
try {
|
|
connection = createPhysicalConnection();
|
|
} catch (SQLException e) {
|
|
LOG.error("create connection error, url: " + jdbcUrl, e);
|
|
|
|
errorCount++;
|
|
|
|
if (errorCount > connectionErrorRetryAttempts && timeBetweenConnectErrorMillis > 0) {
|
|
if (breakAfterAcquireFailure) {
|
|
lock.lock();
|
|
try {
|
|
createTaskCount--;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
return;
|
|
}
|
|
|
|
createScheduler.schedule(this, timeBetweenConnectErrorMillis, TimeUnit.MILLISECONDS);
|
|
return;
|
|
}
|
|
} catch (RuntimeException e) {
|
|
LOG.error("create connection error", e);
|
|
continue;
|
|
} catch (Error e) {
|
|
lock.lock();
|
|
try {
|
|
createTaskCount--;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
LOG.error("create connection error", e);
|
|
break;
|
|
}
|
|
|
|
if (connection == null) {
|
|
continue;
|
|
}
|
|
|
|
put(connection);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
public class CreateConnectionThread extends Thread {
|
|
|
|
public CreateConnectionThread(String name){
|
|
super(name);
|
|
this.setDaemon(true);
|
|
}
|
|
|
|
public void run() {
|
|
initedLatch.countDown();
|
|
|
|
int errorCount = 0;
|
|
for (;;) {
|
|
// addLast
|
|
try {
|
|
lock.lockInterruptibly();
|
|
} catch (InterruptedException e2) {
|
|
break;
|
|
}
|
|
|
|
try {
|
|
// 必须存在线程等待，才创建连接
|
|
if (poolingCount >= notEmptyWaitThreadCount) {
|
|
empty.await();
|
|
}
|
|
|
|
// 防止创建超过maxActive数量的连接
|
|
if (activeCount + poolingCount >= maxActive) {
|
|
empty.await();
|
|
continue;
|
|
}
|
|
|
|
} catch (InterruptedException e) {
|
|
lastCreateError = e;
|
|
lastErrorTimeMillis = System.currentTimeMillis();
|
|
break;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
|
|
Connection connection = null;
|
|
|
|
try {
|
|
connection = createPhysicalConnection();
|
|
} catch (SQLException e) {
|
|
LOG.error("create connection error, url: " + jdbcUrl, e);
|
|
|
|
errorCount++;
|
|
|
|
if (errorCount > connectionErrorRetryAttempts && timeBetweenConnectErrorMillis > 0) {
|
|
if (breakAfterAcquireFailure) {
|
|
break;
|
|
}
|
|
|
|
try {
|
|
Thread.sleep(timeBetweenConnectErrorMillis);
|
|
} catch (InterruptedException interruptEx) {
|
|
break;
|
|
}
|
|
}
|
|
} catch (RuntimeException e) {
|
|
LOG.error("create connection error", e);
|
|
continue;
|
|
} catch (Error e) {
|
|
LOG.error("create connection error", e);
|
|
break;
|
|
}
|
|
|
|
if (connection == null) {
|
|
continue;
|
|
}
|
|
|
|
put(connection);
|
|
|
|
errorCount = 0; // reset errorCount
|
|
}
|
|
}
|
|
}
|
|
|
|
public class DestroyConnectionThread extends Thread {
|
|
|
|
public DestroyConnectionThread(String name){
|
|
super(name);
|
|
this.setDaemon(true);
|
|
}
|
|
|
|
public void run() {
|
|
initedLatch.countDown();
|
|
|
|
for (;;) {
|
|
// 从前面开始删除
|
|
try {
|
|
if (closed) {
|
|
break;
|
|
}
|
|
|
|
if (timeBetweenEvictionRunsMillis > 0) {
|
|
Thread.sleep(timeBetweenEvictionRunsMillis);
|
|
} else {
|
|
Thread.sleep(1000); //
|
|
}
|
|
|
|
if (Thread.interrupted()) {
|
|
break;
|
|
}
|
|
|
|
destoryTask.run();
|
|
} catch (InterruptedException e) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
public class DestroyTask implements Runnable {
|
|
|
|
@Override
|
|
public void run() {
|
|
shrink(true);
|
|
|
|
if (isRemoveAbandoned()) {
|
|
removeAbandoned();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
public class LogStatsThread extends Thread {
|
|
|
|
public LogStatsThread(String name){
|
|
super(name);
|
|
this.setDaemon(true);
|
|
}
|
|
|
|
public void run() {
|
|
try {
|
|
for (;;) {
|
|
try {
|
|
logStats();
|
|
} catch (Exception e) {
|
|
LOG.error("logStats error", e);
|
|
}
|
|
|
|
Thread.sleep(timeBetweenLogStatsMillis);
|
|
}
|
|
} catch (InterruptedException e) {
|
|
// skip
|
|
}
|
|
}
|
|
}
|
|
|
|
public int removeAbandoned() {
|
|
int removeCount = 0;
|
|
|
|
long currrentNanos = System.nanoTime();
|
|
|
|
List<DruidPooledConnection> abandonedList = new ArrayList<DruidPooledConnection>();
|
|
|
|
synchronized (activeConnections) {
|
|
Iterator<DruidPooledConnection> iter = activeConnections.keySet().iterator();
|
|
|
|
for (; iter.hasNext();) {
|
|
DruidPooledConnection pooledConnection = iter.next();
|
|
|
|
if (pooledConnection.isRunning()) {
|
|
continue;
|
|
}
|
|
|
|
long timeMillis = (currrentNanos - pooledConnection.getConnectedTimeNano()) / (1000 * 1000);
|
|
|
|
if (timeMillis >= removeAbandonedTimeoutMillis) {
|
|
iter.remove();
|
|
pooledConnection.setTraceEnable(false);
|
|
abandonedList.add(pooledConnection);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (abandonedList.size() > 0) {
|
|
for (DruidPooledConnection pooledConnection : abandonedList) {
|
|
synchronized (pooledConnection) {
|
|
if (pooledConnection.isDisable()) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
JdbcUtils.close(pooledConnection);
|
|
pooledConnection.abandond();
|
|
removeAbandonedCount++;
|
|
removeCount++;
|
|
|
|
if (isLogAbandoned()) {
|
|
StringBuilder buf = new StringBuilder();
|
|
buf.append("abandon connection, open stackTrace\n");
|
|
|
|
StackTraceElement[] trace = pooledConnection.getConnectStackTrace();
|
|
for (int i = 0; i < trace.length; i++) {
|
|
buf.append("\tat ");
|
|
buf.append(trace[i].toString());
|
|
buf.append("\n");
|
|
}
|
|
|
|
LOG.error(buf.toString());
|
|
}
|
|
}
|
|
}
|
|
|
|
return removeCount;
|
|
}
|
|
|
|
/** Instance key */
|
|
protected String instanceKey = null;
|
|
|
|
public Reference getReference() throws NamingException {
|
|
final String className = getClass().getName();
|
|
final String factoryName = className + "Factory"; // XXX: not robust
|
|
Reference ref = new Reference(className, factoryName, null);
|
|
ref.add(new StringRefAddr("instanceKey", instanceKey));
|
|
ref.add(new StringRefAddr("url", this.getUrl()));
|
|
ref.add(new StringRefAddr("username", this.getUsername()));
|
|
ref.add(new StringRefAddr("password", this.getPassword()));
|
|
// TODO ADD OTHER PROPERTIES
|
|
return ref;
|
|
}
|
|
|
|
@Override
|
|
public List<String> getFilterClassNames() {
|
|
List<String> names = new ArrayList<String>();
|
|
for (Filter filter : filters) {
|
|
names.add(filter.getClass().getName());
|
|
}
|
|
return names;
|
|
}
|
|
|
|
public int getRawDriverMajorVersion() {
|
|
int version = -1;
|
|
if (this.driver != null) {
|
|
version = driver.getMajorVersion();
|
|
}
|
|
return version;
|
|
}
|
|
|
|
public int getRawDriverMinorVersion() {
|
|
int version = -1;
|
|
if (this.driver != null) {
|
|
version = driver.getMinorVersion();
|
|
}
|
|
return version;
|
|
}
|
|
|
|
public String getProperties() {
|
|
Properties properties = new Properties();
|
|
properties.putAll(connectProperties);
|
|
if (properties.containsKey("password")) {
|
|
properties.put("password", "******");
|
|
}
|
|
return properties.toString();
|
|
}
|
|
|
|
@Override
|
|
public void shrink() {
|
|
shrink(false);
|
|
}
|
|
|
|
public void shrink(boolean checkTime) {
|
|
final List<DruidConnectionHolder> evictList = new ArrayList<DruidConnectionHolder>();
|
|
try {
|
|
lock.lockInterruptibly();
|
|
} catch (InterruptedException e) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
final int checkCount = poolingCount - minIdle;
|
|
final long currentTimeMillis = System.currentTimeMillis();
|
|
for (int i = 0; i < checkCount; ++i) {
|
|
DruidConnectionHolder connection = connections[i];
|
|
|
|
if (checkTime) {
|
|
long idleMillis = currentTimeMillis - connection.getLastActiveTimeMillis();
|
|
if (idleMillis >= minEvictableIdleTimeMillis) {
|
|
evictList.add(connection);
|
|
} else {
|
|
break;
|
|
}
|
|
} else {
|
|
evictList.add(connection);
|
|
}
|
|
}
|
|
|
|
int removeCount = evictList.size();
|
|
if (removeCount > 0) {
|
|
System.arraycopy(connections, removeCount, connections, 0, poolingCount - removeCount);
|
|
Arrays.fill(connections, poolingCount - removeCount, poolingCount, null);
|
|
poolingCount -= removeCount;
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
|
|
for (DruidConnectionHolder item : evictList) {
|
|
Connection connection = item.getConnection();
|
|
JdbcUtils.close(connection);
|
|
destroyCount.incrementAndGet();
|
|
}
|
|
}
|
|
|
|
public int getWaitThreadCount() {
|
|
lock.lock();
|
|
try {
|
|
return lock.getWaitQueueLength(notEmpty);
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public long getNotEmptyWaitCount() {
|
|
return notEmptyWaitCount;
|
|
}
|
|
|
|
public int getNotEmptyWaitThreadCount() {
|
|
lock.lock();
|
|
try {
|
|
return notEmptyWaitThreadCount;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public int getNotEmptyWaitThreadPeak() {
|
|
lock.lock();
|
|
try {
|
|
return notEmptyWaitThreadPeak;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public long getNotEmptySignalCount() {
|
|
return notEmptySignalCount;
|
|
}
|
|
|
|
public long getNotEmptyWaitMillis() {
|
|
return notEmptyWaitNanos / (1000 * 1000);
|
|
}
|
|
|
|
public long getNotEmptyWaitNanos() {
|
|
return notEmptyWaitNanos;
|
|
}
|
|
|
|
public int getLockQueueLength() {
|
|
return lock.getQueueLength();
|
|
}
|
|
|
|
public int getActivePeak() {
|
|
return activePeak;
|
|
}
|
|
|
|
public Date getActivePeakTime() {
|
|
if (activePeakTime <= 0) {
|
|
return null;
|
|
}
|
|
|
|
return new Date(activePeakTime);
|
|
}
|
|
|
|
public String dump() {
|
|
lock.lock();
|
|
try {
|
|
return this.toString();
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
public long getErrorCount() {
|
|
return this.errorCount.get();
|
|
}
|
|
|
|
public String toString() {
|
|
StringBuilder buf = new StringBuilder();
|
|
|
|
buf.append("{");
|
|
|
|
buf.append("\n\tCreateTime:\"");
|
|
buf.append(Utils.toString(getCreatedTime()));
|
|
buf.append("\"");
|
|
|
|
buf.append(",\n\tActiveCount:");
|
|
buf.append(getActiveCount());
|
|
|
|
buf.append(",\n\tPoolingCount:");
|
|
buf.append(getPoolingCount());
|
|
|
|
buf.append(",\n\tCreateCount:");
|
|
buf.append(getCreateCount());
|
|
|
|
buf.append(",\n\tDestroyCount:");
|
|
buf.append(getDestroyCount());
|
|
|
|
buf.append(",\n\tCloseCount:");
|
|
buf.append(getCloseCount());
|
|
|
|
buf.append(",\n\tConnectCount:");
|
|
buf.append(getConnectCount());
|
|
|
|
buf.append(",\n\tConnections:[");
|
|
for (int i = 0; i < poolingCount; ++i) {
|
|
DruidConnectionHolder conn = connections[i];
|
|
if (conn != null) {
|
|
if (i != 0) {
|
|
buf.append(",");
|
|
}
|
|
buf.append("\n\t\t");
|
|
buf.append(conn.toString());
|
|
}
|
|
}
|
|
buf.append("\n\t]");
|
|
|
|
buf.append("\n}");
|
|
|
|
if (this.isPoolPreparedStatements()) {
|
|
buf.append("\n\n[");
|
|
for (int i = 0; i < poolingCount; ++i) {
|
|
DruidConnectionHolder conn = connections[i];
|
|
if (conn != null) {
|
|
if (i != 0) {
|
|
buf.append(",");
|
|
}
|
|
buf.append("\n\t{\n\tID:");
|
|
buf.append(System.identityHashCode(conn.getConnection()));
|
|
PreparedStatementPool pool = conn.getStatementPool();
|
|
|
|
buf.append(", \n\tpoolStatements:[");
|
|
|
|
int entryIndex = 0;
|
|
try {
|
|
for (Map.Entry<PreparedStatementKey, PreparedStatementHolder> entry : pool.getMap().entrySet()) {
|
|
if (entryIndex != 0) {
|
|
buf.append(",");
|
|
}
|
|
buf.append("\n\t\t{hitCount:");
|
|
buf.append(entry.getValue().getHitCount());
|
|
buf.append(",sql:\"");
|
|
buf.append(entry.getKey().getSql());
|
|
buf.append("\"");
|
|
buf.append("\t}");
|
|
|
|
entryIndex++;
|
|
}
|
|
} catch (ConcurrentModificationException e) {
|
|
// skip ..
|
|
}
|
|
|
|
buf.append("\n\t\t]");
|
|
|
|
buf.append("\n\t}");
|
|
}
|
|
}
|
|
buf.append("\n]");
|
|
}
|
|
|
|
return buf.toString();
|
|
}
|
|
|
|
public List<Map<String, Object>> getPoolingConnectionInfo() {
|
|
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
|
|
lock.lock();
|
|
try {
|
|
for (int i = 0; i < poolingCount; ++i) {
|
|
DruidConnectionHolder connHolder = connections[i];
|
|
Connection conn = connHolder.getConnection();
|
|
|
|
Map<String, Object> map = new LinkedHashMap<String, Object>();
|
|
map.put("id", System.identityHashCode(conn));
|
|
map.put("useCount", connHolder.getUseCount());
|
|
if (connHolder.getLastActiveTimeMillis() > 0) {
|
|
map.put("lastActiveTime", new Date(connHolder.getLastActiveTimeMillis()));
|
|
}
|
|
map.put("connectTime", new Date(connHolder.getTimeMillis()));
|
|
map.put("holdability", connHolder.getUnderlyingHoldability());
|
|
map.put("transactionIsolation", connHolder.getUnderlyingTransactionIsolation());
|
|
map.put("autoCommit", connHolder.isUnderlyingAutoCommit());
|
|
map.put("readoOnly", connHolder.isUnderlyingReadOnly());
|
|
|
|
if (connHolder.isPoolPreparedStatements()) {
|
|
List<Map<String, Object>> stmtCache = new ArrayList<Map<String, Object>>();
|
|
PreparedStatementPool stmtPool = connHolder.getStatementPool();
|
|
for (PreparedStatementHolder stmtHolder : stmtPool.getMap().values()) {
|
|
Map<String, Object> stmtInfo = new LinkedHashMap<String, Object>();
|
|
|
|
stmtInfo.put("sql", stmtHolder.getKey().getSql());
|
|
stmtInfo.put("defaultRowPretch", stmtHolder.getDefaultRowPrefetch());
|
|
stmtInfo.put("rowPrefetch", stmtHolder.getRowPrefetch());
|
|
stmtInfo.put("hitCount", stmtHolder.getHitCount());
|
|
|
|
stmtCache.add(stmtInfo);
|
|
}
|
|
|
|
map.put("pscache", stmtCache);
|
|
}
|
|
|
|
list.add(map);
|
|
}
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
return list;
|
|
}
|
|
|
|
public void logTransaction(TransactionInfo info) {
|
|
long transactionMillis = info.getEndTimeMillis() - info.getStartTimeMillis();
|
|
if (transactionThresholdMillis > 0 && transactionMillis > transactionThresholdMillis) {
|
|
StringBuilder buf = new StringBuilder();
|
|
buf.append("long time transaction, take ");
|
|
buf.append(transactionMillis);
|
|
buf.append(" ms : ");
|
|
for (String sql : info.getSqlList()) {
|
|
buf.append(sql);
|
|
buf.append(";");
|
|
}
|
|
LOG.error(buf.toString(), new TransactionTimeoutException());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getVersion() {
|
|
return VERSION.getVersionNumber();
|
|
}
|
|
|
|
@Override
|
|
public JdbcDataSourceStat getDataSourceStat() {
|
|
return dataSourceStat;
|
|
}
|
|
|
|
public Object clone() throws CloneNotSupportedException {
|
|
return cloneDruidDataSource();
|
|
}
|
|
|
|
public DruidDataSource cloneDruidDataSource() {
|
|
DruidDataSource x = new DruidDataSource();
|
|
|
|
cloneTo(x);
|
|
|
|
return x;
|
|
}
|
|
|
|
public Map<String, Object> getStatDataForMBean() {
|
|
try {
|
|
Map<String, Object> map = new HashMap<String, Object>();
|
|
|
|
// 0 - 4
|
|
map.put("Name", this.getName());
|
|
map.put("URL", this.getUrl());
|
|
map.put("CreateCount", this.getCreateCount());
|
|
map.put("DestroyCount", this.getDestroyCount());
|
|
map.put("ConnectCount", this.getConnectCount());
|
|
|
|
// 5 - 9
|
|
map.put("CloseCount", this.getCloseCount());
|
|
map.put("ActiveCount", this.getActivePeak());
|
|
map.put("PoolingCount", this.getPoolingCount());
|
|
map.put("LockQueueLength", this.getLockQueueLength());
|
|
map.put("WaitThreadCount", this.getNotEmptyWaitThreadPeak());
|
|
|
|
// 10 - 14
|
|
map.put("InitialSize", this.getInitialSize());
|
|
map.put("MaxActive", this.getMaxActive());
|
|
map.put("MinIdle", this.getMinIdle());
|
|
map.put("PoolPreparedStatements", this.isPoolPreparedStatements());
|
|
map.put("TestOnBorrow", this.isTestOnBorrow());
|
|
|
|
// 15 - 19
|
|
map.put("TestOnReturn", this.isTestOnReturn());
|
|
map.put("MinEvictableIdleTimeMillis", this.getMinEvictableIdleTimeMillis());
|
|
map.put("ConnectErrorCount", this.getConnectErrorCount());
|
|
map.put("CreateTimespanMillis", this.getCreateTimespanMillis());
|
|
map.put("DbType", this.getDbType());
|
|
|
|
// 20 - 24
|
|
map.put("ValidationQuery", this.getValidationQuery());
|
|
map.put("ValidationQueryTimeout", this.getValidationQueryTimeout());
|
|
map.put("DriverClassName", this.getDriverClassName());
|
|
map.put("Username", this.getUsername());
|
|
map.put("RemoveAbandonedCount", this.getRemoveAbandonedCount());
|
|
|
|
// 25 - 29
|
|
map.put("NotEmptyWaitCount", this.getNotEmptyWaitCount());
|
|
map.put("NotEmptyWaitNanos", this.getNotEmptyWaitNanos());
|
|
map.put("ErrorCount", this.getErrorCount());
|
|
map.put("ReusePreparedStatementCount", this.getCachedPreparedStatementHitCount());
|
|
map.put("StartTransactionCount", this.getStartTransactionCount());
|
|
|
|
// 30 - 34
|
|
map.put("CommitCount", this.getCommitCount());
|
|
map.put("RollbackCount", this.getRollbackCount());
|
|
map.put("LastError", JMXUtils.getErrorCompositeData(this.getLastError()));
|
|
map.put("LastCreateError", JMXUtils.getErrorCompositeData(this.getLastCreateError()));
|
|
map.put("PreparedStatementCacheDeleteCount", this.getCachedPreparedStatementDeleteCount());
|
|
|
|
// 35 - 39
|
|
map.put("PreparedStatementCacheAccessCount", this.getCachedPreparedStatementAccessCount());
|
|
map.put("PreparedStatementCacheMissCount", this.getCachedPreparedStatementMissCount());
|
|
map.put("PreparedStatementCacheHitCount", this.getCachedPreparedStatementHitCount());
|
|
map.put("PreparedStatementCacheCurrentCount", this.getCachedPreparedStatementCount());
|
|
map.put("Version", this.getVersion());
|
|
|
|
// 40 -
|
|
map.put("LastErrorTime", this.getLastErrorTime());
|
|
map.put("LastCreateErrorTime", this.getLastCreateErrorTime());
|
|
map.put("CreateErrorCount", this.getCreateErrorCount());
|
|
map.put("DiscardCount", this.getDiscardCount());
|
|
|
|
return map;
|
|
} catch (JMException ex) {
|
|
throw new IllegalStateException("getStatData error", ex);
|
|
}
|
|
}
|
|
|
|
public Map<String, Object> getStatData() {
|
|
final int activeCount;
|
|
final int activePeak;
|
|
final Date activePeakTime;
|
|
|
|
final int poolingCount;
|
|
final int poolingPeak;
|
|
final Date poolingPeakTime;
|
|
|
|
final long connectCount;
|
|
final long closeCount;
|
|
|
|
lock.lock();
|
|
try {
|
|
poolingCount = this.poolingCount;
|
|
poolingPeak = this.poolingPeak;
|
|
poolingPeakTime = this.getPoolingPeakTime();
|
|
|
|
activeCount = this.activeCount;
|
|
activePeak = this.activePeak;
|
|
activePeakTime = this.getActivePeakTime();
|
|
|
|
connectCount = this.connectCount;
|
|
closeCount = this.closeCount;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
|
|
|
|
dataMap.put("Identity", System.identityHashCode(this));
|
|
dataMap.put("Name", this.getName());
|
|
dataMap.put("DbType", this.getDbType());
|
|
dataMap.put("DriverClassName", this.getDriverClassName());
|
|
|
|
dataMap.put("URL", this.getUrl());
|
|
dataMap.put("UserName", this.getUsername());
|
|
dataMap.put("FilterClassNames", this.getFilterClassNames());
|
|
|
|
dataMap.put("WaitThreadCount", this.getWaitThreadCount());
|
|
dataMap.put("NotEmptyWaitCount", this.getNotEmptyWaitCount());
|
|
dataMap.put("NotEmptyWaitMillis", this.getNotEmptyWaitMillis());
|
|
|
|
dataMap.put("PoolingCount", poolingCount);
|
|
dataMap.put("PoolingPeak", poolingPeak);
|
|
dataMap.put("PoolingPeakTime", poolingPeakTime);
|
|
|
|
dataMap.put("ActiveCount", activeCount);
|
|
dataMap.put("ActivePeak", activePeak);
|
|
dataMap.put("ActivePeakTime", activePeakTime);
|
|
|
|
dataMap.put("InitialSize", this.getInitialSize());
|
|
dataMap.put("MinIdle", this.getMinIdle());
|
|
dataMap.put("MaxActive", this.getMaxActive());
|
|
|
|
dataMap.put("QueryTimeout", this.getQueryTimeout());
|
|
dataMap.put("TransactionQueryTimeout", this.getTransactionQueryTimeout());
|
|
dataMap.put("LoginTimeout", this.getLoginTimeout());
|
|
dataMap.put("ValidConnectionCheckerClassName", this.getValidConnectionCheckerClassName());
|
|
dataMap.put("ExceptionSorterClassName", this.getExceptionSorterClassName());
|
|
|
|
dataMap.put("TestOnBorrow", this.isTestOnBorrow());
|
|
dataMap.put("TestOnReturn", this.isTestOnReturn());
|
|
dataMap.put("TestWhileIdle", this.isTestWhileIdle());
|
|
|
|
dataMap.put("DefaultAutoCommit", this.isDefaultAutoCommit());
|
|
dataMap.put("DefaultReadOnly", this.getDefaultReadOnly());
|
|
dataMap.put("DefaultTransactionIsolation", this.getDefaultTransactionIsolation());
|
|
|
|
dataMap.put("LogicConnectCount", connectCount);
|
|
dataMap.put("LogicCloseCount", closeCount);
|
|
dataMap.put("LogicConnectErrorCount", this.getConnectErrorCount());
|
|
|
|
dataMap.put("PhysicalConnectCount", this.getCreateCount());
|
|
dataMap.put("PhysicalCloseCount", this.getDestroyCount());
|
|
dataMap.put("PhysicalConnectErrorCount", this.getCreateErrorCount());
|
|
|
|
dataMap.put("ExecuteCount", this.getExecuteCount());
|
|
dataMap.put("ErrorCount", this.getErrorCount());
|
|
dataMap.put("CommitCount", this.getCommitCount());
|
|
dataMap.put("RollbackCount", this.getRollbackCount());
|
|
|
|
dataMap.put("PSCacheAccessCount", this.getCachedPreparedStatementAccessCount());
|
|
dataMap.put("PSCacheHitCount", this.getCachedPreparedStatementHitCount());
|
|
dataMap.put("PSCacheMissCount", this.getCachedPreparedStatementMissCount());
|
|
|
|
dataMap.put("StartTransactionCount", this.getStartTransactionCount());
|
|
dataMap.put("TransactionHistogram", this.getTransactionHistogramValues());
|
|
|
|
dataMap.put("ConnectionHoldTimeHistogram", this.getDataSourceStat().getConnectionHoldHistogram().toArray());
|
|
dataMap.put("RemoveAbandoned", this.isRemoveAbandoned());
|
|
dataMap.put("ClobOpenCount", this.getDataSourceStat().getClobOpenCount());
|
|
dataMap.put("BlobOpenCount", this.getDataSourceStat().getBlobOpenCount());
|
|
|
|
return dataMap;
|
|
}
|
|
|
|
public JdbcSqlStat getSqlStat(int sqlId) {
|
|
return this.getDataSourceStat().getSqlStat(sqlId);
|
|
}
|
|
|
|
public JdbcSqlStat getSqlStat(long sqlId) {
|
|
return this.getDataSourceStat().getSqlStat(sqlId);
|
|
}
|
|
|
|
public Map<String, JdbcSqlStat> getSqlStatMap() {
|
|
return this.getDataSourceStat().getSqlStatMap();
|
|
}
|
|
|
|
public Map<String, Object> getWallStatMap() {
|
|
WallProviderStatValue wallStatValue = getWallStatValue(false);
|
|
|
|
if (wallStatValue != null) {
|
|
return wallStatValue.toMap();
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public WallProviderStatValue getWallStatValue(boolean reset) {
|
|
for (Filter filter : this.filters) {
|
|
if (filter instanceof WallFilter) {
|
|
WallFilter wallFilter = (WallFilter) filter;
|
|
return wallFilter.getProvider().getStatValue(reset);
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public Lock getLock() {
|
|
return lock;
|
|
}
|
|
|
|
@Override
|
|
public boolean isWrapperFor(Class<?> iface) {
|
|
for (Filter filter : this.filters) {
|
|
if (filter.isWrapperFor(iface)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (this.statLogger != null
|
|
&& (this.statLogger.getClass() == iface || DruidDataSourceStatLogger.class == iface)) {
|
|
return true;
|
|
}
|
|
|
|
return super.isWrapperFor(iface);
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
public <T> T unwrap(Class<T> iface) {
|
|
for (Filter filter : this.filters) {
|
|
if (filter.isWrapperFor(iface)) {
|
|
return (T) filter;
|
|
}
|
|
}
|
|
|
|
if (this.statLogger != null
|
|
&& (this.statLogger.getClass() == iface || DruidDataSourceStatLogger.class == iface)) {
|
|
return (T) statLogger;
|
|
}
|
|
|
|
return super.unwrap(iface);
|
|
}
|
|
|
|
public boolean isLogDifferentThread() {
|
|
return logDifferentThread;
|
|
}
|
|
|
|
public void setLogDifferentThread(boolean logDifferentThread) {
|
|
this.logDifferentThread = logDifferentThread;
|
|
}
|
|
|
|
public DruidPooledConnection tryGetConnection() throws SQLException {
|
|
if (poolingCount == 0) {
|
|
return null;
|
|
}
|
|
return getConnection();
|
|
}
|
|
|
|
@Override
|
|
public int fill() throws SQLException {
|
|
return this.fill(this.maxActive);
|
|
}
|
|
|
|
@Override
|
|
public int fill(int toCount) throws SQLException {
|
|
if (closed) {
|
|
throw new DataSourceClosedException("dataSource already closed at " + new Date(closeTimeMillis));
|
|
}
|
|
|
|
if (toCount < 0) {
|
|
throw new IllegalArgumentException("toCount can't not be less than zero");
|
|
}
|
|
|
|
init();
|
|
|
|
if (toCount > this.maxActive) {
|
|
toCount = this.maxActive;
|
|
}
|
|
|
|
int fillCount = 0;
|
|
for (;;) {
|
|
try {
|
|
lock.lockInterruptibly();
|
|
} catch (InterruptedException e) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new SQLException("interrupt", e);
|
|
}
|
|
|
|
boolean fillable = this.isFillable(toCount);
|
|
|
|
lock.unlock();
|
|
|
|
if (!fillable) {
|
|
break;
|
|
}
|
|
|
|
DruidConnectionHolder holder;
|
|
try {
|
|
Connection conn = createPhysicalConnection();
|
|
holder = new DruidConnectionHolder(this, conn);
|
|
} catch (SQLException e) {
|
|
LOG.error("fill connection error, url: " + this.jdbcUrl, e);
|
|
connectErrorCount.incrementAndGet();
|
|
throw e;
|
|
}
|
|
|
|
try {
|
|
lock.lockInterruptibly();
|
|
} catch (InterruptedException e) {
|
|
connectErrorCount.incrementAndGet();
|
|
throw new SQLException("interrupt", e);
|
|
}
|
|
|
|
try {
|
|
if (!this.isFillable(toCount)) {
|
|
JdbcUtils.close(holder.getConnection());
|
|
break;
|
|
}
|
|
this.putLast(holder, System.currentTimeMillis());
|
|
fillCount++;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
if (LOG.isInfoEnabled()) {
|
|
LOG.info("fill " + fillCount + " connections");
|
|
}
|
|
|
|
return fillCount;
|
|
}
|
|
|
|
private boolean isFillable(int toCount) {
|
|
int currentCount = this.poolingCount + this.activeCount;
|
|
if (currentCount >= toCount || currentCount >= this.maxActive) {
|
|
return false;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
public boolean isFull() {
|
|
lock.lock();
|
|
try {
|
|
return this.poolingCount + this.activeCount >= this.maxActive;
|
|
} finally {
|
|
lock.unlock();
|
|
}
|
|
}
|
|
|
|
private void emptySignal() {
|
|
if (createScheduler == null) {
|
|
empty.signal();
|
|
return;
|
|
}
|
|
|
|
if (createTaskCount >= maxCreateTaskCount) {
|
|
return;
|
|
}
|
|
|
|
if (activeCount + poolingCount + createTaskCount >= maxActive) {
|
|
return;
|
|
}
|
|
|
|
createTaskCount++;
|
|
CreateConnectionTask task = new CreateConnectionTask();
|
|
createScheduler.submit(task);
|
|
}
|
|
|
|
@Override
|
|
public ObjectName preRegister(MBeanServer server, ObjectName name) throws Exception {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public void postRegister(Boolean registrationDone) {
|
|
|
|
}
|
|
|
|
@Override
|
|
public void preDeregister() throws Exception {
|
|
|
|
}
|
|
|
|
@Override
|
|
public void postDeregister() {
|
|
|
|
}
|
|
}
|