content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.druid.benckmark.pool;
  
  import com.alibaba.druid.TestUtil;
  import com.alibaba.druid.mock.MockDriver;
  import com.alibaba.druid.pool.DruidDataSource;
  import com.jolbox.bonecp.BoneCPDataSource;
  import com.mchange.v2.c3p0.ComboPooledDataSource;
  import junit.framework.TestCase;
  import org.apache.commons.dbcp.BasicDataSource;
  
  import javax.sql.DataSource;
  
  import java.lang.management.ManagementFactory;
  import java.lang.management.ThreadInfo;
  import java.sql.Connection;
  import java.sql.DriverManager;
  import java.sql.SQLException;
  import java.text.NumberFormat;
  import java.util.Properties;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.atomic.AtomicLong;
  
  /**
   * TestOnBo 类Case1.java的实现描述：TODO 类实现描述
   *
   * @author admin 2011-5-28 下午03:47:40
   */
  public class Case1 extends TestCase {
      private String jdbcUrl;
      private String user;
      private String password;
      private String driverClass;
      private int initialSize = 10;
      private int minPoolSize = 10;
      private int maxPoolSize = 50;
      private int maxActive = 50;
      private String validationQuery = "SELECT 1";
      private int threadCount = 5;
      private int loopCount = 10;
      final int LOOP_COUNT = 1000 * 1 * 1 / threadCount;
  
      private static AtomicLong physicalConnStat = new AtomicLong();
  
      public static class TestDriver extends MockDriver {
          public static TestDriver instance = new TestDriver();
  
          public boolean acceptsURL(String url) throws SQLException {
              if (url.startsWith("jdbc:test:")) {
                  return true;
              }
              return super.acceptsURL(url);
          }
  
          public Connection connect(String url, Properties info) throws SQLException {
              physicalConnStat.incrementAndGet();
              return super.connect("jdbc:mock:case1", info);
          }
      }
  
      protected void setUp() throws Exception {
          DriverManager.registerDriver(TestDriver.instance);
  
          user = "dragoon25";
          password = "dragoon25";
  
          // jdbcUrl = "jdbc:h2:mem:";
          // driverClass = "org.h2.Driver";
          jdbcUrl = "jdbc:test:case1:";
          driverClass = "com.alibaba.druid.benckmark.pool.Case1$TestDriver";
  
          physicalConnStat.set(0);
      }
  
      public void test_druid() throws Exception {
          DruidDataSource dataSource = new DruidDataSource();
  
          dataSource.setInitialSize(initialSize);
          dataSource.setMaxActive(maxActive);
          dataSource.setMinIdle(minPoolSize);
          dataSource.setMaxIdle(maxPoolSize);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setDriverClassName(driverClass);
          dataSource.setUrl(jdbcUrl);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setUsername(user);
          dataSource.setPassword(password);
          dataSource.setValidationQuery(validationQuery);
          dataSource.setTestOnBorrow(false);
  
          for (int i = 0; i < loopCount; ++i) {
              p0(dataSource, "druid", threadCount);
          }
          System.out.println();
      }
  
      public void test_dbcp() throws Exception {
          final BasicDataSource dataSource = new BasicDataSource();
  
          dataSource.setInitialSize(initialSize);
          dataSource.setMaxActive(maxActive);
          dataSource.setMinIdle(minPoolSize);
          dataSource.setMaxIdle(maxPoolSize);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setDriverClassName(driverClass);
          dataSource.setUrl(jdbcUrl);
          dataSource.setPoolPreparedStatements(true);
          dataSource.setUsername(user);
          dataSource.setPassword(password);
          dataSource.setValidationQuery("SELECT 1");
          dataSource.setTestOnBorrow(false);
  
          for (int i = 0; i < loopCount; ++i) {
              p0(dataSource, "dbcp", threadCount);
          }
          System.out.println();
      }
  
      public void test_bonecp() throws Exception {
          BoneCPDataSource dataSource = new BoneCPDataSource();
          // dataSource.(10);
          // dataSource.setMaxActive(50);
          dataSource.setMinConnectionsPerPartition(minPoolSize);
          dataSource.setMaxConnectionsPerPartition(maxPoolSize);
  
          dataSource.setDriverClass(driverClass);
          dataSource.setJdbcUrl(jdbcUrl);
          dataSource.setStatementsCacheSize(100);
          dataSource.setServiceOrder("LIFO");
          // dataSource.setMaxOpenPreparedStatements(100);
          dataSource.setUsername(user);
          dataSource.setPassword(password);
          // dataSource.setConnectionTestStatement("SELECT 1");
          dataSource.setPartitionCount(1);
          dataSource.setAcquireIncrement(5);
          dataSource.setIdleConnectionTestPeriod(0L);
          // dataSource.setDisableConnectionTracking(true);
  
          for (int i = 0; i < loopCount; ++i) {
              p0(dataSource, "boneCP", threadCount);
          }
          System.out.println();
      }
  
      public void test_c3p0() throws Exception {
          ComboPooledDataSource dataSource = new ComboPooledDataSource();
          // dataSource.(10);
          // dataSource.setMaxActive(50);
          dataSource.setMinPoolSize(minPoolSize);
          dataSource.setMaxPoolSize(maxPoolSize);
  
          dataSource.setDriverClass(driverClass);
          dataSource.setJdbcUrl(jdbcUrl);
          // dataSource.setPoolPreparedStatements(true);
          // dataSource.setMaxOpenPreparedStatements(100);
          dataSource.setUser(user);
          dataSource.setPassword(password);
  
          for (int i = 0; i < loopCount; ++i) {
              p0(dataSource, "c3p0", threadCount);
          }
          System.out.println();
      }
  
      public void test_tomcat_jdbc() throws Exception {
          org.apache.tomcat.jdbc.pool.DataSource dataSource = new org.apache.tomcat.jdbc.pool.DataSource();
          // dataSource.(10);
          dataSource.setMaxIdle(maxPoolSize);
          dataSource.setMinIdle(minPoolSize);
          dataSource.setMaxActive(maxPoolSize);
  
          dataSource.setDriverClassName(driverClass);
          dataSource.setUrl(jdbcUrl);
          // dataSource.setPoolPreparedStatements(true);
          // dataSource.setMaxOpenPreparedStatements(100);
          dataSource.setUsername(user);
          dataSource.setPassword(password);
  
          for (int i = 0; i < loopCount; ++i) {
              p0(dataSource, "tomcat-jdbc", threadCount);
          }
          System.out.println();
      }
  
      private void p0(final DataSource dataSource, String name, int threadCount) throws Exception {
          final CountDownLatch startLatch = new CountDownLatch(1);
          final CountDownLatch endLatch = new CountDownLatch(threadCount);
          final CountDownLatch dumpLatch = new CountDownLatch(1);
  
          Thread[] threads = new Thread[threadCount];
          for (int i = 0; i < threadCount; ++i) {
              Thread thread = new Thread() {
                  public void run() {
                      try {
                          startLatch.await();
  
                          for (int i = 0; i < LOOP_COUNT; ++i) {
                              Connection conn = dataSource.getConnection();
                              conn.close();
                          }
                      } catch (Exception ex) {
                          ex.printStackTrace();
                      }
                      endLatch.countDown();
  
                      try {
                          dumpLatch.await();
                      } catch (InterruptedException e) {
                          e.printStackTrace();
                      }
                  }
              };
              threads[i] = thread;
              thread.start();
          }
          long startMillis = System.currentTimeMillis();
          long startYGC = TestUtil.getYoungGC();
          long startFullGC = TestUtil.getFullGC();
          startLatch.countDown();
          endLatch.await();
  
          long[] threadIdArray = new long[threads.length];
          for (int i = 0; i < threads.length; ++i) {
              threadIdArray[i] = threads[i].getId();
          }
          ThreadInfo[] threadInfoArray = ManagementFactory.getThreadMXBean().getThreadInfo(threadIdArray);
  
          dumpLatch.countDown();
  
          long blockedCount = 0;
          long waitedCount = 0;
          for (int i = 0; i < threadInfoArray.length; ++i) {
              ThreadInfo threadInfo = threadInfoArray[i];
              blockedCount += threadInfo.getBlockedCount();
              waitedCount += threadInfo.getWaitedCount();
          }
  
          long millis = System.currentTimeMillis() - startMillis;
          long ygc = TestUtil.getYoungGC() - startYGC;
          long fullGC = TestUtil.getFullGC() - startFullGC;
  
          System.out.println("thread " + threadCount + " " + name + " millis : "
                  + NumberFormat.getInstance().format(millis) + "; YGC " + ygc + " FGC " + fullGC
                  + " blocked "
                  + NumberFormat.getInstance().format(blockedCount) //
                  + " waited " + NumberFormat.getInstance().format(waitedCount) + " physicalConn "
                  + physicalConnStat.get());
      }
  }
  