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.pool.DruidDataSource;
  import com.jolbox.bonecp.BoneCPDataSource;
  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.text.NumberFormat;
  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 Case2 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 = 100;
      private int executeCount = 4;
      final int LOOP_COUNT = (1000 * 100) / executeCount;
      private boolean testOnBorrow = true;
  
      protected void setUp() throws Exception {
          jdbcUrl = "jdbc:fake:dragoon_v25masterdb";
          user = "dragoon25";
          password = "dragoon25";
          driverClass = "com.alibaba.druid.mock.MockDriver";
      }
  
      public void test_0() 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(testOnBorrow);
  
          for (int i = 0; i < executeCount; ++i) {
              p0(dataSource, "druid", threadCount);
          }
          System.out.println();
      }
  
      public void test_1() 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(testOnBorrow);
  
          for (int i = 0; i < executeCount; ++i) {
              p0(dataSource, "dbcp", threadCount);
          }
          System.out.println();
      }
  
      // 当testOnBorrow为true时，BoneCP的处理策略不一样，所以略过
      public void f_test_2() 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.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 < executeCount; ++i) {
              p0(dataSource, "boneCP", 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 AtomicLong blockedStat = new AtomicLong();
          final AtomicLong waitedStat = new AtomicLong();
  
          for (int i = 0; i < threadCount; ++i) {
              Thread thread = new Thread() {
                  public void run() {
                      try {
                          startLatch.await();
  
                          long threadId = Thread.currentThread().getId();
  
                          long startBlockedCount, startWaitedCount;
                          {
                              ThreadInfo threadInfo = ManagementFactory.getThreadMXBean().getThreadInfo(threadId);
                              startBlockedCount = threadInfo.getBlockedCount();
                              startWaitedCount = threadInfo.getWaitedCount();
                          }
                          for (int i = 0; i < LOOP_COUNT; ++i) {
                              Connection conn = dataSource.getConnection();
                              conn.close();
                          }
  
                          ThreadInfo threadInfo = ManagementFactory.getThreadMXBean().getThreadInfo(threadId);
                          long blockedCount = threadInfo.getBlockedCount() - startBlockedCount;
                          long waitedCount = threadInfo.getWaitedCount() - startWaitedCount;
  
                          blockedStat.addAndGet(blockedCount);
                          waitedStat.addAndGet(waitedCount);
                      } catch (Exception ex) {
                          ex.printStackTrace();
                      }
                      endLatch.countDown();
                  }
              };
              thread.start();
          }
          long startMillis = System.currentTimeMillis();
          long startYGC = TestUtil.getYoungGC();
          long startFullGC = TestUtil.getFullGC();
          startLatch.countDown();
          endLatch.await();
  
          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
                  + " blockedCount " + blockedStat.get() + " waitedCount " + waitedStat.get());
      }
  }
  