/*
* Copyright 1999-2011 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.bvt.proxy.filter;
import java.sql.Connection;
import java.sql.Statement;
import java.util.concurrent.CountDownLatch;
import junit.framework.TestCase;
import com.alibaba.druid.filter.stat.StatFilter;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.stat.JdbcSqlStat;
public class StatFilterConcurrentTest extends TestCase {
private DruidDataSource dataSource;
private StatFilter statFilter;
private int LOOP_COUNT = 1000 * 1;
public void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:xxx");
dataSource.setMaxActive(100);
statFilter = new StatFilter();
dataSource.getProxyFilters().add(statFilter);
dataSource.setConnectionProperties("executeSleep=1");
}
public void tearDown() throws Exception {
dataSource.close();
}
public void test_stat() throws Exception {
concurrent(100);
for (JdbcSqlStat sqlStat : dataSource.getDataSourceStat().getSqlStatMap().values()) {
System.out.println(sqlStat.getConcurrentMax());
}
}
public void concurrent(int threadCount) throws Exception {
Thread[] threads = new Thread[threadCount];
final CountDownLatch endLatch = new CountDownLatch(threadCount);
for (int i = 0; i < threadCount; ++i) {
threads[i] = new Thread() {
public void run() {
try {
for (int i = 0; i < LOOP_COUNT; ++i) {
Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
stmt.executeUpdate("select 1");
stmt.close();
conn.close();
}
} catch (Exception e) {
e.printStackTrace();
} finally {
endLatch.countDown();
}
}
};
}
for (int i = 0; i < threadCount; ++i) {
threads[i].start();
}
endLatch.await();
}
}