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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
/*
* ConnectionPoolCacheImplTest.java JUnit based test
*
* Created on March 3, 2005, 5:26 PM
*/
package com.gemstone.gemfire.internal.datasource;
import java.sql.Connection;
import java.util.*;
import javax.sql.PooledConnection;
import junit.framework.*;
import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.cache.CacheFactory;
import com.gemstone.gemfire.distributed.DistributedSystem;
import javax.naming.Context;
/*
* @author tnegi this is a Multithreaded test for datasource connection pool.
*/
public class ConnectionPoolCacheImplTest extends TestCase {
protected static ConnectionPoolCacheImpl poolCache = null;
private Thread ThreadA;
protected Thread ThreadB;
// private Thread ThreadC;
protected static int maxPoolSize;
protected static GemFireConnPooledDataSource ds = null;
private static GemFireConnectionPoolManager provider = null;
private static Properties props = null;
private static DistributedSystem ds1 = null;
private static Cache cache = null;
static {
try {
props = new Properties();
props.setProperty("mcast-port", "0");
String path = System.getProperty("JTAXMLFILE");
props.setProperty("cache-xml-file", path);
ds1 = DistributedSystem.connect(props);
cache = CacheFactory.create(ds1);
}
catch (Exception e) {
fail("Exception occured in creation of ds and cache due to " + e);
e.printStackTrace();
}
}
public ConnectionPoolCacheImplTest(java.lang.String testName) {
super(testName);
}
public void setup() {
}
public void teardown() {
}
public void testGetSimpleDataSource() throws Exception {
try {
Context ctx = cache.getJNDIContext();
GemFireBasicDataSource ds = (GemFireBasicDataSource) ctx
.lookup("java:/SimpleDataSource");
Connection conn = ds.getConnection();
if (conn == null)
fail("DataSourceFactoryTest-testGetSimpleDataSource() Error in creating the GemFireBasicDataSource");
}
catch (Exception e) {
fail("Exception occured in testGetSimpleDataSource due to " + e);
e.printStackTrace();
}
}
public void testConnectionPoolFunctions() {
try {
createPool();
PoolClient_1 clientA = new PoolClient_1();
ThreadA = new Thread(clientA, "ThreadA");
PoolClient_2 clientB = new PoolClient_2();
ThreadB = new Thread(clientB, "ThreadB");
ThreadA.start();
}
catch (Exception e) {
fail("Exception occured in testConnectionPoolFunctions due to " + e);
e.printStackTrace();
}
}
public static void createPool() throws Exception {
Context ctx = cache.getJNDIContext();
GemFireConnPooledDataSource ds = (GemFireConnPooledDataSource) ctx
.lookup("java:/PooledDataSource");
provider = (GemFireConnectionPoolManager) ds.getConnectionProvider();
poolCache = (ConnectionPoolCacheImpl) provider.getConnectionPoolCache();
maxPoolSize = poolCache.getMaxLimit();
}
class PoolClient_1 implements Runnable {
List poolConnlist = new ArrayList();
public void run() {
String threadName = Thread.currentThread().getName();
// System.out.println(" Inside Run method of " + threadName);
int numConn = 0;
while (poolConnlist.size() < maxPoolSize) {
try {
// System.out.println(" Getting a connection from " + threadName);
PooledConnection conn = (PooledConnection) poolCache
.getPooledConnectionFromPool();
poolConnlist.add(conn);
numConn++;
//System.out.println(" Got connection " + numConn + "from "+
// threadName);
}
catch (Exception ex) {
fail("Exception occured in trying to getPooledConnectionfromPool due to "
+ ex);
ex.printStackTrace();
}
}
if (numConn != maxPoolSize)
fail("#### Error in filling the the connection pool from "
+ threadName);
ThreadB.start();
//System.out.println(" AFTER starting THREADB");
int numC = 0;
// int display = 0;
long birthTime = 0;
long newTime = 0;
long duration = 0;
for (numC = 0; numC < poolConnlist.size(); numC++) {
try {
birthTime = System.currentTimeMillis();
while (true) {
newTime = System.currentTimeMillis();
duration = newTime - birthTime;
if (duration > 5) break;
}
// display = numC + 1;
//System.out.println(" Returning connection " + display + "from "+
// threadName);
poolCache
.returnPooledConnectionToPool(poolConnlist
.get(numC));
//System.out.println(" Returned connection " + display + "from "+
// threadName);
}
catch (Exception ex) {
fail("Exception occured in trying to returnPooledConnectiontoPool due to "
+ ex);
ex.printStackTrace();
}
}
if (numC != maxPoolSize)
fail("#### Error in returning all the connections to the pool from "
+ threadName);
//System.out.println(" ****************Returned all connections " +
// threadName + "***********");
}
}
class PoolClient_2 implements Runnable {
List poolConnlist = new ArrayList();
public void run() {
String threadName = Thread.currentThread().getName();
//System.out.println(" Inside Run method of " + threadName);
int numConn2 = 0;
// int display = 0;
while (numConn2 < maxPoolSize) {
try {
PooledConnection conn = (PooledConnection) poolCache
.getPooledConnectionFromPool();
poolConnlist.add(conn);
numConn2++;
// System.out.println(" ********** Got connection " + numConn2+ "from
// " + threadName);
}
catch (Exception ex) {
fail("Exception occured in trying to getPooledConnectionFromPool due to "
+ ex);
ex.printStackTrace();
}
}
if (numConn2 != maxPoolSize)
fail("#### Error in getting all connections from the " + threadName);
//System.out.println(" ****************GOT ALL connections "+ threadName
// + "***********");
}
}
}