/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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 org.apache.geode.internal.jta.dunit;
import static org.apache.geode.distributed.ConfigurationProperties.*;
import static org.apache.geode.test.dunit.Assert.*;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.sql.DataSource;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.apache.geode.cache.Cache;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.distributed.DistributedSystem;
import org.apache.geode.internal.OSProcess;
import org.apache.geode.internal.jta.CacheUtils;
import org.apache.geode.test.dunit.Assert;
import org.apache.geode.test.dunit.AsyncInvocation;
import org.apache.geode.test.dunit.Host;
import org.apache.geode.test.dunit.LogWriterUtils;
import org.apache.geode.test.dunit.ThreadUtils;
import org.apache.geode.test.dunit.VM;
import org.apache.geode.test.dunit.internal.JUnit4DistributedTestCase;
import org.apache.geode.test.junit.categories.DistributedTest;
import org.apache.geode.util.test.TestUtil;
@Category(DistributedTest.class)
public class MaxPoolSizeDUnitTest extends JUnit4DistributedTestCase {
static DistributedSystem ds;
static Cache cache;
private static String tblName;
private static String readFile(String filename) throws IOException {
BufferedReader br = new BufferedReader(new FileReader(filename));
String nextLine = "";
StringBuffer sb = new StringBuffer();
while ((nextLine = br.readLine()) != null) {
sb.append(nextLine);
//
// note:
// BufferedReader strips the EOL character.
//
// sb.append(lineSep);
}
LogWriterUtils.getLogWriter().fine("***********\n " + sb);
return sb.toString();
}
private static String modifyFile(String str) throws IOException {
String search = "<jndi-binding type=\"XAPooledDataSource\"";
String last_search = "</jndi-binding>";
String newDB = "newDB_" + OSProcess.getId();
String jndi_str =
"<jndi-binding type=\"XAPooledDataSource\" jndi-name=\"XAPooledDataSource\" jdbc-driver-class=\"org.apache.derby.jdbc.EmbeddedDriver\" init-pool-size=\"1\" max-pool-size=\"2\" idle-timeout-seconds=\"600\" blocking-timeout-seconds=\"2\" login-timeout-seconds=\"1\" conn-pooled-datasource-class=\"org.apache.derby.jdbc.EmbeddedConnectionPoolDataSource\" xa-datasource-class=\"org.apache.derby.jdbc.EmbeddedXADataSource\" user-name=\"mitul\" password=\"83f0069202c571faf1ae6c42b4ad46030e4e31c17409e19a\" connection-url=\"jdbc:derby:"
+ newDB + ";create=true\" >";
String config_prop = "<config-property>"
+ "<config-property-name>description</config-property-name>"
+ "<config-property-type>java.lang.String</config-property-type>"
+ "<config-property-value>hi</config-property-value>" + "</config-property>"
+ "<config-property>" + "<config-property-name>user</config-property-name>"
+ "<config-property-type>java.lang.String</config-property-type>"
+ "<config-property-value>mitul</config-property-value>" + "</config-property>"
+ "<config-property>" + "<config-property-name>password</config-property-name>"
+ "<config-property-type>java.lang.String</config-property-type>"
+ "<config-property-value>83f0069202c571faf1ae6c42b4ad46030e4e31c17409e19a</config-property-value> "
+ "</config-property>" + "<config-property>"
+ "<config-property-name>databaseName</config-property-name>"
+ "<config-property-type>java.lang.String</config-property-type>"
+ "<config-property-value>" + newDB + "</config-property-value>" + "</config-property>\n";
String new_str = jndi_str + config_prop;
/*
* String new_str = " <jndi-binding type=\"XAPooledDataSource\" jndi-name=\"XAPooledDataSource\"
* jdbc-driver-class=\"org.apache.derby.jdbc.EmbeddedDriver\"
* init-pool-size=\"5\" max-pool-size=\"30\" idle-timeout-seconds=\"600\"
* blocking-timeout-seconds=\"60\" login-timeout-seconds=\"25\"
* conn-pooled-datasource-class=\"org.apache.derby.jdbc.EmbeddedConnectionPoolDataSource\"
* xa-datasource-class=\"org.apache.derby.jdbc.EmbeddedXADataSource\" user-name=\"mitul\"
* password=\"83f0069202c571faf1ae6c42b4ad46030e4e31c17409e19a\"
* connection-url=\"jdbc:derby:"+newDB+";create=true\" > <property
* key=\"description\" value=\"hi\"/> <property key=\"databaseName\"
* value=\""+newDB+"\"/> <property key=\"user\" value=\"mitul\"/> <property key=\"password\"
* value=\"83f0069202c571faf1ae6c42b4ad46030e4e31c17409e19a\"/>";
*/
int n1 = str.indexOf(search);
LogWriterUtils.getLogWriter().fine("Start Index = " + n1);
int n2 = str.indexOf(last_search, n1);
StringBuffer sbuff = new StringBuffer(str);
LogWriterUtils.getLogWriter().fine("END Index = " + n2);
String modified_str = sbuff.replace(n1, n2, new_str).toString();
return modified_str;
}
public static String init(String className) throws Exception {
LogWriterUtils.getLogWriter().fine("PATH11 ");
Properties props = new Properties();
int pid = OSProcess.getId();
String path = File.createTempFile("dunit-cachejta_", ".xml").getAbsolutePath();
LogWriterUtils.getLogWriter().fine("PATH " + path);
/** * Return file as string and then modify the string accordingly ** */
String file_as_str = readFile(TestUtil.getResourcePath(CacheUtils.class, "cachejta.xml"));
file_as_str = file_as_str.replaceAll("newDB", "newDB_" + pid);
String modified_file_str = modifyFile(file_as_str);
FileOutputStream fos = new FileOutputStream(path);
BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(fos));
wr.write(modified_file_str);
wr.flush();
wr.close();
props.setProperty(CACHE_XML_FILE, path);
String tableName = "";
ds = (new MaxPoolSizeDUnitTest()).getSystem(props);
cache = CacheFactory.create(ds);
if (className != null && !className.equals("")) {
String time = new Long(System.currentTimeMillis()).toString();
tableName = className + time;
createTable(tableName);
}
tblName = tableName;
return tableName;
}
public static void createTable(String tableName) throws NamingException, SQLException {
Context ctx = cache.getJNDIContext();
DataSource ds = (DataSource) ctx.lookup("java:/SimpleDataSource");
// String sql = "create table " + tableName + " (id number primary key, name
// varchar2(50))";
// String sql = "create table " + tableName + " (id integer primary key,
// name varchar(50))";
String sql =
"create table " + tableName + " (id integer NOT NULL, name varchar(50), CONSTRAINT "
+ tableName + "_key PRIMARY KEY(id))";
LogWriterUtils.getLogWriter().fine(sql);
Connection conn = ds.getConnection();
Statement sm = conn.createStatement();
sm.execute(sql);
sm.close();
sm = conn.createStatement();
for (int i = 1; i <= 10; i++) {
sql = "insert into " + tableName + " values (" + i + ",'name" + i + "')";
sm.addBatch(sql);
LogWriterUtils.getLogWriter().fine(sql);
}
sm.executeBatch();
conn.close();
}
public static void destroyTable() throws NamingException, SQLException {
try {
String tableName = tblName;
Context ctx = cache.getJNDIContext();
DataSource ds = (DataSource) ctx.lookup("java:/SimpleDataSource");
Connection conn = ds.getConnection();
LogWriterUtils.getLogWriter().fine(" trying to drop table: " + tableName);
String sql = "drop table " + tableName;
Statement sm = conn.createStatement();
sm.execute(sql);
conn.close();
} catch (SQLException se) {
if (!se.getMessage().contains("A lock could not be obtained within the time requested")) {
LogWriterUtils.getLogWriter().fine("destroy table sql exception: " + se);
throw se;
} else {
// disregard - this happens sometimes on unit test runs on slower
// machines
}
}
closeCache();
}
public static Cache getCache() {
return cache;
}
public static void startCache() {
try {
if (cache.isClosed()) {
cache = CacheFactory.create(ds);
}
} catch (Exception e) {
fail("startCache failed", e);
}
}
public static void closeCache() {
try {
if (!cache.isClosed()) {
cache.close();
}
} catch (Exception e) {
fail("closeCache failed", e);
}
try {
ds.disconnect();
} catch (Exception e) {
LogWriterUtils.getLogWriter().fine("Error in disconnecting from Distributed System");
}
}
@Override
public final void postSetUp() throws Exception {
disconnectAllFromDS();
Host host = Host.getHost(0);
VM vm0 = host.getVM(0);
Object o[] = new Object[1];
o[0] = "MaxPoolSizeDUnitTest";
vm0.invoke(MaxPoolSizeDUnitTest.class, "init", o);
}
@Override
public final void preTearDown() throws Exception {
Host host = Host.getHost(0);
VM vm0 = host.getVM(0);
try {
vm0.invoke(() -> MaxPoolSizeDUnitTest.destroyTable());
} finally {
disconnectAllFromDS();
}
}
@Test
public void testMaxPoolSize() throws Exception {
Host host = Host.getHost(0);
VM vm0 = host.getVM(0);
AsyncInvocation asyncObj = vm0.invokeAsync(() -> MaxPoolSizeDUnitTest.runTest1());
ThreadUtils.join(asyncObj, 30 * 1000);
if (asyncObj.exceptionOccurred()) {
Assert.fail("asyncObj failed", asyncObj.getException());
}
}
public static void runTest1() throws Exception {
final int MAX_CONNECTIONS = 3;
int count = 0;
DataSource ds = null;
try {
Context ctx = cache.getJNDIContext();
ds = (DataSource) ctx.lookup("java:/XAPooledDataSource");
} catch (NamingException e) {
LogWriterUtils.getLogWriter().fine("Naming Exception caught in lookup: " + e);
fail("failed in naming lookup: ", e);
return;
} catch (Exception e) {
LogWriterUtils.getLogWriter().fine("Exception caught during naming lookup: " + e);
fail("failed in naming lookup: ", e);
return;
}
try {
for (count = 0; count < MAX_CONNECTIONS; count++) {
ds.getConnection();
LogWriterUtils.getLogWriter().fine("Thread 1 acquired connection #" + count);
}
fail("expected max connect exception");
} catch (SQLException e) {
if (count < (MAX_CONNECTIONS - 1)) {
Assert.fail("runTest1 SQL Exception", e);
} else {
LogWriterUtils.getLogWriter().fine("Success SQLException caught at connection #" + count);
}
}
}
}