/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltdb.jdbc;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.voltdb.BackendTarget;
import org.voltdb.client.Client;
import org.voltdb.client.ClientConfig;
import org.voltdb.client.ClientFactory;
import org.voltdb.compiler.VoltProjectBuilder;
import org.voltdb.regressionsuites.LocalCluster;
import org.voltdb.regressionsuites.MultiConfigSuiteBuilder;
import org.voltdb.regressionsuites.RegressionSuite;
import org.voltdb.utils.MiscUtils;
import junit.framework.Test;
public class TestJDBCMultiNodeConnection extends RegressionSuite
{
static LocalCluster m_config;
static int kfactor = 3;
public TestJDBCMultiNodeConnection(String name) {
super(name);
}
static VoltProjectBuilder getBuilderForTest() throws IOException {
VoltProjectBuilder builder = new VoltProjectBuilder();
builder.addLiteralSchema("CREATE TABLE T("
+ "A1 INTEGER NOT NULL, "
+ "A2 DECIMAL, "
+ "A3 DECIMAL DEFAULT 0, "
+ "A4 DECIMAL DEFAULT 999, "
+ "A5 DECIMAL DEFAULT 9.99E2, "
+ "A6 DECIMAL DEFAULT 1.012345678901, "
+ "PRIMARY KEY(A1));"
);
builder.addPartitionInfo("T", "A1");
builder.addStmtProcedure("Insert", "INSERT INTO T(A1) VALUES(?);", "T.A1: 0");
builder.addStmtProcedure("Select", "SELECT * FROM T WHERE A1 = ?;", "T.A1: 0");
return builder;
}
private static Connection connectClients(String URL) throws ClassNotFoundException, SQLException {
Class.forName("org.voltdb.jdbc.Driver");
Connection conn = DriverManager.getConnection(URL);
return conn;
}
public void testMultiNodeJDBCConnection() throws Exception {
// This test is meaningless for community, since community clusters can
// never run with k>0
if (!MiscUtils.isPro()) {
return;
}
// Need to build the URL before pre-killing the node or we don't
// add it to the URL list.
StringBuilder sb = new StringBuilder();
sb.append("jdbc:voltdb://");
final List<String> listeners = m_config.getListenerAddresses();
for (String listener : listeners) {
sb.append(listener).append(",");
}
if (ClientConfig.ENABLE_SSL_FOR_TEST) {
sb.append("?").append(JDBCTestCommons.SSL_URL_SUFFIX);
}
String JDBCURL = sb.toString();
System.out.println("Connecting to JDBC URL: " + JDBCURL);
// ENG-6231. Pre-kill one of the nodes. Things should still work.
m_config.killSingleHost(4);
Thread.sleep(500); // give repair a chance to settle
Connection conn = null;
try {
conn = connectClients(JDBCURL);
}
catch (Exception e) {
e.printStackTrace();
fail("Connection creation shouldn't fail: " + e.getMessage());
}
try {
Client client = ClientFactory.createClient();
client.createConnection("localhost", m_config.port(0));
client.callProcedure("Insert", 13);
client.close();
String sql = "select count(*) from T WHERE A1 = ?;";
PreparedStatement ps = conn.prepareStatement(sql);
ps.setInt(1, 13);
ResultSet rs = ps.executeQuery();
rs.next();
int cnt = rs.getInt(1);
assertEquals(cnt, 1);
cnt = 0;
m_config.killSingleHost(3);
Thread.sleep(500); // give repair a chance to settle
ps = conn.prepareStatement(sql);
ps.setInt(1, 13);
rs = ps.executeQuery();
rs.next();
cnt = rs.getInt(1);
assertEquals(cnt, 1);
cnt = 0;
m_config.killSingleHost(2);
Thread.sleep(500); // give repair a chance to settle
ps = conn.prepareStatement(sql);
ps.setInt(1, 13);
rs = ps.executeQuery();
rs.next();
cnt = rs.getInt(1);
assertEquals(cnt, 1);
cnt = 0;
} catch (Exception ex) {
//We could get here if the transaction was submitted while the
//cluster is failing. Handle the mastership change case, but hope
//it doesn't happen...
if (ex.getMessage().contains("change in mastership")) {
System.out.println("Test quit early due to transaction during node failure. Bail out.");
}
else {
ex.printStackTrace();
fail();
}
}
}
@Override
public void tearDown() throws Exception {
super.tearDown();
}
static public Test suite() throws IOException {
// the suite made here will all be using the tests from this class
MultiConfigSuiteBuilder builder = new MultiConfigSuiteBuilder(TestJDBCMultiNodeConnection.class);
// build up a project builder for the workload
VoltProjectBuilder project = getBuilderForTest();
boolean success;
m_config = new LocalCluster("decimal-default.jar", 4, 5, kfactor, BackendTarget.NATIVE_EE_JNI);
m_config.setHasLocalServer(true);
success = m_config.compile(project);
assertTrue(success);
// add this config to the set of tests to run
builder.addServerConfig(m_config);
return builder;
}
}