/*
* JBoss, Home of Professional Open Source.
* Copyright (C) 2008 Red Hat, Inc.
* Licensed to Red Hat, Inc. under one or more contributor
* license agreements. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.transport;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import java.net.InetSocketAddress;
import java.util.Properties;
import org.junit.After;
import org.junit.Test;
import org.teiid.client.security.ILogon;
import org.teiid.client.security.InvalidSessionException;
import org.teiid.client.security.LogonException;
import org.teiid.client.security.LogonResult;
import org.teiid.client.security.SessionToken;
import org.teiid.client.util.ResultsFuture;
import org.teiid.common.buffer.BufferManagerFactory;
import org.teiid.core.ComponentNotFoundException;
import org.teiid.core.TeiidComponentException;
import org.teiid.dqp.service.SessionService;
import org.teiid.net.CommunicationException;
import org.teiid.net.ConnectionException;
import org.teiid.net.HostInfo;
import org.teiid.net.TeiidURL;
import org.teiid.net.socket.SocketServerConnection;
import org.teiid.net.socket.SocketServerConnectionFactory;
import org.teiid.net.socket.UrlServerDiscovery;
import org.teiid.transport.TestSocketRemoting.FakeService;
@SuppressWarnings("nls")
public class TestFailover {
SocketListener listener;
SocketListener listener1;
private SocketServerConnectionFactory sscf;
private InetSocketAddress addr = new InetSocketAddress(0);
private int logonAttempts;
@After public void tearDown() {
if (this.listener != null) {
this.listener.stop();
}
if (this.listener1 != null) {
this.listener1.stop();
}
}
private SocketServerConnection helpEstablishConnection(boolean clientSecure, SSLConfiguration config, Properties socketConfig) throws CommunicationException,
ConnectionException {
listener = createListener(addr, config);
listener1 = createListener(addr, config);
listener1.stop();
Properties p = new Properties();
TeiidURL teiidUrl = new TeiidURL(addr.getHostName(), listener.getPort(), clientSecure);
teiidUrl.getHostInfo().add(new HostInfo(addr.getHostName(), listener1.getPort()));
String url = teiidUrl.getAppServerURL();
p.setProperty(TeiidURL.CONNECTION.SERVER_URL, url);
p.setProperty(TeiidURL.CONNECTION.DISCOVERY_STRATEGY, UrlServerDiscovery.class.getName());
p.setProperty(TeiidURL.CONNECTION.AUTO_FAILOVER, Boolean.TRUE.toString());
if (sscf == null) {
sscf = new SocketServerConnectionFactory();
sscf.initialize(socketConfig);
}
return sscf.getConnection(p);
}
private SocketListener createListener(InetSocketAddress address, SSLConfiguration config) {
ClientServiceRegistryImpl server = new ClientServiceRegistryImpl();
server.registerClientService(ILogon.class, new LogonImpl(mock(SessionService.class), "fakeCluster") { //$NON-NLS-1$
@Override
public LogonResult logon(Properties connProps)
throws LogonException, ComponentNotFoundException {
logonAttempts++;
return new LogonResult(new SessionToken("dummy"), "x", 1, "z");
}
@Override
public ResultsFuture<?> ping() throws InvalidSessionException,
TeiidComponentException {
return ResultsFuture.NULL_FUTURE;
}
@Override
public void assertIdentity(SessionToken checkSession)
throws InvalidSessionException, TeiidComponentException {
throw new InvalidSessionException();
}
}, null);
server.registerClientService(FakeService.class, new TestSocketRemoting.FakeServiceImpl(), null);
return new SocketListener(address.getPort(), address.getAddress().getHostAddress(), 1024, 1024, 1, config, server, BufferManagerFactory.getStandaloneBufferManager());
}
@Test public void testFailover() throws Exception {
SSLConfiguration config = new SSLConfiguration();
Properties p = new Properties();
SocketServerConnection conn = helpEstablishConnection(false, config, p);
assertTrue(conn.isOpen(1000));
//restart the second instance now that we know the connection was made to the first
listener1 = createListener(new InetSocketAddress(addr.getAddress(), listener1.getPort()), config);
listener.stop();
conn.isOpen(1000); //there is a chance this call can fail
assertTrue(conn.isOpen(1000));
listener1.stop();
//both instances are down
assertFalse(conn.isOpen(1000));
//bring the first back up
listener = createListener(new InetSocketAddress(addr.getAddress(), listener.getPort()), config);
assertTrue(conn.isOpen(1000));
assertEquals(3, logonAttempts);
conn.close();
}
}