/*
* JBoss, Home of Professional Open Source.
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.jboss.test.cluster.invokerha;
import java.lang.management.ManagementFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.management.MBeanServer;
import javax.net.SocketFactory;
import org.jboss.ha.framework.interfaces.LoadBalancePolicy;
import org.jboss.invocation.Invocation;
import org.jboss.invocation.Invoker;
import org.jboss.invocation.MarshalledInvocation;
import org.jboss.invocation.unified.interfaces.UnifiedInvokerHAProxy;
import org.jboss.invocation.unified.server.UnifiedInvokerHA;
import org.jboss.remoting.Client;
import org.jboss.remoting.ConnectionFailedException;
import org.jboss.remoting.InvocationRequest;
import org.jboss.remoting.InvokerLocator;
import org.jboss.remoting.callback.InvokerCallbackHandler;
import org.jboss.remoting.marshal.Marshaller;
import org.jboss.remoting.marshal.UnMarshaller;
import org.jboss.remoting.transport.ClientInvoker;
import org.jboss.tm.TransactionPropagationContextFactory;
import org.jboss.tm.TransactionPropagationContextUtil;
/**
* Helper class with all remoting related mock implementations that allow
* direct invocations from proxy to invoker.
*
* @author <a href="mailto:galder.zamarreno@jboss.com">Galder Zamarreno</a>
*/
public class UnifiedInvokerHaMockUtils
{
public static boolean SLOW_DOWN_CLIENT_CONNECT = false;
public static class MockUnifiedInvokerHA extends UnifiedInvokerHA
{
private String name;
private InvokerLocator locator;
public MockUnifiedInvokerHA(String name)
{
this.name = name;
}
@Override
public String toString()
{
return name + "," + super.toString();
}
public void setLocator(InvokerLocator locator)
{
this.locator = locator;
}
public InvokerLocator getLocator()
{
return locator;
}
@Override
protected Invoker createProxy(boolean isStrictRMIException, ArrayList targets,
LoadBalancePolicy policy, String proxyFamilyName, long viewId)
{
/* default invoker locator that will later be replaced by what the
* load balance policy decides */
return new MockUnifiedInvokerHAProxy(locator, isStrictRMIException, targets, policy, proxyFamilyName, viewId);
}
@Override
public MBeanServer getServer()
{
return ManagementFactory.getPlatformMBeanServer();
}
@Override
public Object invoke(InvocationRequest invocationReq) throws Throwable
{
Invocation invocation = (Invocation) invocationReq.getParameter();
InvokerHaFailureType failureType = (InvokerHaFailureType)invocation.getValue("FAILURE_TYPE");
if (failureType != null)
{
failureType.injectFailureIfExistsAfterServer((Integer)invocation.getAsIsValue("FAILOVER_COUNTER"));
}
log.debug("invoking on " + invocation.getObjectName());
return super.invoke(invocationReq);
}
}
public static class MockUnifiedInvokerHAProxy extends UnifiedInvokerHAProxy
{
public MockUnifiedInvokerHAProxy(InvokerLocator locator, boolean isStrictRMIException, ArrayList targets,
LoadBalancePolicy policy, String proxyFamilyName, long viewId)
{
super(locator, isStrictRMIException, targets, policy, proxyFamilyName, viewId);
}
@Override
protected Client createClient(InvokerLocator locator, String subSystem) throws Exception
{
return new MockClient(locator);
}
@Override
public Object invoke(Invocation invocation) throws Exception
{
InvokerHaFailureType failureType = (InvokerHaFailureType)invocation.getValue("FAILURE_TYPE");
if (failureType != null)
{
failureType.injectFailureIfExistsBeforeServer();
}
return super.invoke(invocation);
}
public InvokerLocator getLocator()
{
return super.getLocator();
}
}
public static class MockInvokerLocator extends InvokerLocator
{
/** The serialVersionUID */
private static final long serialVersionUID = 8641387521254685628L;
private MockUnifiedInvokerHA invoker;
public MockInvokerLocator(String host, int port, MockUnifiedInvokerHA invoker)
{
super("unittest", host, port, "mock", null);
this.invoker = invoker;
}
public MockUnifiedInvokerHA getInvoker()
{
return invoker;
}
@Override
public String toString()
{
return super.toString() + ",[invoker=" + invoker + "]";
}
@Override
public boolean equals(Object obj)
{
/* reimplemented equals to avoid lingering static family cluster info
* references being valid in latter tests */
return super.equals(obj) && invoker.equals(((MockInvokerLocator)obj).getInvoker());
}
}
public static class MockClient extends Client
{
/* temporary invoker locator to be able to mimic what remoting does
* setting the invoker in connect() */
private InvokerLocator locatorTmp;
public MockClient(InvokerLocator locator) throws Exception
{
super(locator);
locatorTmp = locator;
}
@Override
public void connect() throws Exception
{
if (SLOW_DOWN_CLIENT_CONNECT)
{
Thread.sleep(50);
}
setInvoker(new MockClientInvoker(locatorTmp));
}
@Override
public Object invoke(Object param, Map metadata) throws Throwable
{
Invocation inv = (Invocation) param;
inv.getTransientPayload().put("TEST_USED_TARGET", this.getInvoker().getLocator());
/* Down the call stack in Remoting's Client.invoke, marshaller is
* called which via org.jboss.invocation.unified.marshall.InvocationMarshaller
* sets the transaction progagation context.
*
* As we're mocking Remoting's Client.invoke behaivour, we set the
* transaction progagation context manually in the mock class.
*
* Not ideal, as I try avoiding production code in UTs as much as
* possible, but makes the mock implementation a lot simpler.
*/
MarshalledInvocation marshInv = new MarshalledInvocation(inv);
marshInv.setTransactionPropagationContext(getTransactionPropagationContext());
MockUnifiedInvokerHA invoker = ((MockInvokerLocator)getInvoker().getLocator()).getInvoker();
return invoker.invoke(new InvocationRequest("", "", marshInv,
metadata, null, null));
}
public Object getTransactionPropagationContext()
{
TransactionPropagationContextFactory tpcFactory = TransactionPropagationContextUtil.getTPCFactoryClientSide();
return (tpcFactory == null) ? null : tpcFactory.getTransactionPropagationContext();
}
@Override
public String toString()
{
return ((MockInvokerLocator)getInvoker().getLocator()).getInvoker().toString();
}
}
static class MockClientInvoker implements ClientInvoker
{
private InvokerLocator locator;
public MockClientInvoker(InvokerLocator locator)
{
this.locator = locator;
}
public InvokerLocator getLocator()
{
return locator;
}
public String addClientLocator(String sessionId, InvokerCallbackHandler callbackhandler, InvokerLocator locator)
{
return null;
}
public void connect() throws ConnectionFailedException
{
}
public void disconnect()
{
}
public void establishLease(String sessionID, Map configuration, long leasePeriod) throws Throwable
{
}
public InvokerLocator getClientLocator(String listenerId)
{
return null;
}
public List getClientLocators(String sessionId, InvokerCallbackHandler handler)
{
return null;
}
public long getLeasePeriod(String sessionID)
{
return 0;
}
public Marshaller getMarshaller()
{
return null;
}
public SocketFactory getSocketFactory()
{
return null;
}
public UnMarshaller getUnMarshaller()
{
return null;
}
public Object invoke(InvocationRequest in) throws Throwable
{
return null;
}
public boolean isConnected()
{
return false;
}
public void setMarshaller(Marshaller marshaller)
{
}
public void setSocketFactory(SocketFactory socketFactory)
{
}
public void setUnMarshaller(UnMarshaller unmarshaller)
{
}
public void terminateLease(String sessionID, int disconnectTimeout)
{
}
}
}