/*
* JBoss, Home of Professional Open Source
* Copyright 2010 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt 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
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.remoting.transport;
import org.infinispan.CacheException;
import org.infinispan.config.GlobalConfiguration;
import org.infinispan.manager.NamedCacheNotFoundException;
import org.infinispan.remoting.RpcException;
import org.infinispan.remoting.responses.ExceptionResponse;
import org.infinispan.remoting.responses.Response;
import org.infinispan.remoting.transport.jgroups.SuspectException;
import org.infinispan.util.concurrent.TimeoutException;
import org.infinispan.util.logging.Log;
import java.util.Map;
/**
* Common transport-related behaviour
*
* @author Manik Surtani
* @version 4.2
*/
public abstract class AbstractTransport implements Transport {
protected GlobalConfiguration configuration;
@Override
public void setConfiguration(GlobalConfiguration globalConfiguration) {
this.configuration = globalConfiguration;
}
private boolean shouldThrowException(Exception ce) {
if (!configuration.isStrictPeerToPeer()) {
if (ce instanceof NamedCacheNotFoundException) return false;
if (ce.getCause() != null && ce.getCause() instanceof NamedCacheNotFoundException) return false;
}
return true;
}
public final boolean checkResponse(Object responseObject, Address sender) throws Exception {
Log log = getLog();
if (responseObject instanceof Response) {
Response response = (Response) responseObject;
if (response instanceof ExceptionResponse) {
Exception e = ((ExceptionResponse) response).getException();
if (!(e instanceof RpcException)) {
// if we have any application-level exceptions make sure we throw them!!
if (shouldThrowException(e)) {
throw e;
} else {
if (log.isDebugEnabled()) log.debug("Received exception from sender" + sender, e);
}
}
}
return true;
} else if (responseObject != null) {
// null responses should just be ignored, all other responses should trigger an exception
Class<?> responseClass = responseObject.getClass();
log.tracef("Unexpected response object type from %s: %s", sender, responseClass);
throw new CacheException(String.format("Unexpected response object type from %s: %s", sender, responseClass));
}
return false;
}
protected final boolean parseResponseAndAddToResponseList(Object responseObject, Throwable exception, Map<Address, Response> responseListToAddTo, boolean wasSuspected,
boolean wasReceived, Address sender, boolean usedResponseFilter, boolean ignoreLeavers)
throws Exception
{
Log log = getLog();
boolean invalidResponse = true;
if (!wasSuspected && wasReceived) {
invalidResponse = false;
if (exception != null) {
log.tracef(exception, "Unexpected exception from %s", sender);
throw new CacheException("Remote (" + sender + ") failed unexpectedly", exception);
}
if (checkResponse(responseObject, sender)) responseListToAddTo.put(sender, (Response) responseObject);
} else if (wasSuspected) {
if (!ignoreLeavers) {
throw new SuspectException("Suspected member: " + sender, sender);
} else {
log.tracef("Target node %s left during remote call, ignoring", sender);
}
} else {
// if we have a response filter then we may not have waited for some nodes!
if (!usedResponseFilter) throw new TimeoutException("Replication timeout for " + sender);
}
return invalidResponse;
}
}