/*
* 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.cache.tier.sockets;
import org.apache.geode.DataSerializer;
import org.apache.geode.cache.Cache;
import org.apache.geode.distributed.internal.DM;
import org.apache.geode.distributed.internal.DistributionManager;
import org.apache.geode.distributed.internal.DistributionMessage;
import org.apache.geode.distributed.internal.MessageWithReply;
import org.apache.geode.distributed.internal.PooledDistributionMessage;
import org.apache.geode.distributed.internal.ReplyException;
import org.apache.geode.distributed.internal.ReplyMessage;
import org.apache.geode.distributed.internal.ReplyProcessor21;
import org.apache.geode.internal.cache.CacheServerImpl;
import org.apache.geode.internal.cache.GemFireCacheImpl;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
/**
* A processor for sending client black list message to all nodes from primary. This adds client to
* the blacklist and destroy it's queue if available on node.
*
* @since GemFire 6.0
*
*/
public class ClientBlacklistProcessor extends ReplyProcessor21 {
public static void sendBlacklistedClient(ClientProxyMembershipID proxyId, DM dm, Set members) {
ClientBlacklistProcessor processor = new ClientBlacklistProcessor(dm, members);
ClientBlacklistMessage.send(proxyId, dm, processor, members);
try {
processor.waitForRepliesUninterruptibly();
} catch (ReplyException e) {
e.handleAsUnexpected();
}
return;
}
////////////// Instance methods //////////////
@Override
public void process(DistributionMessage msg) {
super.process(msg);
}
/**
* Creates a new instance of ClientBlacklistProcessor
*/
private ClientBlacklistProcessor(DM dm, Set members) {
super(dm, members);
}
/////////////// Inner message classes //////////////////
public static class ClientBlacklistMessage extends PooledDistributionMessage
implements MessageWithReply {
private int processorId;
private ClientProxyMembershipID proxyId;
protected static void send(ClientProxyMembershipID proxyId, DM dm,
ClientBlacklistProcessor proc, Set members) {
ClientBlacklistMessage msg = new ClientBlacklistMessage();
msg.processorId = proc.getProcessorId();
msg.proxyId = proxyId;
msg.setRecipients(members);
dm.putOutgoing(msg);
}
@Override
public int getProcessorId() {
return this.processorId;
}
public ClientProxyMembershipID getProxyId() {
return this.proxyId;
}
@Override
protected void process(final DistributionManager dm) {
try {
Cache c = GemFireCacheImpl.getInstance();
if (c != null) {
List l = c.getCacheServers();
if (l != null) {
Iterator i = l.iterator();
while (i.hasNext()) {
CacheServerImpl bs = (CacheServerImpl) i.next();
CacheClientNotifier ccn = bs.getAcceptor().getCacheClientNotifier();
// add client to the black list.
ccn.addToBlacklistedClient(this.proxyId);
CacheClientProxy proxy = ccn.getClientProxy(this.proxyId);
if (proxy != null) {
// close the proxy and remove from client proxy list.
proxy.close(false, false);
ccn.removeClientProxy(proxy);
}
}
}
}
} finally {
ClientBlacklistReply reply = new ClientBlacklistReply();
reply.setProcessorId(this.getProcessorId());
reply.setRecipient(getSender());
if (dm.getId().equals(getSender())) {
reply.setSender(getSender());
reply.dmProcess(dm);
} else {
dm.putOutgoing(reply);
}
}
}
public int getDSFID() {
return CLIENT_BLACKLIST_MESSAGE;
}
@Override
protected Object clone() throws CloneNotSupportedException {
return super.clone();
}
@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
super.fromData(in);
this.processorId = in.readInt();
this.proxyId = ClientProxyMembershipID.readCanonicalized(in);
}
@Override
public void toData(DataOutput out) throws IOException {
super.toData(out);
out.writeInt(this.processorId);
DataSerializer.writeObject(this.proxyId, out);
}
@Override
public String toString() {
StringBuffer buff = new StringBuffer();
buff.append("ClientBlacklistMessage (proxyId='").append(this.proxyId).append("' processorId=")
.append(this.processorId).append(")");
return buff.toString();
}
}
public static class ClientBlacklistReply extends ReplyMessage {
}
}