com.gemstone.gemfire.internal.cache.tier.sockets.command.PeriodicAck Maven / Gradle / Ivy
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SnappyData store based off Pivotal GemFireXD
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed 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. See accompanying
* LICENSE file.
*/
/**
*
*/
package com.gemstone.gemfire.internal.cache.tier.sockets.command;
import com.gemstone.gemfire.internal.cache.EventID;
import com.gemstone.gemfire.internal.cache.tier.Command;
import com.gemstone.gemfire.internal.cache.tier.sockets.*;
import java.io.IOException;
public class PeriodicAck extends BaseCommand {
private final static PeriodicAck singleton = new PeriodicAck();
public static Command getCommand() {
return singleton;
}
private PeriodicAck() {
}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start)
throws IOException, ClassNotFoundException {
servConn.setAsTrue(REQUIRES_RESPONSE);
if (logger.fineEnabled()) {
logger.fine(servConn.getName() + ": Received periodic ack request ("
+ msg.getPayloadLength() + " bytes) from "
+ servConn.getSocketString());
}
try {
int numEvents = msg.getNumberOfParts();
boolean success = false;
CacheClientNotifier ccn = servConn.getAcceptor().getCacheClientNotifier();
CacheClientProxy proxy = ccn.getClientProxy(servConn.getProxyID());
if (proxy != null) {
proxy.getHARegionQueue().createAckedEventsMap();
for (int i = 0; i < numEvents; i++) {
EventID eid = (EventID)msg.getPart(i).getObject();
success = ccn.processDispatchedMessage(servConn.getProxyID(), eid);
if (!success)
break;
}
}
if (success) {
proxy.getHARegionQueue().setAckedEvents();
writeReply(msg, servConn);
servConn.setAsTrue(RESPONDED);
}
}
catch (Exception e) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
}
if (logger.fineEnabled()) {
logger.fine(servConn.getName() + ": Sent periodic ack response for"
+ servConn.getSocketString());
}
}
}