/*
* 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.command;
import org.apache.geode.i18n.LogWriterI18n;
import org.apache.geode.internal.Version;
import org.apache.geode.internal.cache.tier.CachedRegionHelper;
import org.apache.geode.internal.cache.tier.Command;
import org.apache.geode.internal.cache.tier.MessageType;
import org.apache.geode.internal.cache.tier.sockets.*;
import org.apache.geode.distributed.internal.DistributionStats;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import java.io.IOException;
public class Ping extends BaseCommand {
private final static Ping singleton = new Ping();
public static Command getCommand() {
return singleton;
}
private Ping() {}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start) throws IOException {
final boolean isDebugEnabled = logger.isDebugEnabled();
if (isDebugEnabled) {
logger.debug("{}: rcv tx: {} from {} rcvTime: {}", servConn.getName(), msg.getTransactionId(),
servConn.getSocketString(), (DistributionStats.getStatTime() - start));
}
ClientHealthMonitor chm = ClientHealthMonitor.getInstance();
if (chm != null)
chm.receivedPing(servConn.getProxyID());
CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
writeReply(msg, servConn);
servConn.setAsTrue(RESPONDED);
if (isDebugEnabled) {
logger.debug("{}: Sent ping reply to {}", servConn.getName(), servConn.getSocketString());
}
}
@Override
protected void writeReply(Message origMsg, ServerConnection servConn) throws IOException {
Message replyMsg = servConn.getReplyMessage();
servConn.getCache().getCancelCriterion().checkCancelInProgress(null);
replyMsg.setMessageType(MessageType.REPLY);
replyMsg.setNumberOfParts(1);
replyMsg.setTransactionId(origMsg.getTransactionId());
replyMsg.addBytesPart(OK_BYTES);
replyMsg.send(servConn);
if (logger.isTraceEnabled()) {
logger.trace("{}: rpl tx: {}", servConn.getName(), origMsg.getTransactionId());
}
}
}