/*
* 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 java.io.IOException;
import org.apache.geode.distributed.internal.DistributionStats;
import org.apache.geode.i18n.LogWriterI18n;
import org.apache.geode.internal.cache.LocalRegion;
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.BaseCommand;
import org.apache.geode.internal.cache.tier.sockets.CacheServerStats;
import org.apache.geode.internal.cache.tier.sockets.Message;
import org.apache.geode.internal.cache.tier.sockets.Part;
import org.apache.geode.internal.cache.tier.sockets.ServerConnection;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.internal.security.AuthorizeRequest;
import org.apache.geode.security.NotAuthorizedException;
public class ContainsKey extends BaseCommand {
private final static ContainsKey singleton = new ContainsKey();
public static Command getCommand() {
return singleton;
}
private static void writeContainsKeyResponse(boolean containsKey, Message origMsg,
ServerConnection servConn) throws IOException {
Message responseMsg = servConn.getResponseMessage();
responseMsg.setMessageType(MessageType.RESPONSE);
responseMsg.setNumberOfParts(1);
responseMsg.setTransactionId(origMsg.getTransactionId());
responseMsg.addObjPart(containsKey ? Boolean.TRUE : Boolean.FALSE);
responseMsg.send(servConn);
}
@Override
public void cmdExecute(Message msg, ServerConnection servConn, long start) throws IOException {
Part regionNamePart = null;
Part keyPart = null;
String regionName = null;
Object key = null;
CacheServerStats stats = servConn.getCacheServerStats();
servConn.setAsTrue(REQUIRES_RESPONSE);
{
long oldStart = start;
start = DistributionStats.getStatTime();
stats.incReadContainsKeyRequestTime(start - oldStart);
}
// Retrieve the data from the message parts
regionNamePart = msg.getPart(0);
keyPart = msg.getPart(1);
regionName = regionNamePart.getString();
try {
key = keyPart.getStringOrObject();
} catch (Exception e) {
writeException(msg, e, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
if (logger.isDebugEnabled()) {
logger.debug("{}: Received containsKey request ({} bytes) from {} for region {} key {}",
servConn.getName(), msg.getPayloadLength(), servConn.getSocketString(), regionName, key);
}
// Process the containsKey request
if (key == null || regionName == null) {
String errMessage = "";
if (key == null) {
logger.warn(LocalizedMessage.create(
LocalizedStrings.ContainsKey_0_THE_INPUT_KEY_FOR_THE_CONTAINSKEY_REQUEST_IS_NULL,
servConn.getName()));
errMessage = LocalizedStrings.ContainsKey_THE_INPUT_KEY_FOR_THE_CONTAINSKEY_REQUEST_IS_NULL
.toLocalizedString();
}
if (regionName == null) {
logger.warn(LocalizedMessage.create(
LocalizedStrings.ContainsKey_0_THE_INPUT_REGION_NAME_FOR_THE_CONTAINSKEY_REQUEST_IS_NULL,
servConn.getName()));
errMessage =
LocalizedStrings.ContainsKey_THE_INPUT_REGION_NAME_FOR_THE_CONTAINSKEY_REQUEST_IS_NULL
.toLocalizedString();
}
writeErrorResponse(msg, MessageType.CONTAINS_KEY_DATA_ERROR, errMessage, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
LocalRegion region = (LocalRegion) servConn.getCache().getRegion(regionName);
if (region == null) {
String reason =
LocalizedStrings.ContainsKey_WAS_NOT_FOUND_DURING_CONTAINSKEY_REQUEST.toLocalizedString();
writeRegionDestroyedEx(msg, regionName, reason, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
try {
this.securityService.authorizeRegionRead(regionName, key.toString());
} catch (NotAuthorizedException ex) {
writeException(msg, ex, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
AuthorizeRequest authzRequest = servConn.getAuthzRequest();
if (authzRequest != null) {
try {
authzRequest.containsKeyAuthorize(regionName, key);
} catch (NotAuthorizedException ex) {
writeException(msg, ex, false, servConn);
servConn.setAsTrue(RESPONDED);
return;
}
}
// Execute the containsKey
boolean containsKey = region.containsKey(key);
// Update the statistics and write the reply
{
long oldStart = start;
start = DistributionStats.getStatTime();
stats.incProcessContainsKeyTime(start - oldStart);
}
writeContainsKeyResponse(containsKey, msg, servConn);
servConn.setAsTrue(RESPONDED);
if (logger.isDebugEnabled()) {
logger.debug("{}: Sent containsKey response for region {} key {}", servConn.getName(),
regionName, key);
}
stats.incWriteContainsKeyResponseTime(DistributionStats.getStatTime() - start);
}
}