PutAll.java example

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/*
 * 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.
 */
/**
 * Author: Gester Zhou
 */
package org.apache.geode.internal.cache.tier.sockets.command;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.geode.cache.DynamicRegionFactory;
import org.apache.geode.cache.RegionDestroyedException;
import org.apache.geode.cache.ResourceException;
import org.apache.geode.cache.operations.PutAllOperationContext;
import org.apache.geode.cache.operations.internal.UpdateOnlyMap;
import org.apache.geode.distributed.internal.DistributionStats;
import org.apache.geode.internal.cache.CachedDeserializableFactory;
import org.apache.geode.internal.cache.EventID;
import org.apache.geode.internal.cache.LocalRegion;
import org.apache.geode.internal.cache.PartitionedRegion;
import org.apache.geode.internal.cache.PutAllPartialResultException;
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.cache.versions.VersionTag;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.internal.security.AuthorizeRequest;

public class PutAll extends BaseCommand {

  private final static PutAll singleton = new PutAll();


  public static Command getCommand() {
    return singleton;
  }

  private PutAll() {}

  @Override
  public void cmdExecute(Message msg, ServerConnection servConn, long start)
      throws IOException, InterruptedException {
    Part regionNamePart = null, numberOfKeysPart = null, keyPart = null, valuePart = null;
    String regionName = null;
    int numberOfKeys = 0;
    Object key = null;
    Part eventPart = null;
    StringBuffer errMessage = new StringBuffer();
    CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
    CacheServerStats stats = servConn.getCacheServerStats();
    boolean replyWithMetaData = false;

    // requiresResponse = true;
    servConn.setAsTrue(REQUIRES_RESPONSE);
    {
      long oldStart = start;
      start = DistributionStats.getStatTime();
      stats.incReadPutAllRequestTime(start - oldStart);
    }

    try {
      // Retrieve the data from the message parts
      // part 0: region name
      regionNamePart = msg.getPart(0);
      regionName = regionNamePart.getString();

      if (regionName == null) {
        String putAllMsg =
            LocalizedStrings.PutAll_THE_INPUT_REGION_NAME_FOR_THE_PUTALL_REQUEST_IS_NULL
                .toLocalizedString();
        logger.warn("{}: {}", servConn.getName(), putAllMsg);
        errMessage.append(putAllMsg);
        writeErrorResponse(msg, MessageType.PUT_DATA_ERROR, errMessage.toString(), servConn);
        servConn.setAsTrue(RESPONDED);
        return;
      }
      LocalRegion region = (LocalRegion) crHelper.getRegion(regionName);
      if (region == null) {
        String reason = " was not found during put request";
        writeRegionDestroyedEx(msg, regionName, reason, servConn);
        servConn.setAsTrue(RESPONDED);
        return;
      }

      // part 1: eventID
      eventPart = msg.getPart(1);
      ByteBuffer eventIdPartsBuffer = ByteBuffer.wrap(eventPart.getSerializedForm());
      long threadId = EventID.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
      long sequenceId = EventID.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
      EventID eventId = new EventID(servConn.getEventMemberIDByteArray(), threadId, sequenceId);

      // part 2: number of keys
      numberOfKeysPart = msg.getPart(2);
      numberOfKeys = numberOfKeysPart.getInt();

      // building the map
      Map map = new LinkedHashMap();
      // Map isObjectMap = new LinkedHashMap();
      for (int i = 0; i < numberOfKeys; i++) {
        keyPart = msg.getPart(3 + i * 2);
        key = keyPart.getStringOrObject();
        if (key == null) {
          String putAllMsg =
              LocalizedStrings.PutAll_ONE_OF_THE_INPUT_KEYS_FOR_THE_PUTALL_REQUEST_IS_NULL
                  .toLocalizedString();
          logger.warn("{}: {}", servConn.getName(), putAllMsg);
          errMessage.append(putAllMsg);
          writeErrorResponse(msg, MessageType.PUT_DATA_ERROR, errMessage.toString(), servConn);
          servConn.setAsTrue(RESPONDED);
          return;
        }

        valuePart = msg.getPart(3 + i * 2 + 1);
        if (valuePart.isNull()) {
          String putAllMsg =
              LocalizedStrings.PutAll_ONE_OF_THE_INPUT_VALUES_FOR_THE_PUTALL_REQUEST_IS_NULL
                  .toLocalizedString();
          logger.warn("{}: {}", servConn.getName(), putAllMsg);
          errMessage.append(putAllMsg);
          writeErrorResponse(msg, MessageType.PUT_DATA_ERROR, errMessage.toString(), servConn);
          servConn.setAsTrue(RESPONDED);
          return;
        }

        // byte[] value = valuePart.getSerializedForm();
        Object value;
        if (valuePart.isObject()) {
          value = CachedDeserializableFactory.create(valuePart.getSerializedForm());
        } else {
          value = valuePart.getSerializedForm();
        }
        // put serializedform for auth. It will be modified with auth callback
        map.put(key, value);
        // isObjectMap.put(key, new Boolean(isObject));
      } // for

      if (msg.getNumberOfParts() == (3 + 2 * numberOfKeys + 1)) {// it means optional timeout has
                                                                 // been added
        int timeout = msg.getPart(3 + 2 * numberOfKeys).getInt();
        servConn.setRequestSpecificTimeout(timeout);
      }

      this.securityService.authorizeRegionWrite(regionName);

      AuthorizeRequest authzRequest = servConn.getAuthzRequest();
      if (authzRequest != null) {
        if (DynamicRegionFactory.regionIsDynamicRegionList(regionName)) {
          authzRequest.createRegionAuthorize(regionName);
        } else {
          PutAllOperationContext putAllContext =
              authzRequest.putAllAuthorize(regionName, map, null);
          map = putAllContext.getMap();
          if (map instanceof UpdateOnlyMap) {
            map = ((UpdateOnlyMap) map).getInternalMap();
          }
        }
      }

      if (logger.isDebugEnabled()) {
        logger.debug("{}: Received putAll request ({} bytes) from {} for region {}",
            servConn.getName(), msg.getPayloadLength(), servConn.getSocketString(), regionName);
      }

      region.basicBridgePutAll(map, Collections.<Object, VersionTag>emptyMap(),
          servConn.getProxyID(), eventId, false, null);

      if (region instanceof PartitionedRegion) {
        PartitionedRegion pr = (PartitionedRegion) region;
        if (pr.getNetworkHopType() != PartitionedRegion.NETWORK_HOP_NONE) {
          writeReplyWithRefreshMetadata(msg, servConn, pr, pr.getNetworkHopType());
          pr.clearNetworkHopData();
          replyWithMetaData = true;
        }
      }
    } catch (RegionDestroyedException rde) {
      writeException(msg, rde, false, servConn);
      servConn.setAsTrue(RESPONDED);
      return;
    } catch (ResourceException re) {
      writeException(msg, re, false, servConn);
      servConn.setAsTrue(RESPONDED);
      return;
    } catch (PutAllPartialResultException pre) {
      writeException(msg, pre, false, servConn);
      servConn.setAsTrue(RESPONDED);
      return;
    } catch (Exception ce) {
      // If an interrupted exception is thrown , rethrow it
      checkForInterrupt(servConn, ce);

      // If an exception occurs during the put, preserve the connection
      writeException(msg, ce, false, servConn);
      servConn.setAsTrue(RESPONDED);
      logger.warn(LocalizedMessage.create(LocalizedStrings.Generic_0_UNEXPECTED_EXCEPTION,
          servConn.getName()), ce);
      return;
    } finally {
      long oldStart = start;
      start = DistributionStats.getStatTime();
      stats.incProcessPutAllTime(start - oldStart);
    }

    // Increment statistics and write the reply
    if (!replyWithMetaData) {
      writeReply(msg, servConn);
    }
    servConn.setAsTrue(RESPONDED);
    if (logger.isDebugEnabled()) {
      logger.debug("{}: Sent putAll response back to {} for region {}", servConn.getName(),
          servConn.getSocketString(), regionName);
    }
    stats.incWritePutAllResponseTime(DistributionStats.getStatTime() - start);
  }
}