Examples with CachedRegionHelper org.apache.geode.internal.cache.tier.CachedRegionHelper used on opensource projects

Example 6 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class Put61 method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection serverConnection, long p_start) throws IOException, InterruptedException {
    long start = p_start;
    Part regionNamePart = null, keyPart = null, valuePart = null, callbackArgPart = null;
    String regionName = null;
    Object callbackArg = null, key = null;
    Part eventPart = null;
    StringBuffer errMessage = new StringBuffer();
    boolean isDelta = false;
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    CacheServerStats stats = serverConnection.getCacheServerStats();
    // requiresResponse = true;
    serverConnection.setAsTrue(REQUIRES_RESPONSE);
    {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incReadPutRequestTime(start - oldStart);
    }
    // Retrieve the data from the message parts
    regionNamePart = clientMessage.getPart(0);
    keyPart = clientMessage.getPart(1);
    try {
        isDelta = (Boolean) clientMessage.getPart(2).getObject();
    } catch (Exception e) {
        writeException(clientMessage, MessageType.PUT_DELTA_ERROR, e, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        // CachePerfStats not available here.
        return;
    }
    valuePart = clientMessage.getPart(3);
    eventPart = clientMessage.getPart(4);
    if (clientMessage.getNumberOfParts() > 5) {
        callbackArgPart = clientMessage.getPart(5);
        try {
            callbackArg = callbackArgPart.getObject();
        } catch (Exception e) {
            writeException(clientMessage, e, false, serverConnection);
            serverConnection.setAsTrue(RESPONDED);
            return;
        }
    }
    regionName = regionNamePart.getString();
    try {
        key = keyPart.getStringOrObject();
    } catch (Exception e) {
        writeException(clientMessage, e, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    final boolean isDebugEnabled = logger.isDebugEnabled();
    if (isDebugEnabled) {
        logger.debug("{}: Received 6.1{}put request ({} bytes) from {} for region {} key {}", serverConnection.getName(), (isDelta ? " delta " : " "), clientMessage.getPayloadLength(), serverConnection.getSocketString(), regionName, key);
    }
    // Process the put request
    if (key == null || regionName == null) {
        if (key == null) {
            String putMsg = " The input key for the 6.1 put request is null";
            if (isDebugEnabled) {
                logger.debug("{}:{}", serverConnection.getName(), putMsg);
            }
            errMessage.append(putMsg);
        }
        if (regionName == null) {
            String putMsg = " The input region name for the 6.1 put request is null";
            if (isDebugEnabled) {
                logger.debug("{}:{}", serverConnection.getName(), putMsg);
            }
            errMessage.append(putMsg);
        }
        writeErrorResponse(clientMessage, MessageType.PUT_DATA_ERROR, errMessage.toString(), serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    LocalRegion region = (LocalRegion) serverConnection.getCache().getRegion(regionName);
    if (region == null) {
        String reason = " was not found during 6.1 put request";
        writeRegionDestroyedEx(clientMessage, regionName, reason, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    if (valuePart.isNull() && region.containsKey(key)) {
        // Invalid to 'put' a null value in an existing key
        String putMsg = " Attempted to 6.1 put a null value for existing key " + key;
        if (isDebugEnabled) {
            logger.debug("{}:{}", serverConnection.getName(), putMsg);
        }
        errMessage.append(putMsg);
        writeErrorResponse(clientMessage, MessageType.PUT_DATA_ERROR, errMessage.toString(), serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    // try {
    // this.eventId = (EventID)eventPart.getObject();
    ByteBuffer eventIdPartsBuffer = ByteBuffer.wrap(eventPart.getSerializedForm());
    long threadId = EventID.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
    long sequenceId = EventID.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
    EventID eventId = new EventID(serverConnection.getEventMemberIDByteArray(), threadId, sequenceId);
    try {
        Object value = null;
        if (!isDelta) {
            value = valuePart.getSerializedForm();
        }
        boolean isObject = valuePart.isObject();
        boolean isMetaRegion = region.isUsedForMetaRegion();
        clientMessage.setMetaRegion(isMetaRegion);
        this.securityService.authorizeRegionWrite(regionName, key.toString());
        AuthorizeRequest authzRequest = null;
        if (!isMetaRegion) {
            authzRequest = serverConnection.getAuthzRequest();
        }
        if (authzRequest != null) {
            if (DynamicRegionFactory.regionIsDynamicRegionList(regionName)) {
                authzRequest.createRegionAuthorize((String) key);
            } else // Allow PUT operations on meta regions (bug #38961)
            {
                PutOperationContext putContext = authzRequest.putAuthorize(regionName, key, value, isObject, callbackArg);
                value = putContext.getValue();
                isObject = putContext.isObject();
                callbackArg = putContext.getCallbackArg();
            }
        }
        // If the value is 1 byte and the byte represents null,
        // attempt to create the entry. This test needs to be
        // moved to DataSerializer or DataSerializer.NULL needs
        // to be publicly accessible.
        boolean result = false;
        if (value == null && !isDelta) {
            // Create the null entry. Since the value is null, the value of the
            // isObject
            // the true after null doesn't matter and is not used.
            result = region.basicBridgeCreate(key, null, true, callbackArg, serverConnection.getProxyID(), true, new EventIDHolder(eventId), false);
        } else {
            // Put the entry
            byte[] delta = null;
            if (isDelta) {
                delta = valuePart.getSerializedForm();
            }
            result = region.basicBridgePut(key, value, delta, isObject, callbackArg, serverConnection.getProxyID(), true, new EventIDHolder(eventId));
        }
        if (result) {
            serverConnection.setModificationInfo(true, regionName, key);
        } else {
            String message = serverConnection.getName() + ": Failed to 6.1 put entry for region " + regionName + " key " + key + " value " + valuePart;
            if (isDebugEnabled) {
                logger.debug(message);
            }
            throw new Exception(message);
        }
    } catch (RegionDestroyedException rde) {
        writeException(clientMessage, rde, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    } catch (ResourceException re) {
        writeException(clientMessage, re, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    } catch (InvalidDeltaException ide) {
        logger.info(LocalizedMessage.create(LocalizedStrings.UpdateOperation_ERROR_APPLYING_DELTA_FOR_KEY_0_OF_REGION_1, new Object[] { key, regionName }));
        writeException(clientMessage, MessageType.PUT_DELTA_ERROR, ide, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        region.getCachePerfStats().incDeltaFullValuesRequested();
        return;
    } catch (Exception ce) {
        // If an interrupted exception is thrown , rethrow it
        checkForInterrupt(serverConnection, ce);
        // If an exception occurs during the put, preserve the connection
        writeException(clientMessage, ce, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        if (ce instanceof GemFireSecurityException) {
            // logged by the security logger
            if (isDebugEnabled) {
                logger.debug("{}: Unexpected Security exception", serverConnection.getName(), ce);
            }
        } else if (isDebugEnabled) {
            logger.debug("{}: Unexpected Exception", serverConnection.getName(), ce);
        }
        return;
    } finally {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incProcessPutTime(start - oldStart);
    }
    // Increment statistics and write the reply
    if (region instanceof PartitionedRegion) {
        PartitionedRegion pr = (PartitionedRegion) region;
        if (pr.getNetworkHopType() != PartitionedRegion.NETWORK_HOP_NONE) {
            writeReplyWithRefreshMetadata(clientMessage, serverConnection, pr, pr.getNetworkHopType());
            pr.clearNetworkHopData();
        } else {
            writeReply(clientMessage, serverConnection);
        }
    } else {
        writeReply(clientMessage, serverConnection);
    }
    serverConnection.setAsTrue(RESPONDED);
    if (isDebugEnabled) {
        logger.debug("{}: Sent 6.1 put response back to {} for region {} key {} value {}", serverConnection.getName(), serverConnection.getSocketString(), regionName, key, valuePart);
    }
    stats.incWritePutResponseTime(DistributionStats.getStatTime() - start);
}

Example 7 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class Request method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection serverConnection, long start) throws IOException {
    Part regionNamePart = null, keyPart = null, valuePart = null;
    String regionName = null;
    Object callbackArg = null, key = null;
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    CacheServerStats stats = serverConnection.getCacheServerStats();
    StringId errMessage = null;
    serverConnection.setAsTrue(REQUIRES_RESPONSE);
    // requiresResponse = true;
    {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incReadGetRequestTime(start - oldStart);
    }
    // Retrieve the data from the message parts
    int parts = clientMessage.getNumberOfParts();
    regionNamePart = clientMessage.getPart(0);
    keyPart = clientMessage.getPart(1);
    // valuePart = null; (redundant assignment)
    if (parts > 2) {
        valuePart = clientMessage.getPart(2);
        try {
            callbackArg = valuePart.getObject();
        } catch (Exception e) {
            writeException(clientMessage, e, false, serverConnection);
            // responded = true;
            serverConnection.setAsTrue(RESPONDED);
            return;
        }
    }
    regionName = regionNamePart.getString();
    try {
        key = keyPart.getStringOrObject();
    } catch (Exception e) {
        writeException(clientMessage, e, false, serverConnection);
        // responded = true;
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    if (logger.isDebugEnabled()) {
        logger.debug("{}: Received get request ({} bytes) from {} for region {} key {} txId {}", serverConnection.getName(), clientMessage.getPayloadLength(), serverConnection.getSocketString(), regionName, key, clientMessage.getTransactionId());
    }
    // Process the get request
    if (key == null || regionName == null) {
        if ((key == null) && (regionName == null)) {
            errMessage = LocalizedStrings.Request_THE_INPUT_REGION_NAME_AND_KEY_FOR_THE_GET_REQUEST_ARE_NULL;
        } else if (key == null) {
            errMessage = LocalizedStrings.Request_THE_INPUT_KEY_FOR_THE_GET_REQUEST_IS_NULL;
        } else if (regionName == null) {
            errMessage = LocalizedStrings.Request_THE_INPUT_REGION_NAME_FOR_THE_GET_REQUEST_IS_NULL;
        }
        String s = errMessage.toLocalizedString();
        logger.warn("{}: {}", serverConnection.getName(), s);
        writeErrorResponse(clientMessage, MessageType.REQUESTDATAERROR, s, serverConnection);
        // responded = true;
        serverConnection.setAsTrue(RESPONDED);
    } else {
        Region region = serverConnection.getCache().getRegion(regionName);
        if (region == null) {
            String reason = LocalizedStrings.Request__0_WAS_NOT_FOUND_DURING_GET_REQUEST.toLocalizedString(regionName);
            writeRegionDestroyedEx(clientMessage, regionName, reason, serverConnection);
            serverConnection.setAsTrue(RESPONDED);
        } else {
            GetOperationContext getContext = null;
            try {
                this.securityService.authorizeRegionRead(regionName, key.toString());
                AuthorizeRequest authzRequest = serverConnection.getAuthzRequest();
                if (authzRequest != null) {
                    getContext = authzRequest.getAuthorize(regionName, key, callbackArg);
                    callbackArg = getContext.getCallbackArg();
                }
            } catch (NotAuthorizedException ex) {
                writeException(clientMessage, ex, false, serverConnection);
                serverConnection.setAsTrue(RESPONDED);
                return;
            }
            // Get the value and update the statistics. Do not deserialize
            // the value if it is a byte[].
            Object[] valueAndIsObject = new Object[3];
            try {
                getValueAndIsObject(region, key, callbackArg, serverConnection, valueAndIsObject);
            } catch (Exception e) {
                writeException(clientMessage, e, false, serverConnection);
                serverConnection.setAsTrue(RESPONDED);
                return;
            }
            Object data = valueAndIsObject[0];
            boolean isObject = ((Boolean) valueAndIsObject[1]).booleanValue();
            try {
                AuthorizeRequestPP postAuthzRequest = serverConnection.getPostAuthzRequest();
                if (postAuthzRequest != null) {
                    getContext = postAuthzRequest.getAuthorize(regionName, key, data, isObject, getContext);
                    byte[] serializedValue = getContext.getSerializedValue();
                    if (serializedValue == null) {
                        data = getContext.getObject();
                    } else {
                        data = serializedValue;
                    }
                    isObject = getContext.isObject();
                }
            } catch (NotAuthorizedException ex) {
                writeException(clientMessage, ex, false, serverConnection);
                serverConnection.setAsTrue(RESPONDED);
                return;
            }
            {
                long oldStart = start;
                start = DistributionStats.getStatTime();
                stats.incProcessGetTime(start - oldStart);
            }
            if (region instanceof PartitionedRegion) {
                PartitionedRegion pr = (PartitionedRegion) region;
                if (pr.getNetworkHopType() != PartitionedRegion.NETWORK_HOP_NONE) {
                    writeResponseWithRefreshMetadata(data, callbackArg, clientMessage, isObject, serverConnection, pr, pr.getNetworkHopType());
                    pr.clearNetworkHopData();
                } else {
                    writeResponse(data, callbackArg, clientMessage, isObject, serverConnection);
                }
            } else {
                writeResponse(data, callbackArg, clientMessage, isObject, serverConnection);
            }
            serverConnection.setAsTrue(RESPONDED);
            if (logger.isDebugEnabled()) {
                logger.debug("{}: Wrote get response back to {} for region {} key {} value: {}", serverConnection.getName(), serverConnection.getSocketString(), regionName, key, data);
            }
            stats.incWriteGetResponseTime(DistributionStats.getStatTime() - start);
        }
    }
}

Example 8 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class BaseCommand method handleIOException.

private static void handleIOException(Message msg, ServerConnection serverConnection, Exception e) {
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    boolean potentialModification = serverConnection.getPotentialModification();
    if (!crHelper.isShutdown() && serverConnection.isOpen()) {
        if (!SUPPRESS_IO_EXCEPTION_LOGGING) {
            if (potentialModification) {
                int transId = msg != null ? msg.getTransactionId() : Integer.MIN_VALUE;
                logger.warn(LocalizedMessage.create(LocalizedStrings.BaseCommand_0_UNEXPECTED_IOEXCEPTION_DURING_OPERATION_FOR_REGION_1_KEY_2_MESSID_3, new Object[] { serverConnection.getName(), serverConnection.getModRegion(), serverConnection.getModKey(), transId }), e);
            } else {
                logger.warn(LocalizedMessage.create(LocalizedStrings.BaseCommand_0_UNEXPECTED_IOEXCEPTION, serverConnection.getName()), e);
            }
        }
    }
    serverConnection.setFlagProcessMessagesAsFalse();
    serverConnection.setClientDisconnectedException(e);
}

Example 9 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class GatewayReceiverCommand method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection serverConnection, long start) throws IOException, InterruptedException {
    Part regionNamePart = null, keyPart = null, valuePart = null, callbackArgPart = null;
    String regionName = null;
    Object callbackArg = null, key = null;
    int partNumber = 0;
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    GatewayReceiverStats stats = (GatewayReceiverStats) serverConnection.getCacheServerStats();
    EventID eventId = null;
    LocalRegion region = null;
    List<BatchException70> exceptions = new ArrayList<BatchException70>();
    Throwable fatalException = null;
    // requiresResponse = true;// let PROCESS_BATCH deal with this itself
    {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incReadProcessBatchRequestTime(start - oldStart);
    }
    Part callbackArgExistsPart;
    // Get early ack flag. This test should eventually be moved up above this switch
    // statement so that all messages can take advantage of it.
    // msg.getEarlyAck();
    boolean earlyAck = false;
    stats.incBatchSize(clientMessage.getPayloadLength());
    // Retrieve the number of events
    Part numberOfEventsPart = clientMessage.getPart(0);
    int numberOfEvents = numberOfEventsPart.getInt();
    stats.incEventsReceived(numberOfEvents);
    // Retrieve the batch id
    Part batchIdPart = clientMessage.getPart(1);
    int batchId = batchIdPart.getInt();
    // Instead, drop the batch and continue.
    if (batchId <= serverConnection.getLatestBatchIdReplied()) {
        if (GatewayReceiver.APPLY_RETRIES) {
            // Do nothing!!!
            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_RECEIVED_PROCESS_BATCH_REQUEST_0_THAT_HAS_ALREADY_BEEN_OR_IS_BEING_PROCESSED_GEMFIRE_GATEWAY_APPLYRETRIES_IS_SET_SO_THIS_BATCH_WILL_BE_PROCESSED_ANYWAY, batchId));
        } else {
            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_RECEIVED_PROCESS_BATCH_REQUEST_0_THAT_HAS_ALREADY_BEEN_OR_IS_BEING_PROCESSED__THIS_PROCESS_BATCH_REQUEST_IS_BEING_IGNORED, batchId));
            writeReply(clientMessage, serverConnection, batchId, numberOfEvents);
            return;
        }
        stats.incDuplicateBatchesReceived();
    }
    // Verify the batches arrive in order
    if (batchId != serverConnection.getLatestBatchIdReplied() + 1) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_RECEIVED_PROCESS_BATCH_REQUEST_0_OUT_OF_ORDER_THE_ID_OF_THE_LAST_BATCH_PROCESSED_WAS_1_THIS_BATCH_REQUEST_WILL_BE_PROCESSED_BUT_SOME_MESSAGES_MAY_HAVE_BEEN_LOST, new Object[] { batchId, serverConnection.getLatestBatchIdReplied() }));
        stats.incOutoforderBatchesReceived();
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Received process batch request {} that will be processed.", batchId);
    }
    // Not sure if earlyAck makes sense with sliding window
    if (earlyAck) {
        serverConnection.incrementLatestBatchIdReplied(batchId);
        // writeReply(msg, servConn);
        // servConn.setAsTrue(RESPONDED);
        {
            long oldStart = start;
            start = DistributionStats.getStatTime();
            stats.incWriteProcessBatchResponseTime(start - oldStart);
        }
        stats.incEarlyAcks();
    }
    if (logger.isDebugEnabled()) {
        logger.debug("{}: Received process batch request {} containing {} events ({} bytes) with {} acknowledgement on {}", serverConnection.getName(), batchId, numberOfEvents, clientMessage.getPayloadLength(), (earlyAck ? "early" : "normal"), serverConnection.getSocketString());
        if (earlyAck) {
            logger.debug("{}: Sent process batch early response for batch {} containing {} events ({} bytes) with {} acknowledgement on {}", serverConnection.getName(), batchId, numberOfEvents, clientMessage.getPayloadLength(), (earlyAck ? "early" : "normal"), serverConnection.getSocketString());
        }
    }
    // logger.warn("Received process batch request " + batchId + " containing
    // " + numberOfEvents + " events (" + msg.getPayloadLength() + " bytes) with
    // " + (earlyAck ? "early" : "normal") + " acknowledgement on " +
    // getSocketString());
    // if (earlyAck) {
    // logger.warn("Sent process batch early response for batch " + batchId +
    // " containing " + numberOfEvents + " events (" + msg.getPayloadLength() +
    // " bytes) with " + (earlyAck ? "early" : "normal") + " acknowledgement on
    // " + getSocketString());
    // }
    // Retrieve the events from the message parts. The '2' below
    // represents the number of events (part0) and the batchId (part1)
    partNumber = 2;
    int dsid = clientMessage.getPart(partNumber++).getInt();
    boolean removeOnException = clientMessage.getPart(partNumber++).getSerializedForm()[0] == 1 ? true : false;
    // Keep track of whether a response has been written for
    // exceptions
    boolean wroteResponse = earlyAck;
    // event received in batch also have PDX events at the start of the batch,to
    // represent correct index on which the exception occurred, number of PDX
    // events need to be subtratced.
    //
    int indexWithoutPDXEvent = -1;
    for (int i = 0; i < numberOfEvents; i++) {
        boolean isPdxEvent = false;
        indexWithoutPDXEvent++;
        // System.out.println("Processing event " + i + " in batch " + batchId + "
        // starting with part number " + partNumber);
        Part actionTypePart = clientMessage.getPart(partNumber);
        int actionType = actionTypePart.getInt();
        long versionTimeStamp = VersionTag.ILLEGAL_VERSION_TIMESTAMP;
        EventIDHolder clientEvent = null;
        boolean callbackArgExists = false;
        try {
            Part possibleDuplicatePart = clientMessage.getPart(partNumber + 1);
            byte[] possibleDuplicatePartBytes;
            try {
                possibleDuplicatePartBytes = (byte[]) possibleDuplicatePart.getObject();
            } catch (Exception e) {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                throw e;
            }
            boolean possibleDuplicate = possibleDuplicatePartBytes[0] == 0x01;
            // Make sure instance variables are null before each iteration
            regionName = null;
            key = null;
            callbackArg = null;
            // Retrieve the region name from the message parts
            regionNamePart = clientMessage.getPart(partNumber + 2);
            regionName = regionNamePart.getString();
            if (regionName.equals(PeerTypeRegistration.REGION_FULL_PATH)) {
                indexWithoutPDXEvent--;
                isPdxEvent = true;
            }
            // Retrieve the event id from the message parts
            // This was going to be used to determine possible
            // duplication of events, but it is unused now. In
            // fact the event id is overridden by the FROM_GATEWAY
            // token.
            Part eventIdPart = clientMessage.getPart(partNumber + 3);
            eventIdPart.setVersion(serverConnection.getClientVersion());
            // String eventId = eventIdPart.getString();
            try {
                eventId = (EventID) eventIdPart.getObject();
            } catch (Exception e) {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                throw e;
            }
            // Retrieve the key from the message parts
            keyPart = clientMessage.getPart(partNumber + 4);
            try {
                key = keyPart.getStringOrObject();
            } catch (Exception e) {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                throw e;
            }
            switch(actionType) {
                case // Create
                0:
                    /*
             * CLIENT EXCEPTION HANDLING TESTING CODE String keySt = (String) key;
             * System.out.println("Processing new key: " + key); if (keySt.startsWith("failure")) {
             * throw new Exception(LocalizedStrings
             * .ProcessBatch_THIS_EXCEPTION_REPRESENTS_A_FAILURE_ON_THE_SERVER
             * .toLocalizedString()); }
             */
                    // Retrieve the value from the message parts (do not deserialize it)
                    valuePart = clientMessage.getPart(partNumber + 5);
                    // try {
                    // logger.warn(getName() + ": Creating key " + key + " value " +
                    // valuePart.getObject());
                    // } catch (Exception e) {}
                    // Retrieve the callbackArg from the message parts if necessary
                    int index = partNumber + 6;
                    callbackArgExistsPart = clientMessage.getPart(index++);
                    {
                        byte[] partBytes = (byte[]) callbackArgExistsPart.getObject();
                        callbackArgExists = partBytes[0] == 0x01;
                    }
                    if (callbackArgExists) {
                        callbackArgPart = clientMessage.getPart(index++);
                        try {
                            callbackArg = callbackArgPart.getObject();
                        } catch (Exception e) {
                            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_CREATE_REQUEST_1_FOR_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                            throw e;
                        }
                    }
                    if (logger.isDebugEnabled()) {
                        logger.debug("{}: Processing batch create request {} on {} for region {} key {} value {} callbackArg {}, eventId={}", serverConnection.getName(), batchId, serverConnection.getSocketString(), regionName, key, valuePart, callbackArg, eventId);
                    }
                    versionTimeStamp = clientMessage.getPart(index++).getLong();
                    // Process the create request
                    if (key == null || regionName == null) {
                        StringId message = null;
                        Object[] messageArgs = new Object[] { serverConnection.getName(), Integer.valueOf(batchId) };
                        if (key == null) {
                            message = LocalizedStrings.ProcessBatch_0_THE_INPUT_REGION_NAME_FOR_THE_BATCH_CREATE_REQUEST_1_IS_NULL;
                        }
                        if (regionName == null) {
                            message = LocalizedStrings.ProcessBatch_0_THE_INPUT_REGION_NAME_FOR_THE_BATCH_CREATE_REQUEST_1_IS_NULL;
                        }
                        String s = message.toLocalizedString(messageArgs);
                        logger.warn(s);
                        throw new Exception(s);
                    }
                    region = (LocalRegion) crHelper.getRegion(regionName);
                    if (region == null) {
                        handleRegionNull(serverConnection, regionName, batchId);
                    } else {
                        clientEvent = new EventIDHolder(eventId);
                        if (versionTimeStamp > 0) {
                            VersionTag tag = VersionTag.create(region.getVersionMember());
                            tag.setIsGatewayTag(true);
                            tag.setVersionTimeStamp(versionTimeStamp);
                            tag.setDistributedSystemId(dsid);
                            clientEvent.setVersionTag(tag);
                        }
                        clientEvent.setPossibleDuplicate(possibleDuplicate);
                        handleMessageRetry(region, clientEvent);
                        try {
                            byte[] value = valuePart.getSerializedForm();
                            boolean isObject = valuePart.isObject();
                            // [sumedh] This should be done on client while sending
                            // since that is the WAN gateway
                            AuthorizeRequest authzRequest = serverConnection.getAuthzRequest();
                            if (authzRequest != null) {
                                PutOperationContext putContext = authzRequest.putAuthorize(regionName, key, value, isObject, callbackArg);
                                value = putContext.getSerializedValue();
                                isObject = putContext.isObject();
                            }
                            // Attempt to create the entry
                            boolean result = false;
                            if (isPdxEvent) {
                                result = addPdxType(crHelper, key, value);
                            } else {
                                result = region.basicBridgeCreate(key, value, isObject, callbackArg, serverConnection.getProxyID(), false, clientEvent, false);
                                // attempt to update the entry
                                if (!result) {
                                    result = region.basicBridgePut(key, value, null, isObject, callbackArg, serverConnection.getProxyID(), false, clientEvent);
                                }
                            }
                            if (result || clientEvent.isConcurrencyConflict()) {
                                serverConnection.setModificationInfo(true, regionName, key);
                                stats.incCreateRequest();
                            } else {
                                // This exception will be logged in the catch block below
                                throw new Exception(LocalizedStrings.ProcessBatch_0_FAILED_TO_CREATE_OR_UPDATE_ENTRY_FOR_REGION_1_KEY_2_VALUE_3_CALLBACKARG_4.toLocalizedString(new Object[] { serverConnection.getName(), regionName, key, valuePart, callbackArg }));
                            }
                        } catch (Exception e) {
                            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_CREATE_REQUEST_1_FOR_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                            throw e;
                        }
                    }
                    break;
                case // Update
                1:
                    /*
             * CLIENT EXCEPTION HANDLING TESTING CODE keySt = (String) key;
             * System.out.println("Processing updated key: " + key); if
             * (keySt.startsWith("failure")) { throw new Exception(LocalizedStrings
             * .ProcessBatch_THIS_EXCEPTION_REPRESENTS_A_FAILURE_ON_THE_SERVER
             * .toLocalizedString()); }
             */
                    // Retrieve the value from the message parts (do not deserialize it)
                    valuePart = clientMessage.getPart(partNumber + 5);
                    // try {
                    // logger.warn(getName() + ": Updating key " + key + " value " +
                    // valuePart.getObject());
                    // } catch (Exception e) {}
                    // Retrieve the callbackArg from the message parts if necessary
                    index = partNumber + 6;
                    callbackArgExistsPart = clientMessage.getPart(index++);
                    {
                        byte[] partBytes = (byte[]) callbackArgExistsPart.getObject();
                        callbackArgExists = partBytes[0] == 0x01;
                    }
                    if (callbackArgExists) {
                        callbackArgPart = clientMessage.getPart(index++);
                        try {
                            callbackArg = callbackArgPart.getObject();
                        } catch (Exception e) {
                            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_UPDATE_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                            throw e;
                        }
                    }
                    versionTimeStamp = clientMessage.getPart(index++).getLong();
                    if (logger.isDebugEnabled()) {
                        logger.debug("{}: Processing batch update request {} on {} for region {} key {} value {} callbackArg {}", serverConnection.getName(), batchId, serverConnection.getSocketString(), regionName, key, valuePart, callbackArg);
                    }
                    // Process the update request
                    if (key == null || regionName == null) {
                        StringId message = null;
                        Object[] messageArgs = new Object[] { serverConnection.getName(), Integer.valueOf(batchId) };
                        if (key == null) {
                            message = LocalizedStrings.ProcessBatch_0_THE_INPUT_KEY_FOR_THE_BATCH_UPDATE_REQUEST_1_IS_NULL;
                        }
                        if (regionName == null) {
                            message = LocalizedStrings.ProcessBatch_0_THE_INPUT_REGION_NAME_FOR_THE_BATCH_UPDATE_REQUEST_1_IS_NULL;
                        }
                        String s = message.toLocalizedString(messageArgs);
                        logger.warn(s);
                        throw new Exception(s);
                    }
                    region = (LocalRegion) crHelper.getRegion(regionName);
                    if (region == null) {
                        handleRegionNull(serverConnection, regionName, batchId);
                    } else {
                        clientEvent = new EventIDHolder(eventId);
                        if (versionTimeStamp > 0) {
                            VersionTag tag = VersionTag.create(region.getVersionMember());
                            tag.setIsGatewayTag(true);
                            tag.setVersionTimeStamp(versionTimeStamp);
                            tag.setDistributedSystemId(dsid);
                            clientEvent.setVersionTag(tag);
                        }
                        clientEvent.setPossibleDuplicate(possibleDuplicate);
                        handleMessageRetry(region, clientEvent);
                        try {
                            byte[] value = valuePart.getSerializedForm();
                            boolean isObject = valuePart.isObject();
                            AuthorizeRequest authzRequest = serverConnection.getAuthzRequest();
                            if (authzRequest != null) {
                                PutOperationContext putContext = authzRequest.putAuthorize(regionName, key, value, isObject, callbackArg, PutOperationContext.UPDATE);
                                value = putContext.getSerializedValue();
                                isObject = putContext.isObject();
                            }
                            boolean result = false;
                            if (isPdxEvent) {
                                result = addPdxType(crHelper, key, value);
                            } else {
                                result = region.basicBridgePut(key, value, null, isObject, callbackArg, serverConnection.getProxyID(), false, clientEvent);
                            }
                            if (result || clientEvent.isConcurrencyConflict()) {
                                serverConnection.setModificationInfo(true, regionName, key);
                                stats.incUpdateRequest();
                            } else {
                                final Object[] msgArgs = new Object[] { serverConnection.getName(), regionName, key, valuePart, callbackArg };
                                final StringId message = LocalizedStrings.ProcessBatch_0_FAILED_TO_UPDATE_ENTRY_FOR_REGION_1_KEY_2_VALUE_3_AND_CALLBACKARG_4;
                                String s = message.toLocalizedString(msgArgs);
                                logger.info(s);
                                throw new Exception(s);
                            }
                        } catch (CancelException e) {
                            // FIXME better exception hierarchy would avoid this check
                            if (serverConnection.getCachedRegionHelper().getCache().getCancelCriterion().isCancelInProgress()) {
                                if (logger.isDebugEnabled()) {
                                    logger.debug("{} ignoring message of type {} from client {} because shutdown occurred during message processing.", serverConnection.getName(), MessageType.getString(clientMessage.getMessageType()), serverConnection.getProxyID());
                                }
                                serverConnection.setFlagProcessMessagesAsFalse();
                                serverConnection.setClientDisconnectedException(e);
                            } else {
                                throw e;
                            }
                            return;
                        } catch (Exception e) {
                            // Preserve the connection under all circumstances
                            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_UPDATE_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                            throw e;
                        }
                    }
                    break;
                case // Destroy
                2:
                    // Retrieve the callbackArg from the message parts if necessary
                    index = partNumber + 5;
                    callbackArgExistsPart = clientMessage.getPart(index++);
                    {
                        byte[] partBytes = (byte[]) callbackArgExistsPart.getObject();
                        callbackArgExists = partBytes[0] == 0x01;
                    }
                    if (callbackArgExists) {
                        callbackArgPart = clientMessage.getPart(index++);
                        try {
                            callbackArg = callbackArgPart.getObject();
                        } catch (Exception e) {
                            logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_DESTROY_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                            throw e;
                        }
                    }
                    versionTimeStamp = clientMessage.getPart(index++).getLong();
                    if (logger.isDebugEnabled()) {
                        logger.debug("{}: Processing batch destroy request {} on {} for region {} key {}", serverConnection.getName(), batchId, serverConnection.getSocketString(), regionName, key);
                    }
                    // Process the destroy request
                    if (key == null || regionName == null) {
                        StringId message = null;
                        if (key == null) {
                            message = LocalizedStrings.ProcessBatch_0_THE_INPUT_KEY_FOR_THE_BATCH_DESTROY_REQUEST_1_IS_NULL;
                        }
                        if (regionName == null) {
                            message = LocalizedStrings.ProcessBatch_0_THE_INPUT_REGION_NAME_FOR_THE_BATCH_DESTROY_REQUEST_1_IS_NULL;
                        }
                        Object[] messageArgs = new Object[] { serverConnection.getName(), Integer.valueOf(batchId) };
                        String s = message.toLocalizedString(messageArgs);
                        logger.warn(s);
                        throw new Exception(s);
                    }
                    region = (LocalRegion) crHelper.getRegion(regionName);
                    if (region == null) {
                        handleRegionNull(serverConnection, regionName, batchId);
                    } else {
                        clientEvent = new EventIDHolder(eventId);
                        if (versionTimeStamp > 0) {
                            VersionTag tag = VersionTag.create(region.getVersionMember());
                            tag.setIsGatewayTag(true);
                            tag.setVersionTimeStamp(versionTimeStamp);
                            tag.setDistributedSystemId(dsid);
                            clientEvent.setVersionTag(tag);
                        }
                        handleMessageRetry(region, clientEvent);
                        // Destroy the entry
                        try {
                            AuthorizeRequest authzRequest = serverConnection.getAuthzRequest();
                            if (authzRequest != null) {
                                DestroyOperationContext destroyContext = authzRequest.destroyAuthorize(regionName, key, callbackArg);
                                callbackArg = destroyContext.getCallbackArg();
                            }
                            region.basicBridgeDestroy(key, callbackArg, serverConnection.getProxyID(), false, clientEvent);
                            serverConnection.setModificationInfo(true, regionName, key);
                            stats.incDestroyRequest();
                        } catch (EntryNotFoundException e) {
                            logger.info(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_DURING_BATCH_DESTROY_NO_ENTRY_WAS_FOUND_FOR_KEY_1, new Object[] { serverConnection.getName(), key }));
                        // throw new Exception(e);
                        }
                    }
                    break;
                case // Update Time-stamp for a RegionEntry
                3:
                    try {
                        // Region name
                        regionNamePart = clientMessage.getPart(partNumber + 2);
                        regionName = regionNamePart.getString();
                        // Retrieve the event id from the message parts
                        eventIdPart = clientMessage.getPart(partNumber + 3);
                        eventId = (EventID) eventIdPart.getObject();
                        // Retrieve the key from the message parts
                        keyPart = clientMessage.getPart(partNumber + 4);
                        key = keyPart.getStringOrObject();
                        // Retrieve the callbackArg from the message parts if necessary
                        index = partNumber + 5;
                        callbackArgExistsPart = clientMessage.getPart(index++);
                        byte[] partBytes = (byte[]) callbackArgExistsPart.getObject();
                        callbackArgExists = partBytes[0] == 0x01;
                        if (callbackArgExists) {
                            callbackArgPart = clientMessage.getPart(index++);
                            callbackArg = callbackArgPart.getObject();
                        }
                    } catch (Exception e) {
                        logger.warn(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_UPDATE_VERSION_REQUEST_1_CONTAINING_2_EVENTS, new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) }), e);
                        throw e;
                    }
                    versionTimeStamp = clientMessage.getPart(index++).getLong();
                    if (logger.isDebugEnabled()) {
                        logger.debug("{}: Processing batch update-version request {} on {} for region {} key {} value {} callbackArg {}", serverConnection.getName(), batchId, serverConnection.getSocketString(), regionName, key, valuePart, callbackArg);
                    }
                    // Process the update time-stamp request
                    if (key == null || regionName == null) {
                        StringId message = LocalizedStrings.ProcessBatch_0_CAUGHT_EXCEPTION_PROCESSING_BATCH_UPDATE_VERSION_REQUEST_1_CONTAINING_2_EVENTS;
                        Object[] messageArgs = new Object[] { serverConnection.getName(), Integer.valueOf(batchId), Integer.valueOf(numberOfEvents) };
                        String s = message.toLocalizedString(messageArgs);
                        logger.warn(s);
                        throw new Exception(s);
                    } else {
                        region = (LocalRegion) crHelper.getRegion(regionName);
                        if (region == null) {
                            handleRegionNull(serverConnection, regionName, batchId);
                        } else {
                            clientEvent = new EventIDHolder(eventId);
                            if (versionTimeStamp > 0) {
                                VersionTag tag = VersionTag.create(region.getVersionMember());
                                tag.setIsGatewayTag(true);
                                tag.setVersionTimeStamp(versionTimeStamp);
                                tag.setDistributedSystemId(dsid);
                                clientEvent.setVersionTag(tag);
                            }
                            // Update the version tag
                            try {
                                region.basicBridgeUpdateVersionStamp(key, callbackArg, serverConnection.getProxyID(), false, clientEvent);
                            } catch (EntryNotFoundException e) {
                                logger.info(LocalizedMessage.create(LocalizedStrings.ProcessBatch_0_DURING_BATCH_UPDATE_VERSION_NO_ENTRY_WAS_FOUND_FOR_KEY_1, new Object[] { serverConnection.getName(), key }));
                            // throw new Exception(e);
                            }
                        }
                    }
                    break;
                default:
                    logger.fatal(LocalizedMessage.create(LocalizedStrings.Processbatch_0_UNKNOWN_ACTION_TYPE_1_FOR_BATCH_FROM_2, new Object[] { serverConnection.getName(), Integer.valueOf(actionType), serverConnection.getSocketString() }));
                    stats.incUnknowsOperationsReceived();
            }
        } catch (CancelException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} ignoring message of type {} from client {} because shutdown occurred during message processing.", serverConnection.getName(), MessageType.getString(clientMessage.getMessageType()), serverConnection.getProxyID());
            }
            serverConnection.setFlagProcessMessagesAsFalse();
            serverConnection.setClientDisconnectedException(e);
            return;
        } catch (Exception e) {
            // If an interrupted exception is thrown , rethrow it
            checkForInterrupt(serverConnection, e);
            // If we have an issue with the PDX registry, stop processing more data
            if (e.getCause() instanceof PdxRegistryMismatchException) {
                fatalException = e.getCause();
                logger.fatal(LocalizedMessage.create(LocalizedStrings.GatewayReceiver_PDX_CONFIGURATION, new Object[] { serverConnection.getMembershipID() }), e.getCause());
                break;
            }
            // write the batch exception to the caller and break
            if (!wroteResponse) {
                // Increment the batch id unless the received batch id is -1 (a
                // failover batch)
                DistributedSystem ds = crHelper.getCache().getDistributedSystem();
                String exceptionMessage = LocalizedStrings.GatewayReceiver_EXCEPTION_WHILE_PROCESSING_BATCH.toLocalizedString(new Object[] { ((InternalDistributedSystem) ds).getDistributionManager().getDistributedSystemId(), ds.getDistributedMember() });
                BatchException70 be = new BatchException70(exceptionMessage, e, indexWithoutPDXEvent, batchId);
                exceptions.add(be);
                if (!removeOnException) {
                    break;
                }
            // servConn.setAsTrue(RESPONDED);
            // wroteResponse = true;
            // break;
            } else {
                // occurred.
                return;
            }
        } finally {
            // Increment the partNumber
            if (actionType == 0 || /* create */
            actionType == 1) /* update */
            {
                if (callbackArgExists) {
                    partNumber += 9;
                } else {
                    partNumber += 8;
                }
            } else if (actionType == 2) /* destroy */
            {
                if (callbackArgExists) {
                    partNumber += 8;
                } else {
                    partNumber += 7;
                }
            } else if (actionType == 3) /* update-version */
            {
                if (callbackArgExists) {
                    partNumber += 8;
                } else {
                    partNumber += 7;
                }
            }
        }
    }
    {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incProcessBatchTime(start - oldStart);
    }
    if (fatalException != null) {
        serverConnection.incrementLatestBatchIdReplied(batchId);
        writeFatalException(clientMessage, fatalException, serverConnection, batchId);
        serverConnection.setAsTrue(RESPONDED);
    } else if (!exceptions.isEmpty()) {
        serverConnection.incrementLatestBatchIdReplied(batchId);
        writeBatchException(clientMessage, exceptions, serverConnection, batchId);
        serverConnection.setAsTrue(RESPONDED);
    } else if (!wroteResponse) {
        // Increment the batch id unless the received batch id is -1 (a failover
        // batch)
        serverConnection.incrementLatestBatchIdReplied(batchId);
        writeReply(clientMessage, serverConnection, batchId, numberOfEvents);
        serverConnection.setAsTrue(RESPONDED);
        stats.incWriteProcessBatchResponseTime(DistributionStats.getStatTime() - start);
        if (logger.isDebugEnabled()) {
            logger.debug("{}: Sent process batch normal response for batch {} containing {} events ({} bytes) with {} acknowledgement on {}", serverConnection.getName(), batchId, numberOfEvents, clientMessage.getPayloadLength(), (earlyAck ? "early" : "normal"), serverConnection.getSocketString());
        }
    // logger.warn("Sent process batch normal response for batch " +
    // batchId + " containing " + numberOfEvents + " events (" +
    // msg.getPayloadLength() + " bytes) with " + (earlyAck ? "early" :
    // "normal") + " acknowledgement on " + getSocketString());
    }
}

Example 10 with CachedRegionHelper

use of org.apache.geode.internal.cache.tier.CachedRegionHelper in project geode by apache.

the class Get70 method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection serverConnection, long startparam) throws IOException {
    long start = startparam;
    Part regionNamePart = null, keyPart = null, valuePart = null;
    String regionName = null;
    Object callbackArg = null, key = null;
    CachedRegionHelper crHelper = serverConnection.getCachedRegionHelper();
    CacheServerStats stats = serverConnection.getCacheServerStats();
    StringId errMessage = null;
    serverConnection.setAsTrue(REQUIRES_RESPONSE);
    // requiresResponse = true;
    {
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incReadGetRequestTime(start - oldStart);
    }
    // Retrieve the data from the message parts
    int parts = clientMessage.getNumberOfParts();
    regionNamePart = clientMessage.getPart(0);
    keyPart = clientMessage.getPart(1);
    // valuePart = null; (redundant assignment)
    if (parts > 2) {
        valuePart = clientMessage.getPart(2);
        try {
            callbackArg = valuePart.getObject();
        } catch (Exception e) {
            writeException(clientMessage, e, false, serverConnection);
            // responded = true;
            serverConnection.setAsTrue(RESPONDED);
            return;
        }
    }
    regionName = regionNamePart.getString();
    try {
        key = keyPart.getStringOrObject();
    } catch (Exception e) {
        writeException(clientMessage, e, false, serverConnection);
        // responded = true;
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    if (logger.isDebugEnabled()) {
        logger.debug("{}: Received 7.0 get request ({} bytes) from {} for region {} key {} txId {}", serverConnection.getName(), clientMessage.getPayloadLength(), serverConnection.getSocketString(), regionName, key, clientMessage.getTransactionId());
    }
    // Process the get request
    if (key == null || regionName == null) {
        if ((key == null) && (regionName == null)) {
            errMessage = LocalizedStrings.Request_THE_INPUT_REGION_NAME_AND_KEY_FOR_THE_GET_REQUEST_ARE_NULL;
        } else if (key == null) {
            errMessage = LocalizedStrings.Request_THE_INPUT_KEY_FOR_THE_GET_REQUEST_IS_NULL;
        } else if (regionName == null) {
            errMessage = LocalizedStrings.Request_THE_INPUT_REGION_NAME_FOR_THE_GET_REQUEST_IS_NULL;
        }
        String s = errMessage.toLocalizedString();
        logger.warn("{}: {}", serverConnection.getName(), s);
        writeErrorResponse(clientMessage, MessageType.REQUESTDATAERROR, s, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    Region region = serverConnection.getCache().getRegion(regionName);
    if (region == null) {
        String reason = LocalizedStrings.Request__0_WAS_NOT_FOUND_DURING_GET_REQUEST.toLocalizedString(regionName);
        writeRegionDestroyedEx(clientMessage, regionName, reason, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    GetOperationContext getContext = null;
    try {
        // for integrated security
        this.securityService.authorizeRegionRead(regionName, key.toString());
        AuthorizeRequest authzRequest = serverConnection.getAuthzRequest();
        if (authzRequest != null) {
            getContext = authzRequest.getAuthorize(regionName, key, callbackArg);
            callbackArg = getContext.getCallbackArg();
        }
    } catch (NotAuthorizedException ex) {
        writeException(clientMessage, ex, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    // Get the value and update the statistics. Do not deserialize
    // the value if it is a byte[].
    Entry entry;
    try {
        entry = getEntry(region, key, callbackArg, serverConnection);
    } catch (Exception e) {
        writeException(clientMessage, e, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        return;
    }
    @Retained final Object originalData = entry.value;
    Object data = originalData;
    try {
        boolean isObject = entry.isObject;
        VersionTag versionTag = entry.versionTag;
        boolean keyNotPresent = entry.keyNotPresent;
        try {
            AuthorizeRequestPP postAuthzRequest = serverConnection.getPostAuthzRequest();
            if (postAuthzRequest != null) {
                try {
                    getContext = postAuthzRequest.getAuthorize(regionName, key, data, isObject, getContext);
                    GetOperationContextImpl gci = (GetOperationContextImpl) getContext;
                    Object newData = gci.getRawValue();
                    if (newData != data) {
                        // user changed the value
                        isObject = getContext.isObject();
                        data = newData;
                    }
                } finally {
                    if (getContext != null) {
                        ((GetOperationContextImpl) getContext).release();
                    }
                }
            }
        } catch (NotAuthorizedException ex) {
            writeException(clientMessage, ex, false, serverConnection);
            serverConnection.setAsTrue(RESPONDED);
            return;
        }
        // post process
        data = this.securityService.postProcess(regionName, key, data, entry.isObject);
        long oldStart = start;
        start = DistributionStats.getStatTime();
        stats.incProcessGetTime(start - oldStart);
        if (region instanceof PartitionedRegion) {
            PartitionedRegion pr = (PartitionedRegion) region;
            if (pr.getNetworkHopType() != PartitionedRegion.NETWORK_HOP_NONE) {
                writeResponseWithRefreshMetadata(data, callbackArg, clientMessage, isObject, serverConnection, pr, pr.getNetworkHopType(), versionTag, keyNotPresent);
                pr.clearNetworkHopData();
            } else {
                writeResponse(data, callbackArg, clientMessage, isObject, versionTag, keyNotPresent, serverConnection);
            }
        } else {
            writeResponse(data, callbackArg, clientMessage, isObject, versionTag, keyNotPresent, serverConnection);
        }
    } finally {
        OffHeapHelper.release(originalData);
    }
    serverConnection.setAsTrue(RESPONDED);
    if (logger.isDebugEnabled()) {
        logger.debug("{}: Wrote get response back to {} for region {} {}", serverConnection.getName(), serverConnection.getSocketString(), regionName, entry);
    }
    stats.incWriteGetResponseTime(DistributionStats.getStatTime() - start);
}