Examples with ServerToClientFunctionResultSender65 org.apache.geode.internal.cache.execute.ServerToClientFunctionResultSender65 used on opensource projects

Example 6 with ServerToClientFunctionResultSender65

use of org.apache.geode.internal.cache.execute.ServerToClientFunctionResultSender65 in project geode by apache.

the class ExecuteRegionFunction66 method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection servConn, long start) throws IOException {
    String regionName = null;
    Object function = null;
    Object args = null;
    MemberMappedArgument memberMappedArg = null;
    final boolean isBucketsAsFilter;
    final byte isReExecute;
    Set<Object> filter = null;
    byte hasResult = 0;
    int removedNodesSize = 0;
    Set<Object> removedNodesSet = null;
    int filterSize = 0, partNumber = 0;
    CachedRegionHelper crHelper = servConn.getCachedRegionHelper();
    byte functionState = 0;
    int functionTimeout = ConnectionImpl.DEFAULT_CLIENT_FUNCTION_TIMEOUT;
    try {
        byte[] bytes = clientMessage.getPart(0).getSerializedForm();
        functionState = bytes[0];
        if (bytes.length >= 5 && servConn.getClientVersion().ordinal() >= Version.GFE_8009.ordinal()) {
            functionTimeout = Part.decodeInt(bytes, 1);
        }
        if (functionState != 1) {
            hasResult = (byte) ((functionState & 2) - 1);
        } else {
            hasResult = functionState;
        }
        if (hasResult == 1) {
            servConn.setAsTrue(REQUIRES_RESPONSE);
            servConn.setAsTrue(REQUIRES_CHUNKED_RESPONSE);
        }
        regionName = clientMessage.getPart(1).getString();
        function = clientMessage.getPart(2).getStringOrObject();
        args = clientMessage.getPart(3).getObject();
        Part part = clientMessage.getPart(4);
        if (part != null) {
            Object obj = part.getObject();
            if (obj instanceof MemberMappedArgument) {
                memberMappedArg = (MemberMappedArgument) obj;
            }
        }
        byte[] flags = clientMessage.getPart(5).getSerializedForm();
        if (servConn.getClientVersion().ordinal() > Version.GFE_81.ordinal()) {
            isBucketsAsFilter = (flags[0] & ExecuteFunctionHelper.BUCKETS_AS_FILTER_MASK) != 0;
            isReExecute = (flags[0] & ExecuteFunctionHelper.IS_REXECUTE_MASK) != 0 ? (byte) 1 : 0;
        } else {
            isReExecute = flags[0];
            isBucketsAsFilter = false;
        }
        filterSize = clientMessage.getPart(6).getInt();
        if (filterSize != 0) {
            filter = new HashSet<Object>();
            partNumber = 7;
            for (int i = 0; i < filterSize; i++) {
                filter.add(clientMessage.getPart(partNumber + i).getStringOrObject());
            }
        }
        partNumber = 7 + filterSize;
        removedNodesSize = clientMessage.getPart(partNumber).getInt();
        if (removedNodesSize != 0) {
            removedNodesSet = new HashSet<Object>();
            partNumber = partNumber + 1;
            for (int i = 0; i < removedNodesSize; i++) {
                removedNodesSet.add(clientMessage.getPart(partNumber + i).getStringOrObject());
            }
        }
    } catch (ClassNotFoundException exception) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), exception);
        if (hasResult == 1) {
            writeChunkedException(clientMessage, exception, servConn);
        } else {
            writeException(clientMessage, exception, false, servConn);
        }
        servConn.setAsTrue(RESPONDED);
        return;
    }
    if (function == null || regionName == null) {
        String message = null;
        if (function == null) {
            message = LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString("function");
        }
        if (regionName == null) {
            message = LocalizedStrings.ExecuteRegionFunction_THE_INPUT_0_FOR_THE_EXECUTE_FUNCTION_REQUEST_IS_NULL.toLocalizedString("region");
        }
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    Region region = crHelper.getRegion(regionName);
    if (region == null) {
        String message = LocalizedStrings.ExecuteRegionFunction_THE_REGION_NAMED_0_WAS_NOT_FOUND_DURING_EXECUTE_FUNCTION_REQUEST.toLocalizedString(regionName);
        logger.warn("{}: {}", servConn.getName(), message);
        sendError(hasResult, clientMessage, message, servConn);
        return;
    }
    HandShake handShake = (HandShake) servConn.getHandshake();
    int earlierClientReadTimeout = handShake.getClientReadTimeout();
    handShake.setClientReadTimeout(functionTimeout);
    ServerToClientFunctionResultSender resultSender = null;
    Function functionObject = null;
    try {
        if (function instanceof String) {
            functionObject = FunctionService.getFunction((String) function);
            if (functionObject == null) {
                String message = LocalizedStrings.ExecuteRegionFunction_THE_FUNCTION_0_HAS_NOT_BEEN_REGISTERED.toLocalizedString(function);
                logger.warn("{}: {}", servConn.getName(), message);
                sendError(hasResult, clientMessage, message, servConn);
                return;
            } else {
                byte functionStateOnServerSide = AbstractExecution.getFunctionState(functionObject.isHA(), functionObject.hasResult(), functionObject.optimizeForWrite());
                if (logger.isDebugEnabled()) {
                    logger.debug("Function State on server side: {} on client: {}", functionStateOnServerSide, functionState);
                }
                if (functionStateOnServerSide != functionState) {
                    String message = LocalizedStrings.FunctionService_FUNCTION_ATTRIBUTE_MISMATCH_CLIENT_SERVER.toLocalizedString(function);
                    logger.warn("{}: {}", servConn.getName(), message);
                    sendError(hasResult, clientMessage, message, servConn);
                    return;
                }
            }
        } else {
            functionObject = (Function) function;
        }
        this.securityService.authorizeDataWrite();
        // check if the caller is authorized to do this operation on server
        AuthorizeRequest authzRequest = servConn.getAuthzRequest();
        final String functionName = functionObject.getId();
        final String regionPath = region.getFullPath();
        ExecuteFunctionOperationContext executeContext = null;
        if (authzRequest != null) {
            executeContext = authzRequest.executeFunctionAuthorize(functionName, regionPath, filter, args, functionObject.optimizeForWrite());
        }
        // Construct execution
        AbstractExecution execution = (AbstractExecution) FunctionService.onRegion(region);
        ChunkedMessage m = servConn.getFunctionResponseMessage();
        m.setTransactionId(clientMessage.getTransactionId());
        resultSender = new ServerToClientFunctionResultSender65(m, MessageType.EXECUTE_REGION_FUNCTION_RESULT, servConn, functionObject, executeContext);
        if (execution instanceof PartitionedRegionFunctionExecutor) {
            if ((hasResult == 1) && filter != null && filter.size() == 1) {
                ServerConnection.executeFunctionOnLocalNodeOnly((byte) 1);
            }
            execution = new PartitionedRegionFunctionExecutor((PartitionedRegion) region, filter, args, memberMappedArg, resultSender, removedNodesSet, isBucketsAsFilter);
        } else {
            execution = new DistributedRegionFunctionExecutor((DistributedRegion) region, filter, args, memberMappedArg, resultSender);
        }
        if (isReExecute == 1) {
            execution = execution.setIsReExecute();
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Executing Function: {} on Server: {} with Execution: {} functionState={} reExecute={} hasResult={}", functionObject.getId(), servConn, execution, functionState, isReExecute, hasResult);
        }
        if (hasResult == 1) {
            if (function instanceof String) {
                switch(functionState) {
                    case AbstractExecution.NO_HA_HASRESULT_NO_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, false, false).getResult();
                        break;
                    case AbstractExecution.HA_HASRESULT_NO_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, true, false).getResult();
                        break;
                    case AbstractExecution.HA_HASRESULT_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, true, true).getResult();
                        break;
                    case AbstractExecution.NO_HA_HASRESULT_OPTIMIZEFORWRITE:
                        execution.execute((String) function, true, false, true).getResult();
                        break;
                }
            } else {
                execution.execute(functionObject).getResult();
            }
        } else {
            if (function instanceof String) {
                switch(functionState) {
                    case AbstractExecution.NO_HA_NO_HASRESULT_NO_OPTIMIZEFORWRITE:
                        execution.execute((String) function, false, false, false);
                        break;
                    case AbstractExecution.NO_HA_NO_HASRESULT_OPTIMIZEFORWRITE:
                        execution.execute((String) function, false, false, true);
                        break;
                }
            } else {
                execution.execute(functionObject);
            }
            writeReply(clientMessage, servConn);
        }
    } catch (IOException ioe) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), ioe);
        final String message = LocalizedStrings.ExecuteRegionFunction_SERVER_COULD_NOT_SEND_THE_REPLY.toLocalizedString();
        sendException(hasResult, clientMessage, message, servConn, ioe);
    } catch (FunctionException fe) {
        String message = fe.getMessage();
        Object cause = fe.getCause();
        if (cause instanceof FunctionInvocationTargetException || cause instanceof QueryInvocationTargetException) {
            if (cause instanceof InternalFunctionInvocationTargetException) {
                // 4> in case of HA member departed
                if (logger.isDebugEnabled()) {
                    logger.debug(LocalizedMessage.create(LocalizedStrings.ExecuteFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, new Object[] { function }), fe);
                }
            } else if (functionObject.isHA()) {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function + " :" + message));
            } else {
                logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), fe);
            }
            resultSender.setException(fe);
        } else {
            logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), fe);
            sendException(hasResult, clientMessage, message, servConn, fe);
        }
    } catch (Exception e) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.ExecuteRegionFunction_EXCEPTION_ON_SERVER_WHILE_EXECUTIONG_FUNCTION_0, function), e);
        String message = e.getMessage();
        sendException(hasResult, clientMessage, message, servConn, e);
    } finally {
        handShake.setClientReadTimeout(earlierClientReadTimeout);
        ServerConnection.executeFunctionOnLocalNodeOnly((byte) 0);
    }
}