kafka ProduceResponse 源码

  • 2022-10-20
  • 浏览 (452)

kafka ProduceResponse 代码

文件路径:/clients/src/main/java/org/apache/kafka/common/requests/ProduceResponse.java

/*
 * 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.kafka.common.requests;

import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.common.message.ProduceResponseData;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.Errors;
import org.apache.kafka.common.record.RecordBatch;

import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * This wrapper supports both v0 and v8 of ProduceResponse.
 *
 * Possible error code:
 *
 * {@link Errors#CORRUPT_MESSAGE}
 * {@link Errors#UNKNOWN_TOPIC_OR_PARTITION}
 * {@link Errors#NOT_LEADER_OR_FOLLOWER}
 * {@link Errors#MESSAGE_TOO_LARGE}
 * {@link Errors#INVALID_TOPIC_EXCEPTION}
 * {@link Errors#RECORD_LIST_TOO_LARGE}
 * {@link Errors#NOT_ENOUGH_REPLICAS}
 * {@link Errors#NOT_ENOUGH_REPLICAS_AFTER_APPEND}
 * {@link Errors#INVALID_REQUIRED_ACKS}
 * {@link Errors#TOPIC_AUTHORIZATION_FAILED}
 * {@link Errors#UNSUPPORTED_FOR_MESSAGE_FORMAT}
 * {@link Errors#INVALID_PRODUCER_EPOCH}
 * {@link Errors#CLUSTER_AUTHORIZATION_FAILED}
 * {@link Errors#TRANSACTIONAL_ID_AUTHORIZATION_FAILED}
 * {@link Errors#INVALID_RECORD}
 */
public class ProduceResponse extends AbstractResponse {
    public static final long INVALID_OFFSET = -1L;
    private final ProduceResponseData data;

    public ProduceResponse(ProduceResponseData produceResponseData) {
        super(ApiKeys.PRODUCE);
        this.data = produceResponseData;
    }

    /**
     * Constructor for Version 0
     * @param responses Produced data grouped by topic-partition
     */
    @Deprecated
    public ProduceResponse(Map<TopicPartition, PartitionResponse> responses) {
        this(responses, DEFAULT_THROTTLE_TIME);
    }

    /**
     * Constructor for the latest version
     * @param responses Produced data grouped by topic-partition
     * @param throttleTimeMs Time in milliseconds the response was throttled
     */
    @Deprecated
    public ProduceResponse(Map<TopicPartition, PartitionResponse> responses, int throttleTimeMs) {
        this(toData(responses, throttleTimeMs));
    }

    private static ProduceResponseData toData(Map<TopicPartition, PartitionResponse> responses, int throttleTimeMs) {
        ProduceResponseData data = new ProduceResponseData().setThrottleTimeMs(throttleTimeMs);
        responses.forEach((tp, response) -> {
            ProduceResponseData.TopicProduceResponse tpr = data.responses().find(tp.topic());
            if (tpr == null) {
                tpr = new ProduceResponseData.TopicProduceResponse().setName(tp.topic());
                data.responses().add(tpr);
            }
            tpr.partitionResponses()
                .add(new ProduceResponseData.PartitionProduceResponse()
                    .setIndex(tp.partition())
                    .setBaseOffset(response.baseOffset)
                    .setLogStartOffset(response.logStartOffset)
                    .setLogAppendTimeMs(response.logAppendTime)
                    .setErrorMessage(response.errorMessage)
                    .setErrorCode(response.error.code())
                    .setRecordErrors(response.recordErrors
                        .stream()
                        .map(e -> new ProduceResponseData.BatchIndexAndErrorMessage()
                            .setBatchIndex(e.batchIndex)
                            .setBatchIndexErrorMessage(e.message))
                        .collect(Collectors.toList())));
        });
        return data;
    }

    @Override
    public ProduceResponseData data() {
        return this.data;
    }

    @Override
    public int throttleTimeMs() {
        return this.data.throttleTimeMs();
    }

    @Override
    public void maybeSetThrottleTimeMs(int throttleTimeMs) {
        data.setThrottleTimeMs(throttleTimeMs);
    }

    @Override
    public Map<Errors, Integer> errorCounts() {
        Map<Errors, Integer> errorCounts = new HashMap<>();
        data.responses().forEach(t -> t.partitionResponses().forEach(p -> updateErrorCounts(errorCounts, Errors.forCode(p.errorCode()))));
        return errorCounts;
    }

    public static final class PartitionResponse {
        public Errors error;
        public long baseOffset;
        public long logAppendTime;
        public long logStartOffset;
        public List<RecordError> recordErrors;
        public String errorMessage;

        public PartitionResponse(Errors error) {
            this(error, INVALID_OFFSET, RecordBatch.NO_TIMESTAMP, INVALID_OFFSET);
        }

        public PartitionResponse(Errors error, String errorMessage) {
            this(error, INVALID_OFFSET, RecordBatch.NO_TIMESTAMP, INVALID_OFFSET, Collections.emptyList(), errorMessage);
        }

        public PartitionResponse(Errors error, long baseOffset, long logAppendTime, long logStartOffset) {
            this(error, baseOffset, logAppendTime, logStartOffset, Collections.emptyList(), null);
        }

        public PartitionResponse(Errors error, long baseOffset, long logAppendTime, long logStartOffset, List<RecordError> recordErrors) {
            this(error, baseOffset, logAppendTime, logStartOffset, recordErrors, null);
        }

        public PartitionResponse(Errors error, long baseOffset, long logAppendTime, long logStartOffset, List<RecordError> recordErrors, String errorMessage) {
            this.error = error;
            this.baseOffset = baseOffset;
            this.logAppendTime = logAppendTime;
            this.logStartOffset = logStartOffset;
            this.recordErrors = recordErrors;
            this.errorMessage = errorMessage;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            PartitionResponse that = (PartitionResponse) o;
            return baseOffset == that.baseOffset &&
                    logAppendTime == that.logAppendTime &&
                    logStartOffset == that.logStartOffset &&
                    error == that.error &&
                    Objects.equals(recordErrors, that.recordErrors) &&
                    Objects.equals(errorMessage, that.errorMessage);
        }

        @Override
        public int hashCode() {
            return Objects.hash(error, baseOffset, logAppendTime, logStartOffset, recordErrors, errorMessage);
        }

        @Override
        public String toString() {
            StringBuilder b = new StringBuilder();
            b.append('{');
            b.append("error: ");
            b.append(error);
            b.append(",offset: ");
            b.append(baseOffset);
            b.append(",logAppendTime: ");
            b.append(logAppendTime);
            b.append(", logStartOffset: ");
            b.append(logStartOffset);
            b.append(", recordErrors: ");
            b.append(recordErrors);
            b.append(", errorMessage: ");
            if (errorMessage != null) {
                b.append(errorMessage);
            } else {
                b.append("null");
            }
            b.append('}');
            return b.toString();
        }
    }

    public static final class RecordError {
        public final int batchIndex;
        public final String message;

        public RecordError(int batchIndex, String message) {
            this.batchIndex = batchIndex;
            this.message = message;
        }

        public RecordError(int batchIndex) {
            this.batchIndex = batchIndex;
            this.message = null;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            RecordError that = (RecordError) o;
            return batchIndex == that.batchIndex &&
                    Objects.equals(message, that.message);
        }

        @Override
        public int hashCode() {
            return Objects.hash(batchIndex, message);
        }

        @Override
        public String toString() {
            return "RecordError("
                    + "batchIndex=" + batchIndex
                    + ", message=" + ((message == null) ? "null" : "'" + message + "'")
                    + ")";
        }
    }

    public static ProduceResponse parse(ByteBuffer buffer, short version) {
        return new ProduceResponse(new ProduceResponseData(new ByteBufferAccessor(buffer), version));
    }

    @Override
    public boolean shouldClientThrottle(short version) {
        return version >= 6;
    }
}

相关信息

kafka 源码目录

相关文章

kafka AbstractControlRequest 源码

kafka AbstractRequest 源码

kafka AbstractRequestResponse 源码

kafka AbstractResponse 源码

kafka AddOffsetsToTxnRequest 源码

kafka AddOffsetsToTxnResponse 源码

kafka AddPartitionsToTxnRequest 源码

kafka AddPartitionsToTxnResponse 源码

kafka AllocateProducerIdsRequest 源码

kafka AllocateProducerIdsResponse 源码

0  赞