foreign/node/src/wire/segment/segment.utils.ts

/**
 * 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.
 */


import { serializeIdentifier, type Id } from '../identifier.utils.js';
import { uint32ToBuf } from '../number.utils.js';

export const serializeSegmentsParams = (
  streamId: Id, topicId: Id, partitionId: number, segmentsCount: number,
) => {

  if (segmentsCount < 1 || segmentsCount > 1000)
    throw new Error('Topic partition_count must be between 1 and 1000');

  const streamIdentifier = serializeIdentifier(streamId);
  const topicIdentifier = serializeIdentifier(topicId);
  const bPartitionId = uint32ToBuf(partitionId);
  const bSegmentsCount = uint32ToBuf(segmentsCount);

  return Buffer.concat([
    streamIdentifier,
    topicIdentifier,
    bPartitionId,
    bSegmentsCount
  ])
};