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

// Licensed to the Apache Software Foundation (ASF) under one
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// 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
//
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//

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
  ])
};