kafka-ts/dist/api/heartbeat.js

**KafkaTS** is a Apache Kafka client library for Node.js. It provides both a low-level API for communicating directly with the Apache Kafka cluster and high-level APIs for publishing and subscribing to Kafka topics.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.HEARTBEAT = void 0;
const api_1 = require("../utils/api");
const error_1 = require("../utils/error");
/*
Heartbeat Request (Version: 0) => group_id generation_id member_id
  group_id => STRING
  generation_id => INT32
  member_id => STRING

Heartbeat Response (Version: 0) => error_code
  error_code => INT16
*/
const HEARTBEAT_V0 = (0, api_1.createApi)({
    apiKey: 12,
    apiVersion: 0,
    requestHeaderVersion: 1,
    responseHeaderVersion: 0,
    request: (encoder, data) => encoder.writeString(data.groupId).writeInt32(data.generationId).writeString(data.memberId),
    response: (decoder) => {
        const result = {
            throttleTimeMs: 0,
            errorCode: decoder.readInt16(),
            tags: {},
        };
        if (result.errorCode)
            throw new error_1.KafkaTSApiError(result.errorCode, null, result);
        return result;
    },
});
/*
Heartbeat Request (Version: 4) => group_id generation_id member_id group_instance_id _tagged_fields
  group_id => COMPACT_STRING
  generation_id => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING

Heartbeat Response (Version: 4) => throttle_time_ms error_code _tagged_fields
  throttle_time_ms => INT32
  error_code => INT16
*/
exports.HEARTBEAT = (0, api_1.createApi)({
    apiKey: 12,
    apiVersion: 4,
    fallback: HEARTBEAT_V0,
    requestHeaderVersion: 2,
    responseHeaderVersion: 1,
    request: (encoder, data) => encoder
        .writeCompactString(data.groupId)
        .writeInt32(data.generationId)
        .writeCompactString(data.memberId)
        .writeCompactString(data.groupInstanceId)
        .writeTagBuffer(),
    response: (decoder) => {
        const result = {
            throttleTimeMs: decoder.readInt32(),
            errorCode: decoder.readInt16(),
            tags: decoder.readTagBuffer(),
        };
        if (result.errorCode)
            throw new error_1.KafkaTSApiError(result.errorCode, null, result);
        return result;
    },
});