@platformatic/kafka
Version:
Modern and performant client for Apache Kafka
60 lines (59 loc) • 2.32 kB
JavaScript
import { ResponseError } from "../../errors.js";
import { Writer } from "../../protocol/writer.js";
import { createAPI } from "../definitions.js";
/*
DescribeTransactions Request (Version: 0) => [transactional_ids] TAG_BUFFER
transactional_ids => COMPACT_STRING
*/
export function createRequest(transactionalIds) {
return Writer.create()
.appendArray(transactionalIds, (w, t) => w.appendString(t), true, false)
.appendTaggedFields();
}
/*
DescribeTransactions Response (Version: 0) => throttle_time_ms [transaction_states] TAG_BUFFER
throttle_time_ms => INT32
transaction_states => error_code transactional_id transaction_state transaction_timeout_ms transaction_start_time_ms producer_id producer_epoch [topics] TAG_BUFFER
error_code => INT16
transactional_id => COMPACT_STRING
transaction_state => COMPACT_STRING
transaction_timeout_ms => INT32
transaction_start_time_ms => INT64
producer_id => INT64
producer_epoch => INT16
topics => topic [partitions] TAG_BUFFER
topic => COMPACT_STRING
partitions => INT32
*/
export function parseResponse(_correlationId, apiKey, apiVersion, reader) {
const errors = [];
const response = {
throttleTimeMs: reader.readInt32(),
transactionStates: reader.readArray((r, i) => {
const state = {
errorCode: r.readInt16(),
transactionalId: r.readString(),
transactionState: r.readString(),
transactionTimeoutMs: r.readInt32(),
transactionStartTimeMs: r.readInt64(),
producerId: r.readInt64(),
producerEpoch: r.readInt16(),
topics: r.readArray(r => {
return {
topic: r.readString(),
partitions: r.readArray(r => r.readInt32(), true, false)
};
})
};
if (state.errorCode !== 0) {
errors.push([`/transaction_states/${i}`, state.errorCode]);
}
return state;
})
};
if (errors.length) {
throw new ResponseError(apiKey, apiVersion, Object.fromEntries(errors), response);
}
return response;
}
export const api = createAPI(65, 0, createRequest, parseResponse);