@platformatic/kafka
Version:
Modern and performant client for Apache Kafka
80 lines (79 loc) • 3.24 kB
JavaScript
import { ResponseError } from "../../errors.js";
import { Writer } from "../../protocol/writer.js";
import { createAPI } from "../definitions.js";
/*
AddPartitionsToTxn Request (Version: 5) => [transactions] TAG_BUFFER
transactions => transactional_id producer_id producer_epoch verify_only [topics] TAG_BUFFER
transactional_id => COMPACT_STRING
producer_id => INT64
producer_epoch => INT16
verify_only => BOOLEAN
topics => name [partitions] TAG_BUFFER
name => COMPACT_STRING
partitions => INT32
*/
export function createRequest(transactions) {
return Writer.create()
.appendArray(transactions, (w, transaction) => {
w.appendString(transaction.transactionalId)
.appendInt64(transaction.producerId)
.appendInt16(transaction.producerEpoch)
.appendBoolean(transaction.verifyOnly)
.appendArray(transaction.topics, (w, topic) => {
w.appendString(topic.name).appendArray(topic.partitions, (w, partition) => w.appendInt32(partition), true, false);
});
})
.appendTaggedFields();
}
/*
AddPartitionsToTxn Response (Version: 5) => throttle_time_ms error_code [results_by_transaction] TAG_BUFFER
throttle_time_ms => INT32
error_code => INT16
results_by_transaction => transactional_id [topic_results] TAG_BUFFER
transactional_id => COMPACT_STRING
topic_results => name [results_by_partition] TAG_BUFFER
name => COMPACT_STRING
results_by_partition => partition_index partition_error_code TAG_BUFFER
partition_index => INT32
partition_error_code => INT16
*/
export function parseResponse(_correlationId, apiKey, apiVersion, reader) {
const errors = [];
const throttleTimeMs = reader.readInt32();
const errorCode = reader.readInt16();
if (errorCode !== 0) {
errors.push(['', errorCode]);
}
const response = {
throttleTimeMs,
errorCode,
resultsByTransaction: reader.readArray((r, i) => {
return {
transactionalId: r.readString(),
topicResults: r.readArray((r, j) => {
return {
name: r.readString(),
resultsByPartition: r.readArray((r, k) => {
const partition = {
partitionIndex: r.readInt32(),
partitionErrorCode: r.readInt16()
};
if (partition.partitionErrorCode !== 0) {
errors.push([
`/results_by_transaction/${i}/topic_results/${j}/results_by_partitions/${k}`,
partition.partitionErrorCode
]);
}
return partition;
})
};
})
};
})
};
if (errors.length) {
throw new ResponseError(apiKey, apiVersion, Object.fromEntries(errors), response);
}
return response;
}
export const api = createAPI(24, 5, createRequest, parseResponse);