@platformatic/kafka
Version:
Modern and performant client for Apache Kafka
76 lines (75 loc) • 2.74 kB
JavaScript
import { ResponseError } from "../../errors.js";
import { Writer } from "../../protocol/writer.js";
import { createAPI } from "../definitions.js";
/*
DescribeLogDirs Request (Version: 4) => [topics] TAG_BUFFER
topics => topic [partitions] TAG_BUFFER
topic => COMPACT_STRING
partitions => INT32
*/
export function createRequest(topics) {
return Writer.create()
.appendArray(topics, (w, t) => {
w.appendString(t.name).appendArray(t.partitions, (w, p) => w.appendInt32(p), true, false);
})
.appendTaggedFields();
}
/*
DescribeLogDirs Response (Version: 4) => throttle_time_ms error_code [results] TAG_BUFFER
throttle_time_ms => INT32
error_code => INT16
results => error_code log_dir [topics] total_bytes usable_bytes TAG_BUFFER
error_code => INT16
log_dir => COMPACT_STRING
topics => name [partitions] TAG_BUFFER
name => COMPACT_STRING
partitions => partition_index partition_size offset_lag is_future_key TAG_BUFFER
partition_index => INT32
partition_size => INT64
offset_lag => INT64
is_future_key => BOOLEAN
total_bytes => INT64
usable_bytes => INT64
*/
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,
results: reader.readArray((r, i) => {
const errorCode = r.readInt16();
if (errorCode !== 0) {
errors.push([`/results/${i}`, errorCode]);
}
return {
errorCode,
logDir: r.readString(),
topics: r.readArray(reader => {
return {
name: reader.readString(),
partitions: reader.readArray(reader => {
return {
partitionIndex: reader.readInt32(),
partitionSize: reader.readInt64(),
offsetLag: reader.readInt64(),
isFutureKey: reader.readBoolean()
};
})
};
}),
totalBytes: r.readInt64(),
usableBytes: r.readInt64()
};
})
};
if (errors.length) {
throw new ResponseError(apiKey, apiVersion, Object.fromEntries(errors), response);
}
return response;
}
export const api = createAPI(35, 4, createRequest, parseResponse);