@platformatic/kafka
Version:
Modern and performant client for Apache Kafka
88 lines (87 loc) • 3.32 kB
JavaScript
import { ResponseError } from "../../errors.js";
import { Writer } from "../../protocol/writer.js";
import { createAPI } from "../definitions.js";
/*
AlterPartition Request (Version: 3) => broker_id broker_epoch [topics] TAG_BUFFER
broker_id => INT32
broker_epoch => INT64
topics => topic_id [partitions] TAG_BUFFER
topic_id => UUID
partitions => partition_index leader_epoch [new_isr_with_epochs] leader_recovery_state partition_epoch TAG_BUFFER
partition_index => INT32
leader_epoch => INT32
new_isr_with_epochs => broker_id broker_epoch TAG_BUFFER
broker_id => INT32
broker_epoch => INT64
leader_recovery_state => INT8
partition_epoch => INT32
*/
export function createRequest(brokerId, brokerEpoch, topic) {
return Writer.create()
.appendInt32(brokerId)
.appendInt64(brokerEpoch)
.appendArray(topic, (w, t) => {
w.appendString(t.topicId).appendArray(t.partitions, (w, p) => {
w.appendInt32(p.partitionIndex)
.appendInt32(p.leaderEpoch)
.appendArray(p.newIsrWithEpochs, (w, n) => {
w.appendInt32(n.brokerId).appendInt64(n.brokerEpoch);
})
.appendInt8(p.leaderRecoveryState)
.appendInt32(p.partitionEpoch);
});
})
.appendTaggedFields();
}
/*
AlterPartition Response (Version: 3) => throttle_time_ms error_code [topics] TAG_BUFFER
throttle_time_ms => INT32
error_code => INT16
topics => topic_id [partitions] TAG_BUFFER
topic_id => UUID
partitions => partition_index error_code leader_id leader_epoch [isr] leader_recovery_state partition_epoch TAG_BUFFER
partition_index => INT32
error_code => INT16
leader_id => INT32
leader_epoch => INT32
isr => INT32
leader_recovery_state => INT8
partition_epoch => INT32
*/
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,
topics: reader.readArray((r, i) => {
return {
topicId: r.readString(),
partitions: r.readArray((r, j) => {
const partition = {
partitionIndex: r.readInt32(),
errorCode: r.readInt16(),
leaderId: r.readInt32(),
leaderEpoch: r.readInt32(),
isr: r.readInt32(),
leaderRecoveryState: r.readInt8(),
partitionEpoch: r.readInt32()
};
if (partition.errorCode !== 0) {
errors.push([`/topics/${i}/partitions/${j}`, partition.errorCode]);
}
return partition;
})
};
})
};
if (errors.length) {
throw new ResponseError(apiKey, apiVersion, Object.fromEntries(errors), response);
}
return response;
}
export const api = createAPI(56, 3, createRequest, parseResponse);