kafka-ts
Version:
**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.
127 lines (126 loc) • 7.45 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PRODUCE = void 0;
const api_js_1 = require("../utils/api.js");
const encoder_js_1 = require("../utils/encoder.js");
const error_js_1 = require("../utils/error.js");
exports.PRODUCE = (0, api_js_1.createApi)({
apiKey: 0,
apiVersion: 9,
request: (encoder, data) => encoder
.writeUVarInt(0)
.writeCompactString(data.transactionalId)
.writeInt16(data.acks)
.writeInt32(data.timeoutMs)
.writeCompactArray(data.topicData, (encoder, topic) => encoder
.writeCompactString(topic.name)
.writeCompactArray(topic.partitionData, (encoder, partition) => {
const batchBody = new encoder_js_1.Encoder()
.writeInt16(partition.attributes)
.writeInt32(partition.lastOffsetDelta)
.writeInt64(partition.baseTimestamp)
.writeInt64(partition.maxTimestamp)
.writeInt64(partition.producerId)
.writeInt16(partition.producerEpoch)
.writeInt32(partition.baseSequence)
.writeArray(partition.records, (encoder, record) => {
const recordBody = new encoder_js_1.Encoder()
.writeInt8(record.attributes)
.writeVarLong(record.timestampDelta)
.writeVarInt(record.offsetDelta)
.writeVarIntString(record.key)
.writeVarIntString(record.value)
.writeVarIntArray(record.headers, (encoder, header) => encoder.writeVarIntString(header.key).writeVarIntString(header.value));
return encoder.writeVarInt(recordBody.getBufferLength()).writeEncoder(recordBody);
})
.value();
const batchHeader = new encoder_js_1.Encoder()
.writeInt32(partition.partitionLeaderEpoch)
.writeInt8(2) // magic byte
.writeUInt32(unsigned(crc32C(batchBody)))
.write(batchBody);
const batch = new encoder_js_1.Encoder()
.writeInt64(partition.baseOffset)
.writeInt32(batchHeader.getBufferLength())
.writeEncoder(batchHeader);
return encoder
.writeInt32(partition.index)
.writeUVarInt(batch.getBufferLength() + 1)
.writeEncoder(batch)
.writeUVarInt(0);
})
.writeUVarInt(0))
.writeUVarInt(0),
response: (decoder) => {
const result = {
_tag: decoder.readTagBuffer(),
responses: decoder.readCompactArray((response) => ({
name: response.readCompactString(),
partitionResponses: response.readCompactArray((partitionResponse) => ({
index: partitionResponse.readInt32(),
errorCode: partitionResponse.readInt16(),
baseOffset: partitionResponse.readInt64(),
logAppendTime: partitionResponse.readInt64(),
logStartOffset: partitionResponse.readInt64(),
recordErrors: partitionResponse.readCompactArray((recordError) => ({
batchIndex: recordError.readInt32(),
batchIndexError: recordError.readInt16(),
_tag: recordError.readTagBuffer(),
})),
errorMessage: partitionResponse.readCompactString(),
_tag: partitionResponse.readTagBuffer(),
})),
_tag: response.readTagBuffer(),
})),
throttleTimeMs: decoder.readInt32(),
_tag2: decoder.readTagBuffer(),
};
result.responses.forEach((topic) => {
topic.partitionResponses.forEach((partition) => {
if (partition.errorCode !== 0) {
throw new error_js_1.KafkaTSApiError(partition.errorCode, partition.errorMessage, result);
}
});
});
return result;
},
});
const unsigned = (value) => Uint32Array.from([value])[0];
const crc32C = (buffer) => {
let crc = 0 ^ -1;
for (let i = 0; i < buffer.length; i++) {
crc = T[(crc ^ buffer[i]) & 0xff] ^ (crc >>> 8);
}
return (crc ^ -1) >>> 0;
};
const T = new Int32Array([
0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c, 0x26a1e7e8, 0xd4ca64eb, 0x8ad958cf,
0x78b2dbcc, 0x6be22838, 0x9989ab3b, 0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24, 0x105ec76f, 0xe235446c,
0xf165b798, 0x030e349b, 0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384, 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57,
0x89d76c54, 0x5d1d08bf, 0xaf768bbc, 0xbc267848, 0x4e4dfb4b, 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a,
0xe72719c1, 0x154c9ac2, 0x061c6936, 0xf477ea35, 0xaa64d611, 0x580f5512, 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e,
0x9f95c20d, 0x8cc531f9, 0x7eaeb2fa, 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x05125dad,
0x1642ae59, 0xe4292d5a, 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a, 0x7da08661, 0x8fcb0562, 0x9c9bf696,
0x6ef07595, 0x417b1dbc, 0xb3109ebf, 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957,
0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f, 0xed03a29b, 0x1f682198, 0x5125dad3,
0xa34e59d0, 0xb01eaa24, 0x42752927, 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38, 0xdbfc821c, 0x2997011f,
0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0x0f36e6f7, 0x61c69362, 0x93ad1061, 0x80fde395,
0x72966096, 0xa65c047d, 0x5437877e, 0x4767748a, 0xb50cf789, 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859,
0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0x3fd5af46, 0x7198540d, 0x83f3d70e, 0x90a324fa, 0x62c8a7f9, 0xb602c312,
0x44694011, 0x5739b3e5, 0xa55230e6, 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de,
0xdde0eb2a, 0x2f8b6829, 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c, 0x456cac67, 0xb7072f64, 0xa457dc90,
0x563c5f93, 0x082f63b7, 0xfa44e0b4, 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c,
0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b, 0xb4091bff, 0x466298fc, 0x1871a4d8,
0xea1a27db, 0xf94ad42f, 0x0b21572c, 0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033, 0xa24bb5a6, 0x502036a5,
0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba, 0x84ea524e, 0x7681d14d, 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e,
0x3bc21e9d, 0xef087a76, 0x1d63f975, 0x0e330a81, 0xfc588982, 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d,
0x758fe5d6, 0x87e466d5, 0x94b49521, 0x66df1622, 0x38cc2a06, 0xcaa7a905, 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19,
0x0d3d3e1a, 0x1e6dcdee, 0xec064eed, 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8,
0xe52cc12c, 0x1747422f, 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff, 0x8ecee914, 0x7ca56a17, 0x6ff599e3,
0x9d9e1ae0, 0xd3d3e1ab, 0x21b862a8, 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7, 0xf5720643, 0x07198540,
0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78, 0x7fab5e8c, 0x8dc0dd8f, 0xe330a81a,
0x115b2b19, 0x020bd8ed, 0xf0605bee, 0x24aa3f05, 0xd6c1bc06, 0xc5914ff2, 0x37faccf1, 0x69e9f0d5, 0x9b8273d6,
0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e, 0xf36e6f75, 0x0105ec76, 0x12551f82,
0xe03e9c81, 0x34f4f86a, 0xc69f7b69, 0xd5cf889d, 0x27a40b9e, 0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e,
0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351,
]);