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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | 1x 1x 1x 1x 1x 1x 13x 1x 12x 12x 12x 12x 12x 12x 5x 5x 5x 1x 4x 4x 4x 1x 3x 1x 2x 4x 4x 12x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1x 1x 1x 2x 2x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 12x 2x 2x 2x 2x 1x 1x 12x 1x 1x 1x 12x 12x 12x 12x 12x 2x | import { StreamUtil } from "./lib";
import { ReadEvent, Event, ReadOptions, ReadableStream, WritableStream, TransformStream, WriteOptions } from "./types";
import fs from "fs";
import path from "path";
import util from "./aws-util";
import stream from "stream";
import { Callback, CronData, Milliseconds, ReportCompleteOptions } from "./cron";
import { AWSError } from "aws-sdk";
import uuid from "uuid";
import refUtil from "./reference";
const requireFn = module.require;
declare type LeoStream = typeof StreamUtil;
export default function (leoStream: LeoStream) {
if (process.env.RSTREAMS_MOCK_DATA == null || (leoStream as any).mocked) {
return;
}
let registry = process as any;
registry.rstreamsMock = registry.rstreamsMock || { queues: new Set() };
(leoStream as any).mocked = true
let settings = {
queueDirectory: path.resolve(process.env.RSTREAMS_MOCK_DATA, "queue"),
s3Directory: path.resolve(process.env.RSTREAMS_MOCK_DATA, "s3"),
batchId: "output-data"//uuid.v4()
}
let fromLeo = leoStream.fromLeo.bind(leoStream);
leoStream.fromLeo = <T>(id: string, queue: string, config: ReadOptions): ReadableStream<ReadEvent<T>> => {
queue = refUtil.ref(queue).id;
// Look for events that were written to this queue in this process
let runtimeQueue = process.env[`RSTREAMS_MOCK_DATA_Q_${queue}`] || "";
// Allow for a queue to to the actual data
if (runtimeQueue === "passthrough") {
return fromLeo(id, queue, config);
}
let queueDataFileJsonl = path.resolve(settings.queueDirectory, runtimeQueue, `${queue}.jsonl`);
let queueDataFileJson = path.resolve(settings.queueDirectory, runtimeQueue, `${queue}.json`);
let mockStream;
if (fs.existsSync(queueDataFileJsonl)) {
mockStream = leoStream.pipeline(
fs.createReadStream(queueDataFileJsonl),
leoStream.parse<ReadEvent<T>>()
);
} else if (fs.existsSync(queueDataFileJson)) {
mockStream = leoStream.eventstream.readArray(requireFn(queueDataFileJson));
} else {
mockStream = leoStream.eventstream.readArray([]);
}
mockStream.checkpoint = (callback) => callback();
return mockStream;
}
leoStream.toLeo = <T>(botId: string, config?: WriteOptions): TransformStream<Event<T>, unknown> => {
let records = 0;
let timestamp = Date.now();
let fileStreams = {};
let mockStream = leoStream.through<Event<T>, unknown>((writeData: Event<T>, callback) => {
let queue = refUtil.ref(writeData.event).id;
// Mark queue to have in memory data from this batch
process.env[`RSTREAMS_MOCK_DATA_Q_${queue}`] = settings.batchId;
registry.rstreamsMock.queues.add(queue);
// Add an eid
let data: ReadEvent<T> = writeData as ReadEvent<T>;
data.eid = leoStream.eventIdFromTimestamp(timestamp, "full", records);
records++;
if (!fileStreams[queue]) {
let queueDataFileJsonl = path.resolve(settings.queueDirectory, settings.batchId, `${queue}.jsonl`);
createPath(path.dirname(queueDataFileJsonl))
fileStreams[queue] = leoStream.pipeline(leoStream.stringify(), fs.createWriteStream(queueDataFileJsonl) as unknown as TransformStream<string, unknown>);
}
Iif (!fileStreams[queue].write(data)) {
fileStreams[queue].once("drain", () => callback())
} else {
callback();
}
}, (done) => {
let count = Object.keys(fileStreams).length;
if (count <= 0) {
done();
return;
}
let called = false;
let cb = (err) => {
count--;
Eif (!called && (count <= 0 || err)) {
called = true;
done(err);
}
}
Object.values(fileStreams).forEach((s: stream.Writable) => {
s.end(cb);
});
});
return mockStream;
}
leoStream.fromS3 = (file: {
bucket: string,
key: string;
range?: string;
}): stream.Readable => {
let Bucket = path.resolve(settings.s3Directory, file.bucket);
let Key = file.key;
// let Range = file.range || undefined;
let filepath = path.resolve(Bucket, Key);
if (!fs.existsSync(filepath)) {
throw util.error(new Error(), {
message: 'The specified key does not exist.',
code: 'NoSuchKey'
});
}
return fs.createReadStream(filepath)
}
leoStream.toS3 = (Bucket: string, File: string) => {
let filepath = path.resolve(settings.s3Directory, `${Bucket}/${File}`);
createPath(path.dirname(filepath));
return fs.createWriteStream(filepath);
}
leoStream.cron.checkLock = (cron: CronData, runid: string, remainingTime: number, callback: Callback<AWSError>) => callback(null);
leoStream.cron.reportComplete = (cron: CronData, runid: string, status: string, log: any, opts: ReportCompleteOptions, callback: Callback<AWSError>) => callback(null);
leoStream.cron.createLock = (id: string, runid: string, maxDuration: Milliseconds, callback: Callback<AWSError>) => callback(null);
leoStream.cron.removeLock = (id: string, runid: string, callback: Callback<AWSError>) => callback(null);
leoStream.toCheckpoint = () => leoStream.devnull();
}
fIunction createPath(dir: string) {
if (!fs.existsSync(dir)) {
var parent = path.dirname(dir);
if (parent) {
createPath(parent);
}
fs.mkdirSync(dir);
}
}
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