node-test-bed-adapter/dist/lib/logger/kafka-logger.mjs

An adapter to connect a node.js application to the Test-bed's Common Information Space or Common Simulation Space.

import { LogLevelToType } from './index.mjs';
import { LogTopic } from '../index.mjs';
/**
 * Based on winston-k
 * source: https://github.com/jackielihf/winston-k/blob/master/logger.js
 */
export class KafkaLogger {
    adapter;
    id;
    isInitialized = false;
    stringBasedKey;
    constructor(options) {
        this.id = options.clientId;
        this.adapter = options.adapter;
        this.stringBasedKey =
            typeof options.stringBasedKey === 'undefined'
                ? true
                : options.stringBasedKey;
        // this.adapter
        //   .addProducerTopics(LogTopic)
        //   .then(() => (this.isInitialized = true));
    }
    log(level, msg, callback) {
        if (this.isInitialized === false) {
            return;
        }
        const payload = {
            topic: LogTopic,
            messages: [
                {
                    key: this.stringBasedKey ? this.id.toString() : undefined,
                    value: {
                        id: this.id,
                        level: LogLevelToType(level),
                        dateTimeSent: Date.now(),
                        log: msg,
                    },
                },
            ],
        };
        this.adapter.send(payload, (err, res) => {
            if (err) {
                if (typeof err === 'string') {
                    err = `[KAFKA] ${err}`;
                }
                else if (err.hasOwnProperty('message')) {
                    err.message = `[KAFKA] ${err.message}`;
                }
                return callback(err, null);
            }
            callback(undefined, res);
        });
    }
}
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