Files
Web_BLS_Register_Server/bls-register-backend/scripts/publishProbe.js

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import dotenv from 'dotenv';
import kafka from 'kafka-node';
dotenv.config();
const probeTs = Number(process.argv[2] || Date.now());
const probeRoom = process.argv[3] || `PROBE-${probeTs}`;
const probeHotelId = Number(process.argv[4] || 1085);
const topic = process.env.KAFKA_TOPIC || process.env.KAFKA_TOPICS || 'blwlog4Nodejs-rcu-register-topic';
const kafkaHost = (process.env.KAFKA_BROKERS || '').split(',').map((s) => s.trim()).filter(Boolean).join(',');
const saslEnabled = process.env.KAFKA_SASL_ENABLED === 'true';
const sslEnabled = process.env.KAFKA_SSL_ENABLED === 'true';
const kafkaClientOptions = {
kafkaHost,
clientId: process.env.KAFKA_CLIENT_ID || 'bls-register-producer'
};
if (saslEnabled && process.env.KAFKA_SASL_USERNAME && process.env.KAFKA_SASL_PASSWORD) {
kafkaClientOptions.sasl = {
mechanism: process.env.KAFKA_SASL_MECHANISM || 'plain',
username: process.env.KAFKA_SASL_USERNAME,
password: process.env.KAFKA_SASL_PASSWORD
};
}
if (sslEnabled) {
kafkaClientOptions.sslOptions = { rejectUnauthorized: false };
}
const payload = {
ts_ms: probeTs,
upgrade_ts_ms: probeTs + 1234,
hotel_id: Number.isFinite(probeHotelId) ? probeHotelId : 1085,
room_id: probeRoom,
device_id: `probe-device-${probeTs}`,
is_send: 0,
udp_raw: 'abc\u0000def',
extra: { source: 'probe', note: 'with\\u0000nul' },
app_version: 'v1\u0000.2',
launcher_version: 'launcher-1',
config_version: 'cfg-1'
};
const client = new kafka.KafkaClient(kafkaClientOptions);
const producer = new kafka.Producer(client);
producer.on('ready', () => {
producer.send(
[{ topic, messages: JSON.stringify(payload) }],
(err) => {
if (err) {
console.error(`[probe] publish failed: ${err.message}`);
process.exit(1);
}
console.log(`[probe] published topic=${topic} ts_ms=${probeTs} hotel_id=${payload.hotel_id} room_id=${probeRoom}`);
producer.close(() => client.close(() => process.exit(0)));
}
);
});
producer.on('error', (err) => {
console.error(`[probe] producer error: ${err.message}`);
process.exit(1);
});