atharvalade commented on code in PR #2822: URL: https://github.com/apache/iggy/pull/2822#discussion_r2898778837
########## examples/node/src/tcp-tls/producer.ts: ########## @@ -0,0 +1,128 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +// TCP/TLS Producer Example +// +// Demonstrates producing messages over a TLS-encrypted TCP connection +// using custom certificates from core/certs/. +// +// Prerequisites: +// Start the Iggy server with TLS enabled: +// IGGY_TCP_TLS_ENABLED=true \ +// IGGY_TCP_TLS_CERT_FILE=core/certs/iggy_cert.pem \ +// IGGY_TCP_TLS_KEY_FILE=core/certs/iggy_key.pem \ +// cargo r --bin iggy-server +// +// Run this example (from examples/node/): +// DEBUG=iggy:* npx tsx src/tcp-tls/producer.ts + +import { readFileSync } from 'node:fs'; +import { Client, Partitioning } from 'apache-iggy'; +import { BATCHES_LIMIT, cleanup, initSystem, log, MESSAGES_PER_BATCH, sleep } from '../utils'; + +async function produceMessages( + client: Client, + stream: Awaited<ReturnType<typeof initSystem>>['stream'], + topic: Awaited<ReturnType<typeof initSystem>>['topic'], +) { + const interval = 500; + log( + 'Messages will be sent to stream: %d, topic: %d with interval %d ms.', + stream.id, + topic.id, + interval, + ); + + let currentId = 0; + let sentBatches = 0; + + for (; sentBatches < BATCHES_LIMIT;) { + const messages = Array.from({ length: MESSAGES_PER_BATCH }).map(() => { + currentId++; + return { + id: currentId, + headers: [], + payload: `message-${currentId}`, + }; + }); + + try { + await client.message.send({ + streamId: stream.id, + topicId: topic.id, + messages, + partition: Partitioning.PartitionId( + topic.partitions[Math.floor(Math.random() * topic.partitions.length)].id, + ), + }); + } catch (error) { + log('Error sending messages: %o', error); + } finally { + sentBatches++; + log('Sent messages: %o', messages); + await sleep(interval); + } + } + + log('Sent %d batches of messages, exiting.', sentBatches); +} + +async function main() { + // Configure the client with TLS transport. + // transport: 'TLS' activates TLS on the TCP connection + // ca: readFileSync(...) provides the CA certificate to verify the server cert + // host: 'localhost' must match the server certificate CN/SAN + const client = new Client({ + transport: 'TLS', + options: { + port: 8090, + host: 'localhost', + ca: readFileSync('../../core/certs/iggy_ca_cert.pem'), + }, + credentials: { username: 'iggy', password: 'iggy' }, + }); + + let streamId = null; + let topicId = 0; + try { + log('TLS producer has started, selected transport: TLS'); + log('Connecting to Iggy server over TLS...'); + + const { stream, topic } = await initSystem(client); Review Comment: exported from `examples/node/src/utils/index.ts`, same as `basic/producer.ts` uses it -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
