node-famcache

Node-famcache

Node-famcache is a Node.js client for Famcache, a caching server written in Go. This client allows you to interact with the Famcache server from your Node.js applications, providing an easy-to-use interface for caching operations.

Table of Contents

• Installation
• Usage
  • Connecting to the Server
  • Basic Operations
    • Set a Value
    • Get a Value
    • Delete a Value
    • Publish a topic
    • Subscribe to the topic
    • Unsubscribe from the topic
• API Reference
• Contributing
• License

Installation

To install Node-famcache, use npm:

npm install @famcache/famcache

Usage

Connecting to the Server

First, import the module and create a client instance:

import Famcache from '@famcache/famcache';

const client = new FamcacheClient({
  host: 'localhost',
  port: 3577,
});

Basic Operations

Set a Value

To store a value in the cache:

await client.set('key', 'value', 30000);

Get a Value

To retrieve a value from the cache:

const value = await client.get('key');

Delete a Value

To delete a value from the cache:

await client.del('key');

Publish a topic

To publish data to the topic:

client.messaging.publish('topic', 'data');

Subscribe to the topic

To subscribe to the topic:

client.messaging.subscribe('topic', (data) => {
  // ...
});

Unsubscribe from the topic

To unsubscribe from the topic:

client.messaging.unsubscribe('topic');

API Reference

FamcacheClient

new FamcacheClient(options)

Creates a new client instance.

• options (object):
  • host (string): The host of the Famcache server.
  • port (number): The port of the Famcache server.

client.set(key, value, ttl?)

Sets a value in the cache.

• key (string): The key under which the value will be stored.
• value (string): The value to store.
• ttl (number): Time to leave (optional)

client.get(key)

Gets a value from the cache.

• key (string): The key of the value to retrieve.

client.delete(key, callback)

Deletes a value from the cache.

client.messaging.publish(topic, data)

Publishes data to the topic

• topic (string): Topic name
• data (string): Payload that will be send to the subscribers

client.messaging.subscribe(topic, callback)

Subscribes to the topic

• topic (string): Topic name
• callback (Function): Callback function that will be invoked when message will be received for this topic

client.messaging.unsubscribe(topic)

Unsubscribes from the topic

• topic (string): Topic name

Contributing

Contributions are welcome! Please open an issue or submit a pull request on GitHub.

License

Node-famcache is licensed under the MIT License. See the LICENSE file for more details.

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