✨Chat Socket

Minimized chat demo to ensure the reliability and security of message.

If you will familiar im project, run it.
If you will familiar im component function quickly, run it.

Project Directory Definition

.
├── Makefile
├── README.md
├── client
├── server

Project Structure

General Structure

Server Message Transfer Flow

In-Depth Question

Gateway

How to achieve websocket pool?

https://github.com/charlie-bit/websocket_conn_pool

How to set logic deadline for gateway ws connection？

> First, establish the connection between server and client
> decided on the maximum amount of time you want to allow for a particular logic to complete
> we can implement a timeout machanism

How to set logic message size for gateway ws connection？

> decied on incoing webscoket message sizeåå

How to avoid gateway connection resource waste？

>   websocket connection pool
>   set idle deadline for conn

How to implement kick off user?

How to implement user login in several platforms?

Message

How to ensure message safe?

>   encryption websocket message
>   auth when buildding ws connection

How to ensure message timely transfer?

>   keep-alive for ws connection
>   heart beat for ws connection
>   healthy network infrastructure

Transfer

How to storage message?

>   storage message with no sql database
>   use redis cache message seq(hot data)

Notion

if need set ttl for message, can use insertOne with ttl. like

db.yourCollection.insertOne({
  content: "Your message content",
  createdAt: new Date(), // Current timestamp
  expiryTime: new Date(Date.now() + (60 * 60 * 1000)), // Set to expire in 1 hour
});

What is the data retention policy in Kafka and how to configure it？

when build kafka component, set time base retention kafka-topics.sh --zookeeper localhost:2181 --alter --topic your-topic --config retention.ms=86400000

How to expend cluster model?

https://github.com/charlie-bit/zk_demo

charlie-bit / go-chat-server