https://github.com/hiperbou/kredis
Toy Redis in Kotlin in 120 lines
https://github.com/hiperbou/kredis
Last synced: 7 months ago
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Toy Redis in Kotlin in 120 lines
- Host: GitHub
- URL: https://github.com/hiperbou/kredis
- Owner: hiperbou
- License: mit
- Created: 2025-01-26T19:06:43.000Z (9 months ago)
- Default Branch: master
- Last Pushed: 2025-02-07T22:26:49.000Z (8 months ago)
- Last Synced: 2025-02-07T23:24:20.678Z (8 months ago)
- Language: Kotlin
- Size: 68.4 KB
- Stars: 0
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# kredis
Toy Redis in Kotlin in 120 lines
## Start server:
```
java -jar kredis-1.0.0.jar [PORT]
```
examples:
```
java -jar kredis-1.0.0.jar
java -jar kredis-1.0.0.jar 3000
```
## Netcat
```
nc [HOST] [PORT]
```
example
```
nc localhost 3000
```
## Kotlin Client:
```
java -cp kredis-1.0.0.jar main.SocketClient [HOST] [PORT]
```
examples
```
java -cp kredis-1.0.0.jar main.SocketClient
java -cp kredis-1.0.0.jar main.SocketClient 127.0.0.1
java -cp kredis-1.0.0.jar main.SocketClient localhost 3000
```
## NodeJs Client:
```
node client.js [HOST] [PORT]
```
examples
```
node client.js
node client.js 127.0.0.1
node client.js localhost 3000
```
## **Commands**
kredis keeps it simple with just a handful of commands. Here’s the full list:
### **SET key value**
Stores a value under a key.
Keys and values must not contain spaces (keep it simple, man).
Example:
set hello world
Response: OK
### **GET key**
Retrieves the value stored under a key.
Example:
get hello
Response: world
### **DEL key**
Deletes a key and its value.
Example:
del hello
Response: OK
### **INCR key [value]**
Increments the numeric value of a key by the specified [value]. If the [value] is not provided, it defaults to 1. If the key doesn’t exist, it starts at 0.
Examples:
Increment by 1 (default):
incr counter
Response: 1
Increment by a specific value:
incr score 10
Response: 10
### **DECR key [value]**
Decrements the numeric value of a key by the specified [value]. If the [value] is not provided, it defaults to 1. If the key doesn’t exist, it starts at 0.
Examples:
Decrement by 1 (default):
decr counter
Response: -1
Decrement by a specific value:
decr score 2
Response: 8
### **STOP**
Closes the session and disconnects from HippieDB. Use this when you’re done sharing the vibes.
Example:
stop
Response: (connection closes)
---
Refactored from [this](https://github.com/pjambet/tcp-servers) based on this blog post
https://blog.pjam.me/posts/toy-redis-go/