Raspberry

A tiny raw socket chat server (made for netcat)

Tip

Run netcat (nc) with rlwrap for the best experience rlwrap nc <host> <port>

Features:

• Basic chat functionality (multi-threaded)
• Choose username (supports user mention highlight f.e. @user)
• Join any channel (/join channel>)
• Color customization (/color <color>)
• Whisper to a user (/whisper <user>)

How to run/build

Requires Java 9+

Run in project environment

gradle run

Build & run jar

./gradlew shadowJar
java -jar app/build/libs/raspberry.jar

Configurations

Environment variables:

• RASPBERRY_HOST default: 0.0.0.0
• RASPBERRY_PORT default: 5555
• RASPBERRY_SERVER_NAME default: "Raspberry chat server"
• RASPBERRY_DEFAULT_CHANNEL default: "general"
• RASPBERRY_MAX_USERNAME_LENGTH default: 16
• RASPBERRY_MAX_MESSAGE_LENGTH default: 256
• RASPBERRY_MAX_MESSAGE_RATE default: 100 (ms)
• RASPBERRY_MESSAGE_FREE_THRESHOLD default: 50