eclipsesource / virgo_game_of_life

Eclipse Virgo by Example: Game of Life

Important urls:

[http://localhost:8080/gol/springtime](Spring basic configuration check)

[http://localhost:8080/gol/ping](WebSocket ping endpoint) <Can "Upgrade" only to "WebSocket">

[http://localhost:8080/gol/stock](Spring stock examples endpoint)

[http://localhost:8080/gol/ws/info](WebSocket information)

::::json
{"entropy":2113121810,"origins":["*:*"],"cookie_needed":true,"websocket":true}

[http://localhost:8080/gol/board](Game of Life board)

Build game-of-life

Dockerize the example

::::sh
$ ./gradlew build :app:dockerize

Run the dockerized example

::::sh
$ docker run --rm -it -p 8080:8080 -p 2501:2501 --hostname gol --name gol game-of-life/app

Access the OSGi console of the running container with

::::ssh
$ telnet localhost 2501
OSGi>

virgo_game_of_life's Issues

JavaScript Library lzutf8 anschauen

https://www.npmjs.com/package/lzutf8

Result: JUnit test

Implement GoL engine

This includes the OSGi commands:

• init [x[,y]] - create a new game with default size, square size or specific size
• print - print the current game state to the console
• run [ms] - run the game with the given update interval
• pause - pause the game
• next - run a single step
• toggle x,y - toggle a single field

JavaScript + Spring

Result; JUnit test

Add OSGi command to add fancy game-of-life objects

Ideas for gol objects to support: https://de.wikipedia.org/wiki/Conways_Spiel_des_Lebens

OSGi> add {object name} [0[, 3]]

OSGi> add blinker
OSGi> add glider 3 4
OSGi> add LWSS 2 2

Create docker container containing the Virgo game-of-life example

GoL Sample anschauen

https://github.com/TheIronDeveloper/websocket-of-life

• server
• client

Result: Docker Image

Websockets anschauen (theory)

• Quellen, Sourcen
• Slides (?)

Implement server-side WebSocket

The goal of this ticket is:

• migrate the Javascript code to match with the Spring stomp over WebSocket sample. (Stockticker)
• wire the game engine with the web layer

API Client/Server + Server/Client

Result: documentation, slides

JavaScript Library jenova

https://www.npmjs.com/package/jenova

Result: JUnit test, e.g. compress, expand, next

Add JMX based deployer

As a user I'd like to deploy the server-side bundle with a single script call. (e.g. ./gradlew run)

Repackage static client-side resources as webjar

• repackage resources
• create WAB metadata

Migrate the osgi configurations to blueprint 2.0

jenova + Virgo marriage

Rename base package to com.eclipsesource.examples.gol

Expose the GameEngine functionality "print" and "next" via REST

The Get request to URL gol/print should print the current board.
The Post request to URL gol/next should trigger the creation of a new generation.