This tool continuously fetches the DDNet master server and observes the changes, broadcasting the events to connected websockets.
By default it listens to 127.0.0.1:3000 and the websocket connection is at ws://localhost:3000/ws
Port can be changed with the PORT environment variable.
> RUST_LOG="teeobserver=debug"
> teeobserver
2023-10-02T14:18:54.933535Z DEBUG teeobserver::util: making request to master
2023-10-02T14:18:55.419999Z DEBUG teeobserver::util: got 1139 servers
2023-10-02T14:18:55.421385Z INFO teeobserver: listening on http://127.0.0.1:3000
2023-10-02T14:18:55.422382Z DEBUG teeobserver::util: making request to master
2023-10-02T14:18:55.525406Z DEBUG teeobserver::util: got 1139 servers
2023-10-02T14:18:55.530730Z INFO teeobserver: sent 0 events to 0 receivers
2023-10-02T14:18:57.627921Z INFO teeobserver::routes: `websocket: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/118.0` at 127.0.0.1:44564 connected.
2023-10-02T14:19:05.422137Z DEBUG teeobserver::util: making request to master
2023-10-02T14:19:05.554810Z DEBUG teeobserver::util: got 1139 servers
2023-10-02T14:19:05.559945Z INFO teeobserver: sent 68 events to 1 receivers
2023-10-02T14:19:15.421549Z DEBUG teeobserver::util: making request to master
2023-10-02T14:19:15.540133Z DEBUG teeobserver::util: got 1139 servers
2023-10-02T14:19:15.545310Z INFO teeobserver: sent 75 events to 1 receivers
To connect with a simple webpage:
<html>
<body>
</body>
<script>
// Create WebSocket connection.
const socket = new WebSocket("ws://localhost:3000/ws");
// Listen for messages
socket.addEventListener("message", (event) => {
console.log("Message from server ", event.data);
});
</script>
</html>Useful typescript interfaces:
// Event structure send to the websocket
export interface MasterEvent {
observers: number
event: Event
time: string
}
export interface Event {
ClientJoined?: ClientJoined
ClientLeft?: ClientLeft
ServerWentOffline?: ServerWentOffline
ServerWentOnline?: ServerWentOnline
}
export interface ClientLeft {
client: Client
server: Server
}
export interface ClientJoined {
client: Client
server: Server
}
export interface ServerWentOffline {
addresses: string[]
info: Info
location: string
}
export interface ServerWentOnline {
addresses: string[]
info: Info
location: string
}
export interface Client {
afk?: boolean
clan: string
country: number
is_player: boolean
name: string
score: number
skin: Skin
team?: number
}
export interface Skin {
color_body?: number
color_feet?: number
name: string
}
export interface Server {
addresses: string[]
info: Info
location: string
}
export interface Info {
client_score_kind?: string
clients: Client[]
game_type: string
map: Map
max_clients: number
max_players: number
name: string
passworded: boolean
version: string
}
export interface Map {
name: string
sha256?: string
size: number
}
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