javalin-socketio
Socket.io plugin for Javalin
Usage
Default path
Javalin.create() { config ->
// Optional custom path
// config.registerPlugin(SocketIoPlugin(mypath) { io ->
config.registerPlugin(SocketIoPlugin() { io ->
io.namespace("/") { socket ->
// Get query params from initial connection
val query = socket.initialQuery["myParam"] // -> myValue
// send "hello" on connect
socket.send("hello")
// send "pong" on "ping" event
socket.on("ping") {
socket.send("pong")
}
}
// Define multiple namespaces
io.namespace("/foo") { socket ->
socket.send("hello from foo")
}
})
}.start(7000)