Facilitates decoding of Socket.IO and Engine.IO packets, enabling seamless processing of various packet types like connect, disconnect, and events with efficient parsing capabilities.
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A Kotlin parser for Socket.IO / Engine.IO packet decoding
Add the dependency:
dependencies {
implementation("org.hildan.socketio:socketio-kotlin:$version")
}
val encodedTextPacket: String = TODO("get an encoded packet, for instance a web socket frame body")
val engineIOPacket = EngineIO.decodeSocketIO(encodedTextPacket)
when (engineIOPacket) {
is EngineIOPacket.Open,
is EngineIOPacket.Close,
is EngineIOPacket.Upgrade,
is EngineIOPacket.Noop,
is EngineIOPacket.Ping,
is EngineIOPacket.Pong -> TODO("process transport Engine.IO packet")
is EngineIOPacket.Message -> when (val socketIOPacket = engineIoPacket.payload) {
is SocketIOPacket.Connect,
is SocketIOPacket.ConnectError,
is SocketIOPacket.Disconnect -> TODO("process transport Socket.IO packet")
is SocketIOPacket.Event,
is SocketIOPacket.Ack -> {
val namespace = socketIOPacket.namespace
val eventType = socketIOPacket.payload[0].jsonPrimitive.content
val eventPayload = socketIOPacket.payload[1].jsonObject
println("Received Socket.IO event $eventType at $namespace: $eventPayload")
}
}
}