Networking

const server = createCrosslinkServer({
  application: { id: "com.example.app", name: "My App", version: "1.0.0" },
  lan: { enabled: true, bind: "all" }
});

connected -> offline -> reconnecting -> connected
                                 |
                                 v (after max retries)
                            offline (give up)

1. lan     the host's address on this network — fastest, private, no third party
2. wan     a public address with a confirmed router mapping — direct, no relay
3. sig     a signaling service that brokers the connection
4. relay   a relay service that forwards encrypted frames
5. tunnel  a provider tunnel the developer opted into

Phone  <--ws://192.168.1.42:port-->  Desktop

const server = createCrosslinkServer({
  lan: { enabled: true, bind: "all", host: "192.168.1.42" }
});

Phone  <--ws-->  Relay (internet)  <--ws-->  Desktop (behind NAT)

Phone on same WiFi  <--ws://192.168.1.42-->  Desktop (LAN)
Phone on cellular    <--ws-->  Relay  <--ws-->  Desktop (relay)

import { tryUpgradeToWebrtc } from "@crosslink/webrtc-adapter";

await tryUpgradeToWebrtc(client.connection!, {
  createPeer: () => new RTCPeerConnection({ iceServers })
});