@bcjordan/node-datachannel/test/connectivity.js

libdatachannel node bindings

// eslint-disable-next-line @typescript-eslint/no-var-requires
const nodeDataChannel = require('../lib/index');

nodeDataChannel.initLogger('Debug');
nodeDataChannel.preload();

let dc1 = null;
let dc2 = null;

// Config options
// export interface RtcConfig {
//     iceServers: string[];
//     proxyServer?: ProxyServer;
//     bindAddress?: string;
//     enableIceTcp?: boolean;
//     portRangeBegin?: number;
//     portRangeEnd?: number;
//     maxMessageSize?: number;
//     iceTransportPolicy?: TransportPolicy;
// }
//
// "iceServers" option is an array of stun/turn server urls
// Examples;
// STUN Server Example          : stun:stun.l.google.com:19302
// TURN Server Example          : turn:USERNAME:PASSWORD@TURN_IP_OR_ADDRESS:PORT
// TURN Server Example (TCP)    : turn:USERNAME:PASSWORD@TURN_IP_OR_ADDRESS:PORT?transport=tcp
// TURN Server Example (TLS)    : turns:USERNAME:PASSWORD@TURN_IP_OR_ADDRESS:PORT

let peer1 = new nodeDataChannel.PeerConnection('Peer1', { iceServers: ['stun:stun.l.google.com:19302'] });

// Set Callbacks
peer1.onStateChange((state) => {
    console.log('Peer1 State:', state);
});
peer1.onGatheringStateChange((state) => {
    console.log('Peer1 GatheringState:', state);
});
peer1.onLocalDescription((sdp, type) => {
    console.log('Peer1 SDP:', sdp, ' Type:', type);
    peer2.setRemoteDescription(sdp, type);
});
peer1.onLocalCandidate((candidate, mid) => {
    console.log('Peer1 Candidate:', candidate);
    peer2.addRemoteCandidate(candidate, mid);
});

let peer2 = new nodeDataChannel.PeerConnection('Peer2', { iceServers: ['stun:stun.l.google.com:19302'] });

// Set Callbacks
peer2.onStateChange((state) => {
    console.log('Peer2 State:', state);
});
peer2.onGatheringStateChange((state) => {
    console.log('Peer2 GatheringState:', state);
});
peer2.onLocalDescription((sdp, type) => {
    console.log('Peer2 SDP:', sdp, ' Type:', type);
    peer1.setRemoteDescription(sdp, type);
});
peer2.onLocalCandidate((candidate, mid) => {
    console.log('Peer2 Candidate:', candidate);
    peer1.addRemoteCandidate(candidate, mid);
});
peer2.onDataChannel((dc) => {
    console.log('Peer2 Got DataChannel: ', dc.getLabel());
    dc2 = dc;
    dc2.onMessage((msg) => {
        console.log('Peer2 Received Msg:', msg);
    });
    dc2.sendMessage('Hello From Peer2');
    dc2.onClosed(() => {
        console.log('dc2 closed');
    });
});

// DataChannel Options
// export interface DataChannelInitConfig {
//     protocol?: string;
//     negotiated?: boolean;
//     id?: number;
//     ordered?: boolean;
//     maxPacketLifeTime?: number;
//     maxRetransmits?: number;
// }
dc1 = peer1.createDataChannel('test');
dc1.onOpen(() => {
    dc1.sendMessage('Hello from Peer1');
    // Binary message: Use sendMessageBinary(Buffer)
});
dc1.onMessage((msg) => {
    console.log('Peer1 Received Msg:', msg);
});
dc1.onClosed(() => {
    console.log('dc1 closed');
});

setTimeout(() => {
    dc1.close();
    dc2.close();
    peer1.close();
    peer2.close();
    nodeDataChannel.cleanup();
}, 5 * 1000);