56 lines
1.8 KiB
JavaScript
56 lines
1.8 KiB
JavaScript
/**
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* GsWebSocket to do Ghostream signalling
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*/
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export class GsWebSocket {
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constructor() {
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const protocol = (window.location.protocol === "https:") ? "wss://" : "ws://";
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this.url = protocol + window.location.host + "/_ws/";
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}
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_open() {
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this.socket = new WebSocket(this.url);
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}
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/**
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* Open websocket.
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*
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* @param {Function} openCallback Function called when connection is established.
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* @param {Function} closeCallback Function called when connection is lost.
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*/
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open(openCallback, closeCallback) {
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this._open();
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this.socket.addEventListener("open", (event) => {
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console.log("WebSocket opened");
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openCallback(event);
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});
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this.socket.addEventListener("close", (event) => {
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console.log("WebSocket closed, retrying connection in 1s...");
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setTimeout(this._open, 1000);
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closeCallback(event);
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});
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this.socket.addEventListener("error", (event) => {
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console.log("WebSocket errored, retrying connection in 1s...");
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setTimeout(this._open, 1000);
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closeCallback(event);
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});
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}
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/**
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* Exchange WebRTC session description with server.
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*
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* @param {string} data JSON formated data
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* @param {Function} receiveCallback Function called when data is received
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*/
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exchangeDescription(data, receiveCallback) {
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if (this.socket.readyState !== 1) {
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console.log("WebSocket not ready to send data");
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return;
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}
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this.socket.send(data);
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this.socket.addEventListener("message", (event) => {
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console.log("Message from server ", event.data);
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receiveCallback(event);
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});
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}
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}
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