bit4sat/web/src/Websocket.js

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import { apiPort } from './api.js';
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let singleton = false;
export class WS {
constructor(){
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console.log("starting new websocket")
if (singleton && singleton.open) {
return singleton;
}
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const endpoint = `ws://localhost:2015/ws`;
this.conn = new WebSocket(endpoint);
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this.conn.onerror = this.onerror();
this.conn.onclose = this.onclose();
this.conn.onmessage = this.onmessage();
this.conn.onopen = this.onopen();
}
send(data) {
this.conn.send(data);
}
onopen(){
let self = this;
return (ev) => {
self.opened = true;
console.log("websocket opened");
}
}
onerror (){
let self = this;
return (ev) => {
console.error(ev);
}
}
onclose () {
let self = this;
let instance = singleton
return (ev) => {
console.warn("websocket closed");
//TODO: restore on prod
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//setTimeout(() =>{
//console.log("websocket: trying to reconnect")
//instance = new WS()
//}, 3000)
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}
}
onmessage() {
let self = this;
return (ev) => {
let msg = JSON.parse(ev.data);
switch (msg.type) {
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case 'hello':
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console.log(msg.data);
break;
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case 'upload-accepted':
console.log(msg)
break;
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}
}
}
}