43 lines
977 B
JavaScript
43 lines
977 B
JavaScript
import { dispatch } from './store';
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import { subscribe } from './actions/subscribe';
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let ws;
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let serial = 0;
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let transactions = {};
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export default function ws_send(type, body, callback = null) {
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const _serial = serial++;
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if (callback) {
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transactions[_serial] = callback;
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}
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const msg = JSON.stringify({
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type,
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serial: _serial,
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...body
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});
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console.log("->", msg);
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ws.send(msg);
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return _serial;
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}
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const handlers = {
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RESOURCES_EXTANT: msg => dispatch(subscribe(...msg.ids)),
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UPDATE_RESOURCES: msg => dispatch(msg)
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};
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function ws_recv(e) {
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const msg = JSON.parse(e.data);
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console.log("<-", msg);
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const cb = transactions[msg.serial];
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cb && cb(msg);
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const handler = handlers[msg.type];
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handler && handler(msg);
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}
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export function ws_init(cb) {
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ws = new WebSocket("ws://127.0.0.1:8412");
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ws.addEventListener("open", cb);
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ws.addEventListener("message", ws_recv);
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ws.addEventListener("close", () => console.log("ws closed"));
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}
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