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#1201 Add progressive backoff for Wago frame

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jliddev
2022-05-02 07:57:37 -05:00
parent 8766eff959
commit 85b89b52e1
1 changed files with 30 additions and 3 deletions
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33
wowup-electron/assets/preload/wago.js
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@@ -5,6 +5,11 @@ const { inspect } = require("util");
const LOG_PATH = getArg("log-path");
const BACKOFF_KEY = "wago-backoff";
const BACKOFF_SET_KEY = "wago-backoff-set";
const BACKOFF_RESET_AGE = 5 * 60000;
const BACKOFF_MAX_WAIT = 2 * 60000;
let keyExpectedTimeout = 0;
function getArg(argKey) {
@@ -40,7 +45,7 @@ window.addEventListener(
const errMsg = e.error?.toString() || "unknown error on " + window.location;
console.error(`[wago-preload] error listener:`, e.message, errMsg);
ipcRenderer.send("webview-error", inspect(e.error), e.message);
window.setTimeout(() => window.location.reload(), 2000);
backoffReload();
},
true
);
@@ -62,7 +67,29 @@ contextBridge.exposeInMainWorld("wago", {
// Can happen if the page returns bad responses (500 etc)
keyExpectedTimeout = window.setTimeout(() => {
console.log("[wago-preload] failed to get key in time, reloading");
window.location.reload();
backoffReload();
}, 30000);
console.log(`[wago-preload] init`);
console.log(`[wago-preload] init`, window.location.href);
function backoffReload() {
let backoffSet = window.sessionStorage.getItem("wago-backoff-set");
backoffSet = backoffSet ? parseInt(backoffSet, 10) : 0;
let backoff = window.sessionStorage.getItem(BACKOFF_KEY);
backoff = Math.min(backoff ? parseInt(backoff, 10) * 2 : 2000, BACKOFF_MAX_WAIT);
// If the backoff time is old, reset the backoff
if (Date.now() - backoffSet > BACKOFF_RESET_AGE) {
backoff = 2000;
}
console.log("[wago] setting reload backoff", backoff);
window.sessionStorage.setItem(BACKOFF_KEY, backoff);
window.sessionStorage.setItem(BACKOFF_SET_KEY, Date.now().toString());
// Wait the calculated time
window.setTimeout(() => {
window.location.reload();
}, backoff);
}