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webdojo: attempt reconnecting only after success

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Instead of always endlessly trying even if the endpoint was never
acknowledged.
This commit is contained in:
Fang 2020-10-06 18:28:50 +02:00
parent b12f89228b
commit f9e6c9f913
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GPG Key ID: EB035760C1BBA972
1 changed files with 9 additions and 5 deletions
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14
pkg/interface/src/views/apps/dojo/subscription.js
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@ -19,9 +19,11 @@ export default class Subscription {
setupSlog() { setupSlog() {
const slog = new EventSource('/~/slog', { withCredentials: true }); const slog = new EventSource('/~/slog', { withCredentials: true });
let available = false;
slog.onopen = e => { slog.onopen = e => {
console.log('slog: opened stream'); console.log('slog: opened stream');
available = true;
} }
slog.onmessage = e => { slog.onmessage = e => {
@ -30,11 +32,13 @@ export default class Subscription {
slog.onerror = e => { slog.onerror = e => {
console.error('slog: eventsource error:', e); console.error('slog: eventsource error:', e);
window.setTimeout(() => { if (available) {
if (slog.readyState !== EventSource.CLOSED) return; window.setTimeout(() => {
console.log('slog: reconnecting...'); if (slog.readyState !== EventSource.CLOSED) return;
this.setupSlog(); console.log('slog: reconnecting...');
}, 10000); this.setupSlog();
}, 10000);
}
} }
} }