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don't allow schedulePoll to be called twice

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This commit is contained in:
jesopo 2022-04-25 11:12:35 +00:00
parent 722c9c3774
commit af25f831e7
1 changed files with 16 additions and 4 deletions
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20
src/report/ReportPoll.ts
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@ -41,13 +41,25 @@ export class ReportPoll {
) { }
private schedulePoll() {
this.timeout = setTimeout(
this.getAbuseReports.bind(this),
60_000 // a minute in milliseconds
);
if (this.timeout === null) {
/*
* Important that we use `setTimeout` here, not `setInterval`,
* because if there's networking problems and `getAbuseReports`
* hangs for longer thank the interval, it could cause a stampede
* of requests when networking problems resolve
*/
this.timeout = setTimeout(
this.getAbuseReports.bind(this),
60_000 // a minute in milliseconds
);
else {
throw new InvalidStateError("poll already scheduled");
}
}
private async getAbuseReports() {
this.timeout = null;
let response_: {
event_reports: { room_id: string, event_id: string, sender: string, reason: string }[],
next_token: number | undefined