72 lines
2.1 KiB
TypeScript
72 lines
2.1 KiB
TypeScript
import { AcInfinityApiClient, AcInfinityApiError } from "../http/AcInfinityApiClient";
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import { TyphonMetrics } from "../metrics/TyphonMetrics";
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import { Logger } from "../observability/Logger";
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export class ClimatePollingService {
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private timer: NodeJS.Timeout | null = null;
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private inFlight = false;
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public constructor(
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private readonly client: AcInfinityApiClient,
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private readonly metrics: TyphonMetrics,
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private readonly logger: Logger,
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private readonly pollIntervalSeconds: number
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) {}
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public start(): void {
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void this.pollOnce();
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this.timer = setInterval(() => {
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void this.pollOnce();
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}, this.pollIntervalSeconds * 1000);
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}
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public stop(): void {
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if (this.timer) {
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clearInterval(this.timer);
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this.timer = null;
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}
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}
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private async pollOnce(): Promise<void> {
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if (this.inFlight) {
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this.logger.warn("skipping poll because previous poll is still running");
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return;
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}
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this.inFlight = true;
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try {
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const snapshot = await this.client.fetchSnapshot();
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this.metrics.updateFromSnapshot(snapshot);
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this.logger.info("poll succeeded", {
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controller_count: snapshot.controllers.length
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});
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} catch (error) {
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const { reason, code } = this.classifyError(error);
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this.metrics.markPollFailure(reason, code);
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this.logger.error("poll failed", {
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reason,
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code,
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error_message: error instanceof Error ? error.message : String(error)
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});
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} finally {
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this.metrics.refreshDataAgeGauge();
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this.inFlight = false;
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}
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}
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private classifyError(error: unknown): { reason: string; code: string } {
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if (error instanceof AcInfinityApiError) {
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if (error.apiCode === "10001" || error.apiCode === "invalid_auth") {
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return { reason: "auth", code: error.apiCode };
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}
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return { reason: "api", code: error.apiCode };
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}
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if (error instanceof Error && error.name === "AbortError") {
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return { reason: "timeout", code: "timeout" };
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}
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return { reason: "unknown", code: "unknown" };
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}
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}
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