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Remove listener before starts a new one

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Signed-off-by: Hung-Han (Henry) Chen <chenhungh@gmail.com>
This commit is contained in:
Hung-Han (Henry) Chen 2021-11-23 13:30:26 +02:00
parent ecc87933b2
commit 068a92365e
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GPG Key ID: 54B44603D251B788
1 changed files with 36 additions and 31 deletions
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67
src/common/k8s-api/kube-api.ts
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@ -545,6 +545,38 @@ export class KubeApi<T extends KubeObject> {
return retry(() => dns.lookup(url), retryOptions);
}
private suspendListener(opts: KubeApiWatchOptions, abort: AbortController["abort"], watchId: string, watchUrl: string) {
logger.info(`[KUBE-API] system suspended, abort watching of ${watchUrl}...`);
try {
if (opts.abortController) {
opts.abortController.abort?.();
} else {
abort?.();
}
} catch (error) {
logger.error(`[KUBE-API] error aborting watch (${watchId})`, error);
}
electron.powerMonitor.once("resume", () => {
const url = "k8slens.dev"; // url to check if domain names are resolvable.
this.whenCanResolveDomainName(url, { retries: 50, maxTimeout: 3000 }).then(() => {
logger.info(`[KUBE-API] domain name can be resolved.`);
let abortController = opts.abortController;
if (opts.abortController.signal.aborted) {
abortController = new AbortController();
}
logger.info(`[KUBE-API] system resumed, resume watching of ${watchUrl}...`);
this.watch({ ...opts, abortController });
}).catch((error) => {
logger.warn(`[KUBE-API] error resolving domain name ${url}`, error);
});
});
}
watch(opts: KubeApiWatchOptions = { namespace: "", retry: false }): () => void {
let errorReceived = false;
let timedRetry: NodeJS.Timeout;
@ -566,37 +598,10 @@ export class KubeApi<T extends KubeObject> {
this.watchSystemStatus();
}
electron.powerMonitor.once("suspend", () => {
logger.info(`[KUBE-API] system suspended, abort watching of ${watchUrl}...`);
try {
if (opts.abortController) {
opts.abortController.abort?.();
} else {
abort?.();
}
} catch (error) {
logger.error(`[KUBE-API] error aborting watch (${watchId})`, error);
}
electron.powerMonitor.once("resume", () => {
const url = "k8slens.dev"; // url to check if domain names are resolvable.
this.whenCanResolveDomainName(url, { retries: 50, maxTimeout: 3000 }).then(() => {
logger.info(`[KUBE-API] domain name can be resolved.`);
let abortController = opts.abortController;
if (opts.abortController.signal.aborted) {
abortController = new AbortController();
}
logger.info(`[KUBE-API] system resumed, resume watching of ${watchUrl}...`);
this.watch({ ...opts, abortController, namespace, callback, watchId, retry: true });
}).catch((error) => {
logger.warn(`[KUBE-API] error resolving domain name ${url}`, error);
});
});
});
electron.powerMonitor.removeListener("suspend", this.suspendListener);
electron.powerMonitor.addListener("suspend", this.suspendListener.bind(
{ ...opts, namespace, callback, watchId, retry: true }, abort, watchId, watchUrl),
);
responsePromise
.then(response => {