feat: implement advanced settings for user preferences, allowing configuration of max concurrent requests, reader prefetch count, and circuit breaker settings
This commit is contained in:
@@ -2,6 +2,8 @@
|
||||
* Circuit Breaker pour éviter de surcharger Komga quand il est défaillant
|
||||
* Évite l'effet avalanche en coupant les requêtes vers un service défaillant
|
||||
*/
|
||||
import type { CircuitBreakerConfig } from "@/types/preferences";
|
||||
|
||||
interface CircuitBreakerState {
|
||||
state: 'CLOSED' | 'OPEN' | 'HALF_OPEN';
|
||||
failureCount: number;
|
||||
@@ -17,13 +19,44 @@ class CircuitBreaker {
|
||||
nextAttemptTime: 0,
|
||||
};
|
||||
|
||||
private readonly config = {
|
||||
private config = {
|
||||
failureThreshold: 5, // Nombre d'échecs avant ouverture
|
||||
recoveryTimeout: 30000, // 30s avant tentative de récupération
|
||||
successThreshold: 3, // Nombre de succès pour fermer le circuit
|
||||
resetTimeout: 60000, // Délai de reset après échec
|
||||
};
|
||||
|
||||
private getConfigFromPreferences: (() => Promise<CircuitBreakerConfig>) | null = null;
|
||||
|
||||
/**
|
||||
* Configure une fonction pour récupérer dynamiquement la config depuis les préférences
|
||||
*/
|
||||
setConfigGetter(getter: () => Promise<CircuitBreakerConfig>): void {
|
||||
this.getConfigFromPreferences = getter;
|
||||
}
|
||||
|
||||
/**
|
||||
* Récupère la config actuelle, soit depuis les préférences, soit depuis les valeurs par défaut
|
||||
*/
|
||||
private async getCurrentConfig(): Promise<typeof this.config> {
|
||||
if (this.getConfigFromPreferences) {
|
||||
try {
|
||||
const prefConfig = await this.getConfigFromPreferences();
|
||||
return {
|
||||
failureThreshold: prefConfig.threshold ?? 5,
|
||||
recoveryTimeout: prefConfig.timeout ?? 30000,
|
||||
resetTimeout: prefConfig.resetTimeout ?? 60000,
|
||||
};
|
||||
} catch (error) {
|
||||
console.error('Error getting circuit breaker config from preferences:', error);
|
||||
return this.config;
|
||||
}
|
||||
}
|
||||
return this.config;
|
||||
}
|
||||
|
||||
async execute<T>(operation: () => Promise<T>): Promise<T> {
|
||||
const config = await this.getCurrentConfig();
|
||||
|
||||
if (this.state.state === 'OPEN') {
|
||||
if (Date.now() < this.state.nextAttemptTime) {
|
||||
throw new Error('Circuit breaker is OPEN - Komga service unavailable');
|
||||
@@ -36,7 +69,7 @@ class CircuitBreaker {
|
||||
this.onSuccess();
|
||||
return result;
|
||||
} catch (error) {
|
||||
this.onFailure();
|
||||
await this.onFailure(config);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
@@ -50,14 +83,14 @@ class CircuitBreaker {
|
||||
}
|
||||
}
|
||||
|
||||
private onFailure(): void {
|
||||
private async onFailure(config: typeof this.config): Promise<void> {
|
||||
this.state.failureCount++;
|
||||
this.state.lastFailureTime = Date.now();
|
||||
|
||||
if (this.state.failureCount >= this.config.failureThreshold) {
|
||||
if (this.state.failureCount >= config.failureThreshold) {
|
||||
this.state.state = 'OPEN';
|
||||
this.state.nextAttemptTime = Date.now() + this.config.recoveryTimeout;
|
||||
console.warn(`[CIRCUIT-BREAKER] 🔴 Circuit OPEN - Komga failing (${this.state.failureCount} failures)`);
|
||||
this.state.nextAttemptTime = Date.now() + config.resetTimeout;
|
||||
console.warn(`[CIRCUIT-BREAKER] 🔴 Circuit OPEN - Komga failing (${this.state.failureCount} failures, reset in ${config.resetTimeout}ms)`);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user