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72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
/**
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* Health Checker — 健康检查器
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*
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* @see docs/生产级通用 AI Agent 智能体桌面应用：完整设计与构建指南.html — 第十一章
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*/
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import { existsSync } from 'fs';
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import { join } from 'path';
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import { app } from 'electron';
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export interface HealthReport {
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healthy: boolean;
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checks: HealthCheck[];
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timestamp: Date;
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}
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export interface HealthCheck {
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name: string;
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healthy: boolean;
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latencyMs?: number;
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error?: string;
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}
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export class HealthChecker {
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constructor(private dbPath?: string) {}
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async check(): Promise<HealthReport> {
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const checks: HealthCheck[] = [];
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checks.push(await this.checkDatabase());
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checks.push(await this.checkDiskSpace());
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checks.push(await this.checkMemoryUsage());
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const allHealthy = checks.every((c) => c.healthy);
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return { healthy: allHealthy, checks, timestamp: new Date() };
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}
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private async checkDatabase(): Promise<HealthCheck> {
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const start = Date.now();
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try {
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if (this.dbPath && existsSync(this.dbPath)) {
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return { name: 'database', healthy: true, latencyMs: Date.now() - start };
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}
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return { name: 'database', healthy: false, error: 'Database file not found' };
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} catch (error) {
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return { name: 'database', healthy: false, error: (error instanceof Error ? error.message : String(error)) };
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}
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}
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private async checkDiskSpace(): Promise<HealthCheck> {
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try {
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const userDataPath = app.getPath('userData');
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// 简单检查：userData 目录是否存在且可写
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if (existsSync(userDataPath)) {
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return { name: 'disk_space', healthy: true };
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}
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return { name: 'disk_space', healthy: false, error: 'User data path not accessible' };
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} catch (error) {
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return { name: 'disk_space', healthy: false, error: (error instanceof Error ? error.message : String(error)) };
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}
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}
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private async checkMemoryUsage(): Promise<HealthCheck> {
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const used = process.memoryUsage();
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const heapUsedMB = used.heapUsed / 1024 / 1024;
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const thresholdMB = 512;
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return {
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name: 'memory_usage',
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healthy: heapUsedMB < thresholdMB,
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...(heapUsedMB >= thresholdMB ? { error: `Heap usage ${heapUsedMB.toFixed(0)}MB exceeds threshold ${thresholdMB}MB` } : {}),
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};
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}
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}
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