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api缓存删除失败bug预修复

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kjqwer
2025-09-25 09:31:33 +08:00
parent 735d62bc8e
commit b3dd41ec44
1 changed files with 109 additions and 22 deletions
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backend/services/api-cache.js
+108 -21
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@@ -3,6 +3,7 @@ const path = require('path');
const crypto = require('crypto');
const CacheConfigManager = require('../config/cache-config');
const { defaultLogger } = require('../utils/logger');
const FileUtils = require('../utils/file-utils');
// 创建logger实例
const logger = defaultLogger.child('ApiCacheService');
@@ -297,13 +298,22 @@ class ApiCacheService {
// 计算总大小和收集文件信息
for (const file of files) {
const filePath = path.join(this.cacheDir, file);
const stats = await fs.stat(filePath);
totalSize += stats.size;
fileStats.push({
path: filePath,
size: stats.size,
mtime: stats.mtime
});
try {
const stats = await fs.stat(filePath);
totalSize += stats.size;
fileStats.push({
path: filePath,
size: stats.size,
mtime: stats.mtime
});
} catch (error) {
// 如果文件不存在，跳过
if (error.code === 'ENOENT') {
logger.debug(`API缓存文件不存在，跳过: ${filePath}`);
} else {
logger.debug(`检查API缓存文件失败: ${filePath}`, error.message);
}
}
}
// 如果超过最大大小，删除最旧的文件
@@ -314,8 +324,13 @@ class ApiCacheService {
fileStats.sort((a, b) => a.mtime.getTime() - b.mtime.getTime());
for (const file of fileStats) {
await fs.unlink(file.path);
totalSize -= file.size;
const deleteSuccess = await FileUtils.safeDeleteFile(file.path);
if (deleteSuccess) {
totalSize -= file.size;
logger.debug(`删除过大API缓存文件: ${file.path}`);
} else {
logger.debug(`删除过大API缓存文件失败: ${file.path}`);
}
if (totalSize <= this.config.maxSize * 0.8) { // 清理到80%
break;
@@ -337,20 +352,60 @@ class ApiCacheService {
try {
const files = await fs.readdir(this.cacheDir);
let cleanedCount = 0;
let errorCount = 0;
let skippedCount = 0;
const now = Date.now();
for (const file of files) {
const filePath = path.join(this.cacheDir, file);
const stats = await fs.stat(filePath);
try {
const stats = await fs.stat(filePath);
const age = Date.now() - stats.mtime.getTime();
if (age > this.config.maxAge) {
await fs.unlink(filePath);
cleanedCount++;
const age = now - stats.mtime.getTime();
if (age > this.config.maxAge) {
// 简单的文件占用检查（仅在Windows上）
if (process.platform === 'win32') {
try {
// 尝试以独占模式打开文件来检查是否被占用
const handle = await fs.open(filePath, 'r');
await handle.close();
} catch (openError) {
if (openError.code === 'EBUSY' || openError.code === 'EPERM') {
logger.debug(`跳过被占用的过期API缓存文件: ${filePath}`);
skippedCount++;
continue;
}
}
}
// 使用改进的安全删除方法
const deleteSuccess = await FileUtils.safeDeleteFile(filePath);
if (deleteSuccess) {
cleanedCount++;
logger.debug(`成功删除过期API缓存文件: ${filePath}`);
} else {
errorCount++;
// 减少日志噪音，只在debug级别记录
logger.debug(`删除过期API缓存文件失败: ${filePath}`);
}
}
} catch (error) {
// 如果文件不存在，静默忽略
if (error.code === 'ENOENT') {
logger.debug(`过期API缓存文件不存在，跳过: ${filePath}`);
} else {
logger.debug(`检查过期API缓存文件失败: ${filePath}`, error.message);
errorCount++;
}
}
}
if (cleanedCount > 0) {
logger.info(`清理了 ${cleanedCount} 个过期API缓存文件`);
if (cleanedCount > 0 || errorCount > 0 || skippedCount > 0) {
if (errorCount === 0 && skippedCount === 0) {
logger.info(`清理了 ${cleanedCount} 个过期API缓存文件`);
} else {
logger.info(`API缓存清理完成，成功删除 ${cleanedCount} 个文件，失败 ${errorCount} 个文件，跳过 ${skippedCount} 个被占用文件`);
}
}
} catch (error) {
logger.error('清理过期API缓存失败:', error);
@@ -375,13 +430,36 @@ class ApiCacheService {
async clearAllCache() {
try {
const files = await fs.readdir(this.cacheDir);
let cleanedCount = 0;
let errorCount = 0;
for (const file of files) {
const filePath = path.join(this.cacheDir, file);
await fs.unlink(filePath);
try {
const deleteSuccess = await FileUtils.safeDeleteFile(filePath);
if (deleteSuccess) {
cleanedCount++;
logger.debug(`删除API缓存文件: ${filePath}`);
} else {
errorCount++;
logger.debug(`删除API缓存文件失败: ${filePath}`);
}
} catch (error) {
// 如果文件不存在，静默忽略
if (error.code === 'ENOENT') {
logger.debug(`API缓存文件不存在，跳过: ${filePath}`);
} else {
logger.debug(`删除API缓存文件出错: ${filePath}`, error.message);
errorCount++;
}
}
}
logger.info('所有API缓存已清理');
if (errorCount === 0) {
logger.info(`所有API缓存已清理，共删除 ${cleanedCount} 个文件`);
} else {
logger.info(`API缓存清理完成，成功删除 ${cleanedCount} 个文件，失败 ${errorCount} 个文件`);
}
} catch (error) {
logger.error('清理所有API缓存失败:', error);
throw error;
@@ -400,9 +478,18 @@ class ApiCacheService {
for (const file of files) {
const filePath = path.join(this.cacheDir, file);
const stats = await fs.stat(filePath);
totalSize += stats.size;
fileCount++;
try {
const stats = await fs.stat(filePath);
totalSize += stats.size;
fileCount++;
} catch (error) {
// 如果文件不存在，跳过
if (error.code === 'ENOENT') {
logger.debug(`API缓存文件不存在，跳过: ${filePath}`);
} else {
logger.debug(`检查API缓存文件失败: ${filePath}`, error.message);
}
}
}
return {