mirror of
https://github.com/Rain-kl/OpenFlare.git
synced 2026-09-29 14:06:36 +08:00
ryan
299ac30ee4
- Purify core micro-kernel by removing context hardcoded helpers and reverse dependencies - Eliminate init() side effects in infra plugins with reversible lifecycle disposal - Completely isolate plugins by removing cross-plugin imports and using core/contracts - Introduce TaskService and RiskControlService contracts for unified cross-plugin APIs - Regenerate Swagger documentation and update developer guide matrix - Achieve 0 violations in check_cordis_architecture.sh and 100% test pass
98 lines
2.8 KiB
Go
98 lines
2.8 KiB
Go
// Copyright 2026 Arctel.net
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
// Package diskcache wraps the generic pkg/cache/disk to provide database configuration integration.
|
|
package diskcache
|
|
|
|
import (
|
|
"context"
|
|
"strconv"
|
|
"sync"
|
|
"time"
|
|
|
|
pkgcache "Wavelet/pkg/cache/disk"
|
|
)
|
|
|
|
// Status represents the runtime cache statistics.
|
|
type Status = pkgcache.Status
|
|
|
|
const (
|
|
defaultCacheDir = "uploads/diskcache"
|
|
defaultMaxSizeMB = 100
|
|
defaultTTLMinutes = 60
|
|
defaultCleanupInterval = 10
|
|
|
|
// DefaultExpiration applies the cache-wide default TTL.
|
|
DefaultExpiration = pkgcache.DefaultExpiration
|
|
// NoExpiration stores the item without a TTL. Size limits and LRU eviction still apply.
|
|
NoExpiration = pkgcache.NoExpiration
|
|
)
|
|
|
|
// ErrCacheMiss represents a cache miss.
|
|
var ErrCacheMiss = pkgcache.ErrCacheMiss
|
|
|
|
// DiskCache is a wrapper around the generic pkg/diskcache that integrates with the DB for configs.
|
|
type DiskCache struct {
|
|
*pkgcache.Cache
|
|
}
|
|
|
|
var (
|
|
globalCache *DiskCache
|
|
globalCacheOnce sync.Once
|
|
)
|
|
|
|
// GetGlobalCache returns the global singleton DiskCache instance.
|
|
func GetGlobalCache() *DiskCache {
|
|
globalCacheOnce.Do(func() {
|
|
pureCache := pkgcache.New(defaultCacheDir)
|
|
globalCache = &DiskCache{pureCache}
|
|
// Load initial configs from database
|
|
globalCache.ReloadConfig(context.Background())
|
|
// Start background routine to clean expired items every 10 minutes
|
|
go globalCache.StartCleanupWorker(defaultCleanupInterval * time.Minute)
|
|
})
|
|
return globalCache
|
|
}
|
|
|
|
// New creates a new DiskCache wrapper.
|
|
func New(basePath string) *DiskCache {
|
|
return &DiskCache{pkgcache.New(basePath)}
|
|
}
|
|
|
|
// ReloadConfig reloads policies from database configs dynamically.
|
|
func (c *DiskCache) ReloadConfig(ctx context.Context) {
|
|
// Ensure DB is initialized before querying
|
|
if getDB(ctx) == nil {
|
|
return
|
|
}
|
|
|
|
// 1. Max Size
|
|
maxSizeMB := int64(defaultMaxSizeMB)
|
|
var maxVal string
|
|
if err := getDB(ctx).Table("w_system_configs").Where("key = ?", "disk_cache_max_size_mb").Pluck("value", &maxVal).Error; err == nil && maxVal != "" {
|
|
if val, err := strconv.ParseInt(maxVal, 10, 64); err == nil && val > 0 {
|
|
maxSizeMB = val
|
|
}
|
|
}
|
|
|
|
// 2. Default TTL
|
|
ttlMinutes := int64(defaultTTLMinutes)
|
|
var ttlVal string
|
|
if err := getDB(ctx).Table("w_system_configs").Where("key = ?", "disk_cache_ttl_minutes").Pluck("value", &ttlVal).Error; err == nil && ttlVal != "" {
|
|
if val, err := strconv.ParseInt(ttlVal, 10, 64); err == nil && val >= 0 {
|
|
ttlMinutes = val
|
|
}
|
|
}
|
|
|
|
// 3. LRU Enabled
|
|
lruEnabled := true
|
|
var lruVal string
|
|
if err := getDB(ctx).Table("w_system_configs").Where("key = ?", "disk_cache_lru_enabled").Pluck("value", &lruVal).Error; err == nil && lruVal != "" {
|
|
if val, err := strconv.ParseBool(lruVal); err == nil {
|
|
lruEnabled = val
|
|
}
|
|
}
|
|
|
|
c.UpdatePolicy(maxSizeMB, ttlMinutes, lruEnabled)
|
|
}
|