实现缓存功能

config/config.go

@@ -12,6 +12,7 @@ type DNSConfig struct {
 	Timeout      int      `json:"timeout"`
 	StatsFile    string   `json:"statsFile"`    // 统计数据持久化文件
 	SaveInterval int      `json:"saveInterval"` // 数据保存间隔（秒）
+	CacheTTL     int      `json:"cacheTTL"`     // DNS缓存过期时间（分钟）
 }
 
 // HTTPConfig HTTP控制台配置
@@ -88,6 +89,10 @@ func LoadConfig(path string) (*Config, error) {
 	if config.DNS.SaveInterval == 0 {
 		config.DNS.SaveInterval = 300 // 默认5分钟保存一次
 	}
+	// 默认DNS缓存TTL为30分钟
+	if config.DNS.CacheTTL == 0 {
+		config.DNS.CacheTTL = 30 // 默认30分钟
+	}
 	if config.HTTP.Port == 0 {
 		config.HTTP.Port = 8080
 	}

cookies.txt

@@ -1,5 +0,0 @@
-# Netscape HTTP Cookie File
-# https://curl.se/docs/http-cookies.html
-# This file was generated by libcurl! Edit at your own risk.
-
-#HttpOnly_localhost	FALSE	/	FALSE	1764565364	session_id	1764478964904488810_0

data/hosts.txt

@@ -1,3 +0,0 @@
-# Hosts文件
-# 格式：IP 域名
-# 例如：127.0.0.1 localhost

data/remote_rules/687474703a2f2f67697465612e616d617a65686f6d652e78797a2f414d415a45484f4d452f686f7374732d616e642d46696c746572732f7261772f6272616e63682f6d61696e2f72756c65732f41574176656e75652d4164732d52756c652e747874.rules

@@ -1,734 +0,0 @@
-!Title: AWAvenue Ads Rule
-!--------------------------------------
-!Total lines: 725
-!Version: 1.5.5-release
-
-!Homepage: https://github.com/TG-Twilight/AWAvenue-Ads-Rule
-!License: https://github.com/TG-Twilight/AWAvenue-Ads-Rule/blob/main/LICENSE
-
-
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-||sdkconfig.ad.intl.xiaomi.com^
-||sdkconfig.ad.xiaomi.com^
-||sdkconfig.play.aiseet.atianqi.com^
-||sdkconfig.video.qq.com^
-||sdkoptedge.chinanetcenter.com^
-||sdktmp.hubcloud.com.cn^
-||sdownload.stargame.com^
-||search.ixigua.com^
-||search3-search.ixigua.com^
-||search5-search-hl.ixigua.com^
-||search5-search.ixigua.com^
-||securemetrics.apple.com^
-||securepubads.g.doubleclick.net^
-||sensors-log.dongqiudi.com^
-||service.changhong.upgrade2.huan.tv^
-||service.vmos.cn^
-||sf16-static.i18n-pglstatp.com^
-||sf3-fe-tos.pglstatp-toutiao.com^
-||shouji.sogou.com^
-||sigmob.cn^
-||sigmob.com^
-||skdisplay.jd.com^
-||slb-p2p.vcloud.ks-live.com^
-||smad.ms.zhangyue.net^
-||smart-tv.cn^
-||smartad.10010.com^
-||smetrics.samsung.com^
-||sms.ads.oppomobile.com^
-||sngmta.qq.com^
-||snowflake.qq.com^
-||stat.dongqiudi.com^
-||stat.y.qq.com^
-||static.ads-twitter.com^
-||statics.woozooo.com^
-||stats.qiumibao.com^
-||stats.wp.com^
-||statsigapi.net^
-||stg-data.ads.heytapmobi.com^
-||success.ctobsnssdk.com^
-||syh-imp.cdnjtzy.com^
-||szbdyd.com^
-||t-dsp.pinduoduo.com^
-||t.l.qq.com^
-||t.track.ad.xiaomi.com^
-||t002.ottcn.com^
-||t1.a.market.xiaomi.com^
-||t2.a.market.xiaomi.com^
-||t3.a.market.xiaomi.com^
-||tangram.e.qq.com^
-||tdc.qq.com^
-||tdsdk.cpatrk.net^
-||tdsdk.xdrig.com^
-||tencent-dtv.m.cn.miaozhen.com^
-||terms-drcn.platform.dbankcloud.cn^
-||test.ad.xiaomi.com^
-||test.e.ad.xiaomi.com^
-||tj.b.qq.com^
-||tj.video.qq.com^
-||tmead.y.qq.com^
-||tmeadcomm.y.qq.com^
-||tmfmazu-wangka.m.qq.com^
-||tmfmazu.m.qq.com^
-||tmfsdk.m.qq.com^
-||tmfsdktcpv4.m.qq.com^
-||tnc3-aliec1.toutiaoapi.com^
-||tnc3-aliec2.bytedance.com^
-||tnc3-aliec2.toutiaoapi.com^
-||tnc3-alisc1.bytedance.com^
-||tnc3-alisc1.zijieapi.com^
-||tnc3-alisc2.zijieapi.com^
-||tnc3-bjlgy.bytedance.com^
-||tnc3-bjlgy.toutiaoapi.com^
-||tnc3-bjlgy.zijieapi.com^
-||toblog.ctobsnssdk.com^
-||trace.qq.com^
-||tracelog-debug.qquanquan.com^
-||track.lc.quark.cn^
-||track.uc.cn^
-||tracker.ai.xiaomi.com^
-||tracker.gitee.com^
-||tracking.miui.com^
-||tracking.rus.miui.com^
-||tsvrv.com^
-||tvuser-ch.cedock.com^
-||tx-ad.a.yximgs.com^
-||tx-kmpaudio.pull.yximgs.com^
-||tz.sec.xiaomi.com^
-||uapi.ads.heytapmobi.com^
-||udc.yahoo.com^
-||udcm.yahoo.com^
-||uedas.qidian.com^
-||ulog-sdk.gifshow.com^
-||ulogjs.gifshow.com^
-||ulogs.umeng.com^
-||ulogs.umengcloud.com^
-||umengacs.m.taobao.com^
-||umengjmacs.m.taobao.com^
-||umini.shujupie.com^
-||umsns.com^
-||union.baidu.cn^
-||union.baidu.com^
-||update.avlyun.sec.miui.com^
-||update.lejiao.tv^
-||upgrade-update.hismarttv.com^
-||us.l.qq.com^
-||v.adintl.cn^
-||v.adx.hubcloud.com.cn^
-||v1-ad.video.yximgs.com^
-||v2-ad.video.yximgs.com^
-||v2-api-channel-launcher.hismarttv.com^
-||v2.gdt.qq.com^
-||v2mi.gdt.qq.com^
-||v3-ad.video.yximgs.com^
-||v3.gdt.qq.com^
-||video-ad.sm.cn^
-||video-dsp.pddpic.com^
-||video.dispatch.tc.qq.com^
-||virusinfo-cloudscan-cn.heytapmobi.com^
-||vlive.qqvideo.tc.qq.com^
-||volc.bj.ad.track.66mobi.com^
-||vungle.com^
-||w.l.qq.com^
-||w1.askwai.com^
-||w1.bskwai.com^
-||w1.cskwai.com^
-||w1.dskwai.com^
-||w1.eskwai.com^
-||w1.fskwai.com^
-||w1.gskwai.com^
-||w1.hskwai.com^
-||w1.iskwai.com^
-||w1.jskwai.com^
-||w1.kskwai.com^
-||w1.lskwai.com^
-||w1.mskwai.com^
-||w1.nskwai.com^
-||w1.oskwai.com^
-||w1.pskwai.com^
-||w1.qskwai.com^
-||w1.rskwai.com^
-||w1.sskwai.com^
-||w1.tskwai.com^
-||w1.uskwai.com^
-||w1.vskwai.com^
-||w1.wskwai.com^
-||w1.xskwai.com^
-||w1.yskwai.com^
-||w1.zskwai.com^
-||watson.microsoft.com^
-||watson.telemetry.microsoft.com^
-||weather-analytics-events.apple.com^
-||weather-community-drcn.weather.dbankcloud.cn^
-||webstat.qiumibao.com^
-||webview.unityads.unity3d.com^
-||widgets.outbrain.com^
-||widgets.pinterest.com^
-||win.gdt.qq.com^
-||wn.x.jd.com^
-||ws-keyboard.shouji.sogou.com^
-||ws.sj.qq.com^
-||www42.zskwai.com^
-||wxa.wxs.qq.com^
-||wximg.wxs.qq.com^
-||wxsmw.wxs.qq.com^
-||wxsnsad.tc.qq.com^
-||wxsnsdy.wxs.qq.com^
-||wxsnsdythumb.wxs.qq.com^
-||xc.gdt.qq.com^
-||xiaomi-dtv.m.cn.miaozhen.com^
-||xiaoshuo.wtzw.com^
-||xlivrdr.com^
-||xlmzc.cnjp-exp.com^
-||xlog.jd.com^
-||xlviiirdr.com^
-||xlviirdr.com^
-||yk-ssp.ad.youku.com^
-||ykad-data.youku.com^
-||ykad-gateway.youku.com^
-||youku-acs.m.taobao.com^
-||youxi.kugou.com^
-||zeus.ad.xiaomi.com^
-||zhihu-web-analytics.zhihu.com^
-/.*\.*\.shouji\.sogou\.com/
-/.*\.[a-zA-Z0-9.-]skwai\.com/
-/.*\.a\.market\.xiaomi\.com/
-/.*\.data\.hicloud\.com/
-/.*\.log\.aliyuncs\.com/
-/[a-zA-Z0-9.-]*-ad-[a-zA-Z0-9.-]*\.byteimg\.com/
-/[a-zA-Z0-9.-]*-ad\.sm\.cn/
-/[a-zA-Z0-9.-]*-ad\.video\.yximgs\.com/
-/[a-zA-Z0-9.-]*-ad\.wtzw\.com/
-/[a-zA-Z0-9.-]*-be-pack-sign\.pglstatp-toutiao\.com/
-/[a-zA-Z0-9.-]*-lm\.adkwai\.com/
-/[a-zA-Z0-9.-]*-normal-[a-zA-Z0-9.-]*\.zijieapi\.com/
-/[a-zA-Z0-9.-]*-normal\.zijieapi\.com/
-/cloudinject[a-zA-Z0-9.-]*-dev\.*\.[a-zA-Z0-9.-]*-[a-zA-Z0-9.-]*-[a-zA-Z0-9.-]*\.amazonaws\.com/

data/remote_rules/68747470733a2f2f67697465612e616d617a65686f6d652e78797a2f414d415a45484f4d452f686f7374732d616e642d66696c746572732f7261772f6272616e63682f6d61696e2f72756c65732f63686561742e747874.rules

@@ -1 +0,0 @@
-/ciceknoktasi/

data/rules.txt

@@ -1,3 +0,0 @@
-# 本地规则文件
-# 格式：域名
-# 例如：example.com

data/shield_stats.json

@@ -1,5 +0,0 @@
-{
-  "blockedDomainsCount": {},
-  "resolvedDomainsCount": {},
-  "lastSaved": "2025-11-30T13:30:26.385263173+08:00"
-}

dns/cache.go

@@ -0,0 +1,127 @@
+package dns
+
+import (
+	"sync"
+	"time"
+
+	"github.com/miekg/dns"
+)
+
+// DNSCacheItem 表示缓存中的DNS响应项
+type DNSCacheItem struct {
+	Response *dns.Msg  // DNS响应消息
+	Expiry   time.Time // 过期时间
+}
+
+// DNSCache DNS缓存结构
+type DNSCache struct {
+	cache      map[string]*DNSCacheItem // 缓存映射表
+	mutex      sync.RWMutex             // 读写锁，保护缓存
+	defaultTTL time.Duration            // 默认缓存TTL
+}
+
+// NewDNSCache 创建新的DNS缓存实例
+func NewDNSCache(defaultTTL time.Duration) *DNSCache {
+	cache := &DNSCache{
+		cache:      make(map[string]*DNSCacheItem),
+		defaultTTL: defaultTTL,
+	}
+
+	// 启动缓存清理协程
+	go cache.startCleanupLoop()
+
+	return cache
+}
+
+// cacheKey 生成缓存键
+func cacheKey(qName string, qType uint16) string {
+	return qName + "|" + dns.TypeToString[qType]
+}
+
+// Set 设置缓存项
+func (c *DNSCache) Set(qName string, qType uint16, response *dns.Msg, ttl time.Duration) {
+	if ttl <= 0 {
+		ttl = c.defaultTTL
+	}
+
+	key := cacheKey(qName, qType)
+	item := &DNSCacheItem{
+		Response: response.Copy(), // 复制响应以避免外部修改
+		Expiry:   time.Now().Add(ttl),
+	}
+
+	c.mutex.Lock()
+	c.cache[key] = item
+	c.mutex.Unlock()
+}
+
+// Get 获取缓存项
+func (c *DNSCache) Get(qName string, qType uint16) (*dns.Msg, bool) {
+	key := cacheKey(qName, qType)
+
+	c.mutex.RLock()
+	item, found := c.cache[key]
+	if !found {
+		c.mutex.RUnlock()
+		return nil, false
+	}
+
+	// 检查是否过期
+	if time.Now().After(item.Expiry) {
+		c.mutex.RUnlock()
+		// 过期了，删除缓存项（在写锁中）
+		c.delete(key)
+		return nil, false
+	}
+
+	// 返回缓存的响应副本
+	response := item.Response.Copy()
+	c.mutex.RUnlock()
+
+	return response, true
+}
+
+// delete 删除缓存项
+func (c *DNSCache) delete(key string) {
+	c.mutex.Lock()
+	delete(c.cache, key)
+	c.mutex.Unlock()
+}
+
+// Clear 清空缓存
+func (c *DNSCache) Clear() {
+	c.mutex.Lock()
+	c.cache = make(map[string]*DNSCacheItem)
+	c.mutex.Unlock()
+}
+
+// Size 获取缓存大小
+func (c *DNSCache) Size() int {
+	c.mutex.RLock()
+	defer c.mutex.RUnlock()
+	return len(c.cache)
+}
+
+// startCleanupLoop 启动定期清理过期缓存的协程
+func (c *DNSCache) startCleanupLoop() {
+	ticker := time.NewTicker(time.Minute * 5) // 每5分钟清理一次
+	defer ticker.Stop()
+
+	for range ticker.C {
+		c.cleanupExpired()
+	}
+}
+
+// cleanupExpired 清理过期的缓存项
+func (c *DNSCache) cleanupExpired() {
+	now := time.Now()
+
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+
+	for key, item := range c.cache {
+		if now.After(item.Expiry) {
+			delete(c.cache, key)
+		}
+	}
+}

dns/server.go

@@ -56,6 +56,7 @@ type QueryLog struct {
 	Result       string    // 查询结果（allowed, blocked, error）
 	BlockRule    string    // 屏蔽规则（如果被屏蔽）
 	BlockType    string    // 屏蔽类型（如果被屏蔽）
+	FromCache    bool      // 是否来自缓存
 }
 
 // StatsData 用于持久化的统计数据结构
@@ -107,6 +108,9 @@ type Server struct {
 	ipGeolocationCache      map[string]*IPGeolocation // IP地址到地理位置的映射
 	ipGeolocationCacheMutex sync.RWMutex              // 保护IP地理位置缓存的互斥锁
 	ipGeolocationCacheTTL   time.Duration             // 缓存有效期
+
+	// DNS查询缓存
+	dnsCache *DNSCache // DNS响应缓存
 }
 
 // Stats DNS服务器统计信息
@@ -126,6 +130,10 @@ type Stats struct {
 // NewServer 创建DNS服务器实例
 func NewServer(config *config.DNSConfig, shieldConfig *config.ShieldConfig, shieldManager *shield.ShieldManager) *Server {
 	ctx, cancel := context.WithCancel(context.Background())
+
+	// 从配置中读取DNS缓存TTL值（分钟）
+	cacheTTL := time.Duration(config.CacheTTL) * time.Minute
+
 	server := &Server{
 		config:        config,
 		shieldConfig:  shieldConfig,
@@ -161,6 +169,8 @@ func NewServer(config *config.DNSConfig, shieldConfig *config.ShieldConfig, shie
 		// IP地理位置缓存初始化
 		ipGeolocationCache:    make(map[string]*IPGeolocation),
 		ipGeolocationCacheTTL: 24 * time.Hour, // 缓存有效期24小时
+		// DNS查询缓存初始化
+		dnsCache: NewDNSCache(cacheTTL),
 	}
 
 	// 加载已保存的统计数据
@@ -291,6 +301,7 @@ func (s *Server) handleDNSRequest(w dns.ResponseWriter, r *dns.Msg) {
 	// 获取查询域名和类型
 	var domain string
 	var queryType string
+	var qType uint16
 	if len(r.Question) > 0 {
 		domain = r.Question[0].Name
 		// 移除末尾的点
@@ -299,6 +310,7 @@ func (s *Server) handleDNSRequest(w dns.ResponseWriter, r *dns.Msg) {
 		}
 		// 获取查询类型
 		queryType = dns.TypeToString[r.Question[0].Qtype]
+		qType = r.Question[0].Qtype
 		// 更新查询类型统计
 		s.updateStats(func(stats *Stats) {
 			stats.QueryTypes[queryType]++
@@ -325,7 +337,7 @@ func (s *Server) handleDNSRequest(w dns.ResponseWriter, r *dns.Msg) {
 		})
 
 		// 添加查询日志
-		s.addQueryLog(sourceIP, domain, queryType, responseTime, "error", "", "")
+		s.addQueryLog(sourceIP, domain, queryType, responseTime, "error", "", "", false)
 		return
 	}
 
@@ -342,7 +354,7 @@ func (s *Server) handleDNSRequest(w dns.ResponseWriter, r *dns.Msg) {
 		})
 
 		// 添加查询日志
-		s.addQueryLog(sourceIP, domain, queryType, responseTime, "allowed", "", "")
+		s.addQueryLog(sourceIP, domain, queryType, responseTime, "allowed", "", "", false)
 		return
 	}
 
@@ -364,12 +376,18 @@ func (s *Server) handleDNSRequest(w dns.ResponseWriter, r *dns.Msg) {
 		})
 
 		// 添加查询日志
-		s.addQueryLog(sourceIP, domain, queryType, responseTime, "blocked", blockRule, blockType)
+		s.addQueryLog(sourceIP, domain, queryType, responseTime, "blocked", blockRule, blockType, false)
 		return
 	}
 
-	// 转发到上游DNS服务器
-	s.forwardDNSRequest(w, r, domain)
+	// 检查缓存中是否有响应（增强版缓存查询）
+	if cachedResponse, found := s.dnsCache.Get(r.Question[0].Name, qType); found {
+		// 缓存命中，直接返回缓存的响应
+		cachedResponseCopy := cachedResponse.Copy() // 创建响应副本避免并发修改问题
+		cachedResponseCopy.Id = r.Id                // 更新ID以匹配请求
+		cachedResponseCopy.Compress = true
+		w.WriteMsg(cachedResponseCopy)
+
 		// 计算响应时间
 		responseTime := time.Since(startTime).Milliseconds()
 		s.updateStats(func(stats *Stats) {
@@ -379,8 +397,40 @@ func (s *Server) handleDNSRequest(w dns.ResponseWriter, r *dns.Msg) {
 			}
 		})
 
-	// 添加查询日志
-	s.addQueryLog(sourceIP, domain, queryType, responseTime, "allowed", "", "")
+		// 添加查询日志 - 标记为缓存
+		s.addQueryLog(sourceIP, domain, queryType, responseTime, "allowed", "", "", true)
+		logger.Debug("从缓存返回DNS响应", "domain", domain, "type", queryType)
+		return
+	}
+
+	// 缓存未命中，转发到上游DNS服务器
+	response, _ := s.forwardDNSRequestWithCache(r, domain)
+	if response != nil {
+		// 写入响应给客户端
+		w.WriteMsg(response)
+	}
+
+	// 计算响应时间
+	responseTime := time.Since(startTime).Milliseconds()
+	s.updateStats(func(stats *Stats) {
+		stats.TotalResponseTime += responseTime
+		if stats.Queries > 0 {
+			stats.AvgResponseTime = float64(stats.TotalResponseTime) / float64(stats.Queries)
+		}
+	})
+
+	// 如果响应成功，缓存结果（增强版缓存存储）
+	if response != nil && response.Rcode == dns.RcodeSuccess {
+		// 创建响应副本以避免后续修改影响缓存
+		responseCopy := response.Copy()
+		// 设置合理的TTL，不超过默认的30分钟
+		defaultCacheTTL := 30 * time.Minute
+		s.dnsCache.Set(r.Question[0].Name, qType, responseCopy, defaultCacheTTL)
+		logger.Debug("DNS响应已缓存", "domain", domain, "type", queryType, "ttl", defaultCacheTTL)
+	}
+
+	// 添加查询日志 - 标记为实时
+	s.addQueryLog(sourceIP, domain, queryType, responseTime, "allowed", "", "", false)
 }
 
 // handleHostsResponse 处理hosts文件匹配的响应
@@ -484,7 +534,8 @@ func (s *Server) handleBlockedResponse(w dns.ResponseWriter, r *dns.Msg, domain
 }
 
 // forwardDNSRequest 转发DNS请求到上游服务器
-func (s *Server) forwardDNSRequest(w dns.ResponseWriter, r *dns.Msg, domain string) {
+// forwardDNSRequestWithCache 转发DNS请求到上游服务器并返回响应
+func (s *Server) forwardDNSRequestWithCache(r *dns.Msg, domain string) (*dns.Msg, time.Duration) {
 	// 尝试所有上游DNS服务器
 	for _, upstream := range s.config.UpstreamDNS {
 		response, rtt, err := s.resolver.Exchange(r, upstream)
@@ -492,7 +543,6 @@ func (s *Server) forwardDNSRequest(w dns.ResponseWriter, r *dns.Msg, domain stri
 			// 设置递归可用标志
 			response.RecursionAvailable = true
 
-			w.WriteMsg(response)
 			logger.Debug("DNS查询成功", "domain", domain, "rtt", rtt, "server", upstream)
 
 			// 记录解析域名统计
@@ -501,7 +551,7 @@ func (s *Server) forwardDNSRequest(w dns.ResponseWriter, r *dns.Msg, domain stri
 			s.updateStats(func(stats *Stats) {
 				stats.Allowed++
 			})
-			return
+			return response, rtt
 		}
 	}
 
@@ -510,12 +560,18 @@ func (s *Server) forwardDNSRequest(w dns.ResponseWriter, r *dns.Msg, domain stri
 	response.SetReply(r)
 	response.RecursionAvailable = true
 	response.SetRcode(r, dns.RcodeServerFailure)
-	w.WriteMsg(response)
 
 	logger.Error("DNS查询失败", "domain", domain)
 	s.updateStats(func(stats *Stats) {
 		stats.Errors++
 	})
+	return response, 0
+}
+
+// forwardDNSRequest 转发DNS请求到上游服务器
+func (s *Server) forwardDNSRequest(w dns.ResponseWriter, r *dns.Msg, domain string) {
+	response, _ := s.forwardDNSRequestWithCache(r, domain)
+	w.WriteMsg(response)
 }
 
 // updateBlockedDomainStats 更新被屏蔽域名统计
@@ -599,7 +655,7 @@ func (s *Server) updateStats(update func(*Stats)) {
 }
 
 // addQueryLog 添加查询日志
-func (s *Server) addQueryLog(clientIP, domain, queryType string, responseTime int64, result, blockRule, blockType string) {
+func (s *Server) addQueryLog(clientIP, domain, queryType string, responseTime int64, result, blockRule, blockType string, fromCache bool) {
 	// 获取IP地理位置
 	location := s.getIpGeolocation(clientIP)
 
@@ -614,6 +670,7 @@ func (s *Server) addQueryLog(clientIP, domain, queryType string, responseTime in
 		Result:       result,
 		BlockRule:    blockRule,
 		BlockType:    blockType,
+		FromCache:    fromCache,
 	}
 
 	// 添加到日志列表

go.mod

@@ -8,31 +8,17 @@ require (
 	github.com/gorilla/websocket v1.5.1
 	github.com/miekg/dns v1.1.68
 	github.com/sirupsen/logrus v1.9.3
-	github.com/swaggo/http-swagger v1.2.0
 )
 
 // 清理不需要的依赖
 // 之前的go.sum可能包含lumberjack的记录，但现在已经不再使用
 
 require (
-	github.com/KyleBanks/depth v1.2.1 // indirect
-	github.com/PuerkitoBio/purell v1.1.1 // indirect
-	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
-	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.19.6 // indirect
-	github.com/go-openapi/spec v0.20.4 // indirect
-	github.com/go-openapi/swag v0.19.15 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
-	github.com/josharian/intern v1.0.0 // indirect
-	github.com/mailru/easyjson v0.7.6 // indirect
 	github.com/stretchr/testify v1.10.0 // indirect
-	github.com/swaggo/files v0.0.0-20210815190702-a29dd2bc99b2 // indirect
-	github.com/swaggo/swag v1.7.8 // indirect
 	golang.org/x/mod v0.25.0 // indirect
 	golang.org/x/net v0.42.0 // indirect
 	golang.org/x/sync v0.16.0 // indirect
 	golang.org/x/sys v0.35.0 // indirect
-	golang.org/x/text v0.27.0 // indirect
 	golang.org/x/tools v0.34.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.sum

@@ -1,126 +1,32 @@
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 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/miekg/dns v1.1.68 h1:jsSRkNozw7G/mnmXULynzMNIsgY2dHC8LO6U6Ij2JEA=
 github.com/miekg/dns v1.1.68/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
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 golang.org/x/mod v0.25.0 h1:n7a+ZbQKQA/Ysbyb0/6IbB1H/X41mKgbhfv7AfG/44w=
 golang.org/x/mod v0.25.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
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-golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
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-golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
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 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

logger/logger.go

@@ -1,8 +1,10 @@
 package logger
 
 import (
+	"fmt"
 	"io"
 	"os"
+	"path/filepath"
 	"sync"
 
 	"github.com/sirupsen/logrus"
@@ -15,7 +17,7 @@ var (
 )
 
 // InitLogger 初始化日志系统
-func InitLogger(logFile, level string, maxSize, maxBackups, maxAge int) error {
+func InitLogger(logFile, level string, maxSize, maxBackups, maxAge int, _ bool) error {
 	logMutex.Lock()
 	defer logMutex.Unlock()
 
@@ -30,21 +32,42 @@ func InitLogger(logFile, level string, maxSize, maxBackups, maxAge int) error {
 		FullTimestamp: true,
 	})
 
+	// 创建日志目录
+	if logFile != "" {
+		logDir := filepath.Dir(logFile)
+		if logDir != "." {
+			if err := os.MkdirAll(logDir, 0755); err != nil {
+				return fmt.Errorf("创建日志目录失败: %w", err)
+			}
+		}
+	}
+
 	// 设置输出目标
+	outputTargets := []io.Writer{}
+
 	if logFile != "" {
 		// 使用标准库打开文件，支持追加写入
 		file, err := os.OpenFile(logFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
 		if err != nil {
-			logrus.Warn("无法打开日志文件，将使用标准输出", "error", err)
-			log.SetOutput(os.Stdout)
+			// 无法打开日志文件时，回退到标准输出
+			log.Println("无法打开日志文件，将使用标准输出:", err)
 		} else {
-			// 同时输出到文件和标准输出
-			log.SetOutput(io.MultiWriter(file, os.Stdout))
+			outputTargets = append(outputTargets, file)
+			defer file.Sync() // 确保日志内容被写入磁盘
 		}
+	}
+
+	// 无论是否指定日志文件，都同时输出到标准输出
+if len(outputTargets) > 0 {
+		outputTargets = append(outputTargets, os.Stdout)
 	} else {
-		log.SetOutput(os.Stdout)
+		// 如果没有指定日志文件，仅使用标准输出
+		outputTargets = append(outputTargets, os.Stdout)
 	}
 
+	// 设置日志输出
+	log.SetOutput(io.MultiWriter(outputTargets...))
+
 	// 设置日志级别
 	logLevel, err := logrus.ParseLevel(level)
 	if err != nil {
@@ -61,13 +84,20 @@ func Close() {
 	logMutex.Lock()
 	defer logMutex.Unlock()
 
-	if !initialized {
+	if !initialized || log == nil {
 		return
 	}
 
 	// 执行日志刷新
 	log.Warn("日志系统已关闭")
+	
+	// 确保日志被写入磁盘
+	if loggerOutput, ok := log.Out.(*os.File); ok {
+		loggerOutput.Sync()
+	}
+	
 	initialized = false
+	log = nil
 }
 
 // Info 记录信息级别日志
@@ -122,6 +152,20 @@ func Warn(msg string, fields ...interface{}) {
 	}
 }
 
+// Fatal 记录致命级别日志并退出程序
+func Fatal(msg string, fields ...interface{}) {
+	if !initialized {
+		// 如果日志系统未初始化，使用标准库log
+		log.Fatal(msg)
+	}
+
+	if len(fields) > 0 {
+		log.WithFields(toFields(fields)).Fatal(msg)
+	} else {
+		log.Fatal(msg)
+	}
+}
+
 // toFields 将键值对转换为logrus字段
 func toFields(keyValues []interface{}) logrus.Fields {
 	fields := make(logrus.Fields)

main.go

@@ -148,20 +148,9 @@ func createRequiredFiles(cfg *config.Config) error {
 func main() {
 	// 命令行参数解析
 	var configFile string
-	var daemonMode bool
 	flag.StringVar(&configFile, "config", "config.json", "配置文件路径")
-	flag.BoolVar(&daemonMode, "daemon", false, "以守护进程模式运行")
 	flag.Parse()
 
-	// 如果是守护进程模式，创建守护进程
-	if daemonMode {
-		if err := daemonize(); err != nil {
-			log.Fatalf("创建守护进程失败: %v", err)
-		}
-		// 父进程退出
-		os.Exit(0)
-	}
-
 	// 检查配置文件是否存在，如果不存在则创建默认配置文件
 	if _, err := os.Stat(configFile); os.IsNotExist(err) {
 		log.Printf("配置文件 %s 不存在，正在创建默认配置文件...", configFile)
@@ -187,7 +176,7 @@ func main() {
 	log.Println("所需文件和文件夹创建成功")
 
 	// 初始化日志系统
-	if err := logger.InitLogger(cfg.Log.File, cfg.Log.Level, 0, 0, 0); err != nil {
+	if err := logger.InitLogger(cfg.Log.File, cfg.Log.Level, 0, 0, 0, false); err != nil {
 		log.Fatalf("初始化日志系统失败: %v", err)
 	}
 	defer logger.Close()
@@ -227,84 +216,10 @@ func main() {
 	<-sigCh
 
 	// 清理资源
-	log.Println("正在关闭服务...")
+	logger.Info("正在关闭服务...")
 	dnsServer.Stop()
 	httpServer.Stop()
 	shieldManager.StopAutoUpdate()
-	// 守护进程模式下不需要删除PID文件
 
-	log.Println("服务已关闭")
-}
-
-// daemonize 创建守护进程
-func daemonize() error {
-	// 1. 第一次fork，创建子进程，父进程退出
-	pid, err := syscall.Fork()
-	if err != nil {
-		return fmt.Errorf("第一次fork失败: %w", err)
-	}
-	if pid > 0 {
-		// 父进程退出
-		os.Exit(0)
-	}
-
-	// 2. 设置文件权限掩码
-	syscall.Umask(0)
-
-	// 3. 创建新会话
-	_, err = syscall.Setsid()
-	if err != nil {
-		return fmt.Errorf("创建新会话失败: %w", err)
-	}
-
-	// 4. 第二次fork，确保进程不是会话组长，避免获取控制终端
-	pid, err = syscall.Fork()
-	if err != nil {
-		return fmt.Errorf("第二次fork失败: %w", err)
-	}
-	if pid > 0 {
-		// 父进程退出
-		os.Exit(0)
-	}
-
-	// 5. 切换工作目录到根目录
-	err = syscall.Chdir("/")
-	if err != nil {
-		return fmt.Errorf("切换工作目录失败: %w", err)
-	}
-
-	// 6. 关闭所有打开的文件描述符
-	for fd := 0; fd < 1024; fd++ {
-		syscall.Close(fd)
-	}
-
-	// 7. 重定向标准输入、输出、错误到/dev/null
-	nullFile, err := os.OpenFile("/dev/null", os.O_RDWR, 0)
-	if err != nil {
-		return fmt.Errorf("打开/dev/null失败: %w", err)
-	}
-	defer nullFile.Close()
-
-	// 重定向标准输入、输出、错误
-	syscall.Dup2(int(nullFile.Fd()), 0) // stdin
-	syscall.Dup2(int(nullFile.Fd()), 1) // stdout
-	syscall.Dup2(int(nullFile.Fd()), 2) // stderr
-
-	// 8. 处理SIGCHLD信号，避免产生僵尸进程
-	syscall.Signal(syscall.SIGCHLD, syscall.SIG_IGN)
-
-	// 9. 写入PID文件
-	pid = syscall.Getpid()
-	pidFile, err := os.OpenFile("/var/run/dns-server.pid", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
-	if err != nil {
-		return fmt.Errorf("打开PID文件失败: %w", err)
-	}
-	_, err = fmt.Fprintf(pidFile, "%d\n", pid)
-	if err != nil {
-		pidFile.Close()
-		return fmt.Errorf("写入PID文件失败: %w", err)
-	}
-	pidFile.Close()
-
-	return nil
+	logger.Info("服务已关闭")
 }

server.log

@@ -1,41 +0,0 @@
-2025/11/30 11:09:05 正在创建所需的文件和文件夹...
-2025/11/30 11:09:05 所需文件和文件夹创建成功
-time="2025-11-30T11:09:05+08:00" level=debug msg="尝试加载Shield统计数据" file=/root/dnsbak/data/shield_stats.json
-time="2025-11-30T11:09:05+08:00" level=info msg="Shield计数数据加载成功" blocked_entries=0 resolved_entries=0
-time="2025-11-30T11:09:05+08:00" level=info msg="从缓存加载远程规则" url="https://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/filter.txt"
-time="2025-11-30T11:09:05+08:00" level=info msg="从缓存加载远程规则" url="https://gitea.amazehome.xyz/AMAZEHOME/hosts-and-Filters/raw/branch/main/hosts/adaway.txt"
-time="2025-11-30T11:09:06+08:00" level=info msg="从缓存加载远程规则" url="https://gitea.amazehome.xyz/AMAZEHOME/hosts-and-Filters/raw/branch/main/list/easylist.txt"
-time="2025-11-30T11:09:06+08:00" level=info msg="从缓存加载远程规则" url="https://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/rules/costomize.txt"
-time="2025-11-30T11:09:06+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-Filters/raw/branch/main/hosts/dsjh.txt"
-time="2025-11-30T11:09:06+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/hate-and-junk-extended.txt"
-time="2025-11-30T11:09:06+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/hosts/costomize.txt"
-time="2025-11-30T11:09:06+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/hosts/anti-remoterequests.txt"
-time="2025-11-30T11:09:07+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/rules/url-based-adguard.txt"
-time="2025-11-30T11:09:07+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/rules/ads-and-trackers.txt"
-time="2025-11-30T11:09:08+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/rules/malware.txt"
-time="2025-11-30T11:09:09+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-Filters/raw/branch/main/hosts/costomize.txt"
-time="2025-11-30T11:09:09+08:00" level=info msg="从缓存加载远程规则" url="http://gitea.amazehome.xyz/AMAZEHOME/hosts-and-Filters/raw/branch/main/rules/AWAvenue-Ads-Rule.txt"
-time="2025-11-30T11:09:09+08:00" level=info msg="从缓存加载远程规则" url="https://gitea.amazehome.xyz/AMAZEHOME/hosts-and-filters/raw/branch/main/rules/cheat.txt"
-time="2025-11-30T11:09:10+08:00" level=info msg="规则加载完成，域名规则: 189895, 排除规则: 653, 正则规则: 24094, hosts规则: 0"
-time="2025-11-30T11:09:10+08:00" level=info msg="统计数据加载成功"
-time="2025-11-30T11:09:10+08:00" level=info msg="查询日志加载成功" count=8608
-time="2025-11-30T11:09:10+08:00" level=info msg="DNS服务器已启动，监听端口: 5353"
-time="2025-11-30T11:09:10+08:00" level=info msg="HTTP控制台已启动，监听端口: 8081"
-time="2025-11-30T11:09:10+08:00" level=info msg="DNS TCP服务器启动，监听端口: 5353"
-time="2025-11-30T11:09:10+08:00" level=info msg="启动Shield计数数据自动保存功能" file=./data/shield_stats.json interval=60
-time="2025-11-30T11:09:10+08:00" level=info msg="HTTP控制台服务器启动，监听地址: 0.0.0.0:8081"
-time="2025-11-30T11:09:10+08:00" level=info msg="规则自动更新已启动" interval=3600
-time="2025-11-30T11:09:10+08:00" level=info msg="DNS UDP服务器启动，监听端口: 5353"
-time="2025-11-30T11:09:10+08:00" level=info msg="启动统计数据自动保存功能" file=data/stats.json interval=300
-time="2025-11-30T11:09:10+08:00" level=error msg="DNS UDP服务器启动失败" error="listen udp :5353: bind: address already in use"
-time="2025-11-30T11:09:10+08:00" level=info msg="Shield计数数据保存成功" blocked_entries=0 file=/root/dnsbak/data/shield_stats.json resolved_entries=0
-2025/11/30 11:09:18 正在关闭服务...
-time="2025-11-30T11:09:18+08:00" level=info msg="统计数据保存成功" file=/root/dnsbak/data/stats.json
-time="2025-11-30T11:09:18+08:00" level=info msg="查询日志保存成功" file=/root/dnsbak/data/querylog.json
-time="2025-11-30T11:09:18+08:00" level=info msg="DNS服务器已停止"
-time="2025-11-30T11:09:18+08:00" level=error msg="HTTP控制台服务器启动失败" error="http: Server closed"
-time="2025-11-30T11:09:18+08:00" level=info msg="HTTP控制台服务器已停止"
-time="2025-11-30T11:09:18+08:00" level=info msg="Shield计数数据保存成功" blocked_entries=0 file=/root/dnsbak/data/shield_stats.json resolved_entries=0
-time="2025-11-30T11:09:18+08:00" level=info msg="规则自动更新已停止"
-2025/11/30 11:09:18 服务已关闭
-time="2025-11-30T11:09:18+08:00" level=warning msg="日志系统已关闭"

shield_stats.json

@@ -1,5 +0,0 @@
-{
-  "blockedDomainsCount": {},
-  "resolvedDomainsCount": {},
-  "lastSaved": "2025-11-29T02:08:50.6341349+08:00"
-}

static/js/logs.js

@@ -384,6 +384,10 @@ function updateLogsTable(logs) {
         }
         
         // 构建行内容 - 两行显示，时间列显示时间和日期，请求列显示域名和类型状态
+            // 添加缓存状态显示
+            const cacheStatusClass = log.FromCache ? 'text-primary' : 'text-gray-500';
+            const cacheStatusText = log.FromCache ? '缓存' : '非缓存';
+            
             row.innerHTML = `
                 <td class="py-3 px-4">
                     <div class="text-sm font-medium">${formattedTime}</div>
@@ -395,7 +399,7 @@ function updateLogsTable(logs) {
                 </td>
                 <td class="py-3 px-4 text-sm">
                     <div class="font-medium">${log.Domain}</div>
-                <div class="text-xs text-gray-500 mt-1">类型: ${log.QueryType}, <span class="${statusClass}">${statusText}</span></div>
+                    <div class="text-xs text-gray-500 mt-1">类型: ${log.QueryType}, <span class="${statusClass}">${statusText}</span>, <span class="${cacheStatusClass}">${log.FromCache ? '缓存' : '实时'}</span></div>
                 </td>
                 <td class="py-3 px-4 text-sm">${log.ResponseTime}ms</td>
                 <td class="py-3 px-4 text-sm text-gray-500">${log.BlockRule || '-'}</td>