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12 changed files with 1310 additions and 365 deletions

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@ -228,13 +228,16 @@ type CacheItem struct {
// CacheStats 缓存统计信息
type CacheStats struct {
TotalItems int `json:"total_items"` // 缓存项数量
TotalSize int64 `json:"total_size"` // 总大小
HitCount int64 `json:"hit_count"` // 命中次数
MissCount int64 `json:"miss_count"` // 未命中次数
HitRate float64 `json:"hit_rate"` // 命中率
BytesSaved int64 `json:"bytes_saved"` // 节省的带宽
Enabled bool `json:"enabled"` // 缓存开关状态
TotalItems int `json:"total_items"` // 缓存项数量
TotalSize int64 `json:"total_size"` // 总大小
HitCount int64 `json:"hit_count"` // 命中次数
MissCount int64 `json:"miss_count"` // 未命中次数
HitRate float64 `json:"hit_rate"` // 命中率
BytesSaved int64 `json:"bytes_saved"` // 节省的带宽
Enabled bool `json:"enabled"` // 缓存开关状态
FormatFallbackHit int64 `json:"format_fallback_hit"` // 格式回退命中次数
ImageCacheHit int64 `json:"image_cache_hit"` // 图片缓存命中次数
RegularCacheHit int64 `json:"regular_cache_hit"` // 常规缓存命中次数
}
// CacheManager 缓存管理器
@ -252,11 +255,13 @@ type CacheManager struct {
cleanupTimer *time.Ticker // 添加清理定时器
stopCleanup chan struct{} // 添加停止信号通道
// 新增:格式回退统计
formatFallbackHit atomic.Int64 // 格式回退命中次数
imageCacheHit atomic.Int64 // 图片缓存命中次数
regularCacheHit atomic.Int64 // 常规缓存命中次数
// ExtensionMatcher缓存
extensionMatcherCache *ExtensionMatcherCache
// 缓存预热
prewarming atomic.Bool
}
// NewCacheManager 创建新的缓存管理器
@ -292,9 +297,6 @@ func NewCacheManager(cacheDir string) (*CacheManager, error) {
// 启动清理协程
cm.startCleanup()
// 启动缓存预热
go cm.prewarmCache()
return cm, nil
}
@ -311,10 +313,79 @@ func (cm *CacheManager) GenerateCacheKey(r *http.Request) CacheKey {
}
sort.Strings(varyHeaders)
url := r.URL.String()
acceptHeaders := r.Header.Get("Accept")
userAgent := r.Header.Get("User-Agent")
// 🎯 针对图片请求进行智能缓存键优化
if utils.IsImageRequest(r.URL.Path) {
// 解析Accept头中的图片格式偏好
imageFormat := cm.parseImageFormatPreference(acceptHeaders)
// 为图片请求生成格式感知的缓存键
return CacheKey{
URL: url,
AcceptHeaders: imageFormat, // 使用标准化的图片格式
UserAgent: cm.normalizeUserAgent(userAgent), // 标准化UserAgent
}
}
return CacheKey{
URL: r.URL.String(),
AcceptHeaders: r.Header.Get("Accept"),
UserAgent: r.Header.Get("User-Agent"),
URL: url,
AcceptHeaders: acceptHeaders,
UserAgent: userAgent,
}
}
// parseImageFormatPreference 解析图片格式偏好,返回标准化的格式标识
func (cm *CacheManager) parseImageFormatPreference(accept string) string {
if accept == "" {
return "image/jpeg" // 默认格式
}
accept = strings.ToLower(accept)
// 按优先级检查现代图片格式
switch {
case strings.Contains(accept, "image/avif"):
return "image/avif"
case strings.Contains(accept, "image/webp"):
return "image/webp"
case strings.Contains(accept, "image/jpeg") || strings.Contains(accept, "image/jpg"):
return "image/jpeg"
case strings.Contains(accept, "image/png"):
return "image/png"
case strings.Contains(accept, "image/gif"):
return "image/gif"
case strings.Contains(accept, "image/*"):
return "image/auto" // 自动格式
default:
return "image/jpeg" // 默认格式
}
}
// normalizeUserAgent 标准化UserAgent减少缓存键的变化
func (cm *CacheManager) normalizeUserAgent(ua string) string {
if ua == "" {
return "default"
}
ua = strings.ToLower(ua)
// 根据主要浏览器类型进行分类
switch {
case strings.Contains(ua, "chrome") && !strings.Contains(ua, "edge"):
return "chrome"
case strings.Contains(ua, "firefox"):
return "firefox"
case strings.Contains(ua, "safari") && !strings.Contains(ua, "chrome"):
return "safari"
case strings.Contains(ua, "edge"):
return "edge"
case strings.Contains(ua, "bot") || strings.Contains(ua, "crawler"):
return "bot"
default:
return "other"
}
}
@ -324,6 +395,100 @@ func (cm *CacheManager) Get(key CacheKey, r *http.Request) (*CacheItem, bool, bo
return nil, false, false
}
// 🎯 针对图片请求实现智能格式回退
if utils.IsImageRequest(r.URL.Path) {
return cm.getImageWithFallback(key, r)
}
return cm.getRegularItem(key)
}
// getImageWithFallback 获取图片缓存项,支持格式回退
func (cm *CacheManager) getImageWithFallback(key CacheKey, r *http.Request) (*CacheItem, bool, bool) {
// 首先尝试精确匹配
if item, found, notModified := cm.getRegularItem(key); found {
cm.imageCacheHit.Add(1)
return item, found, notModified
}
// 如果精确匹配失败,尝试格式回退
if item, found, notModified := cm.tryFormatFallback(key, r); found {
cm.formatFallbackHit.Add(1)
return item, found, notModified
}
return nil, false, false
}
// tryFormatFallback 尝试格式回退
func (cm *CacheManager) tryFormatFallback(originalKey CacheKey, r *http.Request) (*CacheItem, bool, bool) {
requestedFormat := originalKey.AcceptHeaders
// 定义格式回退顺序
fallbackFormats := cm.getFormatFallbackOrder(requestedFormat)
for _, format := range fallbackFormats {
fallbackKey := CacheKey{
URL: originalKey.URL,
AcceptHeaders: format,
UserAgent: originalKey.UserAgent,
}
if item, found, notModified := cm.getRegularItem(fallbackKey); found {
// 找到了兼容格式,检查是否真的兼容
if cm.isFormatCompatible(requestedFormat, format, item.ContentType) {
log.Printf("[Cache] 格式回退: %s -> %s (%s)", requestedFormat, format, originalKey.URL)
return item, found, notModified
}
}
}
return nil, false, false
}
// getFormatFallbackOrder 获取格式回退顺序
func (cm *CacheManager) getFormatFallbackOrder(requestedFormat string) []string {
switch requestedFormat {
case "image/avif":
return []string{"image/webp", "image/jpeg", "image/png"}
case "image/webp":
return []string{"image/jpeg", "image/png", "image/avif"}
case "image/jpeg":
return []string{"image/webp", "image/png", "image/avif"}
case "image/png":
return []string{"image/webp", "image/jpeg", "image/avif"}
case "image/auto":
return []string{"image/webp", "image/avif", "image/jpeg", "image/png"}
default:
return []string{"image/jpeg", "image/webp", "image/png"}
}
}
// isFormatCompatible 检查格式是否兼容
func (cm *CacheManager) isFormatCompatible(requestedFormat, cachedFormat, actualContentType string) bool {
// 如果是自动格式,接受任何现代格式
if requestedFormat == "image/auto" {
return true
}
// 现代浏览器通常可以处理多种格式
modernFormats := map[string]bool{
"image/webp": true,
"image/avif": true,
"image/jpeg": true,
"image/png": true,
}
// 检查实际内容类型是否为现代格式
if actualContentType != "" {
return modernFormats[strings.ToLower(actualContentType)]
}
return modernFormats[cachedFormat]
}
// getRegularItem 获取常规缓存项(原有逻辑)
func (cm *CacheManager) getRegularItem(key CacheKey) (*CacheItem, bool, bool) {
// 检查LRU缓存
if item, found := cm.lruCache.Get(key); found {
// 检查LRU缓存项是否过期
@ -336,6 +501,7 @@ func (cm *CacheManager) Get(key CacheKey, r *http.Request) (*CacheItem, bool, bo
item.LastAccess = time.Now()
atomic.AddInt64(&item.AccessCount, 1)
cm.hitCount.Add(1)
cm.regularCacheHit.Add(1)
return item, true, false
}
@ -367,6 +533,7 @@ func (cm *CacheManager) Get(key CacheKey, r *http.Request) (*CacheItem, bool, bo
item.LastAccess = time.Now()
atomic.AddInt64(&item.AccessCount, 1)
cm.hitCount.Add(1)
cm.regularCacheHit.Add(1)
cm.bytesSaved.Add(item.Size)
// 将缓存项添加到LRU缓存
@ -531,13 +698,16 @@ func (cm *CacheManager) GetStats() CacheStats {
}
return CacheStats{
TotalItems: totalItems,
TotalSize: totalSize,
HitCount: hitCount,
MissCount: missCount,
HitRate: hitRate,
BytesSaved: cm.bytesSaved.Load(),
Enabled: cm.enabled.Load(),
TotalItems: totalItems,
TotalSize: totalSize,
HitCount: hitCount,
MissCount: missCount,
HitRate: hitRate,
BytesSaved: cm.bytesSaved.Load(),
Enabled: cm.enabled.Load(),
FormatFallbackHit: cm.formatFallbackHit.Load(),
ImageCacheHit: cm.imageCacheHit.Load(),
RegularCacheHit: cm.regularCacheHit.Load(),
}
}
@ -580,6 +750,9 @@ func (cm *CacheManager) ClearCache() error {
cm.hitCount.Store(0)
cm.missCount.Store(0)
cm.bytesSaved.Store(0)
cm.formatFallbackHit.Store(0)
cm.imageCacheHit.Store(0)
cm.regularCacheHit.Store(0)
return nil
}
@ -650,15 +823,41 @@ func (cm *CacheManager) Commit(key CacheKey, tempPath string, resp *http.Respons
return fmt.Errorf("cache is disabled")
}
// 生成最终的缓存文件名
h := sha256.New()
h.Write([]byte(key.String()))
hashStr := hex.EncodeToString(h.Sum(nil))
ext := filepath.Ext(key.URL)
if ext == "" {
ext = ".bin"
// 读取临时文件内容以计算哈希
tempData, err := os.ReadFile(tempPath)
if err != nil {
os.Remove(tempPath)
return fmt.Errorf("failed to read temp file: %v", err)
}
filePath := filepath.Join(cm.cacheDir, hashStr+ext)
// 计算内容哈希与Put方法保持一致
contentHash := sha256.Sum256(tempData)
hashStr := hex.EncodeToString(contentHash[:])
// 检查是否存在相同哈希的缓存项
var existingItem *CacheItem
cm.items.Range(func(k, v interface{}) bool {
if item := v.(*CacheItem); item.Hash == hashStr {
if _, err := os.Stat(item.FilePath); err == nil {
existingItem = item
return false
}
cm.items.Delete(k)
}
return true
})
if existingItem != nil {
// 删除临时文件,使用现有缓存
os.Remove(tempPath)
cm.items.Store(key, existingItem)
log.Printf("[Cache] HIT %s %s (%s) from %s", resp.Request.Method, key.URL, formatBytes(existingItem.Size), utils.GetRequestSource(resp.Request))
return nil
}
// 生成最终的缓存文件名(使用内容哈希)
fileName := hashStr
filePath := filepath.Join(cm.cacheDir, fileName)
// 重命名临时文件
if err := os.Rename(tempPath, filePath); err != nil {
@ -848,79 +1047,3 @@ func (cm *CacheManager) Stop() {
cm.extensionMatcherCache.Stop()
}
}
// prewarmCache 启动缓存预热
func (cm *CacheManager) prewarmCache() {
// 模拟一些请求来预热缓存
// 实际应用中,这里会从数据库或外部服务加载热点数据
// 例如从数据库加载最近访问频率高的URL
// 或者从外部API获取热门资源
// 示例加载最近访问的URL
// 假设我们有一个数据库或文件记录最近访问的URL和它们的哈希
// 这里我们简单地加载一些示例URL
exampleUrls := []string{
"https://example.com/api/data",
"https://api.github.com/repos/golang/go/releases",
"https://api.openai.com/v1/models",
"https://api.openai.com/v1/chat/completions",
}
for _, url := range exampleUrls {
// 生成一个随机的Accept Headers和UserAgent
acceptHeaders := "application/json"
userAgent := "Mozilla/5.0 (compatible; ProxyGo/1.0)"
// 模拟一个HTTP请求
req, err := http.NewRequest("GET", url, nil)
if err != nil {
log.Printf("[Cache] ERR Failed to create request for prewarming: %v", err)
continue
}
req.Header.Set("Accept", acceptHeaders)
req.Header.Set("User-Agent", userAgent)
// 生成缓存键
cacheKey := cm.GenerateCacheKey(req)
// 尝试从LRU缓存获取
if _, found := cm.lruCache.Get(cacheKey); found {
log.Printf("[Cache] WARN %s (prewarmed)", cacheKey.URL)
continue
}
// 尝试从文件缓存获取
if _, ok := cm.items.Load(cacheKey); ok {
log.Printf("[Cache] WARN %s (prewarmed)", cacheKey.URL)
continue
}
// 模拟一个HTTP响应
resp := &http.Response{
StatusCode: http.StatusOK,
Header: make(http.Header),
Request: req,
}
resp.Header.Set("Content-Type", "application/json")
resp.Header.Set("Content-Encoding", "gzip")
resp.Header.Set("X-Cache", "HIT") // 模拟缓存命中
// 模拟一个HTTP请求体
body := []byte(`{"message": "Hello from prewarmed cache"}`)
// 添加到LRU缓存
contentHash := sha256.Sum256(body)
cm.lruCache.Put(cacheKey, &CacheItem{
FilePath: "", // 文件缓存,这里不需要
ContentType: "application/json",
ContentEncoding: "gzip",
Size: int64(len(body)),
LastAccess: time.Now(),
Hash: hex.EncodeToString(contentHash[:]),
CreatedAt: time.Now(),
AccessCount: 1,
})
log.Printf("[Cache] PREWARM %s", cacheKey.URL)
}
}

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@ -1,64 +0,0 @@
package cache
import (
"net/http"
"os"
"testing"
"time"
)
func TestCacheExpiry(t *testing.T) {
// 创建临时目录用于测试
tempDir, err := os.MkdirTemp("", "cache-test-*")
if err != nil {
t.Fatal("Failed to create temp dir:", err)
}
defer os.RemoveAll(tempDir)
// 创建缓存管理器设置较短的过期时间5秒用于测试
cm, err := NewCacheManager(tempDir)
if err != nil {
t.Fatal("Failed to create cache manager:", err)
}
cm.maxAge = 5 * time.Second
// 创建测试请求和响应
req, _ := http.NewRequest("GET", "http://example.com/test", nil)
resp := &http.Response{
StatusCode: http.StatusOK,
Header: make(http.Header),
}
testData := []byte("test data")
// 生成缓存键
key := cm.GenerateCacheKey(req)
// 1. 首先放入缓存
_, err = cm.Put(key, resp, testData)
if err != nil {
t.Fatal("Failed to put item in cache:", err)
}
// 2. 立即获取,应该能命中
if _, hit, _ := cm.Get(key, req); !hit {
t.Error("Cache should hit immediately after putting")
}
// 3. 等待3秒未过期再次访问
time.Sleep(3 * time.Second)
if _, hit, _ := cm.Get(key, req); !hit {
t.Error("Cache should hit after 3 seconds")
}
// 4. 再等待3秒总共6秒但因为上次访问重置了时间所以应该还在有效期内
time.Sleep(3 * time.Second)
if _, hit, _ := cm.Get(key, req); !hit {
t.Error("Cache should hit after 6 seconds because last access reset the timer")
}
// 5. 等待6秒超过过期时间且无访问这次应该过期
time.Sleep(6 * time.Second)
if _, hit, _ := cm.Get(key, req); hit {
t.Error("Cache should expire after 6 seconds of no access")
}
}

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@ -25,8 +25,9 @@ type Metrics struct {
MemoryUsage string `json:"memory_usage"`
// 性能指标
AverageResponseTime string `json:"avg_response_time"`
RequestsPerSecond float64 `json:"requests_per_second"`
AverageResponseTime string `json:"avg_response_time"`
RequestsPerSecond float64 `json:"requests_per_second"`
CurrentSessionRequests int64 `json:"current_session_requests"`
// 传输指标
TotalBytes int64 `json:"total_bytes"`
@ -61,20 +62,21 @@ func (h *ProxyHandler) MetricsHandler(w http.ResponseWriter, r *http.Request) {
if stats == nil {
stats = map[string]interface{}{
"uptime": metrics.FormatUptime(uptime),
"active_requests": int64(0),
"total_requests": int64(0),
"total_errors": int64(0),
"error_rate": float64(0),
"num_goroutine": runtime.NumGoroutine(),
"memory_usage": "0 B",
"avg_response_time": "0 ms",
"total_bytes": int64(0),
"bytes_per_second": float64(0),
"requests_per_second": float64(0),
"status_code_stats": make(map[string]int64),
"recent_requests": make([]models.RequestLog, 0),
"top_referers": make([]models.PathMetrics, 0),
"uptime": metrics.FormatUptime(uptime),
"active_requests": int64(0),
"total_requests": int64(0),
"total_errors": int64(0),
"error_rate": float64(0),
"num_goroutine": runtime.NumGoroutine(),
"memory_usage": "0 B",
"avg_response_time": "0 ms",
"total_bytes": int64(0),
"bytes_per_second": float64(0),
"requests_per_second": float64(0),
"current_session_requests": int64(0),
"status_code_stats": make(map[string]int64),
"recent_requests": make([]models.RequestLog, 0),
"top_referers": make([]models.PathMetrics, 0),
"latency_stats": map[string]interface{}{
"min": "0ms",
"max": "0ms",
@ -108,22 +110,23 @@ func (h *ProxyHandler) MetricsHandler(w http.ResponseWriter, r *http.Request) {
statusCodeStats := models.SafeStatusCodeStats(stats["status_code_stats"])
metrics := Metrics{
Uptime: metrics.FormatUptime(uptime),
ActiveRequests: utils.SafeInt64(stats["active_requests"]),
TotalRequests: totalRequests,
TotalErrors: totalErrors,
ErrorRate: float64(totalErrors) / float64(utils.Max(totalRequests, 1)),
NumGoroutine: utils.SafeInt(stats["num_goroutine"]),
MemoryUsage: utils.SafeString(stats["memory_usage"], "0 B"),
AverageResponseTime: utils.SafeString(stats["avg_response_time"], "0 ms"),
TotalBytes: totalBytes,
BytesPerSecond: float64(totalBytes) / utils.MaxFloat64(uptimeSeconds, 1),
RequestsPerSecond: float64(totalRequests) / utils.MaxFloat64(uptimeSeconds, 1),
StatusCodeStats: statusCodeStats,
RecentRequests: models.SafeRequestLogs(stats["recent_requests"]),
TopReferers: models.SafePathMetrics(stats["top_referers"]),
BandwidthHistory: bandwidthHistory,
CurrentBandwidth: utils.SafeString(stats["current_bandwidth"], "0 B/s"),
Uptime: metrics.FormatUptime(uptime),
ActiveRequests: utils.SafeInt64(stats["active_requests"]),
TotalRequests: totalRequests,
TotalErrors: totalErrors,
ErrorRate: float64(totalErrors) / float64(utils.Max(totalRequests, 1)),
NumGoroutine: utils.SafeInt(stats["num_goroutine"]),
MemoryUsage: utils.SafeString(stats["memory_usage"], "0 B"),
AverageResponseTime: utils.SafeString(stats["avg_response_time"], "0 ms"),
TotalBytes: totalBytes,
BytesPerSecond: float64(totalBytes) / utils.MaxFloat64(uptimeSeconds, 1),
RequestsPerSecond: utils.SafeFloat64(stats["requests_per_second"]),
CurrentSessionRequests: utils.SafeInt64(stats["current_session_requests"]),
StatusCodeStats: statusCodeStats,
RecentRequests: models.SafeRequestLogs(stats["recent_requests"]),
TopReferers: models.SafePathMetrics(stats["top_referers"]),
BandwidthHistory: bandwidthHistory,
CurrentBandwidth: utils.SafeString(stats["current_bandwidth"], "0 B/s"),
}
// 填充延迟统计数据

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@ -120,6 +120,26 @@ func (h *MirrorProxyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
actualURL += "?" + r.URL.RawQuery
}
// 早期缓存检查 - 只对GET请求进行缓存检查
if r.Method == http.MethodGet && h.Cache != nil {
cacheKey := h.Cache.GenerateCacheKey(r)
if item, hit, notModified := h.Cache.Get(cacheKey, r); hit {
// 从缓存提供响应
w.Header().Set("Content-Type", item.ContentType)
if item.ContentEncoding != "" {
w.Header().Set("Content-Encoding", item.ContentEncoding)
}
w.Header().Set("Proxy-Go-Cache-HIT", "1")
if notModified {
w.WriteHeader(http.StatusNotModified)
return
}
http.ServeFile(w, r, item.FilePath)
collector.RecordRequest(r.URL.Path, http.StatusOK, time.Since(startTime), item.Size, iputil.GetClientIP(r), r)
return
}
}
// 解析目标 URL 以获取 host
parsedURL, err := url.Parse(actualURL)
if err != nil {
@ -162,26 +182,6 @@ func (h *MirrorProxyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
proxyReq.Header.Set("Host", parsedURL.Host)
proxyReq.Host = parsedURL.Host
// 检查是否可以使用缓存
if r.Method == http.MethodGet && h.Cache != nil {
cacheKey := h.Cache.GenerateCacheKey(r)
if item, hit, notModified := h.Cache.Get(cacheKey, r); hit {
// 从缓存提供响应
w.Header().Set("Content-Type", item.ContentType)
if item.ContentEncoding != "" {
w.Header().Set("Content-Encoding", item.ContentEncoding)
}
w.Header().Set("Proxy-Go-Cache-HIT", "1")
if notModified {
w.WriteHeader(http.StatusNotModified)
return
}
http.ServeFile(w, r, item.FilePath)
collector.RecordRequest(r.URL.Path, http.StatusOK, time.Since(startTime), item.Size, iputil.GetClientIP(r), r)
return
}
}
// 发送请求
resp, err := h.client.Do(proxyReq)
if err != nil {

View File

@ -262,6 +262,28 @@ func (h *ProxyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
return
}
// 早期缓存检查 - 只对GET请求进行缓存检查
if r.Method == http.MethodGet && h.Cache != nil {
cacheKey := h.Cache.GenerateCacheKey(r)
if item, hit, notModified := h.Cache.Get(cacheKey, r); hit {
// 从缓存提供响应
w.Header().Set("Content-Type", item.ContentType)
if item.ContentEncoding != "" {
w.Header().Set("Content-Encoding", item.ContentEncoding)
}
w.Header().Set("Proxy-Go-Cache-HIT", "1")
w.Header().Set("Proxy-Go-AltTarget", "0") // 缓存命中时设为0
if notModified {
w.WriteHeader(http.StatusNotModified)
return
}
http.ServeFile(w, r, item.FilePath)
collector.RecordRequest(r.URL.Path, http.StatusOK, time.Since(start), item.Size, iputil.GetClientIP(r), r)
return
}
}
// 构建目标 URL
targetPath := strings.TrimPrefix(r.URL.Path, matchedPrefix)
@ -384,33 +406,6 @@ func (h *ProxyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
}
}
// 检查是否可以使用缓存
if r.Method == http.MethodGet && h.Cache != nil {
cacheKey := h.Cache.GenerateCacheKey(r)
if item, hit, notModified := h.Cache.Get(cacheKey, r); hit {
// 从缓存提供响应
w.Header().Set("Content-Type", item.ContentType)
if item.ContentEncoding != "" {
w.Header().Set("Content-Encoding", item.ContentEncoding)
}
w.Header().Set("Proxy-Go-Cache-HIT", "1")
// 如果使用了扩展名映射的备用目标,添加标记响应头
if usedAltTarget {
w.Header().Set("Proxy-Go-AltTarget", "1")
}
w.Header().Set("Proxy-Go-AltTarget", "0")
if notModified {
w.WriteHeader(http.StatusNotModified)
return
}
http.ServeFile(w, r, item.FilePath)
collector.RecordRequest(r.URL.Path, http.StatusOK, time.Since(start), item.Size, iputil.GetClientIP(r), r)
return
}
}
// 发送代理请求
resp, err := h.client.Do(proxyReq)
if err != nil {
@ -432,8 +427,9 @@ func (h *ProxyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// 如果使用了扩展名映射的备用目标,添加标记响应头
if usedAltTarget {
w.Header().Set("Proxy-Go-AltTarget", "1")
} else {
w.Header().Set("Proxy-Go-AltTarget", "0")
}
w.Header().Set("Proxy-Go-AltTarget", "0")
// 设置响应状态码
w.WriteHeader(resp.StatusCode)
@ -501,9 +497,17 @@ func copyHeader(dst, src http.Header) {
}
}
// 使用局部 map 快速查找,跳过 hop-by-hop 头部
// 添加需要过滤的安全头部
securityHeaders := map[string]bool{
"Content-Security-Policy": true,
"Content-Security-Policy-Report-Only": true,
"X-Content-Security-Policy": true,
"X-WebKit-CSP": true,
}
// 使用局部 map 快速查找,跳过 hop-by-hop 头部和安全头部
for k, vv := range src {
if !hopHeaders[k] {
if !hopHeaders[k] && !securityHeaders[k] {
for _, v := range vv {
dst.Add(k, v)
}

View File

@ -10,6 +10,7 @@ import (
"proxy-go/internal/utils"
"runtime"
"sort"
"strconv"
"sync"
"sync/atomic"
"time"
@ -186,6 +187,19 @@ type Collector struct {
}
recentRequests *models.RequestQueue
config *config.Config
// 新增:当前会话统计
sessionRequests int64 // 当前会话的请求数(不包含历史数据)
// 新增:基于时间窗口的请求统计
requestsWindow struct {
sync.RWMutex
window time.Duration // 时间窗口大小5分钟
buckets []int64 // 时间桶每个桶统计10秒内的请求数
bucketSize time.Duration // 每个桶的时间长度10秒
lastUpdate time.Time // 最后更新时间
current int64 // 当前桶的请求数
}
}
type RequestMetric struct {
@ -222,6 +236,13 @@ func InitCollector(cfg *config.Config) error {
instance.bandwidthStats.lastUpdate = time.Now()
instance.bandwidthStats.history = make(map[string]int64)
// 初始化请求窗口统计5分钟窗口10秒一个桶共30个桶
instance.requestsWindow.window = 5 * time.Minute
instance.requestsWindow.bucketSize = 10 * time.Second
bucketCount := int(instance.requestsWindow.window / instance.requestsWindow.bucketSize)
instance.requestsWindow.buckets = make([]int64, bucketCount)
instance.requestsWindow.lastUpdate = time.Now()
// 初始化延迟分布桶
buckets := []string{"lt10ms", "10-50ms", "50-200ms", "200-1000ms", "gt1s"}
for _, bucket := range buckets {
@ -318,9 +339,14 @@ func (c *Collector) GetStats() map[string]interface{} {
// 计算总请求数和平均延迟
var totalRequests int64
var totalErrors int64
statusCodeStats := c.statusCodeStats.GetStats()
for _, count := range statusCodeStats {
for statusCode, count := range statusCodeStats {
totalRequests += count
// 计算错误数4xx和5xx状态码
if code, err := strconv.Atoi(statusCode); err == nil && code >= 400 {
totalErrors += count
}
}
avgLatency := float64(0)
@ -328,8 +354,17 @@ func (c *Collector) GetStats() map[string]interface{} {
avgLatency = float64(atomic.LoadInt64(&c.latencySum)) / float64(totalRequests)
}
// 计算总体平均每秒请求数
requestsPerSecond := float64(totalRequests) / totalRuntime.Seconds()
// 计算错误率
errorRate := float64(0)
if totalRequests > 0 {
errorRate = float64(totalErrors) / float64(totalRequests)
}
// 计算当前会话的请求数(基于本次启动后的实际请求)
sessionRequests := atomic.LoadInt64(&c.sessionRequests)
// 计算最近5分钟的平均每秒请求数
requestsPerSecond := c.getRecentRequestsPerSecond()
// 收集状态码统计(已经在上面获取了)
@ -396,6 +431,9 @@ func (c *Collector) GetStats() map[string]interface{} {
return map[string]interface{}{
"uptime": FormatUptime(totalRuntime),
"active_requests": atomic.LoadInt64(&c.activeRequests),
"total_requests": totalRequests,
"total_errors": totalErrors,
"error_rate": errorRate,
"total_bytes": atomic.LoadInt64(&c.totalBytes),
"num_goroutine": runtime.NumGoroutine(),
"memory_usage": utils.FormatBytes(int64(mem.Alloc)),
@ -410,8 +448,9 @@ func (c *Collector) GetStats() map[string]interface{} {
"max": fmt.Sprintf("%.2fms", float64(maxLatency)/float64(time.Millisecond)),
"distribution": latencyDistribution,
},
"bandwidth_history": bandwidthHistory,
"current_bandwidth": utils.FormatBytes(int64(c.getCurrentBandwidth())) + "/s",
"bandwidth_history": bandwidthHistory,
"current_bandwidth": utils.FormatBytes(int64(c.getCurrentBandwidth())) + "/s",
"current_session_requests": sessionRequests,
}
}
@ -537,6 +576,76 @@ func (c *Collector) getCurrentBandwidth() float64 {
return float64(c.bandwidthStats.current) / duration
}
// updateRequestsWindow 更新请求窗口统计
func (c *Collector) updateRequestsWindow(count int64) {
c.requestsWindow.Lock()
defer c.requestsWindow.Unlock()
now := time.Now()
// 如果是第一次调用,初始化时间
if c.requestsWindow.lastUpdate.IsZero() {
c.requestsWindow.lastUpdate = now
}
// 计算当前时间桶的索引
timeSinceLastUpdate := now.Sub(c.requestsWindow.lastUpdate)
// 如果时间跨度超过桶大小,需要移动到新桶
if timeSinceLastUpdate >= c.requestsWindow.bucketSize {
bucketsToMove := int(timeSinceLastUpdate / c.requestsWindow.bucketSize)
if bucketsToMove >= len(c.requestsWindow.buckets) {
// 如果移动的桶数超过总桶数,清空所有桶
for i := range c.requestsWindow.buckets {
c.requestsWindow.buckets[i] = 0
}
} else {
// 向右移动桶数据新数据在索引0
copy(c.requestsWindow.buckets[bucketsToMove:], c.requestsWindow.buckets[:len(c.requestsWindow.buckets)-bucketsToMove])
// 清空前面的桶
for i := 0; i < bucketsToMove; i++ {
c.requestsWindow.buckets[i] = 0
}
}
// 更新时间为当前桶的开始时间
c.requestsWindow.lastUpdate = now.Truncate(c.requestsWindow.bucketSize)
}
// 将请求数加到第一个桶(当前时间桶)
if len(c.requestsWindow.buckets) > 0 {
c.requestsWindow.buckets[0] += count
}
}
// getRecentRequestsPerSecond 获取最近5分钟的平均每秒请求数
func (c *Collector) getRecentRequestsPerSecond() float64 {
c.requestsWindow.RLock()
defer c.requestsWindow.RUnlock()
// 统计所有桶的总请求数
var totalRequests int64
for _, bucket := range c.requestsWindow.buckets {
totalRequests += bucket
}
// 计算实际的时间窗口可能不满5分钟
now := time.Now()
actualWindow := c.requestsWindow.window
// 如果程序运行时间不足5分钟使用实际运行时间
if runTime := now.Sub(c.startTime); runTime < c.requestsWindow.window {
actualWindow = runTime
}
if actualWindow.Seconds() == 0 {
return 0
}
return float64(totalRequests) / actualWindow.Seconds()
}
// getBandwidthHistory 获取带宽历史记录
func (c *Collector) getBandwidthHistory() map[string]string {
c.bandwidthStats.RLock()
@ -599,6 +708,12 @@ func (c *Collector) startAsyncMetricsUpdater() {
// 批量更新指标
func (c *Collector) updateMetricsBatch(batch []RequestMetric) {
for _, m := range batch {
// 增加当前会话请求计数
atomic.AddInt64(&c.sessionRequests, 1)
// 更新请求窗口统计
c.updateRequestsWindow(1)
// 更新状态码统计
c.statusCodeStats.Increment(m.Status)

View File

@ -459,6 +459,26 @@ func SafeString(v interface{}, defaultValue string) string {
return defaultValue
}
func SafeFloat64(v interface{}) float64 {
if v == nil {
return 0
}
switch val := v.(type) {
case float64:
return val
case float32:
return float64(val)
case int64:
return float64(val)
case int:
return float64(val)
case int32:
return float64(val)
default:
return 0
}
}
// Max 返回两个 int64 中的较大值
func Max(a, b int64) int64 {
if a > b {

View File

@ -7,7 +7,24 @@ import { useToast } from "@/components/ui/use-toast"
import { Switch } from "@/components/ui/switch"
import { Input } from "@/components/ui/input"
import { Label } from "@/components/ui/label"
import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip"
import { useRouter } from "next/navigation"
import {
HardDrive,
Database,
TrendingUp,
TrendingDown,
Activity,
Image as ImageIcon,
FileText,
RefreshCw,
Trash2,
Settings,
Info,
Zap,
Target,
RotateCcw
} from "lucide-react"
interface CacheStats {
total_items: number
@ -17,6 +34,9 @@ interface CacheStats {
hit_rate: number
bytes_saved: number
enabled: boolean
format_fallback_hit: number
image_cache_hit: number
regular_cache_hit: number
}
interface CacheConfig {
@ -256,15 +276,19 @@ export default function CachePage() {
const config = configs[type]
return (
<div className="space-y-4 mt-4">
<h3 className="text-sm font-medium"></h3>
<div className="space-y-4 mt-4 p-4 bg-gray-50 rounded-lg border">
<div className="flex items-center gap-2">
<Settings className="h-4 w-4 text-gray-600" />
<h3 className="text-sm font-medium text-gray-800"></h3>
</div>
<div className="grid gap-4">
<div className="grid grid-cols-2 items-center gap-4">
<Label htmlFor={`${type}-max-age`}></Label>
<Label htmlFor={`${type}-max-age`} className="text-sm"></Label>
<Input
id={`${type}-max-age`}
type="number"
value={config.max_age}
className="h-8"
onChange={(e) => {
const newConfigs = { ...configs }
newConfigs[type].max_age = parseInt(e.target.value)
@ -274,11 +298,12 @@ export default function CachePage() {
/>
</div>
<div className="grid grid-cols-2 items-center gap-4">
<Label htmlFor={`${type}-cleanup-tick`}></Label>
<Label htmlFor={`${type}-cleanup-tick`} className="text-sm"></Label>
<Input
id={`${type}-cleanup-tick`}
type="number"
value={config.cleanup_tick}
className="h-8"
onChange={(e) => {
const newConfigs = { ...configs }
newConfigs[type].cleanup_tick = parseInt(e.target.value)
@ -288,11 +313,12 @@ export default function CachePage() {
/>
</div>
<div className="grid grid-cols-2 items-center gap-4">
<Label htmlFor={`${type}-max-cache-size`}>GB</Label>
<Label htmlFor={`${type}-max-cache-size`} className="text-sm">GB</Label>
<Input
id={`${type}-max-cache-size`}
type="number"
value={config.max_cache_size}
className="h-8"
onChange={(e) => {
const newConfigs = { ...configs }
newConfigs[type].max_cache_size = parseInt(e.target.value)
@ -310,6 +336,7 @@ export default function CachePage() {
return (
<div className="flex h-[calc(100vh-4rem)] items-center justify-center">
<div className="text-center">
<RefreshCw className="h-8 w-8 animate-spin mx-auto mb-4 text-blue-500" />
<div className="text-lg font-medium">...</div>
<div className="text-sm text-gray-500 mt-1"></div>
</div>
@ -318,112 +345,352 @@ export default function CachePage() {
}
return (
<div className="space-y-6">
<div className="flex justify-end space-x-2">
<Button variant="outline" onClick={() => handleClearCache("all")}>
</Button>
</div>
<TooltipProvider>
<div className="space-y-6">
<div className="flex justify-between items-center">
<div className="flex items-center gap-2">
<Database className="h-6 w-6 text-blue-600" />
<h1 className="text-2xl font-bold"></h1>
</div>
<Button
variant="outline"
onClick={() => handleClearCache("all")}
className="flex items-center gap-2"
>
<Trash2 className="h-4 w-4" />
</Button>
</div>
<div className="grid gap-6 md:grid-cols-2">
{/* 代理缓存 */}
<Card>
<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
<CardTitle></CardTitle>
<div className="flex items-center space-x-2">
<Switch
checked={stats?.proxy.enabled ?? false}
onCheckedChange={(checked) => handleToggleCache("proxy", checked)}
/>
<Button
variant="outline"
size="sm"
onClick={() => handleClearCache("proxy")}
>
</Button>
</div>
{/* 智能缓存汇总 */}
<Card className="border-2 border-blue-100 bg-gradient-to-r from-blue-50 to-purple-50">
<CardHeader className="pb-3">
<CardTitle className="flex items-center gap-2 text-blue-800">
<Zap className="h-5 w-5" />
</CardTitle>
</CardHeader>
<CardContent>
<dl className="space-y-2">
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{stats?.proxy.total_items ?? 0}</dd>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{formatBytes(stats?.proxy.total_size ?? 0)}</dd>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{stats?.proxy.hit_count ?? 0}</dd>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{stats?.proxy.miss_count ?? 0}</dd>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{(stats?.proxy.hit_rate ?? 0).toFixed(2)}%</dd>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{formatBytes(stats?.proxy.bytes_saved ?? 0)}</dd>
</div>
</dl>
{renderCacheConfig("proxy")}
<div className="grid grid-cols-2 md:grid-cols-4 gap-4">
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-4 bg-white rounded-lg shadow-sm border cursor-help hover:shadow-md transition-shadow">
<div className="flex items-center justify-center gap-2 mb-2">
<FileText className="h-5 w-5 text-blue-600" />
<Info className="h-3 w-3 text-gray-400" />
</div>
<div className="text-2xl font-bold text-blue-600">
{(stats?.proxy.regular_cache_hit ?? 0) + (stats?.mirror.regular_cache_hit ?? 0)}
</div>
<div className="text-sm text-gray-600 font-medium"></div>
</div>
</TooltipTrigger>
<TooltipContent>
<p></p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-4 bg-white rounded-lg shadow-sm border cursor-help hover:shadow-md transition-shadow">
<div className="flex items-center justify-center gap-2 mb-2">
<ImageIcon className="h-5 w-5 text-green-600" aria-hidden="true" />
<Info className="h-3 w-3 text-gray-400" />
</div>
<div className="text-2xl font-bold text-green-600">
{(stats?.proxy.image_cache_hit ?? 0) + (stats?.mirror.image_cache_hit ?? 0)}
</div>
<div className="text-sm text-gray-600 font-medium"></div>
</div>
</TooltipTrigger>
<TooltipContent>
<p></p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-4 bg-white rounded-lg shadow-sm border cursor-help hover:shadow-md transition-shadow">
<div className="flex items-center justify-center gap-2 mb-2">
<RotateCcw className="h-5 w-5 text-orange-600" />
<Info className="h-3 w-3 text-gray-400" />
</div>
<div className="text-2xl font-bold text-orange-600">
{(stats?.proxy.format_fallback_hit ?? 0) + (stats?.mirror.format_fallback_hit ?? 0)}
</div>
<div className="text-sm text-gray-600 font-medium">退</div>
</div>
</TooltipTrigger>
<TooltipContent>
<p>退</p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-4 bg-white rounded-lg shadow-sm border cursor-help hover:shadow-md transition-shadow">
<div className="flex items-center justify-center gap-2 mb-2">
<Target className="h-5 w-5 text-purple-600" />
<Info className="h-3 w-3 text-gray-400" />
</div>
<div className="text-2xl font-bold text-purple-600">
{(() => {
const totalImageRequests = (stats?.proxy.image_cache_hit ?? 0) + (stats?.mirror.image_cache_hit ?? 0) + (stats?.proxy.format_fallback_hit ?? 0) + (stats?.mirror.format_fallback_hit ?? 0)
const fallbackHits = (stats?.proxy.format_fallback_hit ?? 0) + (stats?.mirror.format_fallback_hit ?? 0)
return totalImageRequests > 0 ? ((fallbackHits / totalImageRequests) * 100).toFixed(1) : '0.0'
})()}%
</div>
<div className="text-sm text-gray-600 font-medium">退</div>
</div>
</TooltipTrigger>
<TooltipContent>
<p>退</p>
</TooltipContent>
</Tooltip>
</div>
</CardContent>
</Card>
{/* 镜像缓存 */}
<Card>
<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
<CardTitle></CardTitle>
<div className="flex items-center space-x-2">
<Switch
checked={stats?.mirror.enabled ?? false}
onCheckedChange={(checked) => handleToggleCache("mirror", checked)}
/>
<Button
variant="outline"
size="sm"
onClick={() => handleClearCache("mirror")}
>
</Button>
</div>
</CardHeader>
<CardContent>
<dl className="space-y-2">
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{stats?.mirror.total_items ?? 0}</dd>
<div className="grid gap-6 md:grid-cols-2">
{/* 代理缓存 */}
<Card className="border-l-4 border-l-blue-500">
<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
<CardTitle className="flex items-center gap-2">
<HardDrive className="h-5 w-5 text-blue-600" />
</CardTitle>
<div className="flex items-center space-x-2">
<Switch
checked={stats?.proxy.enabled ?? false}
onCheckedChange={(checked) => handleToggleCache("proxy", checked)}
/>
<Button
variant="outline"
size="sm"
onClick={() => handleClearCache("proxy")}
className="flex items-center gap-1"
>
<Trash2 className="h-3 w-3" />
</Button>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{formatBytes(stats?.mirror.total_size ?? 0)}</dd>
</CardHeader>
<CardContent>
<dl className="space-y-3">
<div className="flex justify-between items-center p-2 bg-gray-50 rounded">
<dt className="text-sm font-medium text-gray-600 flex items-center gap-2">
<Database className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-gray-900">{stats?.proxy.total_items ?? 0}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-gray-50 rounded">
<dt className="text-sm font-medium text-gray-600 flex items-center gap-2">
<HardDrive className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-gray-900">{formatBytes(stats?.proxy.total_size ?? 0)}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-green-50 rounded">
<dt className="text-sm font-medium text-green-700 flex items-center gap-2">
<TrendingUp className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-green-800">{stats?.proxy.hit_count ?? 0}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-red-50 rounded">
<dt className="text-sm font-medium text-red-700 flex items-center gap-2">
<TrendingDown className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-red-800">{stats?.proxy.miss_count ?? 0}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-blue-50 rounded">
<dt className="text-sm font-medium text-blue-700 flex items-center gap-2">
<Activity className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-blue-800">{(stats?.proxy.hit_rate ?? 0).toFixed(2)}%</dd>
</div>
<div className="flex justify-between items-center p-2 bg-purple-50 rounded">
<dt className="text-sm font-medium text-purple-700 flex items-center gap-2">
<Zap className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-purple-800">{formatBytes(stats?.proxy.bytes_saved ?? 0)}</dd>
</div>
</dl>
<div className="border-t pt-4 mt-4">
<div className="flex items-center gap-2 mb-3">
<Zap className="h-4 w-4 text-gray-600" />
<div className="text-sm font-medium text-gray-800"></div>
</div>
<div className="grid grid-cols-3 gap-3">
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-3 bg-blue-50 rounded-lg border cursor-help hover:bg-blue-100 transition-colors">
<FileText className="h-4 w-4 mx-auto mb-1 text-blue-600" />
<div className="text-lg font-bold text-blue-600">{stats?.proxy.regular_cache_hit ?? 0}</div>
<div className="text-xs text-blue-700"></div>
</div>
</TooltipTrigger>
<TooltipContent>
<p></p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-3 bg-green-50 rounded-lg border cursor-help hover:bg-green-100 transition-colors">
<ImageIcon className="h-4 w-4 mx-auto mb-1 text-green-600" aria-hidden="true" />
<div className="text-lg font-bold text-green-600">{stats?.proxy.image_cache_hit ?? 0}</div>
<div className="text-xs text-green-700"></div>
</div>
</TooltipTrigger>
<TooltipContent>
<p></p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-3 bg-orange-50 rounded-lg border cursor-help hover:bg-orange-100 transition-colors">
<RotateCcw className="h-4 w-4 mx-auto mb-1 text-orange-600" />
<div className="text-lg font-bold text-orange-600">{stats?.proxy.format_fallback_hit ?? 0}</div>
<div className="text-xs text-orange-700">退</div>
</div>
</TooltipTrigger>
<TooltipContent>
<p>退WebP但提供JPEG</p>
</TooltipContent>
</Tooltip>
</div>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{stats?.mirror.hit_count ?? 0}</dd>
{renderCacheConfig("proxy")}
</CardContent>
</Card>
{/* 镜像缓存 */}
<Card className="border-l-4 border-l-green-500">
<CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
<CardTitle className="flex items-center gap-2">
<Database className="h-5 w-5 text-green-600" />
</CardTitle>
<div className="flex items-center space-x-2">
<Switch
checked={stats?.mirror.enabled ?? false}
onCheckedChange={(checked) => handleToggleCache("mirror", checked)}
/>
<Button
variant="outline"
size="sm"
onClick={() => handleClearCache("mirror")}
className="flex items-center gap-1"
>
<Trash2 className="h-3 w-3" />
</Button>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{stats?.mirror.miss_count ?? 0}</dd>
</CardHeader>
<CardContent>
<dl className="space-y-3">
<div className="flex justify-between items-center p-2 bg-gray-50 rounded">
<dt className="text-sm font-medium text-gray-600 flex items-center gap-2">
<Database className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-gray-900">{stats?.mirror.total_items ?? 0}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-gray-50 rounded">
<dt className="text-sm font-medium text-gray-600 flex items-center gap-2">
<HardDrive className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-gray-900">{formatBytes(stats?.mirror.total_size ?? 0)}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-green-50 rounded">
<dt className="text-sm font-medium text-green-700 flex items-center gap-2">
<TrendingUp className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-green-800">{stats?.mirror.hit_count ?? 0}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-red-50 rounded">
<dt className="text-sm font-medium text-red-700 flex items-center gap-2">
<TrendingDown className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-red-800">{stats?.mirror.miss_count ?? 0}</dd>
</div>
<div className="flex justify-between items-center p-2 bg-blue-50 rounded">
<dt className="text-sm font-medium text-blue-700 flex items-center gap-2">
<Activity className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-blue-800">{(stats?.mirror.hit_rate ?? 0).toFixed(2)}%</dd>
</div>
<div className="flex justify-between items-center p-2 bg-purple-50 rounded">
<dt className="text-sm font-medium text-purple-700 flex items-center gap-2">
<Zap className="h-4 w-4" />
</dt>
<dd className="text-sm font-semibold text-purple-800">{formatBytes(stats?.mirror.bytes_saved ?? 0)}</dd>
</div>
</dl>
<div className="border-t pt-4 mt-4">
<div className="flex items-center gap-2 mb-3">
<Zap className="h-4 w-4 text-gray-600" />
<div className="text-sm font-medium text-gray-800"></div>
</div>
<div className="grid grid-cols-3 gap-3">
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-3 bg-blue-50 rounded-lg border cursor-help hover:bg-blue-100 transition-colors">
<FileText className="h-4 w-4 mx-auto mb-1 text-blue-600" />
<div className="text-lg font-bold text-blue-600">{stats?.mirror.regular_cache_hit ?? 0}</div>
<div className="text-xs text-blue-700"></div>
</div>
</TooltipTrigger>
<TooltipContent>
<p></p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-3 bg-green-50 rounded-lg border cursor-help hover:bg-green-100 transition-colors">
<ImageIcon className="h-4 w-4 mx-auto mb-1 text-green-600" aria-hidden="true" />
<div className="text-lg font-bold text-green-600">{stats?.mirror.image_cache_hit ?? 0}</div>
<div className="text-xs text-green-700"></div>
</div>
</TooltipTrigger>
<TooltipContent>
<p></p>
</TooltipContent>
</Tooltip>
<Tooltip>
<TooltipTrigger asChild>
<div className="text-center p-3 bg-orange-50 rounded-lg border cursor-help hover:bg-orange-100 transition-colors">
<RotateCcw className="h-4 w-4 mx-auto mb-1 text-orange-600" />
<div className="text-lg font-bold text-orange-600">{stats?.mirror.format_fallback_hit ?? 0}</div>
<div className="text-xs text-orange-700">退</div>
</div>
</TooltipTrigger>
<TooltipContent>
<p>退WebP但提供JPEG</p>
</TooltipContent>
</Tooltip>
</div>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{(stats?.mirror.hit_rate ?? 0).toFixed(2)}%</dd>
</div>
<div className="flex justify-between">
<dt className="text-sm font-medium text-gray-500"></dt>
<dd className="text-sm text-gray-900">{formatBytes(stats?.mirror.bytes_saved ?? 0)}</dd>
</div>
</dl>
{renderCacheConfig("mirror")}
</CardContent>
</Card>
{renderCacheConfig("mirror")}
</CardContent>
</Card>
</div>
</div>
</div>
</TooltipProvider>
)
}

View File

@ -34,13 +34,14 @@ interface Metrics {
bandwidth_history: Record<string, string>
current_bandwidth: string
total_bytes: number
current_session_requests: number
top_referers: Array<{
path: string
request_count: number
error_count: number
avg_latency: string
bytes_transferred: number
last_access_time: number // 添加最后访问时间字段
last_access_time: number
}>
}
@ -93,7 +94,7 @@ export default function DashboardPage() {
useEffect(() => {
fetchMetrics()
const interval = setInterval(fetchMetrics, 3000)
const interval = setInterval(fetchMetrics, 1000)
return () => clearInterval(interval)
}, [fetchMetrics])
@ -146,6 +147,18 @@ export default function DashboardPage() {
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold">{metrics.active_requests}</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold">{metrics.total_requests || Object.values(metrics.status_code_stats || {}).reduce((a, b) => a + (b as number), 0)}</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold text-red-600">{metrics.total_errors || 0}</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold text-red-600">{((metrics.error_rate || 0) * 100).toFixed(2)}%</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold">{formatBytes(metrics.total_bytes)}</div>
@ -154,6 +167,14 @@ export default function DashboardPage() {
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold">{formatBytes(metrics.bytes_per_second)}/s</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold text-blue-600">{metrics.current_session_requests || 0}</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500">5</div>
<div className="text-lg font-semibold">{(metrics.requests_per_second || 0).toFixed(2)}</div>
</div>
</div>
</CardContent>
</Card>
@ -177,10 +198,8 @@ export default function DashboardPage() {
<div className="text-lg font-semibold">{metrics.avg_response_time}</div>
</div>
<div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold">
{metrics.requests_per_second.toFixed(2)}
</div>
<div className="text-sm font-medium text-gray-500"></div>
<div className="text-lg font-semibold">{metrics.current_bandwidth}</div>
</div>
</div>
</CardContent>

View File

@ -0,0 +1,32 @@
"use client"
import * as React from "react"
import * as TooltipPrimitive from "@radix-ui/react-tooltip"
import { cn } from "@/lib/utils"
const TooltipProvider = TooltipPrimitive.Provider
const Tooltip = TooltipPrimitive.Root
const TooltipTrigger = TooltipPrimitive.Trigger
const TooltipContent = React.forwardRef<
React.ElementRef<typeof TooltipPrimitive.Content>,
React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
>(({ className, sideOffset = 4, ...props }, ref) => (
<TooltipPrimitive.Portal>
<TooltipPrimitive.Content
ref={ref}
sideOffset={sideOffset}
className={cn(
"z-50 overflow-hidden rounded-md bg-primary px-3 py-1.5 text-xs text-primary-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-tooltip-content-transform-origin]",
className
)}
{...props}
/>
</TooltipPrimitive.Portal>
))
TooltipContent.displayName = TooltipPrimitive.Content.displayName
export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }

425
web/package-lock.json generated
View File

@ -17,6 +17,7 @@
"@radix-ui/react-switch": "^1.1.3",
"@radix-ui/react-tabs": "^1.0.4",
"@radix-ui/react-toast": "^1.2.6",
"@radix-ui/react-tooltip": "^1.2.7",
"class-variance-authority": "^0.7.1",
"clsx": "^2.1.1",
"lucide-react": "^0.475.0",
@ -1542,6 +1543,397 @@
}
}
},
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"version": "1.2.7",
"resolved": "https://registry.npmjs.org/@radix-ui/react-tooltip/-/react-tooltip-1.2.7.tgz",
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View File

@ -18,6 +18,7 @@
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