chore: sync local changes (2026-03-12)
This commit is contained in:
@@ -1,302 +1,418 @@
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package services
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import (
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"log"
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"sync"
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"time"
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"mengyaping-backend/config"
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"mengyaping-backend/models"
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"mengyaping-backend/storage"
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"mengyaping-backend/utils"
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)
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// MonitorService 监控服务
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type MonitorService struct {
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httpClient *utils.HTTPClient
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storage *storage.Storage
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stopCh chan struct{}
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running bool
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mu sync.Mutex
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}
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var (
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monitorService *MonitorService
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monitorOnce sync.Once
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)
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// GetMonitorService 获取监控服务单例
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func GetMonitorService() *MonitorService {
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monitorOnce.Do(func() {
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cfg := config.GetConfig()
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monitorService = &MonitorService{
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httpClient: utils.NewHTTPClient(cfg.Monitor.Timeout),
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storage: storage.GetStorage(),
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stopCh: make(chan struct{}),
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}
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})
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return monitorService
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}
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// Start 启动监控服务
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func (s *MonitorService) Start() {
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s.mu.Lock()
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if s.running {
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s.mu.Unlock()
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return
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}
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s.running = true
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s.mu.Unlock()
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log.Println("监控服务已启动")
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// 立即执行一次检测
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go s.checkAll()
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// 定时检测
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cfg := config.GetConfig()
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ticker := time.NewTicker(cfg.Monitor.Interval)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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go s.checkAll()
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case <-s.stopCh:
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log.Println("监控服务已停止")
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return
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}
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}
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}
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// Stop 停止监控服务
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func (s *MonitorService) Stop() {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.running {
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close(s.stopCh)
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s.running = false
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}
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}
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// checkAll 检查所有网站
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func (s *MonitorService) checkAll() {
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websites := s.storage.GetWebsites()
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var wg sync.WaitGroup
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semaphore := make(chan struct{}, 10) // 限制并发数
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for _, website := range websites {
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for _, urlInfo := range website.URLs {
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wg.Add(1)
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go func(w models.Website, u models.URLInfo) {
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defer wg.Done()
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semaphore <- struct{}{}
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defer func() { <-semaphore }()
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s.checkURL(w, u)
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}(website, urlInfo)
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}
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}
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wg.Wait()
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// 保存记录
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s.storage.SaveAll()
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}
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// checkURL 检查单个URL
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func (s *MonitorService) checkURL(website models.Website, urlInfo models.URLInfo) {
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result := s.httpClient.CheckWebsite(urlInfo.URL)
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record := models.MonitorRecord{
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WebsiteID: website.ID,
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URLID: urlInfo.ID,
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URL: urlInfo.URL,
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StatusCode: result.StatusCode,
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Latency: result.Latency.Milliseconds(),
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IsUp: result.Error == nil && utils.IsSuccessStatus(result.StatusCode),
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CheckedAt: time.Now(),
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}
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if result.Error != nil {
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record.Error = result.Error.Error()
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}
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s.storage.AddRecord(record)
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// 更新网站信息（标题和Favicon）
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if result.Title != "" || result.Favicon != "" {
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w := s.storage.GetWebsite(website.ID)
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if w != nil {
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needUpdate := false
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if result.Title != "" && w.Title != result.Title {
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w.Title = result.Title
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needUpdate = true
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}
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if result.Favicon != "" && w.Favicon != result.Favicon {
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w.Favicon = result.Favicon
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needUpdate = true
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}
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if needUpdate {
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w.UpdatedAt = time.Now()
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s.storage.UpdateWebsite(*w)
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}
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}
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}
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log.Printf("检测 [%s] %s - 状态码: %d, 延迟: %dms, 可用: %v",
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website.Name, urlInfo.URL, result.StatusCode, result.Latency.Milliseconds(), record.IsUp)
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}
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// CheckWebsiteNow 立即检查指定网站
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func (s *MonitorService) CheckWebsiteNow(websiteID string) {
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website := s.storage.GetWebsite(websiteID)
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if website == nil {
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return
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}
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for _, urlInfo := range website.URLs {
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go s.checkURL(*website, urlInfo)
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}
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}
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// GetWebsiteStatus 获取网站状态
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func (s *MonitorService) GetWebsiteStatus(websiteID string) *models.WebsiteStatus {
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website := s.storage.GetWebsite(websiteID)
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if website == nil {
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return nil
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}
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status := &models.WebsiteStatus{
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Website: *website,
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URLStatuses: []models.URLStatus{},
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}
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now := time.Now()
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since24h := now.Add(-24 * time.Hour)
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since7d := now.Add(-7 * 24 * time.Hour)
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var totalUptime24h, totalUptime7d float64
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var urlCount int
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for _, urlInfo := range website.URLs {
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urlStatus := s.getURLStatus(website.ID, urlInfo, since24h, since7d)
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status.URLStatuses = append(status.URLStatuses, urlStatus)
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totalUptime24h += urlStatus.Uptime24h
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totalUptime7d += urlStatus.Uptime7d
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urlCount++
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}
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if urlCount > 0 {
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status.Uptime24h = totalUptime24h / float64(urlCount)
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status.Uptime7d = totalUptime7d / float64(urlCount)
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}
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// 获取最后检测时间
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for _, urlStatus := range status.URLStatuses {
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if urlStatus.CurrentState.CheckedAt.After(status.LastChecked) {
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status.LastChecked = urlStatus.CurrentState.CheckedAt
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}
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}
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return status
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}
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// getURLStatus 获取URL状态
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func (s *MonitorService) getURLStatus(websiteID string, urlInfo models.URLInfo, since24h, since7d time.Time) models.URLStatus {
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urlStatus := models.URLStatus{
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URLInfo: urlInfo,
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}
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// 获取最新记录
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latest := s.storage.GetLatestRecord(websiteID, urlInfo.ID)
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if latest != nil {
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urlStatus.CurrentState = *latest
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}
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// 获取24小时记录
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records24h := s.storage.GetRecords(websiteID, urlInfo.ID, since24h)
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urlStatus.History24h = records24h
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// 计算24小时可用率
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if len(records24h) > 0 {
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upCount := 0
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var totalLatency int64
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for _, r := range records24h {
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if r.IsUp {
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upCount++
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}
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totalLatency += r.Latency
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}
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urlStatus.Uptime24h = float64(upCount) / float64(len(records24h)) * 100
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urlStatus.AvgLatency = totalLatency / int64(len(records24h))
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}
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// 获取7天记录并按小时统计
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records7d := s.storage.GetRecords(websiteID, urlInfo.ID, since7d)
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urlStatus.History7d = s.aggregateByHour(records7d)
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// 计算7天可用率
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if len(records7d) > 0 {
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upCount := 0
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for _, r := range records7d {
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if r.IsUp {
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upCount++
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}
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}
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urlStatus.Uptime7d = float64(upCount) / float64(len(records7d)) * 100
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}
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return urlStatus
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}
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// aggregateByHour 按小时聚合记录
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func (s *MonitorService) aggregateByHour(records []models.MonitorRecord) []models.HourlyStats {
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hourlyMap := make(map[string]*models.HourlyStats)
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for _, r := range records {
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hourKey := r.CheckedAt.Truncate(time.Hour).Format(time.RFC3339)
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if _, exists := hourlyMap[hourKey]; !exists {
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hourlyMap[hourKey] = &models.HourlyStats{
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Hour: r.CheckedAt.Truncate(time.Hour),
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}
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}
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stats := hourlyMap[hourKey]
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stats.TotalCount++
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if r.IsUp {
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stats.UpCount++
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}
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stats.AvgLatency += r.Latency
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}
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var result []models.HourlyStats
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for _, stats := range hourlyMap {
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if stats.TotalCount > 0 {
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stats.AvgLatency /= int64(stats.TotalCount)
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stats.Uptime = float64(stats.UpCount) / float64(stats.TotalCount) * 100
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}
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result = append(result, *stats)
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}
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return result
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}
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// GetAllWebsiteStatuses 获取所有网站状态
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func (s *MonitorService) GetAllWebsiteStatuses() []models.WebsiteStatus {
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websites := s.storage.GetWebsites()
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var statuses []models.WebsiteStatus
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for _, website := range websites {
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status := s.GetWebsiteStatus(website.ID)
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if status != nil {
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statuses = append(statuses, *status)
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}
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}
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return statuses
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}
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package services
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import (
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"log"
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"sort"
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"sync"
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"time"
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"mengyaping-backend/config"
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"mengyaping-backend/models"
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"mengyaping-backend/storage"
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"mengyaping-backend/utils"
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)
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// MonitorService 监控服务
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type MonitorService struct {
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httpClient *utils.HTTPClient
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storage *storage.Storage
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stopCh chan struct{}
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running bool
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mu sync.Mutex
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}
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var (
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monitorService *MonitorService
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monitorOnce sync.Once
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)
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// GetMonitorService 获取监控服务单例
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func GetMonitorService() *MonitorService {
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monitorOnce.Do(func() {
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cfg := config.GetConfig()
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monitorService = &MonitorService{
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httpClient: utils.NewHTTPClient(cfg.Monitor.Timeout),
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storage: storage.GetStorage(),
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stopCh: make(chan struct{}),
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}
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})
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return monitorService
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}
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// Start 启动监控服务
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func (s *MonitorService) Start() {
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s.mu.Lock()
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if s.running {
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s.mu.Unlock()
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return
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}
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s.running = true
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s.mu.Unlock()
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log.Println("监控服务已启动")
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// 立即执行一次检测
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go s.checkAll()
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// 定时检测
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cfg := config.GetConfig()
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ticker := time.NewTicker(cfg.Monitor.Interval)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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go s.checkAll()
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case <-s.stopCh:
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log.Println("监控服务已停止")
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return
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}
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}
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}
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// Stop 停止监控服务
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func (s *MonitorService) Stop() {
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.running {
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close(s.stopCh)
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s.running = false
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}
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}
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// checkAll 检查所有网站（错峰执行，避免并发暴涨）
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func (s *MonitorService) checkAll() {
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websites := s.storage.GetWebsites()
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semaphore := make(chan struct{}, 3) // 最多 3 个并发检测
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for i, website := range websites {
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// 每个网站之间间隔 1 秒，把检测分散开
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if i > 0 {
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time.Sleep(1 * time.Second)
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}
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var wg sync.WaitGroup
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for _, urlInfo := range website.URLs {
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wg.Add(1)
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go func(w models.Website, u models.URLInfo) {
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defer wg.Done()
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semaphore <- struct{}{}
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defer func() { <-semaphore }()
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s.checkURL(w, u)
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}(website, urlInfo)
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}
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wg.Wait()
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}
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// 检测完毕后，逐个解析 DNS
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s.resolveAllWebsiteIPs(websites)
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// 保存记录
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s.storage.SaveAll()
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log.Printf("本轮检测完成，共 %d 个网站", len(websites))
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}
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// resolveAllWebsiteIPs 逐个解析所有网站域名 IP（每次都刷新）
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func (s *MonitorService) resolveAllWebsiteIPs(websites []models.Website) {
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for i, website := range websites {
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if len(website.URLs) == 0 {
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continue
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}
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if i > 0 {
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time.Sleep(500 * time.Millisecond)
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}
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s.resolveWebsiteIP(website)
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}
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}
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// resolveWebsiteIP 解析单个网站的域名 IP
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func (s *MonitorService) resolveWebsiteIP(website models.Website) {
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if len(website.URLs) == 0 {
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return
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}
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ips, err := utils.ResolveDomainIPs(website.URLs[0].URL)
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if err != nil {
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log.Printf("DNS解析失败 [%s]: %v", website.Name, err)
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return
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}
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if len(ips) == 0 {
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return
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}
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w := s.storage.GetWebsite(website.ID)
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if w == nil {
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return
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}
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w.IPAddresses = ips
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w.UpdatedAt = time.Now()
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s.storage.UpdateWebsite(*w)
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log.Printf("DNS解析 [%s] → %v", website.Name, ips)
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}
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// checkURL 检查单个URL（带重试）
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func (s *MonitorService) checkURL(website models.Website, urlInfo models.URLInfo) {
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cfg := config.GetConfig()
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maxRetries := cfg.Monitor.RetryCount
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var result utils.CheckResult
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for attempt := 0; attempt <= maxRetries; attempt++ {
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if attempt > 0 {
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time.Sleep(time.Duration(attempt) * 2 * time.Second)
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log.Printf("重试 [%s] %s - 第 %d 次重试", website.Name, urlInfo.URL, attempt)
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}
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result = s.httpClient.CheckWebsiteStatus(urlInfo.URL)
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if result.Error == nil && utils.IsSuccessStatus(result.StatusCode) {
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break
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}
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}
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record := models.MonitorRecord{
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WebsiteID: website.ID,
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URLID: urlInfo.ID,
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URL: urlInfo.URL,
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StatusCode: result.StatusCode,
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Latency: result.Latency.Milliseconds(),
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IsUp: result.Error == nil && utils.IsSuccessStatus(result.StatusCode),
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CheckedAt: time.Now(),
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}
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if result.Error != nil {
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record.Error = result.Error.Error()
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}
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s.storage.AddRecord(record)
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// 仅当网站无标题时才做完整检测来获取元数据
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if record.IsUp && website.Title == "" {
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fullResult := s.httpClient.CheckWebsite(urlInfo.URL)
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if fullResult.Title != "" {
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w := s.storage.GetWebsite(website.ID)
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if w != nil {
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w.Title = fullResult.Title
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w.UpdatedAt = time.Now()
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s.storage.UpdateWebsite(*w)
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}
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}
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}
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log.Printf("检测 [%s] %s - 状态码: %d, 延迟: %dms, 可用: %v",
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website.Name, urlInfo.URL, result.StatusCode, result.Latency.Milliseconds(), record.IsUp)
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}
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// CheckWebsiteNow 立即检查指定网站（状态 + DNS，等待完成后保存）
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func (s *MonitorService) CheckWebsiteNow(websiteID string) {
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website := s.storage.GetWebsite(websiteID)
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if website == nil {
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return
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}
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||||
// 逐个检测该网站的所有 URL
|
||||
for _, urlInfo := range website.URLs {
|
||||
s.checkURL(*website, urlInfo)
|
||||
}
|
||||
|
||||
// 刷新 DNS
|
||||
s.resolveWebsiteIP(*website)
|
||||
|
||||
s.storage.SaveAll()
|
||||
}
|
||||
|
||||
// GetWebsiteStatus 获取网站状态
|
||||
func (s *MonitorService) GetWebsiteStatus(websiteID string) *models.WebsiteStatus {
|
||||
website := s.storage.GetWebsite(websiteID)
|
||||
if website == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
status := &models.WebsiteStatus{
|
||||
Website: *website,
|
||||
URLStatuses: []models.URLStatus{},
|
||||
}
|
||||
|
||||
now := time.Now()
|
||||
since24h := now.Add(-24 * time.Hour)
|
||||
since7d := now.Add(-7 * 24 * time.Hour)
|
||||
since90d := now.Add(-90 * 24 * time.Hour)
|
||||
|
||||
var totalUptime24h, totalUptime7d float64
|
||||
var urlCount int
|
||||
var allRecords90d []models.MonitorRecord
|
||||
|
||||
for _, urlInfo := range website.URLs {
|
||||
urlStatus := s.getURLStatus(website.ID, urlInfo, since24h, since7d)
|
||||
status.URLStatuses = append(status.URLStatuses, urlStatus)
|
||||
|
||||
totalUptime24h += urlStatus.Uptime24h
|
||||
totalUptime7d += urlStatus.Uptime7d
|
||||
urlCount++
|
||||
|
||||
records90d := s.storage.GetRecords(website.ID, urlInfo.ID, since90d)
|
||||
allRecords90d = append(allRecords90d, records90d...)
|
||||
}
|
||||
|
||||
if urlCount > 0 {
|
||||
status.Uptime24h = totalUptime24h / float64(urlCount)
|
||||
status.Uptime7d = totalUptime7d / float64(urlCount)
|
||||
}
|
||||
|
||||
// 90 天逐日统计
|
||||
status.DailyHistory = s.aggregateByDay(allRecords90d)
|
||||
if len(allRecords90d) > 0 {
|
||||
upCount := 0
|
||||
for _, r := range allRecords90d {
|
||||
if r.IsUp {
|
||||
upCount++
|
||||
}
|
||||
}
|
||||
status.Uptime90d = float64(upCount) / float64(len(allRecords90d)) * 100
|
||||
}
|
||||
|
||||
// 获取最后检测时间
|
||||
for _, urlStatus := range status.URLStatuses {
|
||||
if urlStatus.CurrentState.CheckedAt.After(status.LastChecked) {
|
||||
status.LastChecked = urlStatus.CurrentState.CheckedAt
|
||||
}
|
||||
}
|
||||
|
||||
return status
|
||||
}
|
||||
|
||||
// getURLStatus 获取URL状态
|
||||
func (s *MonitorService) getURLStatus(websiteID string, urlInfo models.URLInfo, since24h, since7d time.Time) models.URLStatus {
|
||||
urlStatus := models.URLStatus{
|
||||
URLInfo: urlInfo,
|
||||
}
|
||||
|
||||
// 获取最新记录
|
||||
latest := s.storage.GetLatestRecord(websiteID, urlInfo.ID)
|
||||
if latest != nil {
|
||||
urlStatus.CurrentState = *latest
|
||||
}
|
||||
|
||||
// 获取24小时记录
|
||||
records24h := s.storage.GetRecords(websiteID, urlInfo.ID, since24h)
|
||||
urlStatus.History24h = records24h
|
||||
|
||||
// 计算24小时可用率
|
||||
if len(records24h) > 0 {
|
||||
upCount := 0
|
||||
var totalLatency int64
|
||||
for _, r := range records24h {
|
||||
if r.IsUp {
|
||||
upCount++
|
||||
}
|
||||
totalLatency += r.Latency
|
||||
}
|
||||
urlStatus.Uptime24h = float64(upCount) / float64(len(records24h)) * 100
|
||||
urlStatus.AvgLatency = totalLatency / int64(len(records24h))
|
||||
}
|
||||
|
||||
// 获取7天记录并按小时统计
|
||||
records7d := s.storage.GetRecords(websiteID, urlInfo.ID, since7d)
|
||||
urlStatus.History7d = s.aggregateByHour(records7d)
|
||||
|
||||
// 计算7天可用率
|
||||
if len(records7d) > 0 {
|
||||
upCount := 0
|
||||
for _, r := range records7d {
|
||||
if r.IsUp {
|
||||
upCount++
|
||||
}
|
||||
}
|
||||
urlStatus.Uptime7d = float64(upCount) / float64(len(records7d)) * 100
|
||||
}
|
||||
|
||||
return urlStatus
|
||||
}
|
||||
|
||||
// aggregateByHour 按小时聚合记录
|
||||
func (s *MonitorService) aggregateByHour(records []models.MonitorRecord) []models.HourlyStats {
|
||||
hourlyMap := make(map[string]*models.HourlyStats)
|
||||
|
||||
for _, r := range records {
|
||||
hourKey := r.CheckedAt.Truncate(time.Hour).Format(time.RFC3339)
|
||||
|
||||
if _, exists := hourlyMap[hourKey]; !exists {
|
||||
hourlyMap[hourKey] = &models.HourlyStats{
|
||||
Hour: r.CheckedAt.Truncate(time.Hour),
|
||||
}
|
||||
}
|
||||
|
||||
stats := hourlyMap[hourKey]
|
||||
stats.TotalCount++
|
||||
if r.IsUp {
|
||||
stats.UpCount++
|
||||
}
|
||||
stats.AvgLatency += r.Latency
|
||||
}
|
||||
|
||||
var result []models.HourlyStats
|
||||
for _, stats := range hourlyMap {
|
||||
if stats.TotalCount > 0 {
|
||||
stats.AvgLatency /= int64(stats.TotalCount)
|
||||
stats.Uptime = float64(stats.UpCount) / float64(stats.TotalCount) * 100
|
||||
}
|
||||
result = append(result, *stats)
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
// aggregateByDay 按天聚合记录
|
||||
func (s *MonitorService) aggregateByDay(records []models.MonitorRecord) []models.DailyStats {
|
||||
dayMap := make(map[string]*models.DailyStats)
|
||||
|
||||
for _, r := range records {
|
||||
dayTime := time.Date(r.CheckedAt.Year(), r.CheckedAt.Month(), r.CheckedAt.Day(), 0, 0, 0, 0, r.CheckedAt.Location())
|
||||
dayKey := dayTime.Format("2006-01-02")
|
||||
|
||||
if _, exists := dayMap[dayKey]; !exists {
|
||||
dayMap[dayKey] = &models.DailyStats{
|
||||
Date: dayTime,
|
||||
}
|
||||
}
|
||||
|
||||
stats := dayMap[dayKey]
|
||||
stats.TotalCount++
|
||||
if r.IsUp {
|
||||
stats.UpCount++
|
||||
}
|
||||
stats.AvgLatency += r.Latency
|
||||
}
|
||||
|
||||
result := make([]models.DailyStats, 0, len(dayMap))
|
||||
for _, stats := range dayMap {
|
||||
if stats.TotalCount > 0 {
|
||||
stats.AvgLatency /= int64(stats.TotalCount)
|
||||
stats.Uptime = float64(stats.UpCount) / float64(stats.TotalCount) * 100
|
||||
}
|
||||
result = append(result, *stats)
|
||||
}
|
||||
|
||||
sort.Slice(result, func(i, j int) bool {
|
||||
return result[i].Date.Before(result[j].Date)
|
||||
})
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
// GetAllWebsiteStatuses 获取所有网站状态
|
||||
func (s *MonitorService) GetAllWebsiteStatuses() []models.WebsiteStatus {
|
||||
websites := s.storage.GetWebsites()
|
||||
var statuses []models.WebsiteStatus
|
||||
|
||||
for _, website := range websites {
|
||||
status := s.GetWebsiteStatus(website.ID)
|
||||
if status != nil {
|
||||
statuses = append(statuses, *status)
|
||||
}
|
||||
}
|
||||
|
||||
return statuses
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user