first commit

internal/stats/stats.go

@@ -0,0 +1,57 @@
+package stats
+
+import "sync"
+
+type SpotStats struct {
+	mu        sync.RWMutex
+	Received  int64
+	Processed int64
+	Rejected  int64
+}
+
+var Global = &SpotStats{}
+
+func (s *SpotStats) IncrReceived() {
+	s.mu.Lock()
+	s.Received++
+	s.mu.Unlock()
+}
+
+func (s *SpotStats) IncrProcessed() {
+	s.mu.Lock()
+	s.Processed++
+	s.mu.Unlock()
+}
+
+func (s *SpotStats) IncrRejected() {
+	s.mu.Lock()
+	s.Rejected++
+	s.mu.Unlock()
+}
+
+func (s *SpotStats) Get() (received, processed, rejected int64) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	return s.Received, s.Processed, s.Rejected
+}
+
+func (s *SpotStats) SuccessRate() float64 {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	if s.Received == 0 {
+		return 0.0
+	}
+	return float64(s.Processed) / float64(s.Received) * 100.0
+}
+
+// Snapshot retourne un map JSON-friendly pour le frontend
+func (s *SpotStats) Snapshot() map[string]interface{} {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	return map[string]interface{}{
+		"received":    s.Received,
+		"processed":   s.Processed,
+		"rejected":    s.Rejected,
+		"successRate": s.SuccessRate(),
+	}
+}