3x-ui/util/metrics/metrics.go

package metrics

// Note: Prometheus metrics are placeholders
// Requires: github.com/prometheus/client_golang/prometheus
// Run: go get github.com/prometheus/client_golang/prometheus

// Placeholder metrics - will be replaced with actual Prometheus metrics
// when github.com/prometheus/client_golang/prometheus is available

var (
	// HTTP metrics - placeholders
	HTTPRequestsTotal interface{}

	HTTPRequestDuration interface{}

	// Rate limiting metrics
	RateLimitHits interface{}

	// Traffic metrics
	TrafficBytes interface{}

	// Client metrics
	ActiveClients interface{}

	ClientConnections interface{}

	// System metrics
	SystemCPUUsage interface{}

	SystemMemoryUsage interface{}

	// Security metrics
	FailedLoginAttempts interface{}

	BlockedIPs interface{}

	// LDAP metrics
	LDAPSyncDuration interface{}

	LDAPSyncErrors interface{}

	// Quota metrics
	QuotaUsage interface{}
)

// MetricPlaceholder is a placeholder for metrics
type MetricPlaceholder struct{}

// WithLabelValues is a placeholder for metrics with labels
func (m *MetricPlaceholder) WithLabelValues(...string) *MetricPlaceholder {
	return m
}

// Inc increments a counter
func (m *MetricPlaceholder) Inc() {}

// Set sets a gauge value
func (m *MetricPlaceholder) Set(float64) {}