Files
Hightube/backend/internal/monitor/metrics.go
2026-04-09 00:14:57 +08:00

56 lines
1.3 KiB
Go

package monitor
import (
"runtime"
"sync/atomic"
"time"
)
var startedAt = time.Now()
var totalRequests uint64
var totalErrors uint64
type Snapshot struct {
UptimeSeconds int64 `json:"uptime_seconds"`
Goroutines int `json:"goroutines"`
MemoryAllocMB float64 `json:"memory_alloc_mb"`
MemorySysMB float64 `json:"memory_sys_mb"`
CPUCores int `json:"cpu_cores"`
DiskTotalGB float64 `json:"disk_total_gb"`
DiskFreeGB float64 `json:"disk_free_gb"`
RequestsTotal uint64 `json:"requests_total"`
ErrorsTotal uint64 `json:"errors_total"`
}
func IncrementRequestCount() {
atomic.AddUint64(&totalRequests, 1)
}
func IncrementErrorCount() {
atomic.AddUint64(&totalErrors, 1)
}
func GetSnapshot() Snapshot {
var mem runtime.MemStats
runtime.ReadMemStats(&mem)
diskTotal, diskFree := getDiskSpaceGB()
return Snapshot{
UptimeSeconds: int64(time.Since(startedAt).Seconds()),
Goroutines: runtime.NumGoroutine(),
MemoryAllocMB: bytesToMB(mem.Alloc),
MemorySysMB: bytesToMB(mem.Sys),
CPUCores: runtime.NumCPU(),
DiskTotalGB: diskTotal,
DiskFreeGB: diskFree,
RequestsTotal: atomic.LoadUint64(&totalRequests),
ErrorsTotal: atomic.LoadUint64(&totalErrors),
}
}
func bytesToMB(v uint64) float64 {
return float64(v) / 1024.0 / 1024.0
}