添加ip审计功能

server/pkg/utils/unsafe.go

@@ -0,0 +1,20 @@
+package utils
+
+import (
+	"unsafe"
+)
+
+// BytesToString converts byte slice to string.
+func BytesToString(b []byte) string {
+	return *(*string)(unsafe.Pointer(&b))
+}
+
+// StringToBytes converts string to byte slice.
+func StringToBytes(s string) []byte {
+	return *(*[]byte)(unsafe.Pointer(
+		&struct {
+			string
+			Cap int
+		}{s, len(s)},
+	))
+}

server/pkg/utils/util.go

@@ -3,11 +3,30 @@ package utils
 import (
 	"fmt"
 	"math/rand"
+	"sync/atomic"
 	"time"
 )
 
+var (
+	// 每秒时间缓存
+	timeNowSec = &atomic.Value{}
+)
+
 func init() {
 	rand.Seed(time.Now().UnixNano())
+
+	timeNowSec.Store(time.Now())
+	go func() {
+		tick := time.NewTicker(time.Second * 1)
+		for c := range tick.C {
+			timeNowSec.Store(c)
+		}
+	}()
+}
+
+func NowSec() time.Time {
+	t := timeNowSec.Load()
+	return t.(time.Time)
 }
 
 func InArrStr(arr []string, str string) bool {