实现基础的统计指标

internal/metrics/stat.go

@@ -0,0 +1,22 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package metrics
+
+import (
+	"github.com/cespare/xxhash"
+	"strconv"
+)
+
+type Stat struct {
+	ServerId int64
+	Keys     []string
+	Hash     string
+	Value    int64
+	Time     string
+
+	keysData []byte
+}
+
+func (this *Stat) Sum(version int, itemId int64) {
+	this.Hash = strconv.FormatUint(xxhash.Sum64String(strconv.FormatInt(this.ServerId, 10)+"@"+string(this.keysData)+"@"+this.Time+"@"+strconv.Itoa(version)+"@"+strconv.FormatInt(itemId, 10)), 10)
+}