在监控系统运行时上报API连接状况

internal/rpc/call_stat.go

@@ -0,0 +1,66 @@
+// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
+
+package rpc
+
+import (
+	"sync"
+)
+
+type callStatItem struct {
+	ok          bool
+	costSeconds float64
+}
+
+type CallStat struct {
+	size  int
+	items []*callStatItem
+
+	locker sync.Mutex
+}
+
+func NewCallStat(size int) *CallStat {
+	return &CallStat{
+		size: size,
+	}
+}
+
+func (this *CallStat) Add(ok bool, costSeconds float64) {
+	var size = this.size
+	if size <= 0 {
+		size = 10
+	}
+
+	this.locker.Lock()
+	this.items = append(this.items, &callStatItem{
+		ok:          ok,
+		costSeconds: costSeconds,
+	})
+	if len(this.items) > size {
+		this.items = this.items[1:]
+	}
+	this.locker.Unlock()
+}
+
+func (this *CallStat) Sum() (successPercent float64, avgCostSeconds float64) {
+	this.locker.Lock()
+	defer this.locker.Unlock()
+
+	var totalItems = len(this.items)
+	if totalItems == 0 {
+		successPercent = 100
+		return
+	}
+
+	var totalOkItems = 0
+	var totalCostSeconds float64
+	for _, item := range this.items {
+		if item.ok {
+			totalOkItems++
+		}
+		totalCostSeconds += item.costSeconds
+	}
+	successPercent = float64(totalOkItems) * 100 / float64(totalItems)
+	avgCostSeconds = totalCostSeconds / float64(totalItems)
+
+	return
+}