feat: add statictics

statistics/main.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+)
+
+type ChannelItem struct {
+	tag       string
+	upBytes   uint64
+	downBytes uint64
+}
+
+type DurationChannelItems struct {
+	durationTag    string
+	channelItemMap map[string]ChannelItem
+}
+
+var durationChannelItemsMap = map[string]DurationChannelItems{}
+var durationChannelItemsMapLock = sync.RWMutex{}
+
+type CountItem struct {
+	tag       string
+	timestamp uint64
+	upBytes   uint64
+	downBytes uint64
+}
+
+var countItemChan = make(chan CountItem)
+
+// var countItemChan = make(ChannelItem, 0)
+
+func main() {
+
+}
+
+func collectCountItem() {
+	for {
+		countItem := <-countItemChan
+		// TODO ...
+		fmt.Printf("%v\n", countItem)
+	}
+}