增加获取网络流量的功能

cmd/server.go

@@ -75,6 +75,7 @@ func NewStartCmd() *cobra.Command {
 			for {
 				select {
 				case <-statTicker.C:
+					monitor.TrackNetworkSpeed()
 					stat := monitor.GetState(node.NodeName).ToByte()
 					go func() {
 						_ = generateAndSendData(ap, stat)

internal/monitor/monitor.go

@@ -28,6 +28,9 @@ var (
 		"apfs", "ext4", "ext3", "ext2", "f2fs", "reiserfs", "jfs", "btrfs",
 		"fuseblk", "zfs", "simfs", "ntfs", "fat32", "exfat", "xfs", "fuse.rclone",
 	}
+	excludeNetInterfaces = []string{
+		"lo", "tun", "docker", "veth", "br-", "vmbr", "vnet", "kube",
+	}
 	getMacDiskNo = regexp.MustCompile(`\/dev\/disk(\d)s.*`)
 	Version      string
 )
@@ -46,8 +49,8 @@ func GetHost() *model.Node {
 		cpuModelCount[ci[i].ModelName]++
 	}
 	var cpus []string
-	for model, count := range cpuModelCount {
-		cpus = append(cpus, fmt.Sprintf("%s %d %s Core", model, count, cpuType))
+	for mod, count := range cpuModelCount {
+		cpus = append(cpus, fmt.Sprintf("%s %d %s Core", mod, count, cpuType))
 	}
 	mv, _ := mem.VirtualMemory()
 	diskTotal, _ := getDiskTotalAndUsed()
@@ -208,3 +211,26 @@ func isListContainsStr(list []string, str string) bool {
 	}
 	return false
 }
+
+func TrackNetworkSpeed() {
+	var innerNetInTransfer, innerNetOutTransfer uint64
+	nc, err := net.IOCounters(true)
+	if err == nil {
+		for _, v := range nc {
+			if isListContainsStr(excludeNetInterfaces, v.Name) {
+				continue
+			}
+			innerNetInTransfer += v.BytesRecv
+			innerNetOutTransfer += v.BytesSent
+		}
+		now := uint64(time.Now().Unix())
+		diff := now - lastUpdateNetStats
+		if diff > 0 {
+			netInSpeed = (innerNetInTransfer - netInTransfer) / diff
+			netOutSpeed = (innerNetOutTransfer - netOutTransfer) / diff
+		}
+		netInTransfer = innerNetInTransfer
+		netOutTransfer = innerNetOutTransfer
+		lastUpdateNetStats = now
+	}
+}