fear: Implement 'mc support top net' (#17598)

internal/net/net.go

@@ -0,0 +1,35 @@
+// Copyright (c) 2015-2023 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package net
+
+import (
+	"github.com/prometheus/procfs"
+)
+
+// GetInterfaceNetStats - get procfs.NetDevLine by interfaceName
+func GetInterfaceNetStats(interf string) (procfs.NetDevLine, error) {
+	proc, err := procfs.Self()
+	if err != nil {
+		return procfs.NetDevLine{}, err
+	}
+	netDev, err := proc.NetDev()
+	if err != nil {
+		return procfs.NetDevLine{}, err
+	}
+	return netDev[interf], nil
+}