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main
counter.go
63 строки
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turekt
refactor nftable Object handling (NamedObj type) (#259)
29 июл 2024, 09:43
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29 июл 2024, 09:43
3b92800
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// Copyright 2018 Google LLC. All Rights Reserved. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package nftables import ( "github.com/google/nftables/expr" "github.com/mdlayher/netlink" "golang.org/x/sys/unix" ) type CounterObj struct { Table *Table Name string // e.g. “fwded” Bytes uint64 Packets uint64 } func (c *CounterObj) unmarshal(ad *netlink.AttributeDecoder) error { for ad.Next() { switch ad.Type() { case unix.NFTA_COUNTER_BYTES: c.Bytes = ad.Uint64() case unix.NFTA_COUNTER_PACKETS: c.Packets = ad.Uint64() } } return ad.Err() } func (c *CounterObj) data() expr.Any { return &expr.Counter{ Bytes: c.Bytes, Packets: c.Packets, } } func (c *CounterObj) name() string { return c.Name } func (c *CounterObj) objType() ObjType { return ObjTypeCounter } func (c *CounterObj) table() *Table { return c.Table } func (c *CounterObj) family() TableFamily { return c.Table.Family }