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types.go
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types.go
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// Copyright 2019-2023 The Inspektor Gadget authors
//
// 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 types
import (
"fmt"
"syscall"
"github.com/docker/go-units"
"github.com/inspektor-gadget/inspektor-gadget/pkg/columns"
eventtypes "github.com/inspektor-gadget/inspektor-gadget/pkg/types"
)
var SortByDefault = []string{"-sent", "-recv"}
const (
PidParam = "pid"
FamilyParam = "family"
)
func ParseFilterByFamily(family string) (int32, error) {
switch family {
case "4":
return syscall.AF_INET, nil
case "6":
return syscall.AF_INET6, nil
default:
return -1, fmt.Errorf("IP version is either 4 or 6, %s was given", family)
}
}
// Stats represents the operations performed on a single file
type Stats struct {
eventtypes.CommonData
eventtypes.WithMountNsID
Pid int32 `json:"pid,omitempty" column:"pid,template:pid"`
Comm string `json:"comm,omitempty" column:"comm,template:comm"`
IPVersion int `json:"ipversion,omitempty" column:"ip,template:ipversion"`
SrcEndpoint eventtypes.L4Endpoint `json:"src,omitempty" column:"src"`
DstEndpoint eventtypes.L4Endpoint `json:"dst,omitempty" column:"dst"`
Sent uint64 `json:"sent,omitempty" column:"sent,order:1002"`
Received uint64 `json:"received,omitempty" column:"recv,order:1003"`
}
func (e *Stats) GetEndpoints() []*eventtypes.L3Endpoint {
return []*eventtypes.L3Endpoint{&e.SrcEndpoint.L3Endpoint, &e.DstEndpoint.L3Endpoint}
}
func GetColumns() *columns.Columns[Stats] {
cols := columns.MustCreateColumns[Stats]()
cols.MustSetExtractor("sent", func(stats *Stats) any {
return fmt.Sprint(units.BytesSize(float64(stats.Sent)))
})
cols.MustSetExtractor("recv", func(stats *Stats) any {
return fmt.Sprint(units.BytesSize(float64(stats.Received)))
})
eventtypes.MustAddVirtualL4EndpointColumn(
cols,
columns.Attributes{
Name: "src",
Visible: true,
Template: "ipaddrport",
Order: 1000,
},
func(s *Stats) eventtypes.L4Endpoint { return s.SrcEndpoint },
)
eventtypes.MustAddVirtualL4EndpointColumn(
cols,
columns.Attributes{
Name: "dst",
Visible: true,
Template: "ipaddrport",
Order: 1001,
},
func(s *Stats) eventtypes.L4Endpoint { return s.DstEndpoint },
)
return cols
}