Adding upstream version 2.52.6.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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441 changed files with 95392 additions and 0 deletions
262
internal/gopsutil/net/net.go
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262
internal/gopsutil/net/net.go
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package net
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import (
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"context"
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"encoding/json"
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"net"
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"github.com/gofiber/fiber/v2/internal/gopsutil/common"
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)
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var invoke common.Invoker = common.Invoke{}
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type IOCountersStat struct {
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Name string `json:"name"` // interface name
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BytesSent uint64 `json:"bytesSent"` // number of bytes sent
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BytesRecv uint64 `json:"bytesRecv"` // number of bytes received
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PacketsSent uint64 `json:"packetsSent"` // number of packets sent
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PacketsRecv uint64 `json:"packetsRecv"` // number of packets received
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Errin uint64 `json:"errin"` // total number of errors while receiving
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Errout uint64 `json:"errout"` // total number of errors while sending
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Dropin uint64 `json:"dropin"` // total number of incoming packets which were dropped
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Dropout uint64 `json:"dropout"` // total number of outgoing packets which were dropped (always 0 on OSX and BSD)
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Fifoin uint64 `json:"fifoin"` // total number of FIFO buffers errors while receiving
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Fifoout uint64 `json:"fifoout"` // total number of FIFO buffers errors while sending
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}
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// Addr is implemented compatibility to psutil
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type Addr struct {
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IP string `json:"ip"`
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Port uint32 `json:"port"`
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}
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type ConnectionStat struct {
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Fd uint32 `json:"fd"`
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Family uint32 `json:"family"`
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Type uint32 `json:"type"`
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Laddr Addr `json:"localaddr"`
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Raddr Addr `json:"remoteaddr"`
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Status string `json:"status"`
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Uids []int32 `json:"uids"`
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Pid int32 `json:"pid"`
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}
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// System wide stats about different network protocols
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type ProtoCountersStat struct {
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Protocol string `json:"protocol"`
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Stats map[string]int64 `json:"stats"`
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}
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// NetInterfaceAddr is designed for represent interface addresses
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type InterfaceAddr struct {
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Addr string `json:"addr"`
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}
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type InterfaceStat struct {
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Index int `json:"index"`
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MTU int `json:"mtu"` // maximum transmission unit
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Name string `json:"name"` // e.g., "en0", "lo0", "eth0.100"
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HardwareAddr string `json:"hardwareaddr"` // IEEE MAC-48, EUI-48 and EUI-64 form
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Flags []string `json:"flags"` // e.g., FlagUp, FlagLoopback, FlagMulticast
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Addrs []InterfaceAddr `json:"addrs"`
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}
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type FilterStat struct {
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ConnTrackCount int64 `json:"conntrackCount"`
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ConnTrackMax int64 `json:"conntrackMax"`
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}
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// ConntrackStat has conntrack summary info
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type ConntrackStat struct {
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Entries uint32 `json:"entries"` // Number of entries in the conntrack table
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Searched uint32 `json:"searched"` // Number of conntrack table lookups performed
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Found uint32 `json:"found"` // Number of searched entries which were successful
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New uint32 `json:"new"` // Number of entries added which were not expected before
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Invalid uint32 `json:"invalid"` // Number of packets seen which can not be tracked
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Ignore uint32 `json:"ignore"` // Packets seen which are already connected to an entry
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Delete uint32 `json:"delete"` // Number of entries which were removed
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DeleteList uint32 `json:"delete_list"` // Number of entries which were put to dying list
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Insert uint32 `json:"insert"` // Number of entries inserted into the list
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InsertFailed uint32 `json:"insert_failed"` // # insertion attempted but failed (same entry exists)
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Drop uint32 `json:"drop"` // Number of packets dropped due to conntrack failure.
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EarlyDrop uint32 `json:"early_drop"` // Dropped entries to make room for new ones, if maxsize reached
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IcmpError uint32 `json:"icmp_error"` // Subset of invalid. Packets that can't be tracked d/t error
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ExpectNew uint32 `json:"expect_new"` // Entries added after an expectation was already present
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ExpectCreate uint32 `json:"expect_create"` // Expectations added
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ExpectDelete uint32 `json:"expect_delete"` // Expectations deleted
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SearchRestart uint32 `json:"search_restart"` // Conntrack table lookups restarted due to hashtable resizes
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}
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func NewConntrackStat(e, s, f, n, inv, ign, del, dlst, ins, insfail, drop, edrop, ie, en, ec, ed, sr uint32) *ConntrackStat {
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return &ConntrackStat{
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Entries: e,
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Searched: s,
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Found: f,
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New: n,
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Invalid: inv,
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Ignore: ign,
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Delete: del,
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DeleteList: dlst,
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Insert: ins,
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InsertFailed: insfail,
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Drop: drop,
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EarlyDrop: edrop,
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IcmpError: ie,
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ExpectNew: en,
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ExpectCreate: ec,
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ExpectDelete: ed,
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SearchRestart: sr,
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}
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}
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type ConntrackStatList struct {
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items []*ConntrackStat
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}
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func NewConntrackStatList() *ConntrackStatList {
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return &ConntrackStatList{
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items: []*ConntrackStat{},
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}
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}
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func (l *ConntrackStatList) Append(c *ConntrackStat) {
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l.items = append(l.items, c)
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}
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func (l *ConntrackStatList) Items() []ConntrackStat {
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items := make([]ConntrackStat, len(l.items))
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for i, el := range l.items {
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items[i] = *el
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}
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return items
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}
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// Summary returns a single-element list with totals from all list items.
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func (l *ConntrackStatList) Summary() []ConntrackStat {
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summary := NewConntrackStat(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
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for _, cs := range l.items {
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summary.Entries += cs.Entries
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summary.Searched += cs.Searched
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summary.Found += cs.Found
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summary.New += cs.New
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summary.Invalid += cs.Invalid
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summary.Ignore += cs.Ignore
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summary.Delete += cs.Delete
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summary.DeleteList += cs.DeleteList
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summary.Insert += cs.Insert
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summary.InsertFailed += cs.InsertFailed
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summary.Drop += cs.Drop
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summary.EarlyDrop += cs.EarlyDrop
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summary.IcmpError += cs.IcmpError
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summary.ExpectNew += cs.ExpectNew
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summary.ExpectCreate += cs.ExpectCreate
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summary.ExpectDelete += cs.ExpectDelete
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summary.SearchRestart += cs.SearchRestart
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}
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return []ConntrackStat{*summary}
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}
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func (n IOCountersStat) String() string {
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s, _ := json.Marshal(n)
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return string(s)
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}
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func (n ConnectionStat) String() string {
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s, _ := json.Marshal(n)
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return string(s)
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}
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func (n ProtoCountersStat) String() string {
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s, _ := json.Marshal(n)
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return string(s)
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}
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func (a Addr) String() string {
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s, _ := json.Marshal(a)
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return string(s)
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}
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func (n InterfaceStat) String() string {
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s, _ := json.Marshal(n)
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return string(s)
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}
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func (n InterfaceAddr) String() string {
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s, _ := json.Marshal(n)
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return string(s)
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}
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func (n ConntrackStat) String() string {
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s, _ := json.Marshal(n)
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return string(s)
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}
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func Interfaces() ([]InterfaceStat, error) {
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return InterfacesWithContext(context.Background())
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}
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func InterfacesWithContext(ctx context.Context) ([]InterfaceStat, error) {
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is, err := net.Interfaces()
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if err != nil {
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return nil, err
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}
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ret := make([]InterfaceStat, 0, len(is))
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for _, ifi := range is {
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var flags []string
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if ifi.Flags&net.FlagUp != 0 {
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flags = append(flags, "up")
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}
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if ifi.Flags&net.FlagBroadcast != 0 {
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flags = append(flags, "broadcast")
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}
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if ifi.Flags&net.FlagLoopback != 0 {
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flags = append(flags, "loopback")
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}
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if ifi.Flags&net.FlagPointToPoint != 0 {
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flags = append(flags, "pointtopoint")
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}
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if ifi.Flags&net.FlagMulticast != 0 {
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flags = append(flags, "multicast")
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}
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r := InterfaceStat{
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Index: ifi.Index,
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Name: ifi.Name,
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MTU: ifi.MTU,
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HardwareAddr: ifi.HardwareAddr.String(),
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Flags: flags,
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}
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addrs, err := ifi.Addrs()
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if err == nil {
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r.Addrs = make([]InterfaceAddr, 0, len(addrs))
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for _, addr := range addrs {
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r.Addrs = append(r.Addrs, InterfaceAddr{
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Addr: addr.String(),
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})
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}
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}
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ret = append(ret, r)
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}
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return ret, nil
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}
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func getIOCountersAll(n []IOCountersStat) ([]IOCountersStat, error) {
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r := IOCountersStat{
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Name: "all",
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}
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for _, nic := range n {
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r.BytesRecv += nic.BytesRecv
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r.PacketsRecv += nic.PacketsRecv
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r.Errin += nic.Errin
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r.Dropin += nic.Dropin
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r.BytesSent += nic.BytesSent
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r.PacketsSent += nic.PacketsSent
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r.Errout += nic.Errout
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r.Dropout += nic.Dropout
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}
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return []IOCountersStat{r}, nil
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}
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