117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
// +build windows
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package net
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import (
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"errors"
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"net"
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"os"
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"syscall"
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"unsafe"
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"github.com/shirou/gopsutil/internal/common"
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)
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var (
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modiphlpapi = syscall.NewLazyDLL("iphlpapi.dll")
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procGetExtendedTCPTable = modiphlpapi.NewProc("GetExtendedTcpTable")
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procGetExtendedUDPTable = modiphlpapi.NewProc("GetExtendedUdpTable")
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)
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const (
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TCPTableBasicListener = iota
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TCPTableBasicConnections
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TCPTableBasicAll
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TCPTableOwnerPIDListener
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TCPTableOwnerPIDConnections
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TCPTableOwnerPIDAll
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TCPTableOwnerModuleListener
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TCPTableOwnerModuleConnections
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TCPTableOwnerModuleAll
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)
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func IOCounters(pernic bool) ([]IOCountersStat, error) {
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ifs, 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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ai, err := getAdapterList()
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if err != nil {
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return nil, err
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}
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var ret []IOCountersStat
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for _, ifi := range ifs {
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name := ifi.Name
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for ; ai != nil; ai = ai.Next {
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name = common.BytePtrToString(&ai.Description[0])
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c := IOCountersStat{
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Name: name,
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}
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row := syscall.MibIfRow{Index: ai.Index}
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e := syscall.GetIfEntry(&row)
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if e != nil {
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return nil, os.NewSyscallError("GetIfEntry", e)
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}
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c.BytesSent = uint64(row.OutOctets)
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c.BytesRecv = uint64(row.InOctets)
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c.PacketsSent = uint64(row.OutUcastPkts)
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c.PacketsRecv = uint64(row.InUcastPkts)
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c.Errin = uint64(row.InErrors)
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c.Errout = uint64(row.OutErrors)
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c.Dropin = uint64(row.InDiscards)
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c.Dropout = uint64(row.OutDiscards)
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ret = append(ret, c)
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}
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}
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if pernic == false {
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return getIOCountersAll(ret)
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}
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return ret, nil
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}
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// NetIOCountersByFile is an method which is added just a compatibility for linux.
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func IOCountersByFile(pernic bool, filename string) ([]IOCountersStat, error) {
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return IOCounters(pernic)
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}
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// Return a list of network connections opened by a process
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func Connections(kind string) ([]ConnectionStat, error) {
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var ret []ConnectionStat
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return ret, common.ErrNotImplementedError
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}
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// borrowed from src/pkg/net/interface_windows.go
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func getAdapterList() (*syscall.IpAdapterInfo, error) {
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b := make([]byte, 1000)
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l := uint32(len(b))
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a := (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
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err := syscall.GetAdaptersInfo(a, &l)
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if err == syscall.ERROR_BUFFER_OVERFLOW {
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b = make([]byte, l)
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a = (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
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err = syscall.GetAdaptersInfo(a, &l)
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}
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if err != nil {
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return nil, os.NewSyscallError("GetAdaptersInfo", err)
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}
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return a, nil
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}
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func FilterCounters() ([]FilterStat, error) {
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return nil, errors.New("NetFilterCounters not implemented for windows")
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}
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// NetProtoCounters returns network statistics for the entire system
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// If protocols is empty then all protocols are returned, otherwise
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// just the protocols in the list are returned.
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// Not Implemented for Windows
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func ProtoCounters(protocols []string) ([]ProtoCountersStat, error) {
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return nil, errors.New("NetProtoCounters not implemented for windows")
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}
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