99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
// +build windows
|
|
|
|
package net
|
|
|
|
import (
|
|
"net"
|
|
"os"
|
|
"syscall"
|
|
"unsafe"
|
|
|
|
common "github.com/shirou/gopsutil/common"
|
|
)
|
|
|
|
var (
|
|
modiphlpapi = syscall.NewLazyDLL("iphlpapi.dll")
|
|
procGetExtendedTcpTable = modiphlpapi.NewProc("GetExtendedTcpTable")
|
|
procGetExtendedUdpTable = modiphlpapi.NewProc("GetExtendedUdpTable")
|
|
)
|
|
|
|
const (
|
|
TCPTableBasicListener = iota
|
|
TCPTableBasicConnections
|
|
TCPTableBasicAll
|
|
TCPTableOwnerPIDListener
|
|
TCPTableOwnerPIDConnections
|
|
TCPTableOwnerPIDAll
|
|
TCPTableOwnerModuleListener
|
|
TCPTableOwnerModuleConnections
|
|
TCPTableOwnerModuleAll
|
|
)
|
|
|
|
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
|
|
ifs, err := net.Interfaces()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ai, err := getAdapterList()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var ret []NetIOCountersStat
|
|
|
|
for _, ifi := range ifs {
|
|
name := ifi.Name
|
|
for ; ai != nil; ai = ai.Next {
|
|
name = common.BytePtrToString(&ai.Description[0])
|
|
c := NetIOCountersStat{
|
|
Name: name,
|
|
}
|
|
|
|
row := syscall.MibIfRow{Index: ai.Index}
|
|
e := syscall.GetIfEntry(&row)
|
|
if e != nil {
|
|
return nil, os.NewSyscallError("GetIfEntry", e)
|
|
}
|
|
c.BytesSent = uint64(row.OutOctets)
|
|
c.BytesRecv = uint64(row.InOctets)
|
|
c.PacketsSent = uint64(row.OutUcastPkts)
|
|
c.PacketsRecv = uint64(row.InUcastPkts)
|
|
c.Errin = uint64(row.InErrors)
|
|
c.Errout = uint64(row.OutErrors)
|
|
c.Dropin = uint64(row.InDiscards)
|
|
c.Dropout = uint64(row.OutDiscards)
|
|
|
|
ret = append(ret, c)
|
|
}
|
|
}
|
|
|
|
if pernic == false {
|
|
return getNetIOCountersAll(ret)
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
// Return a list of network connections opened by a process
|
|
func NetConnections(kind string) ([]NetConnectionStat, error) {
|
|
var ret []NetConnectionStat
|
|
|
|
return ret, common.NotImplementedError
|
|
}
|
|
|
|
// borrowed from src/pkg/net/interface_windows.go
|
|
func getAdapterList() (*syscall.IpAdapterInfo, error) {
|
|
b := make([]byte, 1000)
|
|
l := uint32(len(b))
|
|
a := (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
|
|
err := syscall.GetAdaptersInfo(a, &l)
|
|
if err == syscall.ERROR_BUFFER_OVERFLOW {
|
|
b = make([]byte, l)
|
|
a = (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
|
|
err = syscall.GetAdaptersInfo(a, &l)
|
|
}
|
|
if err != nil {
|
|
return nil, os.NewSyscallError("GetAdaptersInfo", err)
|
|
}
|
|
return a, nil
|
|
}
|