Vendor psutils and remove neko

plugins/system/ps/net/net_windows.go

@@ -0,0 +1,98 @@
+// +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
+}