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path: root/src/pkg/net/interface_windows.go
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Diffstat (limited to 'src/pkg/net/interface_windows.go')
-rw-r--r--src/pkg/net/interface_windows.go152
1 files changed, 0 insertions, 152 deletions
diff --git a/src/pkg/net/interface_windows.go b/src/pkg/net/interface_windows.go
deleted file mode 100644
index 198e4096f..000000000
--- a/src/pkg/net/interface_windows.go
+++ /dev/null
@@ -1,152 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Network interface identification for Windows
-
-package net
-
-import (
- "os"
- "syscall"
- "unsafe"
-)
-
-func bytePtrToString(p *uint8) string {
- a := (*[10000]uint8)(unsafe.Pointer(p))
- i := 0
- for a[i] != 0 {
- i++
- }
- return string(a[:i])
-}
-
-func getAdapterList() (*syscall.IpAdapterInfo, os.Error) {
- b := make([]byte, 1000)
- l := uint32(len(b))
- a := (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
- e := syscall.GetAdaptersInfo(a, &l)
- if e == syscall.ERROR_BUFFER_OVERFLOW {
- b = make([]byte, l)
- a = (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
- e = syscall.GetAdaptersInfo(a, &l)
- }
- if e != 0 {
- return nil, os.NewSyscallError("GetAdaptersInfo", e)
- }
- return a, nil
-}
-
-func getInterfaceList() ([]syscall.InterfaceInfo, os.Error) {
- s, e := syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_UDP)
- if e != 0 {
- return nil, os.NewSyscallError("Socket", e)
- }
- defer syscall.Closesocket(s)
-
- ii := [20]syscall.InterfaceInfo{}
- ret := uint32(0)
- size := uint32(unsafe.Sizeof(ii))
- e = syscall.WSAIoctl(s, syscall.SIO_GET_INTERFACE_LIST, nil, 0, (*byte)(unsafe.Pointer(&ii[0])), size, &ret, nil, 0)
- if e != 0 {
- return nil, os.NewSyscallError("WSAIoctl", e)
- }
- c := ret / uint32(unsafe.Sizeof(ii[0]))
- return ii[:c-1], nil
-}
-
-
-// If the ifindex is zero, interfaceTable returns mappings of all
-// network interfaces. Otheriwse it returns a mapping of a specific
-// interface.
-func interfaceTable(ifindex int) ([]Interface, os.Error) {
- ai, e := getAdapterList()
- if e != nil {
- return nil, e
- }
-
- ii, e := getInterfaceList()
- if e != nil {
- return nil, e
- }
-
- var ift []Interface
- for ; ai != nil; ai = ai.Next {
- index := ai.Index
- if ifindex == 0 || ifindex == int(index) {
- var flags Flags
-
- row := syscall.MibIfRow{Index: index}
- e := syscall.GetIfEntry(&row)
- if e != 0 {
- return nil, os.NewSyscallError("GetIfEntry", e)
- }
-
- for _, ii := range ii {
- ip := (*syscall.RawSockaddrInet4)(unsafe.Pointer(&ii.Address)).Addr
- ipv4 := IPv4(ip[0], ip[1], ip[2], ip[3])
- ipl := &ai.IpAddressList
- for ipl != nil {
- ips := bytePtrToString(&ipl.IpAddress.String[0])
- if ipv4.Equal(parseIPv4(ips)) {
- break
- }
- ipl = ipl.Next
- }
- if ipl == nil {
- continue
- }
- if ii.Flags&syscall.IFF_UP != 0 {
- flags |= FlagUp
- }
- if ii.Flags&syscall.IFF_LOOPBACK != 0 {
- flags |= FlagLoopback
- }
- if ii.Flags&syscall.IFF_BROADCAST != 0 {
- flags |= FlagBroadcast
- }
- if ii.Flags&syscall.IFF_POINTTOPOINT != 0 {
- flags |= FlagPointToPoint
- }
- if ii.Flags&syscall.IFF_MULTICAST != 0 {
- flags |= FlagMulticast
- }
- }
-
- name := bytePtrToString(&ai.AdapterName[0])
-
- ifi := Interface{
- Index: int(index),
- MTU: int(row.Mtu),
- Name: name,
- HardwareAddr: HardwareAddr(row.PhysAddr[:row.PhysAddrLen]),
- Flags: flags}
- ift = append(ift, ifi)
- }
- }
- return ift, nil
-}
-
-// If the ifindex is zero, interfaceAddrTable returns addresses
-// for all network interfaces. Otherwise it returns addresses
-// for a specific interface.
-func interfaceAddrTable(ifindex int) ([]Addr, os.Error) {
- ai, e := getAdapterList()
- if e != nil {
- return nil, e
- }
-
- var ifat []Addr
- for ; ai != nil; ai = ai.Next {
- index := ai.Index
- if ifindex == 0 || ifindex == int(index) {
- ipl := &ai.IpAddressList
- for ; ipl != nil; ipl = ipl.Next {
- ifa := IPAddr{}
- ifa.IP = parseIPv4(bytePtrToString(&ipl.IpAddress.String[0]))
- ifat = append(ifat, ifa.toAddr())
- }
- }
- }
- return ifat, nil
-}