/
winipset.go
209 lines (186 loc) · 4.47 KB
/
winipset.go
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package main
import (
"bufio"
"errors"
"fmt"
"io"
"log"
"os/exec"
"regexp"
"strings"
"sync"
"syscall"
)
import (
"github.com/lxn/walk"
. "github.com/lxn/walk/declarative"
"golang.org/x/text/encoding/japanese"
)
var version string
func processLinesShiftJIS(lineProcessor func(string), r io.Reader, wg *sync.WaitGroup) {
decoder := japanese.ShiftJIS.NewDecoder()
scanner := bufio.NewScanner(decoder.Reader(r))
for scanner.Scan() {
line := scanner.Text()
lineProcessor(line)
}
wg.Done()
}
func outputStdout(line string) {
if line != "" {
log.Println("o:", line)
}
}
func outputStderr(line string) {
if line != "" {
log.Println("e:", line)
}
}
func runCommand(stdoutHandler, stderrHandler func(string), name string, arg ...string) (err error) {
cmd := exec.Command(name, arg...)
cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
stdout, err := cmd.StdoutPipe()
if err != nil {
log.Println("StdoutPipe:", err)
return
}
stderr, err := cmd.StderrPipe()
if err != nil {
log.Println("StderrPipe:", err)
return
}
err = cmd.Start()
if err != nil {
log.Println("Start:", err)
return
}
var wg sync.WaitGroup
wg.Add(2)
go processLinesShiftJIS(stdoutHandler, stdout, &wg)
go processLinesShiftJIS(stderrHandler, stderr, &wg)
wg.Wait()
err = cmd.Wait()
if err != nil {
log.Println("Wait:", err)
return
}
return nil
}
var spacesRe = regexp.MustCompile(`\s+`)
func getInterfaces(mw *MyMainWindow) {
log.Printf("インターフェイス一覧を取得します。")
interfaces := []string{}
err := runCommand(func(line string) {
outputStdout(line)
a := spacesRe.Split(strings.TrimSpace(line), 5)
if len(a) == 5 && (a[3] == "connected" || a[3] == "disconnected") {
if strings.Contains(a[4], "Loopback") {
return
}
interfaces = append(interfaces, a[4])
}
}, outputStderr, "netsh", "interface", "ip", "show", "interfaces")
if err != nil {
log.Printf("インターフェイス一覧の取得に失敗しました。")
return
}
mw.interfaces = interfaces
mw.lb.SetModel(mw.interfaces)
mw.lb.SetCurrentIndex(0)
log.Printf("インターフェイス一覧を取得しました。%q", interfaces)
}
func setDhcp(iface string) {
log.Printf("%sをDHCPに設定します。", iface)
err := runCommand(outputStdout, outputStderr, "netsh", "interface", "ip", "set", "address", iface, "dhcp")
if err != nil {
log.Printf("%sをDHCPに設定できませんでした。", iface)
return
}
log.Printf("%sをDHCPに設定しました。", iface)
}
func setStatic(iface, ip string) {
log.Printf("%sを%sに設定します。", iface, ip)
err := runCommand(outputStdout, outputStderr, "netsh", "interface", "ip", "set", "address", iface, "static", ip, "255.255.255.0")
if err != nil {
log.Printf("%sを固定IPに設定できませんでした。", iface)
return
}
log.Printf("%sを%sに設定しました。", iface, ip)
}
type MyMainWindow struct {
*walk.MainWindow
lb *walk.ListBox
cb *walk.ComboBox
interfaces []string
}
func getInterface(mw *MyMainWindow) (string, error) {
idx := mw.lb.CurrentIndex()
if idx < 0 {
return "", errors.New("インターフェイスを選択してください。")
}
return mw.interfaces[mw.lb.CurrentIndex()], nil
}
func main() {
mw := &MyMainWindow{}
ip_addresses := []string{
"192.168.0.1",
"192.168.1.2",
"192.168.3.2",
"192.168.10.2",
}
if err := (MainWindow{
AssignTo: &mw.MainWindow,
Title: "IP設定",
MinSize: Size{600, 400},
Layout: VBox{},
Children: []Widget{
ListBox{
AssignTo: &mw.lb,
Model: mw.interfaces,
},
ComboBox{
AssignTo: &mw.cb,
Editable: true,
Model: ip_addresses,
},
PushButton{
Text: "固定IP設定",
OnClicked: func() {
iface, err := getInterface(mw)
if err != nil {
walk.MsgBox(mw, "エラー", fmt.Sprint(err), walk.MsgBoxIconError)
return
}
go setStatic(iface, mw.cb.Text())
},
},
PushButton{
Text: "DHCP設定",
OnClicked: func() {
iface, err := getInterface(mw)
if err != nil {
walk.MsgBox(mw, "エラー", fmt.Sprint(err), walk.MsgBoxIconError)
return
}
go setDhcp(iface)
},
},
PushButton{
Text: "インターフェイス一覧再取得",
OnClicked: func() {
go getInterfaces(mw)
},
},
},
}.Create()); err != nil {
log.Fatal(err)
}
lv, err := NewLogView(mw)
if err != nil {
log.Fatal(err)
}
log.SetOutput(lv)
log.Println("winipset バージョン", version)
go getInterfaces(mw)
mw.Run()
}