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// +build windows
// Copyright 2012 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.
package helper
import (
"fmt"
"os"
"path/filepath"
"golang.org/x/sys/windows/svc/eventlog"
"golang.org/x/sys/windows/svc/mgr"
)
func exePath() (string, error) {
prog := os.Args[0]
p, err := filepath.Abs(prog)
if err != nil {
return "", err
}
fi, err := os.Stat(p)
if err == nil {
if !fi.Mode().IsDir() {
return p, nil
}
err = fmt.Errorf("%s is directory", p)
}
if filepath.Ext(p) == "" {
p += ".exe"
fi, err := os.Stat(p)
if err == nil {
if !fi.Mode().IsDir() {
return p, nil
}
err = fmt.Errorf("%s is directory", p)
}
}
return "", err
}
func installService(name, desc string) error {
exepath, err := exePath()
if err != nil {
return err
}
m, err := mgr.Connect()
if err != nil {
return err
}
defer m.Disconnect()
s, err := m.OpenService(name)
if err == nil {
s.Close()
return fmt.Errorf("service %s already exists", name)
}
s, err = m.CreateService(name, exepath, mgr.Config{DisplayName: desc}, "is", "auto-started")
if err != nil {
return err
}
defer s.Close()
err = eventlog.InstallAsEventCreate(name, eventlog.Error|eventlog.Warning|eventlog.Info)
if err != nil {
s.Delete()
return fmt.Errorf("SetupEventLogSource() failed: %s", err)
}
return nil
}
func removeService(name string) error {
m, err := mgr.Connect()
if err != nil {
return err
}
defer m.Disconnect()
s, err := m.OpenService(name)
if err != nil {
return fmt.Errorf("service %s is not installed", name)
}
defer s.Close()
err = s.Delete()
if err != nil {
return err
}
err = eventlog.Remove(name)
if err != nil {
return fmt.Errorf("RemoveEventLogSource() failed: %s", err)
}
return nil
}
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