2020-06-23 22:09:39 +08:00

125 lines
3.1 KiB
Go

// Copyright 2017-2020 The ShadowEditor Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
//
// For more information, please visit: https://github.com/tengge1/ShadowEditor
// You can also visit: https://gitee.com/tengge1/ShadowEditor
// Reference URL: https://github.com/andrewkroh/sys/blob/master/windows/svc/example/service.go
// +build windows
package win
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/tengge1/shadoweditor/cmd"
"golang.org/x/sys/windows/svc"
"golang.org/x/sys/windows/svc/debug"
"golang.org/x/sys/windows/svc/eventlog"
)
const (
// ServiceName is the default service name on Windows.
ServiceName = "ShadowEditor"
// ServiceDisplayName is the name show in the Service Manager.
ServiceDisplayName = "Shadow Editor"
)
var elog debug.Log
func init() {
cmd.ShouldRunService = shouldRunService
}
// shouldRunService determines if this is running as a service.
func shouldRunService() bool {
isIntSess, err := svc.IsAnInteractiveSession()
if err != nil {
fmt.Printf("failed to determine if we are running in an interactive session: %v\n", err)
return false
}
if !isIntSess {
runService(ServiceName, false)
return true
}
return false
}
// Service is the ShadowEditor service model.
type Service struct{}
// Execute execute the ShadowEditor service.
func (m *Service) Execute(args []string, r <-chan svc.ChangeRequest, changes chan<- svc.Status) (ssec bool, errno uint32) {
const cmdsAccepted = svc.AcceptStop | svc.AcceptShutdown | svc.AcceptPauseAndContinue
changes <- svc.Status{State: svc.StartPending}
elog.Info(1, "start RunServe")
if err := os.Chdir(filepath.Dir(os.Args[0])); err != nil {
elog.Error(1, err.Error())
changes <- svc.Status{State: svc.StopPending}
return
}
// cmd.SetCfgFile(filepath.Join(filepath.Dir(os.Args[0]), "config.toml"))
go func() {
if err := cmd.RunServe(); err != nil {
// something wrong occurs, write to the system logs.
elog.Error(1, err.Error())
changes <- svc.Status{State: svc.StopPending}
return
}
}()
elog.Info(1, "RunServe started")
changes <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
loop:
for {
select {
case c := <-r:
switch c.Cmd {
case svc.Interrogate:
elog.Info(1, "Interrogate")
changes <- c.CurrentStatus
// Testing deadlock from https://code.google.com/p/winsvc/issues/detail?id=4
time.Sleep(100 * time.Millisecond)
changes <- c.CurrentStatus
case svc.Stop, svc.Shutdown:
elog.Info(1, "Stop")
break loop
default:
elog.Error(1, fmt.Sprintf("unexpected control request #%d", c))
}
}
}
changes <- svc.Status{State: svc.StopPending}
return
}
func runService(name string, isDebug bool) {
var err error
if isDebug {
elog = debug.New(name)
} else {
elog, err = eventlog.Open(name)
if err != nil {
return
}
}
defer elog.Close()
elog.Info(1, fmt.Sprintf("starting %s service", name))
run := svc.Run
if isDebug {
run = debug.Run
}
err = run(name, &Service{})
if err != nil {
elog.Error(1, fmt.Sprintf("%s service failed: %v", name, err))
return
}
elog.Info(1, fmt.Sprintf("%s service stopped", name))
}