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76 lines
1.3 KiB
76 lines
1.3 KiB
// Copyright 2015 Daniel Theophanes.
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// Use of this source code is governed by a zlib-style
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// license that can be found in the LICENSE file.package service
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//+build windows
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package minwinsvc
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import (
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"os"
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"strconv"
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"sync"
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"golang.org/x/sys/windows/svc"
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)
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var (
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onExit func()
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guard sync.Mutex
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skip, _ = strconv.ParseBool(os.Getenv("SKIP_MINWINSVC"))
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isSSH = os.Getenv("SSH_ORIGINAL_COMMAND") != ""
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)
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func init() {
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if skip || isSSH {
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return
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}
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interactive, err := svc.IsAnInteractiveSession()
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if err != nil {
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panic(err)
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}
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if interactive {
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return
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}
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go func() {
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_ = svc.Run("", runner{})
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guard.Lock()
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f := onExit
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guard.Unlock()
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// Don't hold this lock in user code.
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if f != nil {
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f()
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}
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// Make sure we exit.
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os.Exit(0)
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}()
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}
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func setOnExit(f func()) {
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guard.Lock()
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onExit = f
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guard.Unlock()
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}
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type runner struct{}
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func (runner) Execute(args []string, r <-chan svc.ChangeRequest, changes chan<- svc.Status) (bool, uint32) {
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const cmdsAccepted = svc.AcceptStop | svc.AcceptShutdown
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changes <- svc.Status{State: svc.StartPending}
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changes <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
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for {
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c := <-r
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switch c.Cmd {
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case svc.Interrogate:
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changes <- c.CurrentStatus
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case svc.Stop, svc.Shutdown:
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changes <- svc.Status{State: svc.StopPending}
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return false, 0
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}
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}
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return false, 0
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}
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