102 lines
2.0 KiB
Go
102 lines
2.0 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"io"
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"log"
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"os"
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"os/exec"
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"sync"
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"time"
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)
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type TaskMan struct {
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lastTaskId int64
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delay int
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cmd *exec.Cmd
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notifier *NetNotifier
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putLock sync.Mutex
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runLock sync.Mutex
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}
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func newTaskMan(delay int, callUrl string) *TaskMan {
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return &TaskMan{
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delay: delay,
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notifier: newNetNotifier(callUrl),
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}
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}
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func (t *TaskMan) Put(cf *changedFile) {
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if t.delay < 1 {
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t.preRun(cf)
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return
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}
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t.putLock.Lock()
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defer t.putLock.Unlock()
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t.lastTaskId = cf.Changed
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go func() {
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<-time.After(time.Millisecond * time.Duration(t.delay))
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if t.lastTaskId > cf.Changed {
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return
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}
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t.preRun(cf)
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}()
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}
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func (t *TaskMan) preRun(cf *changedFile) {
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if t.cmd != nil && t.cmd.Process != nil {
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log.Println("stop old process ")
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if err := t.cmd.Process.Kill(); err != nil {
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log.Println(PreWarn, "stopped err, reason:", err)
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}
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}
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go t.run(cf)
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go t.notifier.Put(cf)
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}
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func (t *TaskMan) run(cf *changedFile) {
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t.runLock.Lock()
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defer t.runLock.Unlock()
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for i := 0; i < len(cfg.Command.Exec); i++ {
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carr := cmdParse2Array(cfg.Command.Exec[i], cf)
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log.Println("EXEC", carr)
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t.cmd = exec.Command(carr[0], carr[1:]...)
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//cmd.SysProcAttr = &syscall.SysProcAttr{CreationFlags: syscall.CREATE_UNICODE_ENVIRONMENT}
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t.cmd.Stdin = os.Stdin
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//cmd.Stdout = os.Stdout
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t.cmd.Stderr = os.Stderr
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t.cmd.Dir = projectFolder
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t.cmd.Env = os.Environ()
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stdout, err := t.cmd.StdoutPipe()
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if err != nil {
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log.Println(PreError, err.Error())
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return
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}
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err = t.cmd.Start()
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if err != nil {
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log.Println(PreError, "run command", carr, "error. ", err)
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}
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reader := bufio.NewReader(stdout)
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for {
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line, err2 := reader.ReadString('\n')
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if err2 != nil || io.EOF == err2 {
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break
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}
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fmt.Print(line)
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}
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err = t.cmd.Wait()
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if err != nil {
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log.Println(PreWarn, "cmd wait err ", err)
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break
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}
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if t.cmd.Process != nil {
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if err = t.cmd.Process.Kill(); err != nil {
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log.Println(PreWarn, "cmd cannot kill, reason:", err)
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}
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}
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}
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log.Println("end ")
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}
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