102 lines
1.7 KiB
Go
102 lines
1.7 KiB
Go
package global
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import (
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"log"
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"os"
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"path/filepath"
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"github.com/fsnotify/fsnotify"
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"github.com/yaoapp/kun/exception"
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)
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var watchDone = []chan bool{}
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var watchOp = map[fsnotify.Op]string{
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fsnotify.Create: "create",
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fsnotify.Write: "write",
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fsnotify.Remove: "remove",
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fsnotify.Rename: "rename",
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fsnotify.Chmod: "chmod",
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}
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// Watch 监听目录
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func Watch(root string, cb func(op string, file string)) {
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watcher, err := fsnotify.NewWatcher()
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if err != nil {
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log.Fatal(err)
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}
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defer watcher.Close()
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watchDone = append(watchDone, make(chan bool))
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last := len(watchDone) - 1
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go func() {
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for {
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select {
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case event, ok := <-watcher.Events:
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if !ok {
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return
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}
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// 监听子目录
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if event.Op == fsnotify.Create {
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file, err := os.Open(event.Name)
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if err == nil {
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fi, err := file.Stat()
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file.Close()
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if err == nil && fi.IsDir() {
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Watch(event.Name, cb)
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}
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}
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}
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cb(watchOp[event.Op], event.Name)
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case err, ok := <-watcher.Errors:
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if !ok {
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return
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}
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log.Println("error:", err)
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}
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}
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}()
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err = watcher.Add(root)
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if err != nil {
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log.Fatal(err)
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}
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log.Println("开始监听目录:", root)
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// 监听子目录
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filepath.Walk(root, func(subfolder string, info os.FileInfo, err error) error {
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if err != nil {
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exception.Err(err, 500).Throw()
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return err
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}
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if subfolder == root {
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return nil
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}
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if info.IsDir() {
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go Watch(subfolder, cb)
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}
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return nil
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})
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select {
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case v := <-watchDone[last]:
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log.Println("停止监听目录:", root)
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if v == true {
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break
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}
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}
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}
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// StopWatch 停止监听
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func StopWatch() {
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for i := range watchDone {
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log.Println("发送停止信号:", i)
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watchDone[i] <- true
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}
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watchDone = []chan bool{}
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}
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