From 91f5d232a915d5852519f91ee8aaec78afecc475 Mon Sep 17 00:00:00 2001
From: Yun <yun@yun.ink>
Date: Mon, 4 May 2026 00:17:15 +0800
Subject: [PATCH] commit

---
 go.mod      |   7 ++
 go.sum      |   4 +
 tmp/aaa.txt |   0
 watchx.go   | 214 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 225 insertions(+)
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 tmp/aaa.txt
 create mode 100644 watchx.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..010f5f9
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,7 @@
+module code.yun.ink/pkg/watchx
+
+go 1.20
+
+require github.com/fsnotify/fsnotify v1.7.0
+
+require golang.org/x/sys v0.4.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..ccd7ce9
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
+golang.org/x/sys v0.4.0 h1:Zr2JFtRQNX3BCZ8YtxRE9hNJYC8J6I1MVbMg6owUp18=
+golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/tmp/aaa.txt b/tmp/aaa.txt
new file mode 100644
index 0000000..e69de29
diff --git a/watchx.go b/watchx.go
new file mode 100644
index 0000000..63fa4f0
--- /dev/null
+++ b/watchx.go
@@ -0,0 +1,214 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"sync"
+
+	// "log"
+	"os"
+	"path/filepath"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+type Watch struct {
+	ctx   context.Context
+	watch *fsnotify.Watcher
+	mutex sync.Mutex  // 保护watch状态的互斥锁
+	data  chan Action // 文件列表
+}
+
+type Action struct {
+	Path   string // 文件路径
+	Action string //
+}
+
+func NewWatch(ctx context.Context) (*Watch, error) {
+	watch, err := fsnotify.NewWatcher()
+	if err != nil {
+		return nil, err
+	}
+	return &Watch{
+		ctx:   ctx,
+		watch: watch,
+		data:  make(chan Action), // 初始化文件列表
+	}, nil
+}
+
+// 添加路径到监控中候，需要加锁
+func (w *Watch) addPath(path string, isDir bool) error {
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
+	if isDir {
+		fmt.Println("文件夹：", path)
+	} else {
+		fmt.Println("文件：", path)
+	}
+
+	err := w.watch.Add(path)
+	if err != nil {
+		fmt.Printf("Error adding path %q: %v\n", path, err)
+		return err
+	}
+
+	return nil
+}
+
+// 处理文件系统事件
+func (w *Watch) handleEvent(ev fsnotify.Event) error {
+	fmt.Println("event:", ev)
+
+	if ev.Op&fsnotify.Create == fsnotify.Create {
+		fmt.Println("创建文件：", ev.Name)
+		w.addPath(ev.Name, false)
+		w.data <- ev.Name
+	}
+
+	if ev.Op&fsnotify.Write == fsnotify.Write {
+		fmt.Println("写入文件：", ev.Name)
+	}
+
+	if ev.Op&fsnotify.Remove == fsnotify.Remove {
+		fmt.Println("删除文件：", ev.Name)
+		w.watch.Remove(ev.Name)
+	}
+
+	if ev.Op&fsnotify.Rename == fsnotify.Rename {
+		fmt.Println("重命名:", ev.Name)
+	}
+
+	if ev.Op&fsnotify.Chmod == fsnotify.Chmod {
+		fmt.Println("修改权限：", ev.Name)
+	}
+
+	return nil
+}
+
+func (w *Watch) watchDir(dir string) error {
+	err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			fmt.Printf("Error accessing path %q: %v\n", path, err)
+			return err
+		}
+		if info.IsDir() {
+			return w.addPath(path, true)
+		} else {
+			return w.addPath(path, false)
+		}
+	})
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		defer w.watch.Close() // 确保Watcher在退出时被关闭
+
+		for {
+			select {
+			case ev := <-w.watch.Events:
+				w.handleEvent(ev)
+			case err := <-w.watch.Errors:
+				fmt.Printf("error: %v\n", err)
+			case <-w.ctx.Done(): // 接收到停止信号，退出goroutine
+				return
+			}
+		}
+	}()
+
+	return nil
+}
+
+// 监控目录
+func (w *Watch) watchDir2(dir string) error {
+	// 通过Walk来遍历目录下的所有子目录
+	filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			fmt.Printf("Error accessing path %q: %v\n", path, err)
+			return err
+		}
+		// 这里判断是否为目录，只需监控目录即可
+		// 目录下的文件也在监控范围内，不需要我们一个一个加
+		if info.IsDir() {
+			path, err := filepath.Abs(path)
+			if err != nil {
+				panic(err)
+			}
+			err = w.watch.Add(path)
+			if err != nil {
+				return err
+			}
+			fmt.Println("文件夹：", path)
+		} else {
+			err = w.watch.Add(path)
+			if err != nil {
+				return err
+			}
+			fmt.Println("文件：", path)
+		}
+		return nil
+	})
+	go func() {
+		for {
+			select {
+			case ev := <-w.watch.Events:
+				{
+
+					fmt.Printf("ev %+v \n", ev)
+
+					if ev.Op&fsnotify.Create == fsnotify.Create {
+						fmt.Println("创建文件：", ev.Name)
+						// 这里获取新创建文件的信息，如果是目录，则加入监控中
+						fi, err := os.Stat(ev.Name)
+						if err == nil && fi.IsDir() {
+							w.watch.Add(ev.Name)
+							fmt.Println("添加监控：", ev.Name)
+						}
+					}
+					if ev.Op&fsnotify.Write == fsnotify.Write {
+						// 修改文件
+						fmt.Println("写入文件：", ev.Name)
+					}
+					if ev.Op&fsnotify.Remove == fsnotify.Remove {
+						fmt.Println("删除文件：", ev.Name)
+						// 如果删除文件是目录，则移除监控
+						// 注意这里无法使用os.Stat来判断是否是目录了
+						// 因为重命名后，go已经无法找到原文件来获取信息了
+						// 所以这里就简单粗暴的直接remove好了
+						w.watch.Remove(ev.Name)
+					}
+					if ev.Op&fsnotify.Rename == fsnotify.Rename {
+						fmt.Println("重命名:", ev.Name)
+					}
+					if ev.Op&fsnotify.Chmod == fsnotify.Chmod {
+						fmt.Println("修改权限：", ev.Name)
+					}
+				}
+			case err := <-w.watch.Errors:
+				{
+					fmt.Println("error:", err)
+					return
+				}
+			}
+		}
+	}()
+}
+
+func main() {
+
+	w, err := NewWatch()
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	dirToWatch := "/log"
+	err = w.watchDir(dirToWatch)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	// 创建一个监控对象
+	select {}
+}