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@ -1,13 +1,10 @@ |
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package main |
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import ( |
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"bufio" |
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"bytes" |
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"encoding/binary" |
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//"fmt"
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"github.com/fsnotify/fsnotify" |
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"io" |
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"net" |
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"os" |
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"path/filepath" |
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"strings" |
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@ -15,18 +12,17 @@ import ( |
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) |
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const ( |
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SendDur = 2 |
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SleepDur = 86400 |
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SendDur = 1500 // 发送时间间隔毫秒
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SleepDur = 86400000 // 定期器初始睡眠时间
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) |
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var CollectFiles map[string]struct{} |
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var SendTimer *time.Timer |
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var Str bytes.Buffer |
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var Msg *bytes.Buffer |
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var AddDirs []string |
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var OnlyDirs []string |
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var DelDirs []string |
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var Conn net.Conn |
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var LenBuff []byte |
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const ( |
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hrl = ".hrl" |
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@ -40,6 +36,7 @@ const ( |
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git = ".git" |
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lock = ".lock" |
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bea = ".bea" |
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config = ".config" |
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) |
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type Watch struct { |
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@ -49,33 +46,12 @@ type Watch struct { |
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// 收集更改了的文件
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func CollectFile(File string) { |
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ext := filepath.Ext(File) |
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if ext != idea && ext != git && ext != svn && ext != lock && ext != bea && ext != "" && ext != idea && (ext == erl || ext == beam || ext == hrl || ext == ex || ext == dtl || ext == lfe) { |
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if ext != idea && ext != git && ext != svn && ext != lock && ext != bea && ext != "" && ext != idea && (ext == erl || ext == beam || ext == hrl || ext == config || ext == ex || ext == dtl || ext == lfe) { |
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CollectFiles[File] = struct{}{} |
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SendTimer.Reset(time.Second * SendDur) |
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SendTimer.Reset(time.Millisecond * SendDur) |
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} |
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} |
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// 发送文件列表到erl层
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func SendToErl() { |
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// 拼写数据
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for k := range CollectFiles { |
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Str.WriteString(k) |
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Str.WriteString("\r\n") |
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} |
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CollectFiles = map[string]struct{}{} |
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var length = int32(len(Str.Bytes())) |
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//写入消息头
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_ = binary.Write(Msg, binary.BigEndian, length) |
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//写入消息体
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_ = binary.Write(Msg, binary.BigEndian, Str.Bytes()) |
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Conn.Write(Msg.Bytes()) |
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Str.Reset() |
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Msg.Reset() |
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SendTimer.Reset(time.Second * SleepDur) |
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} |
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func isHidden(path string) bool { |
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for i := len(path) - 1; i > 0; i-- { |
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if path[i] != '.' { |
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@ -119,6 +95,18 @@ func isDelDir(dirs []string, curDirs string) bool { |
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return false |
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} |
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// 判断所给路径文件/文件夹是否存在
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func existPath(path string) bool { |
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_, err := os.Stat(path) //os.Stat获取文件信息
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if err != nil { |
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if os.IsNotExist(err) { |
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return false |
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} |
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return true |
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} |
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return true |
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} |
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//监控目录
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func (w *Watch) watchDir(dir string) { |
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//通过Walk来遍历目录下的所有子目录
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@ -129,24 +117,17 @@ func (w *Watch) watchDir(dir string) { |
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if err != nil { |
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return err |
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} |
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if !isHidden(path) { |
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if isOnlyDir(OnlyDirs, path) { |
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if !isDelDir(DelDirs, path) { |
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err = w.watch.Add(path) |
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if err != nil { |
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// fmt.Println("watch err : ", path, err)
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return err |
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} |
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// fmt.Println("watch success : ", path)
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} |
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if !isHidden(path) && isOnlyDir(OnlyDirs, path) && !isDelDir(DelDirs, path) { |
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err = w.watch.Add(path) |
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if err != nil { |
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return err |
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} |
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} |
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} |
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return nil |
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}) |
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for _, v := range AddDirs { |
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if v != "" { |
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if v != "" && existPath(v) { |
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//通过Walk来遍历目录下的所有子目录
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filepath.Walk(v, func(path string, info os.FileInfo, err error) error { |
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//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
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@ -158,10 +139,8 @@ func (w *Watch) watchDir(dir string) { |
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if !isHidden(path) { |
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err = w.watch.Add(path) |
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if err != nil { |
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// fmt.Println("watch AddDirs err : ", err)
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return err |
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} |
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// fmt.Println("watch AddDirs success : ", path)
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} |
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} |
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return nil |
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@ -180,36 +159,29 @@ func (w *Watch) watchDir(dir string) { |
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fi, err := os.Stat(ev.Name) |
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if err == nil && fi.IsDir() { |
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// 新建了文件夹
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// fmt.Println("创建文件夹 : ", ev.Name)
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if !isHidden(ev.Name) { |
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if isOnlyDir(OnlyDirs, ev.Name) { |
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if !isDelDir(DelDirs, ev.Name) { |
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w.watch.Add(ev.Name) |
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// fmt.Println("添加监控 : ", ev.Name)
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} |
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} |
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} |
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} else { |
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// 新建了文件
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CollectFile(ev.Name) |
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// fmt.Println("创建文件 : ", ev.Name)
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} |
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} |
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if ev.Op&fsnotify.Write == fsnotify.Write { |
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CollectFile(ev.Name) |
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// fmt.Println("写入文件 : ", ev.Name)
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} |
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if ev.Op&fsnotify.Remove == fsnotify.Remove { |
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// fmt.Println("删除文件 : ", ev.Name)
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//如果删除文件是目录,则移除监控
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fi, err := os.Stat(ev.Name) |
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if err == nil && fi.IsDir() { |
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w.watch.Remove(ev.Name) |
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// fmt.Println("删除监控 : ", ev.Name)
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} |
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} |
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if ev.Op&fsnotify.Rename == fsnotify.Rename { |
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// fmt.Println("重命名文件 : ", ev.Name)
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//如果重命名文件是目录,则移除监控
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//注意这里无法使用os.Stat来判断是否是目录了
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//因为重命名后,go已经无法找到原文件来获取信息了
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@ -217,12 +189,10 @@ func (w *Watch) watchDir(dir string) { |
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w.watch.Remove(ev.Name) |
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} |
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if ev.Op&fsnotify.Chmod == fsnotify.Chmod { |
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// fmt.Println("修改权限 : ", ev.Name)
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} |
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} |
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case <-w.watch.Errors: |
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{ |
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// fmt.Println("error : ", err)
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return |
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} |
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case <-SendTimer.C: |
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@ -232,82 +202,68 @@ func (w *Watch) watchDir(dir string) { |
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}() |
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} |
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func read(reader *bufio.Reader) ([]byte, error) { |
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// Peek 返回缓存的一个切片,该切片引用缓存中前 n 个字节的数据,
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// 该操作不会将数据读出,只是引用,引用的数据在下一次读取操作之
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// 前是有效的。如果切片长度小于 n,则返回一个错误信息说明原因。
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// 如果 n 大于缓存的总大小,则返回 ErrBufferFull。
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lengthByte, err := reader.Peek(4) |
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if err != nil { |
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return nil, err |
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//********************************************** port start ************************************************************
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func ReadLen() (int32, error) { |
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if _, err := io.ReadFull(os.Stdin, LenBuff); err != nil { |
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return 0, err |
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} |
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//创建 Buffer缓冲器
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lengthBuff := bytes.NewBuffer(lengthByte) |
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var length int32 |
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// 通过Read接口可以将buf中得内容填充到data参数表示的数据结构中
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err = binary.Read(lengthBuff, binary.BigEndian, &length) |
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size := int32(binary.BigEndian.Uint32(LenBuff)) |
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return size, nil |
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} |
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func Read() ([]byte, error) { |
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len, err := ReadLen() |
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if err != nil { |
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return nil, err |
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} else if len == 0 { |
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return []byte{}, nil |
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} |
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// Buffered 返回缓存中未读取的数据的长度
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if int32(reader.Buffered()) < length+4 { |
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return nil, err |
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data := make([]byte, len) |
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size, err := io.ReadFull(os.Stdin, data) |
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return data[:size], err |
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} |
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func Write(data []byte) (int, error) { |
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size := len(data) |
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binary.BigEndian.PutUint32(LenBuff, uint32(size)) |
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if _, err := os.Stdout.Write(LenBuff); err != nil { |
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return 0, err |
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} |
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// 读取消息真正的内容
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pack := make([]byte, int(4+length)) |
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// Read 从 b 中读出数据到 p 中,返回读出的字节数和遇到的错误。
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// 如果缓存不为空,则只能读出缓存中的数据,不会从底层 io.Reader
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// 中提取数据,如果缓存为空,则:
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// 1、len(p) >= 缓存大小,则跳过缓存,直接从底层 io.Reader 中读
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// 出到 p 中。
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// 2、len(p) < 缓存大小,则先将数据从底层 io.Reader 中读取到缓存
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// 中,再从缓存读取到 p 中。
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_, err = reader.Read(pack) |
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if err != nil { |
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return nil, err |
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return os.Stdout.Write(data) |
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} |
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// 发送文件列表到erl层
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func SendToErl() { |
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for k := range CollectFiles { |
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Str.WriteString(k) |
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Str.WriteString("\r\n") |
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} |
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return pack[4:], nil |
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CollectFiles = map[string]struct{}{} |
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Write(Str.Bytes()) |
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Str.Reset() |
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} |
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//********************************************** port end ************************************************************
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func main() { |
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CollectFiles = map[string]struct{}{} |
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SendTimer = time.NewTimer(time.Second * SleepDur) |
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SendTimer = time.NewTimer(time.Millisecond * SleepDur) |
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defer SendTimer.Stop() |
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Addr := "localhost:" + os.Args[2] |
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var err error |
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Conn, err = net.Dial("tcp", Addr) |
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if err != nil { |
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//fmt.Println("IMY****************建立tcp失败 : ", Addr)
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return |
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} |
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// 建立tcp 连接后需要从erlSync 接受监听目录相关配置
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var reader *bufio.Reader |
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reader = bufio.NewReader(Conn) |
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data, err := read(reader) |
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if err == io.EOF { |
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//fmt.Println("IMY****************Tcp 断开链接 : ", Addr)
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LenBuff = make([]byte, 4) |
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Write([]byte("init")) |
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data, err := Read() |
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if err == io.EOF || err != nil { |
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return |
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} |
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if err != nil { |
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//fmt.Println("IMY****************Tcp read err : ", err)
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return |
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} |
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//fmt.Println("IMY****************建立tcp成功 : ", os.Args[0])
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//fmt.Println("IMY****************Tcp read data : ", string(data))
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dirs := strings.Split(string(data), "\r\n") |
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AddDirs = strings.Split(dirs[0], "|") |
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OnlyDirs = strings.Split(dirs[1], "|") |
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DelDirs = strings.Split(dirs[2], "|") |
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Msg = new(bytes.Buffer) |
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watch, _ := fsnotify.NewWatcher() |
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w := Watch{watch: watch} |
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w.watchDir(os.Args[1]) |
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data = make([]byte, 10) |
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_, _ = Conn.Read(data) |
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Conn.Close() |
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// fmt.Println("IMY****************tcp关闭了 : ", os.Args[0])
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w.watchDir("./") |
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Read() |
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} |