func buildMsg(path string, msg *router.Message) {
if fi, err := os.Stat(path); err == nil {
msg.Size = fi.Size()
if t, ok := fi.Sys().(*syscall.Stat_t); ok {
msg.Inode = t.Ino
msg.AccessTime = time.Unix(t.Atim.Unix()).Format(TimeFormat)
msg.ChangeTime = time.Unix(t.Ctim.Unix()).Format(TimeFormat)
msg.ModifyTime = time.Unix(t.Mtim.Unix()).Format(TimeFormat)
} else {
logging.Debug("Can't get %v details by syscall", path)
}
}
}
// Stop watching a path
func (man *Watchman) ForgetPath(path string) error {
if _, ok := man.paths[path]; !ok {
return nil
}
if len(path) > 1 && strings.HasSuffix(path, "/") {
path = strings.TrimRight(path, "/")
}
m := router.Message{
Event: 0x0,
FileName: "-" + path,
}
err := man.client.Write(router.SYS_ID, m.String())
if err != nil {
return err
}
man.client.Unsubscribe(path)
delete(man.paths, path)
return nil
}
// Add a file path to watch list, specify the events as you need
func (man *Watchman) WatchPath(path string, events uint32) error {
if _, ok := man.paths[path]; ok {
man.paths[path] = events
return nil
}
if len(path) > 1 && strings.HasSuffix(path, "/") {
path = strings.TrimRight(path, "/")
}
m := router.Message{
Event: 0x0,
FileName: "+" + path,
}
err := man.client.Write(router.SYS_ID, m.String())
if err != nil {
return err
}
man.client.Subscribe(path)
man.paths[path] = events
return nil
}
// The event operation is:
//{
// "Mask":0,
// "Name":"FAIL:/path/to/file" or "Name":"SUCCESS:/path/to/file"
//}
func (em *Distributer) Eject(env *inotify.Event, t time.Time) {
var m router.Message
if env.Mask == 0x0 {
m = router.Message{
Event: 0x0,
FileName: env.Name,
}
} else {
m = router.Message{
Event: env.Mask,
FileName: env.Name,
}
buildMsg(env.Name, &m)
}
to_list := pool.triggerPaths(env.Name)
for _, to := range to_list {
if em.passby(env, t) {
em.Write(to, m.String())
}
}
}
