Golang Dir.Int64方法代碼示例

// Print d in DB format
func DbFmt(d zx.Dir) string {
	var b bytes.Buffer

	fmt.Fprintf(&b, "%-14s", d["path"])
	typ := d["type"]
	if typ == "" {
		fmt.Fprintf(&b, " -")
	} else {
		fmt.Fprintf(&b, " %s", typ)
	}
	if d["rm"] != "" {
		fmt.Fprintf(&b, " GONE")
	} else {
		fmt.Fprintf(&b, " 0%o", d.Mode())
	}
	uid := nouid(d["Uid"])
	gid := nouid(d["Gid"])
	wuid := nouid(d["Wuid"])
	fmt.Fprintf(&b, " %-8s %-8s %-8s", uid, gid, wuid)
	fmt.Fprintf(&b, " %8d", d.Int64("size"))
	if d["type"] != "d" {
		fmt.Fprintf(&b, " %d", d.Uint64("mtime"))
	}
	if d["err"] != "" {
		fmt.Fprintf(&b, " %s", d["err"])
	}
	return b.String()
}

// NB: Attributes that the user can't set are always ignored.
// If the user has no permissioin to set an attribute, that's an error.
// Setting an attribute to an empty string removes it.
// Uid, Gid, and Wuid can't be removed.
// Meta locking done by caller, might lock data on truncations
func (f *mFile) wstat(d zx.Dir) error {
	if len(d) == 0 {
		return nil
	}
	d = d.Dup()
	sum := ""
	if f.d["type"] != "d" {
		if _, ok := d["size"]; ok {
			sz := d.Int64("size")
			if sz < 0 {
				sz = 0
			}
			f.data.Truncate(sz)
			d["size"] = strconv.FormatInt(sz, 10)
			if DoSum {
				sum = f.data.Sum()
			}
		}
	} else {
		delete(d, "size")
	}
	if _, ok := d["mode"]; ok {
		mode := d.Int("mode")&0777
		d["mode"] = "0" + strconv.FormatInt(int64(mode), 8)
	}
	if _, ok := d["mtime"]; ok {
		d.SetTime("mtime", d.Time("mtime"))
	}
	if sum != "" {
		f.d["Sum"] = sum
	}
	ud := d.UsrAttrs()
	if d["Wuid"] != "" {
		ud["Wuid"] = d["Wuid"]
	}
	for k, v := range ud {
		if v == "" {
			delete(f.d, k)
		} else {
			f.d[k] = v
		}
	}
	return nil
}

func dataChanged(d0, d1 zx.Dir) bool {
	return d0["type"] != d1["type"] ||
		d0.Int64("size") != d1.Int64("size") ||
	  	d0.Int64("mtime") != d1.Int64("mtime") ||
		d0["Sum"] != "" && d1["Sum"] != "" && d0["Sum"] != d1["Sum"]
}

func (t *Fs) put(rid string, d zx.Dir, off int64, dc <-chan []byte, pred string) (zx.Dir, int64, int64, error) {
	noinherit := false
	if m := d["Mode"]; m != "" {
		d["mode"] = m
		delete(d, "Mode")
		noinherit = true
	}
	var pf *mFile
	f, left, err := t.walk(rid, &pf)
	if err != nil && !dbg.IsNotExist(err) || len(left) > 1|| d["mode"] == "" && err != nil {
		return nil, 0, 0, err
	}
	pmode := uint64(0755)
	if pf != nil {
		pf.mlk.Lock()
		pmode = pf.d.Mode()
		pf.mlk.Unlock()
	}
	app := false
	f.mlk.Lock()
	if err == nil && f.d["type"] == "d" || d["type"] == "d" {
		err = fmt.Errorf("%s: %s", f, dbg.ErrIsDir)
		f.mlk.Unlock()
		return nil, 0, 0, err
	}
	if !t.noPerms() && !f.d.CanWrite(t.ai) {
		err = fmt.Errorf("%s: %s", f, dbg.ErrPerm)
		f.mlk.Unlock()
		return nil, 0, 0, err
	}
	u := dbg.Usr
	if t.ai != nil {
		u = t.ai.Uid
	}
	if d == nil {
		d = zx.Dir{}
	}
	ai := t.ai
	if t.NoPermCheck {
		ai = nil
	}
	if d["mode"] == "" || err == nil {	// truncate or rewrite
		if err := t.matchDir(rid, f.d, pred); err != nil {
			f.mlk.Unlock()
			return nil, 0, 0, err
		}
		if !t.WstatAll || t.ai != nil {
			if err := f.d.CanWstat(ai, d); err != nil {
				f.mlk.Unlock()
				return nil, 0, 0, err
			}
		}
	} else {
		if err := t.matchDir(rid, nil, pred); err != nil {
			f.mlk.Unlock()
			return nil, 0, 0, err
		}
	}
	if d["mode"] == "" {
		if off < 0 {
			off = 0
			app = true
		}
		if t.WstatAll && t.ai == nil && d["Wuid"] != "" {
			f.d["Wuid"] = d["Wuid"]
		} else {
			f.d["Wuid"] = u
		}
		if d["size"] != "" {
			f.data.Truncate(d.Int64("size"))
			f.d["size"] = strconv.FormatInt(int64(f.data.Len()), 10)
		}
	} else if err == nil {
		// truncate existing file
		if !noinherit && (!t.WstatAll || t.ai != nil) {
			d.Inherit(pmode)
		}
		f.data.Truncate(d.Int64("size"))
		f.d["size"] = strconv.FormatInt(int64(f.data.Len()), 10)
		if t.WstatAll && t.ai == nil && d["Wuid"] != "" {
			f.d["Wuid"] = d["Wuid"]
		} else {
			f.d["Wuid"] = u
		}
	} else {
		// create a new file
		nf := &mFile {
			name: left[0],
			d: zx.Dir{
				"mode": d["mode"],
				"name": left[0],
				"path": rid,
				"spath": rid,
				"tpath": f.d["tpath"],
				"Uid": u,
				"Gid": f.d["Gid"],
				"Wuid": u,
				"type": "-",
				"size": "0",
				"proto": "proc",
//.........這裏部分代碼省略.........