mirror of
https://github.com/astaxie/beego.git
synced 2024-11-22 07:40:54 +00:00
code style simplify
This commit is contained in:
fuxiaohei
parent
007db805be
commit
8683ee7c67
126
cache/file.go
vendored
126
cache/file.go
vendored
@ -60,12 +60,10 @@ func NewFileCache() *FileCache {
|
||||
|
||||
// Start and begin gc for file cache.
|
||||
// the config need to be like {CachePath:"/cache","FileSuffix":".bin","DirectoryLevel":2,"EmbedExpiry":0}
|
||||
func (this *FileCache) StartAndGC(config string) error {
|
||||
func (fc *FileCache) StartAndGC(config string) error {
|
||||
|
||||
var cfg map[string]string
|
||||
json.Unmarshal([]byte(config), &cfg)
|
||||
//fmt.Println(cfg)
|
||||
//fmt.Println(config)
|
||||
if _, ok := cfg["CachePath"]; !ok {
|
||||
cfg["CachePath"] = FileCachePath
|
||||
}
|
||||
@ -78,69 +76,53 @@ func (this *FileCache) StartAndGC(config string) error {
|
||||
if _, ok := cfg["EmbedExpiry"]; !ok {
|
||||
cfg["EmbedExpiry"] = strconv.FormatInt(FileCacheEmbedExpiry, 10)
|
||||
}
|
||||
this.CachePath = cfg["CachePath"]
|
||||
this.FileSuffix = cfg["FileSuffix"]
|
||||
this.DirectoryLevel, _ = strconv.Atoi(cfg["DirectoryLevel"])
|
||||
this.EmbedExpiry, _ = strconv.Atoi(cfg["EmbedExpiry"])
|
||||
fc.CachePath = cfg["CachePath"]
|
||||
fc.FileSuffix = cfg["FileSuffix"]
|
||||
fc.DirectoryLevel, _ = strconv.Atoi(cfg["DirectoryLevel"])
|
||||
fc.EmbedExpiry, _ = strconv.Atoi(cfg["EmbedExpiry"])
|
||||
|
||||
this.Init()
|
||||
fc.Init()
|
||||
return nil
|
||||
}
|
||||
|
||||
// Init will make new dir for file cache if not exist.
|
||||
func (this *FileCache) Init() {
|
||||
func (fc *FileCache) Init() {
|
||||
app := filepath.Dir(os.Args[0])
|
||||
this.CachePath = filepath.Join(app, this.CachePath)
|
||||
ok, err := exists(this.CachePath)
|
||||
if err != nil { // print error
|
||||
//fmt.Println(err)
|
||||
fc.CachePath = filepath.Join(app, fc.CachePath)
|
||||
if ok, _ := exists(fc.CachePath); !ok { // todo : error handle
|
||||
_ = os.MkdirAll(fc.CachePath, os.ModePerm) // todo : error handle
|
||||
}
|
||||
if !ok {
|
||||
if err = os.Mkdir(this.CachePath, os.ModePerm); err != nil {
|
||||
//fmt.Println(err);
|
||||
}
|
||||
}
|
||||
//fmt.Println(this.getCacheFileName("123456"));
|
||||
}
|
||||
|
||||
// get cached file name. it's md5 encoded.
|
||||
func (this *FileCache) getCacheFileName(key string) string {
|
||||
func (fc *FileCache) getCacheFileName(key string) string {
|
||||
m := md5.New()
|
||||
io.WriteString(m, key)
|
||||
keyMd5 := hex.EncodeToString(m.Sum(nil))
|
||||
cachePath := this.CachePath
|
||||
//fmt.Println("cachepath : " , cachePath)
|
||||
//fmt.Println("md5" , keyMd5);
|
||||
switch this.DirectoryLevel {
|
||||
cachePath := fc.CachePath
|
||||
switch fc.DirectoryLevel {
|
||||
case 2:
|
||||
cachePath = filepath.Join(cachePath, keyMd5[0:2], keyMd5[2:4])
|
||||
case 1:
|
||||
cachePath = filepath.Join(cachePath, keyMd5[0:2])
|
||||
}
|
||||
|
||||
ok, err := exists(cachePath)
|
||||
if err != nil {
|
||||
//fmt.Println(err)
|
||||
if ok, _ := exists(cachePath); !ok { // todo : error handle
|
||||
_ = os.MkdirAll(cachePath, os.ModePerm) // todo : error handle
|
||||
}
|
||||
if !ok {
|
||||
if err = os.MkdirAll(cachePath, os.ModePerm); err != nil {
|
||||
//fmt.Println(err);
|
||||
}
|
||||
}
|
||||
return filepath.Join(cachePath, fmt.Sprintf("%s%s", keyMd5, this.FileSuffix))
|
||||
|
||||
return filepath.Join(cachePath, fmt.Sprintf("%s%s", keyMd5, fc.FileSuffix))
|
||||
}
|
||||
|
||||
// Get value from file cache.
|
||||
// if non-exist or expired, return empty string.
|
||||
func (this *FileCache) Get(key string) interface{} {
|
||||
filename := this.getCacheFileName(key)
|
||||
filedata, err := File_get_contents(filename)
|
||||
//fmt.Println("get length:" , len(filedata));
|
||||
func (fc *FileCache) Get(key string) interface{} {
|
||||
fileData, err := File_get_contents(fc.getCacheFileName(key))
|
||||
if err != nil {
|
||||
return ""
|
||||
}
|
||||
var to FileCacheItem
|
||||
Gob_decode(filedata, &to)
|
||||
Gob_decode(fileData, &to)
|
||||
if to.Expired < time.Now().Unix() {
|
||||
return ""
|
||||
}
|
||||
@ -150,29 +132,26 @@ func (this *FileCache) Get(key string) interface{} {
|
||||
// Put value into file cache.
|
||||
// timeout means how long to keep this file, unit of ms.
|
||||
// if timeout equals FileCacheEmbedExpiry(default is 0), cache this item forever.
|
||||
func (this *FileCache) Put(key string, val interface{}, timeout int64) error {
|
||||
func (fc *FileCache) Put(key string, val interface{}, timeout int64) error {
|
||||
gob.Register(val)
|
||||
|
||||
filename := this.getCacheFileName(key)
|
||||
var item FileCacheItem
|
||||
item.Data = val
|
||||
item := FileCacheItem{Data:val}
|
||||
if timeout == FileCacheEmbedExpiry {
|
||||
item.Expired = time.Now().Unix() + (86400 * 365 * 10) // ten years
|
||||
item.Expired = time.Now().Unix()+(86400*365*10) // ten years
|
||||
} else {
|
||||
item.Expired = time.Now().Unix() + timeout
|
||||
item.Expired = time.Now().Unix()+timeout
|
||||
}
|
||||
item.Lastaccess = time.Now().Unix()
|
||||
data, err := Gob_encode(item)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = File_put_contents(filename, data)
|
||||
return err
|
||||
return File_put_contents(fc.getCacheFileName(key), data)
|
||||
}
|
||||
|
||||
// Delete file cache value.
|
||||
func (this *FileCache) Delete(key string) error {
|
||||
filename := this.getCacheFileName(key)
|
||||
func (fc *FileCache) Delete(key string) error {
|
||||
filename := fc.getCacheFileName(key)
|
||||
if ok, _ := exists(filename); ok {
|
||||
return os.Remove(filename)
|
||||
}
|
||||
@ -180,44 +159,41 @@ func (this *FileCache) Delete(key string) error {
|
||||
}
|
||||
|
||||
// Increase cached int value.
|
||||
// this value is saving forever unless Delete.
|
||||
func (this *FileCache) Incr(key string) error {
|
||||
data := this.Get(key)
|
||||
// fc value is saving forever unless Delete.
|
||||
func (fc *FileCache) Incr(key string) error {
|
||||
data := fc.Get(key)
|
||||
var incr int
|
||||
//fmt.Println(reflect.TypeOf(data).Name())
|
||||
if reflect.TypeOf(data).Name() != "int" {
|
||||
incr = 0
|
||||
} else {
|
||||
incr = data.(int) + 1
|
||||
incr = data.(int)+1
|
||||
}
|
||||
this.Put(key, incr, FileCacheEmbedExpiry)
|
||||
fc.Put(key, incr, FileCacheEmbedExpiry)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Decrease cached int value.
|
||||
func (this *FileCache) Decr(key string) error {
|
||||
data := this.Get(key)
|
||||
func (fc *FileCache) Decr(key string) error {
|
||||
data := fc.Get(key)
|
||||
var decr int
|
||||
if reflect.TypeOf(data).Name() != "int" || data.(int)-1 <= 0 {
|
||||
decr = 0
|
||||
} else {
|
||||
decr = data.(int) - 1
|
||||
decr = data.(int)-1
|
||||
}
|
||||
this.Put(key, decr, FileCacheEmbedExpiry)
|
||||
fc.Put(key, decr, FileCacheEmbedExpiry)
|
||||
return nil
|
||||
}
|
||||
|
||||
// Check value is exist.
|
||||
func (this *FileCache) IsExist(key string) bool {
|
||||
filename := this.getCacheFileName(key)
|
||||
ret, _ := exists(filename)
|
||||
func (fc *FileCache) IsExist(key string) bool {
|
||||
ret, _ := exists(fc.getCacheFileName(key))
|
||||
return ret
|
||||
}
|
||||
|
||||
// Clean cached files.
|
||||
// not implemented.
|
||||
func (this *FileCache) ClearAll() error {
|
||||
//this.CachePath
|
||||
func (fc *FileCache) ClearAll() error {
|
||||
return nil
|
||||
}
|
||||
|
||||
@ -235,22 +211,22 @@ func exists(path string) (bool, error) {
|
||||
|
||||
// Get bytes to file.
|
||||
// if non-exist, create this file.
|
||||
func File_get_contents(filename string) ([]byte, error) {
|
||||
f, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE, os.ModePerm)
|
||||
if err != nil {
|
||||
return []byte(""), err
|
||||
func File_get_contents(filename string) (data []byte, e error) {
|
||||
f, e := os.OpenFile(filename, os.O_RDWR|os.O_CREATE, os.ModePerm)
|
||||
if e != nil {
|
||||
return
|
||||
}
|
||||
defer f.Close()
|
||||
stat, err := f.Stat()
|
||||
if err != nil {
|
||||
return []byte(""), err
|
||||
stat, e := f.Stat()
|
||||
if e != nil {
|
||||
return
|
||||
}
|
||||
data := make([]byte, stat.Size())
|
||||
result, err := f.Read(data)
|
||||
if int64(result) == stat.Size() {
|
||||
return data, err
|
||||
data = make([]byte, stat.Size())
|
||||
result, e := f.Read(data)
|
||||
if e != nil || int64(result) != stat.Size() {
|
||||
return nil, e
|
||||
}
|
||||
return []byte(""), err
|
||||
return
|
||||
}
|
||||
|
||||
// Put bytes to file.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user