zfilecache

Documentation

Index

• type Cache
  • func Init(router *mux.Router, workDir, urlPrefix, cacheName string) *Cache
  • func (c *Cache) CacheFromData(data []byte, name string) (string, error)
  • func (c *Cache) CacheFromReader(reader io.Reader, name string) (string, error)
  • func (c *Cache) GetNameFromURL(surl string) string
  • func (c *Cache) GetPathForName(name string) (path, dir string)
  • func (c *Cache) GetURLForName(name string) string
  • func (c *Cache) HandlerWithCheckToken(h http.Handler) http.Handler
  • func (c *Cache) IsCached(name string) bool
  • func (c *Cache) RemoveFileWithName(name string) error
  • func (c Cache) ServeHTTP(w http.ResponseWriter, req *http.Request)

Types

type Cache

type Cache struct {
	WorkDir string

	GetURL string

	ServeEmptyImage    bool
	DeleteAfter        time.Duration // Delete files when modified more than this long ago
	UseToken           bool          // Not implemented
	DeleteRatio        float32       // When deleting files, only do some of sub-folders (randomly) each time 0.1 is do 10% of them at random
	NestInHashFolders  bool
	InterceptServeFunc func(w http.ResponseWriter, req *http.Request, file *string) bool // return true if handled
	// contains filtered or unexported fields
}

func Init

func Init(router *mux.Router, workDir, urlPrefix, cacheName string) *Cache

func (*Cache) CacheFromData

func (c *Cache) CacheFromData(data []byte, name string) (string, error)

CacheFromData reads in data, using name as filename, or hash of data, and extension This string return is this name/hash, used to get a path or a url for fetching. This should really call CacheFromReader, not visa versa

func (*Cache) CacheFromReader

func (c *Cache) CacheFromReader(reader io.Reader, name string) (string, error)

CacheFromReader reads bytes from reader with stype png or jpeg and caches is with CacheFromData This name is used to get a path or a url for getting

func (*Cache) GetNameFromURL

func (c *Cache) GetNameFromURL(surl string) string

func (*Cache) GetPathForName

func (c *Cache) GetPathForName(name string) (path, dir string)

func (*Cache) GetURLForName

func (c *Cache) GetURLForName(name string) string

func (*Cache) HandlerWithCheckToken

func (c *Cache) HandlerWithCheckToken(h http.Handler) http.Handler

func (*Cache) IsCached

func (c *Cache) IsCached(name string) bool

func (*Cache) RemoveFileWithName

func (c *Cache) RemoveFileWithName(name string) error

func (Cache) ServeHTTP

func (c Cache) ServeHTTP(w http.ResponseWriter, req *http.Request)