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cache-logger.go
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cache-logger.go
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package gobinsec
import "fmt"
// CacheLogger logs cache calls on embedded cache
type CacheLogger struct {
Cache Cache
}
// NewCacheLogger returns a cache logger embedding a cache
func NewCacheLogger(cache Cache) *CacheLogger {
logger := CacheLogger{
Cache: cache,
}
return &logger
}
// Name return embedded cache name
func (c *CacheLogger) Name() string {
return c.Cache.Name()
}
// Get calls embedded cache and logs result
func (c *CacheLogger) Get(d *Dependency) ([]byte, error) {
bytes, err := c.Cache.Get(d)
if err != nil {
return nil, err
}
if bytes != nil {
fmt.Printf("<<< %s\n", d.Name)
} else {
fmt.Printf("!!! %s\n", d.Name)
}
return bytes, nil
}
// Set calls embedded cache and logs call
func (c *CacheLogger) Set(d *Dependency, v []byte) error {
err := c.Cache.Set(d, v)
if err != nil {
return err
}
fmt.Printf(">>> %s\n", d.Name)
return nil
}
// Open prints an information message on terminal
func (c *CacheLogger) Open() error {
fmt.Printf("Caching with %s\n", c.Name())
return c.Cache.Open()
}
// Close does nothing
func (c *CacheLogger) Close() error {
return c.Cache.Close()
}