47 lines
805 B
Go
47 lines
805 B
Go
package debian
|
|
|
|
import (
|
|
"sync"
|
|
|
|
"github.com/rapidloop/skv"
|
|
)
|
|
|
|
type Cache struct {
|
|
store *skv.KVStore
|
|
}
|
|
|
|
// cache is not thread-safe, so make sure there are only one user
|
|
var mu sync.Mutex
|
|
|
|
func NewCache(path string) (c *Cache, err error) {
|
|
mu.Lock()
|
|
|
|
c = &Cache{}
|
|
c.store, err = skv.Open(path)
|
|
return
|
|
}
|
|
|
|
func (c Cache) Put(p DebianKernel) error {
|
|
return c.store.Put(p.Version.Package, p)
|
|
}
|
|
|
|
func (c Cache) Get(version string) (p DebianKernel, err error) {
|
|
err = c.store.Get(version, &p)
|
|
return
|
|
}
|
|
|
|
func (c Cache) PutVersions(versions []string) error {
|
|
return c.store.Put("versions", versions)
|
|
}
|
|
|
|
func (c Cache) GetVersions() (versions []string, err error) {
|
|
err = c.store.Get("versions", &versions)
|
|
return
|
|
}
|
|
|
|
func (c Cache) Close() (err error) {
|
|
err = c.store.Close()
|
|
mu.Unlock()
|
|
return
|
|
}
|