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gob.go
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gob.go
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package gob
import (
"bytes"
stdgob "encoding/gob"
"fmt"
"github.com/kinvolk/nebraska/backend/pkg/sessions"
"github.com/kinvolk/nebraska/backend/pkg/sessions/memcache"
)
type copier struct{}
var _ memcache.ValuesCopier = copier{}
// New returns a new ValuesCopier that uses "encoding/gob" to deep
// copy the session values. If using a custom type in session values,
// then register it with gob.Register(), so copying can succeed.
func New() memcache.ValuesCopier {
return copier{}
}
// Copy is a part of memcache.ValuesCopier interface.
func (copier) Copy(to *sessions.ValuesType, from sessions.ValuesType) error {
var buf bytes.Buffer
enc := stdgob.NewEncoder(&buf)
dec := stdgob.NewDecoder(&buf)
err := enc.Encode(from)
if err != nil {
return fmt.Errorf("could not copy session values, encoding to gob failed: %v", err)
}
err = dec.Decode(to)
if err != nil {
return fmt.Errorf("could not copy session values, decoding from gob failed: %v", err)
}
return nil
}