persistence: add journaling (5b5aee0c) · Commits · The Tor Project / Anti-censorship / rdsys

pkg/persistence/json/json.go

+7 −2

Original line number	Diff line number	Diff line
		@@ -42,14 +42,19 @@ func (f *JsonPersistence) Save(i interface{}) error {
		dirPath := path.Dir(f.filename)
		os.MkdirAll(dirPath, 0700)

		fh, err := os.Create(f.filename)
		fh, err := os.Create(f.filename + ".tmp")
		if err != nil {
		return err
		}
		defer fh.Close()

		enc := json.NewEncoder(fh)
		return enc.Encode(i)
		err = enc.Encode(i)
		if err != nil {
		return err
		}

		return os.Rename(f.filename+".tmp", f.filename)
		}

		// New returns a new JsonPersistence instance.

+2 −0

Original line number	Diff line number	Diff line
		@@ -31,9 +31,11 @@ func TestSaveLoad(t *testing.T) {
		os.Remove(p.filename)
		}()

		s1false := &Struct{Foo: "bar", Bar: 1235}
		s1 := &Struct{Foo: "foo", Bar: 1234}
		s2 := &Struct{}

		p.Save(s1false)
		p.Save(s1)
		p.Load(s2)