func (c *encoder) Encode(v interface{}) error {
defer c.buf.Reset()
w := c.w
if c.c.mc {
// if multicodec, write the header first
if _, err := c.w.Write(c.c.Header()); err != nil {
return err
}
}
if c.c.msgio {
w = msgio.NewWriter(w)
}
// recast to deal with map[interface{}]interface{} case
vr, err := recast(v)
if err != nil {
return err
}
if err := c.enc.Encode(vr); err != nil {
return err
}
_, err = io.Copy(w, c.buf)
return err
}
func (c *encoder) Encode(v interface{}) error {
w := c.w
if c.c.mc {
// if multicodec, write the header first
if _, err := c.w.Write(c.c.Header()); err != nil {
return err
}
}
if c.c.msgio {
w = msgio.NewWriter(w)
}
pbv, ok := v.(proto.Message)
if !ok {
return ErrNotProtobuf
}
defer c.buf.Reset()
if err := c.buf.Marshal(pbv); err != nil {
return err
}
_, err := w.Write(c.buf.Bytes())
return err
}
// NewETMWriter Encrypt-Then-MAC
func NewETMWriter(w io.Writer, s cipher.Stream, mac HMAC) msgio.WriteCloser {
return &etmWriter{msg: msgio.NewWriter(w), str: s, mac: mac, pool: bufPool}
}