Function NewDecoderSize

decode.go:29–39

NewDecoderSize creates and inits a new decoder for the known size.

(size, chunkLen int)

// NewDecoderSize creates and inits a new decoder for the known size.
func NewDecoderSize(size, chunkLen int) *Decoder {
	numChunks := numberOfChunks(size, chunkLen)
	codec := fountain.NewLubyCodec(numChunks, rand.New(fountain.NewMersenneTwister(200)), solitonDistribution(numChunks))
	return &Decoder{
		codec:    codec,
		fd:       codec.NewDecoder(size),
		total:    size,
		chunkLen: chunkLen,
		cache:    make(map[string]struct{}),
	}
}

// Decode takes a single chunk of data and decodes it.
// Chunk expected to be validated (see Validate) before.