feat: impl. new protol design & new head

internal/algo/zstd.go

@@ -0,0 +1,41 @@
+package algo
+
+import (
+	"bytes"
+	"io"
+
+	"github.com/fumiama/WireGold/internal/bin"
+	"github.com/fumiama/orbyte/pbuf"
+	"github.com/klauspost/compress/zstd"
+)
+
+func EncodeZstd(data []byte) pbuf.Bytes {
+	return bin.SelectWriter().P(func(w *pbuf.Buffer) {
+		enc, err := zstd.NewWriter(w, zstd.WithEncoderLevel(zstd.SpeedFastest))
+		if err != nil {
+			panic(err)
+		}
+		_, err = io.Copy(enc, bytes.NewReader(data))
+		if err != nil {
+			panic(err)
+		}
+		err = enc.Close()
+		if err != nil {
+			panic(err)
+		}
+	}).ToBytes()
+}
+
+func DecodeZstd(data []byte) (b pbuf.Bytes, err error) {
+	dec, err := zstd.NewReader(bytes.NewReader(data))
+	if err != nil {
+		return pbuf.Bytes{}, err
+	}
+
+	b = bin.SelectWriter().P(func(w *pbuf.Buffer) {
+		_, err = io.Copy(w, dec)
+		dec.Close()
+	}).ToBytes()
+
+	return
+}