Introduce pools to obfuscated2

mtglib/internal/obfuscated2/pools.go

@@ -6,11 +6,18 @@ import (
 	"sync"
 )
 
-var sha256HasherPool = sync.Pool{
-	New: func() interface{} {
-		return sha256.New()
-	},
-}
+var (
+	sha256HasherPool = sync.Pool{
+		New: func() interface{} {
+			return sha256.New()
+		},
+	}
+	handshakeFramePool = sync.Pool{
+		New: func() interface{} {
+			return &handshakeFrame{}
+		},
+	}
+)
 
 func acquireSha256Hasher() hash.Hash {
 	return sha256HasherPool.Get().(hash.Hash)
@@ -20,3 +27,11 @@ func releaseSha256Hasher(h hash.Hash) {
 	h.Reset()
 	sha256HasherPool.Put(h)
 }
+
+func acquireHandshakeFrame() *handshakeFrame {
+	return handshakeFramePool.Get().(*handshakeFrame)
+}
+
+func releaseHandshakeFrame(h *handshakeFrame) {
+	handshakeFramePool.Put(h)
+}