METADAPT-B can now send very large messages

metadaptb.go

@@ -85,23 +85,21 @@ type Stream interface {
 }
 
 func encodeMessageB(writer io.Writer, method uint16, data []byte) error {
-	buffer := make([]byte, 4 + len(data))
+	buffer := make([]byte, 10 + len(data))
 	tape.EncodeI16(buffer[:2], method)
-	length, ok := tape.U16CastSafe(len(data))
-	if !ok { return ErrPayloadTooLarge }
-	tape.EncodeI16(buffer[2:4], length)
-	copy(buffer[4:], data)
+	tape.EncodeI64(buffer[2:10], uint64(len(data)))
+	copy(buffer[10:], data)
 	_, err := writer.Write(buffer)
 	return err
 }
 
 func decodeMessageB(reader io.Reader) (uint16, []byte, error) {
-	headerBuffer := [4]byte { }
+	headerBuffer := [10]byte { }
 	_, err := io.ReadFull(reader, headerBuffer[:])
 	if err != nil { return 0, nil, err }
 	method, err := tape.DecodeI16[uint16](headerBuffer[:2])
 	if err != nil { return 0, nil, err }
-	length, err := tape.DecodeI16[uint16](headerBuffer[2:4])
+	length, err := tape.DecodeI64[uint64](headerBuffer[2:10])
 	if err != nil { return 0, nil, err }
 	payloadBuffer := make([]byte, int(length))
 	_, err = io.ReadFull(reader, payloadBuffer)