server updates

server/structs/file_transfer.go

@@ -0,0 +1,21 @@
+package structs
+
+import (
+)
+
+type SaprusFileTransfer struct {
+        Flag            [1]byte
+        Sequence        [2]byte
+        Checksum        [2]byte
+        Payload         []byte
+}
+
+func (c SaprusFileTransfer) Bytes() []byte {
+        data := []byte{}
+        data = append(data, c.Flag[0])
+        data = append(data, c.Sequence[0], c.Sequence[1])
+        data = append(data, c.Checksum[0], c.Checksum[1])
+        data = append(data, c.Payload...)
+        return data
+}
+

server/structs/saprus.go

@@ -4,13 +4,15 @@ import (
 )
 
 type SaprusHeaderFrame struct {
-        PacketType  uint16
-        Length      uint16
+        PacketType  [2]byte
+        Length      [2]byte
         Payload     []byte
 }
 
 func (c SaprusHeaderFrame) Bytes() []byte {
-	data := []byte{byte(c.PacketType), byte(c.Length)}
+	data := []byte{}
+	data = append(data, c.PacketType[0], c.PacketType[1])
+	data = append(data, c.Length[0], c.Length[1])
 	data = append(data, c.Payload...)
 	return data
 }