feat: add support for all endianesses

include/sp/protocol/MessageInterfaces.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <sp/protocol/Options.h>
+#include <sp/common/ByteSwapping.h>
 
 namespace sp {
 namespace details {
@@ -83,13 +84,13 @@ class MessageInterfaceBigEndian : public TBase {
   protected:
 	template <typename T>
 	void ReadData(T& value, DataBuffer& buffer) {
-		//TODO: use big endian
 		buffer >> value;
+		FromNetwork(value);
 	}
 
 	template <typename T>
 	void WriteData(T value, DataBuffer& buffer) {
-		//TODO: use big endian
+		ToNetwork(value);
 		buffer << value;
 	}
 };
@@ -100,13 +101,15 @@ class MessageInterfaceLittleEndian : public TBase {
   protected:
 	template <typename T>
 	void ReadData(T& value, DataBuffer& buffer) {
-		//TODO: use little endian
 		buffer >> value;
+		TrySwapBytes(value);
+		FromNetwork(value);
 	}
 
 	template <typename T>
 	void WriteData(const T& value, DataBuffer& buffer) {
-		//TODO: use little endian
+		ToNetwork(value);
+		TrySwapBytes(value);
 		buffer << value;
 	}
 };