EQStream abstraction layer

common/net/endian.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include <cstdint>
+#include <algorithm>
+#include <type_traits>
+
+namespace EQ
+{
+	namespace Net
+	{
+		inline bool IsLittleEndian() {
+			static int32_t v = 1;
+			return 1 == *(int8_t*)&v;
+		}
+
+		template<typename T>
+		T ByteSwap(T in) {
+			static_assert(std::is_integral<T>::value, "Byte swap only works on integer types.");
+			T ret;
+
+			char *first = (char*)&in;
+			char *last = (char*)&in + sizeof(in);
+			char *d_first = (char*)&ret;
+			while (first != last) {
+				*(d_first++) = *(--last);
+			}
+
+			return ret;
+		}
+
+		template<typename T>
+		T HostToNetwork(T in) {
+			if (IsLittleEndian()) {
+				return ByteSwap(in);
+			}
+			else {
+				return in;
+			}
+		}
+
+		template<typename T>
+		T NetworkToHost(T in) {
+			if (IsLittleEndian()) {
+				return ByteSwap(in);
+			}
+			else {
+				return in;
+			}
+		}
+	}
+}