rcpp_framework/libs/brynet/base/endian/Endian.hpp

#pragma once

#include <brynet/net/SocketLibTypes.hpp>
#include <cassert>
#include <cstdbool>
#include <cstdint>
#include <cstring>

#ifdef BRYNET_PLATFORM_LINUX
#include <endian.h>
#elif defined BRYNET_PLATFORM_DARWIN
#include <sys/_endian.h>
#endif


inline uint64_t hl64ton(uint64_t hostValue) {
	uint64_t ret = 0;
	uint32_t high, low;

	low = hostValue & 0xFFFFFFFF;
	high = (hostValue >> 32) & 0xFFFFFFFF;
	low = htonl(low);
	high = htonl(high);
	ret = low;
	ret <<= 32;
	ret |= high;

	return ret;
}

inline uint64_t ntohl64(uint64_t netValue) {
	uint64_t ret = 0;
	uint32_t high, low;

	low = netValue & 0xFFFFFFFF;
	high = (netValue >> 32) & 0xFFFFFFFF;
	low = ntohl(low);
	high = ntohl(high);
	ret = low;
	ret <<= 32;
	ret |= high;

	return ret;
}

#ifdef BRYNET_PLATFORM_WINDOWS
inline uint64_t hostToNetwork64(uint64_t host64, bool convert = true) {
	return convert ? hl64ton(host64) : host64;
}
inline uint32_t hostToNetwork32(uint32_t host32, bool convert = true) {
	return convert ? htonl(host32) : host32;
}

inline uint16_t hostToNetwork16(uint16_t host16, bool convert = true) {
	return convert ? htons(host16) : host16;
}

inline uint64_t networkToHost64(uint64_t net64, bool convert = true) {
	return convert ? ntohl64(net64) : net64;
}

inline uint32_t networkToHost32(uint32_t net32, bool convert = true) {
	return convert ? ntohl(net32) : net32;
}

inline uint16_t networkToHost16(uint16_t net16, bool convert = true) {
	return convert ? ntohs(net16) : net16;
}
#elif defined BRYNET_PLATFORM_LINUX
inline uint64_t hostToNetwork64(uint64_t host64, bool convert = true) {
	return convert ? htobe64(host64) : host64;
}
inline uint32_t hostToNetwork32(uint32_t host32, bool convert = true) {
	return convert ? htobe32(host32) : host32;
}

inline uint16_t hostToNetwork16(uint16_t host16, bool convert = true) {
	return convert ? htobe16(host16) : host16;
}

inline uint64_t networkToHost64(uint64_t net64, bool convert = true) {
	return convert ? be64toh(net64) : net64;
}

inline uint32_t networkToHost32(uint32_t net32, bool convert = true) {
	return convert ? be32toh(net32) : net32;
}

inline uint16_t networkToHost16(uint16_t net16, bool convert = true) {
	return convert ? be16toh(net16) : net16;
}
#elif defined BRYNET_PLATFORM_DARWIN
inline uint64_t hostToNetwork64(uint64_t host64, bool convert = true) {
	return convert ? hl64ton(host64) : host64;
}
inline uint32_t hostToNetwork32(uint32_t host32, bool convert = true) {
	return convert ? htonl(host32) : host32;
}

inline uint16_t hostToNetwork16(uint16_t host16, bool convert = true) {
	return convert ? htons(host16) : host16;
}

inline uint64_t networkToHost64(uint64_t net64, bool convert = true) {
	return convert ? ntohl64(net64) : net64;
}

inline uint32_t networkToHost32(uint32_t net32, bool convert = true) {
	return convert ? ntohl(net32) : net32;
}

inline uint16_t networkToHost16(uint16_t net16, bool convert = true) {
	return convert ? ntohs(net16) : net16;
}
#endif