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/* Starshatter: The Open Source Project
Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
Copyright (c) 1997-2006, Destroyer Studios LLC.
AUTHOR: John DiCamillo
OVERVIEW
========
Network Address
*/
#include "NetAddr.h"
#ifdef _WIN32
#include <winsock2.h>
#else
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
#endif
#include <cctype>
#include <cstddef>
#include <cstdint>
#include <cstring>
NetAddr::NetAddr(const char* host_name, std::uint16_t p) :
addr(0),
port(p)
{
if (host_name && *host_name) {
struct hostent* h = nullptr;
if (std::isdigit(*host_name)) {
auto a = inet_addr(host_name);
h = gethostbyaddr((const char*) &a, 4, AF_INET);
}
else {
h = gethostbyname(host_name);
}
if (h) {
if (h->h_addr_list) {
addr = **(std::uint32_t**) (h->h_addr_list);
}
}
}
Init();
}
NetAddr::NetAddr(std::uint32_t a, std::uint16_t p) :
addr(a),
port(p)
{
Init();
}
NetAddr::NetAddr(const NetAddr& n) :
addr(n.addr),
port(n.port)
{
Init();
}
void
NetAddr::Init()
{
std::memset(&sadr, 0, sizeof(sadr));
sadr.sin_family = AF_INET;
sadr.sin_port = ::htons(port);
sadr.sin_addr.s_addr = addr;
}
void
NetAddr::InitFromSockAddr()
{
addr = sadr.sin_addr.s_addr;
port = ::ntohs(sadr.sin_port);
}
sockaddr*
NetAddr::GetSockAddr() const
{
return (sockaddr*) &sadr;
}
std::size_t
NetAddr::GetSockAddrLength() const
{
return sizeof(sadr);
}
void
NetAddr::SetSockAddr(sockaddr* s, int size)
{
if (s) {
std::memset(&sadr, 0, sizeof(sadr));
if (size > sizeof(sadr))
std::memcpy(&sadr, s, sizeof(sadr));
else
std::memcpy(&sadr, s, sizeof(sadr));
InitFromSockAddr();
}
}
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