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/* Starshatter: The Open Source Project
Copyright (c) 2021-2024, 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 Host
*/
#include "NetHost.h"
#ifdef _WIN32
#include <winsock2.h>
#else
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
#include <unistd.h>
#endif
#include <cstdint>
NetHost::NetHost()
{
char host_name[256];
::gethostname(host_name, sizeof(host_name));
Init(host_name);
}
NetHost::NetHost(const char* host_name)
{
Init(host_name);
}
void
NetHost::Init(const char* host_name)
{
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) {
name = h->h_name;
char** alias = h->h_aliases;
while (*alias) {
aliases.append(new Text(*alias));
alias++;
}
char** addr = h->h_addr_list;
while (*addr) {
NetAddr* pna = new NetAddr(**(std::uint32_t**) addr);
if (pna)
addresses.append(pna);
addr++;
}
}
}
}
NetHost::NetHost(const NetHost& n)
{
if (&n != this) {
NetHost& nh = (NetHost&) n;
name = nh.name;
ListIter<Text> alias = nh.aliases;
while (++alias)
aliases.append(new Text(*alias.value()));
ListIter<NetAddr> addr = nh.addresses;
while (++addr)
addresses.append(new NetAddr(*addr.value()));
}
}
NetHost::~NetHost()
{
aliases.destroy();
addresses.destroy();
}
const char*
NetHost::Name()
{
return name;
}
NetAddr
NetHost::Address()
{
if (addresses.size())
return *(addresses[0]);
return NetAddr((std::uint32_t) 0);
}
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