Files
Np_Term/impl/socket/address.cpp
2025-05-31 03:19:58 +09:00

100 lines
2.3 KiB
C++

#include "socket/address.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <format>
namespace Network {
Address::Address() { zeroFill(); }
Address::Address(int type, gsl::czstring presentationAddr, std::uint16_t port) {
set(type, presentationAddr, port);
}
void Address::zeroFill() { memset(&addr_in6, 0, sizeof(addr_in6)); }
void Address::set(int type, gsl::czstring presentationAddr,
std::uint16_t port) {
zeroFill();
setType(type);
BIO_ADDRINFO* res;
if (!BIO_lookup_ex(presentationAddr, std::to_string(port).c_str(),
BIO_LOOKUP_CLIENT, type, SOCK_DGRAM, 0, &res)) {
throw std::runtime_error("can't resolve address");
}
int sock = -1;
for (const BIO_ADDRINFO* ai = res; ai != nullptr;
ai = ::BIO_ADDRINFO_next(ai)) {
sock = BIO_socket(BIO_ADDRINFO_family(ai), SOCK_DGRAM, 0, 0);
if (sock == -1) continue;
}
::close(sock);
addr_in.sin_family = type;
::inet_pton(type, presentationAddr, &addr_in.sin_addr);
addr_in.sin_port = htons(port);
}
void Address::set(int type, in_addr_t addr, std::uint16_t port) {
zeroFill();
setType(type);
addr_in.sin_family = type;
addr_in.sin_addr.s_addr = htonl(addr);
addr_in.sin_port = htons(port);
}
void Address::set(int type, in_addr addr, std::uint16_t port) {
zeroFill();
setType(type);
addr_in.sin_family = type;
addr_in.sin_addr = addr;
addr_in.sin_port = htons(port);
}
void Address::set(int type, in6_addr addr, std::uint16_t port) {
zeroFill();
setType(type);
addr_in6.sin6_family = type;
addr_in6.sin6_addr = addr;
addr_in6.sin6_port = htons(port);
}
void Address::setType(int type) {
family = type;
if (type == AF_INET)
length = sizeof(sockaddr_in);
else if (type == AF_INET6)
length = sizeof(sockaddr_in6);
}
Address::operator std::string() {
char addrStr[INET6_ADDRSTRLEN];
if (family != AF_INET && family != AF_INET6 || !getPort())
return std::string();
::inet_ntop(family, &addr, addrStr, sizeof(addrStr));
return std::format("{}:{}", addrStr, getPort());
}
std::uint16_t Address::getPort() const {
if (family == AF_INET)
return ntohs(addr_in.sin_port);
else if (family == AF_INET6)
return ntohs(addr_in6.sin6_port);
else
return 0;
}
} // namespace Network