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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2025
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/port/config.h"
#include "td/utils/common.h"
#include "td/utils/Slice.h"
#include "td/utils/Status.h"
#include "td/utils/StringBuilder.h"
#if !TD_WINDOWS
#include <arpa/inet.h>
#include <netinet/in.h>
#include <sys/socket.h>
#endif
namespace td {
Result<string> idn_to_ascii(CSlice host);
class SocketFd;
class IPAddress {
public:
IPAddress();
bool is_valid() const;
bool is_ipv4() const;
bool is_ipv6() const;
bool is_reserved() const;
int get_port() const;
void set_port(int port);
uint32 get_ipv4() const;
string get_ipv6() const;
// returns result in a static thread-local buffer, which may be overwritten by any subsequent method call
CSlice get_ip_str() const;
// returns IP address as a host, i.e. IPv4 or [IPv6]
string get_ip_host() const;
static string ipv4_to_str(uint32 ipv4);
static string ipv6_to_str(Slice ipv6);
IPAddress get_any_addr() const;
static Result<IPAddress> get_ip_address(CSlice host); // host must be any IPv4 or IPv6
static Result<IPAddress> get_ipv4_address(CSlice host);
static Result<IPAddress> get_ipv6_address(CSlice host);
Status init_ipv6_port(CSlice ipv6, int port) TD_WARN_UNUSED_RESULT;
Status init_ipv6_as_ipv4_port(CSlice ipv4, int port) TD_WARN_UNUSED_RESULT;
Status init_ipv4_port(CSlice ipv4, int port) TD_WARN_UNUSED_RESULT;
Status init_host_port(CSlice host, int port, bool prefer_ipv6 = false) TD_WARN_UNUSED_RESULT;
Status init_host_port(CSlice host, CSlice port, bool prefer_ipv6 = false) TD_WARN_UNUSED_RESULT;
Status init_host_port(CSlice host_port) TD_WARN_UNUSED_RESULT;
Status init_socket_address(const SocketFd &socket_fd) TD_WARN_UNUSED_RESULT;
Status init_peer_address(const SocketFd &socket_fd) TD_WARN_UNUSED_RESULT;
void clear_ipv6_interface();
friend bool operator==(const IPAddress &a, const IPAddress &b);
friend bool operator<(const IPAddress &a, const IPAddress &b);
// for internal usage only
const sockaddr *get_sockaddr() const;
size_t get_sockaddr_len() const;
int get_address_family() const;
Status init_sockaddr(sockaddr *addr);
Status init_sockaddr(sockaddr *addr, socklen_t len) TD_WARN_UNUSED_RESULT;
private:
union {
sockaddr sockaddr_;
sockaddr_in ipv4_addr_;
sockaddr_in6 ipv6_addr_;
};
static constexpr socklen_t storage_size() {
return sizeof(ipv6_addr_);
}
bool is_valid_;
void init_ipv4_any();
void init_ipv6_any();
};
StringBuilder &operator<<(StringBuilder &string_builder, const IPAddress &address);
} // namespace td
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