// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023 // // 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 &builder, const IPAddress &address); } // namespace td