96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/port/config.h"
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#include "td/utils/common.h"
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#include "td/utils/Slice.h"
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#include "td/utils/Status.h"
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#include "td/utils/StringBuilder.h"
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#if !TD_WINDOWS
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#endif
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namespace td {
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Result<string> idn_to_ascii(CSlice host);
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class SocketFd;
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class IPAddress {
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public:
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IPAddress();
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bool is_valid() const;
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bool is_ipv4() const;
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bool is_ipv6() const;
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bool is_reserved() const;
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int get_port() const;
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void set_port(int port);
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uint32 get_ipv4() const;
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string get_ipv6() const;
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// returns result in a static thread-local buffer, which may be overwritten by any subsequent method call
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CSlice get_ip_str() const;
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// returns IP address as a host, i.e. IPv4 or [IPv6]
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string get_ip_host() const;
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static string ipv4_to_str(uint32 ipv4);
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static string ipv6_to_str(Slice ipv6);
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IPAddress get_any_addr() const;
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static Result<IPAddress> get_ip_address(CSlice host); // host must be any IPv4 or IPv6
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static Result<IPAddress> get_ipv4_address(CSlice host);
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static Result<IPAddress> get_ipv6_address(CSlice host);
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Status init_ipv6_port(CSlice ipv6, int port) TD_WARN_UNUSED_RESULT;
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Status init_ipv6_as_ipv4_port(CSlice ipv4, int port) TD_WARN_UNUSED_RESULT;
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Status init_ipv4_port(CSlice ipv4, int port) TD_WARN_UNUSED_RESULT;
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Status init_host_port(CSlice host, int port, bool prefer_ipv6 = false) TD_WARN_UNUSED_RESULT;
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Status init_host_port(CSlice host, CSlice port, bool prefer_ipv6 = false) TD_WARN_UNUSED_RESULT;
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Status init_host_port(CSlice host_port) TD_WARN_UNUSED_RESULT;
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Status init_socket_address(const SocketFd &socket_fd) TD_WARN_UNUSED_RESULT;
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Status init_peer_address(const SocketFd &socket_fd) TD_WARN_UNUSED_RESULT;
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friend bool operator==(const IPAddress &a, const IPAddress &b);
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friend bool operator<(const IPAddress &a, const IPAddress &b);
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// for internal usage only
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const sockaddr *get_sockaddr() const;
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size_t get_sockaddr_len() const;
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int get_address_family() const;
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Status init_sockaddr(sockaddr *addr);
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Status init_sockaddr(sockaddr *addr, socklen_t len) TD_WARN_UNUSED_RESULT;
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private:
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union {
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sockaddr sockaddr_;
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sockaddr_in ipv4_addr_;
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sockaddr_in6 ipv6_addr_;
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};
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static constexpr socklen_t storage_size() {
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return sizeof(ipv6_addr_);
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}
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bool is_valid_;
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void init_ipv4_any();
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void init_ipv6_any();
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};
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StringBuilder &operator<<(StringBuilder &builder, const IPAddress &address);
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} // namespace td
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