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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_BASE_IP_ENDPOINT_H_
#define NET_BASE_IP_ENDPOINT_H_
#include <stdint.h>
#include <ostream>
#include <string>
#include "build/build_config.h"
#include "net/base/address_family.h"
#include "net/base/ip_address.h"
#include "net/base/net_export.h"
// Replicate these from Windows headers to avoid pulling net/sys_addrinfo.h.
// Doing that transitively brings in windows.h. Including windows.h pollutes the
// global namespace with thousands of macro definitions. This file is
// transitively included in enough files that including windows.h potentially
// impacts build performance.
// Similarly, just pull in the minimal header necessary on non-Windows platforms
// to help with build performance.
struct sockaddr;
#if BUILDFLAG(IS_WIN)
typedef int socklen_t;
#else
#include <sys/socket.h>
#endif
namespace net {
// An IPEndPoint represents the address of a transport endpoint:
// * IP address (either v4 or v6)
// * Port
class NET_EXPORT IPEndPoint {
public:
IPEndPoint();
~IPEndPoint();
IPEndPoint(const IPAddress& address, uint16_t port);
IPEndPoint(const IPEndPoint& endpoint);
const IPAddress& address() const { return address_; }
// Returns the IPv4/IPv6 port if it has been set by the constructor or
// `FromSockAddr`. This function will crash if the IPEndPoint is for a
// Bluetooth socket.
uint16_t port() const;
// Returns AddressFamily of the address. Returns ADDRESS_FAMILY_UNSPECIFIED if
// this is the IPEndPoint for a Bluetooth socket.
AddressFamily GetFamily() const;
// Returns the sockaddr family of the address, AF_INET or AF_INET6. Returns
// AF_BTH if this is the IPEndPoint for a Bluetooth socket.
int GetSockAddrFamily() const;
// Convert to a provided sockaddr struct. This function will crash if the
// IPEndPoint is for a Bluetooth socket.
// |address| is the sockaddr to copy into. Should be at least
// sizeof(struct sockaddr_storage) bytes.
// |address_length| is an input/output parameter. On input, it is the
// size of data in |address| available. On output, it is the size of
// the address that was copied into |address|.
// Returns true on success, false on failure.
[[nodiscard]] bool ToSockAddr(struct sockaddr* address,
socklen_t* address_length) const;
// Convert from a sockaddr struct.
// |address| is the address.
// |address_length| is the length of |address|.
// Returns true on success, false on failure.
[[nodiscard]] bool FromSockAddr(const struct sockaddr* address,
socklen_t address_length);
// Returns value as a string (e.g. "127.0.0.1:80"). Returns the empty string
// when |address_| is invalid (the port will be ignored). This function will
// crash if the IPEndPoint is for a Bluetooth socket.
std::string ToString() const;
// As above, but without port. Returns the empty string when address_ is
// invalid. The function will crash if the IPEndPoint is for a Bluetooth
// socket.
std::string ToStringWithoutPort() const;
bool operator<(const IPEndPoint& that) const;
bool operator==(const IPEndPoint& that) const;
bool operator!=(const IPEndPoint& that) const;
private:
IPAddress address_;
uint16_t port_ = 0;
};
NET_EXPORT_PRIVATE std::ostream& operator<<(std::ostream& os,
const IPEndPoint& ip_endpoint);
} // namespace net
#endif // NET_BASE_IP_ENDPOINT_H_
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