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