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utp_packedsockaddr.h
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utp_packedsockaddr.h
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/*
* Copyright (c) 2010-2013 BitTorrent, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef __UTP_PACKEDSOCKADDR_H__
#define __UTP_PACKEDSOCKADDR_H__
#include "utp_types.h"
struct PACKED_ATTRIBUTE PackedSockAddr {
// The values are always stored here in network byte order
union {
byte _in6[16]; // IPv6
uint16 _in6w[8]; // IPv6, word based (for convenience)
uint32 _in6d[4]; // Dword access
in6_addr _in6addr; // For convenience
} _in;
// Host byte order
uint16 _port;
#define _sin4 _in._in6d[3] // IPv4 is stored where it goes if mapped
#define _sin6 _in._in6
#define _sin6w _in._in6w
#define _sin6d _in._in6d
byte get_family() const;
bool operator==(const PackedSockAddr& rhs) const;
bool operator!=(const PackedSockAddr& rhs) const;
void set(const SOCKADDR_STORAGE* sa, socklen_t len);
PackedSockAddr(const SOCKADDR_STORAGE* sa, socklen_t len);
PackedSockAddr(void);
SOCKADDR_STORAGE get_sockaddr_storage(socklen_t *len) const;
cstr fmt(str s, size_t len) const;
uint32 compute_hash() const;
} ALIGNED_ATTRIBUTE(4);
#endif //__UTP_PACKEDSOCKADDR_H__