git://developer.intra2net.com / pingcheck / blame
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1 | // Copyright (c) 2003-2010 Christopher M. Kohlhoff |
| 2 | // Modifications (c) 2011 by Guilherme Maciel Ferreira / Intra2net AG | |
| 3 | // | |
| 4 | // Distributed under the Boost Software License, Version 1.0. | |
| 5 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 7 | #ifndef IPV6_HEADER_H | |
| 8 | #define IPV6_HEADER_H | |
| 9 | ||
| 10 | #include <stdint.h> | |
| 11 | ||
| 12 | #include <boost/asio/ip/address_v6.hpp> | |
| 13 | ||
| 5d9d2808 | 14 | #include "ip/ipheader.h" |
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15 | |
| 16 | //----------------------------------------------------------------------------- | |
| 17 | // Ipv6Header | |
| 18 | //----------------------------------------------------------------------------- | |
| 19 | ||
| 20 | /** | |
| 21 | * @brief This class represents the IP version 6 Packet Header. | |
| 22 | * | |
| 23 | * The IPv6 header format is: | |
| 24 | * | |
| 25 | * @code | |
| 26 | * 0 3 4 11 12 15 16 23 24 31 | |
| 27 | * +-------+---------------+--------------------------------------+ --- | |
| 28 | * | | | | ^ | |
| 29 | * |version| traffic class | flow label | | | |
| 30 | * | (6) | | | | | |
| 31 | * +-------+---------------+-------+--------------+---------------+ | | |
| 32 | * | | | | | | |
| 2c8e193f | 33 | * | payload length in bytes | next header | hop limit | | |
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34 | * | | | | | |
| 35 | * +---------------+---------------+--------------+---------------+ | | |
| 36 | * | | | | |
| 37 | * | | | | |
| 38 | * | | | | |
| 39 | * | | | | |
| 40 | * | | | | |
| 41 | * | source IPv6 address | | | |
| 8b4161a5 | 42 | * | | 40 bytes |
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43 | * | | | |
| 44 | * | | | | |
| 45 | * | | | | |
| 46 | * | | | | |
| 47 | * | | | | |
| 48 | * +--------------------------------------------------------------+ | | |
| 49 | * | | | | |
| 50 | * | | | | |
| 51 | * | | | | |
| 52 | * | | | | |
| 53 | * | | | | |
| 54 | * | destination IPv6 address | | | |
| 55 | * | | | | |
| 56 | * | | | | |
| 57 | * | | | | |
| 58 | * | | | | |
| 59 | * | | | | |
| 60 | * | | v | |
| 61 | * +--------------------------------------------------------------+ --- | |
| 62 | * @endcode | |
| 63 | */ | |
| 5d9d2808 | 64 | class Ipv6Header : public IpHeader |
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65 | { |
| 66 | public: | |
| 67 | Ipv6Header(); | |
| 68 | ||
| 69 | uint8_t get_version() const; | |
| 01e517ff | 70 | uint8_t get_differentiated_services() const; |
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71 | uint32_t get_flow_label() const; |
| 72 | ||
| 73 | uint16_t get_payload_length() const; | |
| 74 | uint8_t get_next_header() const; | |
| 75 | uint8_t get_hop_limit() const; | |
| 76 | ||
| fc921308 | 77 | uint16_t get_header_length() const; |
| 5d9d2808 | 78 | |
| fc921308 | 79 | uint16_t get_total_length() const; |
| 5d9d2808 CH |
80 | |
| 81 | // in IPv6, this corresponds to the "HOP limit" | |
| fc921308 | 82 | uint8_t get_time_to_live() const; |
| 5d9d2808 CH |
83 | |
| 84 | boost::asio::ip::address get_source_address() const; | |
| 85 | boost::asio::ip::address get_destination_address() const; | |
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86 | |
| 87 | friend std::istream &operator>>( | |
| 88 | std::istream &is, | |
| 89 | Ipv6Header &header | |
| 90 | ); | |
| 91 | ||
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92 | }; |
| 93 | ||
| 94 | #endif // IPV6_HEADER_H |