William A. Kennington III | bb0eacc | 2022-10-21 15:22:06 -0700 | [diff] [blame] | 1 | #include "types.hpp" |
| 2 | |
| 3 | #include <arpa/inet.h> |
| 4 | #include <byteswap.h> |
| 5 | |
| 6 | #include <charconv> |
| 7 | |
| 8 | namespace phosphor::network::detail |
| 9 | { |
| 10 | |
| 11 | std::string_view AddrBufMaker<ether_addr>::operator()(ether_addr val) noexcept |
| 12 | { |
| 13 | for (char* ptr = buf.data() + 2; ptr < buf.end(); ptr += 3) |
| 14 | { |
| 15 | *ptr = ':'; |
| 16 | } |
| 17 | for (size_t i = 0; i < 6; ++i) |
| 18 | { |
| 19 | char* tmp = buf.data() + i * 3; |
| 20 | uint8_t byte = val.ether_addr_octet[i]; |
| 21 | if (byte < 16) |
| 22 | { |
| 23 | *(tmp++) = '0'; |
| 24 | } |
| 25 | std::to_chars(tmp, buf.end(), byte, 16); |
| 26 | } |
| 27 | return {buf.begin(), buf.size()}; |
| 28 | } |
| 29 | |
| 30 | std::string_view AddrBufMaker<in_addr>::operator()(in_addr val) noexcept |
| 31 | { |
| 32 | auto v = bswap_32(ntohl(val.s_addr)); |
| 33 | char* ptr = buf.begin(); |
| 34 | for (size_t i = 0; i < 3; ++i) |
| 35 | { |
| 36 | const auto res = std::to_chars(ptr, buf.end(), v & 0xff, 10); |
| 37 | *res.ptr = '.'; |
| 38 | ptr = res.ptr + 1; |
| 39 | v >>= 8; |
| 40 | } |
| 41 | const auto res = std::to_chars(ptr, buf.end(), v & 0xff, 10); |
| 42 | return {buf.data(), res.ptr}; |
| 43 | } |
| 44 | |
| 45 | std::string_view AddrBufMaker<in6_addr>::operator()(in6_addr val) noexcept |
| 46 | { |
| 47 | size_t skip_start = 0; |
| 48 | size_t skip_size = 0; |
| 49 | { |
| 50 | size_t new_start = 0; |
| 51 | size_t new_size = 0; |
| 52 | for (size_t i = 0; i < 9; ++i) |
| 53 | { |
| 54 | if (i < 8 && val.s6_addr16[i] == 0) |
| 55 | { |
| 56 | if (new_start + new_size == i) |
| 57 | { |
| 58 | new_size++; |
| 59 | } |
| 60 | else |
| 61 | { |
| 62 | new_start = i; |
| 63 | new_size = 1; |
| 64 | } |
| 65 | } |
| 66 | else if (new_start + new_size == i && new_size > skip_size) |
| 67 | { |
| 68 | skip_start = new_start; |
| 69 | skip_size = new_size; |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | char* ptr = buf.begin(); |
| 74 | for (size_t i = 0; i < 8; ++i) |
| 75 | { |
| 76 | if (i == skip_start && skip_size > 0) |
| 77 | { |
| 78 | if (i == 0) |
| 79 | { |
| 80 | *(ptr++) = ':'; |
| 81 | } |
| 82 | *(ptr++) = ':'; |
| 83 | i += skip_size - 1; |
| 84 | continue; |
| 85 | } |
| 86 | const auto res = |
| 87 | std::to_chars(ptr, buf.end(), ntohs(val.s6_addr16[i]), 16); |
| 88 | ptr = res.ptr; |
| 89 | if (i < 7) |
| 90 | { |
| 91 | *(ptr++) = ':'; |
| 92 | } |
| 93 | } |
| 94 | return {buf.data(), ptr}; |
| 95 | } |
| 96 | |
| 97 | } // namespace phosphor::network::detail |
| 98 | |
William A. Kennington III | 653114f | 2022-11-01 22:34:04 -0700 | [diff] [blame] | 99 | std::size_t std::hash<in_addr>::operator()(in_addr addr) const noexcept |
| 100 | { |
| 101 | return std::hash<decltype(addr.s_addr)>{}(addr.s_addr); |
| 102 | } |
| 103 | |
| 104 | std::size_t std::hash<in6_addr>::operator()(in6_addr addr) const noexcept |
| 105 | { |
| 106 | return phosphor::network::hash_multi(addr.s6_addr32[0], addr.s6_addr32[1], |
| 107 | addr.s6_addr32[2], addr.s6_addr32[3]); |
| 108 | } |
| 109 | |
William A. Kennington III | bb0eacc | 2022-10-21 15:22:06 -0700 | [diff] [blame] | 110 | std::string std::to_string(ether_addr value) |
| 111 | { |
| 112 | return string(phosphor::network::detail::AddrBufMaker<ether_addr>{}(value)); |
| 113 | } |
| 114 | std::string std::to_string(in_addr value) |
| 115 | { |
| 116 | return string(phosphor::network::detail::AddrBufMaker<in_addr>{}(value)); |
| 117 | } |
| 118 | std::string std::to_string(in6_addr value) |
| 119 | { |
| 120 | return string(phosphor::network::detail::AddrBufMaker<in6_addr>{}(value)); |
| 121 | } |
| 122 | std::string std::to_string(phosphor::network::InAddrAny value) |
| 123 | { |
| 124 | return std::visit([](auto v) { return std::to_string(v); }, value); |
| 125 | } |