| #include "types.hpp" |
| |
| #include <fmt/format.h> |
| |
| #include <charconv> |
| |
| namespace phosphor::network |
| { |
| |
| void IfAddr::invalidPfx(uint8_t pfx) |
| { |
| throw std::invalid_argument(fmt::format("Invalid prefix {}", pfx)); |
| } |
| |
| namespace detail |
| { |
| |
| std::string_view AddrBufMaker<ether_addr>::operator()(ether_addr val) noexcept |
| { |
| for (char* ptr = buf.data() + 2; ptr < buf.end(); ptr += 3) |
| { |
| *ptr = ':'; |
| } |
| for (size_t i = 0; i < 6; ++i) |
| { |
| char* tmp = buf.data() + i * 3; |
| uint8_t byte = val.ether_addr_octet[i]; |
| if (byte < 16) |
| { |
| *(tmp++) = '0'; |
| } |
| std::to_chars(tmp, buf.end(), byte, 16); |
| } |
| return {buf.begin(), buf.size()}; |
| } |
| |
| static char* makeInAddr(char* ptr, char* end, in_addr val) noexcept |
| { |
| auto v = bswap(ntoh(val.s_addr)); |
| for (size_t i = 0; i < 3; ++i) |
| { |
| const auto res = std::to_chars(ptr, end, v & 0xff, 10); |
| *res.ptr = '.'; |
| ptr = res.ptr + 1; |
| v >>= 8; |
| } |
| return std::to_chars(ptr, end, v & 0xff, 10).ptr; |
| } |
| |
| std::string_view AddrBufMaker<in_addr>::operator()(in_addr val) noexcept |
| { |
| return {buf.data(), makeInAddr(buf.data(), buf.end(), val)}; |
| } |
| |
| std::string_view AddrBufMaker<in6_addr>::operator()(in6_addr val) noexcept |
| { |
| // IPv4 in IPv6 Addr |
| if (val.s6_addr32[0] == 0 && val.s6_addr32[1] == 0 && |
| val.s6_addr32[2] == hton(uint32_t(0xffff))) |
| { |
| constexpr auto prefix = std::string_view("::ffff:"); |
| return {buf.data(), |
| makeInAddr(std::copy(prefix.begin(), prefix.end(), buf.begin()), |
| buf.end(), {val.s6_addr32[3]})}; |
| } |
| |
| size_t skip_start = 0; |
| size_t skip_size = 0; |
| { |
| size_t new_start = 0; |
| size_t new_size = 0; |
| for (size_t i = 0; i < 9; ++i) |
| { |
| if (i < 8 && val.s6_addr16[i] == 0) |
| { |
| if (new_start + new_size == i) |
| { |
| new_size++; |
| } |
| else |
| { |
| new_start = i; |
| new_size = 1; |
| } |
| } |
| else if (new_start + new_size == i && new_size > skip_size) |
| { |
| skip_start = new_start; |
| skip_size = new_size; |
| } |
| } |
| } |
| char* ptr = buf.begin(); |
| for (size_t i = 0; i < 8; ++i) |
| { |
| if (i == skip_start && skip_size > 1) |
| { |
| if (i == 0) |
| { |
| *(ptr++) = ':'; |
| } |
| *(ptr++) = ':'; |
| i += skip_size - 1; |
| continue; |
| } |
| const auto res = |
| std::to_chars(ptr, buf.end(), ntoh(val.s6_addr16[i]), 16); |
| ptr = res.ptr; |
| if (i < 7) |
| { |
| *(ptr++) = ':'; |
| } |
| } |
| return {buf.data(), ptr}; |
| } |
| |
| } // namespace detail |
| } // namespace phosphor::network |
| |
| std::size_t std::hash<in_addr>::operator()(in_addr addr) const noexcept |
| { |
| return std::hash<decltype(addr.s_addr)>{}(addr.s_addr); |
| } |
| |
| std::size_t std::hash<in6_addr>::operator()(in6_addr addr) const noexcept |
| { |
| return phosphor::network::hash_multi(addr.s6_addr32[0], addr.s6_addr32[1], |
| addr.s6_addr32[2], addr.s6_addr32[3]); |
| } |
| |
| std::size_t std::hash<phosphor::network::IfAddr>::operator()( |
| phosphor::network::IfAddr addr) const noexcept |
| { |
| return phosphor::network::hash_multi(addr.getAddr(), addr.getPfx()); |
| } |
| |
| std::string std::to_string(ether_addr value) |
| { |
| return string(phosphor::network::detail::AddrBufMaker<ether_addr>{}(value)); |
| } |
| std::string std::to_string(in_addr value) |
| { |
| return string(phosphor::network::detail::AddrBufMaker<in_addr>{}(value)); |
| } |
| std::string std::to_string(in6_addr value) |
| { |
| return string(phosphor::network::detail::AddrBufMaker<in6_addr>{}(value)); |
| } |
| std::string std::to_string(phosphor::network::InAddrAny value) |
| { |
| return std::visit([](auto v) { return std::to_string(v); }, value); |
| } |
| |
| std::string std::to_string(phosphor::network::IfAddr value) |
| { |
| return fmt::to_string(value); |
| } |