| #include "types.hpp" |
| |
| #include <arpa/inet.h> |
| #include <byteswap.h> |
| |
| #include <charconv> |
| |
| namespace phosphor::network::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()}; |
| } |
| |
| std::string_view AddrBufMaker<in_addr>::operator()(in_addr val) noexcept |
| { |
| auto v = bswap_32(ntohl(val.s_addr)); |
| char* ptr = buf.begin(); |
| for (size_t i = 0; i < 3; ++i) |
| { |
| const auto res = std::to_chars(ptr, buf.end(), v & 0xff, 10); |
| *res.ptr = '.'; |
| ptr = res.ptr + 1; |
| v >>= 8; |
| } |
| const auto res = std::to_chars(ptr, buf.end(), v & 0xff, 10); |
| return {buf.data(), res.ptr}; |
| } |
| |
| std::string_view AddrBufMaker<in6_addr>::operator()(in6_addr val) noexcept |
| { |
| 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 > 0) |
| { |
| if (i == 0) |
| { |
| *(ptr++) = ':'; |
| } |
| *(ptr++) = ':'; |
| i += skip_size - 1; |
| continue; |
| } |
| const auto res = |
| std::to_chars(ptr, buf.end(), ntohs(val.s6_addr16[i]), 16); |
| ptr = res.ptr; |
| if (i < 7) |
| { |
| *(ptr++) = ':'; |
| } |
| } |
| return {buf.data(), ptr}; |
| } |
| |
| } // namespace phosphor::network::detail |
| |
| 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); |
| } |