| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #ifndef SRC_DATAFILE_ENCODING_HPP_ | ||
| 2 | #define SRC_DATAFILE_ENCODING_HPP_ | ||
| 3 | |||
| 4 | #include <endian.h> | ||
| 5 | #include <stdint.h> | ||
| 6 | |||
| 7 | #include "common/decimal.hpp" | ||
| 8 | |||
| 9 | #ifdef __BYTE_ORDER__ | ||
| 10 | #define ENDIANESS __BYTE_ORDER__ | ||
| 11 | #else | ||
| 12 | // manual definition | ||
| 13 | #define ENDIANESS __ORDER_LITTLE_ENDIAN__ | ||
| 14 | #endif | ||
| 15 | |||
| 16 | namespace found { | ||
| 17 | |||
| 18 | /** | ||
| 19 | * @brief Converts a 16-bit integer from host byte order to network byte order. | ||
| 20 | * | ||
| 21 | * @param v The integer to convert | ||
| 22 | * | ||
| 23 | * @return The integer in network byte order. | ||
| 24 | */ | ||
| 25 | inline uint16_t htons(uint16_t v) { | ||
| 26 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 27 | return (v << 8) | (v >> 8); | ||
| 28 | #else | ||
| 29 | return v; | ||
| 30 | #endif | ||
| 31 | } | ||
| 32 | |||
| 33 | /** | ||
| 34 | * @brief Converts a 16-bit integer from network byte order to host byte order. | ||
| 35 | * | ||
| 36 | * @param v The integer to convert | ||
| 37 | * | ||
| 38 | * @return The integer in host byte order. | ||
| 39 | */ | ||
| 40 | inline uint16_t ntohs(uint16_t v) { | ||
| 41 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 42 | return (v << 8) | (v >> 8); | ||
| 43 | #else | ||
| 44 | return v; | ||
| 45 | #endif | ||
| 46 | } | ||
| 47 | |||
| 48 | /** | ||
| 49 | * @brief Converts a 32-bit integer from host byte order to network byte order. | ||
| 50 | * | ||
| 51 | * @param v The integer to convert | ||
| 52 | * | ||
| 53 | * @return The integer in network byte order. | ||
| 54 | */ | ||
| 55 | 96 | inline uint32_t htonl(uint32_t v) { | |
| 56 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 57 | 96 | return ((v & 0xFF000000) >> 24) | | |
| 58 | 96 | ((v & 0x00FF0000) >> 8) | | |
| 59 | 96 | ((v & 0x0000FF00) << 8) | | |
| 60 | 96 | ((v & 0x000000FF) << 24); | |
| 61 | #else | ||
| 62 | return v; | ||
| 63 | #endif | ||
| 64 | } | ||
| 65 | |||
| 66 | /** | ||
| 67 | * @brief Converts a 32-bit integer from network byte order to host byte order. | ||
| 68 | * | ||
| 69 | * @param v The integer to convert | ||
| 70 | * | ||
| 71 | * @return The integer in host byte order. | ||
| 72 | */ | ||
| 73 | 133 | inline uint32_t ntohl(uint32_t v) { | |
| 74 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 75 | 133 | return ((v & 0xFF000000) >> 24) | | |
| 76 | 133 | ((v & 0x00FF0000) >> 8) | | |
| 77 | 133 | ((v & 0x0000FF00) << 8) | | |
| 78 | 133 | ((v & 0x000000FF) << 24); | |
| 79 | #else | ||
| 80 | return v; | ||
| 81 | #endif | ||
| 82 | } | ||
| 83 | |||
| 84 | /** | ||
| 85 | * @brief Converts a 64-bit integer from host byte order to network byte order. | ||
| 86 | * | ||
| 87 | * @param v The integer to convert | ||
| 88 | * | ||
| 89 | * @return The integer in network byte order. | ||
| 90 | */ | ||
| 91 | 403 | inline uint64_t htonl(uint64_t v) { | |
| 92 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 93 | 403 | return ((v & 0xFF00000000000000ULL) >> 56) | | |
| 94 | 403 | ((v & 0x00FF000000000000ULL) >> 40) | | |
| 95 | 403 | ((v & 0x0000FF0000000000ULL) >> 24) | | |
| 96 | 403 | ((v & 0x000000FF00000000ULL) >> 8) | | |
| 97 | 403 | ((v & 0x00000000FF000000ULL) << 8) | | |
| 98 | 403 | ((v & 0x0000000000FF0000ULL) << 24) | | |
| 99 | 403 | ((v & 0x000000000000FF00ULL) << 40) | | |
| 100 | 403 | ((v & 0x00000000000000FFULL) << 56); | |
| 101 | #else | ||
| 102 | return v; | ||
| 103 | #endif | ||
| 104 | } | ||
| 105 | |||
| 106 | /** | ||
| 107 | * @brief Converts a 64-bit integer from network byte order to host byte order. | ||
| 108 | * | ||
| 109 | * @param v The integer to convert | ||
| 110 | * | ||
| 111 | * @return The integer in host byte order. | ||
| 112 | */ | ||
| 113 | 20 | inline uint64_t ntohl(uint64_t v) { | |
| 114 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 115 | 20 | return ((v & 0xFF00000000000000ULL) >> 56) | | |
| 116 | 20 | ((v & 0x00FF000000000000ULL) >> 40) | | |
| 117 | 20 | ((v & 0x0000FF0000000000ULL) >> 24) | | |
| 118 | 20 | ((v & 0x000000FF00000000ULL) >> 8) | | |
| 119 | 20 | ((v & 0x00000000FF000000ULL) << 8) | | |
| 120 | 20 | ((v & 0x0000000000FF0000ULL) << 24) | | |
| 121 | 20 | ((v & 0x000000000000FF00ULL) << 40) | | |
| 122 | 20 | ((v & 0x00000000000000FFULL) << 56); | |
| 123 | #else | ||
| 124 | return v; | ||
| 125 | #endif | ||
| 126 | } | ||
| 127 | |||
| 128 | /** | ||
| 129 | * @brief Union for converting a 32-bit floating point number from host byte order to network byte order and vice versa. | ||
| 130 | */ | ||
| 131 | union _f_u_ { | ||
| 132 | /// @brief Floating-point variable used for storing a single-precision value. | ||
| 133 | float f; | ||
| 134 | /// @brief Unsigned 32-bit integer used for encoding or serialization purposes. | ||
| 135 | uint32_t u; | ||
| 136 | }; | ||
| 137 | |||
| 138 | /** | ||
| 139 | * @brief Union for converting a 64-bit floating point number from host byte order to network byte order and vice versa. | ||
| 140 | */ | ||
| 141 | union _d_u_ { | ||
| 142 | /// @brief A variable to store a double-precision floating-point value. | ||
| 143 | double d; | ||
| 144 | /// @brief Unsigned 64-bit integer used for encoding or serialization purposes. | ||
| 145 | uint64_t u; | ||
| 146 | }; | ||
| 147 | |||
| 148 | /** | ||
| 149 | * @brief Converts a float from network byte order to host byte order. | ||
| 150 | * | ||
| 151 | * @param v The float value to convert. | ||
| 152 | * @return The converted float value in host byte order. | ||
| 153 | */ | ||
| 154 | inline float htonf(float v) { | ||
| 155 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 156 | _f_u_ t; | ||
| 157 | t.f = v; | ||
| 158 | t.u = htonl(t.u); | ||
| 159 | return t.f; | ||
| 160 | #else | ||
| 161 | return v; | ||
| 162 | #endif | ||
| 163 | } | ||
| 164 | |||
| 165 | /** | ||
| 166 | * @brief Converts a float from network byte order to host byte order. | ||
| 167 | * | ||
| 168 | * @param v The float value to convert. | ||
| 169 | * | ||
| 170 | * @return The converted float value in host byte order. | ||
| 171 | */ | ||
| 172 | inline float ntohf(float v) { | ||
| 173 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 174 | _f_u_ t; | ||
| 175 | t.f = v; | ||
| 176 | t.u = ntohl(t.u); | ||
| 177 | return t.f; | ||
| 178 | #else | ||
| 179 | return v; | ||
| 180 | #endif | ||
| 181 | } | ||
| 182 | |||
| 183 | /** | ||
| 184 | * @brief Converts a double from network byte order to host byte order. | ||
| 185 | * | ||
| 186 | * @param v The double value to convert. | ||
| 187 | * | ||
| 188 | * @return The converted double value in host byte order. | ||
| 189 | */ | ||
| 190 | inline double ntohd(double v) { | ||
| 191 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 192 | _d_u_ t; | ||
| 193 | t.d = v; | ||
| 194 | t.u = ntohl(t.u); | ||
| 195 | return t.d; | ||
| 196 | #else | ||
| 197 | return v; | ||
| 198 | #endif | ||
| 199 | } | ||
| 200 | |||
| 201 | /** | ||
| 202 | * @brief Converts a double from host byte order to network byte order. | ||
| 203 | * | ||
| 204 | * @param v The double value to convert. | ||
| 205 | * | ||
| 206 | * @return The converted double value in network byte order. | ||
| 207 | */ | ||
| 208 | 381 | inline double htond(double v) { | |
| 209 | #if ENDIANESS == __ORDER_LITTLE_ENDIAN__ | ||
| 210 | _d_u_ t; | ||
| 211 | 381 | t.d = v; | |
| 212 | 381 | t.u = htonl(t.u); | |
| 213 | 381 | return t.d; | |
| 214 | #else | ||
| 215 | return v; | ||
| 216 | #endif | ||
| 217 | } | ||
| 218 | |||
| 219 | /** | ||
| 220 | * @brief Converts a decimal from host byte order to network byte order. | ||
| 221 | * | ||
| 222 | * @param v The decimal value to convert. | ||
| 223 | * | ||
| 224 | * @return The converted decimal value in network byte order. | ||
| 225 | */ | ||
| 226 | 162 | inline decimal htondec(decimal v) { | |
| 227 | #ifdef FOUND_FLOAT_MODE | ||
| 228 | return htonf(v); | ||
| 229 | #else | ||
| 230 | 162 | return htond(v); | |
| 231 | #endif | ||
| 232 | } | ||
| 233 | |||
| 234 | /** | ||
| 235 | * @brief Converts a decimal from network byte order to host byte order. | ||
| 236 | * | ||
| 237 | * @param v The decimal value to convert. | ||
| 238 | * | ||
| 239 | * @return The converted decimal value in host byte order. | ||
| 240 | */ | ||
| 241 | 219 | inline decimal ntohdec(decimal v) { | |
| 242 | #ifdef FOUND_FLOAT_MODE | ||
| 243 | return htonf(v); | ||
| 244 | #else | ||
| 245 | 219 | return htond(v); | |
| 246 | #endif | ||
| 247 | } | ||
| 248 | |||
| 249 | /** | ||
| 250 | * @brief Calculates the CRC32 checksum for a given data buffer. | ||
| 251 | * | ||
| 252 | * @param data Pointer to the data buffer. | ||
| 253 | * @param length The size of the data buffer in bytes. | ||
| 254 | * | ||
| 255 | * @return The calculated CRC32 checksum. | ||
| 256 | */ | ||
| 257 | uint32_t calculateCRC32(const void* data, size_t length); | ||
| 258 | |||
| 259 | } // namespace found | ||
| 260 | |||
| 261 | #endif // SRC_DATAFILE_ENCODING_HPP_ | ||
| 262 |