Mercurial > hg > terminal-chess / file comparison
comparison: src/network.h
src/network.h
- changeset 183
- 39aa77b7188b
- parent 182
- 04c65336777f
- child 184
- 93c81539b702
equal
deleted
inserted
replaced
| 182:04c65336777f | 183:39aa77b7188b |
|---|---|
| 29 | 29 |
| 30 #ifndef TCHESS_NETWORK_H | 30 #ifndef TCHESS_NETWORK_H |
| 31 #define TCHESS_NETWORK_H | 31 #define TCHESS_NETWORK_H |
| 32 | 32 |
| 33 #include <sys/socket.h> | 33 #include <sys/socket.h> |
| 34 #include <netdb.h> | 34 #include <stdint.h> |
| 35 | 35 |
| 36 #ifdef __cplusplus | 36 #ifdef __cplusplus |
| 37 extern "C" { | 37 extern "C" { |
| 38 #endif | 38 #endif |
| 39 | 39 |
| 97 void net_send_data(int socket, uint8_t code, void *data, size_t len); | 97 void net_send_data(int socket, uint8_t code, void *data, size_t len); |
| 98 uint8_t net_recieve_code(int socket); | 98 uint8_t net_recieve_code(int socket); |
| 99 uint8_t net_recieve_code_async(int socket); | 99 uint8_t net_recieve_code_async(int socket); |
| 100 void net_recieve_data(int socket, void *data, size_t len); | 100 void net_recieve_data(int socket, void *data, size_t len); |
| 101 | 101 |
| 102 | |
| 103 /* Functions that convert WORD and DWORD values to terminal-chess | |
| 104 * network protocol byte order. | |
| 105 * | |
| 106 * Note: due to the vast majority of processors using little-endian, | |
| 107 * the network byte order of terminal-chess is little-endian, too. | |
| 108 * While the standard network byte order is big-endian for historic reasons. | |
| 109 */ | |
| 110 | |
| 111 static inline uint16_t net_htons(uint16_t s) { | |
| 112 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ | |
| 113 return s; | |
| 114 #else | |
| 115 #if !defined(__BYTE_ORDER__) | |
| 116 const uint16_t endian_test = 1; | |
| 117 if (*(const uint8_t *)&endian_test) { | |
| 118 return s; | |
| 119 } | |
| 120 #endif | |
| 121 return (uint16_t)((s >> 8) | (s << 8)); | |
| 122 #endif | |
| 123 } | |
| 124 | |
| 125 static inline uint16_t net_ntohs(uint16_t s) { | |
| 126 return net_htons(s); | |
| 127 } | |
| 128 | |
| 129 static inline uint32_t net_ntohl(uint32_t l) { | |
| 130 #if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ | |
| 131 return l; | |
| 132 #else | |
| 133 #if !defined(__BYTE_ORDER__) | |
| 134 const uint16_t endian_test = 1; | |
| 135 if (*(const uint8_t *)&endian_test) { | |
| 136 return l; | |
| 137 } | |
| 138 #endif | |
| 139 return ((l & 0x000000FFu) << 24) | |
| 140 | ((l & 0x0000FF00u) << 8) | |
| 141 | ((l & 0x00FF0000u) >> 8) | |
| 142 | ((l & 0xFF000000u) >> 24); | |
| 143 #endif | |
| 144 } | |
| 145 | |
| 146 static inline uint32_t net_htonl(uint32_t l) { | |
| 147 return net_ntohl(l); | |
| 148 } | |
| 149 | |
| 102 #ifdef __cplusplus | 150 #ifdef __cplusplus |
| 103 } | 151 } |
| 104 #endif | 152 #endif |
| 105 | 153 |
| 106 #endif /* TCHESS_NETWORK_H */ | 154 #endif /* TCHESS_NETWORK_H */ |
