unix4lyfe git - darkstat-debian/blob - db.h

   1 /* darkstat 3
   2  *
   3  * db.h: load and save in-memory database from/to file
   4  * copyright (c) 2007-2011 Ben Stewart, Emil Mikulic.
   5  */
   6
   7 #include <sys/types.h> /* for size_t */
   8 #include <stdint.h> /* for uint64_t */
   9
  10 struct addr;
  11
  12 void db_import(const char *filename);
  13 void db_export(const char *filename);
  14
  15 /* byteswap */
  16 uint64_t hton64(const uint64_t ho);
  17 uint64_t ntoh64(const uint64_t no);
  18 void test_64order(void);
  19
  20 /* read helpers */
  21 unsigned int xtell(const int fd);
  22 int readn(const int fd, void *dest, const size_t len);
  23 int read8(const int fd, uint8_t *dest);
  24 int expect8(const int fd, uint8_t expecting);
  25 int read16(const int fd, uint16_t *dest);
  26 int read32(const int fd, uint32_t *dest);
  27 int read64(const int fd, uint64_t *dest);
  28 int readaddr_ipv4(const int fd, struct addr *dest);
  29 int readaddr(const int fd, struct addr *dest);
  30 int read_file_header(const int fd, const uint8_t expected[4]);
  31
  32 /* write helpers */
  33 int writen(const int fd, const void *dest, const size_t len);
  34 int write8(const int fd, const uint8_t i);
  35 int write16(const int fd, const uint16_t i);
  36 int write32(const int fd, const uint32_t i);
  37 int write64(const int fd, const uint64_t i);
  38 int writeaddr(const int fd, const struct addr *const a);
  39
  40 /* vim:set ts=3 sw=3 tw=78 et: */