citadel/database.h

   1 /* $Id$ */
   2
   3 #ifndef DATABASE_H
   4 #define DATABASE_H
   5
   6
   7 void open_databases (void);
   8 void close_databases (void);
   9 int cdb_store (int cdb, void *key, int keylen, void *data, int datalen);
  10 int cdb_delete (int cdb, void *key, int keylen);
  11 struct cdbdata *cdb_fetch (int cdb, void *key, int keylen);
  12 void cdb_free (struct cdbdata *cdb);
  13 void cdb_rewind (int cdb);
  14 struct cdbdata *cdb_next_item (int cdb);
  15 void cdb_close_cursor(int cdb);
  16 void cdb_begin_transaction(void);
  17 void cdb_end_transaction(void);
  18 void cdb_allocate_tsd(void);
  19 void cdb_free_tsd(void);
  20 void cdb_check_handles(void);
  21 void cdb_trunc(int cdb);
  22 void *checkpoint_thread(void *arg);
  23 void cdb_chmod_data(void);
  24 void cdb_checkpoint(void);
  25 void check_handles(void *arg);
  26
  27 /*
  28  * Database records beginning with this magic number are assumed to
  29  * be compressed.  In the event that a database record actually begins with
  30  * this magic number, we *must* compress it whether we want to or not,
  31  * because the fetch function will try to uncompress it anyway.
  32  *
  33  * (No need to #ifdef this stuff; it compiles ok even if zlib is not present
  34  * and doesn't declare anything so it won't bloat the code)
  35  */
  36 #define COMPRESS_MAGIC  0xc0ffeeee
  37
  38 struct CtdlCompressHeader {
  39         int magic;
  40         size_t uncompressed_len;
  41         size_t compressed_len;
  42 };
  43
  44 #endif /* DATABASE_H */
  45