1 #ifndef __REDIS_RDB_H 2 #define __REDIS_RDB_H 3 4 #include <stdio.h> 5 #include "rio.h" 6 7 /* TBD: include only necessary headers. */ 8 #include "redis.h" 9 10 /* Dup object types to RDB object types. Only reason is readability (are we 11 * dealing with RDB types or with in-memory object types?). */ 12 #define REDIS_RDB_TYPE_STRING 0 13 #define REDIS_RDB_TYPE_LIST 1 14 #define REDIS_RDB_TYPE_SET 2 15 #define REDIS_RDB_TYPE_ZSET 3 16 #define REDIS_RDB_TYPE_HASH 4 17 18 /* Object types for encoded objects. */ 19 #define REDIS_RDB_TYPE_HASH_ZIPMAP 9 20 #define REDIS_RDB_TYPE_LIST_ZIPLIST 10 21 #define REDIS_RDB_TYPE_SET_INTSET 11 22 #define REDIS_RDB_TYPE_ZSET_ZIPLIST 12 23 24 /* Test if a type is an object type. */ 25 #define rdbIsObjectType(t) ((t >= 0 && t <= 4) || (t >= 9 && t <= 12)) 26 27 /* Special RDB opcodes (saved/loaded with rdbSaveType/rdbLoadType). */ 28 #define REDIS_RDB_OPCODE_EXPIRETIME 253 29 #define REDIS_RDB_OPCODE_SELECTDB 254 30 #define REDIS_RDB_OPCODE_EOF 255 31 32 /* Test if a type is an opcode. */ 33 #define rdbIsOpcode(t) (t >= 253 && t <= 255) 34 35 int rdbLoad(char *filename); 36 int rdbSaveBackground(char *filename); 37 void rdbRemoveTempFile(pid_t childpid); 38 int rdbSave(char *filename); 39 int rdbSaveObject(rio *rdb, robj *o); 40 off_t rdbSavedObjectLen(robj *o); 41 off_t rdbSavedObjectPages(robj *o); 42 robj *rdbLoadObject(int type, rio *rdb); 43 void backgroundSaveDoneHandler(int exitcode, int bysignal); 44 int rdbSaveKeyValuePair(rio *rdb, robj *key, robj *val, time_t expireitme, time_t now); 45 int rdbLoadType(rio *rdb); 46 time_t rdbLoadTime(rio *rdb); 47 robj *rdbLoadStringObject(rio *rdb); 48 int rdbSaveType(rio *rdb, unsigned char type); 49 int rdbSaveLen(rio *rdb, uint32_t len); 50 int rdbSaveObjectType(rio *rdb, robj *o); 51 int rdbLoadObjectType(rio *rdb); 52 53 #endif 54