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rizin/libr/include/sdb/sdb.h
pancake fee19ad875 Bump SDB fixing some ns issues
2014-04-23 03:27:50 +02:00

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7.4 KiB
C
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#ifndef SDB_H
#define SDB_H
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include "types.h"
#include "ht.h"
#include "ls.h"
#include "cdb.h"
#include "cdb_make.h"
#include "sdb-version.h"
#undef R_MAX
#define R_MAX(x,y) (((x)>(y))?(x):(y))
#undef r_offsetof
#define r_offsetof(type, member) ((unsigned long) &((type*)0)->member)
//#define SDB_RS '\x1e'
#define SDB_RS ','
#define SDB_SS ","
#define SDB_MAX_PATH 256
#define SDB_NUM_BASE 16
#define SDB_OPTION_NONE 0
#define SDB_OPTION_ALL 0xff
#define SDB_OPTION_SYNC 1
#define SDB_OPTION_NOSTAMP 2
#define SDB_OPTION_FS 4
// This size implies trailing zero terminator, this is 254 chars + 0
#define SDB_KSZ 0xff
typedef struct sdb_kv {
char key[SDB_KSZ];
char *value;
ut64 expire;
ut32 cas;
} SdbKv;
typedef struct sdb_t {
char *dir; // path+name
char *path;
char *name;
int fd;
int refs; // reference counter
int lock;
struct cdb db;
struct cdb_make m;
SdbHash *ht;
ut32 eod;
ut32 pos;
int fdump;
char *ndump;
ut64 expire;
ut64 last; // timestamp of last change
int options;
int ns_lock; // TODO: merge into options?
SdbList *ns;
SdbList *hooks;
SdbKv tmpkv;
} Sdb;
typedef struct sdb_ns_t {
char *name;
ut32 hash;
Sdb *sdb;
} SdbNs;
#define sdb_new0() sdb_new(NULL,NULL,0)
Sdb* sdb_new (const char *path, const char *file, int lock);
void sdb_config (Sdb *s, int options);
int sdb_free (Sdb* s);
void sdb_file (Sdb* s, const char *dir);
void sdb_reset (Sdb* s);
void sdb_setup (Sdb* s, int options);
void sdb_drain (Sdb*, Sdb*);
int sdb_query (Sdb* s, const char *cmd);
int sdb_queryf (Sdb* s, const char *fmt, ...);
int sdb_query_lines (Sdb *s, const char *cmd);
char *sdb_querys (Sdb* s, char *buf, size_t len, const char *cmd);
char *sdb_querysf (Sdb* s, char *buf, size_t buflen, const char *fmt, ...);
int sdb_query_file(Sdb *s, const char* file);
int sdb_exists (Sdb*, const char *key);
int sdb_num_exists (Sdb*, const char *key);
int sdb_unset (Sdb*, const char *key, ut32 cas);
char *sdb_get (Sdb*, const char *key, ut32 *cas);
const char *sdb_const_get (Sdb*, const char *key, ut32 *cas);
int sdb_set (Sdb*, const char *key, const char *data, ut32 cas);
int sdb_concat(Sdb *s, const char *key, const char *value, ut32 cas);
int sdb_add (Sdb* s, const char *key, const char *val, ut32 cas);
void sdb_list(Sdb*);
int sdb_sync (Sdb*);
void sdb_kv_free (SdbKv *kv);
typedef int (*SdbForeachCallback)(void *user, const char *k, const char *v);
int sdb_foreach (Sdb* s, SdbForeachCallback cb, void *user);
/* create db */
int sdb_disk_create (Sdb* s);
int sdb_disk_insert (Sdb* s, const char *key, const char *val);
int sdb_disk_finish (Sdb* s);
void sdb_disk_unlink (Sdb* s);
/* iterate */
void sdb_dump_begin (Sdb* s);
SdbKv *sdb_dump_next (Sdb* s);
int sdb_dump_dupnext (Sdb* s, char **key, char **value);
/* numeric */
char *sdb_itoa (ut64 n, char *s, int base);
ut64 sdb_atoi (const char *s);
ut64 sdb_num_get (Sdb* s, const char *key, ut32 *cas);
int sdb_num_set (Sdb* s, const char *key, ut64 v, ut32 cas);
ut64 sdb_num_inc (Sdb* s, const char *key, ut64 n, ut32 cas);
ut64 sdb_num_dec (Sdb* s, const char *key, ut64 n, ut32 cas);
/* locking */
int sdb_lock(const char *s);
const char *sdb_lockfile(const char *f);
void sdb_unlock(const char *s);
SDB_API void sdb_unlink (Sdb* s);
SDB_API int sdb_lock_wait(const char *s UNUSED);
/* expiration */
int sdb_expire_set(Sdb* s, const char *key, ut64 expire, ut32 cas);
ut64 sdb_expire_get(Sdb* s, const char *key, ut32 *cas);
ut64 sdb_now (void);
ut64 sdb_unow (void);
ut32 sdb_hash (const char *key, int klen);
#define sdb_hashstr(x) sdb_hash(x,-1)
/* json api */
char *sdb_json_get (Sdb* s, const char *key, const char *p, ut32 *cas);
int sdb_json_set (Sdb* s, const char *k, const char *p, const char *v, ut32 cas);
int sdb_json_num_get (Sdb* s, const char *k, const char *p, ut32 *cas);
int sdb_json_num_set (Sdb* s, const char *k, const char *p, int v, ut32 cas);
int sdb_json_num_dec(Sdb* s, const char *k, const char *p, int n, ut32 cas);
int sdb_json_num_inc(Sdb* s, const char *k, const char *p, int n, ut32 cas);
char *sdb_json_indent(const char *s);
char *sdb_json_unindent(const char *s);
typedef struct {
char *buf;
size_t blen;
size_t len;
} SdbJsonString;
const char *sdb_json_format(SdbJsonString* s, const char *fmt, ...);
#define sdb_json_format_free(x) free ((x)->buf)
// namespace
Sdb* sdb_ns (Sdb *s, const char *name);
void sdb_ns_init (Sdb* s);
void sdb_ns_free (Sdb* s);
void sdb_ns_lock(Sdb *s, int lock, int depth);
void sdb_ns_sync (Sdb* s);
int sdb_ns_set (Sdb *s, const char *name, Sdb *r);
int sdb_ns_unset (Sdb *s, const char *name);
// array
int sdb_array_contains (Sdb* s, const char *key, const char *val, ut32 *cas);
SDB_API int sdb_array_contains_num(Sdb *s, const char *key, ut64 val, ut32 *cas);
int sdb_array_set (Sdb* s, const char *key, int idx, const char *val, ut32 cas);
int sdb_array_set_num (Sdb* s, const char *key, int idx, ut64 val, ut32 cas);
char *sdb_array_get (Sdb* s, const char *key, int idx, ut32 *cas);
ut64 sdb_array_get_num (Sdb* s, const char *key, int idx, ut32 *cas);
int sdb_array_get_idx (Sdb *s, const char *key, const char *val, ut32 cas); // agetv
int sdb_array_insert (Sdb* s, const char *key, int idx, const char *val, ut32 cas);
int sdb_array_insert_num (Sdb* s, const char *key, int idx, ut64 val, ut32 cas);
int sdb_array_unset (Sdb* s, const char *key, int n, ut32 cas); // leaves empty bucket
int sdb_array_delete (Sdb* s, const char *key, int n, ut32 cas);
// set
int sdb_array_add (Sdb* s, const char *key, const char *val, ut32 cas);
int sdb_array_add_num (Sdb* s, const char *key, ut64 val, ut32 cas);
int sdb_array_remove (Sdb *s, const char *key, const char *val, ut32 cas);
int sdb_array_remove_num (Sdb* s, const char *key, ut64 val, ut32 cas);
// helpers
char *sdb_anext(char *str, char **next);
int sdb_alen(const char *str);
int sdb_array_size(Sdb* s, const char *key);
int sdb_array_length(Sdb* s, const char *key);
int sdb_array_list(Sdb* s, const char *key);
int sdb_array_push(Sdb *s, const char *key, const char *val, ut32 cas);
char *sdb_array_pop(Sdb *s, const char *key, ut32 *cas);
int sdb_array_push_num(Sdb *s, const char *key, ut64 num, ut32 cas);
ut64 sdb_array_pop_num(Sdb *s, const char *key, ut32 *cas);
typedef void (*SdbHook)(Sdb *s, void *user, const char *k, const char *v);
void sdb_global_hook(SdbHook hook, void *user);
int sdb_hook(Sdb* s, SdbHook cb, void* user);
int sdb_unhook(Sdb* s, SdbHook h);
int sdb_hook_call(Sdb *s, const char *k, const char *v);
void sdb_hook_free(Sdb *s);
/* Util.c */
int sdb_check_value (const char *s);
int sdb_check_key (const char *s);
int sdb_isnum (const char *s);
int sdb_num_base (const char *s);
int sdb_bool_set(Sdb *db, const char *str, int v, ut32 cas);
int sdb_bool_get(Sdb *db, const char *str, ut32 *cas);
// base64
ut8 *sdb_decode (const char *in, int *len);
char *sdb_encode(const ut8 *bin, int len);
void sdb_encode_raw(char *bout, const ut8 *bin, int len);
int sdb_decode_raw(ut8 *bout, const char *bin, int len);
// binfmt
int sdb_fmt_init (void *p, const char *fmt);
void sdb_fmt_free (void *p, const char *fmt);
int sdb_fmt_tobin(const char *_str, const char *fmt, void *stru);
char *sdb_fmt_tostr(void *stru, const char *fmt);
SDB_API char** sdb_fmt_array(const char *list);
SDB_API ut64* sdb_fmt_array_num(const char *list);
// raw array helpers
char *sdb_array_compact(char *p);
char *sdb_aslice(char *out, int from, int to);
#ifdef __cplusplus
}
#endif
#endif
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