#define REDIS_IO_WAIT 32 /* The client is waiting for Virtual Memory I/O */
#define REDIS_DIRTY_CAS 64 /* Watched keys modified. EXEC will fail. */
#define REDIS_CLOSE_AFTER_REPLY 128 /* Close after writing entire reply. */
+#define REDIS_UNBLOCKED 256 /* This client was unblocked and is stored in
+ server.unblocked_clients */
/* Client request types */
#define REDIS_REQ_INLINE 1
#define APPENDFSYNC_EVERYSEC 2
/* Zip structure related defaults */
-#define REDIS_HASH_MAX_ZIPMAP_ENTRIES 64
-#define REDIS_HASH_MAX_ZIPMAP_VALUE 512
+#define REDIS_HASH_MAX_ZIPMAP_ENTRIES 512
+#define REDIS_HASH_MAX_ZIPMAP_VALUE 64
#define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
#define REDIS_LIST_MAX_ZIPLIST_VALUE 64
#define REDIS_SET_MAX_INTSET_ENTRIES 512
#define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4
#define REDIS_MAXMEMORY_NO_EVICTION 5
+/* Diskstore background saving thread states */
+#define REDIS_BGSAVE_THREAD_UNACTIVE 0
+#define REDIS_BGSAVE_THREAD_ACTIVE 1
+#define REDIS_BGSAVE_THREAD_DONE_OK 2
+#define REDIS_BGSAVE_THREAD_DONE_ERR 3
+
/* We can print the stacktrace, so our assert is defined this way: */
#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
#define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1)
/* Global server state structure */
struct redisServer {
+ /* General */
pthread_t mainthread;
+ redisDb *db;
+ dict *commands; /* Command table hahs table */
+ aeEventLoop *el;
+ /* Networking */
int port;
char *bindaddr;
char *unixsocket;
int ipfd;
int sofd;
- redisDb *db;
- long long dirty; /* changes to DB from the last save */
- long long dirty_before_bgsave; /* used to restore dirty on failed BGSAVE */
list *clients;
- dict *commands; /* Command table hahs table */
+ list *slaves, *monitors;
+ char neterr[ANET_ERR_LEN];
/* RDB / AOF loading information */
int loading;
off_t loading_total_bytes;
time_t loading_start_time;
/* Fast pointers to often looked up command */
struct redisCommand *delCommand, *multiCommand;
- list *slaves, *monitors;
- char neterr[ANET_ERR_LEN];
- aeEventLoop *el;
int cronloops; /* number of times the cron function run */
time_t lastsave; /* Unix time of last save succeeede */
/* Fields used only for stats */
int appendfsync;
int no_appendfsync_on_rewrite;
int shutdown_asap;
+ int activerehashing;
+ char *requirepass;
+ /* Persistence */
+ long long dirty; /* changes to DB from the last save */
+ long long dirty_before_bgsave; /* used to restore dirty on failed BGSAVE */
time_t lastfsync;
int appendfd;
int appendseldb;
char *pidfile;
pid_t bgsavechildpid;
pid_t bgrewritechildpid;
+ int bgsavethread_state;
+ pthread_mutex_t bgsavethread_mutex;
+ pthread_t bgsavethread;
sds bgrewritebuf; /* buffer taken by parent during oppend only rewrite */
sds aofbuf; /* AOF buffer, written before entering the event loop */
struct saveparam *saveparams;
int saveparamslen;
+ char *dbfilename;
+ int rdbcompression;
+ char *appendfilename;
+ /* Logging */
char *logfile;
int syslog_enabled;
char *syslog_ident;
int syslog_facility;
- char *dbfilename;
- char *appendfilename;
- char *requirepass;
- int rdbcompression;
- int activerehashing;
/* Replication related */
int isslave;
/* Slave specific fields */
void addReplyLongLong(redisClient *c, long long ll);
void addReplyMultiBulkLen(redisClient *c, long length);
void *dupClientReplyValue(void *o);
+void getClientsMaxBuffers(unsigned long *longest_output_list,
+ unsigned long *biggest_input_buffer);
#ifdef __GNUC__
void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
off_t rdbSavedObjectLen(robj *o);
off_t rdbSavedObjectPages(robj *o);
robj *rdbLoadObject(int type, FILE *fp);
-void backgroundSaveDoneHandler(int statloc);
+void backgroundSaveDoneHandler(int exitcode, int bysignal);
int rdbSaveKeyValuePair(FILE *fp, redisDb *db, robj *key, robj *val, time_t now);
int rdbLoadType(FILE *fp);
time_t rdbLoadTime(FILE *fp);
robj *rdbLoadStringObject(FILE *fp);
+int rdbSaveType(FILE *fp, unsigned char type);
+int rdbSaveLen(FILE *fp, uint32_t len);
/* AOF persistence */
void flushAppendOnlyFile(void);
int loadAppendOnlyFile(char *filename);
void stopAppendOnly(void);
int startAppendOnly(void);
-void backgroundRewriteDoneHandler(int statloc);
+void backgroundRewriteDoneHandler(int exitcode, int bysignal);
/* Sorted sets data type */
zskiplist *zslCreate(void);
int dsDel(redisDb *db, robj *key);
int dsExists(redisDb *db, robj *key);
void dsFlushDb(int dbid);
+int dsRdbSaveBackground(char *filename);
+int dsRdbSave(char *filename);
/* Disk Store Cache */
void dsInit(void);
int cacheKeyMayExist(redisDb *db, robj *key);
void cacheSetKeyMayExist(redisDb *db, robj *key);
void cacheSetKeyDoesNotExist(redisDb *db, robj *key);
+void cacheForcePointInTime(void);
/* Set data type */
robj *setTypeCreate(robj *value);