X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/4ebfc45528dea7a3b0e4bc2a8efd4238ea48347b..a4ce7581553b1f4e29a7ed2141add788e56142c5:/src/redis.h diff --git a/src/redis.h b/src/redis.h index 043825af..3639f062 100644 --- a/src/redis.h +++ b/src/redis.h @@ -209,6 +209,7 @@ #define REDIS_MAXMEMORY_VOLATILE_RANDOM 2 #define REDIS_MAXMEMORY_ALLKEYS_LRU 3 #define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4 +#define REDIS_MAXMEMORY_NO_EVICTION 5 /* We can print the stacktrace, so our assert is defined this way: */ #define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1))) @@ -292,6 +293,16 @@ typedef struct multiState { int count; /* Total number of MULTI commands */ } multiState; +typedef struct blockingState { + robj **keys; /* The key we are waiting to terminate a blocking + * operation such as BLPOP. Otherwise NULL. */ + int count; /* Number of blocking keys */ + time_t timeout; /* Blocking operation timeout. If UNIX current time + * is >= timeout then the operation timed out. */ + robj *target; /* The key that should receive the element, + * for BRPOPLPUSH. */ +} blockingState; + /* With multiplexing we need to take per-clinet state. * Clients are taken in a liked list. */ typedef struct redisClient { @@ -315,11 +326,7 @@ typedef struct redisClient { long repldboff; /* replication DB file offset */ off_t repldbsize; /* replication DB file size */ multiState mstate; /* MULTI/EXEC state */ - robj **blocking_keys; /* The key we are waiting to terminate a blocking - * operation such as BLPOP. Otherwise NULL. */ - int blocking_keys_num; /* Number of blocking keys */ - time_t blockingto; /* Blocking operation timeout. If UNIX current time - * is >= blockingto then the operation timed out. */ + blockingState bpop; /* blocking state */ list *io_keys; /* Keys this client is waiting to be loaded from the * swap file in order to continue. */ list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */ @@ -340,7 +347,7 @@ struct sharedObjectsStruct { robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space, *colon, *nullbulk, *nullmultibulk, *queued, *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr, - *outofrangeerr, *plus, + *outofrangeerr, *loadingerr, *plus, *select0, *select1, *select2, *select3, *select4, *select5, *select6, *select7, *select8, *select9, *messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk, *mbulk3, @@ -361,6 +368,11 @@ struct redisServer { long long dirty_before_bgsave; /* used to restore dirty on failed BGSAVE */ list *clients; dict *commands; /* Command table hahs table */ + /* RDB / AOF loading information */ + int loading; + off_t loading_total_bytes; + off_t loading_loaded_bytes; + time_t loading_start_time; /* Fast pointers to often looked up command */ struct redisCommand *delCommand, *multiCommand; list *slaves, *monitors; @@ -421,8 +433,9 @@ struct redisServer { int maxmemory_policy; int maxmemory_samples; /* Blocked clients */ - unsigned int blpop_blocked_clients; + unsigned int bpop_blocked_clients; unsigned int vm_blocked_clients; + list *unblocked_clients; /* Sort parameters - qsort_r() is only available under BSD so we * have to take this state global, in order to pass it to sortCompare() */ int sort_desc; @@ -475,7 +488,6 @@ struct redisServer { dict *pubsub_channels; /* Map channels to list of subscribed clients */ list *pubsub_patterns; /* A list of pubsub_patterns */ /* Misc */ - FILE *devnull; unsigned lruclock:22; /* clock incrementing every minute, for LRU */ unsigned lruclock_padding:10; }; @@ -726,14 +738,19 @@ int syncWithMaster(void); void updateSlavesWaitingBgsave(int bgsaveerr); void replicationCron(void); +/* Generic persistence functions */ +void startLoading(FILE *fp); +void loadingProgress(off_t pos); +void stopLoading(void); + /* RDB persistence */ int rdbLoad(char *filename); int rdbSaveBackground(char *filename); void rdbRemoveTempFile(pid_t childpid); int rdbSave(char *filename); int rdbSaveObject(FILE *fp, robj *o); -off_t rdbSavedObjectPages(robj *o, FILE *fp); -off_t rdbSavedObjectLen(robj *o, FILE *fp); +off_t rdbSavedObjectLen(robj *o); +off_t rdbSavedObjectPages(robj *o); robj *rdbLoadObject(int type, FILE *fp); void backgroundSaveDoneHandler(int statloc); @@ -922,7 +939,7 @@ void flushdbCommand(redisClient *c); void flushallCommand(redisClient *c); void sortCommand(redisClient *c); void lremCommand(redisClient *c); -void rpoplpushcommand(redisClient *c); +void rpoplpushCommand(redisClient *c); void infoCommand(redisClient *c); void mgetCommand(redisClient *c); void monitorCommand(redisClient *c); @@ -951,6 +968,7 @@ void execCommand(redisClient *c); void discardCommand(redisClient *c); void blpopCommand(redisClient *c); void brpopCommand(redisClient *c); +void brpoplpushCommand(redisClient *c); void appendCommand(redisClient *c); void substrCommand(redisClient *c); void strlenCommand(redisClient *c);