X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/d08fac3eb9af712a4835773d7d6e58bdac465991..f6433915fea3ed68a26f7af42becc14f9483acac:/src/redis.h diff --git a/src/redis.h b/src/redis.h index 9cec4c46..d26e3c79 100644 --- a/src/redis.h +++ b/src/redis.h @@ -41,7 +41,6 @@ #define REDIS_STATIC_ARGS 8 #define REDIS_DEFAULT_DBNUM 16 #define REDIS_CONFIGLINE_MAX 1024 -#define REDIS_OBJFREELIST_MAX 1000000 /* Max number of objects to cache */ #define REDIS_MAX_SYNC_TIME 60 /* Slave can't take more to sync */ #define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */ #define REDIS_MAX_WRITE_PER_EVENT (1024*64) @@ -57,15 +56,15 @@ /* Hash table parameters */ #define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */ -/* Command flags */ -#define REDIS_CMD_BULK 1 /* Bulk write command */ -#define REDIS_CMD_INLINE 2 /* Inline command */ -/* REDIS_CMD_DENYOOM reserves a longer comment: all the commands marked with - this flags will return an error when the 'maxmemory' option is set in the - config file and the server is using more than maxmemory bytes of memory. - In short this commands are denied on low memory conditions. */ -#define REDIS_CMD_DENYOOM 4 -#define REDIS_CMD_FORCE_REPLICATION 8 /* Force replication even if dirty is 0 */ +/* Command flags: + * REDIS_CMD_DENYOOM: + * Commands marked with this flag will return an error when 'maxmemory' is + * set and the server is using more than 'maxmemory' bytes of memory. + * In short: commands with this flag are denied on low memory conditions. + * REDIS_CMD_FORCE_REPLICATION: + * Force replication even if dirty is 0. */ +#define REDIS_CMD_DENYOOM 4 +#define REDIS_CMD_FORCE_REPLICATION 8 /* Object types */ #define REDIS_STRING 0 @@ -144,11 +143,17 @@ #define REDIS_BLOCKED 16 /* The client is waiting in a blocking operation */ #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. */ + +/* Client request types */ +#define REDIS_REQ_INLINE 1 +#define REDIS_REQ_MULTIBULK 2 /* Slave replication state - slave side */ #define REDIS_REPL_NONE 0 /* No active replication */ #define REDIS_REPL_CONNECT 1 /* Must connect to master */ -#define REDIS_REPL_CONNECTED 2 /* Connected to master */ +#define REDIS_REPL_TRANSFER 2 /* Receiving .rdb from master */ +#define REDIS_REPL_CONNECTED 3 /* Connected to master */ /* Slave replication state - from the point of view of master * Note that in SEND_BULK and ONLINE state the slave receives new updates @@ -294,11 +299,11 @@ typedef struct redisClient { redisDb *db; int dictid; sds querybuf; - robj **argv, **mbargv; - char *newline; /* pointing to the detected newline in querybuf */ - int argc, mbargc; - long bulklen; /* bulk read len. -1 if not in bulk read mode */ - int multibulk; /* multi bulk command format active */ + int argc; + robj **argv; + int reqtype; + int multibulklen; /* number of multi bulk arguments left to read */ + long bulklen; /* length of bulk argument in multi bulk request */ list *reply; int sentlen; time_t lastinteraction; /* time of the last interaction, used for timeout */ @@ -347,16 +352,20 @@ struct sharedObjectsStruct { struct redisServer { pthread_t mainthread; int port; - int fd; + 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 */ + struct redisCommand *delCommand, *multiCommand; /* often lookedup cmds */ list *slaves, *monitors; char neterr[ANET_ERR_LEN]; aeEventLoop *el; int cronloops; /* number of times the cron function run */ - list *objfreelist; /* A list of freed objects to avoid malloc() */ time_t lastsave; /* Unix time of last save succeeede */ /* Fields used only for stats */ time_t stat_starttime; /* server start time */ @@ -386,7 +395,6 @@ struct redisServer { struct saveparam *saveparams; int saveparamslen; char *logfile; - char *bindaddr; char *dbfilename; char *appendfilename; char *requirepass; @@ -394,15 +402,23 @@ struct redisServer { int activerehashing; /* Replication related */ int isslave; + /* Slave specific fields */ char *masterauth; char *masterhost; int masterport; redisClient *master; /* client that is master for this slave */ - int replstate; + int replstate; /* replication status if the instance is a slave */ + off_t repl_transfer_left; /* bytes left reading .rdb */ + int repl_transfer_s; /* slave -> master SYNC socket */ + int repl_transfer_fd; /* slave -> master SYNC temp file descriptor */ + char *repl_transfer_tmpfile; /* slave-> master SYNC temp file name */ + time_t repl_transfer_lastio; /* unix time of the latest read, for timeout */ + /* Limits */ unsigned int maxclients; unsigned long long maxmemory; int maxmemory_policy; int maxmemory_samples; + /* Blocked clients */ unsigned int blpop_blocked_clients; unsigned int vm_blocked_clients; /* Sort parameters - qsort_r() is only available under BSD so we @@ -438,7 +454,6 @@ struct redisServer { list *io_processed; /* List of VM I/O jobs already processed */ list *io_ready_clients; /* Clients ready to be unblocked. All keys loaded */ pthread_mutex_t io_mutex; /* lock to access io_jobs/io_done/io_thread_job */ - pthread_mutex_t obj_freelist_mutex; /* safe redis objects creation/free */ pthread_mutex_t io_swapfile_mutex; /* So we can lseek + write */ pthread_attr_t io_threads_attr; /* attributes for threads creation */ int io_active_threads; /* Number of running I/O threads */ @@ -612,7 +627,8 @@ void *addDeferredMultiBulkLength(redisClient *c); void setDeferredMultiBulkLength(redisClient *c, void *node, long length); void addReplySds(redisClient *c, sds s); void processInputBuffer(redisClient *c); -void acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask); +void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask); +void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask); void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask); void addReplyBulk(redisClient *c, robj *obj); void addReplyBulkCString(redisClient *c, char *s); @@ -675,7 +691,6 @@ robj *dupStringObject(robj *o); robj *tryObjectEncoding(robj *o); robj *getDecodedObject(robj *o); size_t stringObjectLen(robj *o); -int tryFreeOneObjectFromFreelist(void); robj *createStringObjectFromLongLong(long long value); robj *createListObject(void); robj *createZiplistObject(void); @@ -700,12 +715,14 @@ int syncReadLine(int fd, char *ptr, ssize_t size, int timeout); int fwriteBulkString(FILE *fp, char *s, unsigned long len); int fwriteBulkDouble(FILE *fp, double d); int fwriteBulkLongLong(FILE *fp, long long l); +int fwriteBulkObject(FILE *fp, robj *obj); /* Replication */ void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc); void replicationFeedMonitors(list *monitors, int dictid, robj **argv, int argc); int syncWithMaster(void); void updateSlavesWaitingBgsave(int bgsaveerr); +void replicationCron(void); /* RDB persistence */ int rdbLoad(char *filename); @@ -737,7 +754,8 @@ zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj); void freeMemoryIfNeeded(void); int processCommand(redisClient *c); void setupSigSegvAction(void); -struct redisCommand *lookupCommand(char *name); +struct redisCommand *lookupCommand(sds name); +struct redisCommand *lookupCommandByCString(char *s); void call(redisClient *c, struct redisCommand *cmd); int prepareForShutdown(); void redisLog(int level, const char *fmt, ...); @@ -745,6 +763,7 @@ void usage(); void updateDictResizePolicy(void); int htNeedsResize(dict *dict); void oom(const char *msg); +void populateCommandTable(void); /* Virtual Memory */ void vmInit(void); @@ -918,6 +937,7 @@ void zaddCommand(redisClient *c); void zincrbyCommand(redisClient *c); void zrangeCommand(redisClient *c); void zrangebyscoreCommand(redisClient *c); +void zrevrangebyscoreCommand(redisClient *c); void zcountCommand(redisClient *c); void zrevrangeCommand(redisClient *c); void zcardCommand(redisClient *c);