#define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */
#define REDIS_MAX_WRITE_PER_EVENT (1024*64)
#define REDIS_SHARED_INTEGERS 10000
+#define REDIS_SHARED_BULKHDR_LEN 32
#define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */
#define REDIS_AOF_REWRITE_PERC 100
#define REDIS_AOF_REWRITE_MIN_SIZE (1024*1024)
#define REDIS_CMD_PUBSUB 32 /* "p" flag */
#define REDIS_CMD_NOSCRIPT 64 /* "s" flag */
#define REDIS_CMD_RANDOM 128 /* "R" flag */
+#define REDIS_CMD_SORT_FOR_SCRIPT 256 /* "S" flag */
/* Object types */
#define REDIS_STRING 0
server.unblocked_clients */
#define REDIS_LUA_CLIENT 512 /* This is a non connected client used by Lua */
#define REDIS_ASKING 1024 /* Client issued the ASKING command */
+#define REDIS_CLOSE_ASAP 2048 /* Close this client ASAP */
/* Client request types */
#define REDIS_REQ_INLINE 1
#define REDIS_REQ_MULTIBULK 2
+/* Client classes for client limits, currently used only for
+ * the max-client-output-buffer limit implementation. */
+#define REDIS_CLIENT_LIMIT_CLASS_NORMAL 0
+#define REDIS_CLIENT_LIMIT_CLASS_SLAVE 1
+#define REDIS_CLIENT_LIMIT_CLASS_PUBSUB 2
+#define REDIS_CLIENT_LIMIT_NUM_CLASSES 3
+
/* Slave replication state - slave side */
#define REDIS_REPL_NONE 0 /* No active replication */
#define REDIS_REPL_CONNECT 1 /* Must connect to master */
points are configured. */
#define REDIS_SHUTDOWN_NOSAVE 2 /* Don't SAVE on SHUTDOWN. */
+/* Command call flags, see call() function */
+#define REDIS_CALL_NONE 0
+#define REDIS_CALL_SLOWLOG 1
+#define REDIS_CALL_STATS 2
+#define REDIS_CALL_PROPAGATE 4
+#define REDIS_CALL_FULL (REDIS_CALL_SLOWLOG | REDIS_CALL_STATS | REDIS_CALL_PROPAGATE)
+
/* We can print the stacktrace, so our assert is defined this way: */
#define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
#define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
int multibulklen; /* number of multi bulk arguments left to read */
long bulklen; /* length of bulk argument in multi bulk request */
list *reply;
+ unsigned long reply_bytes; /* Tot bytes of objects in reply list */
int sentlen;
time_t lastinteraction; /* time of the last interaction, used for timeout */
+ time_t obuf_soft_limit_reached_time;
int flags; /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */
int slaveseldb; /* slave selected db, if this client is a slave */
int authenticated; /* when requirepass is non-NULL */
*outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *plus,
*select0, *select1, *select2, *select3, *select4,
*select5, *select6, *select7, *select8, *select9,
- *messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk, *mbulk3,
- *mbulk4, *psubscribebulk, *punsubscribebulk,
- *integers[REDIS_SHARED_INTEGERS];
+ *messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk,
+ *psubscribebulk, *punsubscribebulk, *del,
+ *integers[REDIS_SHARED_INTEGERS],
+ *mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
+ *bulkhdr[REDIS_SHARED_BULKHDR_LEN]; /* "$<value>\r\n" */
};
/* ZSETs use a specialized version of Skiplists */
zskiplist *zsl;
} zset;
+typedef struct clientBufferLimitsConfig {
+ unsigned long long hard_limit_bytes;
+ unsigned long long soft_limit_bytes;
+ time_t soft_limit_seconds;
+} clientBufferLimitsConfig;
+
/*-----------------------------------------------------------------------------
* Redis cluster data structures
*----------------------------------------------------------------------------*/
int activerehashing; /* Incremental rehash in serverCron() */
char *requirepass; /* Pass for AUTH command, or NULL */
char *pidfile; /* PID file path */
+ int arch_bits; /* 32 or 64 depending on sizeof(long) */
/* Networking */
int port; /* TCP listening port */
char *bindaddr; /* Bind address or NULL */
int sofd; /* Unix socket file descriptor */
int cfd; /* Cluster bus lisetning socket */
list *clients; /* List of active clients */
+ list *clients_to_close; /* Clients to close asynchronously */
list *slaves, *monitors; /* List of slaves and MONITORs */
redisClient *current_client; /* Current client, only used on crash report */
char neterr[ANET_ERR_LEN]; /* Error buffer for anet.c */
size_t client_max_querybuf_len; /* Limit for client query buffer length */
int dbnum; /* Total number of configured DBs */
int daemonize; /* True if running as a daemon */
+ clientBufferLimitsConfig client_obuf_limits[REDIS_CLIENT_LIMIT_NUM_CLASSES];
/* AOF persistence */
int aof_state; /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */
int aof_fsync; /* Kind of fsync() policy */
list *unblocked_clients; /* list of clients to unblock before next loop */
/* 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_dontsort;
int sort_desc;
int sort_alpha;
int sort_bypattern;
sds getAllClientsInfoString(void);
void rewriteClientCommandVector(redisClient *c, int argc, ...);
void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);
+unsigned long getClientOutputBufferMemoryUsage(redisClient *c);
+void freeClientsInAsyncFreeQueue(void);
+void asyncCloseClientOnOutputBufferLimitReached(redisClient *c);
+int getClientLimitClassByName(char *name);
+char *getClientLimitClassName(int class);
+void flushSlavesOutputBuffers(void);
#ifdef __GNUC__
void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
void listTypePush(robj *subject, robj *value, int where);
robj *listTypePop(robj *subject, int where);
unsigned long listTypeLength(robj *subject);
-listTypeIterator *listTypeInitIterator(robj *subject, int index, unsigned char direction);
+listTypeIterator *listTypeInitIterator(robj *subject, long index, unsigned char direction);
void listTypeReleaseIterator(listTypeIterator *li);
int listTypeNext(listTypeIterator *li, listTypeEntry *entry);
robj *listTypeGet(listTypeEntry *entry);
void zsetConvert(robj *zobj, int encoding);
/* Core functions */
-void freeMemoryIfNeeded(void);
+int freeMemoryIfNeeded(void);
int processCommand(redisClient *c);
void setupSignalHandlers(void);
struct redisCommand *lookupCommand(sds name);
struct redisCommand *lookupCommandByCString(char *s);
-void call(redisClient *c);
+void call(redisClient *c, int flags);
int prepareForShutdown();
void redisLog(int level, const char *fmt, ...);
void redisLogRaw(int level, const char *msg);