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1 #ifndef __REDIS_H
2 #define __REDIS_H
3
4 #include "fmacros.h"
5 #include "config.h"
6
7 #if defined(__sun)
8 #include "solarisfixes.h"
9 #endif
10
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <string.h>
14 #include <time.h>
15 #include <limits.h>
16 #include <unistd.h>
17 #include <errno.h>
18 #include <inttypes.h>
19 #include <pthread.h>
20 #include <syslog.h>
21 #include <netinet/in.h>
22 #include <lua.h>
23
24 #include "ae.h" /* Event driven programming library */
25 #include "sds.h" /* Dynamic safe strings */
26 #include "dict.h" /* Hash tables */
27 #include "adlist.h" /* Linked lists */
28 #include "zmalloc.h" /* total memory usage aware version of malloc/free */
29 #include "anet.h" /* Networking the easy way */
30 #include "zipmap.h" /* Compact string -> string data structure */
31 #include "ziplist.h" /* Compact list data structure */
32 #include "intset.h" /* Compact integer set structure */
33 #include "version.h" /* Version macro */
34 #include "util.h" /* Misc functions useful in many places */
35
36 /* Error codes */
37 #define REDIS_OK 0
38 #define REDIS_ERR -1
39
40 /* Static server configuration */
41 #define REDIS_SERVERPORT 6379 /* TCP port */
42 #define REDIS_MAXIDLETIME (60*5) /* default client timeout */
43 #define REDIS_IOBUF_LEN 1024
44 #define REDIS_LOADBUF_LEN 1024
45 #define REDIS_DEFAULT_DBNUM 16
46 #define REDIS_CONFIGLINE_MAX 1024
47 #define REDIS_MAX_SYNC_TIME 60 /* Slave can't take more to sync */
48 #define REDIS_EXPIRELOOKUPS_PER_CRON 10 /* lookup 10 expires per loop */
49 #define REDIS_MAX_WRITE_PER_EVENT (1024*64)
50 #define REDIS_REQUEST_MAX_SIZE (1024*1024*256) /* max bytes in inline command */
51 #define REDIS_SHARED_INTEGERS 10000
52 #define REDIS_REPLY_CHUNK_BYTES (5*1500) /* 5 TCP packets with default MTU */
53 #define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */
54 #define REDIS_AUTO_AOFREWRITE_PERC 100
55 #define REDIS_AUTO_AOFREWRITE_MIN_SIZE (1024*1024)
56 #define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000
57 #define REDIS_SLOWLOG_MAX_LEN 64
58
59 /* Hash table parameters */
60 #define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */
61
62 /* Command flags. Please check the command table defined in the redis.c file
63 * for more information about the meaning of every flag. */
64 #define REDIS_CMD_WRITE 1 /* "w" flag */
65 #define REDIS_CMD_READONLY 2 /* "r" flag */
66 #define REDIS_CMD_DENYOOM 4 /* "m" flag */
67 #define REDIS_CMD_FORCE_REPLICATION 8 /* "f" flag */
68 #define REDIS_CMD_ADMIN 16 /* "a" flag */
69 #define REDIS_CMD_PUBSUB 32 /* "p" flag */
70 #define REDIS_CMD_NOSCRIPT 64 /* "s" flag */
71 #define REDIS_CMD_RANDOM 128 /* "R" flag */
72
73 /* Object types */
74 #define REDIS_STRING 0
75 #define REDIS_LIST 1
76 #define REDIS_SET 2
77 #define REDIS_ZSET 3
78 #define REDIS_HASH 4
79 #define REDIS_VMPOINTER 8
80
81 /* Objects encoding. Some kind of objects like Strings and Hashes can be
82 * internally represented in multiple ways. The 'encoding' field of the object
83 * is set to one of this fields for this object. */
84 #define REDIS_ENCODING_RAW 0 /* Raw representation */
85 #define REDIS_ENCODING_INT 1 /* Encoded as integer */
86 #define REDIS_ENCODING_HT 2 /* Encoded as hash table */
87 #define REDIS_ENCODING_ZIPMAP 3 /* Encoded as zipmap */
88 #define REDIS_ENCODING_LINKEDLIST 4 /* Encoded as regular linked list */
89 #define REDIS_ENCODING_ZIPLIST 5 /* Encoded as ziplist */
90 #define REDIS_ENCODING_INTSET 6 /* Encoded as intset */
91 #define REDIS_ENCODING_SKIPLIST 7 /* Encoded as skiplist */
92
93 /* Object types only used for dumping to disk */
94 #define REDIS_EXPIRETIME 253
95 #define REDIS_SELECTDB 254
96 #define REDIS_EOF 255
97
98 /* Defines related to the dump file format. To store 32 bits lengths for short
99 * keys requires a lot of space, so we check the most significant 2 bits of
100 * the first byte to interpreter the length:
101 *
102 * 00|000000 => if the two MSB are 00 the len is the 6 bits of this byte
103 * 01|000000 00000000 => 01, the len is 14 byes, 6 bits + 8 bits of next byte
104 * 10|000000 [32 bit integer] => if it's 01, a full 32 bit len will follow
105 * 11|000000 this means: specially encoded object will follow. The six bits
106 * number specify the kind of object that follows.
107 * See the REDIS_RDB_ENC_* defines.
108 *
109 * Lenghts up to 63 are stored using a single byte, most DB keys, and may
110 * values, will fit inside. */
111 #define REDIS_RDB_6BITLEN 0
112 #define REDIS_RDB_14BITLEN 1
113 #define REDIS_RDB_32BITLEN 2
114 #define REDIS_RDB_ENCVAL 3
115 #define REDIS_RDB_LENERR UINT_MAX
116
117 /* When a length of a string object stored on disk has the first two bits
118 * set, the remaining two bits specify a special encoding for the object
119 * accordingly to the following defines: */
120 #define REDIS_RDB_ENC_INT8 0 /* 8 bit signed integer */
121 #define REDIS_RDB_ENC_INT16 1 /* 16 bit signed integer */
122 #define REDIS_RDB_ENC_INT32 2 /* 32 bit signed integer */
123 #define REDIS_RDB_ENC_LZF 3 /* string compressed with FASTLZ */
124
125 /* Client flags */
126 #define REDIS_SLAVE 1 /* This client is a slave server */
127 #define REDIS_MASTER 2 /* This client is a master server */
128 #define REDIS_MONITOR 4 /* This client is a slave monitor, see MONITOR */
129 #define REDIS_MULTI 8 /* This client is in a MULTI context */
130 #define REDIS_BLOCKED 16 /* The client is waiting in a blocking operation */
131 #define REDIS_DIRTY_CAS 64 /* Watched keys modified. EXEC will fail. */
132 #define REDIS_CLOSE_AFTER_REPLY 128 /* Close after writing entire reply. */
133 #define REDIS_UNBLOCKED 256 /* This client was unblocked and is stored in
134 server.unblocked_clients */
135 #define REDIS_LUA_CLIENT 512 /* This is a non connected client used by Lua */
136 #define REDIS_ASKING 1024 /* Client issued the ASKING command */
137
138 /* Client request types */
139 #define REDIS_REQ_INLINE 1
140 #define REDIS_REQ_MULTIBULK 2
141
142 /* Slave replication state - slave side */
143 #define REDIS_REPL_NONE 0 /* No active replication */
144 #define REDIS_REPL_CONNECT 1 /* Must connect to master */
145 #define REDIS_REPL_CONNECTING 2 /* Connecting to master */
146 #define REDIS_REPL_TRANSFER 3 /* Receiving .rdb from master */
147 #define REDIS_REPL_CONNECTED 4 /* Connected to master */
148
149 /* Synchronous read timeout - slave side */
150 #define REDIS_REPL_SYNCIO_TIMEOUT 5
151
152 /* Slave replication state - from the point of view of master
153 * Note that in SEND_BULK and ONLINE state the slave receives new updates
154 * in its output queue. In the WAIT_BGSAVE state instead the server is waiting
155 * to start the next background saving in order to send updates to it. */
156 #define REDIS_REPL_WAIT_BGSAVE_START 3 /* master waits bgsave to start feeding it */
157 #define REDIS_REPL_WAIT_BGSAVE_END 4 /* master waits bgsave to start bulk DB transmission */
158 #define REDIS_REPL_SEND_BULK 5 /* master is sending the bulk DB */
159 #define REDIS_REPL_ONLINE 6 /* bulk DB already transmitted, receive updates */
160
161 /* List related stuff */
162 #define REDIS_HEAD 0
163 #define REDIS_TAIL 1
164
165 /* Sort operations */
166 #define REDIS_SORT_GET 0
167 #define REDIS_SORT_ASC 1
168 #define REDIS_SORT_DESC 2
169 #define REDIS_SORTKEY_MAX 1024
170
171 /* Log levels */
172 #define REDIS_DEBUG 0
173 #define REDIS_VERBOSE 1
174 #define REDIS_NOTICE 2
175 #define REDIS_WARNING 3
176 #define REDIS_LOG_RAW (1<<10) /* Modifier to log without timestamp */
177
178 /* Anti-warning macro... */
179 #define REDIS_NOTUSED(V) ((void) V)
180
181 #define ZSKIPLIST_MAXLEVEL 32 /* Should be enough for 2^32 elements */
182 #define ZSKIPLIST_P 0.25 /* Skiplist P = 1/4 */
183
184 /* Append only defines */
185 #define APPENDFSYNC_NO 0
186 #define APPENDFSYNC_ALWAYS 1
187 #define APPENDFSYNC_EVERYSEC 2
188
189 /* Zip structure related defaults */
190 #define REDIS_HASH_MAX_ZIPMAP_ENTRIES 512
191 #define REDIS_HASH_MAX_ZIPMAP_VALUE 64
192 #define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
193 #define REDIS_LIST_MAX_ZIPLIST_VALUE 64
194 #define REDIS_SET_MAX_INTSET_ENTRIES 512
195 #define REDIS_ZSET_MAX_ZIPLIST_ENTRIES 128
196 #define REDIS_ZSET_MAX_ZIPLIST_VALUE 64
197
198 /* Sets operations codes */
199 #define REDIS_OP_UNION 0
200 #define REDIS_OP_DIFF 1
201 #define REDIS_OP_INTER 2
202
203 /* Redis maxmemory strategies */
204 #define REDIS_MAXMEMORY_VOLATILE_LRU 0
205 #define REDIS_MAXMEMORY_VOLATILE_TTL 1
206 #define REDIS_MAXMEMORY_VOLATILE_RANDOM 2
207 #define REDIS_MAXMEMORY_ALLKEYS_LRU 3
208 #define REDIS_MAXMEMORY_ALLKEYS_RANDOM 4
209 #define REDIS_MAXMEMORY_NO_EVICTION 5
210
211 /* Scripting */
212 #define REDIS_LUA_TIME_LIMIT 5000 /* milliseconds */
213
214 /* We can print the stacktrace, so our assert is defined this way: */
215 #define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
216 #define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
217 #define redisPanic(_e) _redisPanic(#_e,__FILE__,__LINE__),_exit(1)
218
219 /*-----------------------------------------------------------------------------
220 * Data types
221 *----------------------------------------------------------------------------*/
222
223 /* A redis object, that is a type able to hold a string / list / set */
224
225 /* The actual Redis Object */
226 #define REDIS_LRU_CLOCK_MAX ((1<<21)-1) /* Max value of obj->lru */
227 #define REDIS_LRU_CLOCK_RESOLUTION 10 /* LRU clock resolution in seconds */
228 typedef struct redisObject {
229 unsigned type:4;
230 unsigned notused:2; /* Not used */
231 unsigned encoding:4;
232 unsigned lru:22; /* lru time (relative to server.lruclock) */
233 int refcount;
234 void *ptr;
235 /* VM fields are only allocated if VM is active, otherwise the
236 * object allocation function will just allocate
237 * sizeof(redisObjct) minus sizeof(redisObjectVM), so using
238 * Redis without VM active will not have any overhead. */
239 } robj;
240
241 /* The VM pointer structure - identifies an object in the swap file.
242 *
243 * This object is stored in place of the value
244 * object in the main key->value hash table representing a database.
245 * Note that the first fields (type, storage) are the same as the redisObject
246 * structure so that vmPointer strucuters can be accessed even when casted
247 * as redisObject structures.
248 *
249 * This is useful as we don't know if a value object is or not on disk, but we
250 * are always able to read obj->storage to check this. For vmPointer
251 * structures "type" is set to REDIS_VMPOINTER (even if without this field
252 * is still possible to check the kind of object from the value of 'storage').*/
253 typedef struct vmPointer {
254 unsigned type:4;
255 unsigned storage:2; /* REDIS_VM_SWAPPED or REDIS_VM_LOADING */
256 unsigned notused:26;
257 unsigned int vtype; /* type of the object stored in the swap file */
258 off_t page; /* the page at witch the object is stored on disk */
259 off_t usedpages; /* number of pages used on disk */
260 } vmpointer;
261
262 /* Macro used to initalize a Redis object allocated on the stack.
263 * Note that this macro is taken near the structure definition to make sure
264 * we'll update it when the structure is changed, to avoid bugs like
265 * bug #85 introduced exactly in this way. */
266 #define initStaticStringObject(_var,_ptr) do { \
267 _var.refcount = 1; \
268 _var.type = REDIS_STRING; \
269 _var.encoding = REDIS_ENCODING_RAW; \
270 _var.ptr = _ptr; \
271 } while(0);
272
273 typedef struct redisDb {
274 dict *dict; /* The keyspace for this DB */
275 dict *expires; /* Timeout of keys with a timeout set */
276 dict *blocking_keys; /* Keys with clients waiting for data (BLPOP) */
277 dict *watched_keys; /* WATCHED keys for MULTI/EXEC CAS */
278 int id;
279 } redisDb;
280
281 /* Client MULTI/EXEC state */
282 typedef struct multiCmd {
283 robj **argv;
284 int argc;
285 struct redisCommand *cmd;
286 } multiCmd;
287
288 typedef struct multiState {
289 multiCmd *commands; /* Array of MULTI commands */
290 int count; /* Total number of MULTI commands */
291 } multiState;
292
293 typedef struct blockingState {
294 robj **keys; /* The key we are waiting to terminate a blocking
295 * operation such as BLPOP. Otherwise NULL. */
296 int count; /* Number of blocking keys */
297 time_t timeout; /* Blocking operation timeout. If UNIX current time
298 * is >= timeout then the operation timed out. */
299 robj *target; /* The key that should receive the element,
300 * for BRPOPLPUSH. */
301 } blockingState;
302
303 /* With multiplexing we need to take per-clinet state.
304 * Clients are taken in a liked list. */
305 typedef struct redisClient {
306 int fd;
307 redisDb *db;
308 int dictid;
309 sds querybuf;
310 int argc;
311 robj **argv;
312 struct redisCommand *cmd;
313 int reqtype;
314 int multibulklen; /* number of multi bulk arguments left to read */
315 long bulklen; /* length of bulk argument in multi bulk request */
316 list *reply;
317 int sentlen;
318 time_t lastinteraction; /* time of the last interaction, used for timeout */
319 int flags; /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */
320 int slaveseldb; /* slave selected db, if this client is a slave */
321 int authenticated; /* when requirepass is non-NULL */
322 int replstate; /* replication state if this is a slave */
323 int repldbfd; /* replication DB file descriptor */
324 long repldboff; /* replication DB file offset */
325 off_t repldbsize; /* replication DB file size */
326 multiState mstate; /* MULTI/EXEC state */
327 blockingState bpop; /* blocking state */
328 list *io_keys; /* Keys this client is waiting to be loaded from the
329 * swap file in order to continue. */
330 list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */
331 dict *pubsub_channels; /* channels a client is interested in (SUBSCRIBE) */
332 list *pubsub_patterns; /* patterns a client is interested in (SUBSCRIBE) */
333
334 /* Response buffer */
335 int bufpos;
336 char buf[REDIS_REPLY_CHUNK_BYTES];
337 } redisClient;
338
339 struct saveparam {
340 time_t seconds;
341 int changes;
342 };
343
344 struct sharedObjectsStruct {
345 robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space,
346 *colon, *nullbulk, *nullmultibulk, *queued,
347 *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
348 *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *plus,
349 *select0, *select1, *select2, *select3, *select4,
350 *select5, *select6, *select7, *select8, *select9,
351 *messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk, *mbulk3,
352 *mbulk4, *psubscribebulk, *punsubscribebulk,
353 *integers[REDIS_SHARED_INTEGERS];
354 };
355
356 /* ZSETs use a specialized version of Skiplists */
357 typedef struct zskiplistNode {
358 robj *obj;
359 double score;
360 struct zskiplistNode *backward;
361 struct zskiplistLevel {
362 struct zskiplistNode *forward;
363 unsigned int span;
364 } level[];
365 } zskiplistNode;
366
367 typedef struct zskiplist {
368 struct zskiplistNode *header, *tail;
369 unsigned long length;
370 int level;
371 } zskiplist;
372
373 typedef struct zset {
374 dict *dict;
375 zskiplist *zsl;
376 } zset;
377
378 /*-----------------------------------------------------------------------------
379 * Redis cluster data structures
380 *----------------------------------------------------------------------------*/
381
382 #define REDIS_CLUSTER_SLOTS 4096
383 #define REDIS_CLUSTER_OK 0 /* Everything looks ok */
384 #define REDIS_CLUSTER_FAIL 1 /* The cluster can't work */
385 #define REDIS_CLUSTER_NEEDHELP 2 /* The cluster works, but needs some help */
386 #define REDIS_CLUSTER_NAMELEN 40 /* sha1 hex length */
387 #define REDIS_CLUSTER_PORT_INCR 10000 /* Cluster port = baseport + PORT_INCR */
388
389 struct clusterNode;
390
391 /* clusterLink encapsulates everything needed to talk with a remote node. */
392 typedef struct clusterLink {
393 int fd; /* TCP socket file descriptor */
394 sds sndbuf; /* Packet send buffer */
395 sds rcvbuf; /* Packet reception buffer */
396 struct clusterNode *node; /* Node related to this link if any, or NULL */
397 } clusterLink;
398
399 /* Node flags */
400 #define REDIS_NODE_MASTER 1 /* The node is a master */
401 #define REDIS_NODE_SLAVE 2 /* The node is a slave */
402 #define REDIS_NODE_PFAIL 4 /* Failure? Need acknowledge */
403 #define REDIS_NODE_FAIL 8 /* The node is believed to be malfunctioning */
404 #define REDIS_NODE_MYSELF 16 /* This node is myself */
405 #define REDIS_NODE_HANDSHAKE 32 /* We have still to exchange the first ping */
406 #define REDIS_NODE_NOADDR 64 /* We don't know the address of this node */
407 #define REDIS_NODE_MEET 128 /* Send a MEET message to this node */
408 #define REDIS_NODE_NULL_NAME "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
409
410 struct clusterNode {
411 char name[REDIS_CLUSTER_NAMELEN]; /* Node name, hex string, sha1-size */
412 int flags; /* REDIS_NODE_... */
413 unsigned char slots[REDIS_CLUSTER_SLOTS/8]; /* slots handled by this node */
414 int numslaves; /* Number of slave nodes, if this is a master */
415 struct clusterNode **slaves; /* pointers to slave nodes */
416 struct clusterNode *slaveof; /* pointer to the master node */
417 time_t ping_sent; /* Unix time we sent latest ping */
418 time_t pong_received; /* Unix time we received the pong */
419 char *configdigest; /* Configuration digest of this node */
420 time_t configdigest_ts; /* Configuration digest timestamp */
421 char ip[16]; /* Latest known IP address of this node */
422 int port; /* Latest known port of this node */
423 clusterLink *link; /* TCP/IP link with this node */
424 };
425 typedef struct clusterNode clusterNode;
426
427 typedef struct {
428 char *configfile;
429 clusterNode *myself; /* This node */
430 int state; /* REDIS_CLUSTER_OK, REDIS_CLUSTER_FAIL, ... */
431 int node_timeout;
432 dict *nodes; /* Hash table of name -> clusterNode structures */
433 clusterNode *migrating_slots_to[REDIS_CLUSTER_SLOTS];
434 clusterNode *importing_slots_from[REDIS_CLUSTER_SLOTS];
435 clusterNode *slots[REDIS_CLUSTER_SLOTS];
436 zskiplist *slots_to_keys;
437 } clusterState;
438
439 /* Redis cluster messages header */
440
441 /* Note that the PING, PONG and MEET messages are actually the same exact
442 * kind of packet. PONG is the reply to ping, in the extact format as a PING,
443 * while MEET is a special PING that forces the receiver to add the sender
444 * as a node (if it is not already in the list). */
445 #define CLUSTERMSG_TYPE_PING 0 /* Ping */
446 #define CLUSTERMSG_TYPE_PONG 1 /* Pong (reply to Ping) */
447 #define CLUSTERMSG_TYPE_MEET 2 /* Meet "let's join" message */
448 #define CLUSTERMSG_TYPE_FAIL 3 /* Mark node xxx as failing */
449 #define CLUSTERMSG_TYPE_PUBLISH 4 /* Pub/Sub Publish propatagion */
450
451 /* Initially we don't know our "name", but we'll find it once we connect
452 * to the first node, using the getsockname() function. Then we'll use this
453 * address for all the next messages. */
454 typedef struct {
455 char nodename[REDIS_CLUSTER_NAMELEN];
456 uint32_t ping_sent;
457 uint32_t pong_received;
458 char ip[16]; /* IP address last time it was seen */
459 uint16_t port; /* port last time it was seen */
460 uint16_t flags;
461 uint32_t notused; /* for 64 bit alignment */
462 } clusterMsgDataGossip;
463
464 typedef struct {
465 char nodename[REDIS_CLUSTER_NAMELEN];
466 } clusterMsgDataFail;
467
468 typedef struct {
469 uint32_t channel_len;
470 uint32_t message_len;
471 unsigned char bulk_data[8]; /* defined as 8 just for alignment concerns. */
472 } clusterMsgDataPublish;
473
474 union clusterMsgData {
475 /* PING, MEET and PONG */
476 struct {
477 /* Array of N clusterMsgDataGossip structures */
478 clusterMsgDataGossip gossip[1];
479 } ping;
480
481 /* FAIL */
482 struct {
483 clusterMsgDataFail about;
484 } fail;
485
486 /* PUBLISH */
487 struct {
488 clusterMsgDataPublish msg;
489 } publish;
490 };
491
492 typedef struct {
493 uint32_t totlen; /* Total length of this message */
494 uint16_t type; /* Message type */
495 uint16_t count; /* Only used for some kind of messages. */
496 char sender[REDIS_CLUSTER_NAMELEN]; /* Name of the sender node */
497 unsigned char myslots[REDIS_CLUSTER_SLOTS/8];
498 char slaveof[REDIS_CLUSTER_NAMELEN];
499 char configdigest[32];
500 uint16_t port; /* Sender TCP base port */
501 unsigned char state; /* Cluster state from the POV of the sender */
502 unsigned char notused[5]; /* Reserved for future use. For alignment. */
503 union clusterMsgData data;
504 } clusterMsg;
505
506 /*-----------------------------------------------------------------------------
507 * Global server state
508 *----------------------------------------------------------------------------*/
509
510 struct redisServer {
511 /* General */
512 redisDb *db;
513 dict *commands; /* Command table hahs table */
514 aeEventLoop *el;
515 /* Networking */
516 int port;
517 char *bindaddr;
518 char *unixsocket;
519 mode_t unixsocketperm;
520 int ipfd;
521 int sofd;
522 int cfd;
523 list *clients;
524 list *slaves, *monitors;
525 char neterr[ANET_ERR_LEN];
526 /* RDB / AOF loading information */
527 int loading;
528 off_t loading_total_bytes;
529 off_t loading_loaded_bytes;
530 time_t loading_start_time;
531 /* Fast pointers to often looked up command */
532 struct redisCommand *delCommand, *multiCommand;
533 int cronloops; /* number of times the cron function run */
534 time_t lastsave; /* Unix time of last save succeeede */
535 /* Fields used only for stats */
536 time_t stat_starttime; /* server start time */
537 long long stat_numcommands; /* number of processed commands */
538 long long stat_numconnections; /* number of connections received */
539 long long stat_expiredkeys; /* number of expired keys */
540 long long stat_evictedkeys; /* number of evicted keys (maxmemory) */
541 long long stat_keyspace_hits; /* number of successful lookups of keys */
542 long long stat_keyspace_misses; /* number of failed lookups of keys */
543 size_t stat_peak_memory; /* max used memory record */
544 long long stat_fork_time; /* time needed to perform latets fork() */
545 list *slowlog;
546 long long slowlog_entry_id;
547 long long slowlog_log_slower_than;
548 unsigned long slowlog_max_len;
549 /* Configuration */
550 int verbosity;
551 int maxidletime;
552 int dbnum;
553 int daemonize;
554 int appendonly;
555 int appendfsync;
556 int no_appendfsync_on_rewrite;
557 int auto_aofrewrite_perc; /* Rewrite AOF if % growth is > M and... */
558 off_t auto_aofrewrite_min_size; /* the AOF file is at least N bytes. */
559 off_t auto_aofrewrite_base_size;/* AOF size on latest startup or rewrite. */
560 off_t appendonly_current_size; /* AOF current size. */
561 int aofrewrite_scheduled; /* Rewrite once BGSAVE terminates. */
562 int shutdown_asap;
563 int activerehashing;
564 char *requirepass;
565 /* Persistence */
566 long long dirty; /* changes to DB from the last save */
567 long long dirty_before_bgsave; /* used to restore dirty on failed BGSAVE */
568 time_t lastfsync;
569 int appendfd;
570 int appendseldb;
571 time_t aof_flush_postponed_start;
572 char *pidfile;
573 pid_t bgsavechildpid;
574 pid_t bgrewritechildpid;
575 sds bgrewritebuf; /* buffer taken by parent during oppend only rewrite */
576 sds aofbuf; /* AOF buffer, written before entering the event loop */
577 struct saveparam *saveparams;
578 int saveparamslen;
579 char *dbfilename;
580 int rdbcompression;
581 char *appendfilename;
582 /* Logging */
583 char *logfile;
584 int syslog_enabled;
585 char *syslog_ident;
586 int syslog_facility;
587 /* Replication related */
588 int isslave;
589 /* Slave specific fields */
590 char *masterauth;
591 char *masterhost;
592 int masterport;
593 redisClient *master; /* client that is master for this slave */
594 int repl_syncio_timeout; /* timeout for synchronous I/O calls */
595 int replstate; /* replication status if the instance is a slave */
596 off_t repl_transfer_left; /* bytes left reading .rdb */
597 int repl_transfer_s; /* slave -> master SYNC socket */
598 int repl_transfer_fd; /* slave -> master SYNC temp file descriptor */
599 char *repl_transfer_tmpfile; /* slave-> master SYNC temp file name */
600 time_t repl_transfer_lastio; /* unix time of the latest read, for timeout */
601 int repl_serve_stale_data; /* Serve stale data when link is down? */
602 time_t repl_down_since; /* unix time at which link with master went down */
603 /* Limits */
604 unsigned int maxclients;
605 unsigned long long maxmemory;
606 int maxmemory_policy;
607 int maxmemory_samples;
608 /* Blocked clients */
609 unsigned int bpop_blocked_clients;
610 list *unblocked_clients; /* list of clients to unblock before next loop */
611 /* Sort parameters - qsort_r() is only available under BSD so we
612 * have to take this state global, in order to pass it to sortCompare() */
613 int sort_desc;
614 int sort_alpha;
615 int sort_bypattern;
616 /* Zip structure config */
617 size_t hash_max_zipmap_entries;
618 size_t hash_max_zipmap_value;
619 size_t list_max_ziplist_entries;
620 size_t list_max_ziplist_value;
621 size_t set_max_intset_entries;
622 size_t zset_max_ziplist_entries;
623 size_t zset_max_ziplist_value;
624 time_t unixtime; /* Unix time sampled every second. */
625 /* Pubsub */
626 dict *pubsub_channels; /* Map channels to list of subscribed clients */
627 list *pubsub_patterns; /* A list of pubsub_patterns */
628 /* Misc */
629 unsigned lruclock:22; /* clock incrementing every minute, for LRU */
630 unsigned lruclock_padding:10;
631 /* Cluster */
632 int cluster_enabled;
633 clusterState cluster;
634 /* Scripting */
635 lua_State *lua; /* The Lua interpreter. We use just one for all clients */
636 redisClient *lua_client; /* The "fake client" to query Redis from Lua */
637 dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */
638 long long lua_time_limit;
639 long long lua_time_start;
640 int lua_random_dirty; /* True if a random command was called during the
641 exection of the current script. */
642 int lua_timedout; /* True if we reached the time limit for script
643 execution. */
644 };
645
646 typedef struct pubsubPattern {
647 redisClient *client;
648 robj *pattern;
649 } pubsubPattern;
650
651 typedef void redisCommandProc(redisClient *c);
652 typedef int *redisGetKeysProc(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags);
653 struct redisCommand {
654 char *name;
655 redisCommandProc *proc;
656 int arity;
657 char *sflags; /* Flags as string represenation, one char per flag. */
658 int flags; /* The actual flags, obtained from the 'sflags' field. */
659 /* Use a function to determine keys arguments in a command line.
660 * Used for Redis Cluster redirect. */
661 redisGetKeysProc *getkeys_proc;
662 /* What keys should be loaded in background when calling this command? */
663 int firstkey; /* The first argument that's a key (0 = no keys) */
664 int lastkey; /* THe last argument that's a key */
665 int keystep; /* The step between first and last key */
666 long long microseconds, calls;
667 };
668
669 struct redisFunctionSym {
670 char *name;
671 unsigned long pointer;
672 };
673
674 typedef struct _redisSortObject {
675 robj *obj;
676 union {
677 double score;
678 robj *cmpobj;
679 } u;
680 } redisSortObject;
681
682 typedef struct _redisSortOperation {
683 int type;
684 robj *pattern;
685 } redisSortOperation;
686
687 /* Structure to hold list iteration abstraction. */
688 typedef struct {
689 robj *subject;
690 unsigned char encoding;
691 unsigned char direction; /* Iteration direction */
692 unsigned char *zi;
693 listNode *ln;
694 } listTypeIterator;
695
696 /* Structure for an entry while iterating over a list. */
697 typedef struct {
698 listTypeIterator *li;
699 unsigned char *zi; /* Entry in ziplist */
700 listNode *ln; /* Entry in linked list */
701 } listTypeEntry;
702
703 /* Structure to hold set iteration abstraction. */
704 typedef struct {
705 robj *subject;
706 int encoding;
707 int ii; /* intset iterator */
708 dictIterator *di;
709 } setTypeIterator;
710
711 /* Structure to hold hash iteration abstration. Note that iteration over
712 * hashes involves both fields and values. Because it is possible that
713 * not both are required, store pointers in the iterator to avoid
714 * unnecessary memory allocation for fields/values. */
715 typedef struct {
716 int encoding;
717 unsigned char *zi;
718 unsigned char *zk, *zv;
719 unsigned int zklen, zvlen;
720
721 dictIterator *di;
722 dictEntry *de;
723 } hashTypeIterator;
724
725 #define REDIS_HASH_KEY 1
726 #define REDIS_HASH_VALUE 2
727
728 /*-----------------------------------------------------------------------------
729 * Extern declarations
730 *----------------------------------------------------------------------------*/
731
732 extern struct redisServer server;
733 extern struct sharedObjectsStruct shared;
734 extern dictType setDictType;
735 extern dictType zsetDictType;
736 extern dictType clusterNodesDictType;
737 extern dictType dbDictType;
738 extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
739 dictType hashDictType;
740
741 /*-----------------------------------------------------------------------------
742 * Functions prototypes
743 *----------------------------------------------------------------------------*/
744
745 /* Utils */
746 long long ustime(void);
747
748 /* networking.c -- Networking and Client related operations */
749 redisClient *createClient(int fd);
750 void closeTimedoutClients(void);
751 void freeClient(redisClient *c);
752 void resetClient(redisClient *c);
753 void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask);
754 void addReply(redisClient *c, robj *obj);
755 void *addDeferredMultiBulkLength(redisClient *c);
756 void setDeferredMultiBulkLength(redisClient *c, void *node, long length);
757 void addReplySds(redisClient *c, sds s);
758 void processInputBuffer(redisClient *c);
759 void acceptTcpHandler(aeEventLoop *el, int fd, void *privdata, int mask);
760 void acceptUnixHandler(aeEventLoop *el, int fd, void *privdata, int mask);
761 void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask);
762 void addReplyBulk(redisClient *c, robj *obj);
763 void addReplyBulkCString(redisClient *c, char *s);
764 void addReplyBulkCBuffer(redisClient *c, void *p, size_t len);
765 void addReplyBulkLongLong(redisClient *c, long long ll);
766 void acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask);
767 void addReply(redisClient *c, robj *obj);
768 void addReplySds(redisClient *c, sds s);
769 void addReplyError(redisClient *c, char *err);
770 void addReplyStatus(redisClient *c, char *status);
771 void addReplyDouble(redisClient *c, double d);
772 void addReplyLongLong(redisClient *c, long long ll);
773 void addReplyMultiBulkLen(redisClient *c, long length);
774 void *dupClientReplyValue(void *o);
775 void getClientsMaxBuffers(unsigned long *longest_output_list,
776 unsigned long *biggest_input_buffer);
777 void rewriteClientCommandVector(redisClient *c, int argc, ...);
778 void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);
779
780 #ifdef __GNUC__
781 void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
782 __attribute__((format(printf, 2, 3)));
783 void addReplyStatusFormat(redisClient *c, const char *fmt, ...)
784 __attribute__((format(printf, 2, 3)));
785 #else
786 void addReplyErrorFormat(redisClient *c, const char *fmt, ...);
787 void addReplyStatusFormat(redisClient *c, const char *fmt, ...);
788 #endif
789
790 /* List data type */
791 void listTypeTryConversion(robj *subject, robj *value);
792 void listTypePush(robj *subject, robj *value, int where);
793 robj *listTypePop(robj *subject, int where);
794 unsigned long listTypeLength(robj *subject);
795 listTypeIterator *listTypeInitIterator(robj *subject, int index, unsigned char direction);
796 void listTypeReleaseIterator(listTypeIterator *li);
797 int listTypeNext(listTypeIterator *li, listTypeEntry *entry);
798 robj *listTypeGet(listTypeEntry *entry);
799 void listTypeInsert(listTypeEntry *entry, robj *value, int where);
800 int listTypeEqual(listTypeEntry *entry, robj *o);
801 void listTypeDelete(listTypeEntry *entry);
802 void listTypeConvert(robj *subject, int enc);
803 void unblockClientWaitingData(redisClient *c);
804 int handleClientsWaitingListPush(redisClient *c, robj *key, robj *ele);
805 void popGenericCommand(redisClient *c, int where);
806
807 /* MULTI/EXEC/WATCH... */
808 void unwatchAllKeys(redisClient *c);
809 void initClientMultiState(redisClient *c);
810 void freeClientMultiState(redisClient *c);
811 void queueMultiCommand(redisClient *c);
812 void touchWatchedKey(redisDb *db, robj *key);
813 void touchWatchedKeysOnFlush(int dbid);
814
815 /* Redis object implementation */
816 void decrRefCount(void *o);
817 void incrRefCount(robj *o);
818 robj *resetRefCount(robj *obj);
819 void freeStringObject(robj *o);
820 void freeListObject(robj *o);
821 void freeSetObject(robj *o);
822 void freeZsetObject(robj *o);
823 void freeHashObject(robj *o);
824 robj *createObject(int type, void *ptr);
825 robj *createStringObject(char *ptr, size_t len);
826 robj *dupStringObject(robj *o);
827 int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
828 robj *tryObjectEncoding(robj *o);
829 robj *getDecodedObject(robj *o);
830 size_t stringObjectLen(robj *o);
831 robj *createStringObjectFromLongLong(long long value);
832 robj *createListObject(void);
833 robj *createZiplistObject(void);
834 robj *createSetObject(void);
835 robj *createIntsetObject(void);
836 robj *createHashObject(void);
837 robj *createZsetObject(void);
838 robj *createZsetZiplistObject(void);
839 int getLongFromObjectOrReply(redisClient *c, robj *o, long *target, const char *msg);
840 int checkType(redisClient *c, robj *o, int type);
841 int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, const char *msg);
842 int getDoubleFromObjectOrReply(redisClient *c, robj *o, double *target, const char *msg);
843 int getLongLongFromObject(robj *o, long long *target);
844 char *strEncoding(int encoding);
845 int compareStringObjects(robj *a, robj *b);
846 int equalStringObjects(robj *a, robj *b);
847 unsigned long estimateObjectIdleTime(robj *o);
848
849 /* Synchronous I/O with timeout */
850 int syncWrite(int fd, char *ptr, ssize_t size, int timeout);
851 int syncRead(int fd, char *ptr, ssize_t size, int timeout);
852 int syncReadLine(int fd, char *ptr, ssize_t size, int timeout);
853
854 /* Replication */
855 void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc);
856 void replicationFeedMonitors(list *monitors, int dictid, robj **argv, int argc);
857 void updateSlavesWaitingBgsave(int bgsaveerr);
858 void replicationCron(void);
859
860 /* Generic persistence functions */
861 void startLoading(FILE *fp);
862 void loadingProgress(off_t pos);
863 void stopLoading(void);
864
865 /* RDB persistence */
866 #include "rdb.h"
867
868 /* AOF persistence */
869 void flushAppendOnlyFile(int force);
870 void feedAppendOnlyFile(struct redisCommand *cmd, int dictid, robj **argv, int argc);
871 void aofRemoveTempFile(pid_t childpid);
872 int rewriteAppendOnlyFileBackground(void);
873 int loadAppendOnlyFile(char *filename);
874 void stopAppendOnly(void);
875 int startAppendOnly(void);
876 void backgroundRewriteDoneHandler(int exitcode, int bysignal);
877
878 /* Sorted sets data type */
879
880 /* Struct to hold a inclusive/exclusive range spec. */
881 typedef struct {
882 double min, max;
883 int minex, maxex; /* are min or max exclusive? */
884 } zrangespec;
885
886 zskiplist *zslCreate(void);
887 void zslFree(zskiplist *zsl);
888 zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj);
889 unsigned char *zzlInsert(unsigned char *zl, robj *ele, double score);
890 int zslDelete(zskiplist *zsl, double score, robj *obj);
891 zskiplistNode *zslFirstInRange(zskiplist *zsl, zrangespec range);
892 double zzlGetScore(unsigned char *sptr);
893 void zzlNext(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
894 void zzlPrev(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
895 unsigned int zsetLength(robj *zobj);
896 void zsetConvert(robj *zobj, int encoding);
897
898 /* Core functions */
899 void freeMemoryIfNeeded(void);
900 int processCommand(redisClient *c);
901 void setupSignalHandlers(void);
902 struct redisCommand *lookupCommand(sds name);
903 struct redisCommand *lookupCommandByCString(char *s);
904 void call(redisClient *c);
905 int prepareForShutdown();
906 void redisLog(int level, const char *fmt, ...);
907 void redisLogRaw(int level, const char *msg);
908 void usage();
909 void updateDictResizePolicy(void);
910 int htNeedsResize(dict *dict);
911 void oom(const char *msg);
912 void populateCommandTable(void);
913 void resetCommandTableStats(void);
914
915 /* Set data type */
916 robj *setTypeCreate(robj *value);
917 int setTypeAdd(robj *subject, robj *value);
918 int setTypeRemove(robj *subject, robj *value);
919 int setTypeIsMember(robj *subject, robj *value);
920 setTypeIterator *setTypeInitIterator(robj *subject);
921 void setTypeReleaseIterator(setTypeIterator *si);
922 int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele);
923 robj *setTypeNextObject(setTypeIterator *si);
924 int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele);
925 unsigned long setTypeSize(robj *subject);
926 void setTypeConvert(robj *subject, int enc);
927
928 /* Hash data type */
929 void convertToRealHash(robj *o);
930 void hashTypeTryConversion(robj *subject, robj **argv, int start, int end);
931 void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2);
932 int hashTypeGet(robj *o, robj *key, robj **objval, unsigned char **v, unsigned int *vlen);
933 robj *hashTypeGetObject(robj *o, robj *key);
934 int hashTypeExists(robj *o, robj *key);
935 int hashTypeSet(robj *o, robj *key, robj *value);
936 int hashTypeDelete(robj *o, robj *key);
937 unsigned long hashTypeLength(robj *o);
938 hashTypeIterator *hashTypeInitIterator(robj *subject);
939 void hashTypeReleaseIterator(hashTypeIterator *hi);
940 int hashTypeNext(hashTypeIterator *hi);
941 int hashTypeCurrent(hashTypeIterator *hi, int what, robj **objval, unsigned char **v, unsigned int *vlen);
942 robj *hashTypeCurrentObject(hashTypeIterator *hi, int what);
943 robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key);
944
945 /* Pub / Sub */
946 int pubsubUnsubscribeAllChannels(redisClient *c, int notify);
947 int pubsubUnsubscribeAllPatterns(redisClient *c, int notify);
948 void freePubsubPattern(void *p);
949 int listMatchPubsubPattern(void *a, void *b);
950 int pubsubPublishMessage(robj *channel, robj *message);
951
952 /* Configuration */
953 void loadServerConfig(char *filename);
954 void appendServerSaveParams(time_t seconds, int changes);
955 void resetServerSaveParams();
956
957 /* db.c -- Keyspace access API */
958 int removeExpire(redisDb *db, robj *key);
959 void propagateExpire(redisDb *db, robj *key);
960 int expireIfNeeded(redisDb *db, robj *key);
961 time_t getExpire(redisDb *db, robj *key);
962 void setExpire(redisDb *db, robj *key, time_t when);
963 robj *lookupKey(redisDb *db, robj *key);
964 robj *lookupKeyRead(redisDb *db, robj *key);
965 robj *lookupKeyWrite(redisDb *db, robj *key);
966 robj *lookupKeyReadOrReply(redisClient *c, robj *key, robj *reply);
967 robj *lookupKeyWriteOrReply(redisClient *c, robj *key, robj *reply);
968 void dbAdd(redisDb *db, robj *key, robj *val);
969 void dbOverwrite(redisDb *db, robj *key, robj *val);
970 void setKey(redisDb *db, robj *key, robj *val);
971 int dbExists(redisDb *db, robj *key);
972 robj *dbRandomKey(redisDb *db);
973 int dbDelete(redisDb *db, robj *key);
974 long long emptyDb();
975 int selectDb(redisClient *c, int id);
976 void signalModifiedKey(redisDb *db, robj *key);
977 void signalFlushedDb(int dbid);
978 unsigned int GetKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count);
979
980 /* API to get key arguments from commands */
981 #define REDIS_GETKEYS_ALL 0
982 #define REDIS_GETKEYS_PRELOAD 1
983 int *getKeysFromCommand(struct redisCommand *cmd, robj **argv, int argc, int *numkeys, int flags);
984 void getKeysFreeResult(int *result);
985 int *noPreloadGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
986 int *renameGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
987 int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
988
989 /* Cluster */
990 void clusterInit(void);
991 unsigned short crc16(const char *buf, int len);
992 unsigned int keyHashSlot(char *key, int keylen);
993 clusterNode *createClusterNode(char *nodename, int flags);
994 int clusterAddNode(clusterNode *node);
995 void clusterCron(void);
996 clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot, int *ask);
997 void clusterPropagatePublish(robj *channel, robj *message);
998
999 /* Scripting */
1000 void scriptingInit(void);
1001
1002 /* Git SHA1 */
1003 char *redisGitSHA1(void);
1004 char *redisGitDirty(void);
1005
1006 /* Commands prototypes */
1007 void authCommand(redisClient *c);
1008 void pingCommand(redisClient *c);
1009 void echoCommand(redisClient *c);
1010 void setCommand(redisClient *c);
1011 void setnxCommand(redisClient *c);
1012 void setexCommand(redisClient *c);
1013 void getCommand(redisClient *c);
1014 void delCommand(redisClient *c);
1015 void existsCommand(redisClient *c);
1016 void setbitCommand(redisClient *c);
1017 void getbitCommand(redisClient *c);
1018 void setrangeCommand(redisClient *c);
1019 void getrangeCommand(redisClient *c);
1020 void incrCommand(redisClient *c);
1021 void decrCommand(redisClient *c);
1022 void incrbyCommand(redisClient *c);
1023 void decrbyCommand(redisClient *c);
1024 void selectCommand(redisClient *c);
1025 void randomkeyCommand(redisClient *c);
1026 void keysCommand(redisClient *c);
1027 void dbsizeCommand(redisClient *c);
1028 void lastsaveCommand(redisClient *c);
1029 void saveCommand(redisClient *c);
1030 void bgsaveCommand(redisClient *c);
1031 void bgrewriteaofCommand(redisClient *c);
1032 void shutdownCommand(redisClient *c);
1033 void moveCommand(redisClient *c);
1034 void renameCommand(redisClient *c);
1035 void renamenxCommand(redisClient *c);
1036 void lpushCommand(redisClient *c);
1037 void rpushCommand(redisClient *c);
1038 void lpushxCommand(redisClient *c);
1039 void rpushxCommand(redisClient *c);
1040 void linsertCommand(redisClient *c);
1041 void lpopCommand(redisClient *c);
1042 void rpopCommand(redisClient *c);
1043 void llenCommand(redisClient *c);
1044 void lindexCommand(redisClient *c);
1045 void lrangeCommand(redisClient *c);
1046 void ltrimCommand(redisClient *c);
1047 void typeCommand(redisClient *c);
1048 void lsetCommand(redisClient *c);
1049 void saddCommand(redisClient *c);
1050 void sremCommand(redisClient *c);
1051 void smoveCommand(redisClient *c);
1052 void sismemberCommand(redisClient *c);
1053 void scardCommand(redisClient *c);
1054 void spopCommand(redisClient *c);
1055 void srandmemberCommand(redisClient *c);
1056 void sinterCommand(redisClient *c);
1057 void sinterstoreCommand(redisClient *c);
1058 void sunionCommand(redisClient *c);
1059 void sunionstoreCommand(redisClient *c);
1060 void sdiffCommand(redisClient *c);
1061 void sdiffstoreCommand(redisClient *c);
1062 void syncCommand(redisClient *c);
1063 void flushdbCommand(redisClient *c);
1064 void flushallCommand(redisClient *c);
1065 void sortCommand(redisClient *c);
1066 void lremCommand(redisClient *c);
1067 void rpoplpushCommand(redisClient *c);
1068 void infoCommand(redisClient *c);
1069 void mgetCommand(redisClient *c);
1070 void monitorCommand(redisClient *c);
1071 void expireCommand(redisClient *c);
1072 void expireatCommand(redisClient *c);
1073 void getsetCommand(redisClient *c);
1074 void ttlCommand(redisClient *c);
1075 void persistCommand(redisClient *c);
1076 void slaveofCommand(redisClient *c);
1077 void debugCommand(redisClient *c);
1078 void msetCommand(redisClient *c);
1079 void msetnxCommand(redisClient *c);
1080 void zaddCommand(redisClient *c);
1081 void zincrbyCommand(redisClient *c);
1082 void zrangeCommand(redisClient *c);
1083 void zrangebyscoreCommand(redisClient *c);
1084 void zrevrangebyscoreCommand(redisClient *c);
1085 void zcountCommand(redisClient *c);
1086 void zrevrangeCommand(redisClient *c);
1087 void zcardCommand(redisClient *c);
1088 void zremCommand(redisClient *c);
1089 void zscoreCommand(redisClient *c);
1090 void zremrangebyscoreCommand(redisClient *c);
1091 void multiCommand(redisClient *c);
1092 void execCommand(redisClient *c);
1093 void discardCommand(redisClient *c);
1094 void blpopCommand(redisClient *c);
1095 void brpopCommand(redisClient *c);
1096 void brpoplpushCommand(redisClient *c);
1097 void appendCommand(redisClient *c);
1098 void strlenCommand(redisClient *c);
1099 void zrankCommand(redisClient *c);
1100 void zrevrankCommand(redisClient *c);
1101 void hsetCommand(redisClient *c);
1102 void hsetnxCommand(redisClient *c);
1103 void hgetCommand(redisClient *c);
1104 void hmsetCommand(redisClient *c);
1105 void hmgetCommand(redisClient *c);
1106 void hdelCommand(redisClient *c);
1107 void hlenCommand(redisClient *c);
1108 void zremrangebyrankCommand(redisClient *c);
1109 void zunionstoreCommand(redisClient *c);
1110 void zinterstoreCommand(redisClient *c);
1111 void hkeysCommand(redisClient *c);
1112 void hvalsCommand(redisClient *c);
1113 void hgetallCommand(redisClient *c);
1114 void hexistsCommand(redisClient *c);
1115 void configCommand(redisClient *c);
1116 void hincrbyCommand(redisClient *c);
1117 void subscribeCommand(redisClient *c);
1118 void unsubscribeCommand(redisClient *c);
1119 void psubscribeCommand(redisClient *c);
1120 void punsubscribeCommand(redisClient *c);
1121 void publishCommand(redisClient *c);
1122 void watchCommand(redisClient *c);
1123 void unwatchCommand(redisClient *c);
1124 void clusterCommand(redisClient *c);
1125 void restoreCommand(redisClient *c);
1126 void migrateCommand(redisClient *c);
1127 void askingCommand(redisClient *c);
1128 void dumpCommand(redisClient *c);
1129 void objectCommand(redisClient *c);
1130 void clientCommand(redisClient *c);
1131 void evalCommand(redisClient *c);
1132 void evalShaCommand(redisClient *c);
1133 void scriptCommand(redisClient *c);
1134
1135 #if defined(__GNUC__)
1136 void *calloc(size_t count, size_t size) __attribute__ ((deprecated));
1137 void free(void *ptr) __attribute__ ((deprecated));
1138 void *malloc(size_t size) __attribute__ ((deprecated));
1139 void *realloc(void *ptr, size_t size) __attribute__ ((deprecated));
1140 #endif
1141
1142 /* Debugging stuff */
1143 void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int line);
1144 void _redisAssert(char *estr, char *file, int line);
1145 void _redisPanic(char *msg, char *file, int line);
1146
1147 #endif
Redis += OpenLDAP MDB