#include "ziplist.h" /* Compact list data structure */
#include "intset.h" /* Compact integer set structure */
#include "version.h"
+#include "util.h"
/* Error codes */
#define REDIS_OK 0
#define REDIS_MAXIDLETIME (60*5) /* default client timeout */
#define REDIS_IOBUF_LEN 1024
#define REDIS_LOADBUF_LEN 1024
-#define REDIS_STATIC_ARGS 8
#define REDIS_DEFAULT_DBNUM 16
#define REDIS_CONFIGLINE_MAX 1024
#define REDIS_MAX_SYNC_TIME 60 /* Slave can't take more to sync */
#define REDIS_SHARED_INTEGERS 10000
#define REDIS_REPLY_CHUNK_BYTES (5*1500) /* 5 TCP packets with default MTU */
#define REDIS_MAX_LOGMSG_LEN 1024 /* Default maximum length of syslog messages */
+#define REDIS_AUTO_AOFREWRITE_PERC 100
+#define REDIS_AUTO_AOFREWRITE_MIN_SIZE (1024*1024)
/* Hash table parameters */
#define REDIS_HT_MINFILL 10 /* Minimal hash table fill 10% */
#define REDIS_ZSET 3
#define REDIS_HASH 4
#define REDIS_VMPOINTER 8
+
/* Object types only used for persistence in .rdb files */
#define REDIS_HASH_ZIPMAP 9
#define REDIS_LIST_ZIPLIST 10
#define REDIS_SET_INTSET 11
+#define REDIS_ZSET_ZIPLIST 12
/* Objects encoding. Some kind of objects like Strings and Hashes can be
* internally represented in multiple ways. The 'encoding' field of the object
#define REDIS_ENCODING_LINKEDLIST 4 /* Encoded as regular linked list */
#define REDIS_ENCODING_ZIPLIST 5 /* Encoded as ziplist */
#define REDIS_ENCODING_INTSET 6 /* Encoded as intset */
+#define REDIS_ENCODING_SKIPLIST 7 /* Encoded as skiplist */
/* Object types only used for dumping to disk */
#define REDIS_EXPIRETIME 253
#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_TRANSFER 2 /* Receiving .rdb from master */
-#define REDIS_REPL_CONNECTED 3 /* Connected to master */
+#define REDIS_REPL_NONE 0 /* No active replication */
+#define REDIS_REPL_CONNECT 1 /* Must connect to master */
+#define REDIS_REPL_CONNECTING 2 /* Connecting to master */
+#define REDIS_REPL_TRANSFER 3 /* Receiving .rdb from master */
+#define REDIS_REPL_CONNECTED 4 /* Connected to master */
+
+/* Synchronous read timeout - slave side */
+#define REDIS_REPL_SYNCIO_TIMEOUT 5
/* Slave replication state - from the point of view of master
* Note that in SEND_BULK and ONLINE state the slave receives new updates
#define REDIS_VERBOSE 1
#define REDIS_NOTICE 2
#define REDIS_WARNING 3
+#define REDIS_LOG_RAW (1<<10) /* Modifier to log without timestamp */
/* Anti-warning macro... */
#define REDIS_NOTUSED(V) ((void) V)
#define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
#define REDIS_LIST_MAX_ZIPLIST_VALUE 64
#define REDIS_SET_MAX_INTSET_ENTRIES 512
+#define REDIS_ZSET_MAX_ZIPLIST_ENTRIES 128
+#define REDIS_ZSET_MAX_ZIPLIST_VALUE 64
/* Sets operations codes */
#define REDIS_OP_UNION 0
*integers[REDIS_SHARED_INTEGERS];
};
+/* ZSETs use a specialized version of Skiplists */
+typedef struct zskiplistNode {
+ robj *obj;
+ double score;
+ struct zskiplistNode *backward;
+ struct zskiplistLevel {
+ struct zskiplistNode *forward;
+ unsigned int span;
+ } level[];
+} zskiplistNode;
+
+typedef struct zskiplist {
+ struct zskiplistNode *header, *tail;
+ unsigned long length;
+ int level;
+} zskiplist;
+
+typedef struct zset {
+ dict *dict;
+ zskiplist *zsl;
+} zset;
+
/*-----------------------------------------------------------------------------
* Redis cluster data structures
*----------------------------------------------------------------------------*/
clusterNode *migrating_slots_to[REDIS_CLUSTER_SLOTS];
clusterNode *importing_slots_from[REDIS_CLUSTER_SLOTS];
clusterNode *slots[REDIS_CLUSTER_SLOTS];
+ zskiplist *slots_to_keys;
} clusterState;
/* Redis cluster messages header */
long long stat_evictedkeys; /* number of evicted keys (maxmemory) */
long long stat_keyspace_hits; /* number of successful lookups of keys */
long long stat_keyspace_misses; /* number of failed lookups of keys */
+ size_t stat_peak_memory; /* max used memory record */
+ long long stat_fork_time; /* time needed to perform latets fork() */
/* Configuration */
int verbosity;
int maxidletime;
int appendonly;
int appendfsync;
int no_appendfsync_on_rewrite;
+ int auto_aofrewrite_perc; /* Rewrite AOF if % growth is > M and... */
+ off_t auto_aofrewrite_min_size; /* the AOF file is at least N bytes. */
+ off_t auto_aofrewrite_base_size;/* AOF size on latest startup or rewrite. */
+ off_t appendonly_current_size; /* AOF current size. */
+ int aofrewrite_scheduled; /* Rewrite once BGSAVE terminates. */
int shutdown_asap;
int activerehashing;
char *requirepass;
char *masterhost;
int masterport;
redisClient *master; /* client that is master for this slave */
+ int repl_syncio_timeout; /* timeout for synchronous I/O calls */
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 */
size_t list_max_ziplist_entries;
size_t list_max_ziplist_value;
size_t set_max_intset_entries;
+ size_t zset_max_ziplist_entries;
+ size_t zset_max_ziplist_value;
time_t unixtime; /* Unix time sampled every second. */
/* Virtual memory I/O threads stuff */
/* An I/O thread process an element taken from the io_jobs queue and
/* Misc */
unsigned lruclock:22; /* clock incrementing every minute, for LRU */
unsigned lruclock_padding:10;
+ /* Cluster */
int cluster_enabled;
clusterState cluster;
};
robj *pattern;
} redisSortOperation;
-/* ZSETs use a specialized version of Skiplists */
-typedef struct zskiplistNode {
- robj *obj;
- double score;
- struct zskiplistNode *backward;
- struct zskiplistLevel {
- struct zskiplistNode *forward;
- unsigned int span;
- } level[];
-} zskiplistNode;
-
-typedef struct zskiplist {
- struct zskiplistNode *header, *tail;
- unsigned long length;
- int level;
-} zskiplist;
-
-typedef struct zset {
- dict *dict;
- zskiplist *zsl;
-} zset;
-
/* DIsk store threaded I/O request message */
#define REDIS_IOJOB_LOAD 0
#define REDIS_IOJOB_SAVE 1
robj *createObject(int type, void *ptr);
robj *createStringObject(char *ptr, size_t len);
robj *dupStringObject(robj *o);
+int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
robj *tryObjectEncoding(robj *o);
robj *getDecodedObject(robj *o);
size_t stringObjectLen(robj *o);
robj *createIntsetObject(void);
robj *createHashObject(void);
robj *createZsetObject(void);
+robj *createZsetZiplistObject(void);
int getLongFromObjectOrReply(redisClient *c, robj *o, long *target, const char *msg);
int checkType(redisClient *c, robj *o, int type);
int getLongLongFromObjectOrReply(redisClient *c, robj *o, long long *target, const char *msg);
/* 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);
void backgroundRewriteDoneHandler(int exitcode, int bysignal);
/* Sorted sets data type */
+
+/* Struct to hold a inclusive/exclusive range spec. */
+typedef struct {
+ double min, max;
+ int minex, maxex; /* are min or max exclusive? */
+} zrangespec;
+
zskiplist *zslCreate(void);
void zslFree(zskiplist *zsl);
zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj);
+unsigned char *zzlInsert(unsigned char *zl, robj *ele, double score);
+int zslDelete(zskiplist *zsl, double score, robj *obj);
+zskiplistNode *zslFirstInRange(zskiplist *zsl, zrangespec range);
+double zzlGetScore(unsigned char *sptr);
+void zzlNext(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
+void zzlPrev(unsigned char *zl, unsigned char **eptr, unsigned char **sptr);
+unsigned int zsetLength(robj *zobj);
+void zsetConvert(robj *zobj, int encoding);
/* Core functions */
void freeMemoryIfNeeded(void);
void freePubsubPattern(void *p);
int listMatchPubsubPattern(void *a, void *b);
-/* Utility functions */
-int stringmatchlen(const char *pattern, int patternLen,
- const char *string, int stringLen, int nocase);
-int stringmatch(const char *pattern, const char *string, int nocase);
-long long memtoll(const char *p, int *err);
-int ll2string(char *s, size_t len, long long value);
-int isStringRepresentableAsLong(sds s, long *longval);
-int isStringRepresentableAsLongLong(sds s, long long *longval);
-int isObjectRepresentableAsLongLong(robj *o, long long *llongval);
-
/* Configuration */
void loadServerConfig(char *filename);
void appendServerSaveParams(time_t seconds, int changes);
int selectDb(redisClient *c, int id);
void signalModifiedKey(redisDb *db, robj *key);
void signalFlushedDb(int dbid);
+unsigned int GetKeysInSlot(unsigned int hashslot, robj **keys, unsigned int count);
/* API to get key arguments from commands */
#define REDIS_GETKEYS_ALL 0
clusterNode *createClusterNode(char *nodename, int flags);
int clusterAddNode(clusterNode *node);
void clusterCron(void);
-clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot);
+clusterNode *getNodeByQuery(redisClient *c, struct redisCommand *cmd, robj **argv, int argc, int *hashslot, int *ask);
/* Git SHA1 */
char *redisGitSHA1(void);
void clusterCommand(redisClient *c);
void restoreCommand(redisClient *c);
void migrateCommand(redisClient *c);
+void dumpCommand(redisClient *c);
+void objectCommand(redisClient *c);
+void clientCommand(redisClient *c);
#if defined(__GNUC__)
void *calloc(size_t count, size_t size) __attribute__ ((deprecated));
projects / redis.git / blobdiff