#include <unistd.h>
#include <errno.h>
#include <inttypes.h>
+#include <pthread.h>
#include "ae.h" /* Event driven programming library */
#include "sds.h" /* Dynamic safe strings */
#define REDIS_MAX_WRITE_PER_EVENT (1024*64)
#define REDIS_REQUEST_MAX_SIZE (1024*1024*256) /* max bytes in inline command */
#define REDIS_SHARED_INTEGERS 10000
+#define REDIS_REPLY_CHUNK_BYTES (5*1500) /* 5 TCP packets with default MTU */
/* If more then REDIS_WRITEV_THRESHOLD write packets are pending use writev */
#define REDIS_WRITEV_THRESHOLD 3
#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_QUIT 128 /* Client will be disconnected after reply is sent */
+#define REDIS_CLOSE_AFTER_REPLY 256 /* Close connection immediately once the
+ * reply has been sent. */
+
+/* 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 */
redisDb *db;
int dictid;
sds querybuf;
- robj **argv, **mbargv;
- int argc, mbargc;
- int 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 */
list *watched_keys; /* Keys WATCHED for MULTI/EXEC CAS */
dict *pubsub_channels; /* channels a client is interested in (SUBSCRIBE) */
list *pubsub_patterns; /* patterns a client is interested in (SUBSCRIBE) */
+
+ /* Response buffer */
+ int bufpos;
+ char buf[REDIS_REPLY_CHUNK_BYTES];
} redisClient;
struct saveparam {
/* Global server state structure */
struct redisServer {
+ pthread_t mainthread;
int port;
int fd;
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;
list *slaves, *monitors;
char neterr[ANET_ERR_LEN];
} redisSortOperation;
/* ZSETs use a specialized version of Skiplists */
-
typedef struct zskiplistNode {
- struct zskiplistNode **forward;
- struct zskiplistNode *backward;
- unsigned int *span;
- double score;
robj *obj;
+ double score;
+ struct zskiplistNode *backward;
+ struct zskiplistLevel {
+ struct zskiplistNode *forward;
+ unsigned int span;
+ } level[];
} zskiplistNode;
typedef struct zskiplist {
int encoding;
int ii; /* intset iterator */
dictIterator *di;
-} setIterator;
+} setTypeIterator;
/* Structure to hold hash iteration abstration. Note that iteration over
* hashes involves both fields and values. Because it is possible that
void sendReplyToClient(aeEventLoop *el, int fd, void *privdata, int mask);
void sendReplyToClientWritev(aeEventLoop *el, int fd, void *privdata, int mask);
void addReply(redisClient *c, robj *obj);
+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 acceptHandler(aeEventLoop *el, int fd, void *privdata, int mask);
void addReply(redisClient *c, robj *obj);
void addReplySds(redisClient *c, sds s);
+void addReplyError(redisClient *c, char *err);
+void addReplyStatus(redisClient *c, char *status);
void addReplyDouble(redisClient *c, double d);
void addReplyLongLong(redisClient *c, long long ll);
-void addReplyUlong(redisClient *c, unsigned long ul);
+void addReplyMultiBulkLen(redisClient *c, long length);
void *dupClientReplyValue(void *o);
+#ifdef __GNUC__
+void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
+ __attribute__((format(printf, 2, 3)));
+void addReplyStatusFormat(redisClient *c, const char *fmt, ...)
+ __attribute__((format(printf, 2, 3)));
+#else
+void addReplyErrorFormat(redisClient *c, const char *fmt, ...);
+void addReplyStatusFormat(redisClient *c, const char *fmt, ...);
+#endif
+
/* List data type */
void listTypeTryConversion(robj *subject, robj *value);
void listTypePush(robj *subject, robj *value, int where);
/* Sorted sets data type */
zskiplist *zslCreate(void);
void zslFree(zskiplist *zsl);
-void zslInsert(zskiplist *zsl, double score, robj *obj);
+zskiplistNode *zslInsert(zskiplist *zsl, double score, robj *obj);
/* Core functions */
void freeMemoryIfNeeded(void);
int setTypeAdd(robj *subject, robj *value);
int setTypeRemove(robj *subject, robj *value);
int setTypeIsMember(robj *subject, robj *value);
-setIterator *setTypeInitIterator(robj *subject);
-void setTypeReleaseIterator(setIterator *si);
-robj *setTypeNext(setIterator *si);
+setTypeIterator *setTypeInitIterator(robj *subject);
+void setTypeReleaseIterator(setTypeIterator *si);
+robj *setTypeNext(setTypeIterator *si);
robj *setTypeRandomElement(robj *subject);
unsigned long setTypeSize(robj *subject);
void setTypeConvert(robj *subject, int enc);
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);
/* db.c -- Keyspace access API */
int removeExpire(redisDb *db, robj *key);
+void propagateExpire(redisDb *db, robj *key);
int expireIfNeeded(redisDb *db, robj *key);
-int deleteIfVolatile(redisDb *db, robj *key);
time_t getExpire(redisDb *db, robj *key);
-int setExpire(redisDb *db, robj *key, time_t when);
+void setExpire(redisDb *db, robj *key, time_t when);
robj *lookupKey(redisDb *db, robj *key);
robj *lookupKeyRead(redisDb *db, robj *key);
robj *lookupKeyWrite(redisDb *db, robj *key);
void expireatCommand(redisClient *c);
void getsetCommand(redisClient *c);
void ttlCommand(redisClient *c);
+void persistCommand(redisClient *c);
void slaveofCommand(redisClient *c);
void debugCommand(redisClient *c);
void msetCommand(redisClient *c);
void brpopCommand(redisClient *c);
void appendCommand(redisClient *c);
void substrCommand(redisClient *c);
+void strlenCommand(redisClient *c);
void zrankCommand(redisClient *c);
void zrevrankCommand(redisClient *c);
void hsetCommand(redisClient *c);
void watchCommand(redisClient *c);
void unwatchCommand(redisClient *c);
+#if defined(__GNUC__)
+void *calloc(size_t count, size_t size) __attribute__ ((deprecated));
+void free(void *ptr) __attribute__ ((deprecated));
+void *malloc(size_t size) __attribute__ ((deprecated));
+void *realloc(void *ptr, size_t size) __attribute__ ((deprecated));
+#endif
+
#endif
projects / redis.git / blobdiff