X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/36c19d03e08b94ea1bc246918cbd71ea810d38aa..19408d83a41bd3a1161bd6e5240eb1c60091d40b:/src/redis.h

diff --git a/src/redis.h b/src/redis.h
index 328df08d..1e841b73 100644
--- a/src/redis.h
+++ b/src/redis.h
@@ -57,15 +57,15 @@
 /* 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
@@ -144,6 +144,13 @@
 #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 */
@@ -285,10 +292,11 @@ typedef struct redisClient {
     redisDb *db;
     int dictid;
     sds querybuf;
-    robj **argv, **mbargv;
-    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 */
@@ -313,8 +321,7 @@ typedef struct redisClient {
 
     /* Response buffer */
     int bufpos;
-    int buflen;
-    char buf[];
+    char buf[REDIS_REPLY_CHUNK_BYTES];
 } redisClient;
 
 struct saveparam {
@@ -491,13 +498,14 @@ typedef struct _redisSortOperation {
 } 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 {
@@ -605,11 +613,23 @@ void addReplyBulkCString(redisClient *c, char *s);
 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 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);
@@ -696,7 +716,7 @@ void backgroundRewriteDoneHandler(int statloc);
 /* 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);