Return OK on QUIT

[redis.git] / src / redis.h

diff --git a/src/redis.h b/src/redis.h
index 288c90697f6cf57784d6cd2989c02f333a09b43c..e525a99b09623794c50864801bcf5a7e2eb0c891 100644 (file)
--- a/src/redis.h
+++ b/src/redis.h
@@ -47,6 +47,7 @@
 #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
@@ -143,6 +144,7 @@
 #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 */
 
 /* Slave replication state - slave side */
 #define REDIS_REPL_NONE 0   /* No active replication */
@@ -285,8 +287,9 @@ typedef struct redisClient {
     int dictid;
     sds querybuf;
     robj **argv, **mbargv;
+    char *newline;          /* pointing to the detected newline in querybuf */
     int argc, mbargc;
-    int bulklen;            /* bulk read len. -1 if not in bulk read mode */
+    long bulklen;            /* bulk read len. -1 if not in bulk read mode */
     int multibulk;          /* multi bulk command format active */
     list *reply;
     int sentlen;
@@ -309,6 +312,10 @@ typedef struct redisClient {
     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 {
@@ -335,6 +342,7 @@ struct redisServer {
     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];
@@ -484,13 +492,14 @@ 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 {
@@ -545,7 +554,7 @@ typedef struct {
     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
@@ -587,6 +596,8 @@ void resetClient(redisClient *c);
 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);
@@ -596,11 +607,23 @@ 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 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);
@@ -687,7 +710,7 @@ 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);
@@ -734,9 +757,9 @@ robj *setTypeCreate(robj *value);
 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);
@@ -769,6 +792,8 @@ 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);