Redis 2.6 branch obtained from unstable removing all the cluster related code.

[redis.git] / src / redis.h

diff --git a/src/redis.h b/src/redis.h
index 6b9bad08d7a6b11cc82b38bd4c9514a37f248eae..e47a41a4c7c51696fa9efea4ff9bb68c642a6826 100644 (file)
--- a/src/redis.h
+++ b/src/redis.h
@@ -20,6 +20,7 @@
 #include <syslog.h>
 #include <netinet/in.h>
 #include <lua.h>
 #include <syslog.h>
 #include <netinet/in.h>
 #include <lua.h>

+#include <signal.h>

 
 #include "ae.h"      /* Event driven programming library */
 #include "sds.h"     /* Dynamic safe strings */
 
 #include "ae.h"      /* Event driven programming library */
 #include "sds.h"     /* Dynamic safe strings */


@@ -27,7 +28,6 @@
 #include "adlist.h"  /* Linked lists */
 #include "zmalloc.h" /* total memory usage aware version of malloc/free */
 #include "anet.h"    /* Networking the easy way */
 #include "adlist.h"  /* Linked lists */
 #include "zmalloc.h" /* total memory usage aware version of malloc/free */
 #include "anet.h"    /* Networking the easy way */

-#include "zipmap.h"  /* Compact string -> string data structure */

 #include "ziplist.h" /* Compact list data structure */
 #include "intset.h"  /* Compact integer set structure */
 #include "version.h" /* Version macro */
 #include "ziplist.h" /* Compact list data structure */
 #include "intset.h"  /* Compact integer set structure */
 #include "version.h" /* Version macro */


@@ -40,28 +40,32 @@
 /* Static server configuration */
 #define REDIS_SERVERPORT        6379    /* TCP port */
 #define REDIS_MAXIDLETIME       0       /* default client timeout: infinite */
 /* Static server configuration */
 #define REDIS_SERVERPORT        6379    /* TCP port */
 #define REDIS_MAXIDLETIME       0       /* default client timeout: infinite */

-#define REDIS_MAX_QUERYBUF_LEN  (1024*1024*1024) /* 1GB max query buffer. */
-#define REDIS_IOBUF_LEN         (1024*16)
-#define REDIS_LOADBUF_LEN       1024

 #define REDIS_DEFAULT_DBNUM     16
 #define REDIS_CONFIGLINE_MAX    1024
 #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_EXPIRELOOKUPS_PER_CRON    10 /* lookup 10 expires per loop */
 #define REDIS_MAX_WRITE_PER_EVENT (1024*64)
 #define REDIS_EXPIRELOOKUPS_PER_CRON    10 /* lookup 10 expires per loop */
 #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_SHARED_INTEGERS 10000

-#define REDIS_REPLY_CHUNK_BYTES (16*1024) /* 16k output buffer */
+#define REDIS_SHARED_BULKHDR_LEN 32

 #define REDIS_MAX_LOGMSG_LEN    1024 /* Default maximum length of syslog messages */
 #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)
-#define REDIS_AOFREWRITE_ITEMS_PER_CMD 64
+#define REDIS_AOF_REWRITE_PERC  100
+#define REDIS_AOF_REWRITE_MIN_SIZE (1024*1024)
+#define REDIS_AOF_REWRITE_ITEMS_PER_CMD 64

 #define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000
 #define REDIS_SLOWLOG_MAX_LEN 64
 #define REDIS_MAX_CLIENTS 10000
 
 #define REDIS_REPL_TIMEOUT 60
 #define REDIS_REPL_PING_SLAVE_PERIOD 10
 #define REDIS_SLOWLOG_LOG_SLOWER_THAN 10000
 #define REDIS_SLOWLOG_MAX_LEN 64
 #define REDIS_MAX_CLIENTS 10000
 
 #define REDIS_REPL_TIMEOUT 60
 #define REDIS_REPL_PING_SLAVE_PERIOD 10

-#define REDIS_MBULK_BIG_ARG (1024*32)
+
+#define REDIS_RUN_ID_SIZE 40
+#define REDIS_OPS_SEC_SAMPLES 16
+
+/* Protocol and I/O related defines */
+#define REDIS_MAX_QUERYBUF_LEN  (1024*1024*1024) /* 1GB max query buffer. */
+#define REDIS_IOBUF_LEN         (1024*16)  /* Generic I/O buffer size */
+#define REDIS_REPLY_CHUNK_BYTES (16*1024) /* 16k output buffer */
+#define REDIS_INLINE_MAX_SIZE   (1024*64) /* Max size of inline reads */
+#define REDIS_MBULK_BIG_ARG     (1024*32)

 
 /* Hash table parameters */
 #define REDIS_HT_MINFILL        10      /* Minimal hash table fill 10% */
 
 /* Hash table parameters */
 #define REDIS_HT_MINFILL        10      /* Minimal hash table fill 10% */


@@ -76,6 +80,7 @@
 #define REDIS_CMD_PUBSUB 32                 /* "p" flag */
 #define REDIS_CMD_NOSCRIPT  64              /* "s" flag */
 #define REDIS_CMD_RANDOM 128                /* "R" flag */
 #define REDIS_CMD_PUBSUB 32                 /* "p" flag */
 #define REDIS_CMD_NOSCRIPT  64              /* "s" flag */
 #define REDIS_CMD_RANDOM 128                /* "R" flag */

+#define REDIS_CMD_SORT_FOR_SCRIPT 256       /* "S" flag */

 
 /* Object types */
 #define REDIS_STRING 0
 
 /* Object types */
 #define REDIS_STRING 0


@@ -124,6 +129,11 @@
 #define REDIS_RDB_ENC_INT32 2       /* 32 bit signed integer */
 #define REDIS_RDB_ENC_LZF 3         /* string compressed with FASTLZ */
 
 #define REDIS_RDB_ENC_INT32 2       /* 32 bit signed integer */
 #define REDIS_RDB_ENC_LZF 3         /* string compressed with FASTLZ */
 

+/* AOF states */
+#define REDIS_AOF_OFF 0             /* AOF is off */
+#define REDIS_AOF_ON 1              /* AOF is on */
+#define REDIS_AOF_WAIT_REWRITE 2    /* AOF waits rewrite to start appending */
+

 /* Client flags */
 #define REDIS_SLAVE 1       /* This client is a slave server */
 #define REDIS_MASTER 2      /* This client is a master server */
 /* Client flags */
 #define REDIS_SLAVE 1       /* This client is a slave server */
 #define REDIS_MASTER 2      /* This client is a master server */


@@ -136,11 +146,19 @@
                                server.unblocked_clients */
 #define REDIS_LUA_CLIENT 512 /* This is a non connected client used by Lua */
 #define REDIS_ASKING 1024   /* Client issued the ASKING command */
                                server.unblocked_clients */
 #define REDIS_LUA_CLIENT 512 /* This is a non connected client used by Lua */
 #define REDIS_ASKING 1024   /* Client issued the ASKING command */

+#define REDIS_CLOSE_ASAP 2048 /* Close this client ASAP */

 
 /* Client request types */
 #define REDIS_REQ_INLINE 1
 #define REDIS_REQ_MULTIBULK 2
 
 
 /* Client request types */
 #define REDIS_REQ_INLINE 1
 #define REDIS_REQ_MULTIBULK 2
 

+/* Client classes for client limits, currently used only for
+ * the max-client-output-buffer limit implementation. */
+#define REDIS_CLIENT_LIMIT_CLASS_NORMAL 0
+#define REDIS_CLIENT_LIMIT_CLASS_SLAVE 1
+#define REDIS_CLIENT_LIMIT_CLASS_PUBSUB 2
+#define REDIS_CLIENT_LIMIT_NUM_CLASSES 3
+

 /* Slave replication state - slave side */
 #define REDIS_REPL_NONE 0 /* No active replication */
 #define REDIS_REPL_CONNECT 1 /* Must connect to master */
 /* Slave replication state - slave side */
 #define REDIS_REPL_NONE 0 /* No active replication */
 #define REDIS_REPL_CONNECT 1 /* Must connect to master */


@@ -184,13 +202,13 @@
 #define ZSKIPLIST_P 0.25      /* Skiplist P = 1/4 */
 
 /* Append only defines */
 #define ZSKIPLIST_P 0.25      /* Skiplist P = 1/4 */
 
 /* Append only defines */

-#define APPENDFSYNC_NO 0
-#define APPENDFSYNC_ALWAYS 1
-#define APPENDFSYNC_EVERYSEC 2
+#define AOF_FSYNC_NO 0
+#define AOF_FSYNC_ALWAYS 1
+#define AOF_FSYNC_EVERYSEC 2

 
 /* Zip structure related defaults */
 
 /* Zip structure related defaults */

-#define REDIS_HASH_MAX_ZIPMAP_ENTRIES 512
-#define REDIS_HASH_MAX_ZIPMAP_VALUE 64
+#define REDIS_HASH_MAX_ZIPLIST_ENTRIES 512
+#define REDIS_HASH_MAX_ZIPLIST_VALUE 64

 #define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
 #define REDIS_LIST_MAX_ZIPLIST_VALUE 64
 #define REDIS_SET_MAX_INTSET_ENTRIES 512
 #define REDIS_LIST_MAX_ZIPLIST_ENTRIES 512
 #define REDIS_LIST_MAX_ZIPLIST_VALUE 64
 #define REDIS_SET_MAX_INTSET_ENTRIES 512


@@ -222,6 +240,18 @@
                                        points are configured. */
 #define REDIS_SHUTDOWN_NOSAVE 2     /* Don't SAVE on SHUTDOWN. */
 
                                        points are configured. */
 #define REDIS_SHUTDOWN_NOSAVE 2     /* Don't SAVE on SHUTDOWN. */
 

+/* Command call flags, see call() function */
+#define REDIS_CALL_NONE 0
+#define REDIS_CALL_SLOWLOG 1
+#define REDIS_CALL_STATS 2
+#define REDIS_CALL_PROPAGATE 4
+#define REDIS_CALL_FULL (REDIS_CALL_SLOWLOG | REDIS_CALL_STATS | REDIS_CALL_PROPAGATE)
+
+/* Command propagation flags, see propagate() function */
+#define REDIS_PROPAGATE_NONE 0
+#define REDIS_PROPAGATE_AOF 1
+#define REDIS_PROPAGATE_REPL 2
+

 /* We can print the stacktrace, so our assert is defined this way: */
 #define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
 #define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))
 /* We can print the stacktrace, so our assert is defined this way: */
 #define redisAssertWithInfo(_c,_o,_e) ((_e)?(void)0 : (_redisAssertWithInfo(_c,_o,#_e,__FILE__,__LINE__),_exit(1)))
 #define redisAssert(_e) ((_e)?(void)0 : (_redisAssert(#_e,__FILE__,__LINE__),_exit(1)))


@@ -300,8 +330,10 @@ typedef struct redisClient {
     int multibulklen;       /* number of multi bulk arguments left to read */
     long bulklen;           /* length of bulk argument in multi bulk request */
     list *reply;
     int multibulklen;       /* number of multi bulk arguments left to read */
     long bulklen;           /* length of bulk argument in multi bulk request */
     list *reply;

+    unsigned long reply_bytes; /* Tot bytes of objects in reply list */

     int sentlen;
     time_t lastinteraction; /* time of the last interaction, used for timeout */
     int sentlen;
     time_t lastinteraction; /* time of the last interaction, used for timeout */

+    time_t obuf_soft_limit_reached_time;

     int flags;              /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */
     int slaveseldb;         /* slave selected db, if this client is a slave */
     int authenticated;      /* when requirepass is non-NULL */
     int flags;              /* REDIS_SLAVE | REDIS_MONITOR | REDIS_MULTI ... */
     int slaveseldb;         /* slave selected db, if this client is a slave */
     int authenticated;      /* when requirepass is non-NULL */


@@ -331,12 +363,14 @@ struct sharedObjectsStruct {
     robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space,
     *colon, *nullbulk, *nullmultibulk, *queued,
     *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,
     robj *crlf, *ok, *err, *emptybulk, *czero, *cone, *cnegone, *pong, *space,
     *colon, *nullbulk, *nullmultibulk, *queued,
     *emptymultibulk, *wrongtypeerr, *nokeyerr, *syntaxerr, *sameobjecterr,

-    *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *plus,
-    *select0, *select1, *select2, *select3, *select4,
+    *outofrangeerr, *noscripterr, *loadingerr, *slowscripterr, *bgsaveerr,
+    *plus, *select0, *select1, *select2, *select3, *select4,

     *select5, *select6, *select7, *select8, *select9,
     *select5, *select6, *select7, *select8, *select9,

-    *messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk, *mbulk3,
-    *mbulk4, *psubscribebulk, *punsubscribebulk,
-    *integers[REDIS_SHARED_INTEGERS];
+    *messagebulk, *pmessagebulk, *subscribebulk, *unsubscribebulk,
+    *psubscribebulk, *punsubscribebulk, *del, *rpop, *lpop,
+    *integers[REDIS_SHARED_INTEGERS],
+    *mbulkhdr[REDIS_SHARED_BULKHDR_LEN], /* "*<value>\r\n" */
+    *bulkhdr[REDIS_SHARED_BULKHDR_LEN];  /* "$<value>\r\n" */

 };
 
 /* ZSETs use a specialized version of Skiplists */
 };
 
 /* ZSETs use a specialized version of Skiplists */


@@ -361,133 +395,35 @@ typedef struct zset {
     zskiplist *zsl;
 } zset;
 
     zskiplist *zsl;
 } zset;
 

-/*-----------------------------------------------------------------------------
- * Redis cluster data structures
- *----------------------------------------------------------------------------*/
-
-#define REDIS_CLUSTER_SLOTS 4096
-#define REDIS_CLUSTER_OK 0          /* Everything looks ok */
-#define REDIS_CLUSTER_FAIL 1        /* The cluster can't work */
-#define REDIS_CLUSTER_NEEDHELP 2    /* The cluster works, but needs some help */
-#define REDIS_CLUSTER_NAMELEN 40    /* sha1 hex length */
-#define REDIS_CLUSTER_PORT_INCR 10000 /* Cluster port = baseport + PORT_INCR */
-
-struct clusterNode;
-
-/* clusterLink encapsulates everything needed to talk with a remote node. */
-typedef struct clusterLink {
-    int fd;                     /* TCP socket file descriptor */
-    sds sndbuf;                 /* Packet send buffer */
-    sds rcvbuf;                 /* Packet reception buffer */
-    struct clusterNode *node;   /* Node related to this link if any, or NULL */
-} clusterLink;
-
-/* Node flags */
-#define REDIS_NODE_MASTER 1     /* The node is a master */
-#define REDIS_NODE_SLAVE 2      /* The node is a slave */
-#define REDIS_NODE_PFAIL 4      /* Failure? Need acknowledge */
-#define REDIS_NODE_FAIL 8       /* The node is believed to be malfunctioning */
-#define REDIS_NODE_MYSELF 16    /* This node is myself */
-#define REDIS_NODE_HANDSHAKE 32 /* We have still to exchange the first ping */
-#define REDIS_NODE_NOADDR   64  /* We don't know the address of this node */
-#define REDIS_NODE_MEET 128     /* Send a MEET message to this node */
-#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"
-
-struct clusterNode {
-    char name[REDIS_CLUSTER_NAMELEN]; /* Node name, hex string, sha1-size */
-    int flags;      /* REDIS_NODE_... */
-    unsigned char slots[REDIS_CLUSTER_SLOTS/8]; /* slots handled by this node */
-    int numslaves;  /* Number of slave nodes, if this is a master */
-    struct clusterNode **slaves; /* pointers to slave nodes */
-    struct clusterNode *slaveof; /* pointer to the master node */
-    time_t ping_sent;       /* Unix time we sent latest ping */
-    time_t pong_received;   /* Unix time we received the pong */
-    char *configdigest;         /* Configuration digest of this node */
-    time_t configdigest_ts;     /* Configuration digest timestamp */
-    char ip[16];                /* Latest known IP address of this node */
-    int port;                   /* Latest known port of this node */
-    clusterLink *link;          /* TCP/IP link with this node */
-};
-typedef struct clusterNode clusterNode;
+typedef struct clientBufferLimitsConfig {
+    unsigned long long hard_limit_bytes;
+    unsigned long long soft_limit_bytes;
+    time_t soft_limit_seconds;
+} clientBufferLimitsConfig;

 
 

-typedef struct {
-    char *configfile;
-    clusterNode *myself;  /* This node */
-    int state;            /* REDIS_CLUSTER_OK, REDIS_CLUSTER_FAIL, ... */
-    int node_timeout;
-    dict *nodes;          /* Hash table of name -> clusterNode 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 */
-
-/* Note that the PING, PONG and MEET messages are actually the same exact
- * kind of packet. PONG is the reply to ping, in the extact format as a PING,
- * while MEET is a special PING that forces the receiver to add the sender
- * as a node (if it is not already in the list). */
-#define CLUSTERMSG_TYPE_PING 0          /* Ping */
-#define CLUSTERMSG_TYPE_PONG 1          /* Pong (reply to Ping) */
-#define CLUSTERMSG_TYPE_MEET 2          /* Meet "let's join" message */
-#define CLUSTERMSG_TYPE_FAIL 3          /* Mark node xxx as failing */
-#define CLUSTERMSG_TYPE_PUBLISH 4       /* Pub/Sub Publish propatagion */
-
-/* Initially we don't know our "name", but we'll find it once we connect
- * to the first node, using the getsockname() function. Then we'll use this
- * address for all the next messages. */
-typedef struct {
-    char nodename[REDIS_CLUSTER_NAMELEN];
-    uint32_t ping_sent;
-    uint32_t pong_received;
-    char ip[16];    /* IP address last time it was seen */
-    uint16_t port;  /* port last time it was seen */
-    uint16_t flags;
-    uint32_t notused; /* for 64 bit alignment */
-} clusterMsgDataGossip;
-
-typedef struct {
-    char nodename[REDIS_CLUSTER_NAMELEN];
-} clusterMsgDataFail;
-
-typedef struct {
-    uint32_t channel_len;
-    uint32_t message_len;
-    unsigned char bulk_data[8]; /* defined as 8 just for alignment concerns. */
-} clusterMsgDataPublish;
-
-union clusterMsgData {
-    /* PING, MEET and PONG */
-    struct {
-        /* Array of N clusterMsgDataGossip structures */
-        clusterMsgDataGossip gossip[1];
-    } ping;
-
-    /* FAIL */
-    struct {
-        clusterMsgDataFail about;
-    } fail;
-
-    /* PUBLISH */
-    struct {
-        clusterMsgDataPublish msg;
-    } publish;
-};
+/* The redisOp structure defines a Redis Operation, that is an instance of
+ * a command with an argument vector, database ID, propagation target
+ * (REDIS_PROPAGATE_*), and command pointer.
+ *
+ * Currently only used to additionally propagate more commands to AOF/Replication
+ * after the propagation of the executed command. */
+typedef struct redisOp {
+    robj **argv;
+    int argc, dbid, target;
+    struct redisCommand *cmd;
+} redisOp;

 
 

-typedef struct {
-    uint32_t totlen;    /* Total length of this message */
-    uint16_t type;      /* Message type */
-    uint16_t count;     /* Only used for some kind of messages. */
-    char sender[REDIS_CLUSTER_NAMELEN]; /* Name of the sender node */
-    unsigned char myslots[REDIS_CLUSTER_SLOTS/8];
-    char slaveof[REDIS_CLUSTER_NAMELEN];
-    char configdigest[32];
-    uint16_t port;      /* Sender TCP base port */
-    unsigned char state; /* Cluster state from the POV of the sender */
-    unsigned char notused[5]; /* Reserved for future use. For alignment. */
-    union clusterMsgData data;
-} clusterMsg;
+/* Defines an array of Redis operations. There is an API to add to this
+ * structure in a easy way.
+ *
+ * redisOpArrayInit();
+ * redisOpArrayAppend();
+ * redisOpArrayFree();
+ */
+typedef struct redisOpArray {
+    redisOp *ops;
+    int numops;
+} redisOpArray;

 
 /*-----------------------------------------------------------------------------
  * Global server state
 
 /*-----------------------------------------------------------------------------
  * Global server state


@@ -498,136 +434,146 @@ struct redisServer {
     redisDb *db;
     dict *commands;             /* Command table hahs table */
     aeEventLoop *el;
     redisDb *db;
     dict *commands;             /* Command table hahs table */
     aeEventLoop *el;

+    unsigned lruclock:22;       /* Clock incrementing every minute, for LRU */
+    unsigned lruclock_padding:10;
+    int shutdown_asap;          /* SHUTDOWN needed ASAP */
+    int activerehashing;        /* Incremental rehash in serverCron() */
+    char *requirepass;          /* Pass for AUTH command, or NULL */
+    char *pidfile;              /* PID file path */
+    int arch_bits;              /* 32 or 64 depending on sizeof(long) */
+    int cronloops;              /* Number of times the cron function run */
+    char runid[REDIS_RUN_ID_SIZE+1];  /* ID always different at every exec. */

     /* Networking */
     /* Networking */

-    int port;
-    char *bindaddr;
-    char *unixsocket;
-    mode_t unixsocketperm;
-    int ipfd;
-    int sofd;
-    int cfd;
-    list *clients;
-    list *slaves, *monitors;
-    char neterr[ANET_ERR_LEN];
+    int port;                   /* TCP listening port */
+    char *bindaddr;             /* Bind address or NULL */
+    char *unixsocket;           /* UNIX socket path */
+    mode_t unixsocketperm;      /* UNIX socket permission */
+    int ipfd;                   /* TCP socket file descriptor */
+    int sofd;                   /* Unix socket file descriptor */
+    list *clients;              /* List of active clients */
+    list *clients_to_close;     /* Clients to close asynchronously */
+    list *slaves, *monitors;    /* List of slaves and MONITORs */
+    redisClient *current_client; /* Current client, only used on crash report */
+    char neterr[ANET_ERR_LEN];  /* Error buffer for anet.c */

     /* RDB / AOF loading information */
     /* RDB / AOF loading information */

-    int loading;
+    int loading;                /* We are loading data from disk if true */

     off_t loading_total_bytes;
     off_t loading_loaded_bytes;
     time_t loading_start_time;
     /* Fast pointers to often looked up command */
     off_t loading_total_bytes;
     off_t loading_loaded_bytes;
     time_t loading_start_time;
     /* Fast pointers to often looked up command */

-    struct redisCommand *delCommand, *multiCommand;
-    int cronloops;              /* number of times the cron function run */
-    time_t lastsave;                /* Unix time of last save succeeede */
+    struct redisCommand *delCommand, *multiCommand, *lpushCommand;

     /* Fields used only for stats */
     /* Fields used only for stats */

-    time_t stat_starttime;          /* server start time */
-    long long stat_numcommands;     /* number of processed commands */
-    long long stat_numconnections;  /* number of connections received */
-    long long stat_expiredkeys;     /* number of expired keys */
-    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() */
-    long long stat_rejected_conn;   /* clients rejected because of maxclients */
-    list *slowlog;
-    long long slowlog_entry_id;
-    long long slowlog_log_slower_than;
-    unsigned long slowlog_max_len;
+    time_t stat_starttime;          /* Server start time */
+    long long stat_numcommands;     /* Number of processed commands */
+    long long stat_numconnections;  /* Number of connections received */
+    long long stat_expiredkeys;     /* Number of expired keys */
+    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() */
+    long long stat_rejected_conn;   /* Clients rejected because of maxclients */
+    list *slowlog;                  /* SLOWLOG list of commands */
+    long long slowlog_entry_id;     /* SLOWLOG current entry ID */
+    long long slowlog_log_slower_than; /* SLOWLOG time limit (to get logged) */
+    unsigned long slowlog_max_len;     /* SLOWLOG max number of items logged */
+    /* The following two are used to track instantaneous "load" in terms
+     * of operations per second. */
+    long long ops_sec_last_sample_time; /* Timestamp of last sample (in ms) */
+    long long ops_sec_last_sample_ops;  /* numcommands in last sample */
+    long long ops_sec_samples[REDIS_OPS_SEC_SAMPLES];
+    int ops_sec_idx;

     /* Configuration */
     /* Configuration */

-    int verbosity;
-    int maxidletime;
-    size_t client_max_querybuf_len;
-    int dbnum;
-    int daemonize;
-    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;              /* SHUTDOWN needed */
-    int activerehashing;
-    char *requirepass;
-    /* Persistence */
-    long long dirty;            /* changes to DB from the last save */
-    long long dirty_before_bgsave; /* used to restore dirty on failed BGSAVE */
-    time_t lastfsync;
-    int appendfd;
-    int appendseldb;
-    time_t aof_flush_postponed_start;
-    char *pidfile;
-    pid_t bgsavechildpid;
-    pid_t bgrewritechildpid;
-    sds bgrewritebuf; /* buffer taken by parent during oppend only rewrite */
-    sds aofbuf;       /* AOF buffer, written before entering the event loop */
-    struct saveparam *saveparams;
-    int saveparamslen;
-    char *dbfilename;
-    int rdbcompression;
-    char *appendfilename;
+    int verbosity;                  /* Loglevel in redis.conf */
+    int maxidletime;                /* Client timeout in seconds */
+    size_t client_max_querybuf_len; /* Limit for client query buffer length */
+    int dbnum;                      /* Total number of configured DBs */
+    int daemonize;                  /* True if running as a daemon */
+    clientBufferLimitsConfig client_obuf_limits[REDIS_CLIENT_LIMIT_NUM_CLASSES];
+    /* AOF persistence */
+    int aof_state;                  /* REDIS_AOF_(ON|OFF|WAIT_REWRITE) */
+    int aof_fsync;                  /* Kind of fsync() policy */
+    char *aof_filename;             /* Name of the AOF file */
+    int aof_no_fsync_on_rewrite;    /* Don't fsync if a rewrite is in prog. */
+    int aof_rewrite_perc;           /* Rewrite AOF if % growth is > M and... */
+    off_t aof_rewrite_min_size;     /* the AOF file is at least N bytes. */
+    off_t aof_rewrite_base_size;    /* AOF size on latest startup or rewrite. */
+    off_t aof_current_size;         /* AOF current size. */
+    int aof_rewrite_scheduled;      /* Rewrite once BGSAVE terminates. */
+    pid_t aof_child_pid;            /* PID if rewriting process */
+    sds aof_rewrite_buf; /* buffer taken by parent during oppend only rewrite */
+    sds aof_buf;      /* AOF buffer, written before entering the event loop */
+    int aof_fd;       /* File descriptor of currently selected AOF file */
+    int aof_selected_db; /* Currently selected DB in AOF */
+    time_t aof_flush_postponed_start; /* UNIX time of postponed AOF flush */
+    time_t aof_last_fsync;            /* UNIX time of last fsync() */
+    /* RDB persistence */
+    long long dirty;                /* Changes to DB from the last save */
+    long long dirty_before_bgsave;  /* Used to restore dirty on failed BGSAVE */
+    pid_t rdb_child_pid;            /* PID of RDB saving child */
+    struct saveparam *saveparams;   /* Save points array for RDB */
+    int saveparamslen;              /* Number of saving points */
+    char *rdb_filename;             /* Name of RDB file */
+    int rdb_compression;            /* Use compression in RDB? */
+    time_t lastsave;                /* Unix time of last save succeeede */
+    int lastbgsave_status;          /* REDIS_OK or REDIS_ERR */
+    int stop_writes_on_bgsave_err;  /* Don't allow writes if can't BGSAVE */
+    /* Propagation of commands in AOF / replication */
+    redisOpArray also_propagate;    /* Additional command to propagate. */

     /* Logging */
     /* Logging */

-    char *logfile;
-    int syslog_enabled;
-    char *syslog_ident;
-    int syslog_facility;
-    /* Replication related */
-    int isslave;
+    char *logfile;                  /* Path of log file */
+    int syslog_enabled;             /* Is syslog enabled? */
+    char *syslog_ident;             /* Syslog ident */
+    int syslog_facility;            /* Syslog facility */

     /* Slave specific fields */
     /* Slave specific fields */

-    char *masterauth;
-    char *masterhost;
-    int masterport;
-    int repl_ping_slave_period;
-    int repl_timeout;
-    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 */
-    int repl_transfer_fd;   /* slave -> master SYNC temp file descriptor */
-    char *repl_transfer_tmpfile; /* slave-> master SYNC temp file name */
-    time_t repl_transfer_lastio; /* unix time of the latest read, for timeout */
+    char *masterauth;               /* AUTH with this password with master */
+    char *masterhost;               /* Hostname of master */
+    int masterport;                 /* Port of master */
+    int repl_ping_slave_period;     /* Master pings the salve every N seconds */
+    int repl_timeout;               /* Timeout after N seconds of master idle */
+    redisClient *master;     /* Client that is master for this slave */
+    int repl_syncio_timeout; /* Timeout for synchronous I/O calls */
+    int repl_state;          /* 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 */
+    int repl_transfer_fd;    /* Slave -> Master SYNC temp file descriptor */
+    char *repl_transfer_tmpfile; /* Slave-> master SYNC temp file name */
+    time_t repl_transfer_lastio; /* Unix time of the latest read, for timeout */

     int repl_serve_stale_data; /* Serve stale data when link is down? */
     int repl_serve_stale_data; /* Serve stale data when link is down? */

-    time_t repl_down_since; /* unix time at which link with master went down */
+    time_t repl_down_since; /* Unix time at which link with master went down */

     /* Limits */
     /* Limits */

-    unsigned int maxclients;
-    unsigned long long maxmemory;
-    int maxmemory_policy;
-    int maxmemory_samples;
+    unsigned int maxclients;        /* Max number of simultaneous clients */
+    unsigned long long maxmemory;   /* Max number of memory bytes to use */
+    int maxmemory_policy;           /* Policy for key evition */
+    int maxmemory_samples;          /* Pricision of random sampling */

     /* Blocked clients */
     /* Blocked clients */

-    unsigned int bpop_blocked_clients;
+    unsigned int bpop_blocked_clients; /* Number of clients blocked by lists */

     list *unblocked_clients; /* list of clients to unblock before next loop */
     /* Sort parameters - qsort_r() is only available under BSD so we
      * have to take this state global, in order to pass it to sortCompare() */
     list *unblocked_clients; /* list of clients to unblock before next loop */
     /* Sort parameters - qsort_r() is only available under BSD so we
      * have to take this state global, in order to pass it to sortCompare() */

+    int sort_dontsort;

     int sort_desc;
     int sort_alpha;
     int sort_bypattern;
     int sort_desc;
     int sort_alpha;
     int sort_bypattern;

-    /* Zip structure config */
-    size_t hash_max_zipmap_entries;
-    size_t hash_max_zipmap_value;
+    /* Zip structure config, see redis.conf for more information  */
+    size_t hash_max_ziplist_entries;
+    size_t hash_max_ziplist_value;

     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;
     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. */
+    time_t unixtime;        /* Unix time sampled every second. */

     /* Pubsub */
     /* Pubsub */

-    dict *pubsub_channels; /* Map channels to list of subscribed clients */
-    list *pubsub_patterns; /* A list of pubsub_patterns */
-    /* Misc */
-    unsigned lruclock:22;        /* clock incrementing every minute, for LRU */
-    unsigned lruclock_padding:10;
-    /* Cluster */
-    int cluster_enabled;
-    clusterState cluster;
+    dict *pubsub_channels;  /* Map channels to list of subscribed clients */
+    list *pubsub_patterns;  /* A list of pubsub_patterns */

     /* Scripting */
     lua_State *lua; /* The Lua interpreter. We use just one for all clients */
     /* Scripting */
     lua_State *lua; /* The Lua interpreter. We use just one for all clients */

-    redisClient *lua_client; /* The "fake client" to query Redis from Lua */
-    redisClient *lua_caller; /* The client running EVAL right now, or NULL */
-    dict *lua_scripts; /* A dictionary of SHA1 -> Lua scripts */
-    long long lua_time_limit;
-    long long lua_time_start;
+    redisClient *lua_client;   /* The "fake client" to query Redis from Lua */
+    redisClient *lua_caller;   /* The client running EVAL right now, or NULL */
+    dict *lua_scripts;         /* A dictionary of SHA1 -> Lua scripts */
+    long long lua_time_limit;  /* Script timeout in seconds */
+    long long lua_time_start;  /* Start time of script */

     int lua_write_dirty;  /* True if a write command was called during the
                              execution of the current script. */
     int lua_random_dirty; /* True if a random command was called during the
     int lua_write_dirty;  /* True if a write command was called during the
                              execution of the current script. */
     int lua_random_dirty; /* True if a random command was called during the


@@ -639,7 +585,7 @@ struct redisServer {
     char *assert_failed;
     char *assert_file;
     int assert_line;
     char *assert_failed;
     char *assert_file;
     int assert_line;

-    int bug_report_start; /* True if bug report header already logged. */
+    int bug_report_start; /* True if bug report header was already logged. */

 };
 
 typedef struct pubsubPattern {
 };
 
 typedef struct pubsubPattern {


@@ -655,8 +601,7 @@ struct redisCommand {
     int arity;
     char *sflags; /* Flags as string represenation, one char per flag. */
     int flags;    /* The actual flags, obtained from the 'sflags' field. */
     int arity;
     char *sflags; /* Flags as string represenation, one char per flag. */
     int flags;    /* The actual flags, obtained from the 'sflags' field. */

-    /* Use a function to determine keys arguments in a command line.
-     * Used for Redis Cluster redirect. */
+    /* Use a function to determine keys arguments in a command line. */

     redisGetKeysProc *getkeys_proc;
     /* What keys should be loaded in background when calling this command? */
     int firstkey; /* The first argument that's a key (0 = no keys) */
     redisGetKeysProc *getkeys_proc;
     /* What keys should be loaded in background when calling this command? */
     int firstkey; /* The first argument that's a key (0 = no keys) */


@@ -712,10 +657,10 @@ typedef struct {
  * not both are required, store pointers in the iterator to avoid
  * unnecessary memory allocation for fields/values. */
 typedef struct {
  * not both are required, store pointers in the iterator to avoid
  * unnecessary memory allocation for fields/values. */
 typedef struct {

+    robj *subject;

     int encoding;
     int encoding;

-    unsigned char *zi;
-    unsigned char *zk, *zv;
-    unsigned int zklen, zvlen;
+
+    unsigned char *fptr, *vptr;

 
     dictIterator *di;
     dictEntry *de;
 
     dictIterator *di;
     dictEntry *de;


@@ -732,7 +677,6 @@ extern struct redisServer server;
 extern struct sharedObjectsStruct shared;
 extern dictType setDictType;
 extern dictType zsetDictType;
 extern struct sharedObjectsStruct shared;
 extern dictType setDictType;
 extern dictType zsetDictType;

-extern dictType clusterNodesDictType;

 extern dictType dbDictType;
 extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
 dictType hashDictType;
 extern dictType dbDictType;
 extern double R_Zero, R_PosInf, R_NegInf, R_Nan;
 dictType hashDictType;


@@ -744,6 +688,7 @@ dictType hashDictType;
 /* Utils */
 long long ustime(void);
 long long mstime(void);
 /* Utils */
 long long ustime(void);
 long long mstime(void);

+void getRandomHexChars(char *p, unsigned int len);

 
 /* networking.c -- Networking and Client related operations */
 redisClient *createClient(int fd);
 
 /* networking.c -- Networking and Client related operations */
 redisClient *createClient(int fd);


@@ -771,6 +716,7 @@ 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 addReplyDouble(redisClient *c, double d);
 void addReplyLongLong(redisClient *c, long long ll);
 void addReplyMultiBulkLen(redisClient *c, long length);

+void copyClientOutputBuffer(redisClient *dst, redisClient *src);

 void *dupClientReplyValue(void *o);
 void getClientsMaxBuffers(unsigned long *longest_output_list,
                           unsigned long *biggest_input_buffer);
 void *dupClientReplyValue(void *o);
 void getClientsMaxBuffers(unsigned long *longest_output_list,
                           unsigned long *biggest_input_buffer);


@@ -778,6 +724,12 @@ sds getClientInfoString(redisClient *client);
 sds getAllClientsInfoString(void);
 void rewriteClientCommandVector(redisClient *c, int argc, ...);
 void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);
 sds getAllClientsInfoString(void);
 void rewriteClientCommandVector(redisClient *c, int argc, ...);
 void rewriteClientCommandArgument(redisClient *c, int i, robj *newval);

+unsigned long getClientOutputBufferMemoryUsage(redisClient *c);
+void freeClientsInAsyncFreeQueue(void);
+void asyncCloseClientOnOutputBufferLimitReached(redisClient *c);
+int getClientLimitClassByName(char *name);
+char *getClientLimitClassName(int class);
+void flushSlavesOutputBuffers(void);

 
 #ifdef __GNUC__
 void addReplyErrorFormat(redisClient *c, const char *fmt, ...)
 
 #ifdef __GNUC__
 void addReplyErrorFormat(redisClient *c, const char *fmt, ...)


@@ -794,7 +746,7 @@ void listTypeTryConversion(robj *subject, robj *value);
 void listTypePush(robj *subject, robj *value, int where);
 robj *listTypePop(robj *subject, int where);
 unsigned long listTypeLength(robj *subject);
 void listTypePush(robj *subject, robj *value, int where);
 robj *listTypePop(robj *subject, int where);
 unsigned long listTypeLength(robj *subject);

-listTypeIterator *listTypeInitIterator(robj *subject, int index, unsigned char direction);
+listTypeIterator *listTypeInitIterator(robj *subject, long index, unsigned char direction);

 void listTypeReleaseIterator(listTypeIterator *li);
 int listTypeNext(listTypeIterator *li, listTypeEntry *entry);
 robj *listTypeGet(listTypeEntry *entry);
 void listTypeReleaseIterator(listTypeIterator *li);
 int listTypeNext(listTypeIterator *li, listTypeEntry *entry);
 robj *listTypeGet(listTypeEntry *entry);


@@ -858,7 +810,7 @@ int syncReadLine(int fd, char *ptr, ssize_t size, int timeout);
 
 /* Replication */
 void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc);
 
 /* Replication */
 void replicationFeedSlaves(list *slaves, int dictid, robj **argv, int argc);

-void replicationFeedMonitors(list *monitors, int dictid, robj **argv, int argc);
+void replicationFeedMonitors(redisClient *c, list *monitors, int dictid, robj **argv, int argc);

 void updateSlavesWaitingBgsave(int bgsaveerr);
 void replicationCron(void);
 
 void updateSlavesWaitingBgsave(int bgsaveerr);
 void replicationCron(void);
 


@@ -901,12 +853,14 @@ unsigned int zsetLength(robj *zobj);
 void zsetConvert(robj *zobj, int encoding);
 
 /* Core functions */
 void zsetConvert(robj *zobj, int encoding);
 
 /* Core functions */

-void freeMemoryIfNeeded(void);
+int freeMemoryIfNeeded(void);

 int processCommand(redisClient *c);
 void setupSignalHandlers(void);
 struct redisCommand *lookupCommand(sds name);
 struct redisCommand *lookupCommandByCString(char *s);
 int processCommand(redisClient *c);
 void setupSignalHandlers(void);
 struct redisCommand *lookupCommand(sds name);
 struct redisCommand *lookupCommandByCString(char *s);

-void call(redisClient *c);
+void call(redisClient *c, int flags);
+void propagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int flags);
+void alsoPropagate(struct redisCommand *cmd, int dbid, robj **argv, int argc, int target);

 int prepareForShutdown();
 void redisLog(int level, const char *fmt, ...);
 void redisLogRaw(int level, const char *msg);
 int prepareForShutdown();
 void redisLog(int level, const char *fmt, ...);
 void redisLogRaw(int level, const char *msg);


@@ -931,10 +885,9 @@ unsigned long setTypeSize(robj *subject);
 void setTypeConvert(robj *subject, int enc);
 
 /* Hash data type */
 void setTypeConvert(robj *subject, int enc);
 
 /* Hash data type */

-void convertToRealHash(robj *o);
+void hashTypeConvert(robj *o, int enc);

 void hashTypeTryConversion(robj *subject, robj **argv, int start, int end);
 void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2);
 void hashTypeTryConversion(robj *subject, robj **argv, int start, int end);
 void hashTypeTryObjectEncoding(robj *subject, robj **o1, robj **o2);

-int hashTypeGet(robj *o, robj *key, robj **objval, unsigned char **v, unsigned int *vlen);

 robj *hashTypeGetObject(robj *o, robj *key);
 int hashTypeExists(robj *o, robj *key);
 int hashTypeSet(robj *o, robj *key, robj *value);
 robj *hashTypeGetObject(robj *o, robj *key);
 int hashTypeExists(robj *o, robj *key);
 int hashTypeSet(robj *o, robj *key, robj *value);


@@ -943,7 +896,11 @@ unsigned long hashTypeLength(robj *o);
 hashTypeIterator *hashTypeInitIterator(robj *subject);
 void hashTypeReleaseIterator(hashTypeIterator *hi);
 int hashTypeNext(hashTypeIterator *hi);
 hashTypeIterator *hashTypeInitIterator(robj *subject);
 void hashTypeReleaseIterator(hashTypeIterator *hi);
 int hashTypeNext(hashTypeIterator *hi);

-int hashTypeCurrent(hashTypeIterator *hi, int what, robj **objval, unsigned char **v, unsigned int *vlen);
+void hashTypeCurrentFromZiplist(hashTypeIterator *hi, int what,
+                                unsigned char **vstr,
+                                unsigned int *vlen,
+                                long long *vll);
+void hashTypeCurrentFromHashTable(hashTypeIterator *hi, int what, robj **dst);

 robj *hashTypeCurrentObject(hashTypeIterator *hi, int what);
 robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key);
 
 robj *hashTypeCurrentObject(hashTypeIterator *hi, int what);
 robj *hashTypeLookupWriteOrCreate(redisClient *c, robj *key);
 


@@ -991,16 +948,6 @@ int *noPreloadGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numke
 int *renameGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
 int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
 
 int *renameGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
 int *zunionInterGetKeys(struct redisCommand *cmd,robj **argv, int argc, int *numkeys, int flags);
 

-/* Cluster */
-void clusterInit(void);
-unsigned short crc16(const char *buf, int len);
-unsigned int keyHashSlot(char *key, int keylen);
-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, int *ask);
-void clusterPropagatePublish(robj *channel, robj *message);
-

 /* Scripting */
 void scriptingInit(void);
 
 /* Scripting */
 void scriptingInit(void);
 


@@ -1132,16 +1079,15 @@ void punsubscribeCommand(redisClient *c);
 void publishCommand(redisClient *c);
 void watchCommand(redisClient *c);
 void unwatchCommand(redisClient *c);
 void publishCommand(redisClient *c);
 void watchCommand(redisClient *c);
 void unwatchCommand(redisClient *c);

-void clusterCommand(redisClient *c);

 void restoreCommand(redisClient *c);
 void migrateCommand(redisClient *c);
 void restoreCommand(redisClient *c);
 void migrateCommand(redisClient *c);

-void askingCommand(redisClient *c);

 void dumpCommand(redisClient *c);
 void objectCommand(redisClient *c);
 void clientCommand(redisClient *c);
 void evalCommand(redisClient *c);
 void evalShaCommand(redisClient *c);
 void scriptCommand(redisClient *c);
 void dumpCommand(redisClient *c);
 void objectCommand(redisClient *c);
 void clientCommand(redisClient *c);
 void evalCommand(redisClient *c);
 void evalShaCommand(redisClient *c);
 void scriptCommand(redisClient *c);

+void timeCommand(redisClient *c);

 
 #if defined(__GNUC__)
 void *calloc(size_t count, size_t size) __attribute__ ((deprecated));
 
 #if defined(__GNUC__)
 void *calloc(size_t count, size_t size) __attribute__ ((deprecated));


@@ -1155,5 +1101,7 @@ void _redisAssertWithInfo(redisClient *c, robj *o, char *estr, char *file, int l
 void _redisAssert(char *estr, char *file, int line);
 void _redisPanic(char *msg, char *file, int line);
 void bugReportStart(void);
 void _redisAssert(char *estr, char *file, int line);
 void _redisPanic(char *msg, char *file, int line);
 void bugReportStart(void);

-
+void redisLogObjectDebugInfo(robj *o);
+void sigsegvHandler(int sig, siginfo_t *info, void *secret);
+sds genRedisInfoString(char *section);

 #endif
 #endif