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

This commit is contained in:
antirez
2012-03-10 12:26:37 +01:00
parent 87faf90696
commit 571e257db1
8 changed files with 193 additions and 2015 deletions

View File

@ -425,134 +425,6 @@ typedef struct redisOpArray {
int numops;
} redisOpArray;
/*-----------------------------------------------------------------------------
* 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 {
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;
};
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;
/*-----------------------------------------------------------------------------
* Global server state
*----------------------------------------------------------------------------*/
@ -578,7 +450,6 @@ struct redisServer {
mode_t unixsocketperm; /* UNIX socket permission */
int ipfd; /* TCP socket file descriptor */
int sofd; /* Unix socket file descriptor */
int cfd; /* Cluster bus lisetning socket */
list *clients; /* List of active clients */
list *clients_to_close; /* Clients to close asynchronously */
list *slaves, *monitors; /* List of slaves and MONITORs */
@ -696,9 +567,6 @@ struct redisServer {
/* Pubsub */
dict *pubsub_channels; /* Map channels to list of subscribed clients */
list *pubsub_patterns; /* A list of pubsub_patterns */
/* Cluster */
int cluster_enabled; /* Is cluster enabled? */
clusterState cluster; /* State of the cluster */
/* 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 */
@ -733,8 +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. */
/* 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) */
@ -810,7 +677,6 @@ extern struct redisServer server;
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;
@ -1082,16 +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);
/* 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);
@ -1223,10 +1079,8 @@ void punsubscribeCommand(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 askingCommand(redisClient *c);
void dumpCommand(redisClient *c);
void objectCommand(redisClient *c);
void clientCommand(redisClient *c);