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command.h
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command.h
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#ifndef __COMMAND_H_
#define __COMMAND_H_
#include <stdint.h>
#include "hiredis.h"
#include "adlist.h"
typedef enum cmd_parse_result {
CMD_PARSE_OK, /* parsing ok */
CMD_PARSE_ENOMEM, /* out of memory */
CMD_PARSE_ERROR, /* parsing error */
CMD_PARSE_REPAIR, /* more to parse -> repair parsed & unparsed data */
CMD_PARSE_AGAIN, /* incomplete -> parse again */
} cmd_parse_result_t;
#define CMD_TYPE_CODEC(ACTION) \
ACTION( UNKNOWN ) \
ACTION( REQ_REDIS_DEL ) /* redis commands - keys */ \
ACTION( REQ_REDIS_EXISTS ) \
ACTION( REQ_REDIS_EXPIRE ) \
ACTION( REQ_REDIS_EXPIREAT ) \
ACTION( REQ_REDIS_PEXPIRE ) \
ACTION( REQ_REDIS_PEXPIREAT ) \
ACTION( REQ_REDIS_PERSIST ) \
ACTION( REQ_REDIS_PTTL ) \
ACTION( REQ_REDIS_SORT ) \
ACTION( REQ_REDIS_TTL ) \
ACTION( REQ_REDIS_TYPE ) \
ACTION( REQ_REDIS_APPEND ) /* redis requests - string */ \
ACTION( REQ_REDIS_BITCOUNT ) \
ACTION( REQ_REDIS_DECR ) \
ACTION( REQ_REDIS_DECRBY ) \
ACTION( REQ_REDIS_DUMP ) \
ACTION( REQ_REDIS_GET ) \
ACTION( REQ_REDIS_GETBIT ) \
ACTION( REQ_REDIS_GETRANGE ) \
ACTION( REQ_REDIS_GETSET ) \
ACTION( REQ_REDIS_INCR ) \
ACTION( REQ_REDIS_INCRBY ) \
ACTION( REQ_REDIS_INCRBYFLOAT ) \
ACTION( REQ_REDIS_MGET ) \
ACTION( REQ_REDIS_MSET ) \
ACTION( REQ_REDIS_PSETEX ) \
ACTION( REQ_REDIS_RESTORE ) \
ACTION( REQ_REDIS_SET ) \
ACTION( REQ_REDIS_SETBIT ) \
ACTION( REQ_REDIS_SETEX ) \
ACTION( REQ_REDIS_SETNX ) \
ACTION( REQ_REDIS_SETRANGE ) \
ACTION( REQ_REDIS_STRLEN ) \
ACTION( REQ_REDIS_HDEL ) /* redis requests - hashes */ \
ACTION( REQ_REDIS_HEXISTS ) \
ACTION( REQ_REDIS_HGET ) \
ACTION( REQ_REDIS_HGETALL ) \
ACTION( REQ_REDIS_HINCRBY ) \
ACTION( REQ_REDIS_HINCRBYFLOAT ) \
ACTION( REQ_REDIS_HKEYS ) \
ACTION( REQ_REDIS_HLEN ) \
ACTION( REQ_REDIS_HMGET ) \
ACTION( REQ_REDIS_HMSET ) \
ACTION( REQ_REDIS_HSET ) \
ACTION( REQ_REDIS_HSETNX ) \
ACTION( REQ_REDIS_HSCAN) \
ACTION( REQ_REDIS_HVALS ) \
ACTION( REQ_REDIS_LINDEX ) /* redis requests - lists */ \
ACTION( REQ_REDIS_LINSERT ) \
ACTION( REQ_REDIS_LLEN ) \
ACTION( REQ_REDIS_LPOP ) \
ACTION( REQ_REDIS_LPUSH ) \
ACTION( REQ_REDIS_LPUSHX ) \
ACTION( REQ_REDIS_LRANGE ) \
ACTION( REQ_REDIS_LREM ) \
ACTION( REQ_REDIS_LSET ) \
ACTION( REQ_REDIS_LTRIM ) \
ACTION( REQ_REDIS_PFADD ) /* redis requests - hyperloglog */ \
ACTION( REQ_REDIS_PFCOUNT ) \
ACTION( REQ_REDIS_PFMERGE ) \
ACTION( REQ_REDIS_RPOP ) \
ACTION( REQ_REDIS_RPOPLPUSH ) \
ACTION( REQ_REDIS_RPUSH ) \
ACTION( REQ_REDIS_RPUSHX ) \
ACTION( REQ_REDIS_SADD ) /* redis requests - sets */ \
ACTION( REQ_REDIS_SCARD ) \
ACTION( REQ_REDIS_SDIFF ) \
ACTION( REQ_REDIS_SDIFFSTORE ) \
ACTION( REQ_REDIS_SINTER ) \
ACTION( REQ_REDIS_SINTERSTORE ) \
ACTION( REQ_REDIS_SISMEMBER ) \
ACTION( REQ_REDIS_SMEMBERS ) \
ACTION( REQ_REDIS_SMOVE ) \
ACTION( REQ_REDIS_SPOP ) \
ACTION( REQ_REDIS_SRANDMEMBER ) \
ACTION( REQ_REDIS_SREM ) \
ACTION( REQ_REDIS_SUNION ) \
ACTION( REQ_REDIS_SUNIONSTORE ) \
ACTION( REQ_REDIS_SSCAN) \
ACTION( REQ_REDIS_ZADD ) /* redis requests - sorted sets */ \
ACTION( REQ_REDIS_ZCARD ) \
ACTION( REQ_REDIS_ZCOUNT ) \
ACTION( REQ_REDIS_ZINCRBY ) \
ACTION( REQ_REDIS_ZINTERSTORE ) \
ACTION( REQ_REDIS_ZLEXCOUNT ) \
ACTION( REQ_REDIS_ZRANGE ) \
ACTION( REQ_REDIS_ZRANGEBYLEX ) \
ACTION( REQ_REDIS_ZRANGEBYSCORE ) \
ACTION( REQ_REDIS_ZRANK ) \
ACTION( REQ_REDIS_ZREM ) \
ACTION( REQ_REDIS_ZREMRANGEBYRANK ) \
ACTION( REQ_REDIS_ZREMRANGEBYLEX ) \
ACTION( REQ_REDIS_ZREMRANGEBYSCORE ) \
ACTION( REQ_REDIS_ZREVRANGE ) \
ACTION( REQ_REDIS_ZREVRANGEBYSCORE ) \
ACTION( REQ_REDIS_ZREVRANK ) \
ACTION( REQ_REDIS_ZSCORE ) \
ACTION( REQ_REDIS_ZUNIONSTORE ) \
ACTION( REQ_REDIS_ZSCAN) \
ACTION( REQ_REDIS_EVAL ) /* redis requests - eval */ \
ACTION( REQ_REDIS_EVALSHA ) \
ACTION( REQ_REDIS_PING ) /* redis requests - ping/quit */ \
ACTION( REQ_REDIS_QUIT) \
ACTION( REQ_REDIS_AUTH) \
ACTION( RSP_REDIS_STATUS ) /* redis response */ \
ACTION( RSP_REDIS_ERROR ) \
ACTION( RSP_REDIS_INTEGER ) \
ACTION( RSP_REDIS_BULK ) \
ACTION( RSP_REDIS_MULTIBULK ) \
ACTION( SENTINEL ) \
#define DEFINE_ACTION(_name) CMD_##_name,
typedef enum cmd_type {
CMD_TYPE_CODEC(DEFINE_ACTION)
} cmd_type_t;
#undef DEFINE_ACTION
struct keypos {
char *start; /* key start pos */
char *end; /* key end pos */
uint32_t remain_len; /* remain length after keypos->end for more key-value pairs in command, like mset */
};
struct cmd {
uint64_t id; /* command id */
cmd_parse_result_t result; /* command parsing result */
char *errstr; /* error info when the command parse failed */
cmd_type_t type; /* command type */
char *cmd;
uint32_t clen; /* command length */
struct hiarray *keys; /* array of keypos, for req */
char *narg_start; /* narg start (redis) */
char *narg_end; /* narg end (redis) */
uint32_t narg; /* # arguments (redis) */
unsigned quit:1; /* quit request? */
unsigned noforward:1; /* not need forward (example: ping) */
int slot_num; /* this command should send to witch slot?
* -1:the keys in this command cross different slots*/
struct cmd **frag_seq; /* sequence of fragment command, map from keys to fragments*/
redisReply *reply;
hilist *sub_commands; /* just for pipeline and multi-key commands */
};
void redis_parse_cmd(struct cmd *r);
struct cmd *command_get(void);
void command_destroy(struct cmd *command);
#endif