common.h

#include "php.h"
#include "php_ini.h"

#ifndef REDIS_COMMON_H
#define REDIS_COMMON_H

#define PHPREDIS_CTX_PTR ((void *)0xDEADC0DE)
#define PHPREDIS_NOTUSED(v) ((void)v)

#include "zend_llist.h"
#include <ext/standard/php_var.h>
#include <ext/standard/php_math.h>
#include <zend_smart_str.h>
#include <ext/standard/php_smart_string.h>

#define PHPREDIS_GET_OBJECT(class_entry, o) (class_entry *)((char *)o - XtOffsetOf(class_entry, std))
#define PHPREDIS_ZVAL_GET_OBJECT(class_entry, z) PHPREDIS_GET_OBJECT(class_entry, Z_OBJ_P(z))

/* NULL check so Eclipse doesn't go crazy */
#ifndef NULL
#define NULL   ((void *) 0)
#endif

typedef enum {
    REDIS_SOCK_STATUS_FAILED = -1,
    REDIS_SOCK_STATUS_DISCONNECTED,
    REDIS_SOCK_STATUS_CONNECTED,
    REDIS_SOCK_STATUS_READY
} redis_sock_status;

#define _NL "\r\n"

/* properties */
#define REDIS_NOT_FOUND 0
#define REDIS_STRING    1
#define REDIS_SET       2
#define REDIS_LIST      3
#define REDIS_ZSET      4
#define REDIS_HASH      5
#define REDIS_STREAM    6

#ifdef PHP_WIN32
#define PHP_REDIS_API __declspec(dllexport)
#define phpredis_atoi64(p) _atoi64((p))
#else
#define PHP_REDIS_API
#define phpredis_atoi64(p) atoll((p))
#endif

/* reply types */
typedef enum _REDIS_REPLY_TYPE {
    TYPE_EOF       = -1,
    TYPE_LINE      = '+',
    TYPE_INT       = ':',
    TYPE_ERR       = '-',
    TYPE_BULK      = '$',
    TYPE_MULTIBULK = '*'
} REDIS_REPLY_TYPE;

/* SCAN variants */
typedef enum _REDIS_SCAN_TYPE {
    TYPE_SCAN,
    TYPE_SSCAN,
    TYPE_HSCAN,
    TYPE_ZSCAN
} REDIS_SCAN_TYPE;

/* PUBSUB subcommands */
typedef enum _PUBSUB_TYPE {
    PUBSUB_CHANNELS,
    PUBSUB_NUMSUB,
    PUBSUB_NUMPAT
} PUBSUB_TYPE;

/* options */
#define REDIS_OPT_SERIALIZER            1
#define REDIS_OPT_PREFIX                2
#define REDIS_OPT_READ_TIMEOUT          3
#define REDIS_OPT_SCAN                  4
#define REDIS_OPT_FAILOVER              5
#define REDIS_OPT_TCP_KEEPALIVE         6
#define REDIS_OPT_COMPRESSION           7
#define REDIS_OPT_REPLY_LITERAL         8
#define REDIS_OPT_COMPRESSION_LEVEL     9
#define REDIS_OPT_NULL_MBULK_AS_NULL    10
#define REDIS_OPT_IGBINARY_NO_STRINGS   11
#define REDIS_OPT_COMPRESSION_MIN_SIZE  12
#define REDIS_OPT_COMPRESSION_MIN_RATIO 13

/* cluster options */
#define REDIS_FAILOVER_NONE              0
#define REDIS_FAILOVER_ERROR             1
#define REDIS_FAILOVER_DISTRIBUTE        2
#define REDIS_FAILOVER_DISTRIBUTE_SLAVES 3
/* serializers */
typedef enum {
    REDIS_SERIALIZER_NONE,
    REDIS_SERIALIZER_PHP,
    REDIS_SERIALIZER_IGBINARY,
    REDIS_SERIALIZER_MSGPACK,
    REDIS_SERIALIZER_JSON
} redis_serializer;
/* compression */
#define REDIS_COMPRESSION_NONE 0
#define REDIS_COMPRESSION_LZF  1
#define REDIS_COMPRESSION_ZSTD 2
#define REDIS_COMPRESSION_LZ4  3

/* SCAN options */
#define REDIS_SCAN_NORETRY 0
#define REDIS_SCAN_RETRY   1
#define REDIS_SCAN_PREFIX  2
#define REDIS_SCAN_NOPREFIX 3

/* GETBIT/SETBIT offset range limits */
#define BITOP_MIN_OFFSET 0
#define BITOP_MAX_OFFSET 4294967295U

/* Transaction modes */
#define ATOMIC   0
#define MULTI    1
#define PIPELINE 2

#define IS_ATOMIC(redis_sock) (redis_sock->mode == ATOMIC)
#define IS_MULTI(redis_sock) (redis_sock->mode & MULTI)
#define IS_PIPELINE(redis_sock) (redis_sock->mode & PIPELINE)

#define PIPELINE_ENQUEUE_COMMAND(cmd, cmd_len) do { \
    if (redis_sock->pipeline_cmd == NULL) { \
        redis_sock->pipeline_cmd = zend_string_init(cmd, cmd_len, 0); \
    } else { \
        size_t pipeline_len = ZSTR_LEN(redis_sock->pipeline_cmd); \
        redis_sock->pipeline_cmd = zend_string_realloc(redis_sock->pipeline_cmd, pipeline_len + cmd_len, 0); \
        memcpy(&ZSTR_VAL(redis_sock->pipeline_cmd)[pipeline_len], cmd, cmd_len); \
    } \
} while (0)

#define SOCKET_WRITE_COMMAND(redis_sock, cmd, cmd_len) \
    if(redis_sock_write(redis_sock, cmd, cmd_len) < 0) { \
    efree(cmd); \
    RETURN_FALSE; \
}

#define REDIS_SAVE_CALLBACK(callback, closure_context) do { \
    fold_item *fi = malloc(sizeof(fold_item)); \
    fi->fun = callback; \
    fi->ctx = closure_context; \
    fi->next = NULL; \
    if (redis_sock->current) { \
        redis_sock->current->next = fi; \
    } \
    redis_sock->current = fi; \
    if (NULL == redis_sock->head) { \
        redis_sock->head = redis_sock->current; \
    } \
} while (0)

#define REDIS_PROCESS_REQUEST(redis_sock, cmd, cmd_len) \
    if (IS_PIPELINE(redis_sock)) { \
        PIPELINE_ENQUEUE_COMMAND(cmd, cmd_len); \
    } else { \
        SOCKET_WRITE_COMMAND(redis_sock, cmd, cmd_len); \
    } \
    efree(cmd);

#define REDIS_PROCESS_RESPONSE_CLOSURE(function, closure_context) \
    if (!IS_PIPELINE(redis_sock)) { \
        if (redis_response_enqueued(redis_sock) != SUCCESS) { \
            RETURN_FALSE; \
        } \
    } \
    REDIS_SAVE_CALLBACK(function, closure_context); \
    RETURN_ZVAL(getThis(), 1, 0); \

#define REDIS_PROCESS_RESPONSE(function) else { \
    REDIS_PROCESS_RESPONSE_CLOSURE(function, NULL) \
}

/* Clear redirection info */
#define REDIS_MOVED_CLEAR(redis_sock) \
    redis_sock->redir_slot = 0; \
    redis_sock->redir_port = 0; \
    redis_sock->redir_type = MOVED_NONE; \

/* Process a command assuming our command where our command building
 * function is redis_<cmdname>_cmd */
#define REDIS_PROCESS_CMD(cmdname, resp_func) \
    RedisSock *redis_sock; char *cmd; int cmd_len; void *ctx=NULL; \
    if ((redis_sock = redis_sock_get(getThis(), 0)) == NULL || \
       redis_##cmdname##_cmd(INTERNAL_FUNCTION_PARAM_PASSTHRU,redis_sock, \
                             &cmd, &cmd_len, NULL, &ctx)==FAILURE) { \
            RETURN_FALSE; \
    } \
    REDIS_PROCESS_REQUEST(redis_sock, cmd, cmd_len); \
    if (IS_ATOMIC(redis_sock)) { \
        resp_func(INTERNAL_FUNCTION_PARAM_PASSTHRU, redis_sock, NULL, ctx); \
    } else { \
        REDIS_PROCESS_RESPONSE_CLOSURE(resp_func, ctx) \
    }

/* Process a command but with a specific command building function
 * and keyword which is passed to us*/
#define REDIS_PROCESS_KW_CMD(kw, cmdfunc, resp_func) \
    RedisSock *redis_sock; char *cmd; int cmd_len; void *ctx=NULL; \
    if ((redis_sock = redis_sock_get(getThis(), 0)) == NULL || \
       cmdfunc(INTERNAL_FUNCTION_PARAM_PASSTHRU, redis_sock, kw, &cmd, \
               &cmd_len, NULL, &ctx)==FAILURE) { \
            RETURN_FALSE; \
    } \
    REDIS_PROCESS_REQUEST(redis_sock, cmd, cmd_len); \
    if (IS_ATOMIC(redis_sock)) { \
        resp_func(INTERNAL_FUNCTION_PARAM_PASSTHRU, redis_sock, NULL, ctx); \
    } else { \
        REDIS_PROCESS_RESPONSE_CLOSURE(resp_func, ctx) \
    }

/* Case sensitive compare against compile-time static string */
#define REDIS_STRCMP_STATIC(s, len, sstr) \
    (len == sizeof(sstr) - 1 && !strncmp(s, sstr, len))

/* Case insensitive compare against compile-time static string */
#define REDIS_STRICMP_STATIC(s, len, sstr) \
    (len == sizeof(sstr) - 1 && !strncasecmp(s, sstr, len))

/* Test if a zval is a string and (case insensitive) matches a static string */
#define ZVAL_STRICMP_STATIC(zv, sstr) \
    REDIS_STRICMP_STATIC(Z_STRVAL_P(zv), Z_STRLEN_P(zv), sstr)

/* Case insensitive compare of a zend_string to a static string */
#define ZSTR_STRICMP_STATIC(zs, sstr) \
    REDIS_STRICMP_STATIC(ZSTR_VAL(zs), ZSTR_LEN(zs), sstr)

/* Extended SET argument detection */
#define ZSTR_IS_EX_ARG(zs) ZSTR_STRICMP_STATIC(zs, "EX")
#define ZSTR_IS_PX_ARG(zs) ZSTR_STRICMP_STATIC(zs, "PX")
#define ZSTR_IS_NX_ARG(zs) ZSTR_STRICMP_STATIC(zs, "NX")
#define ZSTR_IS_XX_ARG(zs) ZSTR_STRICMP_STATIC(zs, "XX")

#define ZVAL_IS_NX_XX_ARG(zv) (ZVAL_STRICMP_STATIC(zv, "NX") || ZVAL_STRICMP_STATIC(zv, "XX"))
#define ZSTR_IS_EX_PX_ARG(a) (ZSTR_IS_EX_ARG(a) || ZSTR_IS_PX_ARG(a))

/* Given a string and length, validate a zRangeByLex argument.  The semantics
 * here are that the argument must start with '(' or '[' or be just the char
 * '+' or '-' */
#define IS_LEX_ARG(s,l) \
    (l>0 && (*s=='(' || *s=='[' || (l==1 && (*s=='+' || *s=='-'))))

#define REDIS_ENABLE_MODE(redis_sock, m) (redis_sock->mode |= m)
#define REDIS_DISABLE_MODE(redis_sock, m) (redis_sock->mode &= ~m)

/* HOST_NAME_MAX doesn't exist everywhere */
#ifndef HOST_NAME_MAX
    #if defined(_POSIX_HOST_NAME_MAX)
        #define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
    #elif defined(MAXHOSTNAMELEN)
        #define HOST_NAME_MAX MAXHOSTNAMELEN
    #else
        #define HOST_NAME_MAX 255
    #endif
#endif

/* {{{ struct RedisSock */
typedef struct {
    php_stream         *stream;
    php_stream_context *stream_ctx;
    zend_string        *host;
    int                port;
    zend_string        *user;
    zend_string        *pass;
    double             timeout;
    double             read_timeout;
    long               retry_interval;
    redis_sock_status  status;
    int                persistent;
    int                watching;
    zend_string        *persistent_id;

    redis_serializer   serializer;
    int                no_strings;
    int                compression;
    int                compression_level;
    int                compression_min_size;
    double             compression_min_ratio;
    long               dbNumber;

    zend_string        *prefix;

    short              mode;
    struct fold_item   *head;
    struct fold_item   *current;

    zend_string        *pipeline_cmd;

    zend_string        *err;

    int                scan;

    int                readonly;
    int                reply_literal;
    int                null_mbulk_as_null;
    int                tcp_keepalive;
} RedisSock;
/* }}} */

/* Redis response handler function callback prototype */
typedef void (*ResultCallback)(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, zval *z_tab, void *ctx);
typedef int (*FailableResultCallback)(INTERNAL_FUNCTION_PARAMETERS, RedisSock*, zval*, void*);

typedef struct fold_item {
    FailableResultCallback fun;
    void *ctx;
    struct fold_item *next;
} fold_item;

typedef struct {
    zend_llist list;
    int nb_active;
} ConnectionPool;

typedef struct {
    RedisSock *sock;
    zend_object std;
} redis_object;

/** Argument info for any function expecting 0 args */
ZEND_BEGIN_ARG_INFO_EX(arginfo_void, 0, 0, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key, 0, 0, 1)
    ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_value, 0, 0, 1)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_value, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_expire_value, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, expire)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_newkey, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, newkey)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_pairs, 0, 0, 1)
    ZEND_ARG_ARRAY_INFO(0, pairs, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_nkeys, 0, 0, 1)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_VARIADIC_INFO(0, other_keys)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_dst_nkeys, 0, 0, 2)
    ZEND_ARG_INFO(0, dst)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_VARIADIC_INFO(0, other_keys)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_min_max, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, min)
    ZEND_ARG_INFO(0, max)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_member, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, member)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_member_value, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, member)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_members, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, member)
    ZEND_ARG_VARIADIC_INFO(0, other_members)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_timestamp, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, timestamp)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_offset, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, offset)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_offset_value, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, offset)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_swapdb, 0, 0, 2)
    ZEND_ARG_INFO(0, srcdb)
    ZEND_ARG_INFO(0, dstdb)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_key_start_end, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, start)
    ZEND_ARG_INFO(0, end)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_echo, 0, 0, 1)
    ZEND_ARG_INFO(0, msg)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_expire, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, timeout)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_set, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, value)
    ZEND_ARG_INFO(0, opts)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_lset, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, index)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_blrpop, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, timeout_or_key)
    ZEND_ARG_VARIADIC_INFO(0, extra_args)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_linsert, 0, 0, 4)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, position)
    ZEND_ARG_INFO(0, pivot)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_lindex, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, index)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_brpoplpush, 0, 0, 3)
    ZEND_ARG_INFO(0, src)
    ZEND_ARG_INFO(0, dst)
    ZEND_ARG_INFO(0, timeout)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_rpoplpush, 0, 0, 2)
    ZEND_ARG_INFO(0, src)
    ZEND_ARG_INFO(0, dst)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_sadd_array, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_ARRAY_INFO(0, options, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_srand_member, 0, 0, 1)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, count)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_zadd, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, score)
    ZEND_ARG_INFO(0, value)
    ZEND_ARG_VARIADIC_INFO(0, extra_args)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_zincrby, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, value)
    ZEND_ARG_INFO(0, member)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_hmget, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_ARRAY_INFO(0, keys, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_hmset, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_ARRAY_INFO(0, pairs, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_bitop, 0, 0, 3)
    ZEND_ARG_INFO(0, operation)
    ZEND_ARG_INFO(0, ret_key)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_VARIADIC_INFO(0, other_keys)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_bitpos, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, bit)
    ZEND_ARG_INFO(0, start)
    ZEND_ARG_INFO(0, end)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_ltrim, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, start)
    ZEND_ARG_INFO(0, stop)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_publish, 0, 0, 2)
    ZEND_ARG_INFO(0, channel)
    ZEND_ARG_INFO(0, message)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_pfadd, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_ARRAY_INFO(0, elements, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_pfmerge, 0, 0, 2)
    ZEND_ARG_INFO(0, dstkey)
    ZEND_ARG_ARRAY_INFO(0, keys, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_restore, 0, 0, 3)
    ZEND_ARG_INFO(0, ttl)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_smove, 0, 0, 3)
    ZEND_ARG_INFO(0, src)
    ZEND_ARG_INFO(0, dst)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_zrange, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, start)
    ZEND_ARG_INFO(0, end)
    ZEND_ARG_INFO(0, scores)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_zrangebyscore, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, start)
    ZEND_ARG_INFO(0, end)
    ZEND_ARG_ARRAY_INFO(0, options, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_zrangebylex, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, min)
    ZEND_ARG_INFO(0, max)
    ZEND_ARG_INFO(0, offset)
    ZEND_ARG_INFO(0, limit)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_zstore, 0, 0, 2)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_ARRAY_INFO(0, keys, 0)
    ZEND_ARG_ARRAY_INFO(0, weights, 1)
    ZEND_ARG_INFO(0, aggregate)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_sort, 0, 0, 1)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_ARRAY_INFO(0, options, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_object, 0, 0, 2)
    ZEND_ARG_INFO(0, field)
    ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_subscribe, 0, 0, 2)
    ZEND_ARG_ARRAY_INFO(0, channels, 0)
    ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_psubscribe, 0, 0, 2)
    ZEND_ARG_ARRAY_INFO(0, patterns, 0)
    ZEND_ARG_INFO(0, callback)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_unsubscribe, 0, 0, 1)
    ZEND_ARG_INFO(0, channel)
    ZEND_ARG_VARIADIC_INFO(0, other_channels)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_punsubscribe, 0, 0, 1)
    ZEND_ARG_INFO(0, pattern)
    ZEND_ARG_VARIADIC_INFO(0, other_patterns)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_eval, 0, 0, 1)
    ZEND_ARG_INFO(0, script)
    ZEND_ARG_INFO(0, args)
    ZEND_ARG_INFO(0, num_keys)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_evalsha, 0, 0, 1)
    ZEND_ARG_INFO(0, script_sha)
    ZEND_ARG_INFO(0, args)
    ZEND_ARG_INFO(0, num_keys)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_getoption, 0, 0, 1)
    ZEND_ARG_INFO(0, option)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_setoption, 0, 0, 2)
    ZEND_ARG_INFO(0, option)
    ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_watch, 0, 0, 1)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_VARIADIC_INFO(0, other_keys)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_command, 0, 0, 0)
    ZEND_ARG_VARIADIC_INFO(0, args)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_rawcommand, 0, 0, 1)
    ZEND_ARG_INFO(0, cmd)
    ZEND_ARG_VARIADIC_INFO(0, args)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_geoadd, 0, 0, 4)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, lng)
    ZEND_ARG_INFO(0, lat)
    ZEND_ARG_INFO(0, member)
    ZEND_ARG_VARIADIC_INFO(0, other_triples)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_geodist, 0, 0, 3)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, src)
    ZEND_ARG_INFO(0, dst)
    ZEND_ARG_INFO(0, unit)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_georadius, 0, 0, 5)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, lng)
    ZEND_ARG_INFO(0, lan)
    ZEND_ARG_INFO(0, radius)
    ZEND_ARG_INFO(0, unit)
    ZEND_ARG_ARRAY_INFO(0, opts, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_georadiusbymember, 0, 0, 4)
    ZEND_ARG_INFO(0, key)
    ZEND_ARG_INFO(0, member)
    ZEND_ARG_INFO(0, radius)
    ZEND_ARG_INFO(0, unit)
    ZEND_ARG_ARRAY_INFO(0, opts, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xadd, 0, 0, 3)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_id)
    ZEND_ARG_ARRAY_INFO(0, arr_fields, 0)
    ZEND_ARG_INFO(0, i_maxlen)
    ZEND_ARG_INFO(0, boo_approximate)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xpending, 0, 0, 2)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_group)
    ZEND_ARG_INFO(0, str_start)
    ZEND_ARG_INFO(0, str_end)
    ZEND_ARG_INFO(0, i_count)
    ZEND_ARG_INFO(0, str_consumer)
    ZEND_ARG_INFO(0, idle)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xrange, 0, 0, 3)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_start)
    ZEND_ARG_INFO(0, str_end)
    ZEND_ARG_INFO(0, i_count)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xread, 0, 0, 1)
    ZEND_ARG_ARRAY_INFO(0, arr_streams, 0)
    ZEND_ARG_INFO(0, i_count)
    ZEND_ARG_INFO(0, i_block)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xreadgroup, 0, 0, 3)
    ZEND_ARG_INFO(0, str_group)
    ZEND_ARG_INFO(0, str_consumer)
    ZEND_ARG_ARRAY_INFO(0, arr_streams, 0)
    ZEND_ARG_INFO(0, i_count)
    ZEND_ARG_INFO(0, i_block)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xack, 0, 0, 3)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_group)
    ZEND_ARG_ARRAY_INFO(0, arr_ids, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xclaim, 0, 0, 5)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_group)
    ZEND_ARG_INFO(0, str_consumer)
    ZEND_ARG_INFO(0, i_min_idle)
    ZEND_ARG_ARRAY_INFO(0, arr_ids, 0)
    ZEND_ARG_ARRAY_INFO(0, arr_opts, 0)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xgroup, 0, 0, 1)
    ZEND_ARG_INFO(0, str_operation)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_arg1)
    ZEND_ARG_INFO(0, str_arg2)
    ZEND_ARG_INFO(0, str_arg3)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xinfo, 0, 0, 1)
    ZEND_ARG_INFO(0, str_cmd)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, str_group)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xtrim, 0, 0, 2)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_INFO(0, i_maxlen)
    ZEND_ARG_INFO(0, boo_approximate)
ZEND_END_ARG_INFO()

ZEND_BEGIN_ARG_INFO_EX(arginfo_xdel, 0, 0, 2)
    ZEND_ARG_INFO(0, str_key)
    ZEND_ARG_ARRAY_INFO(0, arr_ids, 0)
ZEND_END_ARG_INFO()

#endif