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7518 lines (6300 loc) · 224 KB
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/* -*- Mode: C; tab-width: 4 -*- */
/*
+----------------------------------------------------------------------+
| Copyright (c) 1997-2009 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Original Author: Michael Grunder <michael.grunder@gmail.com |
| Maintainer: Nicolas Favre-Felix <n.favre-felix@owlient.eu> |
+----------------------------------------------------------------------+
*/
#include "hash/php_hash.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "redis_commands.h"
#include "php_network.h"
#ifndef PHP_WIN32
#include <netinet/tcp.h> /* TCP_KEEPALIVE */
#else
#include <winsock.h>
#endif
#ifdef HAVE_REDIS_JSON
#include <ext/json/php_json.h>
#endif
#include <zend_exceptions.h>
/* Georadius sort type */
typedef enum geoSortType {
SORT_NONE,
SORT_ASC,
SORT_DESC
} geoSortType;
/* Georadius store type */
typedef enum geoStoreType {
STORE_NONE,
STORE_COORD,
STORE_DIST
} geoStoreType;
/* Georadius options structure */
typedef struct geoOptions {
int withcoord;
int withdist;
int withhash;
long count;
zend_bool any;
geoSortType sort;
geoStoreType store;
zend_string *key;
} geoOptions;
typedef enum geosearchShape {
GEOSEARCH_SHAPE_RADIUS,
GEOSEARCH_SHAPE_BOX,
GEOSEARCH_SHAPE_POLYGON
} geosearchShape;
typedef enum geosearchPosition {
GEOSEARCH_POSITION_NONE,
GEOSEARCH_POSITION_MEMBER,
GEOSEARCH_POSITION_LONLAT
} geosearchPosition;
typedef struct geoSearchOptions {
geosearchShape shape_type;
geosearchPosition position_type;
union {
double radius;
HashTable *dimensions;
} shape;
union {
zend_string *member;
HashTable *coordinates;
} position;
int shape_argc;
int position_argc;
} geoSearchOptions;
typedef struct redisLcsOptions {
zend_bool len;
zend_bool idx;
zend_long minmatchlen;
zend_bool withmatchlen;
} redisLcsOptions;
typedef struct redisRestoreOptions {
zend_bool replace;
zend_bool absttl;
zend_long idletime;
zend_long freq;
} redisRestoreOptions;
typedef enum redisSetType {
REDIS_SET_NONE,
REDIS_SET_NX,
REDIS_SET_XX
} redisSetType;
typedef enum redisExpiryType {
REDIS_EXPIRY_NONE,
REDIS_EXPIRY_EX,
REDIS_EXPIRY_PX,
REDIS_EXPIRY_EXAT,
REDIS_EXPIRY_PXAT,
} redisExpiryType;
typedef enum redisEqType {
REDIS_IF_NONE,
REDIS_IFEQ,
REDIS_IFNE,
REDIS_IFDEQ,
REDIS_IFDNE
} redisEqType;
typedef struct redisExpiryOptions {
redisExpiryType type;
zend_long ttl;
zend_bool keepttl;
} redisExpiryOptions;
typedef struct redisSetOptions {
redisSetType type;
zend_bool get;
redisExpiryOptions expiry;
struct {
redisEqType type;
zval *zval;
} eq;
} redisSetOptions;
#define REDIS_ZCMD_HAS_DST_KEY (1 << 0)
#define REDIS_ZCMD_HAS_WITHSCORES (1 << 1)
#define REDIS_ZCMD_HAS_BY_LEX_SCORE (1 << 2)
#define REDIS_ZCMD_HAS_REV (1 << 3)
#define REDIS_ZCMD_HAS_LIMIT (1 << 4)
#define REDIS_ZCMD_INT_RANGE (1 << 5)
#define REDIS_ZCMD_HAS_AGGREGATE (1 << 6)
/* ZRANGE, ZRANGEBYSCORE, ZRANGESTORE options */
typedef struct redisZcmdOptions {
zend_bool withscores;
zend_bool byscore;
zend_bool bylex;
zend_bool rev;
zend_string *aggregate;
struct {
zend_bool enabled;
zend_long offset;
zend_long count;
} limit;
} redisZcmdOptions;
static zend_always_inline void redis_crosslot_warning(void) {
php_error_docref(NULL, E_WARNING,
"Warning, not all keys hash to the same slot!");
}
#define redis_cmd_try_cat_key(cmd, fn, ...) \
do { \
if (!fn((cmd), __VA_ARGS__)) { \
redis_crosslot_warning(); \
redis_cmd_free_ex(cmd, 1); \
return NULL; \
} \
} while (0)
#define redis_cmd_try_cat_key_zstr(cmd, zstr) \
redis_cmd_try_cat_key(cmd, redis_cmd_cat_key_zstr, zstr)
#define redis_cmd_try_cat_key_zval(cmd, zval) \
redis_cmd_try_cat_key(cmd, redis_cmd_cat_key_zval, zval)
static zend_always_inline void
redis_cmd_cat_channel_zstr(RedisCmd *cmd, zend_string *channel) {
zend_string *prefixed;
if (UNEXPECTED(cmd->redis_sock == NULL)) {
redis_cmd_cat_zstr(cmd, channel);
return;
}
prefixed = redis_key_prefix_zstr(cmd->redis_sock, channel);
if (cmd->redis_sock->type == REDIS_SOCK_CLUSTER) {
cmd->slot = cluster_hash_key(ZSTR_VAL(prefixed), ZSTR_LEN(prefixed));
}
redis_cmd_cat_zstr(cmd, prefixed);
zend_string_release(prefixed);
}
static zend_always_inline void
redis_cmd_cat_channel_zval(RedisCmd *cmd, zval *zv) {
zend_string *zstr, *tmp;
zstr = zval_get_tmp_string(zv, &tmp);
redis_cmd_cat_channel_zstr(cmd, zstr);
zend_tmp_string_release(tmp);
}
/* Generic commands based on method signature and what kind of things we're
* processing. Lots of Redis commands take something like key, value, or
* key, value long. Each unique signature like this is written only once */
/* A command that takes no arguments */
RedisCmd *redis_empty_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
RedisCmd *cmd;
if (zend_parse_parameters_none() == FAILURE) {
return NULL;
}
cmd = redis_cmd_create(redis_sock, kw, kw_len);
redis_cmd_randslot(cmd);
return cmd;
}
/* Helper to construct a raw command. Given that the cluster and non cluster
* versions are different (RedisCluster needs an additional argument to direct
* the command) we take the start of our array and count */
RedisCmd *redis_build_raw_cmd(zval *z_args, int argc) {
RedisCmd *cmd;
int i;
/* Make sure our first argument is a string */
if (Z_TYPE(z_args[0]) != IS_STRING) {
php_error_docref(NULL, E_WARNING,
"When sending a 'raw' command, the first argument must be a string!");
return NULL;
}
cmd = redis_cmd_create(NULL, Z_STRVAL(z_args[0]), Z_STRLEN(z_args[0]));
for (i = 1; i < argc; i++) {
switch (Z_TYPE(z_args[i])) {
case IS_STRING:
redis_cmd_cat_zstr(cmd, Z_STR(z_args[i]));
break;
case IS_LONG:
redis_cmd_cat_long(cmd, Z_LVAL(z_args[i]));
break;
case IS_DOUBLE:
redis_cmd_cat_double(cmd, Z_DVAL(z_args[i]));
break;
default:
php_error_docref(NULL, E_WARNING,
"Raw command arguments must be scalar values!");
redis_cmd_free(cmd);
return NULL;
}
}
return cmd;
}
RedisCmd *redis_build_script_cmd(int argc, zval *z_args) {
RedisCmd *cmd;
int i;
if (Z_TYPE(z_args[0]) != IS_STRING) {
return NULL;
}
cmd = redis_cmd_create_literal(NULL, "SCRIPT");
// Branch based on the directive
if (zend_string_equals_literal_ci(Z_STR(z_args[0]), "kill")) {
redis_cmd_cat_literal(cmd, "KILL");
} else if (zend_string_equals_literal_ci(Z_STR(z_args[0]), "flush")) {
// Simple SCRIPT FLUSH [ASYNC | SYNC]
if (argc > 1 && (
Z_TYPE(z_args[1]) != IS_STRING || (
!zend_string_equals_literal_ci(Z_STR(z_args[1]), "sync") &&
!zend_string_equals_literal_ci(Z_STR(z_args[1]), "async")
)
)) {
goto error;
}
redis_cmd_cat_literal(cmd, "FLUSH");
if (argc > 1) {
redis_cmd_cat_zval_zstr(cmd, &z_args[1]);
}
} else if (zend_string_equals_literal_ci(Z_STR(z_args[0]), "load")) {
// Make sure we have a second argument, and it's not empty. If it is
// empty, we can just return an empty array (which is what Redis does)
if (argc < 2 || Z_TYPE(z_args[1]) != IS_STRING || Z_STRLEN(z_args[1]) < 1) {
goto error;
}
redis_cmd_cat_literal(cmd, "LOAD");
redis_cmd_cat_zval_zstr(cmd, &z_args[1]);
} else if (zend_string_equals_literal_ci(Z_STR(z_args[0]), "exists")) {
// Make sure we have a second argument
if (argc < 2) {
goto error;
}
redis_cmd_cat_literal(cmd, "EXISTS");
for (i = 1; i < argc; ++i) {
redis_cmd_cat_zval_zstr(cmd, &z_args[i]);
}
} else {
goto error;
}
return cmd;
error:
redis_cmd_free(cmd);
return NULL;
}
/* Command that takes one optional string */
RedisCmd *redis_opt_str_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *arg = NULL;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_STR_OR_NULL(arg)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
cmd = redis_cmd_create(redis_sock, kw, kw_len);
if (arg != NULL)
redis_cmd_cat_zstr(cmd, arg);
return cmd;
}
/* Generic command where we just take a string and do nothing to it*/
RedisCmd *redis_str_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *arg;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STR(arg)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
cmd = redis_cmd_create(redis_sock, kw, kw_len);
redis_cmd_cat_zstr(cmd, arg);
return cmd;
}
/* Key, long, zval (serialized) */
RedisCmd *redis_key_long_val_cmd(INTERNAL_FUNCTION_PARAMETERS,
RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key = NULL;
zend_long expire;
zval *z_val;
ZEND_PARSE_PARAMETERS_START(3, 3)
Z_PARAM_STR(key)
Z_PARAM_LONG(expire)
Z_PARAM_ZVAL(z_val)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "Klv", key, expire, z_val);
}
/* Generic key, long, string (unserialized) */
RedisCmd *redis_key_long_str_cmd(INTERNAL_FUNCTION_PARAMETERS,
RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key, *val;
zend_long lval;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(3, 3)
Z_PARAM_STR(key)
Z_PARAM_LONG(lval)
Z_PARAM_STR(val)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
cmd = redis_cmd_create(redis_sock, kw, kw_len);
redis_cmd_cat_key_zstr(cmd, key);
redis_cmd_cat_long(cmd, lval);
redis_cmd_cat_zstr(cmd, val);
return cmd;
}
/* Generic command construction when we just take a key and value */
RedisCmd *redis_kv_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key;
zval *zv;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STR(key)
Z_PARAM_ZVAL(zv)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "Kv", key, zv);
}
/* Generic command that takes a key and an unserialized value */
RedisCmd *redis_key_str_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key, *val;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STR(key)
Z_PARAM_STR(val)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "KS", key, val);
}
/* Key, string, string without serialization (ZCOUNT, ZREMRANGEBYSCORE) */
RedisCmd *redis_key_str_str_cmd(INTERNAL_FUNCTION_PARAMETERS,
RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key, *str1, *str2;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(3, 3)
Z_PARAM_STR(key)
Z_PARAM_STR(str1)
Z_PARAM_STR(str2)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
cmd = redis_cmd_create(redis_sock, kw, kw_len);
redis_cmd_cat_key_zstr(cmd, key);
redis_cmd_cat_zstr(cmd, str1);
redis_cmd_cat_zstr(cmd, str2);
return cmd;
}
/* Generic command that takes two keys */
RedisCmd *redis_key_key_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key1 = NULL, *key2 = NULL;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STR(key1)
Z_PARAM_STR(key2)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
cmd = redis_cmd_create(redis_sock, kw, kw_len);
redis_cmd_cat_key_zstr(cmd, key1);
redis_cmd_try_cat_key_zstr(cmd, key2);
return cmd;
}
/* Generic command construction where we take a key and a long */
RedisCmd *redis_key_long_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key = NULL;
zend_long lval = 0;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STR(key)
Z_PARAM_LONG(lval)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "Kl", key, lval);
}
/* long, long */
RedisCmd *redis_long_long_cmd(INTERNAL_FUNCTION_PARAMETERS,
RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_long l1 = 0, l2 = 0;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_LONG(l1)
Z_PARAM_LONG(l2)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "ll", l1, l2);
}
/* key, long, long */
RedisCmd *redis_key_long_long_cmd(INTERNAL_FUNCTION_PARAMETERS,
RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_long val1, val2;
zend_string *key;
ZEND_PARSE_PARAMETERS_START(3, 3)
Z_PARAM_STR(key)
Z_PARAM_LONG(val1)
Z_PARAM_LONG(val2)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "Kll", key, val1, val2);
}
/* Generic command where we take a single key */
RedisCmd *redis_key_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_STR(key);
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "K", key);
}
RedisCmd *
redis_failover_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock)
{
zend_bool abort = 0, force = 0;
zend_long timeout = 0, port = 0;
zend_string *zkey, *host = NULL;
zval *z_to = NULL, *z_ele;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(0, 3)
Z_PARAM_OPTIONAL
Z_PARAM_ARRAY_OR_NULL(z_to)
Z_PARAM_BOOL(abort)
Z_PARAM_LONG(timeout)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
if (z_to != NULL) {
ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(z_to), zkey, z_ele) {
if (zkey != NULL) {
ZVAL_DEREF(z_ele);
if (zend_string_equals_literal_ci(zkey, "host")) {
host = zval_get_string(z_ele);
} else if (zend_string_equals_literal_ci(zkey, "port")) {
port = zval_get_long(z_ele);
} else if (zend_string_equals_literal_ci(zkey, "force")) {
force = zend_is_true(z_ele);
}
}
} ZEND_HASH_FOREACH_END();
if (!host || !port) {
php_error_docref(NULL, E_WARNING, "host and port must be provided!");
if (host) zend_string_release(host);
return NULL;
}
}
cmd = redis_cmd_create_literal(redis_sock, "FAILOVER");
if (host && port) {
redis_cmd_cat_literal(cmd, "TO");
redis_cmd_cat_zstr(cmd, host);
redis_cmd_cat_long(cmd, port);
if (force) {
redis_cmd_cat_literal(cmd, "FORCE");
}
zend_string_release(host);
}
if (abort) {
redis_cmd_cat_literal(cmd, "ABORT");
}
if (timeout > 0) {
redis_cmd_cat_literal(cmd, "TIMEOUT");
redis_cmd_cat_long(cmd, timeout);
}
return cmd;
}
RedisCmd *redis_flush_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_bool sync = 0;
zend_bool is_null = 1;
RedisCmd *cmd;
ZEND_PARSE_PARAMETERS_START(0, 1)
Z_PARAM_OPTIONAL
Z_PARAM_BOOL_OR_NULL(sync, is_null)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
cmd = redis_cmd_create(redis_sock, kw, kw_len);
if (!is_null) {
ZEND_ASSERT(sync == 0 || sync == 1);
if (sync == 0) {
redis_cmd_cat_literal(cmd, "ASYNC");
} else {
redis_cmd_cat_literal(cmd, "SYNC");
}
}
return cmd;
}
/* Generic command where we take a key and a double */
RedisCmd *redis_key_dbl_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zend_string *key;
double val;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_STR(key)
Z_PARAM_DOUBLE(val)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
return redis_cmd_fmt_ex(redis_sock, kw, kw_len, "Kf", key, val);
}
RedisCmd *redis_scan_cmd_create(RedisSock *redis_sock, REDIS_SCAN_TYPE type)
{
static const struct {
const char *str;
size_t len;
} keywords[] = {
{ZEND_STRL("SCAN")}, {ZEND_STRL("SSCAN")},
{ZEND_STRL("HSCAN")}, {ZEND_STRL("ZSCAN")}
};
ZEND_ASSERT(type <= TYPE_ZSCAN);
return redis_cmd_create(redis_sock, keywords[type].str, keywords[type].len);
}
/* The caller supplies an already-prefixed pattern, if prefixing is enabled. */
void redis_scan_cmd_append(RedisCmd *cmd, uint64_t cursor, const char *pat,
size_t pat_len, zend_long count)
{
redis_cmd_cat_u64(cmd, cursor);
if (count) {
redis_cmd_cat_literal(cmd, "COUNT");
redis_cmd_cat_long(cmd, count);
}
if (pat_len) {
redis_cmd_cat_literal(cmd, "MATCH");
redis_cmd_cat_str(cmd, pat, pat_len);
}
}
/* Cluster key scans prefix and hash the key, including an empty key. */
RedisCmd *
redis_fmt_scan_cmd(RedisSock *redis_sock, REDIS_SCAN_TYPE type, const char *key,
int key_len, uint64_t it, const char *pat, int pat_len,
long count)
{
RedisCmd *cmd = redis_scan_cmd_create(redis_sock, type);
if (type != TYPE_SCAN && !redis_cmd_cat_key_str(cmd, key, key_len)) {
redis_cmd_free(cmd);
return NULL;
}
redis_scan_cmd_append(cmd, it, pat, pat_len, count);
return cmd;
}
static void redis_get_zcmd_options(redisZcmdOptions *dst, zval *src, int flags) {
zval *zv, *zoff, *zcnt;
zend_string *key;
ZEND_ASSERT(dst != NULL);
memset(dst, 0, sizeof(*dst));
if (src == NULL)
return;
if (Z_TYPE_P(src) != IS_ARRAY) {
if (Z_TYPE_P(src) == IS_TRUE && (flags & REDIS_ZCMD_HAS_WITHSCORES))
dst->withscores = 1;
return;
}
ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(src), key, zv) {
ZVAL_DEREF(zv);
if (key) {
if ((flags & REDIS_ZCMD_HAS_WITHSCORES) && zend_string_equals_literal_ci(key, "WITHSCORES"))
dst->withscores = zend_is_true(zv);
else if ((flags & REDIS_ZCMD_HAS_LIMIT) && zend_string_equals_literal_ci(key, "LIMIT") &&
Z_TYPE_P(zv) == IS_ARRAY)
{
if ((zoff = zend_hash_index_find(Z_ARRVAL_P(zv), 0)) != NULL &&
(zcnt = zend_hash_index_find(Z_ARRVAL_P(zv), 1)) != NULL)
{
dst->limit.enabled = 1;
dst->limit.offset = zval_get_long(zoff);
dst->limit.count = zval_get_long(zcnt);
} else {
php_error_docref(NULL, E_WARNING, "LIMIT offset and count must be an array with twe elements");
}
} else if ((flags & REDIS_ZCMD_HAS_AGGREGATE && zend_string_equals_literal_ci(key, "AGGREGATE")) &&
Z_TYPE_P(zv) == IS_STRING)
{
if (Z_TYPE_P(zv) != IS_STRING || (!zend_string_equals_literal_ci(Z_STR_P(zv), "SUM") &&
!zend_string_equals_literal_ci(Z_STR_P(zv), "MIN") &&
!zend_string_equals_literal_ci(Z_STR_P(zv), "MAX") &&
!zend_string_equals_literal_ci(Z_STR_P(zv), "COUNT")))
{
php_error_docref(NULL, E_WARNING, "Valid AGGREGATE options are 'SUM', 'MIN', 'MAX', or 'COUNT'");
} else {
dst->aggregate = Z_STR_P(zv);
}
}
} else if (Z_TYPE_P(zv) == IS_STRING) {
key = Z_STR_P(zv);
if ((flags & REDIS_ZCMD_HAS_BY_LEX_SCORE) && zend_string_equals_literal_ci(key, "BYSCORE"))
dst->byscore = 1, dst->bylex = 0;
else if ((flags & REDIS_ZCMD_HAS_BY_LEX_SCORE) && zend_string_equals_literal_ci(key, "BYLEX"))
dst->bylex = 1, dst->byscore = 0;
else if ((flags & REDIS_ZCMD_HAS_REV) && zend_string_equals_literal_ci(key, "REV"))
dst->rev = 1;
else if ((flags & REDIS_ZCMD_HAS_WITHSCORES && zend_string_equals_literal_ci(key, "WITHSCORES")))
dst->withscores = 1;
}
} ZEND_HASH_FOREACH_END();
}
#if defined(__clang__) || \
(defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
#define PHPREDIS_HAVE_BSWAP32 1
#endif
static void redis_copy_fp32(char *dst, float src) {
#ifdef PHPREDIS_BIG_ENDIAN
#ifdef PHPREDIS_HAVE_BSWAP32
uint32_t val;
memcpy(&val, &src, sizeof(val));
val = __builtin_bswap32(val);
memcpy(dst, &val, sizeof(val));
#else
union {
float f;
unsigned char b[4];
} u;
u.f = src;
dst[0] = u.b[3];
dst[1] = u.b[2];
dst[2] = u.b[1];
dst[3] = u.b[0];
#endif
#else
memcpy(dst, &src, sizeof(src));
#endif
}
// + ZRANGE key start stop [BYSCORE | BYLEX] [REV] [LIMIT offset count] [WITHSCORES]
// + ZRANGESTORE dst src min max [BYSCORE | BYLEX] [REV] [LIMIT offset count]
// + ZREVRANGE key start stop [WITHSCORES]
// + ZRANGEBYSCORE key min max [LIMIT offset count] [WITHSCORES]
// + ZREVRANGEBYSCORE key max min [LIMIT offset count] [WITHSCORES]
// - ZRANGEBYLEX key min max [LIMIT offset count]
// - ZREVRANGEBYLEX key max min [LIMIT offset count]
// - ZDIFF [WITHSCORES]
// - ZUNION [WITHSCORES] [AGGREGATE X]
// - ZINTER [WITHSCORES] [AGGREGATE X]
static int redis_get_zcmd_flags(const char *kw, size_t kw_len) {
if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZRANGESTORE"))) {
return REDIS_ZCMD_HAS_DST_KEY |
REDIS_ZCMD_HAS_WITHSCORES |
REDIS_ZCMD_HAS_BY_LEX_SCORE |
REDIS_ZCMD_HAS_REV |
REDIS_ZCMD_HAS_LIMIT;
} else if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZRANGE"))) {
return REDIS_ZCMD_HAS_WITHSCORES |
REDIS_ZCMD_HAS_BY_LEX_SCORE |
REDIS_ZCMD_HAS_REV |
REDIS_ZCMD_HAS_LIMIT;
} else if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZREVRANGE"))) {
return REDIS_ZCMD_HAS_WITHSCORES |
REDIS_ZCMD_INT_RANGE;
} else if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZRANGEBYSCORE")) ||
redis_str_ieq(kw, kw_len, ZEND_STRL("ZREVRANGEBYSCORE")))
{
return REDIS_ZCMD_HAS_LIMIT |
REDIS_ZCMD_HAS_WITHSCORES;
} else if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZRANGEBYLEX")) ||
redis_str_ieq(kw, kw_len, ZEND_STRL("ZREVRANGEBYLEX")))
{
return REDIS_ZCMD_HAS_LIMIT;
} else if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZDIFF"))) {
return REDIS_ZCMD_HAS_WITHSCORES;
} else if (redis_str_ieq(kw, kw_len, ZEND_STRL("ZINTER")) ||
redis_str_ieq(kw, kw_len, ZEND_STRL("ZUNION")))
{
return REDIS_ZCMD_HAS_WITHSCORES |
REDIS_ZCMD_HAS_AGGREGATE;
}
/* All command keywords supplied by our callers must be handled above. */
ZEND_UNREACHABLE();
}
/* Validate ZLEX* min/max argument strings */
static int validate_zlex_arg(const char *str, size_t len) {
return (len > 1 && (*str == '[' || *str == '(')) ||
(len == 1 && (*str == '+' || *str == '-'));
}
static zend_always_inline int validate_zlex_arg_zstr(zend_string *z) {
return validate_zlex_arg(ZSTR_VAL(z), ZSTR_LEN(z));
}
static int validate_zlex_arg_zval(zval *z) {
return Z_TYPE_P(z) == IS_STRING && validate_zlex_arg_zstr(Z_STR_P(z));
}
RedisCmd *redis_zrange_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock, const char *kw, size_t kw_len)
{
zval *zoptions = NULL, *zstart = NULL, *zend = NULL;
zend_string *dst = NULL, *src = NULL;
zend_long start = 0, end = 0;
redisZcmdOptions opt;
int min_argc, flags;
RedisCmd *cmd;
flags = redis_get_zcmd_flags(kw, kw_len);
min_argc = 3 + (flags & REDIS_ZCMD_HAS_DST_KEY);
ZEND_PARSE_PARAMETERS_START(min_argc, min_argc + 1)
if (flags & REDIS_ZCMD_HAS_DST_KEY) {
Z_PARAM_STR(dst)
}
Z_PARAM_STR(src)
if (flags & REDIS_ZCMD_INT_RANGE) {
Z_PARAM_LONG(start)
Z_PARAM_LONG(end)
} else {
Z_PARAM_ZVAL(zstart)
Z_PARAM_ZVAL(zend)
}
Z_PARAM_OPTIONAL
Z_PARAM_ZVAL_OR_NULL(zoptions)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
redis_get_zcmd_options(&opt, zoptions, flags);
if (opt.bylex) {
ZEND_ASSERT(!(flags & REDIS_ZCMD_INT_RANGE));
if (!validate_zlex_arg_zval(zstart) || !validate_zlex_arg_zval(zend)) {
php_error_docref(NULL, E_WARNING, "Legographical args must start with '[' or '(' or be '+' or '-'");
return NULL;
}
}
cmd = redis_cmd_create(redis_sock, kw, kw_len);
if ((flags & REDIS_ZCMD_HAS_DST_KEY))
redis_cmd_try_cat_key_zstr(cmd, dst);
redis_cmd_try_cat_key_zstr(cmd, src);
if (flags & REDIS_ZCMD_INT_RANGE) {
redis_cmd_cat_long(cmd, start);
redis_cmd_cat_long(cmd, end);
} else {
redis_cmd_cat_zval_zstr(cmd, zstart);
redis_cmd_cat_zval_zstr(cmd, zend);
}
redis_cmd_cat_literal_if(cmd, opt.byscore, "BYSCORE");
redis_cmd_cat_literal_if(cmd, opt.bylex, "BYLEX");
redis_cmd_cat_literal_if(cmd, opt.rev, "REV");
if (opt.limit.enabled) {
redis_cmd_cat_literal(cmd, "LIMIT");
redis_cmd_cat_long(cmd, opt.limit.offset);
redis_cmd_cat_long(cmd, opt.limit.count);
}
redis_cmd_cat_literal_if(cmd, opt.withscores, "WITHSCORES");
redis_cmd_set_ctx_mode(cmd, opt.withscores ? REDIS_CTX_WITHSCORES : REDIS_CTX_DEFAULT);
return cmd;
}
static RedisCmd *redis_build_config_get_cmd(RedisSock *redis_sock, zval *val) {
zend_string *zstr;
RedisCmd *cmd;
zval *zv;
if (val == NULL || (Z_TYPE_P(val) != IS_STRING && Z_TYPE_P(val) != IS_ARRAY)) {
php_error_docref(NULL, E_WARNING, "Must pass a string or array of values to CONFIG GET");
return NULL;
} else if (Z_TYPE_P(val) == IS_ARRAY && zend_hash_num_elements(Z_ARRVAL_P(val)) == 0) {
php_error_docref(NULL, E_WARNING, "Cannot pass an empty array to CONFIG GET");
return NULL;
}
cmd = redis_cmd_create_literal(redis_sock, "CONFIG");
redis_cmd_cat_literal(cmd, "GET");
if (Z_TYPE_P(val) == IS_STRING) {
redis_cmd_cat_zstr(cmd, Z_STR_P(val));
} else {
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(val), zv) {
ZVAL_DEREF(zv);
zstr = zval_get_string(zv);
redis_cmd_cat_zstr(cmd, zstr);
zend_string_release(zstr);
} ZEND_HASH_FOREACH_END();
}
return cmd;
}
static RedisCmd *redis_build_config_set_cmd(RedisSock *redis_sock, zval *key,
zend_string *val) {
zend_string *zkey, *zstr;
RedisCmd *cmd;
zval *zv;
/* Legacy case: CONFIG SET <string> <string> */
if (key != NULL && val != NULL) {
cmd = redis_cmd_create_literal(redis_sock, "CONFIG");
redis_cmd_cat_literal(cmd, "SET");
zstr = zval_get_string(key);
redis_cmd_cat_zstr(cmd, zstr);
zend_string_release(zstr);
redis_cmd_cat_zstr(cmd, val);
return cmd;
}
/* Now we must have an array with at least one element */
if (key == NULL || Z_TYPE_P(key) != IS_ARRAY || zend_hash_num_elements(Z_ARRVAL_P(key)) == 0) {
php_error_docref(NULL, E_WARNING, "Must either pass two strings to CONFIG SET or a non-empty array of values");
return NULL;
}
cmd = redis_cmd_create_literal(redis_sock, "CONFIG");
redis_cmd_cat_literal(cmd, "SET");
ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(key), zkey, zv) {
if (zkey == NULL)
goto fail;
ZVAL_DEREF(zv);
redis_cmd_cat_zstr(cmd, zkey);
zstr = zval_get_string(zv);
redis_cmd_cat_zstr(cmd, zstr);
zend_string_release(zstr);
} ZEND_HASH_FOREACH_END();
return cmd;
fail:
php_error_docref(NULL, E_WARNING, "Must pass an associate array of config keys and values");
redis_cmd_free(cmd);
return NULL;
}
RedisCmd *
redis_config_cmd(INTERNAL_FUNCTION_PARAMETERS, RedisSock *redis_sock)
{
zend_string *op = NULL, *arg = NULL;
RedisCmd *cmd = NULL;
RedisCtxMode mode;
zval *key = NULL;
ZEND_PARSE_PARAMETERS_START(1, 3)
Z_PARAM_STR(op)
Z_PARAM_OPTIONAL
Z_PARAM_ZVAL_OR_NULL(key)
Z_PARAM_STR_OR_NULL(arg)
ZEND_PARSE_PARAMETERS_END_EX(return NULL);
if (zend_string_equals_literal_ci(op, "RESETSTAT") ||
zend_string_equals_literal_ci(op, "REWRITE"))
{
cmd = redis_cmd_create_literal(redis_sock, "CONFIG");
redis_cmd_cat_zstr(cmd, op);
mode = REDIS_CTX_BOOL;