Welcome to mirror list, hosted at ThFree Co, Russian Federation.

common.h - github.com/phpredis/phpredis.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: ed47b92db261b500612148f38f98a052145aefe5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
#include "php.h"
#include "php_ini.h"

#ifndef REDIS_COMMON_H
#define REDIS_COMMON_H

#define PHPREDIS_NOTUSED(v) ((void)v)

#include <ext/standard/php_var.h>
#include <ext/standard/php_math.h>
#if (PHP_MAJOR_VERSION < 7)
#include <ext/standard/php_smart_str.h>
typedef smart_str smart_string;
#define smart_string_0(x) smart_str_0(x)
#define smart_string_appendc(dest, c) smart_str_appendc(dest, c)
#define smart_string_append_long(dest, val) smart_str_append_long(dest, val)
#define smart_string_appendl(dest, src, len) smart_str_appendl(dest, src, len)

typedef struct {
    short gc;
    size_t len;
    char *val;
} zend_string;

#define ZSTR_VAL(s) (s)->val
#define ZSTR_LEN(s) (s)->len

#define zend_string_release(s) do { \
    if ((s) && (s)->gc) { \
        if ((s)->gc & 0x10 && ZSTR_VAL(s)) efree(ZSTR_VAL(s)); \
        if ((s)->gc & 0x01) efree((s)); \
    } \
} while (0)

#define ZEND_HASH_FOREACH_KEY_VAL(ht, _h, _key, _val) do { \
    HashPosition _hpos; \
    for (zend_hash_internal_pointer_reset_ex(ht, &_hpos); \
         (_val = zend_hash_get_current_data_ex(ht, &_hpos)) != NULL; \
         zend_hash_move_forward_ex(ht, &_hpos) \
    ) { \
        zend_string _zstr = {0}; \
        char *_str_index; uint _str_length; ulong _num_index; \
        switch (zend_hash_get_current_key_ex(ht, &_str_index, &_str_length, &_num_index, 0, &_hpos)) { \
            case HASH_KEY_IS_STRING: \
                _zstr.len = _str_length - 1; \
                _zstr.val = _str_index; \
                _key = &_zstr; \
                break; \
            case HASH_KEY_IS_LONG: \
                _key = NULL; \
                _h = _num_index; \
                break; \
            default: \
                continue; \
        }

#define ZEND_HASH_FOREACH_VAL(ht, _val) do { \
    HashPosition _hpos; \
    for (zend_hash_internal_pointer_reset_ex(ht, &_hpos); \
         (_val = zend_hash_get_current_data_ex(ht, &_hpos)) != NULL; \
         zend_hash_move_forward_ex(ht, &_hpos) \
    ) {

#define ZEND_HASH_FOREACH_END() \
    } \
} while(0)

#undef zend_hash_get_current_key
#define zend_hash_get_current_key(ht, str_index, num_index) \
    zend_hash_get_current_key_ex(ht, str_index, NULL, num_index, 0, NULL)

#define zend_hash_str_exists(ht, str, len) zend_hash_exists(ht, str, len + 1)

static zend_always_inline zval *
zend_hash_str_find(const HashTable *ht, const char *key, size_t len)
{
    zval **zv;

    if (zend_hash_find(ht, key, len + 1, (void **)&zv) == SUCCESS) {
        return *zv;
    }
    return NULL;
}

static zend_always_inline void *
zend_hash_str_find_ptr(const HashTable *ht, const char *str, size_t len)
{
    void **ptr;

    if (zend_hash_find(ht, str, len + 1, (void **)&ptr) == SUCCESS) {
        return *ptr;
    }
    return NULL;
}

static zend_always_inline void *
zend_hash_str_update_ptr(HashTable *ht, const char *str, size_t len, void *pData)
{
    if (zend_hash_update(ht, str, len + 1, (void *)&pData, sizeof(void *), NULL) == SUCCESS) {
        return pData;
    }
    return NULL;
}

static zend_always_inline void *
zend_hash_index_update_ptr(HashTable *ht, zend_ulong h, void *pData)
{
    if (zend_hash_index_update(ht, h, (void **)&pData, sizeof(void *), NULL) == SUCCESS) {
        return pData;
    }
    return NULL;
}

#undef zend_hash_get_current_data
static zend_always_inline zval *
zend_hash_get_current_data(HashTable *ht)
{
    zval **zv;

    if (zend_hash_get_current_data_ex(ht, (void **)&zv, NULL) == SUCCESS) {
        return *zv;
    }
    return NULL;
}

static zend_always_inline void *
zend_hash_get_current_data_ptr(HashTable *ht)
{
    void **ptr;

    if (zend_hash_get_current_data_ex(ht, (void **)&ptr, NULL) == SUCCESS) {
        return *ptr;
    }
    return NULL;
}

static int (*_zend_hash_index_find)(const HashTable *, ulong, void **) = &zend_hash_index_find;
#define zend_hash_index_find(ht, h) inline_zend_hash_index_find(ht, h)

static zend_always_inline zval *
inline_zend_hash_index_find(const HashTable *ht, zend_ulong h)
{
    zval **zv;
    if (_zend_hash_index_find(ht, h, (void **)&zv) == SUCCESS) {
        return *zv;
    }
    return NULL;
}

static zend_always_inline void *
zend_hash_index_find_ptr(const HashTable *ht, zend_ulong h)
{
    void **ptr;

    if (_zend_hash_index_find(ht, h, (void **)&ptr) == SUCCESS) {
        return *ptr;
    }
    return NULL;
}

static int (*_zend_hash_get_current_data_ex)(HashTable *, void **, HashPosition *) = &zend_hash_get_current_data_ex;
#define zend_hash_get_current_data_ex(ht, pos) inline_zend_hash_get_current_data_ex(ht, pos)
static zend_always_inline zval *
inline_zend_hash_get_current_data_ex(HashTable *ht, HashPosition *pos)
{
    zval **zv;
    if (_zend_hash_get_current_data_ex(ht, (void **)&zv, pos) == SUCCESS) {
        return *zv;
    }
    return NULL;
}

#undef zend_hash_next_index_insert
#define zend_hash_next_index_insert(ht, pData) \
    _zend_hash_next_index_insert(ht, pData ZEND_FILE_LINE_CC)
static zend_always_inline zval *
_zend_hash_next_index_insert(HashTable *ht, zval *pData ZEND_FILE_LINE_DC)
{
    if (_zend_hash_index_update_or_next_insert(ht, 0, &pData, sizeof(pData),
            NULL, HASH_NEXT_INSERT ZEND_FILE_LINE_CC) == SUCCESS
    ) {
        return pData;
    }
    return NULL;
}

#undef zend_get_parameters_array
#define zend_get_parameters_array(ht, param_count, argument_array) \
    inline_zend_get_parameters_array(ht, param_count, argument_array TSRMLS_CC)

static zend_always_inline int
inline_zend_get_parameters_array(int ht, int param_count, zval *argument_array TSRMLS_DC)
{
    int i, ret = FAILURE;
    zval **zv = ecalloc(param_count, sizeof(zval *));

    if (_zend_get_parameters_array(ht, param_count, zv TSRMLS_CC) == SUCCESS) {
        for (i = 0; i < param_count; i++) {
            argument_array[i] = *zv[i];
        }
        ret = SUCCESS;
    }
    efree(zv);
    return ret;
}

typedef zend_rsrc_list_entry zend_resource;

extern int (*_add_next_index_string)(zval *, const char *, int);
#define add_next_index_string(arg, str) _add_next_index_string(arg, str, 1);
extern int (*_add_next_index_stringl)(zval *, const char *, uint, int);
#define add_next_index_stringl(arg, str, length) _add_next_index_stringl(arg, str, length, 1);

#undef ZVAL_STRING
#define ZVAL_STRING(z, s) do { \
    const char *_s = (s); \
    ZVAL_STRINGL(z, _s, strlen(_s)); \
} while (0)
#undef RETVAL_STRING
#define RETVAL_STRING(s) ZVAL_STRING(return_value, s)
#undef RETURN_STRING
#define RETURN_STRING(s) { RETVAL_STRING(s); return; }

#undef ZVAL_STRINGL
#define ZVAL_STRINGL(z, s, l) do { \
    const char *__s = (s); int __l = l; \
    zval *__z = (z); \
    Z_STRLEN_P(__z) = __l; \
    Z_STRVAL_P(__z) = estrndup(__s, __l); \
    Z_TYPE_P(__z) = IS_STRING; \
} while (0)
#undef RETVAL_STRINGL
#define RETVAL_STRINGL(s, l) ZVAL_STRINGL(return_value, s, l)
#undef RETURN_STRINGL
#define RETURN_STRINGL(s, l) { RETVAL_STRINGL(s, l); return; }

static int (*_call_user_function)(HashTable *, zval **, zval *, zval *, zend_uint, zval *[] TSRMLS_DC) = &call_user_function;
#define call_user_function(function_table, object, function_name, retval_ptr, param_count, params) \
    inline_call_user_function(function_table, object, function_name, retval_ptr, param_count, params TSRMLS_CC)

static zend_always_inline int
inline_call_user_function(HashTable *function_table, zval *object, zval *function_name, zval *retval_ptr, zend_uint param_count, zval params[] TSRMLS_DC)
{
    int i, ret;
    zval **_params = NULL;
    if (!params) param_count = 0;
    if (param_count > 0) {
        _params = ecalloc(param_count, sizeof(zval *));
        for (i = 0; i < param_count; ++i) {
            zval *zv = &params[i];
            MAKE_STD_ZVAL(_params[i]);
            ZVAL_ZVAL(_params[i], zv, 1, 0);
        }
    }
    ret = _call_user_function(function_table, &object, function_name, retval_ptr, param_count, _params TSRMLS_CC);
    if (_params) {
        for (i = 0; i < param_count; ++i) {
            zval_ptr_dtor(&_params[i]);
        }
        efree(_params);
    }
    return ret;
}

#undef add_assoc_bool
#define add_assoc_bool(__arg, __key, __b) add_assoc_bool_ex(__arg, __key, strlen(__key), __b)
extern int (*_add_assoc_bool_ex)(zval *, const char *, uint, int);
#define add_assoc_bool_ex(_arg, _key, _key_len, _b) _add_assoc_bool_ex(_arg, _key, _key_len + 1, _b)

#undef add_assoc_long
#define add_assoc_long(__arg, __key, __n) add_assoc_long_ex(__arg, __key, strlen(__key), __n)
extern int (*_add_assoc_long_ex)(zval *, const char *, uint, long);
#define add_assoc_long_ex(_arg, _key, _key_len, _n) _add_assoc_long_ex(_arg, _key, _key_len + 1, _n)

#undef add_assoc_double
#define add_assoc_double(__arg, __key, __d) add_assoc_double_ex(__arg, __key, strlen(__key), __d)
extern int (*_add_assoc_double_ex)(zval *, const char *, uint, double);
#define add_assoc_double_ex(_arg, _key, _key_len, _d) _add_assoc_double_ex(_arg, _key, _key_len + 1, _d)

#undef add_assoc_string
#define add_assoc_string(__arg, __key, __str) add_assoc_string_ex(__arg, __key, strlen(__key), __str)
extern int (*_add_assoc_string_ex)(zval *, const char *, uint, char *, int);
#define add_assoc_string_ex(_arg, _key, _key_len, _str) _add_assoc_string_ex(_arg, _key, _key_len + 1, _str, 1)

extern int (*_add_assoc_stringl_ex)(zval *, const char *, uint, char *, uint, int);
#define add_assoc_stringl_ex(_arg, _key, _key_len, _str, _length) _add_assoc_stringl_ex(_arg, _key, _key_len + 1, _str, _length, 1)

#undef add_assoc_zval
#define add_assoc_zval(__arg, __key, __value) add_assoc_zval_ex(__arg, __key, strlen(__key), __value)
extern int (*_add_assoc_zval_ex)(zval *, const char *, uint, zval *);
#define add_assoc_zval_ex(_arg, _key, _key_len, _value) _add_assoc_zval_ex(_arg, _key, _key_len + 1, _value);

typedef long zend_long;
static zend_always_inline zend_long
zval_get_long(zval *op)
{
    switch (Z_TYPE_P(op)) {
        case IS_BOOL:
        case IS_LONG:
            return Z_LVAL_P(op);
        case IS_DOUBLE:
            return zend_dval_to_lval(Z_DVAL_P(op));
        case IS_STRING:
            {
                double dval;
                zend_long lval;
                zend_uchar type = is_numeric_string(Z_STRVAL_P(op), Z_STRLEN_P(op), &lval, &dval, 0);
                if (type == IS_LONG) {
                    return lval;
                } else if (type == IS_DOUBLE) {
                    return zend_dval_to_lval(dval);
                }
            }
            break;
        EMPTY_SWITCH_DEFAULT_CASE()
    }
    return 0;
}

static zend_always_inline double
zval_get_double(zval *op)
{
    switch (Z_TYPE_P(op)) {
        case IS_BOOL:
        case IS_LONG:
            return (double)Z_LVAL_P(op);
        case IS_DOUBLE:
            return Z_DVAL_P(op);
        case IS_STRING:
            return zend_strtod(Z_STRVAL_P(op), NULL);
        EMPTY_SWITCH_DEFAULT_CASE()
    }
    return 0.0;
}

static zend_always_inline zend_string *
zval_get_string(zval *op)
{
    zend_string *zstr = ecalloc(1, sizeof(zend_string));

    zstr->gc = 0;
    ZSTR_VAL(zstr) = "";
    ZSTR_LEN(zstr) = 0;
    switch (Z_TYPE_P(op)) {
        case IS_STRING:
            ZSTR_VAL(zstr) = Z_STRVAL_P(op);
            ZSTR_LEN(zstr) = Z_STRLEN_P(op);
            break;
        case IS_BOOL:
            if (Z_LVAL_P(op)) {
                ZSTR_VAL(zstr) = "1";
                ZSTR_LEN(zstr) = 1;
            }
            break;
        case IS_LONG: {
            zstr->gc = 0x10;
            ZSTR_LEN(zstr) = spprintf(&ZSTR_VAL(zstr), 0, "%ld", Z_LVAL_P(op));
            break;
        }
        case IS_DOUBLE: {
            zstr->gc = 0x10;
            ZSTR_LEN(zstr) = spprintf(&ZSTR_VAL(zstr), 0, "%.16g", Z_DVAL_P(op));
            break;
        }
        EMPTY_SWITCH_DEFAULT_CASE()
    }
    zstr->gc |= 0x01;
    return zstr;
}

extern void (*_php_var_serialize)(smart_str *, zval **, php_serialize_data_t * TSRMLS_DC);
#define php_var_serialize(buf, struc, data) _php_var_serialize(buf, &struc, data TSRMLS_CC)
extern int (*_php_var_unserialize)(zval **, const unsigned char **, const unsigned char *, php_unserialize_data_t * TSRMLS_DC);
#define php_var_unserialize(rval, p, max, var_hash) _php_var_unserialize(&rval, p, max, var_hash TSRMLS_CC)
typedef int strlen_t;

/* If ZEND_MOD_END isn't defined, use legacy version */
#ifndef ZEND_MOD_END
#define ZEND_MOD_END { NULL, NULL, NULL }
#endif

/* PHP_FE_END exists since 5.3.7 */
#ifndef PHP_FE_END
#define PHP_FE_END { NULL, NULL, NULL }
#endif

/* References don't need any actions */
#define ZVAL_DEREF(v) PHPREDIS_NOTUSED(v)

#else
#include <zend_smart_str.h>
#include <ext/standard/php_smart_string.h>
typedef size_t strlen_t;
#endif

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

#define REDIS_SOCK_STATUS_FAILED       0
#define REDIS_SOCK_STATUS_DISCONNECTED 1
#define REDIS_SOCK_STATUS_CONNECTED    2

#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

#ifdef PHP_WIN32
#define PHP_REDIS_API __declspec(dllexport)
#else
#define PHP_REDIS_API
#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

/* cluster options */
#define REDIS_FAILOVER_NONE              0
#define REDIS_FAILOVER_ERROR             1
#define REDIS_FAILOVER_DISTRIBUTE        2
#define REDIS_FAILOVER_DISTRIBUTE_SLAVES 3
/* serializers */
#define REDIS_SERIALIZER_NONE        0
#define REDIS_SERIALIZER_PHP         1
#define REDIS_SERIALIZER_IGBINARY    2

/* SCAN options */
#define REDIS_SCAN_NORETRY 0
#define REDIS_SCAN_RETRY 1

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

#define IF_ATOMIC() if (redis_sock->mode == ATOMIC)
#define IF_NOT_ATOMIC() if (redis_sock->mode != ATOMIC)
#define IF_MULTI() if (redis_sock->mode == MULTI)
#define IF_NOT_MULTI() if (redis_sock->mode != MULTI)
#define IF_PIPELINE() if (redis_sock->mode == PIPELINE)
#define IF_NOT_PIPELINE() if (redis_sock->mode != PIPELINE)

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

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

#define REDIS_SAVE_CALLBACK(callback, closure_context) do { \
    fold_item *f1 = malloc(sizeof(fold_item)); \
    f1->fun = (void *)callback; \
    f1->ctx = closure_context; \
    f1->next = NULL; \
    if (redis_sock->current) { \
        redis_sock->current->next = f1; \
    } \
    redis_sock->current = f1; \
    if (NULL == redis_sock->head) { \
        redis_sock->head = redis_sock->current; \
    } \
} while (0)

#define REDIS_PROCESS_REQUEST(redis_sock, cmd, cmd_len) \
    IF_PIPELINE() { \
        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_MULTI() { \
        if (redis_response_enqueued(redis_sock TSRMLS_CC) != 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() TSRMLS_CC, 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_ATOMIC() { \
        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() TSRMLS_CC, 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_ATOMIC() { \
        resp_func(INTERNAL_FUNCTION_PARAM_PASSTHRU, redis_sock, NULL, ctx); \
    } else { \
        REDIS_PROCESS_RESPONSE_CLOSURE(resp_func, ctx) \
    }

#define REDIS_STREAM_CLOSE_MARK_FAILED(redis_sock) \
    redis_stream_close(redis_sock TSRMLS_CC); \
    redis_sock->stream = NULL; \
    redis_sock->mode = ATOMIC; \
    redis_sock->status = REDIS_SOCK_STATUS_FAILED; \
    redis_sock->watching = 0

/* Extended SET argument detection */
#define IS_EX_ARG(a) \
    ((a[0]=='e' || a[0]=='E') && (a[1]=='x' || a[1]=='X') && a[2]=='\0')
#define IS_PX_ARG(a) \
    ((a[0]=='p' || a[0]=='P') && (a[1]=='x' || a[1]=='X') && a[2]=='\0')
#define IS_NX_ARG(a) \
    ((a[0]=='n' || a[0]=='N') && (a[1]=='x' || a[1]=='X') && a[2]=='\0')
#define IS_XX_ARG(a) \
    ((a[0]=='x' || a[0]=='X') && (a[1]=='x' || a[1]=='X') && a[2]=='\0')

#define IS_EX_PX_ARG(a) (IS_EX_ARG(a) || IS_PX_ARG(a))
#define IS_NX_XX_ARG(a) (IS_NX_ARG(a) || IS_XX_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=='-'))))

typedef enum {ATOMIC, MULTI, PIPELINE} redis_mode;

typedef struct fold_item {
    zval * (*fun)(INTERNAL_FUNCTION_PARAMETERS, void *, ...);
    void *ctx;
    struct fold_item *next;
} fold_item;

/* {{{ struct RedisSock */
typedef struct {
    php_stream     *stream;
    char           *host;
    short          port;
    char           *auth;
    double         timeout;
    double         read_timeout;
    long           retry_interval;
    int            failed;
    int            status;
    int            persistent;
    int            watching;
    char           *persistent_id;

    int            serializer;
    long           dbNumber;

    char           *prefix;
    int            prefix_len;

    redis_mode     mode;
    fold_item      *head;
    fold_item      *current;

    char           *pipeline_cmd;
    size_t         pipeline_len;

    char           *err;
    int            err_len;
    zend_bool      lazy_connect;

    int            scan;

    int            readonly;
} RedisSock;
/* }}} */

#if (PHP_MAJOR_VERSION < 7)
typedef struct {
    zend_object std;
    RedisSock *sock;
} redis_object;
#else
typedef struct {
    RedisSock *sock;
    zend_object std;
} redis_object;
#endif

#endif