#include "php.h"

#include "php_ini.h"

#ifndef REDIS_COMMON_H

#define REDIS_COMMON_H

#include <ext/standard/php_var.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 {

size_t len;

char *val;

} zend_string;

#define zend_string_release(s) do { \

if ((s) && (s)->val) efree((s)->val); \

} 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; \

_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;

static int (*_add_next_index_string)(zval *, const char *, int) = &add_next_index_string;

#define add_next_index_string(arg, str) _add_next_index_string(arg, str, 1);

static int (*_add_next_index_stringl)(zval *, const char *, uint, int) = &add_next_index_stringl;

#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++) {

_params[i] = &params[i];

}

}

ret = _call_user_function(function_table, &object, function_name, retval_ptr, param_count, _params TSRMLS_CC);

if (_params) efree(_params);

return ret;

}

#define _IS_BOOL IS_BOOL

#define ZEND_SAME_FAKE_TYPE(faketype, realtype) ((faketype) == (realtype))

#undef add_assoc_bool

#define add_assoc_bool(__arg, __key, __b) add_assoc_bool_ex(__arg, __key, strlen(__key), __b)

static int (*_add_assoc_bool_ex)(zval *, const char *, uint, int) = &add_assoc_bool_ex;

#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)

static int (*_add_assoc_long_ex)(zval *, const char *, uint, long) = &add_assoc_long_ex;

#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)

static int (*_add_assoc_double_ex)(zval *, const char *, uint, double) = &add_assoc_double_ex;

#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)

static int (*_add_assoc_string_ex)(zval *, const char *, uint, char *, int) = &add_assoc_string_ex;

#define add_assoc_string_ex(_arg, _key, _key_len, _str) _add_assoc_string_ex(_arg, _key, _key_len + 1, _str, 1)

static int (*_add_assoc_stringl_ex)(zval *, const char *, uint, char *, uint, int) = &add_assoc_stringl_ex;

#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)

static int (*_add_assoc_zval_ex)(zval *, const char *, uint, zval *) = &add_assoc_zval_ex;

#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 void (*_php_var_serialize)(smart_str *, zval **, php_serialize_data_t * TSRMLS_DC) = &php_var_serialize;

#define php_var_serialize(buf, struc, data) _php_var_serialize(buf, &struc, data TSRMLS_CC)

static int (*_php_var_unserialize)(zval **, const unsigned char **, const unsigned char *, php_unserialize_data_t * TSRMLS_DC) = &php_var_unserialize;

#define php_var_unserialize(rval, p, max, var_hash) _php_var_unserialize(&rval, p, max, var_hash TSRMLS_CC)

#else

#include <ext/standard/php_smart_string.h>

#endif

/* NULL check so Eclipse doesn't go crazy */

#ifndef NULL

#define NULL ((void *) 0)

#endif

#define redis_sock_name "Redis Socket Buffer"

#define REDIS_SOCK_STATUS_FAILED 0

#define REDIS_SOCK_STATUS_DISCONNECTED 1

#define REDIS_SOCK_STATUS_UNKNOWN 2

#define REDIS_SOCK_STATUS_CONNECTED 3

#define redis_multi_access_type_name "Redis Multi type access"

#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

/* cluster options */

#define REDIS_OPT_FAILOVER 5

#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 4294967295

/* Specific error messages we want to throw against */

#define REDIS_ERR_LOADING_MSG "LOADING Redis is loading the dataset in memory"

#define REDIS_ERR_LOADING_KW "LOADING"

#define REDIS_ERR_AUTH_MSG "NOAUTH Authentication required."

#define REDIS_ERR_AUTH_KW "NOAUTH"

#define REDIS_ERR_SYNC_MSG "MASTERDOWN Link with MASTER is down and slave-serve-stale-data is set to 'no'"

#define REDIS_ERR_SYNC_KW "MASTERDOWN"

#define IF_MULTI() if(redis_sock->mode == MULTI)

#define IF_MULTI_OR_ATOMIC() if(redis_sock->mode == MULTI || redis_sock->mode == ATOMIC)\

#define IF_MULTI_OR_PIPELINE() if(redis_sock->mode == MULTI || redis_sock->mode == PIPELINE)

#define IF_PIPELINE() if(redis_sock->mode == PIPELINE)

#define IF_NOT_PIPELINE() if(redis_sock->mode != PIPELINE)

#define IF_NOT_MULTI() if(redis_sock->mode != MULTI)

#define IF_NOT_ATOMIC() if(redis_sock->mode != ATOMIC)

#define IF_ATOMIC() if(redis_sock->mode == ATOMIC)

#define ELSE_IF_MULTI() else IF_MULTI() { \

if(redis_response_enqueued(redis_sock TSRMLS_CC) == 1) { \

RETURN_ZVAL(getThis(), 1, 0);\

} else { \

RETURN_FALSE; \

} \

}

#define ELSE_IF_PIPELINE() else IF_PIPELINE() { \

RETURN_ZVAL(getThis(), 1, 0);\

}

#define MULTI_RESPONSE(callback) IF_MULTI_OR_PIPELINE() { \

fold_item *f1, *current; \

f1 = malloc(sizeof(fold_item)); \

f1->fun = (void *)callback; \

f1->next = NULL; \

current = redis_sock->current;\

if(current) current->next = f1; \

redis_sock->current = f1; \

}

#define PIPELINE_ENQUEUE_COMMAND(cmd, cmd_len) request_item *tmp; \

struct request_item *current_request;\

tmp = malloc(sizeof(request_item));\

tmp->request_str = calloc(cmd_len, 1);\

memcpy(tmp->request_str, cmd, cmd_len);\

tmp->request_size = cmd_len;\

tmp->next = NULL;\

current_request = redis_sock->pipeline_current; \

if(current_request) {\

current_request->next = tmp;\

} \

redis_sock->pipeline_current = tmp; \

if(NULL == redis_sock->pipeline_head) { \

redis_sock->pipeline_head = redis_sock->pipeline_current;\

}

#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) \

IF_MULTI_OR_PIPELINE() { \

fold_item *f1, *current; \

f1 = malloc(sizeof(fold_item)); \

f1->fun = (void *)callback; \

f1->ctx = closure_context; \

f1->next = NULL; \

current = redis_sock->current;\

if(current) current->next = f1; \

redis_sock->current = f1; \

if(NULL == redis_sock->head) { \

redis_sock->head = redis_sock->current;\

}\

}

#define REDIS_ELSE_IF_MULTI(function, closure_context) \

else IF_MULTI() { \

if(redis_response_enqueued(redis_sock TSRMLS_CC) == 1) {\

REDIS_SAVE_CALLBACK(function, closure_context); \

RETURN_ZVAL(getThis(), 1, 0);\

} else {\

RETURN_FALSE;\

}\

}

#define REDIS_ELSE_IF_PIPELINE(function, closure_context) \

else IF_PIPELINE() { \

REDIS_SAVE_CALLBACK(function, closure_context); \

RETURN_ZVAL(getThis(), 1, 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) \

REDIS_ELSE_IF_MULTI(function, closure_context) \

REDIS_ELSE_IF_PIPELINE(function, closure_context);

#define REDIS_PROCESS_RESPONSE(function) \

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_get(getThis(), &redis_sock TSRMLS_CC, 0)<0 || \

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); \

} \

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_get(getThis(), &redis_sock TSRMLS_CC, 0)<0 || \

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); \

} \

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;

typedef struct request_item {

char *request_str;

int request_size; /* size_t */

struct request_item *next;

} request_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;

request_item *pipeline_head;

request_item *pipeline_current;

char *err;

int err_len;

zend_bool lazy_connect;

int scan;

int readonly;

} RedisSock;

/* }}} */

void

free_reply_callbacks(zval *z_this, RedisSock *redis_sock);

#endif