1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Georg Richter <georg@php.net> |
14 | Andrey Hristov <andrey@php.net> |
15 | Ulf Wendel <uw@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #ifndef PHP_MYSQLI_STRUCTS_H
20 #define PHP_MYSQLI_STRUCTS_H
21
22 /* A little hack to prevent build break, when mysql is used together with
23 * c-client, which also defines LIST.
24 */
25 #ifdef LIST
26 #undef LIST
27 #endif
28
29 #ifndef TRUE
30 #define TRUE 1
31 #endif
32
33 #ifndef FALSE
34 #define FALSE 0
35 #endif
36
37 #ifdef MYSQLI_USE_MYSQLND
38 #include "ext/mysqlnd/mysqlnd.h"
39 #include "mysqli_mysqlnd.h"
40 #else
41
42 #include <mysql.h>
43 #if MYSQL_VERSION_ID >= 80000 && MYSQL_VERSION_ID < 100000
44 typedef _Bool my_bool;
45 #endif
46 #include <errmsg.h>
47 #include <mysqld_error.h>
48 #include "mysqli_libmysql.h"
49 #endif /* MYSQLI_USE_MYSQLND */
50
51
52 #define MYSQLI_VERSION_ID 101009
53
54 enum mysqli_status {
55 MYSQLI_STATUS_UNKNOWN=0,
56 MYSQLI_STATUS_INITIALIZED,
57 MYSQLI_STATUS_VALID
58 };
59
60 typedef struct {
61 char *val;
62 zend_ulong buflen;
63 zend_ulong output_len;
64 zend_ulong type;
65 } VAR_BUFFER;
66
67 typedef struct {
68 unsigned int var_cnt;
69 VAR_BUFFER *buf;
70 zval *vars;
71 my_bool *is_null;
72 } BIND_BUFFER;
73
74 typedef struct {
75 MYSQL_STMT *stmt;
76 BIND_BUFFER param;
77 BIND_BUFFER result;
78 char *query;
79 #ifndef MYSQLI_USE_MYSQLND
80 /* used to manage refcount with libmysql (already implement in mysqlnd) */
81 zval link_handle;
82 #endif
83 } MY_STMT;
84
85 typedef struct {
86 MYSQL *mysql;
87 zend_string *hash_key;
88 zval li_read;
89 php_stream *li_stream;
90 unsigned int multi_query;
91 zend_bool persistent;
92 #ifdef MYSQLI_USE_MYSQLND
93 int async_result_fetch_type;
94 #endif
95 } MY_MYSQL;
96
97 typedef struct {
98 void *ptr; /* resource: (mysql, result, stmt) */
99 void *info; /* additional buffer */
100 enum mysqli_status status; /* object status */
101 } MYSQLI_RESOURCE;
102
103 typedef struct _mysqli_object {
104 void *ptr;
105 HashTable *prop_handler;
106 zend_object zo;
107 } mysqli_object; /* extends zend_object */
108
php_mysqli_fetch_object(zend_object * obj)109 static inline mysqli_object *php_mysqli_fetch_object(zend_object *obj) {
110 return (mysqli_object *)((char*)(obj) - XtOffsetOf(mysqli_object, zo));
111 }
112
113 #define Z_MYSQLI_P(zv) php_mysqli_fetch_object(Z_OBJ_P((zv)))
114
115 typedef struct st_mysqli_warning MYSQLI_WARNING;
116
117 struct st_mysqli_warning {
118 zval reason;
119 zval sqlstate;
120 int errorno;
121 MYSQLI_WARNING *next;
122 };
123
124 typedef struct _mysqli_property_entry {
125 const char *pname;
126 size_t pname_length;
127 int (*r_func)(mysqli_object *obj, zval *retval, zend_bool quiet);
128 int (*w_func)(mysqli_object *obj, zval *value);
129 } mysqli_property_entry;
130
131 typedef struct {
132 zend_ptr_stack free_links;
133 } mysqli_plist_entry;
134
135 #ifdef PHP_WIN32
136 #define PHP_MYSQLI_API __declspec(dllexport)
137 #ifndef L64
138 #define L64(x) x##i64
139 #endif
140 typedef __int64 my_longlong;
141 #else
142 # if defined(__GNUC__) && __GNUC__ >= 4
143 # define PHP_MYSQLI_API __attribute__ ((visibility("default")))
144 # else
145 # define PHP_MYSQLI_API
146 # endif
147 #ifndef L64
148 #define L64(x) x##LL
149 #endif
150 typedef int64_t my_longlong;
151 #endif
152
153 /* we need this for PRIu64 and PRId64 */
154 #include <inttypes.h>
155 #define MYSQLI_LLU_SPEC "%" PRIu64
156 #define MYSQLI_LL_SPEC "%" PRId64
157
158 #ifdef ZTS
159 #include "TSRM.h"
160 #endif
161
162 extern zend_class_entry *mysqli_link_class_entry;
163 extern zend_class_entry *mysqli_stmt_class_entry;
164 extern zend_class_entry *mysqli_result_class_entry;
165 extern zend_class_entry *mysqli_driver_class_entry;
166 extern zend_class_entry *mysqli_warning_class_entry;
167 extern zend_class_entry *mysqli_exception_class_entry;
168 extern int php_le_pmysqli(void);
169 extern void php_mysqli_dtor_p_elements(void *data);
170
171 extern void php_mysqli_close(MY_MYSQL * mysql, int close_type, int resource_status);
172
173 extern const zend_object_iterator_funcs php_mysqli_result_iterator_funcs;
174 extern zend_object_iterator *php_mysqli_result_get_iterator(zend_class_entry *ce, zval *object, int by_ref);
175
176 extern void php_mysqli_fetch_into_hash_aux(zval *return_value, MYSQL_RES * result, zend_long fetchtype);
177
178 #define MYSQLI_DISABLE_MQ if (mysql->multi_query) { \
179 mysql_set_server_option(mysql->mysql, MYSQL_OPTION_MULTI_STATEMENTS_OFF); \
180 mysql->multi_query = 0; \
181 }
182
183 #define MYSQLI_ENABLE_MQ if (!mysql->multi_query) { \
184 mysql_set_server_option(mysql->mysql, MYSQL_OPTION_MULTI_STATEMENTS_ON); \
185 mysql->multi_query = 1; \
186 }
187
188 #define REGISTER_MYSQLI_CLASS_ENTRY(name, mysqli_entry, class_functions) { \
189 zend_class_entry ce; \
190 INIT_CLASS_ENTRY(ce, name,class_functions); \
191 ce.create_object = mysqli_objects_new; \
192 mysqli_entry = zend_register_internal_class(&ce); \
193 } \
194
195 #define MYSQLI_REGISTER_RESOURCE_EX(__ptr, __zval) \
196 (Z_MYSQLI_P(__zval))->ptr = __ptr;
197
198 #define MYSQLI_RETURN_RESOURCE(__ptr, __ce) \
199 RETVAL_OBJ(mysqli_objects_new(__ce)); \
200 MYSQLI_REGISTER_RESOURCE_EX(__ptr, return_value)
201
202 #define MYSQLI_REGISTER_RESOURCE(__ptr, __ce) \
203 {\
204 zval *object = getThis(); \
205 if (!object || !instanceof_function(Z_OBJCE_P(object), mysqli_link_class_entry)) { \
206 object = return_value; \
207 ZVAL_OBJ(object, mysqli_objects_new(__ce)); \
208 } \
209 MYSQLI_REGISTER_RESOURCE_EX(__ptr, object)\
210 }
211
212 #define MYSQLI_FETCH_RESOURCE(__ptr, __type, __id, __name, __check) \
213 { \
214 MYSQLI_RESOURCE *my_res; \
215 mysqli_object *intern = Z_MYSQLI_P(__id); \
216 if (!(my_res = (MYSQLI_RESOURCE *)intern->ptr)) {\
217 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(intern->zo.ce->name));\
218 RETURN_THROWS();\
219 }\
220 __ptr = (__type)my_res->ptr; \
221 if (my_res->status < __check) { \
222 zend_throw_error(NULL, "%s object is not fully initialized", ZSTR_VAL(intern->zo.ce->name)); \
223 RETURN_THROWS();\
224 }\
225 }
226
227 #define MYSQLI_FETCH_RESOURCE_BY_OBJ(__ptr, __type, __obj, __name, __check) \
228 { \
229 MYSQLI_RESOURCE *my_res; \
230 if (!(my_res = (MYSQLI_RESOURCE *)(__obj->ptr))) {\
231 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(intern->zo.ce->name));\
232 return;\
233 }\
234 __ptr = (__type)my_res->ptr; \
235 if (my_res->status < __check) { \
236 zend_throw_error(NULL, "%s object is not fully initialized", ZSTR_VAL(intern->zo.ce->name)); \
237 return;\
238 }\
239 }
240
241 #define MYSQLI_FETCH_RESOURCE_CONN(__ptr, __id, __check) \
242 { \
243 MYSQLI_FETCH_RESOURCE((__ptr), MY_MYSQL *, (__id), "mysqli_link", (__check)); \
244 if (!(__ptr)->mysql) { \
245 zend_throw_error(NULL, "%s object is not fully initialized", ZSTR_VAL(Z_OBJCE_P(__id)->name)); \
246 RETURN_THROWS(); \
247 } \
248 }
249
250 #define MYSQLI_FETCH_RESOURCE_STMT(__ptr, __id, __check) \
251 { \
252 MYSQLI_FETCH_RESOURCE((__ptr), MY_STMT *, (__id), "mysqli_stmt", (__check)); \
253 ZEND_ASSERT((__ptr)->stmt && "Missing statement?"); \
254 }
255
256 #define MYSQLI_SET_STATUS(__id, __value) \
257 { \
258 mysqli_object *intern = Z_MYSQLI_P(__id); \
259 ((MYSQLI_RESOURCE *)intern->ptr)->status = __value; \
260 } \
261
262 #define MYSQLI_CLEAR_RESOURCE(__id) \
263 { \
264 mysqli_object *intern = Z_MYSQLI_P(__id); \
265 efree(intern->ptr); \
266 intern->ptr = NULL; \
267 }
268
269
270 ZEND_BEGIN_MODULE_GLOBALS(mysqli)
271 zend_long default_link;
272 zend_long num_links;
273 zend_long max_links;
274 zend_long num_active_persistent;
275 zend_long num_inactive_persistent;
276 zend_long max_persistent;
277 zend_long allow_persistent;
278 zend_ulong default_port;
279 char *default_host;
280 char *default_user;
281 char *default_socket;
282 char *default_pw;
283 zend_long reconnect;
284 zend_long allow_local_infile;
285 zend_long strict;
286 zend_long error_no;
287 char *error_msg;
288 zend_long report_mode;
289 HashTable *report_ht;
290 zend_ulong multi_query;
291 zend_bool rollback_on_cached_plink;
292 ZEND_END_MODULE_GLOBALS(mysqli)
293
294 #define MyG(v) ZEND_MODULE_GLOBALS_ACCESSOR(mysqli, v)
295
296 #if defined(ZTS) && defined(COMPILE_DL_MYSQLI)
297 ZEND_TSRMLS_CACHE_EXTERN()
298 #endif
299
300 ZEND_EXTERN_MODULE_GLOBALS(mysqli)
301
302 #endif /* PHP_MYSQLI_STRUCTS.H */
303