2 +--------------------------------------------------------------------+
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the conditions mentioned |
7 | in the accompanying LICENSE file are met. |
8 +--------------------------------------------------------------------+
9 | Copyright (c) 2013, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
18 #include <ext/standard/php_smart_str.h>
21 #include "php_pq_misc.h"
22 #include "php_pq_object.h"
23 #include "php_pqexc.h"
24 #include "php_pqconn.h"
25 #include "php_pqres.h"
26 #include "php_pqcur.h"
28 zend_class_entry
*php_pqcur_class_entry
;
29 static zend_object_handlers php_pqcur_object_handlers
;
30 static HashTable php_pqcur_object_prophandlers
;
32 static void cur_close(php_pqcur_object_t
*obj TSRMLS_DC
)
34 if (obj
->intern
->open
) {
38 smart_str_appends(&cmd
, "CLOSE ");
39 smart_str_appends(&cmd
, obj
->intern
->name
);
42 if ((res
= PQexec(obj
->intern
->conn
->intern
->conn
, cmd
.c
))) {
47 obj
->intern
->open
= 0;
51 static void cur_fetch_or_move(INTERNAL_FUNCTION_PARAMETERS
, const char *action
, zend_bool async
)
56 php_pq_callback_t resolver
= {{0}};
57 zend_error_handling zeh
;
59 zend_replace_error_handling(EH_THROW
, exce(EX_INVALID_ARGUMENT
), &zeh TSRMLS_CC
);
60 rv
= zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC
, async
? "|sf" : "|s", &spec_str
, &spec_len
, &resolver
.fci
, &resolver
.fcc
);
61 zend_restore_error_handling(&zeh TSRMLS_CC
);
64 php_pqcur_object_t
*obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
67 throw_exce(EX_UNINITIALIZED TSRMLS_CC
, "pq\\Cursor not initialized");
71 smart_str_appends(&cmd
, *action
== 'f' ? "FETCH " : "MOVE ");
72 smart_str_appendl(&cmd
, spec_str
, spec_len
);
73 smart_str_appends(&cmd
, " FROM ");
74 smart_str_appends(&cmd
, obj
->intern
->name
);
78 int rc
= PQsendQuery(obj
->intern
->conn
->intern
->conn
, cmd
.c
);
81 throw_exce(EX_IO TSRMLS_CC
, "Failed to %s cursor (%s)", *action
== 'f' ? "fetch from" : "move in", PHP_PQerrorMessage(obj
->intern
->conn
->intern
->conn
));
82 } else if (obj
->intern
->conn
->intern
->unbuffered
&& !PQsetSingleRowMode(obj
->intern
->conn
->intern
->conn
)) {
83 throw_exce(EX_RUNTIME TSRMLS_CC
, "Failed to enable unbuffered mode (%s)", PHP_PQerrorMessage(obj
->intern
->conn
->intern
->conn
));
85 php_pq_callback_recurse(&obj
->intern
->conn
->intern
->onevent
, &resolver TSRMLS_CC
);
86 obj
->intern
->conn
->intern
->poller
= PQconsumeInput
;
89 PGresult
*res
= PQexec(obj
->intern
->conn
->intern
->conn
, cmd
.c
);
92 throw_exce(EX_RUNTIME TSRMLS_CC
, "Failed to %s cursor (%s)", *action
== 'f' ? "fetch from" : "move in", PHP_PQerrorMessage(obj
->intern
->conn
->intern
->conn
));
93 } else if (SUCCESS
== php_pqres_success(res TSRMLS_CC
)) {
94 php_pq_object_to_zval_no_addref(PQresultInstanceData(res
, php_pqconn_event
), &return_value TSRMLS_CC
);
99 php_pqconn_notify_listeners(obj
->intern
->conn TSRMLS_CC
);
104 static void php_pqcur_object_free(void *o TSRMLS_DC
)
106 php_pqcur_object_t
*obj
= o
;
108 fprintf(stderr
, "FREE cur(#%d) %p (conn: %p)\n", obj
->zv
.handle
, obj
, obj
->intern
->conn
);
111 cur_close(obj TSRMLS_CC
);
112 php_pq_object_delref(obj
->intern
->conn TSRMLS_CC
);
113 efree(obj
->intern
->decl
);
114 efree(obj
->intern
->name
);
118 zend_object_std_dtor((zend_object
*) o TSRMLS_CC
);
122 zend_object_value
php_pqcur_create_object_ex(zend_class_entry
*ce
, php_pqcur_t
*intern
, php_pqcur_object_t
**ptr TSRMLS_DC
)
124 php_pqcur_object_t
*o
;
126 o
= ecalloc(1, sizeof(*o
));
127 zend_object_std_init((zend_object
*) o
, ce TSRMLS_CC
);
128 object_properties_init((zend_object
*) o
, ce
);
129 o
->prophandler
= &php_pqcur_object_prophandlers
;
139 o
->zv
.handle
= zend_objects_store_put((zend_object
*) o
, NULL
, php_pqcur_object_free
, NULL TSRMLS_CC
);
140 o
->zv
.handlers
= &php_pqcur_object_handlers
;
145 static zend_object_value
php_pqcur_create_object(zend_class_entry
*class_type TSRMLS_DC
)
147 return php_pqcur_create_object_ex(class_type
, NULL
, NULL TSRMLS_CC
);
150 static void php_pqcur_object_read_name(zval
*object
, void *o
, zval
*return_value TSRMLS_DC
)
152 php_pqcur_object_t
*obj
= o
;
154 RETVAL_STRING(obj
->intern
->name
, 1);
157 static void php_pqcur_object_read_connection(zval
*object
, void *o
, zval
*return_value TSRMLS_DC
)
159 php_pqcur_object_t
*obj
= o
;
161 php_pq_object_to_zval(obj
->intern
->conn
, &return_value TSRMLS_CC
);
164 char *php_pqcur_declare_str(const char *name_str
, size_t name_len
, unsigned flags
, const char *query_str
, size_t query_len
)
166 size_t decl_len
= name_len
+ query_len
+ sizeof("DECLARE BINARY INSENSITIVE NO SCROLL CURSOR WITHOUT HOLD FOR ");
169 decl_str
= emalloc(decl_len
);
170 decl_len
= slprintf(decl_str
, decl_len
, "DECLARE %s %s %s %s CURSOR %s FOR %s",
172 (flags
& PHP_PQ_DECLARE_BINARY
) ? "BINARY" : "",
173 (flags
& PHP_PQ_DECLARE_INSENSITIVE
) ? "INSENSITIVE" : "",
174 (flags
& PHP_PQ_DECLARE_NO_SCROLL
) ? "NO SCROLL" :
175 (flags
& PHP_PQ_DECLARE_SCROLL
) ? "SCROLL" : "",
176 (flags
& PHP_PQ_DECLARE_WITH_HOLD
) ? "WITH HOLD" : "",
182 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur___construct
, 0, 0, 4)
183 ZEND_ARG_OBJ_INFO(0, connection
, pq
\\Connection
, 0)
184 ZEND_ARG_INFO(0, name
)
185 ZEND_ARG_INFO(0, flags
)
186 ZEND_ARG_INFO(0, query
)
187 ZEND_ARG_INFO(0, async
)
189 static PHP_METHOD(pqcur
, __construct
) {
190 zend_error_handling zeh
;
191 char *name_str
, *query_str
;
192 int name_len
, query_len
;
198 zend_replace_error_handling(EH_THROW
, exce(EX_INVALID_ARGUMENT
), &zeh TSRMLS_CC
);
199 rv
= zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC
, "Osls|b", &zconn
, php_pqconn_class_entry
, &name_str
, &name_len
, &flags
, &query_str
, &query_len
, &async
);
200 zend_restore_error_handling(&zeh TSRMLS_CC
);
203 php_pqcur_object_t
*obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
204 php_pqconn_object_t
*conn_obj
= zend_object_store_get_object(zconn TSRMLS_CC
);
207 throw_exce(EX_BAD_METHODCALL TSRMLS_CC
, "pq\\Cursor already initialized");
208 } if (!conn_obj
->intern
) {
209 throw_exce(EX_UNINITIALIZED TSRMLS_CC
, "pq\\Connection not initialized");
211 char *decl
= php_pqcur_declare_str(name_str
, name_len
, flags
, query_str
, query_len
);
214 rv
= php_pqconn_declare_async(zconn
, conn_obj
, decl TSRMLS_CC
);
216 rv
= php_pqconn_declare(zconn
, conn_obj
, decl TSRMLS_CC
);
222 php_pqcur_t
*cur
= ecalloc(1, sizeof(*cur
));
224 php_pq_object_addref(conn_obj TSRMLS_CC
);
225 cur
->conn
= conn_obj
;
227 cur
->name
= estrdup(name_str
);
235 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur_open
, 0, 0, 0)
237 static PHP_METHOD(pqcur
, open
)
239 zend_error_handling zeh
;
242 zend_replace_error_handling(EH_THROW
, exce(EX_INVALID_ARGUMENT
), &zeh TSRMLS_CC
);
243 rv
= zend_parse_parameters_none();
244 zend_restore_error_handling(&zeh TSRMLS_CC
);
247 php_pqcur_object_t
*obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
250 throw_exce(EX_UNINITIALIZED TSRMLS_CC
, "pq\\Cursor not initialized");
251 } else if (!obj
->intern
->open
) {
252 if (SUCCESS
== php_pqconn_declare(NULL
, obj
->intern
->conn
, obj
->intern
->decl TSRMLS_CC
)) {
253 obj
->intern
->open
= 1;
259 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur_close
, 0, 0, 0)
261 static PHP_METHOD(pqcur
, close
)
263 zend_error_handling zeh
;
266 zend_replace_error_handling(EH_THROW
, exce(EX_INVALID_ARGUMENT
), &zeh TSRMLS_CC
);
267 rv
= zend_parse_parameters_none();
268 zend_restore_error_handling(&zeh TSRMLS_CC
);
271 php_pqcur_object_t
*obj
= zend_object_store_get_object(getThis() TSRMLS_CC
);
274 throw_exce(EX_UNINITIALIZED TSRMLS_CC
, "pq\\Cursor not initialized");
276 cur_close(obj TSRMLS_CC
);
281 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur_fetch
, 0, 0, 1)
282 ZEND_ARG_INFO(0, spec
)
284 static PHP_METHOD(pqcur
, fetch
)
286 cur_fetch_or_move(INTERNAL_FUNCTION_PARAM_PASSTHRU
, "fetch", 0);
289 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur_move
, 0, 0, 0)
290 ZEND_ARG_INFO(0, spec
)
292 static PHP_METHOD(pqcur
, move
)
294 cur_fetch_or_move(INTERNAL_FUNCTION_PARAM_PASSTHRU
, "move", 0);
297 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur_fetchAsync
, 0, 0, 0)
298 ZEND_ARG_INFO(0, spec
)
299 ZEND_ARG_INFO(0, callback
)
301 static PHP_METHOD(pqcur
, fetchAsync
)
303 cur_fetch_or_move(INTERNAL_FUNCTION_PARAM_PASSTHRU
, "fetch", 1);
306 ZEND_BEGIN_ARG_INFO_EX(ai_pqcur_moveAsync
, 0, 0, 0)
307 ZEND_ARG_INFO(0, spec
)
308 ZEND_ARG_INFO(0, callback
)
310 static PHP_METHOD(pqcur
, moveAsync
)
312 cur_fetch_or_move(INTERNAL_FUNCTION_PARAM_PASSTHRU
, "move", 1);
315 static zend_function_entry php_pqcur_methods
[] = {
316 PHP_ME(pqcur
, __construct
, ai_pqcur___construct
, ZEND_ACC_PUBLIC
|ZEND_ACC_CTOR
)
317 PHP_ME(pqcur
, open
, ai_pqcur_open
, ZEND_ACC_PUBLIC
)
318 PHP_ME(pqcur
, close
, ai_pqcur_close
, ZEND_ACC_PUBLIC
)
319 PHP_ME(pqcur
, fetch
, ai_pqcur_fetch
, ZEND_ACC_PUBLIC
)
320 PHP_ME(pqcur
, move
, ai_pqcur_move
, ZEND_ACC_PUBLIC
)
321 PHP_ME(pqcur
, fetchAsync
, ai_pqcur_fetchAsync
, ZEND_ACC_PUBLIC
)
322 PHP_ME(pqcur
, moveAsync
, ai_pqcur_moveAsync
, ZEND_ACC_PUBLIC
)
326 PHP_MSHUTDOWN_FUNCTION(pqcur
)
328 zend_hash_destroy(&php_pqcur_object_prophandlers
);
332 PHP_MINIT_FUNCTION(pqcur
)
334 zend_class_entry ce
= {0};
335 php_pq_object_prophandler_t ph
= {0};
337 INIT_NS_CLASS_ENTRY(ce
, "pq", "Cursor", php_pqcur_methods
);
338 php_pqcur_class_entry
= zend_register_internal_class_ex(&ce
, NULL
, NULL TSRMLS_CC
);
339 php_pqcur_class_entry
->create_object
= php_pqcur_create_object
;
341 memcpy(&php_pqcur_object_handlers
, zend_get_std_object_handlers(), sizeof(zend_object_handlers
));
342 php_pqcur_object_handlers
.read_property
= php_pq_object_read_prop
;
343 php_pqcur_object_handlers
.write_property
= php_pq_object_write_prop
;
344 php_pqcur_object_handlers
.clone_obj
= NULL
;
345 php_pqcur_object_handlers
.get_property_ptr_ptr
= NULL
;
346 php_pqcur_object_handlers
.get_gc
= NULL
;
347 php_pqcur_object_handlers
.get_properties
= php_pq_object_properties
;
348 php_pqcur_object_handlers
.get_debug_info
= php_pq_object_debug_info
;
350 zend_hash_init(&php_pqcur_object_prophandlers
, 2, NULL
, NULL
, 1);
352 zend_declare_class_constant_long(php_pqcur_class_entry
, ZEND_STRL("BINARY"), PHP_PQ_DECLARE_BINARY TSRMLS_CC
);
353 zend_declare_class_constant_long(php_pqcur_class_entry
, ZEND_STRL("INSENSITIVE"), PHP_PQ_DECLARE_INSENSITIVE TSRMLS_CC
);
354 zend_declare_class_constant_long(php_pqcur_class_entry
, ZEND_STRL("WITH_HOLD"), PHP_PQ_DECLARE_WITH_HOLD TSRMLS_CC
);
355 zend_declare_class_constant_long(php_pqcur_class_entry
, ZEND_STRL("SCROLL"), PHP_PQ_DECLARE_SCROLL TSRMLS_CC
);
356 zend_declare_class_constant_long(php_pqcur_class_entry
, ZEND_STRL("NO_SCROLL"), PHP_PQ_DECLARE_NO_SCROLL TSRMLS_CC
);
358 zend_declare_property_null(php_pqcur_class_entry
, ZEND_STRL("name"), ZEND_ACC_PUBLIC TSRMLS_CC
);
359 ph
.read
= php_pqcur_object_read_name
;
360 zend_hash_add(&php_pqcur_object_prophandlers
, "name", sizeof("name"), (void *) &ph
, sizeof(ph
), NULL
);
362 zend_declare_property_null(php_pqcur_class_entry
, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC
);
363 ph
.read
= php_pqcur_object_read_connection
;
364 zend_hash_add(&php_pqcur_object_prophandlers
, "connection", sizeof("connection"), (void *) &ph
, sizeof(ph
), NULL
);
374 * vim600: noet sw=4 ts=4 fdm=marker
375 * vim<600: noet sw=4 ts=4