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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2013 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. |
+----------------------------------------------------------------------+
| Authors: Andrey Hristov <andrey@mysql.com> |
| Ulf Wendel <uwendel@mysql.com> |
| Georg Richter <georg@mysql.com> |
+----------------------------------------------------------------------+
*/
/* $Id: mysqlnd.c 306407 2010-12-16 12:56:19Z andrey $ */
#include "php.h"
#include "mysqlnd.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_statistics.h"
#include "mysqlnd_debug.h"
/*--------------------------------------------------------------------*/
#if defined(MYSQLND_DBG_ENABLED) && MYSQLND_DBG_ENABLED == 1
static enum_func_status mysqlnd_example_plugin_end(void * p TSRMLS_DC);
static MYSQLND_STATS * mysqlnd_plugin_example_stats = NULL;
enum mysqlnd_plugin_example_collected_stats
{
EXAMPLE_STAT1,
EXAMPLE_STAT2,
EXAMPLE_STAT_LAST
};
static const MYSQLND_STRING mysqlnd_plugin_example_stats_values_names[EXAMPLE_STAT_LAST] =
{
{ MYSQLND_STR_W_LEN("stat1") },
{ MYSQLND_STR_W_LEN("stat2") }
};
static struct st_mysqlnd_typeii_plugin_example mysqlnd_example_plugin =
{
{
MYSQLND_PLUGIN_API_VERSION,
"example",
10001L,
"1.00.01",
"PHP License",
"Andrey Hristov <andrey@php.net>",
{
NULL, /* will be filled later */
mysqlnd_plugin_example_stats_values_names,
},
{
mysqlnd_example_plugin_end
}
},
NULL, /* methods */
};
/* {{{ mysqlnd_example_plugin_end */
static
enum_func_status mysqlnd_example_plugin_end(void * p TSRMLS_DC)
{
struct st_mysqlnd_typeii_plugin_example * plugin = (struct st_mysqlnd_typeii_plugin_example *) p;
DBG_ENTER("mysqlnd_example_plugin_end");
mysqlnd_stats_end(plugin->plugin_header.plugin_stats.values);
plugin->plugin_header.plugin_stats.values = NULL;
DBG_RETURN(PASS);
}
/* }}} */
/* {{{ mysqlnd_example_plugin_register */
void
mysqlnd_example_plugin_register(TSRMLS_D)
{
mysqlnd_stats_init(&mysqlnd_plugin_example_stats, EXAMPLE_STAT_LAST);
mysqlnd_example_plugin.plugin_header.plugin_stats.values = mysqlnd_plugin_example_stats;
mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_example_plugin TSRMLS_CC);
}
/* }}} */
#endif /* defined(MYSQLND_DBG_ENABLED) && MYSQLND_DBG_ENABLED == 1 */
/*--------------------------------------------------------------------*/
static HashTable mysqlnd_registered_plugins;
static unsigned int mysqlnd_plugins_counter = 0;
/* {{{ mysqlnd_plugin_subsystem_init */
void
mysqlnd_plugin_subsystem_init(TSRMLS_D)
{
zend_hash_init(&mysqlnd_registered_plugins, 4 /* initial hash size */, NULL /* hash_func */, NULL /* dtor */, TRUE /* pers */);
}
/* }}} */
/* {{{ mysqlnd_plugin_end_apply_func */
int
mysqlnd_plugin_end_apply_func(void *pDest TSRMLS_DC)
{
struct st_mysqlnd_plugin_header * plugin_header = *(struct st_mysqlnd_plugin_header **) pDest;
if (plugin_header->m.plugin_shutdown) {
plugin_header->m.plugin_shutdown(plugin_header TSRMLS_CC);
}
return ZEND_HASH_APPLY_REMOVE;
}
/* }}} */
/* {{{ mysqlnd_plugin_subsystem_end */
void
mysqlnd_plugin_subsystem_end(TSRMLS_D)
{
zend_hash_apply(&mysqlnd_registered_plugins, mysqlnd_plugin_end_apply_func TSRMLS_CC);
zend_hash_destroy(&mysqlnd_registered_plugins);
}
/* }}} */
/* {{{ mysqlnd_plugin_register */
PHPAPI unsigned int mysqlnd_plugin_register()
{
TSRMLS_FETCH();
return mysqlnd_plugin_register_ex(NULL TSRMLS_CC);
}
/* }}} */
/* {{{ mysqlnd_plugin_register_ex */
PHPAPI unsigned int mysqlnd_plugin_register_ex(struct st_mysqlnd_plugin_header * plugin TSRMLS_DC)
{
if (plugin) {
if (plugin->plugin_api_version == MYSQLND_PLUGIN_API_VERSION) {
zend_hash_update(&mysqlnd_registered_plugins, plugin->plugin_name, strlen(plugin->plugin_name) + 1, &plugin, sizeof(void *), NULL);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Plugin API version mismatch while loading plugin %s. Expected %d, got %d",
plugin->plugin_name, MYSQLND_PLUGIN_API_VERSION, plugin->plugin_api_version);
return 0xCAFE;
}
}
return mysqlnd_plugins_counter++;
}
/* }}} */
/* {{{ mysqlnd_plugin_find */
PHPAPI void * _mysqlnd_plugin_find(const char * const name TSRMLS_DC)
{
void * plugin;
if (SUCCESS == zend_hash_find(&mysqlnd_registered_plugins, name, strlen(name) + 1, (void **) &plugin)) {
return (void *)*(char **) plugin;
}
return NULL;
}
/* }}} */
/* {{{ _mysqlnd_plugin_apply_with_argument */
PHPAPI void _mysqlnd_plugin_apply_with_argument(apply_func_arg_t apply_func, void * argument TSRMLS_DC)
{
/* Note: We want to be thread-safe (read-only), so we can use neither
* zend_hash_apply_with_argument nor zend_hash_internal_pointer_reset and
* friends
*/
Bucket *p;
p = mysqlnd_registered_plugins.pListHead;
while (p != NULL) {
int result = apply_func(p->pData, argument TSRMLS_CC);
if (result & ZEND_HASH_APPLY_REMOVE) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "mysqlnd_plugin_apply_with_argument must not remove table entries");
}
p = p->pListNext;
if (result & ZEND_HASH_APPLY_STOP) {
break;
}
}
}
/* }}} */
/* {{{ mysqlnd_plugin_count */
PHPAPI unsigned int mysqlnd_plugin_count()
{
return mysqlnd_plugins_counter;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|
