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dis-bench / src /php /php-src /ext /mysqlnd /mysqlnd_plugin.c
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/*
+----------------------------------------------------------------------+
| Copyright (c) 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: |
| https://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@php.net> |
| Ulf Wendel <uw@php.net> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "mysqlnd.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_statistics.h"
#include "mysqlnd_debug.h"
/*--------------------------------------------------------------------*/
#if MYSQLND_DBG_ENABLED == 1
static enum_func_status mysqlnd_example_plugin_end(void * p);
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 */
0
};
/* {{{ mysqlnd_example_plugin_end */
static
enum_func_status mysqlnd_example_plugin_end(void * p)
{
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, 1);
plugin->plugin_header.plugin_stats.values = NULL;
DBG_RETURN(PASS);
}
/* }}} */
/* {{{ mysqlnd_example_plugin_register */
void
mysqlnd_example_plugin_register(void)
{
mysqlnd_stats_init(&mysqlnd_plugin_example_stats, EXAMPLE_STAT_LAST, 1);
mysqlnd_example_plugin.plugin_header.plugin_stats.values = mysqlnd_plugin_example_stats;
mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_example_plugin);
}
/* }}} */
#endif /* 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(void)
{
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(zval *el)
{
struct st_mysqlnd_plugin_header * plugin_header = (struct st_mysqlnd_plugin_header *)Z_PTR_P(el);
if (plugin_header->m.plugin_shutdown) {
plugin_header->m.plugin_shutdown(plugin_header);
}
return ZEND_HASH_APPLY_REMOVE;
}
/* }}} */
/* {{{ mysqlnd_plugin_subsystem_end */
void
mysqlnd_plugin_subsystem_end(void)
{
zend_hash_apply(&mysqlnd_registered_plugins, mysqlnd_plugin_end_apply_func);
zend_hash_destroy(&mysqlnd_registered_plugins);
}
/* }}} */
/* {{{ mysqlnd_plugin_register */
PHPAPI unsigned int mysqlnd_plugin_register(void)
{
return mysqlnd_plugin_register_ex(NULL);
}
/* }}} */
/* {{{ mysqlnd_plugin_register_ex */
PHPAPI unsigned int mysqlnd_plugin_register_ex(struct st_mysqlnd_plugin_header * plugin)
{
if (plugin) {
if (plugin->plugin_api_version == MYSQLND_PLUGIN_API_VERSION) {
zend_hash_str_update_ptr(&mysqlnd_registered_plugins, plugin->plugin_name, strlen(plugin->plugin_name), plugin);
} else {
php_error_docref(NULL, 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)
{
void * plugin;
if ((plugin = zend_hash_str_find_ptr(&mysqlnd_registered_plugins, name, strlen(name))) != NULL) {
return plugin;
}
return NULL;
}
/* }}} */
/* {{{ mysqlnd_plugin_apply_with_argument */
PHPAPI void mysqlnd_plugin_apply_with_argument(apply_func_arg_t apply_func, void * argument)
{
zval *val;
int result;
ZEND_HASH_MAP_FOREACH_VAL(&mysqlnd_registered_plugins, val) {
result = apply_func(val, argument);
if (result & ZEND_HASH_APPLY_REMOVE) {
php_error_docref(NULL, E_WARNING, "mysqlnd_plugin_apply_with_argument must not remove table entries");
}
if (result & ZEND_HASH_APPLY_STOP) {
break;
}
} ZEND_HASH_FOREACH_END();
}
/* }}} */
/* {{{ mysqlnd_plugin_count */
PHPAPI unsigned int mysqlnd_plugin_count(void)
{
return mysqlnd_plugins_counter;
}
/* }}} */