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dis-bench / src /php /php-src /ext /mysqlnd /mysqlnd_driver.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_vio.h"
#include "mysqlnd_protocol_frame_codec.h"
#include "mysqlnd_wireprotocol.h"
#include "mysqlnd_connection.h"
#include "mysqlnd_ps.h"
#include "mysqlnd_plugin.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_statistics.h"
#include "mysqlnd_debug.h"
#include "mysqlnd_reverse_api.h"
#include "mysqlnd_ext_plugin.h"
static bool mysqlnd_library_initted = FALSE;
static struct st_mysqlnd_plugin_core mysqlnd_plugin_core =
{
{
MYSQLND_PLUGIN_API_VERSION,
"mysqlnd",
MYSQLND_VERSION_ID,
PHP_MYSQLND_VERSION,
"PHP License 3.01",
"Andrey Hristov <andrey@php.net>, Ulf Wendel <uw@php.net>, Georg Richter <georg@php.net>",
{
NULL, /* will be filled later */
mysqlnd_stats_values_names,
},
{
NULL /* plugin shutdown */
}
}
};
/* {{{ mysqlnd_library_end */
PHPAPI void mysqlnd_library_end(void)
{
if (mysqlnd_library_initted == TRUE) {
mysqlnd_plugin_subsystem_end();
mysqlnd_stats_end(mysqlnd_global_stats, 1);
mysqlnd_global_stats = NULL;
mysqlnd_library_initted = FALSE;
mysqlnd_reverse_api_end();
}
}
/* }}} */
/* {{{ mysqlnd_library_init */
PHPAPI void mysqlnd_library_init(void)
{
if (mysqlnd_library_initted == FALSE) {
mysqlnd_library_initted = TRUE;
mysqlnd_conn_set_methods(&MYSQLND_CLASS_METHOD_TABLE_NAME(mysqlnd_conn));
mysqlnd_conn_data_set_methods(&MYSQLND_CLASS_METHOD_TABLE_NAME(mysqlnd_conn_data));
_mysqlnd_init_ps_subsystem();
/* Should be calloc, as mnd_calloc will reference LOCK_access*/
mysqlnd_stats_init(&mysqlnd_global_stats, STAT_LAST, 1);
mysqlnd_plugin_subsystem_init();
{
mysqlnd_plugin_core.plugin_header.plugin_stats.values = mysqlnd_global_stats;
mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_plugin_core);
}
#if MYSQLND_DBG_ENABLED == 1
mysqlnd_example_plugin_register();
#endif
mysqlnd_debug_trace_plugin_register();
mysqlnd_register_builtin_authentication_plugins();
mysqlnd_reverse_api_init();
#if MYSQLND_CHARSETS_SANITY_CHECK == 1
void mysqlnd_charsets_sanity_check(void);
mysqlnd_charsets_sanity_check();
#endif
}
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_connection */
static MYSQLND *
MYSQLND_METHOD(mysqlnd_object_factory, get_connection)(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory) *factory, const bool persistent)
{
const size_t alloc_size_ret = sizeof(MYSQLND) + mysqlnd_plugin_count() * sizeof(void *);
const size_t alloc_size_ret_data = sizeof(MYSQLND_CONN_DATA) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND * new_object;
MYSQLND_CONN_DATA * data;
DBG_ENTER("mysqlnd_driver::get_connection");
DBG_INF_FMT("persistent=%u", persistent);
new_object = mnd_pecalloc(1, alloc_size_ret, persistent);
if (!new_object) {
DBG_RETURN(NULL);
}
new_object->data = mnd_pecalloc(1, alloc_size_ret_data, persistent);
if (!new_object->data) {
mnd_pefree(new_object, persistent);
DBG_RETURN(NULL);
}
new_object->persistent = persistent;
new_object->m = mysqlnd_conn_get_methods();
data = new_object->data;
mysqlnd_error_info_init(&data->error_info_impl, persistent);
data->error_info = &data->error_info_impl;
data->options = &(data->options_impl);
mysqlnd_upsert_status_init(&data->upsert_status_impl);
data->upsert_status = &(data->upsert_status_impl);
UPSERT_STATUS_SET_AFFECTED_ROWS_TO_ERROR(data->upsert_status);
data->persistent = persistent;
data->m = mysqlnd_conn_data_get_methods();
data->object_factory = *factory;
mysqlnd_connection_state_init(&data->state);
data->m->get_reference(data);
mysqlnd_stats_init(&data->stats, STAT_LAST, persistent);
data->protocol_frame_codec = mysqlnd_pfc_init(persistent, factory, data->stats, data->error_info);
data->vio = mysqlnd_vio_init(persistent, factory, data->stats, data->error_info);
data->payload_decoder_factory = mysqlnd_protocol_payload_decoder_factory_init(data, persistent);
data->command = mysqlnd_command_get_methods();
if (!data->protocol_frame_codec || !data->vio || !data->payload_decoder_factory || !data->command) {
new_object->m->dtor(new_object);
DBG_RETURN(NULL);
}
DBG_RETURN(new_object);
}
/* }}} */
/* {{{ mysqlnd_object_factory::clone_connection_object */
static MYSQLND *
MYSQLND_METHOD(mysqlnd_object_factory, clone_connection_object)(MYSQLND * to_be_cloned)
{
const size_t alloc_size_ret = sizeof(MYSQLND) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND * new_object;
DBG_ENTER("mysqlnd_driver::clone_connection_object");
DBG_INF_FMT("persistent=%u", to_be_cloned->persistent);
if (!to_be_cloned || !to_be_cloned->data) {
DBG_RETURN(NULL);
}
new_object = mnd_pecalloc(1, alloc_size_ret, to_be_cloned->persistent);
if (!new_object) {
DBG_RETURN(NULL);
}
new_object->persistent = to_be_cloned->persistent;
new_object->m = to_be_cloned->m;
new_object->data = to_be_cloned->data->m->get_reference(to_be_cloned->data);
if (!new_object->data) {
new_object->m->dtor(new_object);
new_object = NULL;
}
DBG_RETURN(new_object);
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_prepared_statement */
static MYSQLND_STMT *
MYSQLND_METHOD(mysqlnd_object_factory, get_prepared_statement)(MYSQLND_CONN_DATA * const conn)
{
const size_t alloc_size = sizeof(MYSQLND_STMT) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_STMT * ret = mnd_ecalloc(1, alloc_size);
MYSQLND_STMT_DATA * stmt = NULL;
DBG_ENTER("mysqlnd_object_factory::get_prepared_statement");
ret->m = mysqlnd_stmt_get_methods();
stmt = ret->data = mnd_ecalloc(1, sizeof(MYSQLND_STMT_DATA));
DBG_INF_FMT("stmt=%p", stmt);
mysqlnd_error_info_init(&stmt->error_info_impl, 0);
stmt->error_info = &stmt->error_info_impl;
mysqlnd_upsert_status_init(&stmt->upsert_status_impl);
stmt->upsert_status = &(stmt->upsert_status_impl);
stmt->state = MYSQLND_STMT_INITTED;
stmt->execute_cmd_buffer.length = MYSQLND_NET_CMD_BUFFER_MIN_SIZE;
stmt->execute_cmd_buffer.buffer = mnd_emalloc(stmt->execute_cmd_buffer.length);
/*
Mark that we reference the connection, thus it won't be
be destructed till there is open statements. The last statement
or normal query result will close it then.
*/
stmt->conn = conn->m->get_reference(conn);
DBG_RETURN(ret);
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_pfc */
static MYSQLND_PFC *
MYSQLND_METHOD(mysqlnd_object_factory, get_pfc)(const bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info)
{
const size_t pfc_alloc_size = ZEND_MM_ALIGNED_SIZE(sizeof(MYSQLND_PFC) + mysqlnd_plugin_count() * sizeof(void *));
const size_t pfc_data_alloc_size = sizeof(MYSQLND_PFC_DATA) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_PFC * pfc = mnd_pecalloc(1, pfc_alloc_size + pfc_data_alloc_size, persistent);
DBG_ENTER("mysqlnd_object_factory::get_pfc");
DBG_INF_FMT("persistent=%u", persistent);
if (pfc) {
pfc->data = (MYSQLND_PFC_DATA*)((char*)pfc + pfc_alloc_size);
pfc->persistent = pfc->data->persistent = persistent;
pfc->data->m = *mysqlnd_pfc_get_methods();
pfc->data->m.init(pfc, stats, error_info);
}
DBG_RETURN(pfc);
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_vio */
static MYSQLND_VIO *
MYSQLND_METHOD(mysqlnd_object_factory, get_vio)(const bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info)
{
const size_t vio_alloc_size = ZEND_MM_ALIGNED_SIZE(sizeof(MYSQLND_VIO) + mysqlnd_plugin_count() * sizeof(void *));
const size_t vio_data_alloc_size = sizeof(MYSQLND_VIO_DATA) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_VIO * vio = mnd_pecalloc(1, vio_alloc_size + vio_data_alloc_size, persistent);
DBG_ENTER("mysqlnd_object_factory::get_vio");
DBG_INF_FMT("persistent=%u", persistent);
if (vio) {
vio->data = (MYSQLND_VIO_DATA*)((char*)vio + vio_alloc_size);
vio->persistent = vio->data->persistent = persistent;
vio->data->m = *mysqlnd_vio_get_methods();
vio->data->m.init(vio, stats, error_info);
}
DBG_RETURN(vio);
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_protocol_payload_decoder_factory */
static MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY *
MYSQLND_METHOD(mysqlnd_object_factory, get_protocol_payload_decoder_factory)(MYSQLND_CONN_DATA * conn, const bool persistent)
{
const size_t alloc_size = sizeof(MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY *ret = mnd_pecalloc(1, alloc_size, persistent);
DBG_ENTER("mysqlnd_object_factory::get_protocol_payload_decoder_factory");
DBG_INF_FMT("persistent=%u", persistent);
if (ret) {
ret->persistent = persistent;
ret->conn = conn;
ret->m = MYSQLND_CLASS_METHOD_TABLE_NAME(mysqlnd_protocol_payload_decoder_factory);
}
DBG_RETURN(ret);
}
/* }}} */
PHPAPI MYSQLND_CLASS_METHODS_START(mysqlnd_object_factory)
MYSQLND_METHOD(mysqlnd_object_factory, get_connection),
MYSQLND_METHOD(mysqlnd_object_factory, clone_connection_object),
MYSQLND_METHOD(mysqlnd_object_factory, get_prepared_statement),
MYSQLND_METHOD(mysqlnd_object_factory, get_pfc),
MYSQLND_METHOD(mysqlnd_object_factory, get_vio),
MYSQLND_METHOD(mysqlnd_object_factory, get_protocol_payload_decoder_factory)
MYSQLND_CLASS_METHODS_END;