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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2014 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 317989 2011-10-10 20:49:28Z andrey $ */
#include "php.h"
#include "mysqlnd.h"
#include "mysqlnd_wireprotocol.h"
#include "mysqlnd_priv.h"
#include "mysqlnd_result.h"
#include "mysqlnd_statistics.h"
#include "mysqlnd_charset.h"
#include "mysqlnd_debug.h"
#include "mysqlnd_reverse_api.h"
#include "mysqlnd_ext_plugin.h"
static zend_bool mysqlnd_library_initted = FALSE;
static struct st_mysqlnd_plugin_core mysqlnd_plugin_core =
{
{
MYSQLND_PLUGIN_API_VERSION,
"mysqlnd",
MYSQLND_VERSION_ID,
MYSQLND_VERSION,
"PHP License 3.01",
"Andrey Hristov <andrey@mysql.com>, Ulf Wendel <uwendel@mysql.com>, Georg Richter <georg@mysql.com>",
{
NULL, /* will be filled later */
mysqlnd_stats_values_names,
},
{
NULL /* plugin shutdown */
}
}
};
/* {{{ mysqlnd_library_end */
PHPAPI void mysqlnd_library_end(TSRMLS_D)
{
if (mysqlnd_library_initted == TRUE) {
mysqlnd_plugin_subsystem_end(TSRMLS_C);
mysqlnd_stats_end(mysqlnd_global_stats);
mysqlnd_global_stats = NULL;
mysqlnd_library_initted = FALSE;
mysqlnd_reverse_api_end(TSRMLS_C);
}
}
/* }}} */
/* {{{ mysqlnd_library_init */
PHPAPI void mysqlnd_library_init(TSRMLS_D)
{
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);
mysqlnd_plugin_subsystem_init(TSRMLS_C);
{
mysqlnd_plugin_core.plugin_header.plugin_stats.values = mysqlnd_global_stats;
mysqlnd_plugin_register_ex((struct st_mysqlnd_plugin_header *) &mysqlnd_plugin_core TSRMLS_CC);
}
#if defined(MYSQLND_DBG_ENABLED) && MYSQLND_DBG_ENABLED == 1
mysqlnd_example_plugin_register(TSRMLS_C);
#endif
mysqlnd_debug_trace_plugin_register(TSRMLS_C);
mysqlnd_register_builtin_authentication_plugins(TSRMLS_C);
mysqlnd_reverse_api_init(TSRMLS_C);
}
}
/* }}} */
/* {{{ mysqlnd_error_list_pdtor */
static void
mysqlnd_error_list_pdtor(void * pDest)
{
MYSQLND_ERROR_LIST_ELEMENT * element = (MYSQLND_ERROR_LIST_ELEMENT *) pDest;
#ifdef ZTS
TSRMLS_FETCH();
#endif
DBG_ENTER("mysqlnd_error_list_pdtor");
if (element->error) {
mnd_pefree(element->error, TRUE);
}
DBG_VOID_RETURN;
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_connection */
static MYSQLND *
MYSQLND_METHOD(mysqlnd_object_factory, get_connection)(zend_bool persistent TSRMLS_DC)
{
size_t alloc_size_ret = sizeof(MYSQLND) + mysqlnd_plugin_count() * sizeof(void *);
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;
data->error_info = &(data->error_info_impl);
data->options = &(data->options_impl);
data->upsert_status = &(data->upsert_status_impl);
data->persistent = persistent;
data->m = mysqlnd_conn_data_get_methods();
CONN_SET_STATE(data, CONN_ALLOCED);
data->m->get_reference(data TSRMLS_CC);
if (PASS != data->m->init(data TSRMLS_CC)) {
new_object->m->dtor(new_object TSRMLS_CC);
DBG_RETURN(NULL);
}
data->error_info->error_list = mnd_pecalloc(1, sizeof(zend_llist), persistent);
if (!data->error_info->error_list) {
new_object->m->dtor(new_object TSRMLS_CC);
DBG_RETURN(NULL);
} else {
zend_llist_init(data->error_info->error_list, sizeof(MYSQLND_ERROR_LIST_ELEMENT), (llist_dtor_func_t)mysqlnd_error_list_pdtor, persistent);
}
DBG_RETURN(new_object);
}
/* }}} */
/* {{{ mysqlnd_object_factory::clone_connection_object */
static MYSQLND *
MYSQLND_METHOD(mysqlnd_object_factory, clone_connection_object)(MYSQLND * to_be_cloned TSRMLS_DC)
{
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 TSRMLS_CC);
if (!new_object->data) {
new_object->m->dtor(new_object TSRMLS_CC);
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 TSRMLS_DC)
{
size_t alloc_size = sizeof(MYSQLND_STMT) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_STMT * ret = mnd_pecalloc(1, alloc_size, conn->persistent);
MYSQLND_STMT_DATA * stmt = NULL;
DBG_ENTER("mysqlnd_object_factory::get_prepared_statement");
do {
if (!ret) {
break;
}
ret->m = mysqlnd_stmt_get_methods();
ret->persistent = conn->persistent;
stmt = ret->data = mnd_pecalloc(1, sizeof(MYSQLND_STMT_DATA), conn->persistent);
DBG_INF_FMT("stmt=%p", stmt);
if (!stmt) {
break;
}
stmt->persistent = conn->persistent;
stmt->error_info = &(stmt->error_info_impl);
stmt->upsert_status = &(stmt->upsert_status_impl);
stmt->state = MYSQLND_STMT_INITTED;
stmt->execute_cmd_buffer.length = 4096;
stmt->execute_cmd_buffer.buffer = mnd_pemalloc(stmt->execute_cmd_buffer.length, stmt->persistent);
if (!stmt->execute_cmd_buffer.buffer) {
break;
}
stmt->prefetch_rows = MYSQLND_DEFAULT_PREFETCH_ROWS;
/*
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 TSRMLS_CC);
stmt->error_info->error_list = mnd_pecalloc(1, sizeof(zend_llist), ret->persistent);
if (!stmt->error_info->error_list) {
break;
}
zend_llist_init(stmt->error_info->error_list, sizeof(MYSQLND_ERROR_LIST_ELEMENT), (llist_dtor_func_t) mysqlnd_error_list_pdtor, conn->persistent);
DBG_RETURN(ret);
} while (0);
SET_OOM_ERROR(*conn->error_info);
if (ret) {
ret->m->dtor(ret, TRUE TSRMLS_CC);
ret = NULL;
}
DBG_RETURN(NULL);
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_io_channel */
PHPAPI MYSQLND_NET *
MYSQLND_METHOD(mysqlnd_object_factory, get_io_channel)(zend_bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info TSRMLS_DC)
{
size_t net_alloc_size = sizeof(MYSQLND_NET) + mysqlnd_plugin_count() * sizeof(void *);
size_t net_data_alloc_size = sizeof(MYSQLND_NET_DATA) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_NET * net = mnd_pecalloc(1, net_alloc_size, persistent);
MYSQLND_NET_DATA * net_data = mnd_pecalloc(1, net_data_alloc_size, persistent);
DBG_ENTER("mysqlnd_object_factory::get_io_channel");
DBG_INF_FMT("persistent=%u", persistent);
if (net && net_data) {
net->data = net_data;
net->persistent = net->data->persistent = persistent;
net->data->m = *mysqlnd_net_get_methods();
if (PASS != net->data->m.init(net, stats, error_info TSRMLS_CC)) {
net->data->m.dtor(net, stats, error_info TSRMLS_CC);
net = NULL;
}
} else {
if (net_data) {
mnd_pefree(net_data, persistent);
net_data = NULL;
}
if (net) {
mnd_pefree(net, persistent);
net = NULL;
}
}
DBG_RETURN(net);
}
/* }}} */
/* {{{ mysqlnd_object_factory::get_protocol_decoder */
static MYSQLND_PROTOCOL *
MYSQLND_METHOD(mysqlnd_object_factory, get_protocol_decoder)(zend_bool persistent TSRMLS_DC)
{
size_t alloc_size = sizeof(MYSQLND_PROTOCOL) + mysqlnd_plugin_count() * sizeof(void *);
MYSQLND_PROTOCOL *ret = mnd_pecalloc(1, alloc_size, persistent);
DBG_ENTER("mysqlnd_object_factory::get_protocol_decoder");
DBG_INF_FMT("persistent=%u", persistent);
if (ret) {
ret->persistent = persistent;
ret->m = mysqlnd_mysqlnd_protocol_methods;
}
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_io_channel),
MYSQLND_METHOD(mysqlnd_object_factory, get_protocol_decoder)
MYSQLND_CLASS_METHODS_END;
/*
* 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
*/
|
