/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 2006-2016 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 | | Ulf Wendel | | Georg Richter | +----------------------------------------------------------------------+ */ /* $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 , Ulf Wendel , Georg Richter ", { 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 */