/* +----------------------------------------------------------------------+ | PHP Version 4 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2003 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 2.02 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available at through the world-wide-web at | | http://www.php.net/license/2_02.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: Zeev Suraski | | Tom May | | Timm Friebe | +----------------------------------------------------------------------+ */ /* $Id$ */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "php.h" #include "php_sybase_ct.h" #include "ext/standard/php_standard.h" #include "ext/standard/info.h" #include "php_globals.h" #include "php_ini.h" /* True globals, no need for thread safety */ static int le_link, le_plink, le_result; #if HAVE_SYBASE_CT function_entry sybase_functions[] = { PHP_FE(sybase_connect, NULL) PHP_FE(sybase_pconnect, NULL) PHP_FE(sybase_close, NULL) PHP_FE(sybase_select_db, NULL) PHP_FE(sybase_query, NULL) PHP_FE(sybase_unbuffered_query, NULL) PHP_FE(sybase_free_result, NULL) PHP_FE(sybase_get_last_message, NULL) PHP_FE(sybase_num_rows, NULL) PHP_FE(sybase_num_fields, NULL) PHP_FE(sybase_fetch_row, NULL) PHP_FE(sybase_fetch_array, NULL) PHP_FE(sybase_fetch_assoc, NULL) PHP_FE(sybase_fetch_object, NULL) PHP_FE(sybase_data_seek, NULL) PHP_FE(sybase_fetch_field, NULL) PHP_FE(sybase_field_seek, NULL) PHP_FE(sybase_result, NULL) PHP_FE(sybase_affected_rows, NULL) PHP_FE(sybase_min_client_severity, NULL) PHP_FE(sybase_min_server_severity, NULL) PHP_FE(sybase_set_message_handler, NULL) PHP_FE(sybase_deadlock_retry_count, NULL) PHP_FALIAS(mssql_connect, sybase_connect, NULL) PHP_FALIAS(mssql_pconnect, sybase_pconnect, NULL) PHP_FALIAS(mssql_close, sybase_close, NULL) PHP_FALIAS(mssql_select_db, sybase_select_db, NULL) PHP_FALIAS(mssql_query, sybase_query, NULL) PHP_FALIAS(mssql_unbuffered_query, sybase_unbuffered_query, NULL) PHP_FALIAS(mssql_free_result, sybase_free_result, NULL) PHP_FALIAS(mssql_get_last_message, sybase_get_last_message, NULL) PHP_FALIAS(mssql_num_rows, sybase_num_rows, NULL) PHP_FALIAS(mssql_num_fields, sybase_num_fields, NULL) PHP_FALIAS(mssql_fetch_row, sybase_fetch_row, NULL) PHP_FALIAS(mssql_fetch_array, sybase_fetch_array, NULL) PHP_FALIAS(mssql_fetch_assoc, sybase_fetch_assoc, NULL) PHP_FALIAS(mssql_fetch_object, sybase_fetch_object, NULL) PHP_FALIAS(mssql_data_seek, sybase_data_seek, NULL) PHP_FALIAS(mssql_fetch_field, sybase_fetch_field, NULL) PHP_FALIAS(mssql_field_seek, sybase_field_seek, NULL) PHP_FALIAS(mssql_result, sybase_result, NULL) PHP_FALIAS(mssql_affected_rows, sybase_affected_rows, NULL) PHP_FALIAS(mssql_min_client_severity, sybase_min_client_severity, NULL) PHP_FALIAS(mssql_min_server_severity, sybase_min_server_severity, NULL) PHP_FALIAS(mssql_set_message_handler, sybase_set_message_handler, NULL) PHP_FALIAS(mssql_deadlock_retry_count, sybase_deadlock_retry_count, NULL) {NULL, NULL, NULL} }; zend_module_entry sybase_module_entry = { STANDARD_MODULE_HEADER, "sybase_ct", sybase_functions, PHP_MINIT(sybase), PHP_MSHUTDOWN(sybase), PHP_RINIT(sybase), PHP_RSHUTDOWN(sybase), PHP_MINFO(sybase), NO_VERSION_YET, STANDARD_MODULE_PROPERTIES }; ZEND_DECLARE_MODULE_GLOBALS(sybase) /* static CS_CONTEXT *context; */ #ifdef COMPILE_DL_SYBASE_CT ZEND_GET_MODULE(sybase) #endif ZEND_DECLARE_MODULE_GLOBALS(sybase) #define CHECK_LINK(link) { if (link==-1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: A link to the server could not be established"); RETURN_FALSE; } } static int _clean_invalid_results(list_entry *le TSRMLS_DC) { if (Z_TYPE_P(le) == le_result) { sybase_link *sybase_ptr = ((sybase_result *) le->ptr)->sybase_ptr; if (!sybase_ptr->valid) { return 1; } } return 0; } static void _free_sybase_result(sybase_result *result) { int i, j; if (result->data) { for (i=0; i<(result->store ? result->num_rows : 0); i++) { for (j=0; jnum_fields; j++) { zval_dtor(&result->data[i][j]); } efree(result->data[i]); } efree(result->data); } if (result->fields) { for (i=0; inum_fields; i++) { STR_FREE(result->fields[i].name); STR_FREE(result->fields[i].column_source); } efree(result->fields); } efree(result); } static void php_free_sybase_result(zend_rsrc_list_entry *rsrc TSRMLS_DC) { sybase_result *result = (sybase_result *)rsrc->ptr; _free_sybase_result(result); } static void _close_sybase_link(zend_rsrc_list_entry *rsrc TSRMLS_DC) { sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr; CS_INT con_status; sybase_ptr->valid = 0; zend_hash_apply(&EG(regular_list), (apply_func_t) _clean_invalid_results TSRMLS_CC); /* Non-persistent connections will always be connected or we wouldn't * get here, but since we want to check the death status anyway * we might as well double-check the connect status. */ if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS, &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status on close"); /* Assume the worst. */ con_status = CS_CONSTAT_CONNECTED | CS_CONSTAT_DEAD; } if (con_status & CS_CONSTAT_CONNECTED) { if ((con_status & CS_CONSTAT_DEAD) || ct_close(sybase_ptr->connection, CS_UNUSED)!=CS_SUCCEED) { ct_close(sybase_ptr->connection, CS_FORCE_CLOSE); } } ct_con_drop(sybase_ptr->connection); efree(sybase_ptr); SybCtG(num_links)--; } static void _close_sybase_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC) { sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr; CS_INT con_status; /* Persistent connections may have been closed before a failed * reopen attempt. */ if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS, &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status on close"); /* Assume the worst. */ con_status = CS_CONSTAT_CONNECTED | CS_CONSTAT_DEAD; } if (con_status & CS_CONSTAT_CONNECTED) { if ((con_status & CS_CONSTAT_DEAD) || ct_close(sybase_ptr->connection, CS_UNUSED)!=CS_SUCCEED) { ct_close(sybase_ptr->connection, CS_FORCE_CLOSE); } } ct_con_drop(sybase_ptr->connection); free(sybase_ptr); SybCtG(num_persistent)--; SybCtG(num_links)--; } static CS_RETCODE CS_PUBLIC _client_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_CLIENTMSG *errmsg) { TSRMLS_FETCH(); if (CS_SEVERITY(errmsg->msgnumber) >= SybCtG(min_client_severity)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Client message: %s (severity %d)", errmsg->msgstring, CS_SEVERITY(errmsg->msgnumber)); } STR_FREE(SybCtG(server_message)); SybCtG(server_message) = estrdup(errmsg->msgstring); /* If this is a timeout message, return CS_FAIL to cancel the * operation and mark the connection as dead. */ if (CS_SEVERITY(errmsg->msgnumber) == CS_SV_RETRY_FAIL && CS_NUMBER(errmsg->msgnumber) == 63 && CS_ORIGIN(errmsg->msgnumber) == 2 && CS_LAYER(errmsg->msgnumber) == 1) { return CS_FAIL; } return CS_SUCCEED; } static CS_RETCODE CS_PUBLIC _server_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_SERVERMSG *srvmsg) { zval *retval = NULL; zval severity, msgnumber, state, line, text; zval *ptrs[5]= {&msgnumber, &severity, &state, &line, &text}; zval **args[5]= {&ptrs[0], &ptrs[1], &ptrs[2], &ptrs[3], &ptrs[4]}; int handled= 0; TSRMLS_FETCH(); if (srvmsg->severity >= SybCtG(min_server_severity)) { if (SybCtG(callback_name) != NULL) { INIT_ZVAL(msgnumber); INIT_ZVAL(severity); INIT_ZVAL(state); INIT_ZVAL(line); INIT_ZVAL(text); ZVAL_LONG(&msgnumber, srvmsg->msgnumber); ZVAL_LONG(&severity, srvmsg->severity); ZVAL_LONG(&state, srvmsg->state); ZVAL_LONG(&line, srvmsg->line); ZVAL_STRING(&text, srvmsg->text, 0); if (call_user_function_ex(EG(function_table), NULL, SybCtG(callback_name), &retval, 5, args, 0, NULL TSRMLS_CC)== FAILURE) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot call the messagehandler %s", Z_STRVAL_P(SybCtG(callback_name))); } if (retval) { handled= ((Z_TYPE_P(retval) != IS_BOOL) || (Z_BVAL_P(retval) != 0)); zval_ptr_dtor(&retval); } } if (!handled) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Server message: %s (severity %d, procedure %s)", srvmsg->text, srvmsg->severity, ((srvmsg->proclen>0) ? srvmsg->proc : "N/A")); } } STR_FREE(SybCtG(server_message)); SybCtG(server_message) = estrdup(srvmsg->text); /* If this is a deadlock message, set the connection's deadlock flag * so we will retry the request. Sorry about the bare constant here, * but it's not defined anywhere and it's a "well-known" number. */ if (srvmsg->msgnumber == 1205) { sybase_link *sybase; if (ct_con_props(connection, CS_GET, CS_USERDATA, &sybase, CS_SIZEOF(sybase), NULL)==CS_SUCCEED) { sybase->deadlock = 1; } else { /* oh well */ } } return CS_SUCCEED; } PHP_INI_BEGIN() STD_PHP_INI_BOOLEAN("sybct.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong, allow_persistent, zend_sybase_globals, sybase_globals) STD_PHP_INI_ENTRY_EX("sybct.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_persistent, zend_sybase_globals, sybase_globals, display_link_numbers) STD_PHP_INI_ENTRY_EX("sybct.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_links, zend_sybase_globals, sybase_globals, display_link_numbers) STD_PHP_INI_ENTRY("sybct.min_server_severity", "10", PHP_INI_ALL, OnUpdateLong, min_server_severity, zend_sybase_globals, sybase_globals) STD_PHP_INI_ENTRY("sybct.min_client_severity", "10", PHP_INI_ALL, OnUpdateLong, min_client_severity, zend_sybase_globals, sybase_globals) STD_PHP_INI_ENTRY("sybct.hostname", NULL, PHP_INI_ALL, OnUpdateString, hostname, zend_sybase_globals, sybase_globals) STD_PHP_INI_ENTRY_EX("sybct.deadlock_retry_count", "-1", PHP_INI_ALL, OnUpdateLong, deadlock_retry_count, zend_sybase_globals, sybase_globals, display_link_numbers) PHP_INI_END() static void php_sybase_init_globals(zend_sybase_globals *sybase_globals) { long timeout; TSRMLS_FETCH(); if (cs_ctx_alloc(CTLIB_VERSION, &sybase_globals->context)!=CS_SUCCEED || ct_init(sybase_globals->context, CTLIB_VERSION)!=CS_SUCCEED) { return; } /* Initialize message handlers */ if (ct_callback(sybase_globals->context, NULL, CS_SET, CS_SERVERMSG_CB, (CS_VOID *)_server_message_handler)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set server message handler"); } if (ct_callback(sybase_globals->context, NULL, CS_SET, CS_CLIENTMSG_CB, (CS_VOID *)_client_message_handler)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set client message handler"); } /* Set datetime conversion format to "Nov 3 1998 8:06PM". * This is the default format for the ct-lib that comes with * Sybase ASE 11.5.1 for Solaris, but the Linux libraries that * come with 11.0.3.3 default to "03/11/98" which is singularly * useless. This levels the playing field for all platforms. */ { CS_INT dt_convfmt = CS_DATES_SHORT; if (cs_dt_info(sybase_globals->context, CS_SET, NULL, CS_DT_CONVFMT, CS_UNUSED, &dt_convfmt, sizeof(dt_convfmt), NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set datetime conversion format"); } } /* Set the login and command timeouts. These are per-context and * can't be set with ct_con_props(), so set them globally from * their config values if requested. The defaults are 1 minute * for CS_LOGIN_TIMEOUT and CS_NO_LIMIT for CS_TIMEOUT. The latter * especially is fairly useless for web applications. * Note that depite some noise in the documentation about using * signals to implement timeouts, they are actually implemented * by using poll() or select() on Solaris and Linux. */ if (cfg_get_long("sybct.login_timeout", &timeout)==SUCCESS) { CS_INT cs_login_timeout = timeout; if (ct_config(sybase_globals->context, CS_SET, CS_LOGIN_TIMEOUT, &cs_login_timeout, CS_UNUSED, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set login timeout"); } } if (cfg_get_long("sybct.timeout", &timeout)==SUCCESS) { CS_INT cs_timeout = timeout; if (ct_config(sybase_globals->context, CS_SET, CS_TIMEOUT, &cs_timeout, CS_UNUSED, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set timeout"); } } sybase_globals->num_persistent=0; sybase_globals->callback_name = NULL; } static void php_sybase_destroy_globals(zend_sybase_globals *sybase_globals) { ct_exit(sybase_globals->context, CS_UNUSED); cs_ctx_drop(sybase_globals->context); } PHP_MINIT_FUNCTION(sybase) { ZEND_INIT_MODULE_GLOBALS(sybase, php_sybase_init_globals, php_sybase_destroy_globals); REGISTER_INI_ENTRIES(); le_link = zend_register_list_destructors_ex(_close_sybase_link, NULL, "sybase-ct link", module_number); le_plink = zend_register_list_destructors_ex(NULL, _close_sybase_plink, "sybase-ct link persistent", module_number); le_result = zend_register_list_destructors_ex(php_free_sybase_result, NULL, "sybase-ct result", module_number); return SUCCESS; } PHP_RINIT_FUNCTION(sybase) { SybCtG(default_link)=-1; SybCtG(num_links) = SybCtG(num_persistent); SybCtG(appname) = estrndup("PHP 4.0", 7); SybCtG(server_message) = empty_string; return SUCCESS; } PHP_MSHUTDOWN_FUNCTION(sybase) { UNREGISTER_INI_ENTRIES(); #if 0 ct_exit(context, CS_UNUSED); cs_ctx_drop(context); #endif return SUCCESS; } PHP_RSHUTDOWN_FUNCTION(sybase) { efree(SybCtG(appname)); if (SybCtG(callback_name)) { zval_ptr_dtor(&SybCtG(callback_name)); SybCtG(callback_name)= NULL; } STR_FREE(SybCtG(server_message)); return SUCCESS; } static int php_sybase_do_connect_internal(sybase_link *sybase, char *host, char *user, char *passwd, char *charset, char *appname) { CS_LOCALE *tmp_locale; TSRMLS_FETCH(); /* set a CS_CONNECTION record */ if (ct_con_alloc(SybCtG(context), &sybase->connection)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate connection record"); return 0; } /* Note - this saves a copy of sybase, not a pointer to it. */ if (ct_con_props(sybase->connection, CS_SET, CS_USERDATA, &sybase, CS_SIZEOF(sybase), NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set userdata"); ct_con_drop(sybase->connection); return 0; } if (user) { ct_con_props(sybase->connection, CS_SET, CS_USERNAME, user, CS_NULLTERM, NULL); } if (passwd) { ct_con_props(sybase->connection, CS_SET, CS_PASSWORD, passwd, CS_NULLTERM, NULL); } if (appname) { ct_con_props(sybase->connection, CS_SET, CS_APPNAME, appname, CS_NULLTERM, NULL); } else { ct_con_props(sybase->connection, CS_SET, CS_APPNAME, SybCtG(appname), CS_NULLTERM, NULL); } if (SybCtG(hostname)) { ct_con_props(sybase->connection, CS_SET, CS_HOSTNAME, SybCtG(hostname), CS_NULLTERM, NULL); } if (charset) { if (cs_loc_alloc(SybCtG(context), &tmp_locale)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate locale information."); } else { if (cs_locale(SybCtG(context), CS_SET, tmp_locale, CS_LC_ALL, NULL, CS_NULLTERM, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to load default locale data."); } else { if (cs_locale(SybCtG(context), CS_SET, tmp_locale, CS_SYB_CHARSET, charset, CS_NULLTERM, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update character set."); } else { if (ct_con_props(sybase->connection, CS_SET, CS_LOC_PROP, tmp_locale, CS_UNUSED, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update connection properties."); } } } } } sybase->valid = 1; sybase->dead = 0; sybase->active_result_index = 0; /* create the link */ if (ct_connect(sybase->connection, host, CS_NULLTERM)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to connect"); ct_con_drop(sybase->connection); return 0; } if (ct_cmd_alloc(sybase->connection, &sybase->cmd)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate command record"); ct_close(sybase->connection, CS_UNUSED); ct_con_drop(sybase->connection); return 0; } return 1; } static void php_sybase_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent) { char *user, *passwd, *host, *charset, *appname; char *hashed_details; int hashed_details_length; sybase_link *sybase_ptr; switch(ZEND_NUM_ARGS()) { case 0: /* defaults */ host=user=passwd=charset=appname=NULL; hashed_details_length=6+5; hashed_details = (char *) emalloc(hashed_details_length+1); strcpy(hashed_details, "sybase_____"); break; case 1: { zval **yyhost; if (zend_get_parameters_ex(1, &yyhost) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(yyhost); host = Z_STRVAL_PP(yyhost); user=passwd=charset=appname=NULL; hashed_details_length = Z_STRLEN_PP(yyhost)+6+5; hashed_details = (char *) emalloc(hashed_details_length+1); sprintf(hashed_details, "sybase_%s____", Z_STRVAL_PP(yyhost)); } break; case 2: { zval **yyhost, **yyuser; if (zend_get_parameters_ex(2, &yyhost, &yyuser) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(yyhost); convert_to_string_ex(yyuser); host = Z_STRVAL_PP(yyhost); user = Z_STRVAL_PP(yyuser); passwd=charset=appname=NULL; hashed_details_length = Z_STRLEN_PP(yyhost)+Z_STRLEN_PP(yyuser)+6+5; hashed_details = (char *) emalloc(hashed_details_length+1); sprintf(hashed_details, "sybase_%s_%s___", Z_STRVAL_PP(yyhost), Z_STRVAL_PP(yyuser)); } break; case 3: { zval **yyhost, **yyuser, **yypasswd; if (zend_get_parameters_ex(3, &yyhost, &yyuser, &yypasswd) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(yyhost); convert_to_string_ex(yyuser); convert_to_string_ex(yypasswd); host = Z_STRVAL_PP(yyhost); user = Z_STRVAL_PP(yyuser); passwd = Z_STRVAL_PP(yypasswd); charset=appname=NULL; hashed_details_length = Z_STRLEN_PP(yyhost)+Z_STRLEN_PP(yyuser)+Z_STRLEN_PP(yypasswd)+6+5; hashed_details = (char *) emalloc(hashed_details_length+1); sprintf(hashed_details, "sybase_%s_%s_%s__", Z_STRVAL_PP(yyhost), Z_STRVAL_PP(yyuser), Z_STRVAL_PP(yypasswd)); } break; case 4: { zval **yyhost, **yyuser, **yypasswd, **yycharset; if (zend_get_parameters_ex(4, &yyhost, &yyuser, &yypasswd, &yycharset) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(yyhost); convert_to_string_ex(yyuser); convert_to_string_ex(yypasswd); convert_to_string_ex(yycharset); host = Z_STRVAL_PP(yyhost); user = Z_STRVAL_PP(yyuser); passwd = Z_STRVAL_PP(yypasswd); charset = Z_STRVAL_PP(yycharset); appname=NULL; hashed_details_length = Z_STRLEN_PP(yyhost)+Z_STRLEN_PP(yyuser)+Z_STRLEN_PP(yypasswd)+Z_STRLEN_PP(yycharset)+6+5; hashed_details = (char *) emalloc(hashed_details_length+1); sprintf(hashed_details, "sybase_%s_%s_%s_%s_", Z_STRVAL_PP(yyhost), Z_STRVAL_PP(yyuser), Z_STRVAL_PP(yypasswd), Z_STRVAL_PP(yycharset)); } break; case 5: { zval **yyhost, **yyuser, **yypasswd, **yycharset, **yyappname; if (zend_get_parameters_ex(5, &yyhost, &yyuser, &yypasswd, &yycharset, &yyappname) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(yyhost); convert_to_string_ex(yyuser); convert_to_string_ex(yypasswd); convert_to_string_ex(yycharset); convert_to_string_ex(yyappname); host = Z_STRVAL_PP(yyhost); user = Z_STRVAL_PP(yyuser); passwd = Z_STRVAL_PP(yypasswd); charset = Z_STRVAL_PP(yycharset); appname = Z_STRVAL_PP(yyappname); hashed_details_length = Z_STRLEN_PP(yyhost)+Z_STRLEN_PP(yyuser)+Z_STRLEN_PP(yypasswd)+Z_STRLEN_PP(yycharset)+Z_STRLEN_PP(yyappname)+6+5; hashed_details = (char *) emalloc(hashed_details_length+1); sprintf(hashed_details, "sybase_%s_%s_%s_%s_%s", Z_STRVAL_PP(yyhost), Z_STRVAL_PP(yyuser), Z_STRVAL_PP(yypasswd), Z_STRVAL_PP(yycharset), Z_STRVAL_PP(yyappname)); } break; default: WRONG_PARAM_COUNT; break; } if (!SybCtG(allow_persistent)) { persistent=0; } if (persistent) { list_entry *le; /* try to find if we already have this link in our persistent list */ if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* we don't */ list_entry new_le; if (SybCtG(max_links)!=-1 && SybCtG(num_links)>=SybCtG(max_links)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open links (%d)", SybCtG(num_links)); efree(hashed_details); RETURN_FALSE; } if (SybCtG(max_persistent)!=-1 && SybCtG(num_persistent)>=SybCtG(max_persistent)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open persistent links (%d)", SybCtG(num_persistent)); efree(hashed_details); RETURN_FALSE; } sybase_ptr = (sybase_link *) malloc(sizeof(sybase_link)); if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname)) { free(sybase_ptr); efree(hashed_details); RETURN_FALSE; } /* hash it up */ Z_TYPE(new_le) = le_plink; new_le.ptr = sybase_ptr; if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(list_entry), NULL)==FAILURE) { ct_close(sybase_ptr->connection, CS_UNUSED); ct_con_drop(sybase_ptr->connection); free(sybase_ptr); efree(hashed_details); RETURN_FALSE; } SybCtG(num_persistent)++; SybCtG(num_links)++; } else { /* we do */ CS_INT con_status; if (Z_TYPE_P(le) != le_plink) { efree(hashed_details); RETURN_FALSE; } sybase_ptr = (sybase_link *) le->ptr; /* If the link has died, close it and overwrite it with a new one. */ if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS, &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status"); efree(hashed_details); RETURN_FALSE; } if (!(con_status & CS_CONSTAT_CONNECTED) || (con_status & CS_CONSTAT_DEAD) || sybase_ptr->dead) { sybase_link sybase; if (con_status & CS_CONSTAT_CONNECTED) { ct_close(sybase_ptr->connection, CS_FORCE_CLOSE); } /* Create a new connection, then replace the old * connection. If we fail to create a new connection, * put the old one back so there will be a connection, * even if it is a non-functional one. This is because * code may still be holding an id for this connection * so we can't free the CS_CONNECTION. * (This is actually totally hokey, it would be better * to just ct_con_drop() the connection and set * sybase_ptr->connection to NULL, then test it for * NULL before trying to use it elsewhere . . .) */ memcpy(&sybase, sybase_ptr, sizeof(sybase_link)); if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname)) { memcpy(sybase_ptr, &sybase, sizeof(sybase_link)); efree(hashed_details); RETURN_FALSE; } ct_con_drop(sybase.connection); /* drop old connection */ } } ZEND_REGISTER_RESOURCE(return_value, sybase_ptr, le_plink); } else { /* non persistent */ list_entry *index_ptr, new_index_ptr; /* first we check the hash for the hashed_details key. if it exists, * it should point us to the right offset where the actual sybase link sits. * if it doesn't, open a new sybase link, add it to the resource list, * and add a pointer to it with hashed_details as the key. */ if (zend_hash_find(&EG(regular_list), hashed_details, hashed_details_length+1, (void **) &index_ptr)==SUCCESS) { int type, link; void *ptr; if (Z_TYPE_P(index_ptr) != le_index_ptr) { efree(hashed_details); RETURN_FALSE; } link = (int) index_ptr->ptr; ptr = zend_list_find(link, &type); /* check if the link is still there */ if (ptr && (type==le_link || type==le_plink)) { zend_list_addref(link); Z_LVAL_P(return_value) = SybCtG(default_link) = link; Z_TYPE_P(return_value) = IS_RESOURCE; efree(hashed_details); return; } else { zend_hash_del(&EG(regular_list), hashed_details, hashed_details_length+1); } } if (SybCtG(max_links)!=-1 && SybCtG(num_links)>=SybCtG(max_links)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open links (%d)", SybCtG(num_links)); efree(hashed_details); RETURN_FALSE; } sybase_ptr = (sybase_link *) emalloc(sizeof(sybase_link)); if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname)) { efree(sybase_ptr); efree(hashed_details); RETURN_FALSE; } /* add it to the list */ ZEND_REGISTER_RESOURCE(return_value, sybase_ptr, le_link); /* add it to the hash */ new_index_ptr.ptr = (void *) Z_LVAL_P(return_value); Z_TYPE(new_index_ptr) = le_index_ptr; if (zend_hash_update(&EG(regular_list), hashed_details, hashed_details_length+1, (void *) &new_index_ptr, sizeof(list_entry), NULL)==FAILURE) { ct_close(sybase_ptr->connection, CS_UNUSED); ct_con_drop(sybase_ptr->connection); efree(sybase_ptr); efree(hashed_details); RETURN_FALSE; } SybCtG(num_links)++; } efree(hashed_details); SybCtG(default_link)=Z_LVAL_P(return_value); zend_list_addref(SybCtG(default_link)); } static int php_sybase_get_default_link(INTERNAL_FUNCTION_PARAMETERS) { if (SybCtG(default_link)==-1) { /* no link opened yet, implicitly open one */ ht = 0; php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } return SybCtG(default_link); } /* {{{ proto int sybase_connect([string host [, string user [, string password [, string charset [, string appname]]]]]) Open Sybase server connection */ PHP_FUNCTION(sybase_connect) { php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } /* }}} */ /* {{{ proto int sybase_pconnect([string host [, string user [, string password [, string charset [, string appname]]]]]) Open persistent Sybase connection */ PHP_FUNCTION(sybase_pconnect) { php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); } /* }}} */ /* {{{ proto bool sybase_close([int link_id]) Close Sybase connection */ PHP_FUNCTION(sybase_close) { zval **sybase_link_index = 0; int id; sybase_link *sybase_ptr; switch (ZEND_NUM_ARGS()) { case 0: id = SybCtG(default_link); break; case 1: if (zend_get_parameters_ex(1, &sybase_link_index) == FAILURE) { RETURN_FALSE; } id = -1; break; default: WRONG_PARAM_COUNT; break; } ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, sybase_link_index, id, "Sybase-Link", le_link, le_plink); if (id == -1) { /* explicit resource number */ zend_list_delete(Z_RESVAL_PP(sybase_link_index)); } if (id != -1 || (sybase_link_index && Z_RESVAL_PP(sybase_link_index)==SybCtG(default_link))) { zend_list_delete(SybCtG(default_link)); SybCtG(default_link) = -1; } RETURN_TRUE; } /* }}} */ static int exec_cmd(sybase_link *sybase_ptr, char *cmdbuf) { CS_RETCODE retcode; CS_INT restype; int failure=0; /* Fail if we already marked this connection dead. */ if (sybase_ptr->dead) { return FAILURE; } /* ** Get a command handle, store the command string in it, and ** send it to the server. */ if (ct_command(sybase_ptr->cmd, CS_LANG_CMD, cmdbuf, CS_NULLTERM, CS_UNUSED)!=CS_SUCCEED) { sybase_ptr->dead = 1; return FAILURE; } if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) { sybase_ptr->dead = 1; return FAILURE; } while ((retcode = ct_results(sybase_ptr->cmd, &restype))==CS_SUCCEED) { switch ((int) restype) { case CS_CMD_SUCCEED: case CS_CMD_DONE: break; case CS_CMD_FAIL: failure=1; break; case CS_STATUS_RESULT: ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT); break; default: failure=1; break; } if (failure) { ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); return FAILURE; } } switch (retcode) { case CS_END_RESULTS: return SUCCESS; break; case CS_FAIL: /* Hopefully this either cleans up the connection, or the * connection ends up marked dead so it will be reopened * if it is persistent. We may want to do * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the * doc for ct_results()==CS_FAIL. */ ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); /* Don't take chances with the vagaries of ct-lib. Mark it * dead ourselves. */ sybase_ptr->dead = 1; return FAILURE; default: return FAILURE; } } /* {{{ proto bool sybase_select_db(string database [, int link_id]) Select Sybase database */ PHP_FUNCTION(sybase_select_db) { zval **db, **sybase_link_index; int id; char *cmdbuf; sybase_link *sybase_ptr; switch(ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &db) == FAILURE) { RETURN_FALSE; } id = php_sybase_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU); CHECK_LINK(id); break; case 2: if (zend_get_parameters_ex(2, &db, &sybase_link_index) == FAILURE) { RETURN_FALSE; } id = -1; break; default: WRONG_PARAM_COUNT; break; } ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, sybase_link_index, id, "Sybase-Link", le_link, le_plink); convert_to_string_ex(db); cmdbuf = (char *) emalloc(sizeof("use ")+Z_STRLEN_PP(db)+1); sprintf(cmdbuf, "use %s", Z_STRVAL_PP(db)); /* SAFE */ if (exec_cmd(sybase_ptr, cmdbuf)==FAILURE) { efree(cmdbuf); RETURN_FALSE; } else { efree(cmdbuf); RETURN_TRUE; } } /* }}} */ static void php_sybase_finish_results (sybase_result *result) { int i; CS_RETCODE retcode; CS_INT restype; TSRMLS_FETCH(); efree(result->datafmt); efree(result->lengths); efree(result->indicators); efree(result->numerics); efree(result->types); for (i=0; inum_fields; i++) { efree(result->tmp_buffer[i]); } efree(result->tmp_buffer); /* Indicate we have read all rows */ result->sybase_ptr->active_result_index= 0; /* The only restype we should get now is CS_CMD_DONE, possibly * followed by a CS_STATUS_RESULT/CS_CMD_SUCCEED/CS_CMD_DONE * sequence if the command was a stored procedure call. But we * still need to read and discard unexpected results. We might * want to return a failure in this case because the application * won't be getting all the results it asked for. */ while ((retcode = ct_results(result->sybase_ptr->cmd, &restype))==CS_SUCCEED) { switch ((int) restype) { case CS_CMD_SUCCEED: case CS_CMD_DONE: break; case CS_CMD_FAIL: _free_sybase_result(result); result = NULL; break; case CS_COMPUTE_RESULT: case CS_CURSOR_RESULT: case CS_PARAM_RESULT: case CS_ROW_RESULT: /* Unexpected results, cancel them. */ case CS_STATUS_RESULT: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Unexpected results, cancelling current"); ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_CURRENT); break; default: php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Unexpected results, cancelling all"); ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); break; } } switch (retcode) { case CS_END_RESULTS: /* Normal. */ break; case CS_FAIL: /* Hopefully this either cleans up the connection, or the * connection ends up marked dead so it will be reopened * if it is persistent. We may want to do * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the * doc for ct_results()==CS_FAIL. */ ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); /* Don't take chances with the vagaries of ct-lib. Mark it * dead ourselves. */ result->sybase_ptr->dead = 1; case CS_CANCELED: default: _free_sybase_result(result); result = NULL; break; } } static int php_sybase_fetch_result_row (sybase_result *result, int numrows) { int i, j; CS_INT retcode; /* We've already fetched everything */ if (result->last_retcode == CS_END_DATA) { return CS_END_DATA; } if (numrows!=-1) numrows+= result->num_rows; while ((retcode=ct_fetch(result->sybase_ptr->cmd, CS_UNUSED, CS_UNUSED, CS_UNUSED, NULL))==CS_SUCCEED || retcode==CS_ROW_FAIL) { /* if (retcode==CS_ROW_FAIL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Error reading row %d", result->num_rows); } */ /* i= result->num_rows++; */ result->num_rows++; i= result->store ? result->num_rows- 1 : 0; if (i >= result->blocks_initialized*SYBASE_ROWS_BLOCK) { result->data = (zval **) erealloc(result->data, sizeof(zval *)*SYBASE_ROWS_BLOCK*(++result->blocks_initialized)); } if (result->store || 1 == result->num_rows) { result->data[i] = (zval *) emalloc(sizeof(zval)*result->num_fields); } for (j=0; jnum_fields; j++) { if (result->indicators[j] == -1) { /* null value */ ZVAL_NULL(&result->data[i][j]); } else { Z_STRLEN(result->data[i][j]) = result->lengths[j]-1; /* we don't need the NULL in the length */ Z_STRVAL(result->data[i][j]) = estrndup(result->tmp_buffer[j], result->lengths[j]); Z_TYPE(result->data[i][j]) = IS_STRING; switch (result->numerics[j]) { case 1: convert_to_long(&result->data[i][j]); break; case 2: convert_to_double(&result->data[i][j]); break; } } } if (numrows!=-1 && result->num_rows>=numrows) break; } result->last_retcode= retcode; switch (retcode) { case CS_END_DATA: php_sybase_finish_results(result); break; case CS_ROW_FAIL: case CS_SUCCEED: break; default: _free_sybase_result(result); result = NULL; break; } return retcode; } static sybase_result * php_sybase_fetch_result_set (sybase_link *sybase_ptr, int buffered, int store) { int num_fields; sybase_result *result; int i, j; CS_INT retcode; /* The following (if unbuffered) is more or less the equivalent of mysql_store_result(). * fetch all rows from the server into the row buffer, thus: * 1) Being able to fire up another query without explicitly reading all rows * 2) Having numrows accessible */ if (ct_res_info(sybase_ptr->cmd, CS_NUMDATA, &num_fields, CS_UNUSED, NULL)!=CS_SUCCEED) { return NULL; } result = (sybase_result *) emalloc(sizeof(sybase_result)); result->data = (zval **) emalloc(sizeof(zval *)*SYBASE_ROWS_BLOCK); result->fields = NULL; result->sybase_ptr = sybase_ptr; result->cur_field=result->cur_row=result->num_rows=0; result->num_fields = num_fields; result->last_retcode = 0; result->store= store; result->blocks_initialized= 1; result->tmp_buffer = (char **) emalloc(sizeof(char *)*num_fields); result->lengths = (CS_INT *) emalloc(sizeof(CS_INT)*num_fields); result->indicators = (CS_SMALLINT *) emalloc(sizeof(CS_INT)*num_fields); result->datafmt = (CS_DATAFMT *) emalloc(sizeof(CS_DATAFMT)*num_fields); result->numerics = (unsigned char *) emalloc(sizeof(unsigned char)*num_fields); result->types = (CS_INT *) emalloc(sizeof(CS_INT)*num_fields); for (i=0; icmd, i+1, &result->datafmt[i]); result->types[i] = result->datafmt[i].datatype; switch (result->datafmt[i].datatype) { case CS_CHAR_TYPE: case CS_VARCHAR_TYPE: case CS_TEXT_TYPE: case CS_IMAGE_TYPE: result->datafmt[i].maxlength++; result->numerics[i] = 0; break; case CS_BINARY_TYPE: case CS_VARBINARY_TYPE: result->datafmt[i].maxlength *= 2; result->datafmt[i].maxlength++; result->numerics[i] = 0; break; case CS_BIT_TYPE: case CS_TINYINT_TYPE: result->datafmt[i].maxlength = 4; result->numerics[i] = 1; break; case CS_SMALLINT_TYPE: result->datafmt[i].maxlength = 7; result->numerics[i] = 1; break; case CS_INT_TYPE: result->datafmt[i].maxlength = 12; result->numerics[i] = 1; break; case CS_REAL_TYPE: case CS_FLOAT_TYPE: result->datafmt[i].maxlength = 24; result->numerics[i] = 2; break; case CS_MONEY_TYPE: case CS_MONEY4_TYPE: result->datafmt[i].maxlength = 24; result->numerics[i] = 2; break; case CS_DATETIME_TYPE: case CS_DATETIME4_TYPE: result->datafmt[i].maxlength = 30; result->numerics[i] = 0; break; case CS_NUMERIC_TYPE: case CS_DECIMAL_TYPE: result->datafmt[i].maxlength = result->datafmt[i].precision + 3; /* numeric(10) vs numeric(10, 1) */ result->numerics[i] = (result->datafmt[i].scale == 0 && result->datafmt[i].precision <= 10) ? 1 : 2; break; default: result->datafmt[i].maxlength++; result->numerics[i] = 0; break; } result->tmp_buffer[i] = (char *)emalloc(result->datafmt[i].maxlength); result->datafmt[i].datatype = CS_CHAR_TYPE; result->datafmt[i].format = CS_FMT_NULLTERM; ct_bind(sybase_ptr->cmd, i+1, &result->datafmt[i], result->tmp_buffer[i], &result->lengths[i], &result->indicators[i]); } result->fields = (sybase_field *) emalloc(sizeof(sybase_field)*num_fields); j=0; for (i=0; idatafmt[i].namelen>0) { result->fields[i].name = estrndup(result->datafmt[i].name, result->datafmt[i].namelen); } else { if (j>0) { snprintf(computed_buf, 16, "computed%d", j); } else { strcpy(computed_buf, "computed"); } result->fields[i].name = estrdup(computed_buf); j++; } result->fields[i].column_source = empty_string; result->fields[i].max_length = result->datafmt[i].maxlength-1; result->fields[i].numeric = result->numerics[i]; Z_TYPE(result->fields[i]) = result->types[i]; } retcode= php_sybase_fetch_result_row(result, buffered ? 1 : -1); return result; } static void php_sybase_query (INTERNAL_FUNCTION_PARAMETERS, int buffered) { zval **query, **sybase_link_index=NULL; zval **store_mode= NULL; int id, deadlock_count, store; sybase_link *sybase_ptr; sybase_result *result; CS_INT restype; CS_RETCODE retcode; enum { Q_RESULT, /* Success with results. */ Q_SUCCESS, /* Success but no results. */ Q_FAILURE, /* Failure, no results. */ } status; store= 1; switch(ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &query)==FAILURE) { RETURN_FALSE; } id = SybCtG(default_link); break; case 2: if (zend_get_parameters_ex(2, &query, &sybase_link_index)==FAILURE) { RETURN_FALSE; } id = -1; break; case 3: if (zend_get_parameters_ex(3, &query, &sybase_link_index, &store_mode)==FAILURE) { RETURN_FALSE; } id = -1; convert_to_long_ex(store_mode); store= (Z_LVAL_PP(store_mode) != 0); break; default: WRONG_PARAM_COUNT; break; } ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, sybase_link_index, id, "Sybase-Link", le_link, le_plink); convert_to_string_ex(query); /* Fail if we already marked this connection dead. */ if (sybase_ptr->dead) { RETURN_FALSE; } /* Check to see if a previous sybase_unbuffered_query has read all rows */ if (sybase_ptr->active_result_index) { zval *tmp = NULL; php_error_docref(NULL TSRMLS_CC, E_NOTICE, "called without first fetching all rows from a previous unbuffered query"); if (sybase_ptr->cmd) { ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); } /* Get the resultset and free it */ ALLOC_ZVAL(tmp); Z_LVAL_P(tmp)= sybase_ptr->active_result_index; Z_TYPE_P(tmp)= IS_RESOURCE; INIT_PZVAL(tmp); ZEND_FETCH_RESOURCE(result, sybase_result *, &tmp, -1, "Sybase result", le_result); /* Causes the following segfault: Program received signal SIGSEGV, Segmentation fault. 0x8144380 in _efree (ptr=0x81fe024, __zend_filename=0x81841a0 "php4/ext/sybase_ct/php_sybase_ct.c", __zend_lineno=946, __zend_orig_filename=0x0, __zend_orig_lineno=0) at php4/Zend/zend_alloc.c:229 php4/Zend/zend_alloc.c:229:7284:beg:0x8144380 */ #if O_TIMM if (result) { php_sybase_finish_results(result); } #endif zval_ptr_dtor(&tmp); zend_list_delete(sybase_ptr->active_result_index); sybase_ptr->active_result_index= 0; } /* Repeat until we don't deadlock. */ deadlock_count= 0; for (;;) { result = NULL; sybase_ptr->deadlock = 0; sybase_ptr->affected_rows = 0; /* On Solaris 11.5, ct_command() can be moved outside the * loop, but not on Linux 11.0. */ if (ct_command(sybase_ptr->cmd, CS_LANG_CMD, Z_STRVAL_PP(query), CS_NULLTERM, CS_UNUSED)!=CS_SUCCEED) { /* If this didn't work, the connection is screwed but * ct-lib might not set CS_CONSTAT_DEAD. So set our own * flag. This happens sometimes when the database is restarted * and/or its machine is rebooted, and ct_command() returns * CS_BUSY for some reason. */ sybase_ptr->dead = 1; php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Connection is dead"); RETURN_FALSE; } if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) { ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); sybase_ptr->dead = 1; php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot send command"); RETURN_FALSE; } /* Use the first result set or succeed/fail status and discard the * others. Applications really shouldn't be making calls that * return multiple result sets, but if they do then we need to * properly read or cancel them or the connection will become * unusable. */ if (ct_results(sybase_ptr->cmd, &restype)!=CS_SUCCEED) { ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); sybase_ptr->dead = 1; php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot read results"); RETURN_FALSE; } switch ((int) restype) { case CS_CMD_FAIL: default: status = Q_FAILURE; break; case CS_CMD_SUCCEED: case CS_CMD_DONE: { CS_INT row_count; if (ct_res_info(sybase_ptr->cmd, CS_ROW_COUNT, &row_count, CS_UNUSED, NULL)==CS_SUCCEED) { sybase_ptr->affected_rows = (long)row_count; } } /* Fall through */ case CS_COMPUTEFMT_RESULT: case CS_ROWFMT_RESULT: case CS_DESCRIBE_RESULT: case CS_MSG_RESULT: buffered= 0; /* These queries have no need for buffering */ status = Q_SUCCESS; break; case CS_COMPUTE_RESULT: case CS_CURSOR_RESULT: case CS_PARAM_RESULT: case CS_ROW_RESULT: case CS_STATUS_RESULT: result = php_sybase_fetch_result_set(sybase_ptr, buffered, store); if (result == NULL) { ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); sybase_ptr->dead = 1; RETURN_FALSE; } status = Q_RESULT; break; } /* Check for left-over results */ if (!buffered && status != Q_RESULT) { while ((retcode = ct_results(sybase_ptr->cmd, &restype))==CS_SUCCEED) { switch ((int) restype) { case CS_CMD_SUCCEED: case CS_CMD_DONE: break; case CS_CMD_FAIL: status = Q_FAILURE; break; case CS_COMPUTE_RESULT: case CS_CURSOR_RESULT: case CS_PARAM_RESULT: case CS_ROW_RESULT: /* Unexpected results, cancel them. */ case CS_STATUS_RESULT: ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT); break; default: status = Q_FAILURE; break; } if (status == Q_FAILURE) { ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); } } switch (retcode) { case CS_END_RESULTS: /* Normal. */ break; case CS_FAIL: /* Hopefully this either cleans up the connection, or the * connection ends up marked dead so it will be reopened * if it is persistent. We may want to do * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the * doc for ct_results()==CS_FAIL. */ ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL); /* Don't take chances with the vagaries of ct-lib. Mark it * dead ourselves. */ sybase_ptr->dead = 1; case CS_CANCELED: default: status = Q_FAILURE; break; } } /* Retry deadlocks up until deadlock_retry_count times */ if (sybase_ptr->deadlock && SybCtG(deadlock_retry_count) != -1 && ++deadlock_count > SybCtG(deadlock_retry_count)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Retried deadlock %d times [max: %d], giving up\n", deadlock_count- 1, SybCtG(deadlock_retry_count)); if (result != NULL) { _free_sybase_result(result); } break; } /* If query completed without deadlock, break out of the loop. * Sometimes deadlock results in failures and sometimes not, * it seems to depend on the server flavor. But we want to * retry all deadlocks. */ if (sybase_ptr->dead || sybase_ptr->deadlock == 0) { break; } /* Get rid of any results we may have fetched. This happens: * e.g., our result set may be a stored procedure status which * is returned even if the stored procedure deadlocks. As an * optimization, we could try not to fetch results in known * deadlock conditions, but deadlock is (should be) rare. */ if (result != NULL) { _free_sybase_result(result); } } if (status == Q_SUCCESS) { RETURN_TRUE; } if (status == Q_FAILURE) { if (result != NULL) { _free_sybase_result(result); } RETURN_FALSE; } /* Indicate we have data in case of buffered queries */ id= ZEND_REGISTER_RESOURCE(return_value, result, le_result); sybase_ptr->active_result_index= buffered ? id : 0; } /* {{{ proto int sybase_query(string query [, int link_id]) Send Sybase query */ PHP_FUNCTION(sybase_query) { php_sybase_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } /* }}} */ /* {{{ proto int sybase_unbuffered_query(string query [, int link_id]) Send Sybase query */ PHP_FUNCTION(sybase_unbuffered_query) { php_sybase_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); } /* {{{ proto bool sybase_free_result(int result) Free result memory */ PHP_FUNCTION(sybase_free_result) { zval **sybase_result_index; sybase_result *result; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &sybase_result_index) == FAILURE) { WRONG_PARAM_COUNT; } if (Z_TYPE_PP(sybase_result_index) == IS_RESOURCE && Z_LVAL_PP(sybase_result_index) == 0) { RETURN_FALSE; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); /* Did we fetch up until the end? */ if (result->last_retcode != CS_END_DATA) { /* php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cancelling the rest of the results\n"); */ ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL); php_sybase_finish_results(result); } zend_list_delete(Z_LVAL_PP(sybase_result_index)); RETURN_TRUE; } /* }}} */ /* {{{ proto string sybase_get_last_message(void) Returns the last message from server (over min_message_severity) */ PHP_FUNCTION(sybase_get_last_message) { RETURN_STRING(SybCtG(server_message), 1); } /* }}} */ /* {{{ proto int sybase_num_rows(int result) Get number of rows in result */ PHP_FUNCTION(sybase_num_rows) { zval **sybase_result_index; sybase_result *result; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &sybase_result_index) == FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); Z_LVAL_P(return_value) = result->num_rows; Z_TYPE_P(return_value) = IS_LONG; } /* }}} */ /* {{{ proto int sybase_num_fields(int result) Get number of fields in result */ PHP_FUNCTION(sybase_num_fields) { zval **sybase_result_index; sybase_result *result; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &sybase_result_index) == FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); Z_LVAL_P(return_value) = result->num_fields; Z_TYPE_P(return_value) = IS_LONG; } /* }}} */ /* {{{ proto array sybase_fetch_row(int result) Get row as enumerated array */ PHP_FUNCTION(sybase_fetch_row) { zval **sybase_result_index; int i; sybase_result *result; zval *field_content; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &sybase_result_index) == FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); /* Unbuffered? */ if (result->last_retcode != CS_END_DATA) { php_sybase_fetch_result_row(result, 1); } /* At the end? */ if (result->cur_row >= result->num_rows) { RETURN_FALSE; } array_init(return_value); for (i=0; inum_fields; i++) { ALLOC_ZVAL(field_content); *field_content = result->data[result->store ? result->cur_row : 0][i]; INIT_PZVAL(field_content); zval_copy_ctor(field_content); zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &field_content, sizeof(zval* ), NULL); } result->cur_row++; } /* }}} */ static void php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int numerics) { zval **sybase_result_index; sybase_result *result; int i, j; zval *tmp; char name[32]; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &sybase_result_index) == FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); /* Unbuffered ? Fetch next row */ if (result->last_retcode != CS_END_DATA) { php_sybase_fetch_result_row(result, 1); } /* At the end? */ if (result->cur_row >= result->num_rows) { RETURN_FALSE; } array_init(return_value); j= 1; for (i=0; inum_fields; i++) { ALLOC_ZVAL(tmp); *tmp = result->data[result->store ? result->cur_row : 0][i]; INIT_PZVAL(tmp); if (PG(magic_quotes_runtime) && Z_TYPE_P(tmp) == IS_STRING) { Z_STRVAL_P(tmp) = php_addslashes(Z_STRVAL_P(tmp), Z_STRLEN_P(tmp), &Z_STRLEN_P(tmp), 0 TSRMLS_CC); } else { zval_copy_ctor(tmp); } if (numerics) { zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &tmp, sizeof(zval *), NULL); tmp->refcount++; } if (zend_hash_exists(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1)) { snprintf(name, 32, "%s%d", result->fields[i].name, j); result->fields[i].name= estrdup(name); j++; } zend_hash_update(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1, (void *) &tmp, sizeof(zval *), NULL); } result->cur_row++; } /* {{{ proto object sybase_fetch_object(int result [, mixed object]) Fetch row as object */ PHP_FUNCTION(sybase_fetch_object) { zval **object= NULL; zval *sybase_result_index; zend_class_entry *ce= NULL; /* Was a second parameter given? */ if (2 == ZEND_NUM_ARGS()) { if (zend_get_parameters_ex(2, &sybase_result_index, &object) == FAILURE) { WRONG_PARAM_COUNT; } switch (Z_TYPE_PP(object)) { case IS_OBJECT: ce= Z_OBJCE_PP(object); break; default: convert_to_string_ex(object); zend_str_tolower(Z_STRVAL_PP(object), Z_STRLEN_PP(object)); zend_hash_find(EG(class_table), Z_STRVAL_PP(object), Z_STRLEN_PP(object)+1, (void **)&ce); if (!ce) { php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Class %s has not been declared", Z_STRVAL_PP(object)); ce= ZEND_STANDARD_CLASS_DEF_PTR; } } ht= 1; } php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); if (Z_TYPE_P(return_value)==IS_ARRAY) { object_and_properties_init( return_value, object ? ce : ZEND_STANDARD_CLASS_DEF_PTR, Z_ARRVAL_P(return_value) ); } } /* }}} */ /* {{{ proto array sybase_fetch_array(int result) Fetch row as array */ PHP_FUNCTION(sybase_fetch_array) { php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1); } /* }}} */ /* {{{ proto array sybase_fetch_assoc(int result) Fetch row as array without numberic indices */ PHP_FUNCTION(sybase_fetch_assoc) { php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0); } /* }}} */ /* {{{ proto bool sybase_data_seek(int result, int offset) Move internal row pointer */ PHP_FUNCTION(sybase_data_seek) { zval **sybase_result_index, **offset; sybase_result *result; if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &sybase_result_index, &offset)==FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); convert_to_long_ex(offset); /* Unbuffered ? */ if (result->last_retcode != CS_END_DATA && Z_LVAL_PP(offset)>=result->num_rows) { php_sybase_fetch_result_row(result, Z_LVAL_PP(offset)); } if (Z_LVAL_PP(offset)<0 || Z_LVAL_PP(offset)>=result->num_rows) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad row offset"); RETURN_FALSE; } result->cur_row = Z_LVAL_PP(offset); RETURN_TRUE; } /* }}} */ static char *php_sybase_get_field_name(CS_INT type) { switch (type) { case CS_CHAR_TYPE: case CS_VARCHAR_TYPE: case CS_TEXT_TYPE: return "string"; break; case CS_IMAGE_TYPE: return "image"; break; case CS_BINARY_TYPE: case CS_VARBINARY_TYPE: return "blob"; break; case CS_BIT_TYPE: return "bit"; break; case CS_TINYINT_TYPE: case CS_SMALLINT_TYPE: case CS_INT_TYPE: return "int"; break; case CS_REAL_TYPE: case CS_FLOAT_TYPE: case CS_NUMERIC_TYPE: case CS_DECIMAL_TYPE: return "real"; break; case CS_MONEY_TYPE: case CS_MONEY4_TYPE: return "money"; break; case CS_DATETIME_TYPE: case CS_DATETIME4_TYPE: return "datetime"; break; default: return "unknown"; break; } } /* {{{ proto object sybase_fetch_field(int result [, int offset]) Get field information */ PHP_FUNCTION(sybase_fetch_field) { zval **sybase_result_index, **offset; int field_offset; sybase_result *result; switch (ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &sybase_result_index) == FAILURE) { RETURN_FALSE; } field_offset=-1; break; case 2: if (zend_get_parameters_ex(2, &sybase_result_index, &offset) == FAILURE) { RETURN_FALSE; } convert_to_long_ex(offset); field_offset = Z_LVAL_PP(offset); break; default: WRONG_PARAM_COUNT; break; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); if (field_offset==-1) { field_offset = result->cur_field; result->cur_field++; } if (field_offset<0 || field_offset >= result->num_fields) { if (ZEND_NUM_ARGS()==2) { /* field specified explicitly */ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset"); } RETURN_FALSE; } object_init(return_value); add_property_string(return_value, "name", result->fields[field_offset].name, 1); add_property_long(return_value, "max_length", result->fields[field_offset].max_length); add_property_string(return_value, "column_source", result->fields[field_offset].column_source, 1); add_property_long(return_value, "numeric", result->fields[field_offset].numeric); add_property_string(return_value, "type", php_sybase_get_field_name(Z_TYPE(result->fields[field_offset])), 1); } /* }}} */ /* {{{ proto bool sybase_field_seek(int result, int offset) Set field offset */ PHP_FUNCTION(sybase_field_seek) { zval **sybase_result_index, **offset; int field_offset; sybase_result *result; if (ZEND_NUM_ARGS() !=2 || zend_get_parameters_ex(2, &sybase_result_index, &offset) == FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); convert_to_long_ex(offset); field_offset = Z_LVAL_PP(offset); /* Unbuffered ? */ if (result->last_retcode != CS_END_DATA && field_offset>=result->num_rows) { php_sybase_fetch_result_row(result, field_offset); } if (field_offset<0 || field_offset >= result->num_fields) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset"); RETURN_FALSE; } result->cur_field = field_offset; RETURN_TRUE; } /* }}} */ /* {{{ proto string sybase_result(int result, int row, mixed field) Get result data */ PHP_FUNCTION(sybase_result) { zval **row, **field, **sybase_result_index; int field_offset=0; sybase_result *result; if (ZEND_NUM_ARGS() !=3 || zend_get_parameters_ex(3, &sybase_result_index, &row, &field)==FAILURE) { WRONG_PARAM_COUNT; } ZEND_FETCH_RESOURCE(result, sybase_result *, sybase_result_index, -1, "Sybase result", le_result); convert_to_long_ex(row); /* Unbuffered ? */ if (result->last_retcode != CS_END_DATA && Z_LVAL_PP(row) >= result->num_rows) { php_sybase_fetch_result_row(result, Z_LVAL_PP(row)); } if (Z_LVAL_PP(row) < 0 || Z_LVAL_PP(row) >= result->num_rows) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad row offset (%d)", Z_LVAL_PP(row)); RETURN_FALSE; } switch(Z_TYPE_PP(field)) { case IS_STRING: { int i; for (i=0; inum_fields; i++) { if (!strcasecmp(result->fields[i].name, Z_STRVAL_PP(field))) { field_offset = i; break; } } if (i>=result->num_fields) { /* no match found */ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: %s field not found in result", Z_STRVAL_PP(field)); RETURN_FALSE; } break; } default: convert_to_long_ex(field); field_offset = Z_LVAL_PP(field); if (field_offset<0 || field_offset>=result->num_fields) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset specified"); RETURN_FALSE; } break; } *return_value = result->data[Z_LVAL_PP(row)][field_offset]; zval_copy_ctor(return_value); } /* }}} */ /* {{{ proto int sybase_affected_rows([int link_id]) Get number of affected rows in last query */ PHP_FUNCTION(sybase_affected_rows) { zval **sybase_link_index; sybase_link *sybase_ptr; int id; switch(ZEND_NUM_ARGS()) { case 0: id = php_sybase_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU); break; case 1: if (zend_get_parameters_ex(1, &sybase_link_index) == FAILURE) { RETURN_FALSE; } id = -1; break; default: WRONG_PARAM_COUNT; break; } ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, sybase_link_index, id, "Sybase-Link", le_link, le_plink); Z_LVAL_P(return_value) = sybase_ptr->affected_rows; Z_TYPE_P(return_value) = IS_LONG; } /* }}} */ PHP_MINFO_FUNCTION(sybase) { char buf[32]; php_info_print_table_start(); php_info_print_table_header(2, "Sybase_CT Support", "enabled" ); sprintf(buf, "%ld", SybCtG(num_persistent)); php_info_print_table_row(2, "Active Persistent Links", buf); sprintf(buf, "%ld", SybCtG(num_links)); php_info_print_table_row(2, "Active Links", buf); sprintf(buf, "%ld", SybCtG(min_server_severity)); php_info_print_table_row(2, "Min server severity", buf); sprintf(buf, "%ld", SybCtG(min_client_severity)); php_info_print_table_row(2, "Min client severity", buf); php_info_print_table_row(2, "Application Name", SybCtG(appname)); sprintf(buf, "%ld", SybCtG(deadlock_retry_count)); php_info_print_table_row(2, "Deadlock retry count", buf); php_info_print_table_end(); DISPLAY_INI_ENTRIES(); } /* {{{ proto void sybase_min_client_severity(int severity) Sets minimum client severity */ PHP_FUNCTION(sybase_min_client_severity) { zval **severity; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &severity) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(severity); SybCtG(min_client_severity) = Z_LVAL_PP(severity); } /* }}} */ /* {{{ proto void sybase_min_server_severity(int severity) Sets minimum server severity */ PHP_FUNCTION(sybase_min_server_severity) { zval **severity; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &severity) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(severity); SybCtG(min_server_severity) = Z_LVAL_PP(severity); } /* }}} */ /* {{{ proto void sybase_deadlock_retry_count(int retry_count) Sets deadlock retry count */ PHP_FUNCTION(sybase_deadlock_retry_count) { zval **retry_count; if (ZEND_NUM_ARGS() !=1 || zend_get_parameters_ex(1, &retry_count) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(retry_count); SybCtG(deadlock_retry_count) = Z_LVAL_PP(retry_count); } /* }}} */ /* {{{ proto bool sybase_set_message_handler(mixed error_func) Set the error handler, to be called when a server message is raised. If error_func is NULL the handler will be deleted */ PHP_FUNCTION(sybase_set_message_handler) { zval ***params; char *name; int argc = ZEND_NUM_ARGS(); if (argc != 1) { WRONG_PARAM_COUNT; } params = emalloc(sizeof(zval **) * argc); if (zend_get_parameters_array_ex(argc, params) == FAILURE) { efree(params); RETURN_FALSE; } if (SybCtG(callback_name)) { zval_dtor(SybCtG(callback_name)); SybCtG(callback_name)= NULL; } if (Z_TYPE_PP(params[0]) == IS_NULL) { efree(params); RETURN_TRUE; } if (!zend_is_callable(*params[0], 0, &name)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "First argumented is expected to be a valid callback, '%s' was given", name); efree(name); efree(params); RETURN_FALSE; } ALLOC_ZVAL(SybCtG(callback_name)); *SybCtG(callback_name) = **params[0]; INIT_PZVAL(SybCtG(callback_name)); zval_copy_ctor(SybCtG(callback_name)); efree(params); efree(name); RETURN_TRUE; } /* }}} */ #endif /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: */