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php-src/ext/sybase_ct/php_sybase_ct.c
foobar ba12d0b4b1 Added missing alias. PR: #9550
2001-03-11 04:13:53 +00:00

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/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2001 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 <zeev@zend.com> |
| Tom May <tom@go2net.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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_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_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_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_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_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)
{NULL, NULL, NULL}
};
zend_module_entry sybase_module_entry = {
"sybase_ct", sybase_functions, PHP_MINIT(sybase), PHP_MSHUTDOWN(sybase), PHP_RINIT(sybase), PHP_RSHUTDOWN(sybase), PHP_MINFO(sybase), 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(E_WARNING, "Sybase: A link to the server could not be established"); RETURN_FALSE; } }
static int _clean_invalid_results(list_entry *le)
{
SybCtLS_FETCH();
if (le->type == 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->num_rows; i++) {
for (j=0; j<result->num_fields; j++) {
pval_destructor(&result->data[i][j]);
}
efree(result->data[i]);
}
efree(result->data);
}
if (result->fields) {
for (i=0; i<result->num_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)
{
sybase_result *result = (sybase_result *)rsrc->ptr;
_free_sybase_result(result);
}
static void _close_sybase_link(zend_rsrc_list_entry *rsrc)
{
sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr;
CS_INT con_status;
ELS_FETCH();
SybCtLS_FETCH();
sybase_ptr->valid = 0;
zend_hash_apply(&EG(regular_list),(int (*)(void *))_clean_invalid_results);
/* 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(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)
{
sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr;
CS_INT con_status;
SybCtLS_FETCH();
/* 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(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 _client_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_CLIENTMSG *errmsg)
{
SybCtLS_FETCH();
if (CS_SEVERITY(errmsg->msgnumber) >= SybCtG(min_client_severity)) {
php_error(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 _server_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_SERVERMSG *srvmsg)
{
SybCtLS_FETCH();
if (srvmsg->severity >= SybCtG(min_server_severity)) {
php_error(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, OnUpdateInt, allow_persistent, zend_sybase_globals, sybase_globals)
STD_PHP_INI_ENTRY_EX("sybct.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateInt, max_persistent, zend_sybase_globals, sybase_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("sybct.max_links", "-1", PHP_INI_SYSTEM, OnUpdateInt, max_links, zend_sybase_globals, sybase_globals, display_link_numbers)
STD_PHP_INI_ENTRY("sybct.min_server_severity", "10", PHP_INI_ALL, OnUpdateInt, min_server_severity, zend_sybase_globals, sybase_globals)
STD_PHP_INI_ENTRY("sybct.min_client_severity", "10", PHP_INI_ALL, OnUpdateInt, 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)
PHP_INI_END()
static void php_sybase_init_globals(zend_sybase_globals *sybase_globals)
{
long timeout;
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(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(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(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(E_WARNING, "Sybase: Unable to set login timeoutt");
}
}
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(E_WARNING, "Sybase: Unable to set timeout");
}
}
sybase_globals->num_persistent=0;
}
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)
{
SybCtLS_FETCH();
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)
{
SybCtLS_FETCH();
efree(SybCtG(appname));
STR_FREE(SybCtG(server_message));
return SUCCESS;
}
static int php_sybase_do_connect_internal(sybase_link *sybase, char *host, char *user, char *passwd)
{
SybCtLS_FETCH();
/* set a CS_CONNECTION record */
if (ct_con_alloc(SybCtG(context), &sybase->connection)!=CS_SUCCEED) {
php_error(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(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);
}
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);
}
sybase->valid = 1;
sybase->dead = 0;
/* create the link */
if (ct_connect(sybase->connection, host, CS_NULLTERM)!=CS_SUCCEED) {
php_error(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(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;
char *hashed_details;
int hashed_details_length;
sybase_link *sybase_ptr;
SybCtLS_FETCH();
switch(ZEND_NUM_ARGS()) {
case 0: /* defaults */
host=user=passwd=NULL;
hashed_details_length=6+3;
hashed_details = (char *) emalloc(hashed_details_length+1);
strcpy(hashed_details, "sybase___");
break;
case 1: {
pval *yyhost;
if (getParameters(ht, 1, &yyhost)==FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
host = yyhost->value.str.val;
user=passwd=NULL;
hashed_details_length = yyhost->value.str.len+6+3;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details, "sybase_%s__", yyhost->value.str.val);
}
break;
case 2: {
pval *yyhost,*yyuser;
if (getParameters(ht, 2, &yyhost, &yyuser)==FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
convert_to_string(yyuser);
host = yyhost->value.str.val;
user = yyuser->value.str.val;
passwd=NULL;
hashed_details_length = yyhost->value.str.len+yyuser->value.str.len+6+3;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details, "sybase_%s_%s_", yyhost->value.str.val, yyuser->value.str.val);
}
break;
case 3: {
pval *yyhost,*yyuser,*yypasswd;
if (getParameters(ht, 3, &yyhost, &yyuser, &yypasswd) == FAILURE) {
RETURN_FALSE;
}
convert_to_string(yyhost);
convert_to_string(yyuser);
convert_to_string(yypasswd);
host = yyhost->value.str.val;
user = yyuser->value.str.val;
passwd = yypasswd->value.str.val;
hashed_details_length = yyhost->value.str.len+yyuser->value.str.len+yypasswd->value.str.len+6+3;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details, "sybase_%s_%s_%s", yyhost->value.str.val, yyuser->value.str.val, yypasswd->value.str.val); /* SAFE */
}
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(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(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)) {
free(sybase_ptr);
efree(hashed_details);
RETURN_FALSE;
}
/* hash it up */
new_le.type = 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 (le->type != 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(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)) {
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 (index_ptr->type != 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)) {
return_value->value.lval = SybCtG(default_link) = link;
return_value->type = 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(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)) {
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 *) return_value->value.lval;
new_index_ptr.type = 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)=return_value->value.lval;
}
static int php_sybase_get_default_link(INTERNAL_FUNCTION_PARAMETERS)
{
SybCtLS_FETCH();
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]]]])
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]]]])
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)
{
pval *sybase_link_index = 0;
int id;
sybase_link *sybase_ptr;
SybCtLS_FETCH();
switch (ZEND_NUM_ARGS()) {
case 0:
id = SybCtG(default_link);
break;
case 1:
if (getParameters(ht, 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_P(sybase_link_index));
}
if (id!=-1
|| (sybase_link_index && Z_RESVAL_P(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;
SybCtLS_FETCH();
/* 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)
{
pval *db,*sybase_link_index;
int id;
char *cmdbuf;
sybase_link *sybase_ptr;
SybCtLS_FETCH();
switch(ZEND_NUM_ARGS()) {
case 1:
if (getParameters(ht, 1, &db)==FAILURE) {
RETURN_FALSE;
}
id = php_sybase_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
CHECK_LINK(id);
break;
case 2:
if (getParameters(ht, 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(db);
cmdbuf = (char *) emalloc(sizeof("use ")+db->value.str.len+1);
sprintf(cmdbuf, "use %s", db->value.str.val); /* SAFE */
if (exec_cmd(sybase_ptr, cmdbuf)==FAILURE) {
efree(cmdbuf);
RETURN_FALSE;
} else {
efree(cmdbuf);
RETURN_TRUE;
}
}
/* }}} */
static sybase_result * php_sybase_fetch_result_set (sybase_link *sybase_ptr)
{
int num_fields;
sybase_result *result;
char **tmp_buffer;
CS_INT *lengths;
CS_SMALLINT *indicators;
unsigned char *numerics;
CS_INT *types;
CS_DATAFMT *datafmt;
int i, j, retcode;
int blocks_initialized=1;
SybCtLS_FETCH();
/* The following 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 = (pval **) emalloc(sizeof(pval *)*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;
tmp_buffer = (char **) emalloc(sizeof(char *)*num_fields);
lengths = (CS_INT *) emalloc(sizeof(CS_INT)*num_fields);
indicators = (CS_SMALLINT *) emalloc(sizeof(CS_INT)*num_fields);
datafmt = (CS_DATAFMT *) emalloc(sizeof(CS_DATAFMT)*num_fields);
numerics = (unsigned char *) emalloc(sizeof(unsigned char)*num_fields);
types = (CS_INT *) emalloc(sizeof(CS_INT)*num_fields);
for (i=0; i<num_fields; i++) {
ct_describe(sybase_ptr->cmd, i+1, &datafmt[i]);
types[i] = datafmt[i].datatype;
switch (datafmt[i].datatype) {
case CS_CHAR_TYPE:
case CS_VARCHAR_TYPE:
case CS_TEXT_TYPE:
case CS_IMAGE_TYPE:
datafmt[i].maxlength++;
numerics[i] = 0;
break;
case CS_BINARY_TYPE:
case CS_VARBINARY_TYPE:
datafmt[i].maxlength *= 2;
datafmt[i].maxlength++;
numerics[i] = 0;
break;
case CS_BIT_TYPE:
case CS_TINYINT_TYPE:
datafmt[i].maxlength = 4;
numerics[i] = 1;
break;
case CS_SMALLINT_TYPE:
datafmt[i].maxlength = 7;
numerics[i] = 1;
break;
case CS_INT_TYPE:
datafmt[i].maxlength = 12;
numerics[i] = 1;
break;
case CS_REAL_TYPE:
case CS_FLOAT_TYPE:
datafmt[i].maxlength = 24;
numerics[i] = 1;
break;
case CS_MONEY_TYPE:
case CS_MONEY4_TYPE:
datafmt[i].maxlength = 24;
numerics[i] = 0;
break;
case CS_DATETIME_TYPE:
case CS_DATETIME4_TYPE:
datafmt[i].maxlength = 30;
numerics[i] = 0;
break;
case CS_NUMERIC_TYPE:
case CS_DECIMAL_TYPE:
datafmt[i].maxlength = datafmt[i].precision + 3;
numerics[i] = 1;
break;
default:
datafmt[i].maxlength++;
numerics[i] = 0;
break;
}
tmp_buffer[i] = (char *)emalloc(datafmt[i].maxlength);
datafmt[i].datatype = CS_CHAR_TYPE;
datafmt[i].format = CS_FMT_NULLTERM;
ct_bind(sybase_ptr->cmd, i+1, &datafmt[i], tmp_buffer[i], &lengths[i], &indicators[i]);
}
while ((retcode=ct_fetch(sybase_ptr->cmd,CS_UNUSED,CS_UNUSED,CS_UNUSED,NULL))==CS_SUCCEED
|| retcode==CS_ROW_FAIL) {
/*
if (retcode==CS_ROW_FAIL) {
php_error(E_WARNING, "Sybase: Error reading row %d", result->num_rows);
}
*/
i = result->num_rows++;
if (result->num_rows > blocks_initialized*SYBASE_ROWS_BLOCK) {
result->data = (pval **) erealloc(result->data, sizeof(pval *)*SYBASE_ROWS_BLOCK*(++blocks_initialized));
}
result->data[i] = (pval *) emalloc(sizeof(pval)*num_fields);
for (j=0; j<num_fields; j++) {
if (indicators[j] == -1) { /* null value */
var_reset(&result->data[i][j]);
} else {
result->data[i][j].value.str.len = lengths[j]-1; /* we don't need the NULL in the length */
result->data[i][j].value.str.val = estrndup(tmp_buffer[j], lengths[j]);
result->data[i][j].type = IS_STRING;
}
}
}
if (retcode != CS_END_DATA) {
_free_sybase_result(result);
result = NULL;
} else {
result->fields = (sybase_field *) emalloc(sizeof(sybase_field)*num_fields);
j=0;
for (i=0; i<num_fields; i++) {
char computed_buf[16];
if (datafmt[i].namelen>0) {
result->fields[i].name = estrndup(datafmt[i].name, 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 = datafmt[i].maxlength-1;
result->fields[i].numeric = numerics[i];
result->fields[i].type = types[i];
}
}
efree(datafmt);
efree(lengths);
efree(indicators);
efree(numerics);
efree(types);
for (i=0; i<num_fields; i++) {
efree(tmp_buffer[i]);
}
efree(tmp_buffer);
return result;
}
/* {{{ proto int sybase_query(string query [, int link_id])
Send Sybase query */
PHP_FUNCTION(sybase_query)
{
pval **query, **sybase_link_index=NULL;
int id;
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;
SybCtLS_FETCH();
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;
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;
}
/* Repeat until we don't deadlock. */
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, (*query)->value.str.val, 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;
RETURN_FALSE;
}
if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) {
ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
sybase_ptr->dead = 1;
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;
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:
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);
if (result == NULL) {
ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
sybase_ptr->dead = 1;
RETURN_FALSE;
}
status = Q_RESULT;
break;
}
/* 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(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;
}
/* 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;
}
ZEND_REGISTER_RESOURCE(return_value, result, le_result);
}
/* }}} */
/* {{{ proto bool sybase_free_result(int result)
Free result memory */
PHP_FUNCTION(sybase_free_result)
{
pval *sybase_result_index;
sybase_result *result;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
if (sybase_result_index->type==IS_RESOURCE
&& sybase_result_index->value.lval==0) {
RETURN_FALSE;
}
ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
zend_list_delete(sybase_result_index->value.lval);
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)
{
SybCtLS_FETCH();
RETURN_STRING(SybCtG(server_message),1);
}
/* }}} */
/* {{{ proto int sybase_num_rows(int result)
Get number of rows in result */
PHP_FUNCTION(sybase_num_rows)
{
pval *sybase_result_index;
sybase_result *result;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
return_value->value.lval = result->num_rows;
return_value->type = IS_LONG;
}
/* }}} */
/* {{{ proto int sybase_num_fields(int result)
Get number of fields in result */
PHP_FUNCTION(sybase_num_fields)
{
pval *sybase_result_index;
sybase_result *result;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
return_value->value.lval = result->num_fields;
return_value->type = IS_LONG;
}
/* }}} */
/* {{{ proto array sybase_fetch_row(int result)
Get row as enumerated array */
PHP_FUNCTION(sybase_fetch_row)
{
pval *sybase_result_index;
int i;
sybase_result *result;
pval *field_content;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
if (result->cur_row >= result->num_rows) {
RETURN_FALSE;
}
array_init(return_value);
for (i=0; i<result->num_fields; i++) {
ALLOC_ZVAL(field_content);
*field_content = result->data[result->cur_row][i];
INIT_PZVAL(field_content);
pval_copy_constructor(field_content);
zend_hash_index_update(return_value->value.ht, i, (void *) &field_content, sizeof(pval* ), NULL);
}
result->cur_row++;
}
/* }}} */
static void php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS)
{
pval *sybase_result_index;
sybase_result *result;
int i;
pval *tmp;
PLS_FETCH();
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &sybase_result_index)==FAILURE) {
WRONG_PARAM_COUNT;
}
ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
if (result->cur_row >= result->num_rows) {
RETURN_FALSE;
}
if (array_init(return_value)==FAILURE) {
RETURN_FALSE;
}
for (i=0; i<result->num_fields; i++) {
ALLOC_ZVAL(tmp);
*tmp = result->data[result->cur_row][i];
INIT_PZVAL(tmp);
if (PG(magic_quotes_runtime) && tmp->type == IS_STRING) {
tmp->value.str.val = php_addslashes(tmp->value.str.val, tmp->value.str.len, &tmp->value.str.len, 0);
} else {
pval_copy_constructor(tmp);
}
zend_hash_index_update(return_value->value.ht, i, (void *) &tmp, sizeof(pval *), NULL);
tmp->refcount++;
zend_hash_update(return_value->value.ht, result->fields[i].name, strlen(result->fields[i].name)+1, (void *) &tmp, sizeof(pval *), NULL);
}
result->cur_row++;
}
/* {{{ proto object sybase_fetch_object(int result)
Fetch row as object */
PHP_FUNCTION(sybase_fetch_object)
{
php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU);
if (return_value->type==IS_ARRAY) {
return_value->type=IS_OBJECT;
return_value->value.obj.properties = return_value->value.ht;
return_value->value.obj.ce = &zend_standard_class_def;
}
}
/* }}} */
/* {{{ proto array sybase_fetch_array(int result)
Fetch row as array */
PHP_FUNCTION(sybase_fetch_array)
{
php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU);
}
/* }}} */
/* {{{ proto bool sybase_data_seek(int result, int offset)
Move internal row pointer */
PHP_FUNCTION(sybase_data_seek)
{
pval *sybase_result_index,*offset;
sybase_result *result;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=2 || getParameters(ht, 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(offset);
if (offset->value.lval<0 || offset->value.lval>=result->num_rows) {
php_error(E_WARNING, "Sybase: Bad row offset");
RETURN_FALSE;
}
result->cur_row = offset->value.lval;
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)
{
pval *sybase_result_index,*offset;
int field_offset;
sybase_result *result;
SybCtLS_FETCH();
switch (ZEND_NUM_ARGS()) {
case 1:
if (getParameters(ht, 1, &sybase_result_index)==FAILURE) {
RETURN_FALSE;
}
field_offset=-1;
break;
case 2:
if (getParameters(ht, 2, &sybase_result_index, &offset)==FAILURE) {
RETURN_FALSE;
}
convert_to_long(offset);
field_offset = offset->value.lval;
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(E_WARNING, "Sybase: Bad column offset");
}
RETURN_FALSE;
}
if (object_init(return_value)==FAILURE) {
RETURN_FALSE;
}
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(result->fields[field_offset].type), 1);
}
/* }}} */
/* {{{ proto bool sybase_field_seek(int result, int offset)
Set field offset */
PHP_FUNCTION(sybase_field_seek)
{
pval *sybase_result_index,*offset;
int field_offset;
sybase_result *result;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=2 || getParameters(ht, 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(offset);
field_offset = offset->value.lval;
if (field_offset<0 || field_offset >= result->num_fields) {
php_error(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)
{
pval *row, *field, *sybase_result_index;
int field_offset=0;
sybase_result *result;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=3 || getParameters(ht, 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(row);
if (row->value.lval<0 || row->value.lval>=result->num_rows) {
php_error(E_WARNING, "Sybase: Bad row offset (%d)", row->value.lval);
RETURN_FALSE;
}
switch(field->type) {
case IS_STRING: {
int i;
for (i=0; i<result->num_fields; i++) {
if (!strcasecmp(result->fields[i].name, field->value.str.val)) {
field_offset = i;
break;
}
}
if (i>=result->num_fields) { /* no match found */
php_error(E_WARNING, "Sybase: %s field not found in result", field->value.str.val);
RETURN_FALSE;
}
break;
}
default:
convert_to_long(field);
field_offset = field->value.lval;
if (field_offset<0 || field_offset>=result->num_fields) {
php_error(E_WARNING, "Sybase: Bad column offset specified");
RETURN_FALSE;
}
break;
}
*return_value = result->data[row->value.lval][field_offset];
pval_copy_constructor(return_value);
}
/* }}} */
/* {{{ proto int sybase_affected_rows([int link_id])
Get number of affected rows in last query */
PHP_FUNCTION(sybase_affected_rows)
{
pval *sybase_link_index;
sybase_link *sybase_ptr;
int id;
SybCtLS_FETCH();
switch(ZEND_NUM_ARGS()) {
case 0:
id = php_sybase_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU);
break;
case 1:
if (getParameters(ht, 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);
return_value->value.lval = sybase_ptr->affected_rows;
return_value->type = IS_LONG;
}
/* }}} */
PHP_MINFO_FUNCTION(sybase)
{
char buf[32];
SybCtLS_FETCH();
php_info_print_table_start();
php_info_print_table_row(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);
php_info_print_table_row(2, "Application Name", SybCtG(appname));
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)
{
pval *severity;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &severity)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(severity);
SybCtG(min_client_severity) = severity->value.lval;
}
/* }}} */
/* {{{ proto void sybase_min_server_severity(int severity)
Sets minimum server severity */
PHP_FUNCTION(sybase_min_server_severity)
{
pval *severity;
SybCtLS_FETCH();
if (ZEND_NUM_ARGS()!=1 || getParameters(ht, 1, &severity)==FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long(severity);
SybCtG(min_server_severity) = severity->value.lval;
}
/* }}} */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
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