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php-src/ext/ingres_ii/ii.c
Andi Gutmans 82d7c4294c - Also change constants. Note: PHP tries to make names intuitive. 
- PHP extensions don't necessarily need to use the exact C counter part, it
- should be easy to read and not be short names such as II_*
2000-08-26 14:24:33 +00:00

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/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000 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. |
+----------------------------------------------------------------------+
| Contributed by ECL IP'S Software & Services |
| http://www.eclips-software.com |
| mailto://idev@eclips-software.com |
| Author: David Hénot <henot@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "php.h"
#include "php_globals.h"
#include "php_ini.h"
#include "php_ii.h"
#include "ii.h"
#include "ext/standard/php_string.h"
#if HAVE_II
ZEND_DECLARE_MODULE_GLOBALS(ii)
/* True globals, no need for thread safety */
static int le_ii_link,le_ii_plink;
#define SAFE_STRING(s) ((s)?(s):"")
/* Every user visible function must have an entry in ii_functions[].
*/
function_entry ii_functions[] = {
PHP_FE(ingres_connect, NULL)
PHP_FE(ingres_pconnect, NULL)
PHP_FE(ingres_close, NULL)
PHP_FE(ingres_query, NULL)
PHP_FE(ingres_num_rows, NULL)
PHP_FE(ingres_num_fields, NULL)
PHP_FE(ingres_field_name, NULL)
PHP_FE(ingres_field_type, NULL)
PHP_FE(ingres_field_nullable, NULL)
PHP_FE(ingres_field_length, NULL)
PHP_FE(ingres_field_precision, NULL)
PHP_FE(ingres_field_scale, NULL)
PHP_FE(ingres_fetch_array, NULL)
PHP_FE(ingres_fetch_row, NULL)
PHP_FE(ingres_fetch_object, NULL)
PHP_FE(ingres_rollback, NULL)
PHP_FE(ingres_commit, NULL)
PHP_FE(ingres_autocommit, NULL)
{NULL, NULL, NULL} /* Must be the last line in ii_functions[] */
};
zend_module_entry ingres_ii_module_entry = {
"ingres_ii",
ii_functions,
PHP_MINIT(ii),
PHP_MSHUTDOWN(ii),
PHP_RINIT(ii),
PHP_RSHUTDOWN(ii),
PHP_MINFO(ii),
STANDARD_MODULE_PROPERTIES
};
#ifdef COMPILE_DL_INGRES_II
ZEND_GET_MODULE(ingres_ii)
#endif
/* php.ini entries
*/
PHP_INI_BEGIN()
STD_PHP_INI_BOOLEAN("ingres.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateInt, allow_persistent, zend_ii_globals, ii_globals)
STD_PHP_INI_ENTRY_EX("ingres.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateInt, max_persistent, zend_ii_globals, ii_globals, display_link_numbers)
STD_PHP_INI_ENTRY_EX("ingres.max_links", "-1", PHP_INI_SYSTEM, OnUpdateInt, max_links, zend_ii_globals, ii_globals, display_link_numbers)
STD_PHP_INI_ENTRY("ingres.default_database", NULL, PHP_INI_ALL, OnUpdateString, default_database, zend_ii_globals, ii_globals)
STD_PHP_INI_ENTRY("ingres.default_user", NULL, PHP_INI_ALL, OnUpdateString, default_user, zend_ii_globals, ii_globals)
STD_PHP_INI_ENTRY("ingres.default_password", NULL, PHP_INI_ALL, OnUpdateString, default_password, zend_ii_globals, ii_globals)
PHP_INI_END()
/* closes statement in given link
*/
static int _close_statement(II_LINK *link)
{
IIAPI_CLOSEPARM closeParm;
closeParm.cl_genParm.gp_callback = NULL;
closeParm.cl_genParm.gp_closure = NULL;
closeParm.cl_stmtHandle = link->stmtHandle;
IIapi_close(&closeParm);
ii_sync(&(closeParm.cl_genParm));
if(ii_success(&(closeParm.cl_genParm))==II_FAIL) {
return 1;
}
link->stmtHandle = NULL;
link->fieldCount = 0;
link->descriptor = NULL;
return 0;
}
/* rolls back transaction in given link
after closing the active transaction (if any)
*/
static int _rollback_transaction(II_LINK *link)
{
IIAPI_ROLLBACKPARM rollbackParm;
if(link->stmtHandle && _close_statement(link)) {
php_error(E_WARNING,"Ingres II: Unable to close statement !!");
return 1;
}
rollbackParm.rb_genParm.gp_callback = NULL;
rollbackParm.rb_genParm.gp_closure = NULL;
rollbackParm.rb_tranHandle = link->tranHandle;
rollbackParm.rb_savePointHandle = NULL;
IIapi_rollback(&rollbackParm);
ii_sync(&(rollbackParm.rb_genParm));
if(ii_success(&(rollbackParm.rb_genParm))==II_FAIL) {
return 1;
}
link->tranHandle = NULL;
return 0;
}
/* closes the given link, actually disconnecting from server
and releasing associated resources after rolling back the
active transaction (if any)
*/
static void _close_ii_link(II_LINK *link)
{
IIAPI_DISCONNPARM disconnParm;
IILS_FETCH();
if(link->tranHandle && _rollback_transaction(link)) {
php_error(E_WARNING,"Ingres II: Unable to rollback transaction !!");
}
disconnParm.dc_genParm.gp_callback = NULL;
disconnParm.dc_genParm.gp_closure = NULL;
disconnParm.dc_connHandle = link->connHandle;
IIapi_disconnect(&disconnParm);
free(link);
IIG(num_links)--;
}
/* closes the given persistent link, see _close_ii_link
*/
static void _close_ii_plink(II_LINK *link)
{
IILS_FETCH();
_close_ii_link(link);
IIG(num_persistent)--;
}
/* sets the default link
*/
static void php_ii_set_default_link(int id)
{
IILS_FETCH();
if (IIG(default_link)!=-1) {
zend_list_delete(IIG(default_link));
}
IIG(default_link) = id;
zend_list_addref(id);
}
/* gets the default link
if none has been set, tries to open a new one with default
parameters
*/
static int php_ii_get_default_link(INTERNAL_FUNCTION_PARAMETERS IILS_DC)
{
if (IIG(default_link)==-1) { /* no link opened yet, implicitly open one */
ht = 0;
php_ii_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
return IIG(default_link);
}
/* Module initialization
*/
PHP_MINIT_FUNCTION(ii)
{
IIAPI_INITPARM initParm = {
-1, /* timeout in ms, -1 = no timeout */
IIAPI_VERSION_1, /* api version used */
0 /* status (output) */
};
IILS_FETCH();
REGISTER_INI_ENTRIES();
le_ii_link = register_list_destructors(_close_ii_link,NULL);
le_ii_plink = register_list_destructors(NULL,_close_ii_plink);
IIG(num_persistent) = 0;
/* Constants registration */
REGISTER_LONG_CONSTANT("INGRES_ASSOC", II_ASSOC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("INGRES_NUM", II_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("INGRES_BOTH", II_BOTH, CONST_CS | CONST_PERSISTENT);
/* Ingres api initialization */
IIapi_initialize(&initParm);
if (initParm.in_status==IIAPI_ST_SUCCESS) {
return SUCCESS;
} else {
return FAILURE;
}
}
/* Module shutdown
*/
PHP_MSHUTDOWN_FUNCTION(ii)
{
IIAPI_TERMPARM termParm;
UNREGISTER_INI_ENTRIES();
/* Ingres api termination */
IIapi_terminate(&termParm);
if (termParm.tm_status==IIAPI_ST_SUCCESS) {
return SUCCESS;
} else {
return FAILURE;
}
}
/* New request initialization
*/
PHP_RINIT_FUNCTION(ii)
{
IILS_FETCH();
IIG(default_link) = -1;
IIG(num_links) = IIG(num_persistent);
return SUCCESS;
}
/* End of request
*/
PHP_RSHUTDOWN_FUNCTION(ii)
{
IILS_FETCH();
if (IIG(default_link)!=-1) {
zend_list_delete(IIG(default_link));
IIG(default_link) = -1;
}
return SUCCESS;
}
/* Informations reported to phpinfo()
*/
PHP_MINFO_FUNCTION(ii)
{
char buf[32];
IILS_FETCH();
php_info_print_table_start();
php_info_print_table_header(2, "Ingres II Support", "enabled");
sprintf(buf, "%ld", IIG(num_persistent));
php_info_print_table_row(2, "Active Persistent Links", buf);
sprintf(buf, "%ld", IIG(num_links));
php_info_print_table_row(2, "Active Links", buf);
php_info_print_table_end();
DISPLAY_INI_ENTRIES();
}
/* Waits for completion of the last Ingres api call
used because of the asynchronous design of this api
*/
static int ii_sync(IIAPI_GENPARM *genParm)
{
static IIAPI_WAITPARM waitParm = {
-1, /* no timeout, we don't want asynchronous queries */
0 /* wt_status (output) */
};
while( genParm->gp_completed == FALSE ) {
IIapi_wait(&waitParm);
}
if (waitParm.wt_status != IIAPI_ST_SUCCESS) {
php_error(E_WARNING,"Ingres II: Unexpected failure of IIapi_wait()");
return 0;
}
return 1;
}
/* Handles errors from Ingres api
*/
static int ii_success(IIAPI_GENPARM *genParm)
{
switch(genParm->gp_status) {
case IIAPI_ST_SUCCESS:
return II_OK;
case IIAPI_ST_NO_DATA:
return II_NO_DATA;
default:
if(genParm->gp_errorHandle == NULL) { /* no error message available */
php_error(E_WARNING,"Ingres II: Server or API error - no error message available");
} else {
IIAPI_GETEINFOPARM getEInfoParm;
getEInfoParm.ge_errorHandle = genParm->gp_errorHandle;
IIapi_getErrorInfo(&getEInfoParm);
php_error(E_WARNING,"Ingres II: Server or API error : %s", getEInfoParm.ge_message);
php_error(E_WARNING,"Ingres II: SQLSTATE : %s", getEInfoParm.ge_SQLSTATE);
}
return II_FAIL;
}
}
/* Actually handles connection creation, either persistent or not
*/
static void php_ii_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent)
{
zval **database, **username, **password;
char *db, *user, *pass;
int argc;
char *hashed_details;
int hashed_details_length;
IIAPI_CONNPARM connParm;
II_LINK *link;
IILS_FETCH();
PLS_FETCH();
/* Setting db, user and pass according to sql_safe_mode, parameters and/or default values */
argc = ZEND_NUM_ARGS();
if (PG(sql_safe_mode)) {
if (argc>0) {
php_error(E_NOTICE,"SQL safe mode in effect - ignoring host/user/password information");
}
db = pass = NULL;
user=php_get_current_user();
hashed_details_length = strlen(user) + sizeof("ingres___")-1;
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"ingres__%s_",user);
} else {
db = IIG(default_database);
user = IIG(default_user);
pass = IIG(default_password);
if (argc > 3 || zend_get_parameters_ex(argc, &database, &username, &password) == FAILURE){
WRONG_PARAM_COUNT;
}
switch(argc) {
case 3:
convert_to_string_ex(password);
pass = (*password)->value.str.val;
/* Fall-through. */
case 2:
convert_to_string_ex(username);
user = (*username)->value.str.val;
/* Fall-through. */
case 1:
convert_to_string_ex(database);
db = (*database)->value.str.val;
/* Fall-through. */
case 0:
break;
}
hashed_details_length = sizeof("ingres___")-1 + strlen(SAFE_STRING(db))+strlen(SAFE_STRING(user))+strlen(SAFE_STRING(pass));
hashed_details = (char *) emalloc(hashed_details_length+1);
sprintf(hashed_details,"ingres_%s_%s_%s",SAFE_STRING(db), SAFE_STRING(user), SAFE_STRING(pass));
}
/* if asked for unauthorized persistency, issue a warning
and go for a non-persistent link */
if (persistent && !IIG(allow_persistent)) {
php_error(E_WARNING,"Ingres II: Persistent links disabled !");
persistent = 0;
}
if (persistent) {
list_entry *le;
/* is this link already in the persistent list ? */
if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* no, new persistent connection */
list_entry new_le;
if (IIG(max_links)!=-1 && IIG(num_links)>=IIG(max_links)) {
php_error(E_WARNING,"Ingres II: Too many open links (%d)",IIG(num_links));
efree(hashed_details);
RETURN_FALSE;
}
if (IIG(max_persistent)!=-1 && IIG(num_persistent)>=IIG(max_persistent)) {
php_error(E_WARNING,"Ingres II: Too many open persistent links (%d)",IIG(num_persistent));
efree(hashed_details);
RETURN_FALSE;
}
/* create the link */
connParm.co_genParm.gp_callback = NULL;
connParm.co_genParm.gp_closure = NULL;
connParm.co_target = db;
connParm.co_username = user;
connParm.co_password = pass;
connParm.co_timeout = -1; /* -1 is no timeout */
connParm.co_connHandle = NULL;
connParm.co_tranHandle = NULL;
IIapi_connect(&connParm);
if(!ii_sync(&(connParm.co_genParm)) || ii_success(&(connParm.co_genParm)) == II_FAIL) {
efree(hashed_details);
php_error(E_WARNING,"Ingres II: Unable to connect to database (%s)", db);
RETURN_FALSE;
}
link = (II_LINK *) malloc(sizeof(II_LINK));
link->connHandle = connParm.co_connHandle;
link->tranHandle = NULL;
link->stmtHandle = NULL;
link->fieldCount = 0;
link->descriptor = NULL;
/* hash it up */
new_le.type = le_ii_plink;
new_le.ptr = link;
if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(list_entry), NULL)==FAILURE) {
php_error(E_WARNING,"Ingres II: Unable to hash (%s)", hashed_details);
free(link);
efree(hashed_details);
RETURN_FALSE;
}
IIG(num_persistent)++;
IIG(num_links)++;
} else { /* already open persistent connection */
if (le->type != le_ii_plink) {
RETURN_FALSE;
}
/* here we should ensure that the link did not die */
/* unable to figure out the right way to do this
maybe does the api handle the reconnection transparently ? */
link = (II_LINK *) le->ptr;
}
ZEND_REGISTER_RESOURCE(return_value, link, le_ii_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 link sits.
* if it doesn't, open a new 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;
void *ptr;
if (index_ptr->type != le_index_ptr) {
RETURN_FALSE;
}
link = (II_LINK *) index_ptr->ptr;
ptr = zend_list_find((int) link,&type); /* check if the link is still there */
if (ptr && (type==le_ii_link || type==le_ii_plink)) {
zend_list_addref((int) link);
return_value->value.lval = (int) link;
php_ii_set_default_link((int) link);
return_value->type = IS_RESOURCE;
efree(hashed_details);
return;
} else {
zend_hash_del(&EG(regular_list),hashed_details,hashed_details_length+1);
}
}
if (IIG(max_links)!=-1 && IIG(num_links)>=IIG(max_links)) {
php_error(E_WARNING,"Ingres II: Too many open links (%d)",IIG(num_links));
efree(hashed_details);
RETURN_FALSE;
}
/* create the link */
connParm.co_genParm.gp_callback = NULL;
connParm.co_genParm.gp_closure = NULL;
connParm.co_target = db;
connParm.co_username = user;
connParm.co_password = pass;
connParm.co_timeout = -1; /* -1 is no timeout */
connParm.co_connHandle = NULL;
connParm.co_tranHandle = NULL;
IIapi_connect(&connParm);
if(!ii_sync(&(connParm.co_genParm)) || ii_success(&(connParm.co_genParm)) == II_FAIL) {
efree(hashed_details);
php_error(E_WARNING,"Ingres II: Unable to connect to database (%s)", db);
RETURN_FALSE;
}
link = (II_LINK *) malloc(sizeof(II_LINK));
link->connHandle = connParm.co_connHandle;
link->tranHandle = NULL;
link->stmtHandle = NULL;
link->fieldCount = 0;
link->descriptor = NULL;
/* add it to the list */
ZEND_REGISTER_RESOURCE(return_value, link, le_ii_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) {
php_error(E_WARNING,"Ingres II: Unable to hash (%s)", hashed_details);
free(link);
efree(hashed_details);
RETURN_FALSE;
}
IIG(num_links)++;
}
efree(hashed_details);
php_ii_set_default_link(return_value->value.lval);
}
/* {{{ proto resource ingres_connect([string database [, string username [, string password]]])
Open a connection to an Ingres II database the syntax of database is [node_id::]dbname[/svr_class] */
PHP_FUNCTION(ingres_connect)
{
php_ii_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
/* {{{ proto resource ingres_pconnect([string database [, string username [, string password]]])
Open a persistent connection to an Ingres II database the syntax of database is [node_id::]dbname[/svr_class] */
PHP_FUNCTION(ingres_pconnect)
{
php_ii_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
/* {{{ proto bool ingres_close([resource link])
Close an Ingres II database connection */
PHP_FUNCTION(ingres_close)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || (argc && zend_get_parameters_ex(argc, &link) == FAILURE)){
WRONG_PARAM_COUNT;
}
if (argc == 0) {
link_id = IIG(default_link);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
zend_list_delete(link_id);
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ingres_query(string query [, resource link])
Send a SQL query to Ingres II */
/* This should go into the documentation */
/* Unsupported query types:
- close
- commit
- connect
- disconnect
- get dbevent
- prepare to commit
- rollback
- savepoint
- set autocommit
- <all cursor related queries>
(look for dedicated functions instead) */
PHP_FUNCTION(ingres_query)
{
zval **query, **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IIAPI_QUERYPARM queryParm;
IIAPI_GETDESCRPARM getDescrParm;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc < 1 || argc > 2 || zend_get_parameters_ex(argc, &query, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc < 2) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
convert_to_string_ex(query);
/* if there's already an active statement, close it */
if(ii_link->stmtHandle && _close_statement(ii_link)) {
php_error(E_WARNING,"Ingres II: Unable to close statement !!");
RETURN_FALSE;
}
/* send the query */
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = ii_link->connHandle;
queryParm.qy_tranHandle = ii_link->tranHandle;
queryParm.qy_stmtHandle = NULL;
queryParm.qy_queryType = IIAPI_QT_QUERY;
queryParm.qy_parameters = FALSE;
queryParm.qy_queryText = Z_STRVAL_PP(query);
IIapi_query(&queryParm);
ii_sync(&(queryParm.qy_genParm));
if(ii_success(&(queryParm.qy_genParm))==II_FAIL) {
RETURN_FALSE;
}
/* store transaction and statement handles */
ii_link->tranHandle = queryParm.qy_tranHandle;
ii_link->stmtHandle = queryParm.qy_stmtHandle;
/* get description of results */
getDescrParm.gd_genParm.gp_callback = NULL;
getDescrParm.gd_genParm.gp_closure = NULL;
getDescrParm.gd_stmtHandle = ii_link->stmtHandle;
IIapi_getDescriptor(&getDescrParm);
ii_sync(&(getDescrParm.gd_genParm));
if(ii_success(&(getDescrParm.gd_genParm))==II_FAIL) {
RETURN_FALSE;
}
/* store the results */
ii_link->fieldCount = getDescrParm.gd_descriptorCount;
ii_link->descriptor = getDescrParm.gd_descriptor;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto int ingres_num_rows([resource link])
Return the number of rows affected/returned by the last query */
/* Warning : don't call ingres_num_rows() before ingres_fetch_xx(),
or ingres_fetch_xx() wouldn't find any data */
PHP_FUNCTION(ingres_num_rows)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IIAPI_GETQINFOPARM getQInfoParm;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || zend_get_parameters_ex(argc, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc < 1) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
/* get number of affected rows */
getQInfoParm.gq_genParm.gp_callback = NULL;
getQInfoParm.gq_genParm.gp_closure = NULL;
getQInfoParm.gq_stmtHandle = ii_link->stmtHandle;
IIapi_getQueryInfo(&getQInfoParm);
ii_sync(&(getQInfoParm.gq_genParm));
if(ii_success(&(getQInfoParm.gq_genParm))==II_FAIL) {
RETURN_FALSE;
}
/* return the result */
if(getQInfoParm.gq_mask & IIAPI_GQ_ROW_COUNT) {
RETURN_LONG(getQInfoParm.gq_rowCount);
} else {
RETURN_LONG(0);
}
}
/* }}} */
/* {{{ proto int ingres_num_fields([resource link])
Return the number of fields returned by the last query */
PHP_FUNCTION(ingres_num_fields)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || zend_get_parameters_ex(argc, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc < 1) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
RETURN_LONG(ii_link->fieldCount);
}
/* }}} */
#define II_FIELD_INFO_NAME 1
#define II_FIELD_INFO_TYPE 2
#define II_FIELD_INFO_NULLABLE 3
#define II_FIELD_INFO_LENGTH 4
#define II_FIELD_INFO_PRECISION 5
#define II_FIELD_INFO_SCALE 6
/* Return information about a field in a query result
*/
static void php_ii_field_info(INTERNAL_FUNCTION_PARAMETERS, int info_type)
{
zval **idx, **link;
int argc;
int link_id = -1;
char *name, *fun_name;
int index;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc < 1 || argc > 2 || zend_get_parameters_ex(argc, &idx, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc < 2) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
convert_to_long_ex(idx);
index = Z_LVAL_PP(idx);
if(index < 1 || index > ii_link->fieldCount) {
switch(info_type) {
case II_FIELD_INFO_NAME:
fun_name = "ii_field_name";
break;
case II_FIELD_INFO_TYPE:
fun_name = "ii_field_type";
break;
case II_FIELD_INFO_NULLABLE:
fun_name = "ii_field_nullable";
break;
case II_FIELD_INFO_LENGTH:
fun_name = "ii_field_length";
break;
case II_FIELD_INFO_PRECISION:
fun_name = "ii_field_precision";
break;
case II_FIELD_INFO_SCALE:
fun_name = "ii_field_scale";
break;
default:
break;
}
php_error(E_WARNING,"Ingres II: %s() called with wrong index (%d)",fun_name,index);
RETURN_FALSE;
}
switch (info_type) {
case II_FIELD_INFO_NAME:
name = php_ii_field_name(ii_link, index);
if(name == NULL) {
RETURN_FALSE;
}
RETURN_STRING(name, 1);
break;
case II_FIELD_INFO_TYPE:
switch((ii_link->descriptor[index - 1]).ds_dataType) {
case IIAPI_BYTE_TYPE: RETURN_STRING("IIAPI_BYTE_TYPE",1);
case IIAPI_CHA_TYPE: RETURN_STRING("IIAPI_CHA_TYPE",1);
case IIAPI_CHR_TYPE: RETURN_STRING("IIAPI_CHR_TYPE",1);
case IIAPI_DEC_TYPE: RETURN_STRING("IIAPI_DEC_TYPE",1);
case IIAPI_DTE_TYPE: RETURN_STRING("IIAPI_DTE_TYPE",1);
case IIAPI_FLT_TYPE: RETURN_STRING("IIAPI_FLT_TYPE",1);
case IIAPI_INT_TYPE: RETURN_STRING("IIAPI_INT_TYPE",1);
case IIAPI_LOGKEY_TYPE: RETURN_STRING("IIAPI_LOGKEY_TYPE",1);
case IIAPI_LBYTE_TYPE: RETURN_STRING("IIAPI_LBYTE_TYPE",1);
case IIAPI_LVCH_TYPE: RETURN_STRING("IIAPI_LVCH_TYPE",1);
case IIAPI_MNY_TYPE: RETURN_STRING("IIAPI_MNY_TYPE",1);
case IIAPI_TABKEY_TYPE: RETURN_STRING("IIAPI_TABKEY_TYPE",1);
case IIAPI_TXT_TYPE: RETURN_STRING("IIAPI_TXT_TYPE",1);
case IIAPI_VBYTE_TYPE: RETURN_STRING("IIAPI_VBYTE_TYPE",1);
case IIAPI_VCH_TYPE: RETURN_STRING("IIAPI_VCH_TYPE",1);
default:
php_error(E_WARNING,"Ingres II: Unknown Ingres data type");
RETURN_FALSE;
break;
}
break;
case II_FIELD_INFO_NULLABLE:
if((ii_link->descriptor[index - 1]).ds_nullable) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
break;
case II_FIELD_INFO_LENGTH:
RETURN_LONG((ii_link->descriptor[index - 1]).ds_length);
break;
case II_FIELD_INFO_PRECISION:
RETURN_LONG((ii_link->descriptor[index - 1]).ds_precision);
break;
case II_FIELD_INFO_SCALE:
RETURN_LONG((ii_link->descriptor[index - 1]).ds_scale);
break;
default:
RETURN_FALSE;
}
}
/* Return the name of a field in a query result
*/
static char *php_ii_field_name(II_LINK *ii_link, int index)
{
if(index < 1 || index > ii_link->fieldCount) {
php_error(E_WARNING,"Ingres II: php_ii_field_name() called with wrong index (%d)",index);
return NULL;
}
return (ii_link->descriptor[index - 1]).ds_columnName;
}
/* {{{ proto string ingres_field_name(int index [, resource link])
Return the name of a field in a query result index must be >0 and <= ingres_num_fields() */
PHP_FUNCTION(ingres_field_name)
{
php_ii_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, II_FIELD_INFO_NAME);
}
/* }}} */
/* {{{ proto string ingres_field_type(int index [, resource link])
Return the type of a field in a query result index must be >0 and <= ingres_num_fields() */
PHP_FUNCTION(ingres_field_type)
{
php_ii_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, II_FIELD_INFO_TYPE);
}
/* }}} */
/* {{{ proto string ingres_field_nullable(int index [, resource link])
Return true if the field is nullable and false otherwise index must be >0 and <= ingres_num_fields() */
PHP_FUNCTION(ingres_field_nullable)
{
php_ii_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, II_FIELD_INFO_NULLABLE);
}
/* }}} */
/* {{{ proto string ingres_field_length(int index [, resource link])
Return the length of a field in a query result index must be >0 and <= ingres_num_fields() */
PHP_FUNCTION(ingres_field_length)
{
php_ii_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, II_FIELD_INFO_LENGTH);
}
/* }}} */
/* {{{ proto string ingres_field_precision(int index [, resource link])
Return the precision of a field in a query result index must be >0 and <= ingres_num_fields() */
PHP_FUNCTION(ingres_field_precision)
{
php_ii_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, II_FIELD_INFO_PRECISION);
}
/* }}} */
/* {{{ proto string ingres_field_scale(int index [, resource link])
Return the scale of a field in a query result index must be >0 and <= ingres_num_fields() */
PHP_FUNCTION(ingres_field_scale)
{
php_ii_field_info(INTERNAL_FUNCTION_PARAM_PASSTHRU, II_FIELD_INFO_SCALE);
}
/* }}} */
/* Convert complex Ingres data types to php-usable ones
*/
#define IIAPI_CONVERT(destType,destSize,precision) {\
convertParm.cv_srcDesc.ds_dataType = (ii_link->descriptor[i+k-2]).ds_dataType;\
convertParm.cv_srcDesc.ds_nullable = (ii_link->descriptor[i+k-2]).ds_nullable;\
convertParm.cv_srcDesc.ds_length = (ii_link->descriptor[i+k-2]).ds_length;\
convertParm.cv_srcDesc.ds_precision = (ii_link->descriptor[i+k-2]).ds_precision;\
convertParm.cv_srcDesc.ds_scale = (ii_link->descriptor[i+k-2]).ds_scale;\
convertParm.cv_srcDesc.ds_columnType = (ii_link->descriptor[i+k-2]).ds_columnType;\
convertParm.cv_srcDesc.ds_columnName = (ii_link->descriptor[i+k-2]).ds_columnName;\
convertParm.cv_srcValue.dv_null = columnData[k-1].dv_null;\
convertParm.cv_srcValue.dv_length = columnData[k-1].dv_length;\
convertParm.cv_srcValue.dv_value = columnData[k-1].dv_value;\
convertParm.cv_dstDesc.ds_dataType = destType;\
convertParm.cv_dstDesc.ds_nullable = FALSE;\
convertParm.cv_dstDesc.ds_length = destSize;\
convertParm.cv_dstDesc.ds_precision = precision;\
convertParm.cv_dstDesc.ds_scale = 0;\
convertParm.cv_dstDesc.ds_columnType = IIAPI_COL_TUPLE;\
convertParm.cv_dstDesc.ds_columnName = NULL;\
convertParm.cv_dstValue.dv_null = FALSE;\
convertParm.cv_dstValue.dv_length = convertParm.cv_dstDesc.ds_length;\
convertParm.cv_dstValue.dv_value = emalloc(convertParm.cv_dstDesc.ds_length+1);\
\
IIapi_convertData(&convertParm);\
\
if(ii_success(&(getColParm.gc_genParm))!=II_OK) {\
RETURN_FALSE;\
}\
\
columnData[k-1].dv_length = convertParm.cv_dstValue.dv_length;\
columnData[k-1].dv_value = convertParm.cv_dstValue.dv_value;\
efree(convertParm.cv_srcValue.dv_value);}
/* Fetch a row of result
*/
static void php_ii_fetch(INTERNAL_FUNCTION_PARAMETERS, II_LINK *ii_link, int result_type)
{
IIAPI_GETCOLPARM getColParm;
IIAPI_DATAVALUE *columnData;
IIAPI_CONVERTPARM convertParm;
int i,j,k;
int more;
double value_double;
long value_long;
char *value_char_p;
int len, should_copy, correct_length;
PLS_FETCH();
/* array initialization */
if (array_init(return_value)==FAILURE) {
RETURN_FALSE;
}
/* going through all fields */
for (i=1; i<=ii_link->fieldCount;) {
j = 1;
/* as long as there are no long byte or long varchar fields,
Ingres is able to fetch many fields at a time, so try to find
these types and stop if they're found.
variable j will get number of fields to fetch */
if ((ii_link->descriptor[i]).ds_dataType != IIAPI_LBYTE_TYPE &&
(ii_link->descriptor[i]).ds_dataType != IIAPI_LVCH_TYPE) {
while ((ii_link->descriptor[i+j-1]).ds_dataType != IIAPI_LBYTE_TYPE &&
(ii_link->descriptor[i+j-1]).ds_dataType != IIAPI_LVCH_TYPE &&
i+j <= ii_link->fieldCount) {
j++;
}
}
/* allocate memory for j fields */
columnData = (IIAPI_DATAVALUE *) emalloc(j*sizeof(IIAPI_DATAVALUE));
for(k=1; k<=j; k++) {
columnData[k-1].dv_value = (II_PTR) emalloc((ii_link->descriptor[i+k-2]).ds_length);
}
more = 1; /* this is for multi segment LBYTE and LVCH elements */
while (more) {
getColParm.gc_genParm.gp_callback = NULL;
getColParm.gc_genParm.gp_closure = NULL;
getColParm.gc_rowCount = 1;
getColParm.gc_columnCount = j;
getColParm.gc_columnData = columnData;
getColParm.gc_stmtHandle = ii_link->stmtHandle;
getColParm.gc_moreSegments = 0;
IIapi_getColumns(&getColParm);
ii_sync(&(getColParm.gc_genParm));
if(ii_success(&(getColParm.gc_genParm))!=II_OK) {
RETURN_FALSE;
}
more = getColParm.gc_moreSegments;
if(more){ /* more segments of LBYTE or LVCH element to come */
/* Multi segment LBYTE and LVCH elements not supported yet */
php_error(E_ERROR,"Ingres II: Multi segment LBYTE and LVCH elements not supported yet");
} else {
for(k=1; k<=j; k++) {
if(columnData[k-1].dv_null) { /* NULL value ? */
if(result_type & II_NUM) {
add_index_unset(return_value, i+k-1);
}
if(result_type & II_ASSOC) {
add_assoc_unset(return_value, php_ii_field_name(ii_link, i+k-1));
}
} else { /* non NULL value */
correct_length = 0;
switch((ii_link->descriptor[i+k-2]).ds_dataType) {
case IIAPI_DEC_TYPE: /* decimal (fixed point number) */
case IIAPI_MNY_TYPE: /* money */
/* convert to floating point number */
IIAPI_CONVERT(IIAPI_FLT_TYPE,sizeof(II_FLOAT8),53);
/* NO break */
case IIAPI_FLT_TYPE: /* floating point number */
switch(columnData[k-1].dv_length) {
case 4:
value_double = (double) *((II_FLOAT4 *) columnData[k-1].dv_value);
break;
case 8:
value_double = (double) *((II_FLOAT8 *) columnData[k-1].dv_value);
break;
default:
php_error(E_WARNING,"Ingres II: Invalid size for IIAPI_FLT_TYPE data (%d)",columnData[k-1].dv_length);
break;
}
if(result_type & II_NUM) {
add_index_double(return_value, i+k-1, value_double);
}
if(result_type & II_ASSOC) {
add_assoc_double(return_value, php_ii_field_name(ii_link, i+k-1), value_double);
}
break;
case IIAPI_INT_TYPE: /* integer */
switch(columnData[k-1].dv_length) {
case 1:
value_long = (long) *((II_INT1 *) columnData[k-1].dv_value);
break;
case 2:
value_long = (long) *((II_INT2 *) columnData[k-1].dv_value);
break;
case 4:
value_long = (long) *((II_INT4 *) columnData[k-1].dv_value);
break;
default:
php_error(E_WARNING,"Ingres II: Invalid size for IIAPI_INT_TYPE data (%d)",columnData[k-1].dv_length);
break;
}
if(result_type & II_NUM) {
add_index_long(return_value, i+k-1, value_long);
}
if(result_type & II_ASSOC) {
add_assoc_long(return_value, php_ii_field_name(ii_link, i+k-1), value_long);
}
break;
case IIAPI_TXT_TYPE: /* variable length character string */
case IIAPI_VBYTE_TYPE: /* variable length binary string */
case IIAPI_VCH_TYPE: /* variable length character string */
/* real length is stored in first 2 bytes of data, so adjust
length variable and data pointer */
columnData[k-1].dv_length = *((II_INT2 *) columnData[k-1].dv_value);
((II_INT2 *)columnData[k-1].dv_value)++;
correct_length = 1;
/* NO break */
case IIAPI_BYTE_TYPE: /* fixed length binary string */
case IIAPI_CHA_TYPE: /* fixed length character string */
case IIAPI_CHR_TYPE: /* fixed length character string */
case IIAPI_LOGKEY_TYPE: /* value unique to database */
case IIAPI_TABKEY_TYPE: /* value unique to table */
case IIAPI_DTE_TYPE: /* date */
/* eventualy convert date to string */
if((ii_link->descriptor[i+k-2]).ds_dataType==IIAPI_DTE_TYPE) {
IIAPI_CONVERT(IIAPI_CHA_TYPE,32,0);
}
/* use php_addslashes if asked to */
if(PG(magic_quotes_runtime)) {
value_char_p = php_addslashes((char *) columnData[k-1].dv_value,columnData[k-1].dv_length,&len,0);
should_copy = 0;
} else {
value_char_p = (char *) columnData[k-1].dv_value;
len = columnData[k-1].dv_length;
should_copy = 1;
}
if(result_type & II_NUM) {
add_index_stringl(return_value, i+k-1, value_char_p, len, should_copy);
}
if(result_type & II_ASSOC) {
add_assoc_stringl(return_value, php_ii_field_name(ii_link, i+k-1), value_char_p, len, should_copy);
}
/* eventualy restore data pointer state for
variable length data types */
if(correct_length) {
((II_INT2 *)columnData[k-1].dv_value)--;
}
break;
default:
php_error(E_WARNING,"Ingres II: Invalid SQL data type in fetched field (%d -- length : %d)",(ii_link->descriptor[i+k-2]).ds_dataType,columnData[k-1].dv_length);
break;
}
}
}
}
}
/* free the memory buffers */
for(k=1; k<=j; k++) {
efree(columnData[k-1].dv_value);
}
efree(columnData);
/* increase field pointer by number of fetched fields */
i+=j;
}
}
/* {{{ proto array ingres_fetch_array([int result_type [, resource link]])
Fetch a row of result into an array result_type can be II_NUM for enumerated array, II_ASSOC for associative array, or II_BOTH (default) */
PHP_FUNCTION(ingres_fetch_array)
{
zval **result_type, **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 2 || zend_get_parameters_ex(argc, &result_type, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc != 2) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
if (argc != 0) {
convert_to_long_ex(result_type);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
php_ii_fetch(INTERNAL_FUNCTION_PARAM_PASSTHRU, ii_link,
(argc == 0 ? II_BOTH : Z_LVAL_PP(result_type)));
}
/* }}} */
/* {{{ proto array ingres_fetch_row([resource link])
Fetch a row of result into an enumerated array */
PHP_FUNCTION(ingres_fetch_row)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || zend_get_parameters_ex(argc, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc != 1) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
php_ii_fetch(INTERNAL_FUNCTION_PARAM_PASSTHRU, ii_link, II_NUM);
}
/* }}} */
/* {{{ proto array ingres_fetch_object([int result_type [, resource link]])
Fetch a row of result into an object result_type can be II_NUM for enumerated object, II_ASSOC for associative object, or II_BOTH (default) */
PHP_FUNCTION(ingres_fetch_object)
{
zval **result_type, **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 2 || zend_get_parameters_ex(argc, &result_type, &link) == FAILURE){
WRONG_PARAM_COUNT;
}
if (argc != 2) {
link_id = php_ii_get_default_link(INTERNAL_FUNCTION_PARAM_PASSTHRU IILS_CC);
}
if (argc != 0) {
convert_to_long_ex(result_type);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
php_ii_fetch(INTERNAL_FUNCTION_PARAM_PASSTHRU, ii_link,
(argc == 0 ? II_BOTH : Z_LVAL_PP(result_type)));
if(Z_TYPE_P(return_value)==IS_ARRAY) {
convert_to_object(return_value);
}
}
/* }}} */
/* {{{ proto bool ingres_rollback([resource link])
Roll back a transaction */
PHP_FUNCTION(ingres_rollback)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || (argc && zend_get_parameters_ex(argc, &link) == FAILURE)){
WRONG_PARAM_COUNT;
}
if (argc == 0) {
link_id = IIG(default_link);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
if(_rollback_transaction(ii_link)) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ingres_commit([resource link])
Commit a transaction */
PHP_FUNCTION(ingres_commit)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IIAPI_COMMITPARM commitParm;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || (argc && zend_get_parameters_ex(argc, &link) == FAILURE)){
WRONG_PARAM_COUNT;
}
if (argc == 0) {
link_id = IIG(default_link);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
if(ii_link->stmtHandle && _close_statement(ii_link)) {
php_error(E_WARNING,"Ingres II: Unable to close statement !!");
RETURN_FALSE;
}
commitParm.cm_genParm.gp_callback = NULL;
commitParm.cm_genParm.gp_closure = NULL;
commitParm.cm_tranHandle = ii_link->tranHandle;
IIapi_commit(&commitParm);
ii_sync(&(commitParm.cm_genParm));
if(ii_success(&(commitParm.cm_genParm))==II_FAIL) {
RETURN_FALSE;
}
ii_link->tranHandle = NULL;
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool ingres_autocommit([resource link])
Switch autocommit on or off */
PHP_FUNCTION(ingres_autocommit)
{
zval **link;
int argc;
int link_id = -1;
II_LINK *ii_link;
IIAPI_AUTOPARM autoParm;
IILS_FETCH();
argc = ZEND_NUM_ARGS();
if (argc > 1 || (argc && zend_get_parameters_ex(argc, &link) == FAILURE)){
WRONG_PARAM_COUNT;
}
if (argc == 0) {
link_id = IIG(default_link);
}
ZEND_FETCH_RESOURCE2(ii_link, II_LINK *, link, link_id, "Ingres II Link", le_ii_link, le_ii_plink);
autoParm.ac_genParm.gp_callback = NULL;
autoParm.ac_genParm.gp_closure = NULL;
autoParm.ac_connHandle = ii_link->connHandle;
autoParm.ac_tranHandle = ii_link->tranHandle;
IIapi_autocommit(&autoParm);
ii_sync(&(autoParm.ac_genParm));
if(ii_success(&(autoParm.ac_genParm))==II_FAIL) {
RETURN_FALSE;
}
ii_link->tranHandle = autoParm.ac_tranHandle;
RETURN_TRUE;
}
/* }}} */
#endif /* HAVE_II */
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