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|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Stig Sæther Bakken <ssb@php.net> |
| Thies C. Arntzen <thies@thieso.net> |
| |
| Collection support by Andy Sautins <asautins@veripost.net> |
| Temporary LOB support by David Benson <dbenson@mancala.com> |
| ZTS per process OCIPLogon by Harald Radi <harald.radi@nme.at> |
| |
| Redesigned by: Antony Dovgal <antony@zend.com> |
| Andi Gutmans <andi@php.net> |
| Wez Furlong <wez@omniti.com> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "php_ini.h"
#if HAVE_OCI8
#include "php_oci8.h"
#include "php_oci8_int.h"
/* {{{ callback_fn()
OCI TAF callback function, calling userspace function */
sb4 callback_fn(void *svchp, void *envhp, void *fo_ctx, ub4 fo_type, ub4 fo_event)
{
/* Create zval */
zval retval, params[3];
php_oci_connection *connection = (php_oci_connection*)fo_ctx;
/* Default return value */
sb4 returnValue = 0;
/* Check if userspace callback function was unregistered */
if (Z_ISUNDEF(connection->taf_callback) || Z_ISNULL(connection->taf_callback)) {
return 0;
}
/* Initialize zval */
ZVAL_RES(¶ms[0], connection->id);
ZVAL_LONG(¶ms[1], fo_event);
ZVAL_LONG(¶ms[2], fo_type);
/* Call user function (if possible) */
if (call_user_function(NULL, NULL, &connection->taf_callback, &retval, 3, params) == FAILURE) {
php_error_docref(NULL, E_WARNING, "Unable to call Oracle TAF callback function");
}
/* Set return value */
if (Z_TYPE(retval) == IS_LONG) {
returnValue = (sb4) Z_LVAL(retval);
}
/* Setting params[0] to null so resource isn't destroyed on zval_dtor */
ZVAL_NULL(¶ms[0]);
/* Cleanup */
zval_ptr_dtor(&retval);
zval_ptr_dtor(¶ms[0]);
zval_ptr_dtor(¶ms[1]);
zval_ptr_dtor(¶ms[2]);
return returnValue;
}
/* }}} */
/* {{{ php_oci_unregister_taf_callback()
Unregister the userspace callback function for Oracle TAF,
while keeping the OCI callback alive */
int php_oci_unregister_taf_callback(php_oci_connection *connection)
{
return php_oci_register_taf_callback(connection, NULL);
}
/* }}} */
/* {{{ php_oci_register_taf_callback()
Register a callback function for Oracle TAF */
int php_oci_register_taf_callback(php_oci_connection *connection, zval *callback)
{
sword errstatus;
int registered = 0;
/* temporary failover callback structure */
OCIFocbkStruct failover;
if (!callback) {
/* Unregister callback */
if (Z_ISUNDEF(connection->taf_callback) || Z_ISNULL(connection->taf_callback)) {
return 0; // Nothing to unregister
}
registered = 1;
zval_ptr_dtor(&connection->taf_callback);
ZVAL_NULL(&connection->taf_callback);
} else {
if (!Z_ISUNDEF(connection->taf_callback)) {
registered = 1;
if (!Z_ISNULL(connection->taf_callback)) {
zval_ptr_dtor(&connection->taf_callback);
ZVAL_NULL(&connection->taf_callback);
}
}
/* Set userspace callback function */
ZVAL_COPY(&connection->taf_callback, callback);
}
/* OCI callback function already registered */
if (registered) {
return 0;
}
/* set context */
failover.fo_ctx = connection;
/* set callback function */
failover.callback_function = &callback_fn;
/* do the registration */
PHP_OCI_CALL_RETURN(errstatus, OCIAttrSet, (connection->server, (ub4) OCI_HTYPE_SERVER, (void *) &failover, (ub4) 0, (ub4) OCI_ATTR_FOCBK, connection->err));
if (errstatus != OCI_SUCCESS) {
zval_ptr_dtor(&connection->taf_callback);
ZVAL_UNDEF(&connection->taf_callback);
connection->errcode = php_oci_error(connection->err, errstatus);
return 1;
}
/* successful conclusion */
return 0;
}
/* }}} */
#endif /* HAVE_OCI8 */
|
