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-rw-r--r--ext/interbase/ibase_events.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/ext/interbase/ibase_events.c b/ext/interbase/ibase_events.c
deleted file mode 100644
index c8b59ebe12..0000000000
--- a/ext/interbase/ibase_events.c
+++ /dev/null
@@ -1,385 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP Version 5 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2005 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.0 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_0.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: Ard Biesheuvel <a.k.biesheuvel@its.tudelft.nl> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "php.h"
-
-#if HAVE_IBASE
-
-#include "php_interbase.h"
-#include "php_ibase_includes.h"
-
-static int le_event;
-
-static void _php_ibase_event_free(char *event_buf, char *result_buf) /* {{{ */
-{
- isc_free(event_buf);
- isc_free(result_buf);
-}
-/* }}} */
-
-void _php_ibase_free_event(ibase_event *event TSRMLS_DC) /* {{{ */
-{
- unsigned short i;
-
- event->state = DEAD;
-
- if (event->link != NULL) {
- ibase_event **node;
-
- if (event->link->handle != NULL &&
- isc_cancel_events(IB_STATUS, &event->link->handle, &event->event_id)) {
- _php_ibase_error(TSRMLS_C);
- }
-
- /* delete this event from the link struct */
- for (node = &event->link->event_head; *node != event; node = &(*node)->event_next);
- *node = event->event_next;
- }
-
- if (event->callback) {
- zval_dtor(event->callback);
- FREE_ZVAL(event->callback);
- event->callback = NULL;
-
- _php_ibase_event_free(event->event_buffer,event->result_buffer);
-
- for (i = 0; i < event->event_count; ++i) {
- efree(event->events[i]);
- }
- efree(event->events);
- }
-}
-/* }}} */
-
-static void _php_ibase_free_event_rsrc(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
-{
- ibase_event *e = (ibase_event *) rsrc->ptr;
-
- _php_ibase_free_event(e TSRMLS_CC);
-
- efree(e);
-}
-/* }}} */
-
-void php_ibase_events_minit(INIT_FUNC_ARGS) /* {{{ */
-{
- le_event = zend_register_list_destructors_ex(_php_ibase_free_event_rsrc, NULL,
- "interbase event", module_number);
-}
-/* }}} */
-
-static void _php_ibase_event_block(ibase_db_link *ib_link, unsigned short count, /* {{{ */
- char **events, unsigned short *l, char **event_buf, char **result_buf)
-{
- ISC_STATUS dummy_result[20];
- unsigned long dummy_count[15];
-
- /**
- * Unfortunately, there's no clean and portable way in C to pass arguments to
- * a variadic function if you don't know the number of arguments at compile time.
- * (And even if there were a way, the Interbase API doesn't provide a version of
- * this function that takes a va_list as an argument)
- *
- * In this case, the number of arguments is limited to 18 by the underlying API,
- * so we can work around it.
- */
-
- *l = (unsigned short) isc_event_block(event_buf, result_buf, count, events[0],
- events[1], events[2], events[3], events[4], events[5], events[6], events[7],
- events[8], events[9], events[10], events[11], events[12], events[13], events[14]);
-
- /**
- * Currently, this is the only way to correctly initialize an event buffer.
- * This is clearly something that should be fixed, cause the semantics of
- * isc_wait_for_event() indicate that it blocks until an event occurs.
- * If the Firebird people ever fix this, these lines should be removed,
- * otherwise, events will have to fire twice before ibase_wait_event() returns.
- */
-
- isc_wait_for_event(dummy_result, &ib_link->handle, *l, *event_buf, *result_buf);
- isc_event_counts(dummy_count, *l, *event_buf, *result_buf);
-}
-/* }}} */
-
-/* {{{ proto string ibase_wait_event([resource link_identifier,] string event [, string event [, ...]])
- Waits for any one of the passed Interbase events to be posted by the database, and returns its name */
-PHP_FUNCTION(ibase_wait_event)
-{
- zval **args[16];
- ibase_db_link *ib_link;
- char *event_buffer, *result_buffer, *events[15];
- unsigned short i = 0, event_count = 0, buffer_size;
- unsigned long occurred_event[15];
-
- RESET_ERRMSG;
-
- /* no more than 15 events */
- if (ZEND_NUM_ARGS() < 1 || ZEND_NUM_ARGS() > 16) {
- WRONG_PARAM_COUNT;
- }
-
- if (zend_get_parameters_array_ex(ZEND_NUM_ARGS(), args) == FAILURE) {
- RETURN_FALSE;
- }
-
- if (Z_TYPE_PP(args[0]) == IS_RESOURCE) {
-
- ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, args[0], -1, "InterBase link", le_link, le_plink);
- i = 1;
-
- } else {
-
- if (ZEND_NUM_ARGS() > 15) {
- WRONG_PARAM_COUNT;
- }
-
- ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, NULL, IBG(default_link), "InterBase link", le_link, le_plink);
- }
-
- for (; i < ZEND_NUM_ARGS(); ++i) {
- convert_to_string_ex(args[i]);
- events[event_count++] = Z_STRVAL_PP(args[i]);
- }
-
- /* fills the required data structure with information about the events */
- _php_ibase_event_block(ib_link, event_count, events, &buffer_size, &event_buffer, &result_buffer);
-
- /* now block until an event occurs */
- if (isc_wait_for_event(IB_STATUS, &ib_link->handle, buffer_size, event_buffer, result_buffer)) {
- _php_ibase_error(TSRMLS_C);
- _php_ibase_event_free(event_buffer,result_buffer);
- RETURN_FALSE;
- }
-
- /* find out which event occurred */
- isc_event_counts(occurred_event, buffer_size, event_buffer, result_buffer);
- for (i = 0; i < event_count; ++i) {
- if (occurred_event[i]) {
- char *result = estrdup(events[i]);
- _php_ibase_event_free(event_buffer,result_buffer);
- RETURN_STRING(result,0);
- }
- }
-
- /* If we reach this line, isc_wait_for_event() did return, but we don't know
- which event fired. */
- _php_ibase_event_free(event_buffer,result_buffer);
- RETURN_FALSE;
-}
-/* }}} */
-
-static isc_callback _php_ibase_callback(ibase_event *event, /* {{{ */
- unsigned short buffer_size, char *result_buf)
-{
- /* this function is called asynchronously by the Interbase client library. */
- TSRMLS_FETCH_FROM_CTX(event->thread_ctx);
-
- /**
- * The callback function is called when the event is first registered and when the event
- * is cancelled. I consider this is a bug. By clearing event->callback first and setting
- * it to -1 later, we make sure nothing happens if no event was actually posted.
- */
- switch (event->state) {
- unsigned short i;
- unsigned long occurred_event[15];
- zval event_name, link_id, return_value, *args[2];
-
- default: /* == DEAD */
- break;
- case ACTIVE:
- args[0] = &event_name;
- args[1] = &link_id;
-
- /* copy the updated results into the result buffer */
- memcpy(event->result_buffer, result_buf, buffer_size);
-
- INIT_ZVAL(event_name);
- INIT_ZVAL(link_id);
- ZVAL_RESOURCE(&link_id, event->link_res_id);
-
- /* find out which event occurred */
- isc_event_counts(occurred_event, buffer_size, event->event_buffer, event->result_buffer);
- for (i = 0; i < event->event_count; ++i) {
- if (occurred_event[i]) {
- ZVAL_STRING(&event_name,event->events[i],0);
- break;
- }
- }
-
- /* call the callback provided by the user */
- if (SUCCESS != call_user_function(EG(function_table), NULL,
- event->callback, &return_value, 2, args TSRMLS_CC)) {
- _php_ibase_module_error("Error calling callback %s" TSRMLS_CC, Z_STRVAL_P(event->callback));
- break;
- }
-
- if (Z_TYPE(return_value) == IS_BOOL && !Z_BVAL(return_value)) {
- event->state = DEAD;
- break;
- }
- case NEW:
- /* re-register the event */
- if (isc_que_events(IB_STATUS, &event->link->handle, &event->event_id, buffer_size,
- event->event_buffer,(isc_callback)_php_ibase_callback, (void *)event)) {
-
- _php_ibase_error(TSRMLS_C);
- }
- event->state = ACTIVE;
- }
- return 0;
-}
-/* }}} */
-
-/* {{{ proto resource ibase_set_event_handler([resource link_identifier,] callback handler, string event [, string event [, ...]])
- Register the callback for handling each of the named events */
-PHP_FUNCTION(ibase_set_event_handler)
-{
- /**
- * The callback passed to this function should take an event name (string) and a
- * link resource id (int) as arguments. The value returned from the function is
- * used to determine if the event handler should remain set.
- */
-
- zval **args[17], **cb_arg;
- ibase_db_link *ib_link;
- ibase_event *event;
- unsigned short i = 1, buffer_size;
- int link_res_id;
-
- RESET_ERRMSG;
-
- /* no more than 15 events */
- if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > 17) {
- WRONG_PARAM_COUNT;
- }
-
- if (zend_get_parameters_array_ex(ZEND_NUM_ARGS(), args) == FAILURE) {
- RETURN_FALSE;
- }
-
- /* get a working link */
- if (Z_TYPE_PP(args[0]) != IS_STRING) {
-
- cb_arg = args[1];
- i = 2;
-
- ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, args[0], -1,
- "InterBase link", le_link, le_plink);
-
- convert_to_long_ex(args[0]);
- link_res_id = Z_LVAL_PP(args[0]);
-
- } else {
-
- if (ZEND_NUM_ARGS() > 16) {
- WRONG_PARAM_COUNT;
- }
-
- cb_arg = args[0];
-
- ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, NULL, IBG(default_link),
- "InterBase link", le_link, le_plink);
- link_res_id = IBG(default_link);
- }
-
- /* get the callback */
- if (!zend_is_callable(*cb_arg, 0, NULL)) {
- _php_ibase_module_error("Callback argument %s is not a callable function"
- TSRMLS_CC, Z_STRVAL_PP(cb_arg));
- RETURN_FALSE;
- }
-
- /* allocate the event resource */
- event = (ibase_event *) safe_emalloc(sizeof(ibase_event), 1, 0);
- TSRMLS_SET_CTX(event->thread_ctx);
- event->link_res_id = link_res_id;
- event->link = ib_link;
- event->event_count = 0;
- event->state = NEW;
- event->events = (char **) safe_emalloc(sizeof(char *),ZEND_NUM_ARGS()-i,0);
-
- ALLOC_ZVAL(event->callback);
- *event->callback = **cb_arg;
- INIT_PZVAL(event->callback);
- zval_copy_ctor(event->callback);
-
- for (; i < ZEND_NUM_ARGS(); ++i) {
- convert_to_string_ex(args[i]);
- event->events[event->event_count++] = estrdup(Z_STRVAL_PP(args[i]));
- }
-
- /* fills the required data structure with information about the events */
- _php_ibase_event_block(ib_link, event->event_count, event->events,
- &buffer_size, &event->event_buffer, &event->result_buffer);
-
- /* now register the events with the Interbase API */
- if (isc_que_events(IB_STATUS, &ib_link->handle, &event->event_id, buffer_size,
- event->event_buffer,(isc_callback)_php_ibase_callback, (void *)event)) {
-
- _php_ibase_error(TSRMLS_C);
- efree(event);
- RETURN_FALSE;
- }
-
- event->event_next = ib_link->event_head;
- ib_link->event_head = event;
-
- ZEND_REGISTER_RESOURCE(return_value, event, le_event);
- zend_list_addref(Z_LVAL_P(return_value));
-}
-/* }}} */
-
-/* {{{ proto bool ibase_free_event_handler(resource event)
- Frees the event handler set by ibase_set_event_handler() */
-PHP_FUNCTION(ibase_free_event_handler)
-{
- zval *event_arg;
-
- RESET_ERRMSG;
-
- if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &event_arg)) {
- ibase_event *event;
-
- ZEND_FETCH_RESOURCE(event, ibase_event *, &event_arg, -1, "Interbase event", le_event);
-
- event->state = DEAD;
-
- zend_list_delete(Z_LVAL_P(event_arg));
- RETURN_TRUE;
- } else {
- RETURN_FALSE;
- }
-}
-/* }}} */
-
-#endif /* HAVE_IBASE */
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
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