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libevent.c
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libevent.c
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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. |
+----------------------------------------------------------------------+
| Author: Antony Dovgal <tony@daylessday.org> |
| Arnaud Le Blanc <lbarnaud@php.net> |
+----------------------------------------------------------------------+
* ZEND_MODULE_API_NO >= 20071006 required
*/
/* $Id: libevent.c 300303 2010-06-09 10:43:38Z tony2001 $ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "php_streams.h"
#include "php_network.h"
#include "php_libevent.h"
#include <signal.h>
#if PHP_VERSION_ID >= 50301 && (HAVE_SOCKETS || defined(COMPILE_DL_SOCKETS))
#include "ext/sockets/php_sockets.h"
#define LIBEVENT_SOCKETS_SUPPORT
#endif
#include <event.h>
//#include <event2/buffer_compat.h>
//#include <event2/event.h>
//#include <event2/buffer.h>
//#include <event2/bufferevent.h>
#if PHP_MAJOR_VERSION < 5
#ifdef PHP_WIN32
typedef SOCKET php_socket_t;
#else
typedef int php_socket_t;
#endif
#ifdef ZTS
#define TSRMLS_FETCH_FROM_CTX(ctx) void ***tsrm_ls = (void ***) ctx
#define TSRMLS_SET_CTX(ctx) ctx = (void ***) tsrm_ls
#else
#define TSRMLS_FETCH_FROM_CTX(ctx)
#define TSRMLS_SET_CTX(ctx)
#endif
#ifndef Z_ADDREF_P
#define Z_ADDREF_P(x) (x)->refcount++
#endif
#endif
static int le_event_base;
static int le_event;
static int le_bufferevent;
#ifdef COMPILE_DL_LIBEVENT
ZEND_GET_MODULE(libevent)
#endif
typedef struct _php_event_base_t { /* {{{ */
struct event_base *base;
int rsrc_id;
zend_uint events;
} php_event_base_t;
/* }}} */
typedef struct _php_event_callback_t { /* {{{ */
zval *func;
zval *arg;
} php_event_callback_t;
/* }}} */
typedef struct _php_event_t { /* {{{ */
struct event *event;
int rsrc_id;
int stream_id;
php_event_base_t *base;
php_event_callback_t *callback;
#ifdef ZTS
void ***thread_ctx;
#endif
int in_free;
} php_event_t;
/* }}} */
typedef struct _php_bufferevent_t { /* {{{ */
struct bufferevent *bevent;
int rsrc_id;
php_event_base_t *base;
zval *readcb;
zval *writecb;
zval *errorcb;
zval *arg;
#ifdef ZTS
void ***thread_ctx;
#endif
} php_bufferevent_t;
/* }}} */
#define ZVAL_TO_BASE(zval, base) \
ZEND_FETCH_RESOURCE(base, php_event_base_t *, &zval, -1, "event base", le_event_base)
#define ZVAL_TO_EVENT(zval, event) \
ZEND_FETCH_RESOURCE(event, php_event_t *, &zval, -1, "event", le_event)
#define ZVAL_TO_BEVENT(zval, bevent) \
ZEND_FETCH_RESOURCE(bevent, php_bufferevent_t *, &zval, -1, "buffer event", le_bufferevent)
#define CHECK_LOOP(evbase) \
if(EG(exception)) { \
event_base_loopbreak(evbase->base); \
}
/* {{{ internal funcs */
static inline void _php_event_callback_free(php_event_callback_t *callback) /* {{{ */ {
if (!callback) {
return;
}
zval_ptr_dtor(&callback->func);
if (callback->arg) {
zval_ptr_dtor(&callback->arg);
}
efree(callback);
}
/* }}} */
static void _php_event_base_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */ {
php_event_base_t *base = (php_event_base_t*) rsrc->ptr;
event_base_free(base->base);
efree(base);
}
/* }}} */
static void _php_event_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */ {
php_event_t *event = (php_event_t*) rsrc->ptr;
int base_id = -1;
if (event->in_free) {
return;
}
event->in_free = 1;
if (event->base) {
base_id = event->base->rsrc_id;
--event->base->events;
}
if (event->stream_id >= 0) {
zend_list_delete(event->stream_id);
}
event_del(event->event);
_php_event_callback_free(event->callback);
efree(event->event);
efree(event);
if (base_id >= 0) {
zend_list_delete(base_id);
}
}
/* }}} */
static void _php_bufferevent_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */ {
php_bufferevent_t *bevent = (php_bufferevent_t*) rsrc->ptr;
int base_id = -1;
if (bevent->base) {
base_id = bevent->base->rsrc_id;
--bevent->base->events;
}
if (bevent->readcb) {
zval_ptr_dtor(&(bevent->readcb));
}
if (bevent->writecb) {
zval_ptr_dtor(&(bevent->writecb));
}
if (bevent->errorcb) {
zval_ptr_dtor(&(bevent->errorcb));
}
if (bevent->arg) {
zval_ptr_dtor(&(bevent->arg));
}
bufferevent_free(bevent->bevent);
efree(bevent);
if (base_id >= 0) {
zend_list_delete(base_id);
}
}
/* }}} */
static void _php_event_callback(int fd, short events, void *arg) /* {{{ */ {
zval * args[3];
php_event_t * event = (php_event_t *) arg;
php_event_callback_t *callback;
zval retval;
TSRMLS_FETCH_FROM_CTX(event ? event->thread_ctx : NULL);
if (!event || !event->callback || !event->base) {
return;
}
callback = event->callback;
MAKE_STD_ZVAL(args[0]);
if (event->stream_id >= 0) {
ZVAL_RESOURCE(args[0], event->stream_id);
zend_list_addref(event->stream_id);
} else {
ZVAL_NULL(args[0]);
}
MAKE_STD_ZVAL(args[1]);
ZVAL_LONG(args[1], events);
args[2] = callback->arg;
Z_ADDREF_P(callback->arg);
if (call_user_function(EG(function_table), NULL, callback->func, &retval, 3, args TSRMLS_CC) == SUCCESS) {
zval_dtor(&retval);
}
zval_ptr_dtor(&(args[0]));
zval_ptr_dtor(&(args[1]));
zval_ptr_dtor(&(args[2]));
CHECK_LOOP(event->base);
}
/* }}} */
static void _php_bufferevent_readcb(struct bufferevent *be, void *arg) /* {{{ */ {
zval * args[2];
zval retval;
php_bufferevent_t *bevent = (php_bufferevent_t *) arg;
TSRMLS_FETCH_FROM_CTX(bevent ? bevent->thread_ctx : NULL);
if (!bevent || !bevent->base || !bevent->readcb) {
return;
}
MAKE_STD_ZVAL(args[0]);
ZVAL_RESOURCE(args[0], bevent->rsrc_id);
zend_list_addref(bevent->rsrc_id); /* we do refcount-- later in zval_ptr_dtor */
args[1] = bevent->arg;
Z_ADDREF_P(args[1]);
if (call_user_function(EG(function_table), NULL, bevent->readcb, &retval, 2, args TSRMLS_CC) == SUCCESS) {
zval_dtor(&retval);
}
zval_ptr_dtor(&(args[0]));
zval_ptr_dtor(&(args[1]));
CHECK_LOOP(bevent->base);
}
/* }}} */
static void _php_bufferevent_writecb(struct bufferevent *be, void *arg) /* {{{ */ {
zval * args[2];
zval retval;
php_bufferevent_t *bevent = (php_bufferevent_t *) arg;
TSRMLS_FETCH_FROM_CTX(bevent ? bevent->thread_ctx : NULL);
if (!bevent || !bevent->base || !bevent->writecb) {
return;
}
MAKE_STD_ZVAL(args[0]);
ZVAL_RESOURCE(args[0], bevent->rsrc_id);
zend_list_addref(bevent->rsrc_id); /* we do refcount-- later in zval_ptr_dtor */
args[1] = bevent->arg;
Z_ADDREF_P(args[1]);
if (call_user_function(EG(function_table), NULL, bevent->writecb, &retval, 2, args TSRMLS_CC) == SUCCESS) {
zval_dtor(&retval);
}
zval_ptr_dtor(&(args[0]));
zval_ptr_dtor(&(args[1]));
CHECK_LOOP(bevent->base);
}
/* }}} */
static void _php_bufferevent_errorcb(struct bufferevent *be, short what, void *arg) /* {{{ */ {
zval * args[3];
zval retval;
php_bufferevent_t *bevent = (php_bufferevent_t *) arg;
TSRMLS_FETCH_FROM_CTX(bevent ? bevent->thread_ctx : NULL);
if (!bevent || !bevent->base || !bevent->errorcb) {
return;
}
MAKE_STD_ZVAL(args[0]);
ZVAL_RESOURCE(args[0], bevent->rsrc_id);
zend_list_addref(bevent->rsrc_id); /* we do refcount-- later in zval_ptr_dtor */
MAKE_STD_ZVAL(args[1]);
ZVAL_LONG(args[1], what);
args[2] = bevent->arg;
Z_ADDREF_P(args[2]);
if (call_user_function(EG(function_table), NULL, bevent->errorcb, &retval, 3, args TSRMLS_CC) == SUCCESS) {
zval_dtor(&retval);
}
zval_ptr_dtor(&(args[0]));
zval_ptr_dtor(&(args[1]));
zval_ptr_dtor(&(args[2]));
CHECK_LOOP(bevent->base);
}
/* }}} */
/* }}} */
/* {{{ proto resource event_base_new()
*/
static PHP_FUNCTION(event_base_new) {
php_event_base_t *base;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") != SUCCESS) {
return;
}
base = emalloc(sizeof (php_event_base_t));
base->base = event_base_new();
if (!base->base) {
efree(base);
RETURN_FALSE;
}
base->events = 0;
base->rsrc_id = zend_list_insert(base, le_event_base);
RETURN_RESOURCE(base->rsrc_id);
}
/* }}} */
/* {{{ proto bool event_base_reinit()
*/
static PHP_FUNCTION(event_base_reinit) {
zval *zbase;
php_event_base_t *base;
int r = 0;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zbase) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
r = event_reinit(base->base);
if (r == -1) {
RETURN_FALSE
} else {
RETURN_TRUE;
}
}
/* }}} */
/* {{{ proto void event_base_free(resource base)
*/
static PHP_FUNCTION(event_base_free) {
zval *zbase;
php_event_base_t *base;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zbase) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
if (base->events > 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "base has events attached to it and cannot be freed");
RETURN_FALSE;
}
zend_list_delete(base->rsrc_id);
}
/* }}} */
/* {{{ proto int event_base_loop(resource base[, int flags])
*/
static PHP_FUNCTION(event_base_loop) {
zval *zbase;
php_event_base_t *base;
long flags = 0;
int ret;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &zbase, &flags) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
zend_list_addref(base->rsrc_id); /* make sure the base cannot be destroyed during the loop */
ret = event_base_loop(base->base, flags);
zend_list_delete(base->rsrc_id);
RETURN_LONG(ret);
}
/* }}} */
/* {{{ proto bool event_base_loopbreak(resource base)
*/
static PHP_FUNCTION(event_base_loopbreak) {
zval *zbase;
php_event_base_t *base;
int ret;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zbase) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
ret = event_base_loopbreak(base->base);
if (ret == 0) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool event_base_loopexit(resource base[, int timeout])
*/
static PHP_FUNCTION(event_base_loopexit) {
zval *zbase;
php_event_base_t *base;
int ret;
long timeout = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &zbase, &timeout) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
if (timeout < 0) {
ret = event_base_loopexit(base->base, NULL);
} else {
struct timeval time;
time.tv_usec = timeout % 1000000;
time.tv_sec = timeout / 1000000;
ret = event_base_loopexit(base->base, &time);
}
if (ret == 0) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool event_base_set(resource event, resource base)
*/
static PHP_FUNCTION(event_base_set) {
zval *zbase, *zevent;
php_event_base_t *base, *old_base;
php_event_t *event;
int ret;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &zevent, &zbase) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
ZVAL_TO_EVENT(zevent, event);
old_base = event->base;
ret = event_base_set(base->base, event->event);
if (ret == 0) {
if (base != old_base) {
/* make sure the base is destroyed after the event */
zend_list_addref(base->rsrc_id);
++base->events;
}
if (old_base) {
--old_base->events;
zend_list_delete(old_base->rsrc_id);
}
event->base = base;
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool event_base_priority_init(resource base, int npriorities)
*/
static PHP_FUNCTION(event_base_priority_init) {
zval *zbase;
php_event_base_t *base;
long npriorities;
int ret;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zbase, &npriorities) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
if (npriorities < 0) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "npriorities cannot be less than zero");
RETURN_FALSE;
}
ret = event_base_priority_init(base->base, npriorities);
if (ret == 0) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto resource event_new()
*/
static PHP_FUNCTION(event_new) {
php_event_t *event;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "") != SUCCESS) {
return;
}
event = emalloc(sizeof (php_event_t));
event->event = ecalloc(1, sizeof (struct event));
event->stream_id = -1;
event->callback = NULL;
event->base = NULL;
event->in_free = 0;
TSRMLS_SET_CTX(event->thread_ctx);
event->rsrc_id = zend_list_insert(event, le_event);
RETURN_RESOURCE(event->rsrc_id);
}
/* }}} */
/* {{{ proto void event_free(resource event)
*/
static PHP_FUNCTION(event_free) {
zval *zevent;
php_event_t *event;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zevent) != SUCCESS) {
return;
}
ZVAL_TO_EVENT(zevent, event);
zend_list_delete(event->rsrc_id);
}
/* }}} */
/* {{{ proto bool event_add(resource event[, int timeout])
*/
static PHP_FUNCTION(event_add) {
zval *zevent;
php_event_t *event;
int ret;
long timeout = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &zevent, &timeout) != SUCCESS) {
return;
}
ZVAL_TO_EVENT(zevent, event);
if (!event->base) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to add event without an event base");
RETURN_FALSE;
}
if (timeout < 0) {
ret = event_add(event->event, NULL);
} else {
struct timeval time;
time.tv_usec = timeout % 1000000;
time.tv_sec = timeout / 1000000;
ret = event_add(event->event, &time);
}
if (ret != 0) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool event_set(resource event, resource fd, int events, mixed callback[, mixed arg])
*/
static PHP_FUNCTION(event_set) {
zval *zevent, **fd, *zcallback, *zarg = NULL;
php_event_t *event;
long events;
php_event_callback_t *callback, *old_callback;
char *func_name;
php_stream *stream;
php_socket_t file_desc;
#ifdef LIBEVENT_SOCKETS_SUPPORT
php_socket *php_sock;
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rZlz|z", &zevent, &fd, &events, &zcallback, &zarg) != SUCCESS) {
return;
}
ZVAL_TO_EVENT(zevent, event);
if (events & EV_SIGNAL) {
/* signal support */
convert_to_long_ex(fd);
file_desc = Z_LVAL_PP(fd);
if (file_desc < 0 || file_desc >= NSIG) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "invalid signal passed");
RETURN_FALSE;
}
} else {
if (ZEND_FETCH_RESOURCE_NO_RETURN(stream, php_stream *, fd, -1, NULL, php_file_le_stream())) {
if (php_stream_cast(stream, PHP_STREAM_AS_FD_FOR_SELECT | PHP_STREAM_CAST_INTERNAL, (void*) &file_desc, 1) != SUCCESS || file_desc < 0) {
RETURN_FALSE;
}
} else {
#ifdef LIBEVENT_SOCKETS_SUPPORT
if (ZEND_FETCH_RESOURCE_NO_RETURN(php_sock, php_socket *, fd, -1, NULL, php_sockets_le_socket())) {
file_desc = php_sock->bsd_socket;
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "fd argument must be either valid PHP stream or valid PHP socket resource");
RETURN_FALSE;
}
#else
php_error_docref(NULL TSRMLS_CC, E_WARNING, "fd argument must be valid PHP stream resource");
RETURN_FALSE;
#endif
}
}
if (!zend_is_callable(zcallback, 0, &func_name TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid callback", func_name);
efree(func_name);
RETURN_FALSE;
}
efree(func_name);
zval_add_ref(&zcallback);
if (zarg) {
zval_add_ref(&zarg);
} else {
ALLOC_INIT_ZVAL(zarg);
}
callback = emalloc(sizeof (php_event_callback_t));
callback->func = zcallback;
callback->arg = zarg;
old_callback = event->callback;
event->callback = callback;
if (events & EV_SIGNAL) {
event->stream_id = -1;
} else {
zend_list_addref(Z_LVAL_PP(fd));
event->stream_id = Z_LVAL_PP(fd);
}
event_set(event->event, (int) file_desc, (short) events, _php_event_callback, event);
if (old_callback) {
_php_event_callback_free(old_callback);
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool event_del(resource event)
*/
static PHP_FUNCTION(event_del) {
zval *zevent;
php_event_t *event;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zevent) != SUCCESS) {
return;
}
ZVAL_TO_EVENT(zevent, event);
if (!event->base) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to delete event without an event base");
RETURN_FALSE;
}
if (event_del(event->event) == 0) {
RETURN_TRUE;
}
RETURN_FALSE;
}
/* }}} */
/* {{{ proto bool event_timer_set(resource event, mixed callback[, mixed arg])
*/
static PHP_FUNCTION(event_timer_set) {
zval *zevent, *zcallback, *zarg = NULL;
php_event_t *event;
php_event_callback_t *callback, *old_callback;
char *func_name;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rz|z", &zevent, &zcallback, &zarg) != SUCCESS) {
return;
}
ZVAL_TO_EVENT(zevent, event);
if (!zend_is_callable(zcallback, 0, &func_name TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid callback", func_name);
efree(func_name);
RETURN_FALSE;
}
efree(func_name);
zval_add_ref(&zcallback);
if (zarg) {
zval_add_ref(&zarg);
} else {
ALLOC_INIT_ZVAL(zarg);
}
callback = emalloc(sizeof (php_event_callback_t));
callback->func = zcallback;
callback->arg = zarg;
old_callback = event->callback;
event->callback = callback;
if (event->stream_id >= 0) {
zend_list_delete(event->stream_id);
}
event->stream_id = -1;
event_set(event->event, -1, 0, _php_event_callback, event);
if (old_callback) {
_php_event_callback_free(old_callback);
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto bool event_timer_pending(resource event[, int timeout])
*/
static PHP_FUNCTION(event_timer_pending) {
zval *zevent;
php_event_t *event;
int ret;
long timeout = -1;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &zevent, &timeout) != SUCCESS) {
return;
}
ZVAL_TO_EVENT(zevent, event);
if (timeout < 0) {
ret = event_pending(event->event, EV_TIMEOUT, NULL);
} else {
struct timeval time;
time.tv_usec = timeout % 1000000;
time.tv_sec = timeout / 1000000;
ret = event_pending(event->event, EV_TIMEOUT, &time);
}
if (ret != 0) {
RETURN_FALSE;
}
RETURN_TRUE;
}
/* }}} */
/* {{{ proto resource event_buffer_new(resource stream, mixed readcb, mixed writecb, mixed errorcb[, mixed arg])
*/
static PHP_FUNCTION(event_buffer_new) {
php_bufferevent_t *bevent;
php_stream *stream;
zval *zstream, *zreadcb, *zwritecb, *zerrorcb, *zarg = NULL;
php_socket_t fd;
char *func_name;
#ifdef LIBEVENT_SOCKETS_SUPPORT
php_socket *php_sock;
#endif
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rzzz|z", &zstream, &zreadcb, &zwritecb, &zerrorcb, &zarg) != SUCCESS) {
return;
}
if (ZEND_FETCH_RESOURCE_NO_RETURN(stream, php_stream *, &zstream, -1, NULL, php_file_le_stream())) {
if (php_stream_cast(stream, PHP_STREAM_AS_FD_FOR_SELECT | PHP_STREAM_CAST_INTERNAL, (void*) &fd, 1) != SUCCESS || fd < 0) {
RETURN_FALSE;
}
} else {
#ifdef LIBEVENT_SOCKETS_SUPPORT
if (ZEND_FETCH_RESOURCE_NO_RETURN(php_sock, php_socket *, &zstream, -1, NULL, php_sockets_le_socket())) {
fd = php_sock->bsd_socket;
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "stream argument must be either valid PHP stream or valid PHP socket resource");
RETURN_FALSE;
}
#else
php_error_docref(NULL TSRMLS_CC, E_WARNING, "stream argument must be valid PHP stream resource");
RETURN_FALSE;
#endif
}
if (Z_TYPE_P(zreadcb) != IS_NULL) {
if (!zend_is_callable(zreadcb, 0, &func_name TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid read callback", func_name);
efree(func_name);
RETURN_FALSE;
}
efree(func_name);
} else {
zreadcb = NULL;
}
if (Z_TYPE_P(zwritecb) != IS_NULL) {
if (!zend_is_callable(zwritecb, 0, &func_name TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid write callback", func_name);
efree(func_name);
RETURN_FALSE;
}
efree(func_name);
} else {
zwritecb = NULL;
}
if (!zend_is_callable(zerrorcb, 0, &func_name TSRMLS_CC)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s' is not a valid error callback", func_name);
efree(func_name);
RETURN_FALSE;
}
efree(func_name);
bevent = emalloc(sizeof (php_bufferevent_t));
bevent->bevent = bufferevent_new(fd, _php_bufferevent_readcb, _php_bufferevent_writecb, _php_bufferevent_errorcb, bevent);
bevent->base = NULL;
if (zreadcb) {
zval_add_ref(&zreadcb);
}
bevent->readcb = zreadcb;
if (zwritecb) {
zval_add_ref(&zwritecb);
}
bevent->writecb = zwritecb;
zval_add_ref(&zerrorcb);
bevent->errorcb = zerrorcb;
if (zarg) {
zval_add_ref(&zarg);
bevent->arg = zarg;
} else {
ALLOC_INIT_ZVAL(bevent->arg);
}
TSRMLS_SET_CTX(bevent->thread_ctx);
bevent->rsrc_id = zend_list_insert(bevent, le_bufferevent);
RETURN_RESOURCE(bevent->rsrc_id);
}
/* }}} */
/* {{{ proto void event_buffer_free(resource bevent)
*/
static PHP_FUNCTION(event_buffer_free) {
zval *zbevent;
php_bufferevent_t *bevent;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &zbevent) != SUCCESS) {
return;
}
ZVAL_TO_BEVENT(zbevent, bevent);
zend_list_delete(bevent->rsrc_id);
}
/* }}} */
/* {{{ proto void event_buffer_flush(resource bevent, int iotype, int mode)
*/
static PHP_FUNCTION(event_buffer_flush) {
zval *zbevent;
long iotype;
long mode;
int r;
php_bufferevent_t *bevent;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rll", &zbevent, &iotype, &mode) != SUCCESS) {
return;
}
ZVAL_TO_BEVENT(zbevent, bevent);
r = bufferevent_flush(bevent->bevent, iotype, mode);
if (!r) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ proto void event_buffer_get_length(resource bevent)
*/
static PHP_FUNCTION(event_buffer_get_length) {
zval *zbevent;
struct evbuffer *buffer;
long type;
php_bufferevent_t *bevent;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &zbevent, &type) != SUCCESS) {
return;
}
ZVAL_TO_BEVENT(zbevent, bevent);
if (type == EV_READ) {
buffer = bufferevent_get_input(bevent->bevent);
} else if (type == EV_WRITE) {
buffer = bufferevent_get_output(bevent->bevent);
} else {
RETURN_FALSE;
}
RETURN_LONG(evbuffer_get_length(buffer));
}
/* }}} */
/* {{{ proto bool event_buffer_base_set(resource bevent, resource base)
*/
static PHP_FUNCTION(event_buffer_base_set) {
zval *zbase, *zbevent;
php_event_base_t *base, *old_base;
php_bufferevent_t *bevent;
int ret;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr", &zbevent, &zbase) != SUCCESS) {
return;
}
ZVAL_TO_BASE(zbase, base);
ZVAL_TO_BEVENT(zbevent, bevent);
old_base = bevent->base;
ret = bufferevent_base_set(base->base, bevent->bevent);
if (ret == 0) {
if (base != old_base) {
/* make sure the base is destroyed after the event */
zend_list_addref(base->rsrc_id);
++base->events;
}
if (old_base) {
--old_base->events;
zend_list_delete(old_base->rsrc_id);
}
bevent->base = base;