/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2017 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: Jerome Loyet <jerome@loyet.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#include "../fpm_config.h"
#include "../fpm_events.h"
#include "../fpm.h"
#include "../zlog.h"
#if HAVE_PORT
#include <port.h>
#include <poll.h>
#include <errno.h>
static int fpm_event_port_init(int max);
static int fpm_event_port_clean();
static int fpm_event_port_wait(struct fpm_event_queue_s *queue, unsigned long int timeout);
static int fpm_event_port_add(struct fpm_event_s *ev);
static int fpm_event_port_remove(struct fpm_event_s *ev);
static struct fpm_event_module_s port_module = {
.name = "port",
.support_edge_trigger = 0,
.init = fpm_event_port_init,
.clean = fpm_event_port_clean,
.wait = fpm_event_port_wait,
.add = fpm_event_port_add,
.remove = fpm_event_port_remove,
};
port_event_t *events = NULL;
int nevents = 0;
static int pfd = -1;
#endif /* HAVE_PORT */
struct fpm_event_module_s *fpm_event_port_module() /* {{{ */
{
#if HAVE_PORT
return &port_module;
#else
return NULL;
#endif /* HAVE_PORT */
}
/* }}} */
#if HAVE_PORT
/*
* Init the module
*/
static int fpm_event_port_init(int max) /* {{{ */
{
/* open port */
pfd = port_create();
if (pfd < 0) {
zlog(ZLOG_ERROR, "port: unable to initialize port_create()");
return -1;
}
if (max < 1) {
return 0;
}
/* alloc and clear active_pollfds */
events = malloc(sizeof(port_event_t) * max);
if (!events) {
zlog(ZLOG_ERROR, "port: Unable to allocate %d events", max);
return -1;
}
nevents = max;
return 0;
}
/* }}} */
/*
* Clean the module
*/
static int fpm_event_port_clean() /* {{{ */
{
if (pfd > -1) {
close(pfd);
pfd = -1;
}
if (events) {
free(events);
events = NULL;
}
nevents = 0;
return 0;
}
/* }}} */
/*
* wait for events or timeout
*/
static int fpm_event_port_wait(struct fpm_event_queue_s *queue, unsigned long int timeout) /* {{{ */
{
int ret, i, nget;
timespec_t t;
/* convert timeout into timespec_t */
t.tv_sec = (int)(timeout / 1000);
t.tv_nsec = (timeout % 1000) * 1000 * 1000;
/* wait for inconming event or timeout. We want at least one event or timeout */
nget = 1;
ret = port_getn(pfd, events, nevents, &nget, &t);
if (ret < 0) {
/* trigger error unless signal interrupt or timeout */
if (errno != EINTR && errno != ETIME) {
zlog(ZLOG_WARNING, "poll() returns %d", errno);
return -1;
}
}
for (i = 0; i < nget; i++) {
/* do we have a ptr to the event ? */
if (!events[i].portev_user) {
continue;
}
/* fire the event */
fpm_event_fire((struct fpm_event_s *)events[i].portev_user);
/* sanity check */
if (fpm_globals.parent_pid != getpid()) {
return -2;
}
}
return nget;
}
/* }}} */
/*
* Add a FD to the fd set
*/
static int fpm_event_port_add(struct fpm_event_s *ev) /* {{{ */
{
/* add the event to port */
if (port_associate(pfd, PORT_SOURCE_FD, ev->fd, POLLIN, (void *)ev) < 0) {
zlog(ZLOG_ERROR, "port: unable to add the event");
return -1;
}
return 0;
}
/* }}} */
/*
* Remove a FD from the fd set
*/
static int fpm_event_port_remove(struct fpm_event_s *ev) /* {{{ */
{
/* remove the event from port */
if (port_dissociate(pfd, PORT_SOURCE_FD, ev->fd) < 0) {
zlog(ZLOG_ERROR, "port: unable to add the event");
return -1;
}
return 0;
}
/* }}} */
#endif /* HAVE_PORT */
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