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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Monkey HTTP Server
* ==================
* Copyright 2001-2017 Eduardo Silva <eduardo@monkey.io>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <stdio.h>
#include <mk_core/mk_core_info.h>
#include <mk_core/mk_pipe.h>
#include <mk_core/mk_sleep.h>
#include <mk_core/mk_unistd.h>
#include <mk_core/mk_memory.h>
#include <mk_core/mk_utils.h>
#include <mk_core/mk_event.h>
#if defined(_WIN32)
#include "mk_event_libevent.c"
#elif defined(MK_HAVE_EVENT_SELECT)
#include "mk_event_select.c"
#elif defined(__linux__) && !defined(LINUX_KQUEUE)
#include "mk_event_epoll.c"
#else
#include "mk_event_kqueue.c"
#endif
/* Initialize backend */
int mk_event_init()
{
return _mk_event_init();
}
/* Create a new loop */
struct mk_event_loop *mk_event_loop_create(int size)
{
void *backend;
struct mk_event_loop *loop;
backend = _mk_event_loop_create(size);
if (!backend) {
return NULL;
}
loop = mk_mem_alloc_z(sizeof(struct mk_event_loop));
if (!loop) {
_mk_event_loop_destroy(backend);
return NULL;
}
loop->events = mk_mem_alloc_z(sizeof(struct mk_event) * size);
if (!loop->events) {
_mk_event_loop_destroy(backend);
mk_mem_free(loop);
return NULL;
}
loop->size = size;
loop->data = backend;
return loop;
}
/* Destroy a loop context */
void mk_event_loop_destroy(struct mk_event_loop *loop)
{
_mk_event_loop_destroy(loop->data);
mk_mem_free(loop->events);
mk_mem_free(loop);
}
/* Register or modify an event */
int mk_event_add(struct mk_event_loop *loop, int fd,
int type, uint32_t mask, void *data)
{
int ret;
struct mk_event_ctx *ctx;
#ifdef MK_HAVE_TRACE
mk_bug(!data);
#endif
ctx = loop->data;
ret = _mk_event_add(ctx, fd, type, mask, data);
if (ret == -1) {
return -1;
}
return 0;
}
/* Inject an event */
int mk_event_inject(struct mk_event_loop *loop, struct mk_event *event,
int flags, int prevent_duplication)
{
if (loop->n_events + 1 >= loop->size) {
return -1;
}
_mk_event_inject(loop, event, flags, prevent_duplication);
return 0;
}
/* Remove an event */
int mk_event_del(struct mk_event_loop *loop, struct mk_event *event)
{
int ret;
struct mk_event_ctx *ctx;
ctx = loop->data;
/* just remove a registered event */
if ((event->status & MK_EVENT_REGISTERED) == 0) {
return -1;
}
ret = _mk_event_del(ctx, event);
if (ret == -1) {
return -1;
}
/* Reset the status and mask */
MK_EVENT_NEW(event);
return 0;
}
/* Create a new timer in the loop */
int mk_event_timeout_create(struct mk_event_loop *loop,
time_t sec, long nsec, void *data)
{
struct mk_event_ctx *ctx;
ctx = loop->data;
return _mk_event_timeout_create(ctx, sec, nsec, data);
}
/* Disable timer */
int mk_event_timeout_disable(struct mk_event_loop *loop, void *data)
{
return mk_event_del(loop, (struct mk_event *) data);
}
/* Destroy timer */
int mk_event_timeout_destroy(struct mk_event_loop *loop, void *data)
{
struct mk_event_ctx *ctx;
ctx = loop->data;
return _mk_event_timeout_destroy(ctx, data);
}
/* Create a new channel to distribute signals */
int mk_event_channel_create(struct mk_event_loop *loop,
int *r_fd, int *w_fd,
void *data)
{
struct mk_event_ctx *ctx;
mk_bug(!data);
ctx = loop->data;
return _mk_event_channel_create(ctx, r_fd, w_fd, data);
}
/* Destroy channel created to distribute signals */
int mk_event_channel_destroy(struct mk_event_loop *loop,
int r_fd, int w_fd,
void *data)
{
struct mk_event_ctx *ctx;
mk_bug(!data);
ctx = loop->data;
return _mk_event_channel_destroy(ctx, r_fd, w_fd, data);
}
/* Poll events */
int mk_event_wait(struct mk_event_loop *loop)
{
return _mk_event_wait_2(loop, -1);
}
/*
* Poll events with timeout in milliseconds
* zero timeout for non blocking wait
* -1 timeout for infinite wait
*/
int mk_event_wait_2(struct mk_event_loop *loop, int timeout)
{
return _mk_event_wait_2(loop, timeout);
}
/* Return the backend name */
char *mk_event_backend()
{
return _mk_event_backend();
}
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