1/*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#ifndef LE_EVENT_LOOP_H
17#define LE_EVENT_LOOP_H
18#include <unistd.h>
19
20#include "le_task.h"
21#include "le_utils.h"
22#include "list.h"
23#include "init_hashmap.h"
24
25#ifdef __cplusplus
26#if __cplusplus
27extern "C" {
28#endif
29#endif
30
31typedef struct EventLoop_ {
32    LE_STATUS (*close)(const struct EventLoop_ *loop);
33    LE_STATUS (*runLoop)(const struct EventLoop_ *loop);
34    LE_STATUS (*addEvent)(const struct EventLoop_ *loop, const BaseTask *task, int op);
35    LE_STATUS (*modEvent)(const struct EventLoop_ *loop, const BaseTask *task, int op);
36    LE_STATUS (*delEvent)(const struct EventLoop_ *loop, int fd, int op);
37
38    uint32_t maxevents;
39    uint32_t timeout;
40    uint32_t stop;
41#ifdef LOOP_EVENT_USE_MUTEX
42    LoopMutex mutex;
43#else
44    char mutex;
45#endif
46    HashMapHandle taskMap;
47
48    ListNode idleList;
49    ListNode timerList;
50} EventLoop;
51
52LE_STATUS CloseLoop(EventLoop *loop);
53LE_STATUS AddTask(EventLoop *loop, BaseTask *task);
54BaseTask *GetTaskByFd(EventLoop *loop, int fd);
55void DelTask(EventLoop *loop, BaseTask *task);
56LE_STATUS ProcessEvent(const EventLoop *loop, int fd, uint32_t oper);
57
58#ifdef __cplusplus
59#if __cplusplus
60}
61#endif
62#endif
63
64#endif