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 NSTACKX_TIMER_H
17#define NSTACKX_TIMER_H
18
19#include "nstackx_epoll.h"
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25#define NSTACKX_MILLI_TICKS             1000
26#define NSTACKX_MICRO_TICKS             1000000
27#define NSTACKX_NANO_TICKS              1000000000
28#define NSTACKX_MICRO_SEC_PER_MILLI_SEC (NSTACKX_MICRO_TICKS / NSTACKX_MILLI_TICKS)
29#define NSTACKX_NANO_SEC_PER_MILLI_SEC  (NSTACKX_NANO_TICKS / NSTACKX_MILLI_TICKS)
30#define NSTACKX_NANO_SEC_PER_MICRO_SEC  (NSTACKX_NANO_TICKS / NSTACKX_MICRO_TICKS)
31
32typedef void (*TimeoutHandle)(void *data);
33
34typedef struct  {
35    EpollTask task;
36    TimeoutHandle timeoutHandle;
37    void *data;
38    uint8_t disabled;
39} Timer;
40
41NSTACKX_EXPORT uint32_t GetTimeDiffMs(const struct timespec *etv, const struct timespec *stv);
42NSTACKX_EXPORT int32_t TimerSetTimeout(Timer *timer, uint32_t timeoutMs, uint8_t repeated);
43NSTACKX_EXPORT int32_t TimerGetRemainTime(Timer *timer, uint32_t *remainTimeMsPtr);
44NSTACKX_EXPORT Timer *TimerStart(EpollDesc epollfd, uint32_t ms, uint8_t repeated, TimeoutHandle handle, void *data);
45NSTACKX_EXPORT void TimerDelete(Timer *timer);
46NSTACKX_EXPORT uint32_t GetTimeDiffUs(const struct timespec *etv, const struct timespec *stv);
47
48#ifdef __cplusplus
49}
50#endif
51
52#endif // NSTACKX_TIMER_H
53