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 #include "softbus_adapter_timer.h"
17
18 #include <errno.h>
19 #include <fcntl.h>
20 #include <signal.h>
21 #include <sys/stat.h>
22 #include <sys/types.h>
23 #include <sys/time.h>
24 #include <time.h>
25 #include <unistd.h>
26
27 #include "securec.h"
28 #include "softbus_adapter_log.h"
29 #include "softbus_adapter_socket.h"
30 #include "softbus_def.h"
31 #include "softbus_errcode.h"
32
33 #define MS_PER_SECOND 1000
34 #define US_PER_MSECOND 1000
35 #define NS_PER_USECOND 1000
36
37 static unsigned int g_timerType;
38
39 static TimerFunc g_timerfunc = NULL;
40
HandleTimeoutAdapterFun(union sigval para)41 NO_SANITIZE("cfi") static void HandleTimeoutAdapterFun(union sigval para)
42 {
43 (void)para;
44 if (g_timerfunc != NULL) {
45 g_timerfunc();
46 }
47 }
48
SetTimerFunc(TimerFunc func)49 void SetTimerFunc(TimerFunc func)
50 {
51 g_timerfunc = func;
52 }
53
SoftBusCreateTimer(void ** timerId,unsigned int type)54 void *SoftBusCreateTimer(void **timerId, unsigned int type)
55 {
56 if (timerId == NULL) {
57 HILOG_ERROR(SOFTBUS_HILOG_ID, "timerId is null");
58 return NULL;
59 }
60 struct sigevent envent;
61 (void)memset_s(&envent, sizeof(envent), 0, sizeof(envent));
62 envent.sigev_notify = SIGEV_THREAD;
63 envent.sigev_notify_function = HandleTimeoutAdapterFun;
64 envent.sigev_notify_attributes = NULL;
65
66 g_timerType = type;
67 if (timer_create(CLOCK_REALTIME, &envent, timerId) != 0) {
68 HILOG_ERROR(SOFTBUS_HILOG_ID, "timer create error, errno code: [%{public}d]", errno);
69 return NULL;
70 }
71
72 return *timerId;
73 }
74
SoftBusStartTimer(void * timerId,unsigned int tickets)75 int SoftBusStartTimer(void *timerId, unsigned int tickets)
76 {
77 if (timerId == NULL) {
78 HILOG_ERROR(SOFTBUS_HILOG_ID, "timerId is null");
79 return SOFTBUS_ERR;
80 }
81 struct itimerspec value;
82 (void)memset_s(&value, sizeof(value), 0, sizeof(value));
83 value.it_value.tv_sec = tickets / MS_PER_SECOND;
84 value.it_value.tv_nsec = 0;
85 if (g_timerType == TIMER_TYPE_ONCE) {
86 value.it_interval.tv_sec = 0;
87 value.it_interval.tv_nsec = 0;
88 } else {
89 value.it_interval.tv_sec = tickets / MS_PER_SECOND;
90 value.it_interval.tv_nsec = 0;
91 }
92
93 if (timer_settime(timerId, 0, &value, NULL) != 0) {
94 HILOG_ERROR(SOFTBUS_HILOG_ID, "timer start error, errno code: [%{public}d]", errno);
95 return SOFTBUS_ERR;
96 }
97
98 return SOFTBUS_OK;
99 }
100
SoftBusDeleteTimer(void * timerId)101 int SoftBusDeleteTimer(void *timerId)
102 {
103 if (timerId == NULL) {
104 HILOG_ERROR(SOFTBUS_HILOG_ID, "timerId is null");
105 return SOFTBUS_ERR;
106 }
107
108 if (timer_delete(timerId) != 0) {
109 HILOG_ERROR(SOFTBUS_HILOG_ID, "timer delete err, errno code: [%{public}d]", errno);
110 return SOFTBUS_ERR;
111 }
112
113 return SOFTBUS_OK;
114 }
115
SoftBusSleepMs(unsigned int ms)116 int SoftBusSleepMs(unsigned int ms)
117 {
118 int ret;
119 struct timeval tm;
120 tm.tv_sec = ms / MS_PER_SECOND;
121 tm.tv_usec = (ms % MS_PER_SECOND) * US_PER_MSECOND;
122
123 do {
124 ret = select(0, NULL, NULL, NULL, &tm);
125 } while ((ret == -1) && (errno == EINTR));
126
127 return SOFTBUS_ERR;
128 }
129
SoftBusGetTime(SoftBusSysTime * sysTime)130 int32_t SoftBusGetTime(SoftBusSysTime *sysTime)
131 {
132 if (sysTime == NULL) {
133 HILOG_INFO(SOFTBUS_HILOG_ID, "sysTime is null");
134 return SOFTBUS_INVALID_PARAM;
135 }
136 struct timespec time = {0};
137 (void)clock_gettime(CLOCK_MONOTONIC, &time);
138
139 sysTime->sec = time.tv_sec;
140 sysTime->usec = time.tv_nsec / NS_PER_USECOND;
141 return SOFTBUS_OK;
142 }
143
SoftBusGetSysTimeMs(void)144 uint64_t SoftBusGetSysTimeMs(void)
145 {
146 struct timeval time;
147 time.tv_sec = 0;
148 time.tv_usec = 0;
149 if (gettimeofday(&time, NULL) != 0) {
150 HILOG_INFO(SOFTBUS_HILOG_ID, "get sys time fail");
151 return 0;
152 }
153 uint64_t ms = (uint64_t)time.tv_sec * MS_PER_SECOND + (uint64_t)time.tv_usec / US_PER_MSECOND;
154 return ms;
155 }