mirror of
https://github.com/openharmony/miscservices_time.git
synced 2026-07-20 23:44:54 -04:00
guduhanyan
572 lines
17 KiB
C++
572 lines
17 KiB
C++
/*
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* Copyright (C) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <ctime>
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#include <cstdio>
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#include <string>
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#include <unistd.h>
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#include <sys/time.h>
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#include <cerrno>
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#include <mutex>
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#include <dirent.h>
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#include <cstring>
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#include <fcntl.h>
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#include <fstream>
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#include <sstream>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <linux/rtc.h>
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#include "pthread.h"
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#include "time_service.h"
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#include "time_zone_info.h"
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#include "time_common.h"
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#include "system_ability.h"
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#include "system_ability_definition.h"
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#include "iservice_registry.h"
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namespace OHOS {
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namespace MiscServices {
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namespace {
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// Unit of measure conversion , BASE: second
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static const int MILLI_TO_BASE = 1000LL;
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static const int MICR_TO_BASE = 1000000LL;
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static const int NANO_TO_BASE = 1000000000LL;
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static const int FIVE_THOUSANDS = 5000LL;
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static const std::int32_t INIT_INTERVAL = 10000L;
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static const uint32_t TIMER_TYPE_REALTIME_MASK = 1 << 0;
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static const uint32_t TIMER_TYPE_REALTIME_WAKEUP_MASK = 1 << 1;
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static const uint32_t TIMER_TYPE_EXACT_MASK = 1 << 2;
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constexpr int MILLI_TO_MICR = MICR_TO_BASE / MILLI_TO_BASE;
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constexpr int NANO_TO_MILLI = NANO_TO_BASE / MILLI_TO_BASE;
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}
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REGISTER_SYSTEM_ABILITY_BY_ID(TimeService, TIME_SERVICE_ID, true);
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std::mutex TimeService::instanceLock_;
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sptr<TimeService> TimeService::instance_;
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std::shared_ptr<AppExecFwk::EventHandler> TimeService::serviceHandler_ = nullptr;
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std::shared_ptr<MiscServices::TimeServiceNotify> TimeService::timeServiceNotify_ = nullptr;
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std::shared_ptr<TimerManager> TimeService::timerManagerHandler_ = nullptr;
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TimeService::TimeService(int32_t systemAbilityId, bool runOnCreate)
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: SystemAbility(systemAbilityId, runOnCreate),
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state_(ServiceRunningState::STATE_NOT_START),
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rtc_id(get_wall_clock_rtc_id())
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{
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TIME_HILOGI(TIME_MODULE_SERVICE, " TimeService Start.");
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}
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TimeService::TimeService()
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:state_(ServiceRunningState::STATE_NOT_START), rtc_id(get_wall_clock_rtc_id())
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{
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}
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TimeService::~TimeService() {};
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sptr<TimeService> TimeService::GetInstance()
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{
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if (instance_ == nullptr) {
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std::lock_guard<std::mutex> autoLock(instanceLock_);
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if (instance_ == nullptr) {
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instance_ = new TimeService;
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}
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}
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return instance_;
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}
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void TimeService::OnStart()
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{
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TIME_HILOGI(TIME_MODULE_SERVICE, " TimeService OnStart.");
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if (state_ == ServiceRunningState::STATE_RUNNING) {
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TIME_HILOGE(TIME_MODULE_SERVICE, " TimeService is already running.");
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return;
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}
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InitServiceHandler();
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InitTimerHandler();
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InitNotifyHandler();
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DelayedSingleton<TimeZoneInfo>::GetInstance()->Init();
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if (Init() != ERR_OK) {
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auto callback = [=]() { Init(); };
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serviceHandler_->PostTask(callback, INIT_INTERVAL);
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TIME_HILOGE(TIME_MODULE_SERVICE, "Init failed. Try again 10s later.");
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return;
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}
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TIME_HILOGI(TIME_MODULE_SERVICE, "Start TimeService success.");
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return;
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}
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int32_t TimeService::Init()
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{
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bool ret = Publish(TimeService::GetInstance());
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if (!ret) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Init Failed.");
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return E_TIME_PUBLISH_FAIL;
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}
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TIME_HILOGI(TIME_MODULE_SERVICE, "Init Success.");
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state_ = ServiceRunningState::STATE_RUNNING;
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return ERR_OK;
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}
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void TimeService::OnStop()
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{
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TIME_HILOGI(TIME_MODULE_SERVICE, "OnStop Started.");
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if (state_ != ServiceRunningState::STATE_RUNNING) {
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return;
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}
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serviceHandler_ = nullptr;
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timeServiceNotify_ = nullptr;
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state_ = ServiceRunningState::STATE_NOT_START;
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TIME_HILOGI(TIME_MODULE_SERVICE, "OnStop End.");
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}
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void TimeService::InitNotifyHandler()
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{
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TIME_HILOGI(TIME_MODULE_SERVICE, "InitNotify started.");
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if (timeServiceNotify_ != nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, " Already init.");
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return;
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}
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timeServiceNotify_ = std::make_shared<MiscServices::TimeServiceNotify>();
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timeServiceNotify_->RegisterPublishEvents();
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}
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void TimeService::InitServiceHandler()
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{
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TIME_HILOGI(TIME_MODULE_SERVICE, "InitServiceHandler started.");
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if (serviceHandler_ != nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, " Already init.");
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return;
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}
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std::shared_ptr<AppExecFwk::EventRunner> runner = AppExecFwk::EventRunner::Create(TIME_SERVICE_NAME);
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serviceHandler_ = std::make_shared<AppExecFwk::EventHandler>(runner);
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TIME_HILOGI(TIME_MODULE_SERVICE, "InitServiceHandler Succeeded.");
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}
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void TimeService::InitTimerHandler()
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{
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TIME_HILOGI(TIME_MODULE_SERVICE, "Init Timer started.");
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if (timerManagerHandler_ != nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, " Already init.");
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return;
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}
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timerManagerHandler_ = TimerManager::Create();
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}
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void TimeService::PaserTimerPara(int32_t type, bool repeat, uint64_t interval, TimerPara ¶s)
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{
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bool isRealtime = false;
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bool isWakeup = false;
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auto uIntType = static_cast<uint32_t>(type);
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paras.flag = 0;
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if ((uIntType & TIMER_TYPE_REALTIME_MASK) > 0) {
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isRealtime = true;
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}
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if ((uIntType & TIMER_TYPE_REALTIME_WAKEUP_MASK) > 0) {
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isWakeup = true;
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}
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if ((uIntType & TIMER_TYPE_EXACT_MASK) > 0) {
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paras.windowLength = 0;
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}else{
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paras.windowLength = -1;
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}
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if (isRealtime && isWakeup) {
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paras.timerType = ITimerManager::TimerType::ELAPSED_REALTIME_WAKEUP;
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} else if (isRealtime) {
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paras.timerType = ITimerManager::TimerType::ELAPSED_REALTIME;
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} else if (isWakeup) {
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paras.timerType = ITimerManager::TimerType::RTC_WAKEUP;
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} else {
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paras.timerType = ITimerManager::TimerType::RTC;
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}
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if (repeat) {
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paras.interval = (interval < FIVE_THOUSANDS) ? FIVE_THOUSANDS : interval;
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} else {
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paras.interval = 0;
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}
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return;
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}
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uint64_t TimeService::CreateTimer(int32_t type, bool repeat, uint64_t interval,
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sptr<IRemoteObject> &obj)
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{
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if (obj == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Input nullptr.");
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return 0;
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}
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struct TimerPara paras {};
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PaserTimerPara(type, repeat, interval, paras);
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sptr<ITimerCallback> timerCallback = iface_cast<ITimerCallback>(obj);
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if (timerCallback == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "ITimerCallback nullptr.");
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return 0;
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}
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TIME_HILOGI(TIME_MODULE_SERVICE, "Start create timer.");
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auto callbackFunc = [timerCallback](uint64_t id) {
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timerCallback->NotifyTimer(id);
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};
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Timer manager nullptr.");
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timerManagerHandler_ = TimerManager::Create();
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Redo Timer manager Init Failed.");
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return 0;
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}
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}
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return timerManagerHandler_->CreateTimer(paras.timerType,
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paras.windowLength,
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paras.interval,
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paras.flag,
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callbackFunc,
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0);
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}
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bool TimeService::StartTimer(uint64_t timerId, uint64_t triggerTimes)
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{
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uint64_t triggerTimesIn = 5000;
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triggerTimesIn = (triggerTimes < 5000) ? 5000 : triggerTimes;
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Timer manager nullptr.");
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timerManagerHandler_ = TimerManager::Create();
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Redo Timer manager Init Failed.");
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return 0;
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}
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}
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auto ret = timerManagerHandler_->StartTimer(timerId, triggerTimesIn);
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if (!ret) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "TimerId Not found.");
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}
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return ret;
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}
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bool TimeService::StopTimer(uint64_t timerId)
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{
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Timer manager nullptr.");
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timerManagerHandler_ = TimerManager::Create();
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Redo Timer manager Init Failed.");
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return 0;
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}
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}
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auto ret = timerManagerHandler_->StopTimer(timerId);
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if (!ret) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "TimerId Not found.");
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}
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return ret;
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}
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bool TimeService::DestroyTimer(uint64_t timerId)
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{
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Timer manager nullptr.");
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timerManagerHandler_ = TimerManager::Create();
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if (timerManagerHandler_ == nullptr) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Redo Timer manager Init Failed.");
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return 0;
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}
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}
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auto ret = timerManagerHandler_->DestroyTimer(timerId);
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if (!ret) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "TimerId Not found.");
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}
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return ret;
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}
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int32_t TimeService::SetTime(const int64_t time)
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{
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pid_t uid = IPCSkeleton::GetCallingUid();
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auto hasPerm = DelayedSingleton<TimePermission>::GetInstance()->CheckCallingPermission(uid, setTimePermName_);
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if (!hasPerm) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Permission check failed, uid : %{public}d", uid);
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return E_TIME_NO_PERMISSION;
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}
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TIME_HILOGI(TIME_MODULE_SERVICE, "Setting time of day to milliseconds: %{public}" PRId64 "", time);
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if (time < 0 || time / 1000LL >= LONG_MAX) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "input param error");
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return E_TIME_PARAMETERS_INVALID;
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}
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struct timeval tv{};
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tv.tv_sec = (time_t) (time / MILLI_TO_BASE);
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tv.tv_usec = (suseconds_t)((time % MILLI_TO_BASE) * MILLI_TO_MICR);
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int result = settimeofday(&tv, NULL);
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if (result < 0) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "settimeofday fail: %{public}d.",result);
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return E_TIME_DEAL_FAILED;
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}
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auto ret = set_rtc_time(tv.tv_sec);
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if (ret < 0) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "set rtc fail: %{public}d.", ret);
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return E_TIME_SET_RTC_FAILED;
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}
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int64_t currentTime = 0;
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GetWallTimeMs(currentTime);
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if (timeServiceNotify_ != nullptr) {
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timeServiceNotify_->PublishTimeChanageEvents(currentTime);
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}
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return ERR_OK;
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}
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int TimeService::set_rtc_time(time_t sec) {
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struct rtc_time rtc{};
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struct tm tm {};
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struct tm *gmtime_res = nullptr;
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int fd = 0;
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int res;
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if (rtc_id < 0) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "invalid rtc id: %{public}s:", strerror(ENODEV));
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return -1;
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}
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std::stringstream strs;
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strs << "/dev/rtc" << rtc_id;
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auto rtc_dev = strs.str();
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TIME_HILOGI(TIME_MODULE_SERVICE, "rtc_dev : %{public}s:", rtc_dev.data());
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auto rtc_data = rtc_dev.data();
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fd = open(rtc_data, O_RDWR);
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if (fd < 0) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "open failed %{public}s: %{public}s", rtc_dev.data(), strerror(errno));
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return -1;
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}
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gmtime_res = gmtime_r(&sec, &tm);
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if (gmtime_res) {
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rtc.tm_sec = tm.tm_sec;
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rtc.tm_min = tm.tm_min;
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rtc.tm_hour = tm.tm_hour;
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rtc.tm_mday = tm.tm_mday;
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rtc.tm_mon = tm.tm_mon;
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rtc.tm_year = tm.tm_year;
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rtc.tm_wday = tm.tm_wday;
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rtc.tm_yday = tm.tm_yday;
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rtc.tm_isdst = tm.tm_isdst;
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res = ioctl(fd, RTC_SET_TIME, &rtc);
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if (res < 0) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "ioctl RTC_SET_TIME failed: %{public}s", strerror(errno));
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}
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}else{
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TIME_HILOGE(TIME_MODULE_SERVICE, "convert rtc time failed: %{public}s", strerror(errno));
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res = -1;
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}
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close(fd);
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return res;
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}
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bool TimeService::check_rtc(std::string rtc_path, uint64_t rtc_id_t)
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{
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std::stringstream strs;
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strs << rtc_path << "/rtc" << rtc_id_t << "/hctosys";
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auto hctosys_path = strs.str();
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uint32_t hctosys;
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std::fstream file(hctosys_path.data(), std::ios_base::in);
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if (file.is_open()) {
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file >> hctosys;
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} else{
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TIME_HILOGE(TIME_MODULE_SERVICE, "failed to open %{public}s", hctosys_path.data());
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return false;
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}
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return true;
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}
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int TimeService::get_wall_clock_rtc_id()
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{
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std::string rtc_path = "/sys/class/rtc";
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std::unique_ptr<DIR, int(*)(DIR*)> dir(opendir(rtc_path.c_str()), closedir);
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if (!dir.get()) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "failed to open %{public}s: %{public}s", rtc_path.c_str(), strerror(errno));
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return -1;
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}
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struct dirent *dirent;
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std::string s = "rtc";
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while (errno = 0,
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dirent = readdir(dir.get())) {
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std::string name(dirent->d_name);
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unsigned long rtc_id_t = 0;
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auto index = name.find(s);
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if (index == std::string::npos) {
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continue;
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} else {
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auto rtc_id_str = name.substr(index + s.length());
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rtc_id_t = std::stoul(rtc_id_str);
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}
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if (check_rtc(rtc_path, rtc_id_t)) {
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TIME_HILOGD(TIME_MODULE_SERVICE, "found wall clock rtc %{public}ld", rtc_id_t);
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return rtc_id_t;
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}
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}
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if (errno == 0) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "no wall clock rtc found");
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}else{
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TIME_HILOGE(TIME_MODULE_SERVICE, "failed to check rtc: %{public}s", strerror(errno));
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}
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return -1;
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}
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int32_t TimeService::SetTimeZone(const std::string timeZoneId)
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{
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pid_t uid = IPCSkeleton::GetCallingUid();
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auto hasPerm = DelayedSingleton<TimePermission>::GetInstance()->CheckCallingPermission(uid, setTimezonePermName_);
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if (!hasPerm) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Permission check failed, uid : %{public}d", uid);
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return E_TIME_NO_PERMISSION;
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}
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if (!DelayedSingleton<TimeZoneInfo>::GetInstance()->SetTimezone(timeZoneId)) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "Set timezone failed :%{public}s", timeZoneId.c_str());
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return E_TIME_DEAL_FAILED;
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}
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int64_t currentTime = 0;
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GetWallTimeMs(currentTime);
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if (timeServiceNotify_ != nullptr) {
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timeServiceNotify_->PublishTimeZoneChangeEvents(currentTime);
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}
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return ERR_OK;
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}
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int32_t TimeService::GetTimeZone(std::string &timeZoneId)
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{
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if (!DelayedSingleton<TimeZoneInfo>::GetInstance()->GetTimezone(timeZoneId)) {
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TIME_HILOGE(TIME_MODULE_SERVICE, "get timezone failed.");
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return E_TIME_DEAL_FAILED;
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}
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TIME_HILOGD(TIME_MODULE_SERVICE, "Current timezone : %{public}s", timeZoneId.c_str());
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return ERR_OK;
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}
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int32_t TimeService::GetWallTimeMs(int64_t ×)
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{
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struct timespec tv{};
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if (GetTimeByClockid(CLOCK_REALTIME, &tv)) {
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times = tv.tv_sec * MILLI_TO_BASE + tv.tv_nsec / NANO_TO_MILLI;
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return ERR_OK;
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}
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return E_TIME_DEAL_FAILED;
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}
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int32_t TimeService::GetWallTimeNs(int64_t ×)
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|
{
|
|
struct timespec tv{};
|
|
|
|
if (GetTimeByClockid(CLOCK_REALTIME, &tv)) {
|
|
times = tv.tv_sec * NANO_TO_BASE + tv.tv_nsec;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
int32_t TimeService::GetBootTimeMs(int64_t ×)
|
|
{
|
|
struct timespec tv{};
|
|
|
|
if (GetTimeByClockid(CLOCK_BOOTTIME, &tv)) {
|
|
times = tv.tv_sec * MILLI_TO_BASE + tv.tv_nsec / NANO_TO_MILLI;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
int32_t TimeService::GetBootTimeNs(int64_t ×)
|
|
{
|
|
struct timespec tv{};
|
|
|
|
if (GetTimeByClockid(CLOCK_BOOTTIME, &tv)) {
|
|
times = tv.tv_sec * NANO_TO_BASE + tv.tv_nsec;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
int32_t TimeService::GetMonotonicTimeMs(int64_t ×)
|
|
{
|
|
struct timespec tv{};
|
|
|
|
if (GetTimeByClockid(CLOCK_MONOTONIC, &tv)) {
|
|
times = tv.tv_sec * MILLI_TO_BASE + tv.tv_nsec / NANO_TO_MILLI;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
int32_t TimeService::GetMonotonicTimeNs(int64_t ×)
|
|
{
|
|
struct timespec tv{};
|
|
|
|
if (GetTimeByClockid(CLOCK_MONOTONIC, &tv)) {
|
|
times = tv.tv_sec * NANO_TO_BASE + tv.tv_nsec;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
int32_t TimeService::GetThreadTimeMs(int64_t ×)
|
|
{
|
|
struct timespec tv{};
|
|
int ret;
|
|
clockid_t cid;
|
|
ret = pthread_getcpuclockid(pthread_self(), &cid);
|
|
if (ret != 0) {
|
|
return E_TIME_PARAMETERS_INVALID;
|
|
}
|
|
|
|
if (GetTimeByClockid(cid, &tv)) {
|
|
times = tv.tv_sec * MILLI_TO_BASE + tv.tv_nsec / NANO_TO_MILLI;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
int32_t TimeService::GetThreadTimeNs(int64_t ×)
|
|
{
|
|
struct timespec tv{};
|
|
int ret;
|
|
clockid_t cid;
|
|
ret = pthread_getcpuclockid(pthread_self(), &cid);
|
|
if (ret != 0) {
|
|
return E_TIME_PARAMETERS_INVALID;
|
|
}
|
|
|
|
if (GetTimeByClockid(cid, &tv)) {
|
|
times = tv.tv_sec * NANO_TO_BASE + tv.tv_nsec;
|
|
return ERR_OK;
|
|
}
|
|
return E_TIME_DEAL_FAILED;
|
|
}
|
|
|
|
bool TimeService::GetTimeByClockid(clockid_t clk_id, struct timespec *tv)
|
|
{
|
|
if (clock_gettime(clk_id, tv) < 0) {
|
|
TIME_HILOGE(TIME_MODULE_SERVICE, "Failed clock_gettime.");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
} // namespace MiscServices
|
|
} // namespace OHOS
|