115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include "ob_log_event_scheduler.h"
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#include "ob_log_event_task_V2.h"
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namespace oceanbase {
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namespace clog {
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ObLogEventScheduler::ObLogEventScheduler() : time_wheel_(), is_inited_(false)
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{}
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ObLogEventScheduler::~ObLogEventScheduler()
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{
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destroy();
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}
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int ObLogEventScheduler::init()
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{
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int ret = common::OB_SUCCESS;
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const char* CLOG_EVENT_TIME_WHEEL_NAME = "ClogEventTimeWheel";
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const int64_t thread_num = get_time_wheel_thread_num_();
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if (IS_INIT) {
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ret = common::OB_INIT_TWICE;
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CLOG_LOG(ERROR, "ObLogEventScheduler init twice", K(ret));
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} else if (OB_FAIL(time_wheel_.init(CLOG_EVENT_TIME_WHEEL_PRECISION, thread_num, CLOG_EVENT_TIME_WHEEL_NAME))) {
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CLOG_LOG(ERROR, "ObTimeWheel init fail", K(ret));
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} else {
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is_inited_ = true;
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CLOG_LOG(INFO, "ObTimeWheel init success", K(thread_num));
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}
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return ret;
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}
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void ObLogEventScheduler::destroy()
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{
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time_wheel_.destroy();
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is_inited_ = false;
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}
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int ObLogEventScheduler::start()
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{
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return time_wheel_.start();
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}
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int ObLogEventScheduler::stop()
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{
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return time_wheel_.stop();
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}
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int ObLogEventScheduler::wait()
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{
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return time_wheel_.wait();
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}
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int ObLogEventScheduler::add_state_change_event(ObLogStateEventTaskV2* task)
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{
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int ret = common::OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = common::OB_NOT_INIT;
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} else if (OB_ISNULL(task) || OB_UNLIKELY(!task->is_inited())) {
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ret = common::OB_INVALID_ARGUMENT;
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} else if (OB_FAIL(schedule_task_(task, CLOG_EVENT_TIME_WHEEL_PRECISION))) {
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CLOG_LOG(WARN, "schedule task failed", K(ret));
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} else {
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CLOG_LOG(TRACE, "add_state_change_event success", K(ret));
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}
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return ret;
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}
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int ObLogEventScheduler::add_state_change_delay_event(ObLogStateEventTaskV2* task)
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{
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int ret = common::OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = common::OB_NOT_INIT;
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} else if (OB_ISNULL(task) || OB_UNLIKELY(!task->is_inited())) {
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ret = common::OB_INVALID_ARGUMENT;
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} else if (OB_FAIL(schedule_task_(task, 5 * CLOG_EVENT_TIME_WHEEL_PRECISION))) {
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CLOG_LOG(WARN, "schedule_task_ failed", K(ret));
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} else {
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CLOG_LOG(TRACE, "schedule delay task success", K(ret));
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}
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return ret;
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}
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int ObLogEventScheduler::schedule_task_(ObLogStateEventTaskV2* task, const int64_t delay)
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{
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int ret = common::OB_SUCCESS;
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if (OB_FAIL(task->set_expected_ts(delay))) {
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CLOG_LOG(WARN, "set expected_ts failed", K(ret), K(delay));
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} else if (OB_FAIL(time_wheel_.schedule(task, delay))) {
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CLOG_LOG(WARN, "schedule delay task failed", K(ret));
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}
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return ret;
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}
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int64_t ObLogEventScheduler::get_time_wheel_thread_num_() const
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{
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int64_t thread_num = MAX(common::get_cpu_num() / 2, 4);
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if (thread_num > common::ObTimeWheel::MAX_THREAD_NUM) {
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thread_num = common::ObTimeWheel::MAX_THREAD_NUM;
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}
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return thread_num;
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}
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} // namespace clog
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} // namespace oceanbase
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