306 lines
10 KiB
C++
306 lines
10 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 "observer/virtual_table/ob_all_virtual_session_wait.h"
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using namespace oceanbase::common;
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namespace oceanbase
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{
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namespace observer
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{
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ObAllVirtualSessionWait::ObAllVirtualSessionWait()
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: ObVirtualTableScannerIterator(),
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session_status_(),
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addr_(NULL),
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ipstr_(),
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port_(0),
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session_iter_(0),
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collect_(NULL)
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{
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}
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ObAllVirtualSessionWait::~ObAllVirtualSessionWait()
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{
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reset();
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}
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void ObAllVirtualSessionWait::reset()
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{
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ObVirtualTableScannerIterator::reset();
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addr_ = NULL;
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session_iter_ = 0;
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port_ = 0;
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ipstr_.reset();
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session_status_.reset();
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collect_ = NULL;
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}
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int ObAllVirtualSessionWait::set_ip(common::ObAddr *addr)
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{
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int ret = OB_SUCCESS;
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char ipbuf[common::OB_IP_STR_BUFF];
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if (NULL == addr){
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ret = OB_ENTRY_NOT_EXIST;
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} else if (!addr_->ip_to_string(ipbuf, sizeof(ipbuf))) {
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SERVER_LOG(ERROR, "ip to string failed");
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ret = OB_ERR_UNEXPECTED;
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} else {
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ipstr_ = ObString::make_string(ipbuf);
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if (OB_FAIL(ob_write_string(*allocator_, ipstr_, ipstr_))) {
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SERVER_LOG(WARN, "failed to write string", K(ret));
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}
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port_ = addr_->get_port();
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}
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return ret;
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}
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int ObAllVirtualSessionWait::get_all_diag_info()
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{
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int ret = OB_SUCCESS;
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if (OB_SUCCESS != (ret = ObDISessionCache::get_instance().get_all_diag_info(session_status_))) {
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SERVER_LOG(WARN, "Fail to get session status, ", K(ret));
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}
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return ret;
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}
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int ObAllVirtualSessionWait::inner_get_next_row(ObNewRow *&row)
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{
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int ret = OB_SUCCESS;
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ObObj *cells = cur_row_.cells_;
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if (OB_UNLIKELY(NULL == allocator_)) {
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ret = OB_NOT_INIT;
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SERVER_LOG(WARN, "allocator is NULL", K(ret));
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} else {
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const int64_t col_count = output_column_ids_.count();
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ObWaitEventDesc *event_desc = NULL;
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if (0 == session_iter_) {
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if (OB_SUCCESS != (ret = set_ip(addr_))){
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SERVER_LOG(WARN, "can't get ip", K(ret));
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} else if (OB_SUCCESS != (ret = get_all_diag_info())) {
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SERVER_LOG(WARN, "can't get session status", K(ret));
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}
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}
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while (OB_SUCCESS == ret && session_iter_ < session_status_.count()) {
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collect_ = session_status_.at(session_iter_).second;
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if (NULL != collect_ && OB_SUCCESS == collect_->lock_.try_rdlock()) {
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const uint64_t tenant_id = collect_->base_value_.get_tenant_id();
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if (session_status_.at(session_iter_).first == collect_->session_id_
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&& (is_sys_tenant(effective_tenant_id_) || tenant_id == effective_tenant_id_)) {
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if (OB_FAIL(collect_->base_value_.get_event_history().get_last_wait(event_desc))) {
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if (OB_ITEM_NOT_SETTED == ret) {
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ret = OB_SUCCESS;
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session_iter_++;
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collect_->lock_.unlock();
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} else {
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collect_->lock_.unlock();
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SERVER_LOG(WARN, "Unexpected err", K(ret));
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}
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} else if (NULL == event_desc) {
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ret = OB_ERR_UNEXPECTED;
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collect_->lock_.unlock();
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SERVER_LOG(WARN, "Unexpected err", K(ret));
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} else {
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break;
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}
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} else {
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session_iter_++;
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collect_->lock_.unlock();
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}
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} else {
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session_iter_++;
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}
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}
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if (OB_SUCCESS == ret && session_iter_ >= session_status_.count()) {
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ret = OB_ITER_END;
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}
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if (OB_SUCCESS == ret && session_status_.count() != 0) {
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if (OB_ISNULL(event_desc) || OB_ISNULL(collect_)) {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "event_desc or collect_ is NULL", K(ret), KP(event_desc), KP(collect_));
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}
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uint64_t cell_idx = 0;
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int64_t curr_time = ObTimeUtility::current_time();
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for (int64_t i = 0; OB_SUCC(ret) && i < col_count; ++i) {
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uint64_t col_id = output_column_ids_.at(i);
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switch(col_id) {
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case SESSION_ID: {
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cells[cell_idx].set_int(collect_->session_id_);
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break;
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}
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case TENANT_ID: {
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cells[cell_idx].set_int(collect_->base_value_.get_tenant_id());
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break;
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}
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case SVR_IP: {
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cells[cell_idx].set_varchar(ipstr_);
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case SVR_PORT: {
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cells[cell_idx].set_int(port_);
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break;
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}
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case EVENT: {
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cells[cell_idx].set_varchar(OB_WAIT_EVENTS[event_desc->event_no_].event_name_);
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case P1TEXT: {
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cells[cell_idx].set_varchar(OB_WAIT_EVENTS[event_desc->event_no_].param1_);
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case P1: {
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cells[cell_idx].set_uint64(event_desc->p1_);
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break;
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}
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case P2TEXT: {
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cells[cell_idx].set_varchar(OB_WAIT_EVENTS[event_desc->event_no_].param2_);
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case P2: {
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cells[cell_idx].set_uint64(event_desc->p2_);
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break;
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}
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case P3TEXT: {
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cells[cell_idx].set_varchar(OB_WAIT_EVENTS[event_desc->event_no_].param3_);
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case P3: {
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cells[cell_idx].set_uint64(event_desc->p3_);
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break;
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}
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case LEVEL: {
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cells[cell_idx].set_int(event_desc->level_);
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break;
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}
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case WAIT_CLASS_ID: {
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cells[cell_idx].set_int(OB_WAIT_CLASSES[OB_WAIT_EVENTS[event_desc->event_no_].wait_class_].wait_class_id_);
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break;
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}
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case WAIT_CLASS_NO: {
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cells[cell_idx].set_int(OB_WAIT_EVENTS[event_desc->event_no_].wait_class_);
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break;
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}
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case WAIT_CLASS: {
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cells[cell_idx].set_varchar(OB_WAIT_CLASSES[OB_WAIT_EVENTS[event_desc->event_no_].wait_class_].wait_class_);
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cells[cell_idx].set_default_collation_type();
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break;
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}
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case STATE: {
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if (event_desc->wait_end_time_ == 0) {
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cells[cell_idx].set_varchar("WAITING");
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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} else if (event_desc->wait_time_ < 10000) {
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cells[cell_idx].set_varchar("WAITED SHORT TIME");
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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} else if (event_desc->wait_time_ >= 10000) {
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cells[cell_idx].set_varchar("WAITED KNOWN TIME");
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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} else {
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cells[cell_idx].set_varchar("");
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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}
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break;
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}
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case WAIT_TIME_MICRO: {
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if (event_desc->wait_end_time_ == 0) {
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cells[cell_idx].set_int(curr_time - event_desc->wait_begin_time_);
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} else {
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cells[cell_idx].set_int(event_desc->wait_time_);
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}
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break;
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}
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case TIME_REMAINING_MICRO: {
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if (event_desc->timeout_ms_ > 0) {
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if (event_desc->wait_end_time_ == 0) {
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cells[cell_idx].set_int((event_desc->timeout_ms_) * 1000 - (curr_time - event_desc->wait_begin_time_));
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} else {
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if (event_desc->wait_time_ / 1000 >= static_cast<int64_t>(event_desc->timeout_ms_)) {
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cells[cell_idx].set_int(0);
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} else {
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cells[cell_idx].set_null();
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}
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}
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} else {
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cells[cell_idx].set_int(-1);
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}
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break;
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}
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case TIME_SINCE_LAST_WAIT_MICRO: {
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if (event_desc->wait_end_time_ != 0) {
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cells[cell_idx].set_int(curr_time - event_desc->wait_end_time_);
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} else {
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cells[cell_idx].set_int(0);
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}
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break;
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}
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default: {
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if (nullptr != collect_) {
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collect_->lock_.unlock();
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}
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "invalid column id", K(ret), K(cell_idx),
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K(output_column_ids_), K(col_id));
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break;
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}
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}
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if (OB_SUCC(ret)) {
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cell_idx++;
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}
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}
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}
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if (OB_SUCC(ret)) {
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session_iter_++;
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row = &cur_row_;
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collect_->lock_.unlock();
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}
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}
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return ret;
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}
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int ObAllVirtualSessionWaitI1::get_all_diag_info()
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{
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int ret = OB_SUCCESS;
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int64_t index_id = -1;
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uint64_t key = 0;
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std::pair<uint64_t, common::ObDISessionCollect*> pair;
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for (int64_t i = 0; OB_SUCC(ret) && i < get_index_ids().count(); ++i) {
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index_id = get_index_ids().at(i);
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if (0 < index_id) {
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key = static_cast<uint64_t>(index_id);
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pair.first = key;
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if (OB_SUCCESS != (ret = ObDISessionCache::get_instance().get_the_diag_info(key, pair.second))) {
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if (OB_ENTRY_NOT_EXIST == ret) {
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ret = OB_SUCCESS;
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} else {
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SERVER_LOG(WARN, "Fail to get session status, ", K(ret));
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}
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} else {
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if (OB_SUCCESS != (ret = session_status_.push_back(pair))) {
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SERVER_LOG(WARN, "Fail to push diag info value to array, ", K(ret));
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}
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}
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}
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}
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return ret;
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}
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}/* ns observer*/
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}/* ns oceanbase */
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