Files
oceanbase/src/observer/virtual_table/ob_all_virtual_tx_stat.cpp
2023-05-07 07:38:34 +00:00

314 lines
10 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#include "observer/virtual_table/ob_all_virtual_tx_stat.h"
#include "observer/ob_server.h"
#include "storage/tx/ob_trans_service.h"
using namespace oceanbase::common;
using namespace oceanbase::transaction;
namespace oceanbase
{
namespace observer
{
void ObGVTxStat::reset()
{
ip_buffer_[0] = '\0';
participants_buffer_[0] = '\0';
scheduler_buffer_[0] = '\0';
ctx_addr_buffer_[0] = '\0';
ObVirtualTableScannerIterator::reset();
all_tenants_.reset();
xid_.reset();
init_ = false;
}
void ObGVTxStat::destroy()
{
memset(ip_buffer_, 0, common::OB_IP_STR_BUFF);
memset(participants_buffer_, 0, OB_MAX_BUFFER_SIZE);
memset(scheduler_buffer_, 0, MAX_IP_PORT_LENGTH + 8);
memset(ctx_addr_buffer_, 0, CTX_ADDR_BUFFER_SIZE);
ObVirtualTableScannerIterator::reset();
all_tenants_.reset();
xid_.reset();
init_ = false;
}
int ObGVTxStat::prepare_start_to_read_()
{
int ret = OB_SUCCESS;
tx_stat_iter_.reset();
if (NULL == allocator_) {
SERVER_LOG(WARN, "invalid argument, allocator_ or txs_ is null", "allocator",
OB_P(allocator_));
ret = OB_INVALID_ARGUMENT;
} else if (OB_SUCCESS != (ret = fill_tenant_ids_())) {
SERVER_LOG(WARN, "fail to fill tenant ids", K(ret));
} else {
for (int i = 0; i < all_tenants_.count() && OB_SUCC(ret); i++) {
int64_t cur_tenant_id = all_tenants_.at(i);
MTL_SWITCH(cur_tenant_id) {
transaction::ObTransService *txs = MTL(transaction::ObTransService*);
if (OB_SUCCESS != (ret = txs->iterate_all_observer_tx_stat(tx_stat_iter_))) {
SERVER_LOG(WARN, "iterate transaction stat error", K(ret), K(cur_tenant_id));
// when interate tenant failed, show all info collected, not need return error code
if (OB_NOT_RUNNING == ret || OB_NOT_INIT == ret) {
ret = OB_SUCCESS;
}
}
}
}
}
if (OB_SUCCESS != ret) {
// SERVER_LOG(WARN, "fail to prepare start to read", K(ret));
} else if (OB_SUCCESS != (ret = tx_stat_iter_.set_ready())) { // set ready for the first count
SERVER_LOG(WARN, "ObTransStatIterator set ready error", K(ret));
} else {
start_to_read_ = true;
}
return ret;
}
int ObGVTxStat::init()
{
int ret = OB_SUCCESS;
if (init_) {
ret = OB_INIT_TWICE;
SERVER_LOG(WARN, "init twice", K(ret));
} else {
init_ = true;
}
return ret;
}
int ObGVTxStat::get_next_tx_info_(ObTxStat &tx_stat)
{
ObTxStat tmp_tx_stat;
int ret = tx_stat_iter_.get_next(tmp_tx_stat);
if (OB_SUCC(ret)) {
tx_stat = tmp_tx_stat;
}
return ret;
}
int ObGVTxStat::fill_tenant_ids_()
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!init_)) {
ret = OB_NOT_INIT;
SERVER_LOG(WARN, "not init", K(ret));
} else if (OB_INVALID_TENANT_ID == effective_tenant_id_) {
ret = OB_ERR_UNEXPECTED;
SERVER_LOG(ERROR, "invalid tenant id", KR(ret), K_(effective_tenant_id));
} else if (OB_ISNULL(GCTX.omt_)) {
ret = OB_ERR_UNEXPECTED;
SERVER_LOG(WARN, "fail to get multi tenant from GCTX", K(ret));
} else {
omt::TenantIdList tmp_all_tenants;
tmp_all_tenants.set_label(ObModIds::OB_TENANT_ID_LIST);
GCTX.omt_->get_tenant_ids(tmp_all_tenants);
for (int64_t i = 0; OB_SUCC(ret) && i < tmp_all_tenants.size(); ++i) {
uint64_t tenant_id = tmp_all_tenants[i];
if (!is_virtual_tenant_id(tenant_id) && // skip virtual tenant
(is_sys_tenant(effective_tenant_id_) || tenant_id == effective_tenant_id_)) {
if (OB_FAIL(all_tenants_.push_back(tenant_id))) {
SERVER_LOG(WARN, "fail to push back tenant id", KR(ret), K(tenant_id));
}
}
}
SERVER_LOG(INFO, "succeed to get tenant ids", K(all_tenants_));
}
return ret;
}
int ObGVTxStat::inner_get_next_row(ObNewRow *&row)
{
int ret = OB_SUCCESS;
ObTxStat tx_stat;
if (!start_to_read_ && OB_SUCCESS != (ret = prepare_start_to_read_())) {
SERVER_LOG(WARN, "prepare start to read error", K(ret), K(start_to_read_));
} else if (OB_SUCCESS != (ret = get_next_tx_info_(tx_stat))) {
if (OB_ITER_END != ret) {
SERVER_LOG(WARN, "ObGVTxStat iter error", K(ret));
} else {
SERVER_LOG(DEBUG, "ObGVTxStat iter end success");
}
} else {
const int64_t col_count = output_column_ids_.count();
xid_ = tx_stat.xid_;
for (int64_t i = 0; OB_SUCC(ret) && i < col_count; ++i) {
uint64_t col_id = output_column_ids_.at(i);
switch (col_id) {
case TENANT_ID:
cur_row_.cells_[i].set_int(tx_stat.tenant_id_);
break;
case SVR_IP:
(void)tx_stat.addr_.ip_to_string(ip_buffer_, common::OB_IP_STR_BUFF);
cur_row_.cells_[i].set_varchar(ip_buffer_);
cur_row_.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
break;
case SVR_PORT:
cur_row_.cells_[i].set_int(tx_stat.addr_.get_port());
break;
case TX_TYPE:
cur_row_.cells_[i].set_int(tx_stat.tx_type_);
break;
case TX_ID:
cur_row_.cells_[i].set_int(tx_stat.tx_id_.get_id());
break;
case SESSION_ID:
cur_row_.cells_[i].set_int(tx_stat.session_id_);
break;
case SCHEDULER_ADDR:
(void)tx_stat.scheduler_addr_.to_string(scheduler_buffer_, MAX_IP_PORT_LENGTH + 8);
cur_row_.cells_[i].set_varchar(scheduler_buffer_);
cur_row_.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
break;
case IS_DECIDED:
cur_row_.cells_[i].set_bool(tx_stat.has_decided_);
break;
case LS_ID:
cur_row_.cells_[i].set_int(tx_stat.ls_id_.id());
break;
case PARTICIPANTS:
// if participants' count is equal to 0, then its value is NULL
if (0 < tx_stat.participants_.count()) {
(void)tx_stat.participants_.to_string(participants_buffer_, OB_MAX_BUFFER_SIZE);
cur_row_.cells_[i].set_varchar(participants_buffer_);
cur_row_.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
} else {
cur_row_.cells_[i].reset();
cur_row_.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
}
break;
case TX_CTX_CREATE_TIME:
if (is_valid_timestamp_(tx_stat.tx_ctx_create_time_)) {
cur_row_.cells_[i].set_timestamp(tx_stat.tx_ctx_create_time_);
} else {
// if invalid timestamp, display NULL
cur_row_.cells_[i].reset();
}
break;
case TX_EXPIRED_TIME:
if (is_valid_timestamp_(tx_stat.tx_expired_time_)) {
cur_row_.cells_[i].set_timestamp(tx_stat.tx_expired_time_);
} else {
// if invalid timestamp, display NULL
cur_row_.cells_[i].reset();
}
break;
case REF_CNT:
cur_row_.cells_[i].set_int(tx_stat.ref_cnt_);
break;
case LAST_OP_SN:
cur_row_.cells_[i].set_int(tx_stat.last_op_sn_);
break;
case PENDING_WRITE:
cur_row_.cells_[i].set_int(tx_stat.pending_write_);
break;
case STATE:
cur_row_.cells_[i].set_int(tx_stat.state_);
break;
case PART_TX_ACTION:
cur_row_.cells_[i].set_int(tx_stat.part_tx_action_);
break;
case TX_CTX_ADDR:
ctx_addr_buffer_[0] = 0;
snprintf(ctx_addr_buffer_, 18, "0x%lx", (uint64_t)tx_stat.tx_ctx_addr_);
cur_row_.cells_[i].set_varchar(ctx_addr_buffer_);
break;
case MEM_CTX_ID:
//TODO shanyan.g removed schema
cur_row_.cells_[i].set_int(-1);
break;
case PENDING_LOG_SIZE:
cur_row_.cells_[i].set_int(tx_stat.pending_log_size_);
break;
case FLUSHED_LOG_SIZE:
cur_row_.cells_[i].set_int(tx_stat.flushed_log_size_);
break;
case ROLE_STATE:
cur_row_.cells_[i].set_int(tx_stat.role_state_);
break;
case IS_EXITING:
cur_row_.cells_[i].set_int(tx_stat.is_exiting_);
break;
case COORD:
cur_row_.cells_[i].set_int(tx_stat.coord_.id());
break;
case LAST_REQUEST_TS:
cur_row_.cells_[i].set_timestamp(tx_stat.last_request_ts_);
break;
case GTRID:
if (!xid_.empty()) {
cur_row_.cells_[i].set_varchar(xid_.get_gtrid_str());
cur_row_.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
} else {
// use default value NULL
cur_row_.cells_[i].reset();
}
break;
case BQUAL:
if (!xid_.empty()) {
cur_row_.cells_[i].set_varchar(xid_.get_bqual_str());
cur_row_.cells_[i].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
} else {
// use default value NULL
cur_row_.cells_[i].reset();
}
break;
case FORMAT_ID:
if (!xid_.empty()) {
cur_row_.cells_[i].set_int(xid_.get_format_id());
} else {
cur_row_.cells_[i].set_int(-1);
}
break;
default:
ret = OB_ERR_UNEXPECTED;
SERVER_LOG(WARN, "invalid coloum_id", K(ret), K(col_id));
break;
}
}
}
if (OB_SUCC(ret)) {
row = &cur_row_;
}
return ret;
}
bool ObGVTxStat::is_valid_timestamp_(const int64_t timestamp) const
{
bool ret_bool = true;
if (INT64_MAX == timestamp || 0 > timestamp) {
ret_bool = false;
}
return ret_bool;
}
}/* ns observer*/
}/* ns oceanbase */