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Copy pathob_sql_task.cpp
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141 lines (126 loc) · 3.66 KB
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/**
* 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.
*/
#define USING_LOG_PREFIX SQL
#include "ob_sql_task.h"
#include "ob_sql.h"
using namespace oceanbase::observer;
using namespace oceanbase::common;
using namespace oceanbase::obrpc;
void ObSqlTaskHandler::reset()
{
task_ = NULL;
sql_engine_ = NULL;
}
int ObSqlTaskHandler::init(observer::ObSrvTask *task, ObSql *sql_engine)
{
int ret = OB_SUCCESS;
if (NULL == task || NULL == sql_engine) {
ret = OB_INVALID_ARGUMENT;;
SQL_LOG(WARN, "invalid argument", K(ret), KP(task), KP(sql_engine));
} else {
//表示该task是Observer内部生成的task
task_ = task;
sql_engine_ = sql_engine;
}
return ret;
}
int ObSqlTaskHandler::run()
{
int ret = OB_SUCCESS;
if (NULL == task_) {
ret = OB_ERR_UNEXPECTED;
SQL_LOG(WARN, "task is null, unexpected error", K(ret), KP_(task));
} else if (NULL == sql_engine_) {
ret = OB_ERR_UNEXPECTED;
SQL_LOG(WARN, "sql engine is null, unexpected error", K(ret), KP_(sql_engine));
} else {
// ObSqlTask *task = static_cast<ObSqlTask *>(task_);
// ObCurTraceId::set(task->get_trace_id());
// if (OB_FAIL(sql_engine_->handle_batch_req(task->get_msg_type(),
// task->get_req_ts(),
// task->get_buf(),
// task->get_size()))) {
// SQL_LOG(WARN, "handle sql task failed", K(ret), K(*task));
// }
}
return ret;
}
void ObSqlTask::reset()
{
msg_type_ = 0;
size_ = 0;
handler_.reset();
}
int ObSqlTask::init(const int msg_type, const ObReqTimestamp &req_ts, const char *buf, const int64_t size, ObSql *sql_engine)
{
int ret = OB_SUCCESS;
if (OB_ISNULL(buf) ||
OB_UNLIKELY(0 >= size) ||
OB_UNLIKELY(MAX_SQL_TASK_SIZE < size) ||
OB_ISNULL(sql_engine)) {
ret = OB_INVALID_ARGUMENT;
SQL_LOG(WARN, "invalid argument", K(ret), KP(buf), K(size), KP(sql_engine), K(msg_type));
} else if (OB_FAIL(handler_.init(this, sql_engine))) {
SQL_LOG(WARN, "ObSqlTaskHandler init failed", K(ret));
} else {
//与sql断连接的task区别开来，用于内存释放
set_type(ObRequest::OB_SQL_TASK);
msg_type_ = msg_type;
memcpy(buf_, buf, size);
size_ = size;
req_ts_ = req_ts;
ObCurTraceId::TraceId *trace_id = ObCurTraceId::get_trace_id();
if (OB_LIKELY(NULL != trace_id)) {
trace_id_.set(*trace_id);
}
}
return ret;
}
int ObSqlTaskFactory::init()
{
// do nothing
return OB_SUCCESS;
}
void ObSqlTaskFactory::destroy()
{
}
ObSqlTask *ObSqlTaskFactory::alloc(const uint64_t tenant_id)
{
return alloc_(tenant_id);
}
void ObSqlTaskFactory::free(ObSqlTask *task)
{
free_(task);
}
ObSqlTaskFactory &ObSqlTaskFactory::get_instance()
{
static ObSqlTaskFactory instance;
return instance;
}
ObSqlTask *ObSqlTaskFactory::alloc_(const uint64_t tenant_id)
{
ObMemAttr memattr(tenant_id, "OB_SQL_TASK");
void *ptr = NULL;
ObSqlTask *task = NULL;
if (NULL != (ptr = ob_malloc(sizeof(ObSqlTask), memattr))) {
task = new(ptr) ObSqlTask();
}
return task;
}
void ObSqlTaskFactory::free_(ObSqlTask *task)
{
if (NULL != task) {
task->~ObSqlTask();
ob_free(task);
task = NULL;
}
}