83 lines
2.3 KiB
C++
83 lines
2.3 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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#ifndef OCEANBASE_SQL_OB_SQL_TASK_
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#define OCEANBASE_SQL_OB_SQL_TASK_
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#include "rpc/frame/ob_req_processor.h"
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#include "observer/ob_srv_task.h"
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namespace oceanbase
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{
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namespace sql
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{
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class ObSql;
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class ObSqlTaskHandler : public rpc::frame::ObReqProcessor
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{
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public:
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ObSqlTaskHandler() : task_(NULL), sql_engine_(NULL) {}
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~ObSqlTaskHandler() {}
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int init(observer::ObSrvTask *task, ObSql *sql_engine);
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void reset();
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protected:
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int run();
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private:
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DISALLOW_COPY_AND_ASSIGN(ObSqlTaskHandler);
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observer::ObSrvTask *task_;
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ObSql *sql_engine_;
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};
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class ObSqlTask : public observer::ObSrvTask
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{
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friend class ObSqlTaskFactory;
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public:
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ObSqlTask() : msg_type_(0), size_(0), handler_() {}
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~ObSqlTask() {}
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int init(const int msg_type, const ObReqTimestamp &req_ts, const char *buf, const int64_t size, ObSql *sql_engine);
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void reset();
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int get_msg_type() const { return msg_type_; }
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const char *get_buf() const { return buf_; }
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int64_t get_size() const { return size_; }
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rpc::frame::ObReqProcessor &get_processor() { return handler_; }
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const ObReqTimestamp &get_req_ts() const { return req_ts_; }
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TO_STRING_KV(KP(this), K_(msg_type));
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public:
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static const int64_t MAX_SQL_TASK_SIZE = 16 * 1024 - 128;
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private:
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int msg_type_;
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char buf_[MAX_SQL_TASK_SIZE];
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int64_t size_;
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ObSqlTaskHandler handler_;
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ObReqTimestamp req_ts_;
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};
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class ObSqlTaskFactory
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{
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public:
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ObSqlTaskFactory() {}
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~ObSqlTaskFactory() { destroy(); }
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int init();
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void destroy();
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public:
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ObSqlTask *alloc(const uint64_t tenant_id);
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void free(ObSqlTask *task);
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static ObSqlTaskFactory &get_instance();
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private:
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ObSqlTask *alloc_(const uint64_t tenant_id);
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void free_(ObSqlTask *task);
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};
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} // transaction
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} // oceanbase
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#endif // OCEANBASE_SQL_OB_SQL_TASK_
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