416 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			416 lines
		
	
	
		
			13 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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| 
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| #include "ob_mock_utils.h"
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| #include "sql/executor/ob_distributed_scheduler.h"
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| #include "sql/executor/ob_task_event.h"
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| #include "sql/executor/ob_interm_result_manager.h"
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| #include "sql/executor/ob_local_job_executor.h"
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| #include "sql/executor/ob_local_task_executor.h"
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| #include "sql/executor/ob_distributed_task_runner.h"
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| #include "sql/executor/ob_distributed_transmit.h"
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| #include "sql/engine/ob_physical_plan_ctx.h"
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| #include "rpc/obrpc/ob_rpc_packet.h"
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| 
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| using namespace oceanbase::common;
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| using namespace oceanbase::obrpc;
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| using namespace oceanbase::storage;
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| using namespace oceanbase::share;
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| 
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| namespace oceanbase
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| {
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| namespace sql
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| {
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| 
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| ObMockSqlExecutorRpc::ObMockSqlExecutorRpc()
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| {
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|   int ret = OB_SUCCESS;
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|   for (int64_t i = 1; OB_SUCC(ret) && i <= 5; ++i) {
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|    for (int64_t j = 1; OB_SUCC(ret) && j <= 10; ++j) {
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|       ObFakePartitionKey key;
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|       key.table_id_ = i;
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|       key.partition_id_ = j;
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|       ObPartitionLocation location;
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|       ObReplicaLocation replica_loc;
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|       replica_loc.server_.set_ip_addr("127.0.0.1", (int32_t)j);
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|       replica_loc.role_ = LEADER;
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|       if (OB_SUCCESS != (ret = location.add(replica_loc))) {
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|         SQL_ENG_LOG(WARN, "fail to add replica location", K(ret), K(i), K(j));
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|       }
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|     }
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|   }
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| 
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|   partition_service_.set_col_num(TEST_MOCK_COL_NUM);
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|   for (int64_t i = 0; OB_SUCC(ret) && i < 100; ++i) {
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|     ObNewRow row;
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|     ObObj objs[TEST_MOCK_COL_NUM];
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|     row.count_ = TEST_MOCK_COL_NUM;
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|     row.cells_ = objs;
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|     for (int64_t j = 0; j < TEST_MOCK_COL_NUM; ++j) {
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|       row.cells_[j].set_int(i);
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|     }
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|     partition_service_.add_row(row);
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|   }
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| }
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| 
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| ObMockSqlExecutorRpc::~ObMockSqlExecutorRpc()
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| {
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| }
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| 
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| /*
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|  * 提交一个异步task执行请求, 在OB_TASK_NOTIFY_FETCH消息的驱动下收取结果数据
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|  */
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| int ObMockSqlExecutorRpc::task_submit(
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|     ObExecContext &ctx,
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|     ObTask &task,
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|     const common::ObAddr &svr)
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| {
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|   UNUSED(ctx);
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|   UNUSED(task);
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|   UNUSED(svr);
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|   int ret = OB_SUCCESS;
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| 
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|   const static int64_t S_BUF_SIZE = 100000;
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|   char s_buf[S_BUF_SIZE];
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|   int64_t s_buf_pos = 0;
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|   if (OB_SUCCESS != (ret = task.serialize(s_buf, S_BUF_SIZE, s_buf_pos))) {
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|     SQL_EXE_LOG(WARN, "fail to serialize task", K(ret));
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|   } else {
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|     ObExecContext exec_ctx;
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| 
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|     ObMockSqlExecutorRpc rpc;
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|     ObArenaAllocator allocator(ObModIds::OB_SQL_EXEC_CONTEXT);
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|     ObMockRemoteExecuteStreamHandle resp_handler(allocator);
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|     ObTaskExecutorCtx *executor_ctx = exec_ctx.get_task_executor_ctx();
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|     executor_ctx->set_task_executor_rpc(&rpc);
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|     executor_ctx->set_task_response_handler(resp_handler);
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|     executor_ctx->set_server(svr);
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|     executor_ctx->set_partition_service(&partition_service_);
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| 
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|     //exec_ctx.set_query_ip_port(0);
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|     ObPhysicalPlan *phy_plan = ObPhysicalPlan::alloc();
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|     //ObPhyOperatorFactory *phy_op_factory = new ObPhyOperatorFactory();
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|     //phy_plan->set_operator_factory(phy_op_factory);
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| 
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|     ObTask new_task;
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|     new_task.set_deserialize_param(exec_ctx, *phy_plan);
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|     int64_t new_pos = 0;
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|     if (OB_SUCCESS != (ret = new_task.deserialize(s_buf, s_buf_pos, new_pos))) {
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|       SQL_EXE_LOG(WARN, "fail to deserialize", K(ret));
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|     } else {
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|       //执行plan
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|       ObPhyOperator *root_op = phy_plan->get_main_query();
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|       ObDistributedTransmitInput *trans_input = dynamic_cast<ObDistributedTransmitInput *>(ctx.get_phy_op_input(root_op->get_id()));
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|       OB_ASSERT(NULL != trans_input);
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|       ObSliceID sid = trans_input->get_ob_slice_id();
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|       ObDistributedTaskRunner task_runner;
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|       if (OB_SUCCESS != (ret = task_runner.execute(exec_ctx, *phy_plan))) {
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|         SQL_EXE_LOG(WARN, "fail execute task", K(sid));
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|       }
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|       //返回task event
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|       ObTaskEvent *task_event = new ObTaskEvent();
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|       ObTaskLocation task_loc;
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|       //ObAddr remote_server;
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|       //remote_server.set_ip_addr("127.0.0.1", 9999);
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|       task_loc.set_server(task.remote_server_);
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|       task_loc.set_ob_task_id(sid.get_ob_task_id());
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|       task_event->init(task_loc, ret);
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|       if (OB_SUCCESS != (ret = ObMockPacketQueueThread::get_instance()->packet_queue_.push(task_event))) {
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|         SQL_EXE_LOG(WARN, "fail to push packet into queue", K(ret));
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|       } else {
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|         SQL_EXE_LOG(INFO, "succeed to push packet into queue", "task_event", to_cstring(*task_event));
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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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| /*
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|  * 发送一个task并阻塞等待,直到对端返回执行状态
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|  * 将执行句柄保存在handler中, 随后可以通过handler收取数据
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|  * */
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| int ObMockSqlExecutorRpc::task_execute(
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|     ObExecContext &ctx,
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|     ObTask &task,
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|     const common::ObAddr &svr,
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|     RemoteExecuteStreamHandle &handler)
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| {
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|   UNUSED(task);
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|   UNUSED(svr);
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|   UNUSED(handler);
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| 
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|   ObMockSqlExecutorRpc rpc;
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|   ObArenaAllocator allocator(ObModIds::OB_SQL_EXEC_CONTEXT);
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|   ObMockRemoteExecuteStreamHandle resp_handler(allocator);
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|   ObTaskExecutorCtx *executor_ctx = ctx.get_task_executor_ctx();
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|   executor_ctx->set_task_executor_rpc(&rpc);
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|   executor_ctx->set_task_response_handler(resp_handler);
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|   executor_ctx->set_server(svr);
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|   executor_ctx->set_partition_service(&partition_service_);
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|   SQL_EXE_LOG(INFO, "task_execute");
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|   return OB_SUCCESS;
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| }
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| /*
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|  * 发送杀死一个task的命令并阻塞等待对端返回执行状态
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|  * */
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| int ObMockSqlExecutorRpc::task_kill(
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|     ObTaskInfo &task,
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|     const common::ObAddr &svr)
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| {
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|   UNUSED(task);
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|   UNUSED(svr);
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|   return OB_SUCCESS;
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| }
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| /*
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|  * Task在Worker端执行完成,通知Scheduler启动Task读取结果
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|  * */
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| int ObMockSqlExecutorRpc::task_complete(
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|     ObTaskEvent &task_event,
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|     const common::ObAddr &svr)
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| {
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|   UNUSED(task_event);
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|   UNUSED(svr);
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|   return OB_SUCCESS;
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| }
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| 
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| /*
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|  * 发送一个task的执行结果,不等待返回
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|  * */
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| int ObMockSqlExecutorRpc::task_notify_fetch(
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|     ObTaskEvent &task_event,
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|     const common::ObAddr &svr)
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| {
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|   UNUSED(task_event);
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|   UNUSED(svr);
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|   return OB_SUCCESS;
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| }
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| /*
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|  * 获取一个task的中间结果的所有scanner,阻塞等待直到所有的scanner都返回
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|  * */
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| int ObMockSqlExecutorRpc::task_fetch_result(
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|     const ObSliceID &ob_slice_id,
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|     const common::ObAddr &svr,
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|     FetchResultStreamHandle &handler)
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| {
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|   int ret = OB_SUCCESS;
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|   ObScanner &scanner = *handler.get_result();
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|   ObObj tmp_objs[TEST_MOCK_COL_NUM];
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|   oceanbase::common::ObNewRow tmp_row;
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|   tmp_row.count_ = TEST_MOCK_COL_NUM;
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|   tmp_row.cells_ = tmp_objs;
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|   ObIntermResultIterator iter;
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|   ObIntermResultManager *ir_mgr = ObIntermResultManager::get_instance();
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|   assert(NULL != ir_mgr);
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|   ObTaskLocation task_loc;
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|   task_loc.set_server(svr);
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|   task_loc.set_ob_task_id(ob_slice_id.get_ob_task_id());
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|   ObIntermResultInfo ir_info;
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|   ir_info.init(ob_slice_id);
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|   if (OB_SUCCESS != (ret = ir_mgr->get_result(ir_info, iter))) {
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|     SQL_EXE_LOG(WARN, "fail to get interm result iterator", K(ret),
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|                 "ob_slice_id", to_cstring(ob_slice_id));
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|   } else if (task_location_exist(task_loc)) {
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|     //FIXME 暂时做成这样,第二次访问同一个location时返回OB_ITER_END
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|     ret = OB_ITER_END;
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|   } else {
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|     //FIXME 暂时只弄一个scanner,第二次访问同一个location返回OB_ITER_END
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|     while (OB_SUCC(ret)) {
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|       if (OB_SUCCESS != (ret = iter.get_next_row(tmp_row))) {
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|         if (OB_ITER_END != ret) {
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|           SQL_EXE_LOG(WARN, "fail to get next row", K(ret));
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|         } else {
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|           SQL_EXE_LOG(DEBUG, "iter has no more rows");
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|         }
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|       } else if (OB_SUCCESS != (ret = scanner.add_row(tmp_row))) {
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|         SQL_EXE_LOG(WARN, "fail to add row to scanner", K(ret));
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|       } else {
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|         SQL_EXE_LOG(DEBUG, "success to add row to scanner");
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|       }
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|     }
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|     if (OB_ITER_END == ret) {
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|       if (OB_SUCCESS != (ret = task_loc_array_.push_back(task_loc))) {
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|         SQL_EXE_LOG(WARN, "fail to push back to task location array", K(ret));
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|       } else{
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|         ret = OB_SUCCESS;
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| 
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|         SQL_EXE_LOG(DEBUG, "get a scanner",
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|                     "job_id", task_loc.get_job_id(),
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|                     "task_id", task_loc.get_task_id(),
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|                     "row_count", scanner.get_row_count());
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| 
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|       }
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|     }
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|   }
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|   SQL_EXE_LOG(INFO, "get interm result", K(ret), K(svr), K(ob_slice_id));
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|   return ret;
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| }
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| 
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| bool ObMockSqlExecutorRpc::task_location_exist(ObTaskLocation task_loc)
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| {
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|   bool loc_exist = false;
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|   for (int64_t i = 0; i < task_loc_array_.count(); ++i) {
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|     if (task_loc_array_.at(i).get_job_id() == task_loc.get_job_id()
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|         && task_loc_array_.at(i).get_task_id() == task_loc.get_task_id()) {
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|       loc_exist = true;
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|       break;
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|     }
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|   }
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|   return loc_exist;
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| }
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| 
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| bool ObMockFetchResultStreamHandle::has_more()
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| {
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|   return false;
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| }
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| 
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| int ObMockRemoteExecuteStreamHandle::get_more(ObScanner &scanner)
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| {
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|   int ret = OB_SUCCESS;
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|   static const int64_t col_num = TEST_MOCK_COL_NUM;
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|   for (int64_t i = 0; i < 1000; ++i) {
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|     ObNewRow row;
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|     ObObj objs[col_num];
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|     row.count_ = col_num;
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|     row.cells_ = objs;
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|     for (int64_t j = 0; j < col_num; ++j) {
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|       row.cells_[j].set_int(i);
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|     }
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|     if (OB_SUCCESS != (ret = scanner.add_row(row))) {
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|       SQL_EXE_LOG(ERROR, "fail to add row", K(i), K(ret));
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|     }
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|   }
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|   return ret;
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| }
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| 
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| 
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| bool ObMockRemoteExecuteStreamHandle::has_more()
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| {
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|   return false;
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| }
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| 
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| int ObMockFetchResultStreamHandle::get_more(ObScanner &scanner)
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| {
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|   int ret = OB_SUCCESS;
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|   ObObj tmp_objs[TEST_MOCK_COL_NUM];
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|   oceanbase::common::ObNewRow tmp_row;
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|   tmp_row.count_ = TEST_MOCK_COL_NUM;
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|   tmp_row.cells_ = tmp_objs;
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|   ObIntermResultIterator iter;
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|   ObIntermResultManager *ir_mgr = ObIntermResultManager::get_instance();
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|   assert(NULL != ir_mgr);
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|   ObTaskLocation task_loc;
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|   task_loc.set_server(server_);
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|   task_loc.set_ob_task_id(ob_slice_id_.get_ob_task_id());
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|   ObIntermResultInfo ir_info;
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|   ir_info.init(ob_slice_id_);
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|   if (OB_SUCCESS != (ret = ir_mgr->get_result(ir_info, iter))) {
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|     SQL_EXE_LOG(WARN, "fail to get interm result iterator", K(ret),
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|                 "ob_slice_id", to_cstring(ob_slice_id_));
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|   } else if (task_location_exist(task_loc)) {
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|     //FIXME 暂时做成这样,第二次访问同一个location时返回OB_ITER_END
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|     ret = OB_ITER_END;
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|   } else {
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|     //FIXME 暂时只弄一个scanner,第二次访问同一个location返回OB_ITER_END
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|     while (OB_SUCC(ret)) {
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|       if (OB_SUCCESS != (ret = iter.get_next_row(tmp_row))) {
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|         if (OB_ITER_END != ret) {
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|           SQL_EXE_LOG(WARN, "fail to get next row", K(ret));
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|         } else {
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|           SQL_EXE_LOG(DEBUG, "iter has no more rows");
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|         }
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|       } else if (OB_SUCCESS != (ret = scanner.add_row(tmp_row))) {
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|         SQL_EXE_LOG(WARN, "fail to add row to scanner", K(ret));
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|       } else {
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|         SQL_EXE_LOG(DEBUG, "success to add row to scanner");
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|       }
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|     }
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|     if (OB_ITER_END == ret) {
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|       if (OB_SUCCESS != (ret = task_loc_array_.push_back(task_loc))) {
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|         SQL_EXE_LOG(WARN, "fail to push back to task location array", K(ret));
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|       } else{
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|         ret = OB_SUCCESS;
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| 
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|         SQL_EXE_LOG(DEBUG, "get a scanner",
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|                     "job_id", task_loc.get_job_id(),
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|                     "task_id", task_loc.get_task_id(),
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|                     "row_count", scanner.get_row_count());
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| 
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|       }
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|     }
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|   }
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|   SQL_EXE_LOG(INFO, "get interm result", K(ret), K_(server), K_(ob_slice_id));
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|   return ret;
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| }
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| 
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| 
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| bool ObMockFetchResultStreamHandle::task_location_exist(ObTaskLocation task_loc)
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| {
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|   bool loc_exist = false;
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|   for (int64_t i = 0; i < task_loc_array_.count(); ++i) {
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|     if (task_loc_array_.at(i).get_job_id() == task_loc.get_job_id()
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|         && task_loc_array_.at(i).get_task_id() == task_loc.get_task_id()) {
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|       loc_exist = true;
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|       break;
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|     }
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|   }
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|   return loc_exist;
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| }
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| 
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| ObMockPacketQueueThread *ObMockPacketQueueThread::instance_ = NULL;
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| obutil::Mutex ObMockPacketQueueThread::locker_;
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| 
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| ObMockPacketQueueThread::ObMockPacketQueueThread()
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| {
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|   packet_queue_.init(8192, common::ObModIds::OB_SQL_EXECUTOR_TASK_EVENT);
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|   set_thread_count(THREAD_COUNT);
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| }
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| 
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| ObMockPacketQueueThread *ObMockPacketQueueThread::get_instance()
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| {
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|   if (NULL == instance_) {
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|     locker_.lock();
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|     if (NULL == instance_) {
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|       instance_ = new ObMockPacketQueueThread();
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|       if (NULL == instance_) {
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|         SQL_EXE_LOG(ERROR, "instance is NULL, unexpected");
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|       } else {
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|         //empty
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|       }
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|     }
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|     locker_.unlock();
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|   }
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|   return instance_;
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| }
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| 
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| void ObMockPacketQueueThread::run(obsys::CThread *thread, void *arg)
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| {
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|   SQL_EXE_LOG(INFO, "mock packet queue is running...");
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| 
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|   UNUSED(arg);
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|   int ret = OB_SUCCESS;
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|   int64_t timeout_us = INT64_MAX;
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|   void *msg = NULL;
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|   ObDistributedSchedulerManager *sc_manager = ObDistributedSchedulerManager::get_instance();
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|   while(OB_SUCCESS == (ret = ObMockPacketQueueThread::get_instance()->packet_queue_.pop(timeout_us, msg))) {
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|     ObTaskEvent *packet = reinterpret_cast<ObTaskEvent*>(msg);
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|     if (NULL == packet) {
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|       SQL_EXE_LOG(ERROR, "packet is NULL");
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|     } else if (OB_SUCCESS != (ret = sc_manager->signal_scheduler(*packet))) {
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|       SQL_EXE_LOG(WARN, "fail to signal scheduler", K(ret));
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|     } else {
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|       //empty
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|     }
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|   }
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| }
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| 
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| }/* ns sql*/
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| }/* ns oceanbase */
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