315 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			315 lines
		
	
	
		
			12 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 <vector>
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| #include <thread>
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| #define private public
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| #include "logservice/ob_log_external_storage_handler.h"
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| #include "logservice/ob_log_external_storage_io_task.h"
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| #include "share/backup/ob_backup_io_adapter.h"
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| #undef private
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| #include "share/ob_device_manager.h"
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| #include <gtest/gtest.h>
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| 
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| namespace oceanbase
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| {
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| namespace unittest
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| {
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| using namespace common;
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| using namespace logservice;
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| 
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| class ObLogExternalStorageIOTaskHandleDummyAdapter : public ObLogExternalStorageIOTaskHandleIAdapter {
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| public:
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| 
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|   ObLogExternalStorageIOTaskHandleDummyAdapter() {}
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|   ~ObLogExternalStorageIOTaskHandleDummyAdapter() override {}
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| 
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|   // Implemetn
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| public:
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| 
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|   int exist(const common::ObString &uri,
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|             const common::ObString &storage_info,
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|             bool &exist) override final
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|   {
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|     exist = true;
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|     return OB_SUCCESS;
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|   }
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| 
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|   int get_file_size(const common::ObString &uri,
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|                     const common::ObString &storage_info,
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|                     int64_t &file_size) override final
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|   {
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|     file_size = palf::PALF_PHY_BLOCK_SIZE;
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|     return OB_SUCCESS;
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|   }
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| 
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|   int pread(const common::ObString &uri,
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|             const common::ObString &storage_info,
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|             const int64_t offset,
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|             char *buf,
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|             const int64_t read_buf_size,
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|             int64_t &real_read_size) override final
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|   {
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|     // 假设8M每秒的读取速度
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|     const int64_t sleep_us = read_buf_size / (8);
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|     int ret = OB_SUCCESS;
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|     usleep(sleep_us);
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|     if (offset == palf::PALF_PHY_BLOCK_SIZE) {
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|       real_read_size = 0;
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|     } else if (offset > palf::PALF_PHY_BLOCK_SIZE) {
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|       ret = OB_FILE_LENGTH_INVALID;
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|     } else {
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|       real_read_size = read_buf_size;
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|     }
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|     // while (true) {
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|     //   int64_t old_real_read_size = ATOMIC_LOAD(&real_read_size);
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|     //   int64_t new_real_read_size = old_real_read_size + read_buf_size;
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|     //   CLOG_LOG(INFO, "dummy pread before update real_read_size", K(real_read_size), K(read_buf_size),
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|     //            K(old_real_read_size), K(new_real_read_size));
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|     //   if (ATOMIC_BCAS(&real_read_size, old_real_read_size, new_real_read_size)) {
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|     //     CLOG_LOG(INFO, "dummy pread can update real_read_size", K(real_read_size), K(read_buf_size),
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|     //              K(old_real_read_size), K(new_real_read_size));
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|     //     break;
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|     //   }
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|     //   CLOG_LOG(INFO, "dummy pread can not update real_read_size", K(real_read_size), K(read_buf_size),
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|     //            K(old_real_read_size), K(new_real_read_size));
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|     // };
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|     CLOG_LOG(INFO, "dummy pread success", K(real_read_size), K(read_buf_size));
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|     return OB_SUCCESS;
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|   }
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| };
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| 
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| int delete_oss_object(const common::ObString &uri,
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|                    const ObString &oss_info)
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| {
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|   int ret = OB_SUCCESS;
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|   common::ObBackupIoAdapter io_adapter;
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|   share::ObBackupStorageInfo storage_info;
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|   if (OB_FAIL(storage_info.set(OB_STORAGE_OSS, oss_info.ptr()))) {
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|     CLOG_LOG(WARN, "set ObBackupStorageInfo failed", K(oss_info));
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|   } else if (OB_FAIL(io_adapter.del_file(uri, &storage_info))) {
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|     CLOG_LOG(WARN, "del dir failed", K(oss_info));
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|   } else {}
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|   return ret;
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| }
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| 
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| int generate_oss_data(const common::ObString &uri,
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|                       const ObString &oss_info,
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|                       const char *buf,
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|                       const int64_t size)
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| {
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| 
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|   common::ObBackupIoAdapter io_adapter;
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|   share::ObBackupStorageInfo storage_info;
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|   int ret = OB_SUCCESS;
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|   bool exist = false;
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|   if (OB_FAIL(storage_info.set(OB_STORAGE_OSS, oss_info.ptr()))) {
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|     CLOG_LOG(WARN, "set ObBackupStorageInfo failed", K(oss_info));
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|   } else if (OB_FAIL(io_adapter.is_exist(uri, &storage_info, exist))) {
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|     CLOG_LOG(WARN, "is_exist failed", K(oss_info));
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|   } else if (!exist && OB_FAIL(io_adapter.write_single_file(uri, &storage_info, buf, size))) {
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|     CLOG_LOG(WARN, "ObBackupStorageInfo write_single_file failed", K(oss_info));
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|   } else {
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|   }
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|   return ret;
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| }
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| 
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| TEST(TestLogExternalStorageHandler, test_log_external_storage_handler)
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| {
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|   ObLogExternalStorageHandler handler;
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|   // 测试异常内存状态——没有init
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|   EXPECT_EQ(false, handler.is_inited_);
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|   EXPECT_EQ(OB_NOT_INIT, handler.start(10));
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|   const int64_t MB = 1*1024*1024;
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|   ObString uri = "oss://runlin_test";
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|   ObString storage_info = "runlin_test";
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|   int64_t offset = 0;
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|   int64_t read_buf_size = 15*MB;
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|   char *read_buf = reinterpret_cast<char*>(ob_malloc(read_buf_size, "unittest"));
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|   ASSERT_NE(nullptr, read_buf);
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|   int64_t real_read_size = 0;
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|   EXPECT_EQ(OB_NOT_INIT, handler.pread(uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|   EXPECT_EQ(OB_NOT_INIT, handler.resize(16, 0));
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| 
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|   // 测试异常内存状态——没有start
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|   EXPECT_EQ(OB_SUCCESS, handler.init());
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|   ObLogExternalStorageIOTaskHandleDummyAdapter adapter;
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|   ObLogExternalStorageIOTaskHandleIAdapter *origin_adapter = handler.handle_adapter_;
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|   handler.handle_adapter_ = &adapter;
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|   EXPECT_EQ(true, handler.is_inited_);
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|   EXPECT_EQ(OB_NOT_RUNNING, handler.pread(uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|   EXPECT_EQ(OB_NOT_RUNNING, handler.resize(16, 100));
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| 
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| 
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|   // 测试invalid argument
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|   EXPECT_EQ(OB_INVALID_ARGUMENT, handler.start(-1));
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|   // 当concurrency超过最大并发度时,以最大并发度为准
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|   EXPECT_NE(OB_INVALID_ARGUMENT, handler.start(ObLogExternalStorageHandler::CONCURRENCY_LIMIT+1));
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|   EXPECT_EQ(ObLogExternalStorageHandler::CONCURRENCY_LIMIT, handler.concurrency_);
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|   EXPECT_EQ(ObLogExternalStorageHandler::CONCURRENCY_LIMIT*ObLogExternalStorageHandler::CAPACITY_COEFFICIENT,
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|             handler.capacity_);
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|   EXPECT_EQ(true, handler.is_running_);
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| 
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|   // 重复start
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|   const int64_t concurrency = 16;
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|   EXPECT_EQ(OB_SUCCESS, handler.start(concurrency));
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| 
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|   // 验证读取——invalid argument
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|   {
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|     ObString empty_uri;
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|     EXPECT_EQ(OB_INVALID_ARGUMENT, handler.pread(empty_uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|     // NFS的storage info为empty
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|     ObString empty_storage_info;
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|     EXPECT_EQ(OB_SUCCESS, handler.pread(uri, empty_storage_info, offset, read_buf, read_buf_size, real_read_size));
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|     int64_t invalid_offset = -1;
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|     EXPECT_EQ(OB_INVALID_ARGUMENT, handler.pread(uri, storage_info, invalid_offset, read_buf, read_buf_size, real_read_size));
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|     // 读偏移等于文件长度,返回成功,real_read_size=0
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|     int64_t valid_offset = 64*1024*1024;
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|     EXPECT_NE(OB_INVALID_ARGUMENT, handler.pread(uri, storage_info, valid_offset, read_buf, read_buf_size, real_read_size));
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|     EXPECT_EQ(0, real_read_size);
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|     char *invalid_read_buf = NULL;
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|     EXPECT_EQ(OB_INVALID_ARGUMENT, handler.pread(uri, storage_info, offset, invalid_read_buf, read_buf_size, real_read_size));
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|     int64_t invalid_read_buf_size = 0;
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|     EXPECT_EQ(OB_INVALID_ARGUMENT, handler.pread(uri, storage_info, offset, read_buf, invalid_read_buf_size, real_read_size));
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|   }
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| 
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|   // 验证resize——invalid argument
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|   {
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|     int64_t invalid_concurrency = -1;
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|     EXPECT_EQ(OB_INVALID_ARGUMENT, handler.resize(invalid_concurrency, 0));
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|     int64_t invalid_timeout_us = 0;
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|     EXPECT_EQ(OB_INVALID_ARGUMENT, handler.resize(concurrency, invalid_timeout_us));
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| 
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|   }
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| 
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|   // 验证私有函数
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|   {
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|     EXPECT_EQ(OB_SUCCESS, handler.resize_(16));
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|     // 验证is_valid_concurrency_为false
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|     int64_t invalid_concurrency = -1;
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|     EXPECT_EQ(false, handler.is_valid_concurrency_(invalid_concurrency));
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| 
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|     // 当并发度超过128时,会将concurrency_设置为128.
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|     invalid_concurrency = ObLogExternalStorageHandler::CONCURRENCY_LIMIT + 1;
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|     EXPECT_EQ(true, handler.is_valid_concurrency_(invalid_concurrency));
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| 
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|     // 验证get_async_task_count_
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|     // 单个任务最小2M, 在concurrency足够的情况下,最多存在8个异步任务
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|     int64_t total_size = 15 * MB;
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|     EXPECT_EQ(8, handler.get_async_task_count_(total_size));
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|     // 最多存在51个异步任务,由于并发度问题,只能存在16个
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|     total_size = 101 * MB;
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|     EXPECT_EQ(16, handler.get_async_task_count_(total_size));
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| 
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|     ObLogExternalStorageIOTaskCtx *async_task_ctx = NULL;
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|     // 验证construct_async_tasks_and_push_them_into_thread_pool_
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|     real_read_size = 0;
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|     EXPECT_EQ(OB_SUCCESS, handler.construct_async_tasks_and_push_them_into_thread_pool_
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|               (uri, storage_info, offset, read_buf, read_buf_size, real_read_size, async_task_ctx));
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|     EXPECT_EQ(handler.get_async_task_count_(read_buf_size), async_task_ctx->total_task_count_);
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|     EXPECT_EQ(OB_SUCCESS, handler.wait_async_tasks_finished_(async_task_ctx));
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|     ASSERT_EQ(real_read_size, read_buf_size);
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|     CLOG_LOG(INFO, "after test private interface", K(real_read_size), K(read_buf_size));
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|   }
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| 
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|   // 验证公有函数
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|   {
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|     real_read_size = 0;
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|     int64_t invalid_offset = 100*1024*1024;
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|     EXPECT_EQ(OB_FILE_LENGTH_INVALID, handler.pread(uri, storage_info, invalid_offset, read_buf, read_buf_size, real_read_size));
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| 
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|     EXPECT_EQ(OB_SUCCESS, handler.pread(uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|     EXPECT_EQ(read_buf_size, real_read_size);
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|     CLOG_LOG(INFO, "after first read", K(read_buf_size), K(real_read_size));
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|     int64_t new_concurrency = 8;
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|     EXPECT_EQ(OB_SUCCESS, handler.resize(new_concurrency));
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|     EXPECT_EQ(new_concurrency, handler.concurrency_);
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|     EXPECT_EQ(new_concurrency*ObLogExternalStorageHandler::CAPACITY_COEFFICIENT,
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|               handler.capacity_);
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| 
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|     new_concurrency = 129;
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|     EXPECT_EQ(OB_SUCCESS, handler.resize(new_concurrency));
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|     EXPECT_EQ(ObLogExternalStorageHandler::CONCURRENCY_LIMIT, handler.concurrency_);
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|     EXPECT_EQ(ObLogExternalStorageHandler::CONCURRENCY_LIMIT*ObLogExternalStorageHandler::CAPACITY_COEFFICIENT,
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|               handler.capacity_);
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|     new_concurrency = 0;
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|     EXPECT_EQ(OB_SUCCESS, handler.resize(new_concurrency));
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| 
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|     real_read_size = 0;
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|     EXPECT_EQ(OB_SUCCESS, handler.pread(uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|     EXPECT_EQ(read_buf_size, real_read_size);
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|     CLOG_LOG(INFO, "after second read", K(read_buf_size), K(real_read_size));
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| 
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|     new_concurrency = 32;
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|     EXPECT_EQ(OB_SUCCESS, handler.resize(new_concurrency));
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| 
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|     real_read_size = 0;
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|     EXPECT_EQ(OB_SUCCESS, handler.pread(uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|     EXPECT_EQ(read_buf_size, real_read_size);
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|     CLOG_LOG(INFO, "after third read", K(read_buf_size), K(real_read_size));
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| 
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|     read_buf_size = 63*1000*1000+123;
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|     real_read_size = 0;
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|     EXPECT_EQ(OB_SUCCESS, handler.pread(uri, storage_info, offset, read_buf, read_buf_size, real_read_size));
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|     EXPECT_EQ(read_buf_size, real_read_size);
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|     CLOG_LOG(INFO, "after fourth read", K(read_buf_size), K(real_read_size));
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|   }
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| 
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|   // 并发场景验证
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|   {
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|     const int64_t pread_thread_count = 16;
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|     std::vector<std::thread> pread_thread;
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|     auto read_func = [&](){
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|       for (int i = 0; i < 8; i++) {
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|         srandom(ObTimeUtility::current_time());
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|         const int64_t tmp_read_buf_size = random()%64*1024*1024 + 1;
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|         int64_t tmp_real_read_size = 0;
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|         int64_t tmp_offset = 64*1024*1024 - tmp_read_buf_size;
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|         handler.pread(uri, storage_info, tmp_offset, read_buf, tmp_read_buf_size, tmp_real_read_size);
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|         EXPECT_EQ(tmp_real_read_size, tmp_read_buf_size);
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|         CLOG_LOG(INFO, "pread in thread success", K(tmp_real_read_size), K(tmp_read_buf_size));
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|       }
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|     };
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|     auto resize_func = [&](){
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|       for (int i = 0; i < 8; i++) {
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|         srandom(ObTimeUtility::current_time());
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|         handler.resize(random()%37);
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|         usleep(1000 * 1000);
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|       }
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|     };
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|     for (int i = 0; i < pread_thread_count; i++) {
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|       pread_thread.emplace_back(std::thread(read_func));
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|     }
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|     std::thread resize_thread(resize_func);
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| 
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|     for (int i = 0; i < pread_thread_count; i++) {
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|       pread_thread[i].join();
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|     }
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|     resize_thread.join();
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|   }
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|   handler.handle_adapter_ = origin_adapter;
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| }
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| 
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| }
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| }
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| 
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| int main(int argc, char **argv)
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| {
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|   system("rm -rf test_log_external_storage_handler.log*");
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|   OB_LOGGER.set_file_name("test_log_external_storage_handler.log", true);
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|   OB_LOGGER.set_log_level("WDIAG");
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|   srandom(ObTimeUtility::current_time());
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|   PALF_LOG(INFO, "begin unittest::test_log_external_storage_handler");
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|   ::testing::InitGoogleTest(&argc, argv);
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|   return RUN_ALL_TESTS();
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| }
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