91 lines
3.0 KiB
C++
91 lines
3.0 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_COMMON_OB_CLUSTER_ROLE_H_
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#define OCEANBASE_COMMON_OB_CLUSTER_ROLE_H_
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#include <pthread.h>
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#include "lib/string/ob_string.h"
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namespace oceanbase
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{
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namespace common
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{
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enum ObClusterRole
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{
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INVALID_CLUSTER_ROLE = 0,
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PRIMARY_CLUSTER = 1,
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STANDBY_CLUSTER = 2,
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};
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enum ObClusterStatus
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{
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INVALID_CLUSTER_STATUS = 0,
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CLUSTER_VALID = 1,
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CLUSTER_DISABLED,
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REGISTERED,
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CLUSTER_DISABLED_WITH_READONLY,
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MAX_CLUSTER_STATUS,
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};
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enum ObProtectionMode
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{
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INVALID_PROTECTION_MODE = 0,
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MAXIMUM_PERFORMANCE_MODE = 1,
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MAXIMUM_AVAILABILITY_MODE = 2,
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MAXIMUM_PROTECTION_MODE = 3,
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PROTECTION_MODE_MAX
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};
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enum ObProtectionLevel
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{
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INVALID_PROTECTION_LEVEL = 0,
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MAXIMUM_PERFORMANCE_LEVEL = 1,
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MAXIMUM_AVAILABILITY_LEVEL = 2,
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MAXIMUM_PROTECTION_LEVEL = 3,
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RESYNCHRONIZATION_LEVEL = 4,
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MPF_TO_MPT_LEVEL = 5,// mpf->mpt middle state, used under mpf mode
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MPF_TO_MA_MPT_LEVEL = 6,// mpf->ma middle state, mpf->mpt middle state, used under ma mode
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PROTECTION_LEVEL_MAX
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};
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const char *cluster_role_to_str(ObClusterRole type);
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const char *cluster_status_to_str(ObClusterStatus type);
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const char *cluster_protection_mode_to_str(ObProtectionMode mode);
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const char *cluster_protection_level_to_str(ObProtectionLevel level);
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ObProtectionMode str_to_cluster_protection_mode(const common::ObString &str);
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ObProtectionLevel str_to_cluster_protection_level(const common::ObString &str);
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bool is_disabled_cluster(const ObClusterStatus status);
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// Check primary protectioni level whether need sync-transport clog to standby
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// ex. MA, MPT, and other middle level
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bool need_sync_to_standby_level(const ObProtectionLevel level);
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// Check standby protection level whether only receive sync-transported clog
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// ex. MA, MPT, RESYNC
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bool is_sync_level_on_standby(const ObProtectionLevel standby_level);
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// Whether in steady state.
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// Only steady state can change protection mode, switchover and so on.
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bool is_steady_protection_level(const ObProtectionLevel level);
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// The protection mode which need SYNC mode standby
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// MPT or MA mode
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bool has_sync_standby_mode(const ObProtectionMode mode);
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//Check if the protection level is the MAXIMUM PROTECTION or MAXIMUM AVAILABILITY protection level
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bool mpt_or_ma_protection_level(const ObProtectionLevel level);
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// Updating mode and level is not atomic, to check whether mode and level can match
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bool is_cluster_protection_mode_level_match(const ObProtectionMode mode, const ObProtectionLevel level);
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}//end namespace common
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}//end namespace oceanbase
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#endif //OCEANBASE_COMMON_OB_CLUSTER_ROLE_H_
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