1 /* 2 Copyright (c) 2003, 2021, Oracle and/or its affiliates. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License, version 2.0, 6 as published by the Free Software Foundation. 7 8 This program is also distributed with certain software (including 9 but not limited to OpenSSL) that is licensed under separate terms, 10 as designated in a particular file or component or in included license 11 documentation. The authors of MySQL hereby grant you an additional 12 permission to link the program and your derivative works with the 13 separately licensed software that they have included with MySQL. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License, version 2.0, for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 23 */ 24 25 #ifndef WAIT_GCP_HPP 26 #define WAIT_GCP_HPP 27 28 #define JAM_FILE_ID 49 29 30 31 /** 32 * This signal is sent by anyone to local DIH 33 * 34 * If local DIH is not master, it forwards it to master DIH 35 * and start acting as a proxy 36 * 37 */ 38 class WaitGCPReq { 39 40 /** 41 * Sender(s) / Reciver(s) 42 */ 43 friend class Dbdih; 44 45 /** 46 * Sender 47 */ 48 friend class Ndbcntr; 49 friend class Dbdict; 50 friend class Backup; 51 friend class Trix; 52 53 public: 54 STATIC_CONST( SignalLength = 3 ); 55 public: 56 enum RequestType { 57 Complete = 1, ///< Wait for a GCP to complete 58 CompleteForceStart = 2, ///< Wait for a GCP to complete start one if needed 59 CompleteIfRunning = 3, ///< Wait for ongoing GCP 60 CurrentGCI = 8, ///< Immediately return current GCI 61 BlockStartGcp = 9, 62 UnblockStartGcp = 10, 63 WaitEpoch = 11, // If GCP is blocked, wait for epoch to not start 64 RestartGCI = 12 // Return restart GCI 65 }; 66 67 Uint32 senderRef; 68 Uint32 senderData; 69 Uint32 requestType; 70 }; 71 72 class WaitGCPConf { 73 74 /** 75 * Sender(s) / Reciver(s) 76 */ 77 friend class Dbdih; 78 79 /** 80 * Reciver(s) 81 */ 82 friend class Ndbcntr; 83 friend class Dbdict; 84 friend class Backup; 85 friend class Trix; 86 87 public: 88 STATIC_CONST( SignalLength = 4 ); 89 90 public: 91 Uint32 senderData; 92 Uint32 gci_hi; 93 Uint32 blockStatus; 94 Uint32 gci_lo; 95 }; 96 97 class WaitGCPRef { 98 99 /** 100 * Sender(s) / Reciver(s) 101 */ 102 friend class Dbdih; 103 104 /** 105 * Reciver(s) 106 */ 107 friend class Ndbcntr; 108 friend class Dbdict; 109 friend class Backup; 110 friend class Trix; 111 friend class NdbDictInterface; 112 113 public: 114 STATIC_CONST( SignalLength = 2 ); 115 116 enum ErrorCode { 117 StopOK = 0, 118 NF_CausedAbortOfProcedure = 1, 119 NoWaitGCPRecords = 2, 120 NF_MasterTakeOverInProgress = 3 121 }; 122 123 private: 124 Uint32 errorCode; 125 Uint32 senderData; 126 }; 127 128 129 #undef JAM_FILE_ID 130 131 #endif 132