BackupInit.cpp
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上传日期:2022-05-23
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文件大小:8k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- //****************************************************************************
- //
- // NAME
- // Backup - Database backup / restore
- //
- //===========================================================================
- #include "Backup.hpp"
- #include <Properties.hpp>
- #include <Configuration.hpp>
- //extern const unsigned Ndbcntr::g_sysTableCount;
- Backup::Backup(const Configuration & conf) :
- SimulatedBlock(BACKUP, conf),
- c_nodes(c_nodePool),
- c_backups(c_backupPool)
- {
- BLOCK_CONSTRUCTOR(Backup);
-
- c_nodePool.setSize(MAX_NDB_NODES);
- c_masterNodeId = getOwnNodeId();
-
- const ndb_mgm_configuration_iterator * p = conf.getOwnConfigIterator();
- ndbrequire(p != 0);
- Uint32 noBackups = 0, noTables = 0, noAttribs = 0;
- ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DB_DISCLESS, &m_diskless));
- ndb_mgm_get_int_parameter(p, CFG_DB_PARALLEL_BACKUPS, &noBackups);
- // ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DB_NO_TABLES, &noTables));
- ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DICT_TABLE, &noTables));
- ndbrequire(!ndb_mgm_get_int_parameter(p, CFG_DB_NO_ATTRIBUTES, &noAttribs));
- noAttribs++; //RT 527 bug fix
- c_backupPool.setSize(noBackups);
- c_backupFilePool.setSize(3 * noBackups);
- c_tablePool.setSize(noBackups * noTables);
- c_attributePool.setSize(noBackups * noAttribs);
- c_triggerPool.setSize(noBackups * 3 * noTables);
- // 2 = no of replicas
- c_fragmentPool.setSize(noBackups * 2 * NO_OF_FRAG_PER_NODE * noTables);
-
- Uint32 szMem = 0;
- ndb_mgm_get_int_parameter(p, CFG_DB_BACKUP_MEM, &szMem);
- Uint32 noPages = (szMem + sizeof(Page32) - 1) / sizeof(Page32);
- // We need to allocate an additional of 2 pages. 1 page because of a bug in
- // ArrayPool and another one for DICTTAINFO.
- c_pagePool.setSize(noPages + NO_OF_PAGES_META_FILE + 2);
- Uint32 szDataBuf = (2 * 1024 * 1024);
- Uint32 szLogBuf = (2 * 1024 * 1024);
- Uint32 szWrite = 32768;
- ndb_mgm_get_int_parameter(p, CFG_DB_BACKUP_DATA_BUFFER_MEM, &szDataBuf);
- ndb_mgm_get_int_parameter(p, CFG_DB_BACKUP_LOG_BUFFER_MEM, &szLogBuf);
- ndb_mgm_get_int_parameter(p, CFG_DB_BACKUP_WRITE_SIZE, &szWrite);
-
- c_defaults.m_logBufferSize = szLogBuf;
- c_defaults.m_dataBufferSize = szDataBuf;
- c_defaults.m_minWriteSize = szWrite;
- c_defaults.m_maxWriteSize = szWrite;
-
- { // Init all tables
- ArrayList<Table> tables(c_tablePool);
- TablePtr ptr;
- while(tables.seize(ptr)){
- new (ptr.p) Table(c_attributePool, c_fragmentPool);
- }
- tables.release();
- }
- {
- ArrayList<BackupFile> ops(c_backupFilePool);
- BackupFilePtr ptr;
- while(ops.seize(ptr)){
- new (ptr.p) BackupFile(* this, c_pagePool);
- }
- ops.release();
- }
-
- {
- ArrayList<BackupRecord> recs(c_backupPool);
- BackupRecordPtr ptr;
- while(recs.seize(ptr)){
- new (ptr.p) BackupRecord(* this, c_pagePool, c_tablePool,
- c_backupFilePool, c_triggerPool);
- }
- recs.release();
- }
- // Initialize BAT for interface to file system
- {
- Page32Ptr p;
- ndbrequire(c_pagePool.seizeId(p, 0));
- c_startOfPages = (Uint32 *)p.p;
- c_pagePool.release(p);
-
- NewVARIABLE* bat = allocateBat(1);
- bat[0].WA = c_startOfPages;
- bat[0].nrr = c_pagePool.getSize()*sizeof(Page32)/sizeof(Uint32);
- }
-
- // Add received signals
- addRecSignal(GSN_STTOR, &Backup::execSTTOR);
- addRecSignal(GSN_DUMP_STATE_ORD, &Backup::execDUMP_STATE_ORD);
- addRecSignal(GSN_READ_NODESCONF, &Backup::execREAD_NODESCONF);
- addRecSignal(GSN_NODE_FAILREP, &Backup::execNODE_FAILREP);
- addRecSignal(GSN_INCL_NODEREQ, &Backup::execINCL_NODEREQ);
- addRecSignal(GSN_CONTINUEB, &Backup::execCONTINUEB);
-
- addRecSignal(GSN_SCAN_HBREP, &Backup::execSCAN_HBREP);
- addRecSignal(GSN_TRANSID_AI, &Backup::execTRANSID_AI);
- addRecSignal(GSN_SCAN_FRAGREF, &Backup::execSCAN_FRAGREF);
- addRecSignal(GSN_SCAN_FRAGCONF, &Backup::execSCAN_FRAGCONF);
- addRecSignal(GSN_BACKUP_TRIG_REQ, &Backup::execBACKUP_TRIG_REQ);
- addRecSignal(GSN_TRIG_ATTRINFO, &Backup::execTRIG_ATTRINFO);
- addRecSignal(GSN_FIRE_TRIG_ORD, &Backup::execFIRE_TRIG_ORD);
- addRecSignal(GSN_LIST_TABLES_CONF, &Backup::execLIST_TABLES_CONF);
- addRecSignal(GSN_GET_TABINFOREF, &Backup::execGET_TABINFOREF);
- addRecSignal(GSN_GET_TABINFO_CONF, &Backup::execGET_TABINFO_CONF);
- addRecSignal(GSN_CREATE_TRIG_REF, &Backup::execCREATE_TRIG_REF);
- addRecSignal(GSN_CREATE_TRIG_CONF, &Backup::execCREATE_TRIG_CONF);
- addRecSignal(GSN_ALTER_TRIG_REF, &Backup::execALTER_TRIG_REF);
- addRecSignal(GSN_ALTER_TRIG_CONF, &Backup::execALTER_TRIG_CONF);
-
- addRecSignal(GSN_DROP_TRIG_REF, &Backup::execDROP_TRIG_REF);
- addRecSignal(GSN_DROP_TRIG_CONF, &Backup::execDROP_TRIG_CONF);
- addRecSignal(GSN_DI_FCOUNTCONF, &Backup::execDI_FCOUNTCONF);
- addRecSignal(GSN_DIGETPRIMCONF, &Backup::execDIGETPRIMCONF);
- addRecSignal(GSN_FSOPENREF, &Backup::execFSOPENREF, true);
- addRecSignal(GSN_FSOPENCONF, &Backup::execFSOPENCONF);
- addRecSignal(GSN_FSCLOSEREF, &Backup::execFSCLOSEREF, true);
- addRecSignal(GSN_FSCLOSECONF, &Backup::execFSCLOSECONF);
- addRecSignal(GSN_FSAPPENDREF, &Backup::execFSAPPENDREF, true);
- addRecSignal(GSN_FSAPPENDCONF, &Backup::execFSAPPENDCONF);
- addRecSignal(GSN_FSREMOVEREF, &Backup::execFSREMOVEREF, true);
- addRecSignal(GSN_FSREMOVECONF, &Backup::execFSREMOVECONF);
- /*****/
- addRecSignal(GSN_BACKUP_REQ, &Backup::execBACKUP_REQ);
- addRecSignal(GSN_ABORT_BACKUP_ORD, &Backup::execABORT_BACKUP_ORD);
- addRecSignal(GSN_DEFINE_BACKUP_REQ, &Backup::execDEFINE_BACKUP_REQ);
- addRecSignal(GSN_DEFINE_BACKUP_REF, &Backup::execDEFINE_BACKUP_REF);
- addRecSignal(GSN_DEFINE_BACKUP_CONF, &Backup::execDEFINE_BACKUP_CONF);
- addRecSignal(GSN_START_BACKUP_REQ, &Backup::execSTART_BACKUP_REQ);
- addRecSignal(GSN_START_BACKUP_REF, &Backup::execSTART_BACKUP_REF);
- addRecSignal(GSN_START_BACKUP_CONF, &Backup::execSTART_BACKUP_CONF);
-
- addRecSignal(GSN_BACKUP_FRAGMENT_REQ, &Backup::execBACKUP_FRAGMENT_REQ);
- addRecSignal(GSN_BACKUP_FRAGMENT_REF, &Backup::execBACKUP_FRAGMENT_REF);
- addRecSignal(GSN_BACKUP_FRAGMENT_CONF, &Backup::execBACKUP_FRAGMENT_CONF);
-
- addRecSignal(GSN_STOP_BACKUP_REQ, &Backup::execSTOP_BACKUP_REQ);
- addRecSignal(GSN_STOP_BACKUP_REF, &Backup::execSTOP_BACKUP_REF);
- addRecSignal(GSN_STOP_BACKUP_CONF, &Backup::execSTOP_BACKUP_CONF);
-
- //addRecSignal(GSN_BACKUP_STATUS_REQ, &Backup::execBACKUP_STATUS_REQ);
- //addRecSignal(GSN_BACKUP_STATUS_CONF, &Backup::execBACKUP_STATUS_CONF);
-
- addRecSignal(GSN_UTIL_SEQUENCE_REF, &Backup::execUTIL_SEQUENCE_REF);
- addRecSignal(GSN_UTIL_SEQUENCE_CONF, &Backup::execUTIL_SEQUENCE_CONF);
- addRecSignal(GSN_WAIT_GCP_REF, &Backup::execWAIT_GCP_REF);
- addRecSignal(GSN_WAIT_GCP_CONF, &Backup::execWAIT_GCP_CONF);
- /**
- * Testing
- */
- addRecSignal(GSN_BACKUP_REF, &Backup::execBACKUP_REF);
- addRecSignal(GSN_BACKUP_CONF, &Backup::execBACKUP_CONF);
- addRecSignal(GSN_BACKUP_ABORT_REP, &Backup::execBACKUP_ABORT_REP);
- addRecSignal(GSN_BACKUP_COMPLETE_REP, &Backup::execBACKUP_COMPLETE_REP);
- }
-
- Backup::~Backup()
- {
- }
- BLOCK_FUNCTIONS(Backup)
- template class ArrayPool<Backup::Page32>;
- template class ArrayPool<Backup::Attribute>;
- template class ArrayPool<Backup::Fragment>;