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121 lines
3.0 KiB
C++
121 lines
3.0 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/*****************************************************************************
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* $Id: save_brm.cpp 1910 2013-06-18 15:19:15Z rdempsey $
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*
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****************************************************************************/
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/*
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* Saves the current state of the BRM data structures.
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*
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* More detailed description
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*/
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#include <unistd.h>
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#include <iostream>
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#include <sys/types.h>
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#include <sys/stat.h>
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using namespace std;
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#include "brmtypes.h"
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#include "rwlock.h"
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#include "mastersegmenttable.h"
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#include "extentmap.h"
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#include "copylocks.h"
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#include "vss.h"
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#include "vbbm.h"
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#include "blockresolutionmanager.h"
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#include "IDBDataFile.h"
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#include "IDBPolicy.h"
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using namespace idbdatafile;
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using namespace BRM;
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#include "configcpp.h"
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int main(int argc, char** argv)
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{
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BlockResolutionManager brm;
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config::Config* config = config::Config::makeConfig();
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int err;
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string prefix, currentFilename;
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IDBDataFile* currentFile = NULL;
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if (argc > 1)
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prefix = argv[1];
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else
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{
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prefix = config->getConfig("SystemConfig", "DBRMRoot");
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if (prefix.length() == 0)
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{
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cerr << "Error: Need a valid Calpont configuation file" << endl;
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exit(1);
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}
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}
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idbdatafile::IDBPolicy::configIDBPolicy();
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err = brm.saveState(prefix);
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if (err == 0)
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cout << "Saved to " << prefix << endl;
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else
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{
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cout << "Save failed" << endl;
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exit(1);
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}
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(void)::umask(0);
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currentFilename = prefix + "_current";
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currentFile = IDBDataFile::open(IDBPolicy::getType(currentFilename.c_str(), IDBPolicy::WRITEENG),
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currentFilename.c_str(), "wb", 0);
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if (!currentFile)
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{
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cerr << "Error: could not open " << currentFilename << "for writing" << endl;
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exit(1);
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}
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try
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{
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prefix += '\n';
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// for MCOL-1558. Make the _current file relative to DBRMRoot
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string relative = prefix.substr(prefix.find_last_of('/') + 1);
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currentFile->write(relative.c_str(), relative.length());
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}
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catch (exception& e)
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{
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cerr << "Error: failed to write to " << currentFilename << ": " << e.what() << endl;
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exit(1);
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}
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try
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{
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delete currentFile;
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currentFile = NULL;
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}
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catch (exception& e)
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{
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cerr << "Error: failed to close " << currentFilename << ": " << e.what() << endl;
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exit(1);
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}
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return 0;
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}
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