mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-18 21:44:02 +03:00
121 lines
3.0 KiB
C++
121 lines
3.0 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
|
|
|
|
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; version 2 of
|
|
the License.
|
|
|
|
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., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
/*****************************************************************************
|
|
* $Id: save_brm.cpp 1910 2013-06-18 15:19:15Z rdempsey $
|
|
*
|
|
****************************************************************************/
|
|
|
|
/*
|
|
* Saves the current state of the BRM data structures.
|
|
*
|
|
* More detailed description
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
#include <iostream>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
using namespace std;
|
|
|
|
#include "brmtypes.h"
|
|
#include "rwlock.h"
|
|
#include "mastersegmenttable.h"
|
|
#include "extentmap.h"
|
|
#include "copylocks.h"
|
|
#include "vss.h"
|
|
#include "vbbm.h"
|
|
#include "blockresolutionmanager.h"
|
|
#include "IDBDataFile.h"
|
|
#include "IDBPolicy.h"
|
|
using namespace idbdatafile;
|
|
using namespace BRM;
|
|
|
|
#include "configcpp.h"
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
BlockResolutionManager brm;
|
|
config::Config* config = config::Config::makeConfig();
|
|
int err;
|
|
string prefix, currentFilename;
|
|
IDBDataFile* currentFile = NULL;
|
|
|
|
if (argc > 1)
|
|
prefix = argv[1];
|
|
else
|
|
{
|
|
prefix = config->getConfig("SystemConfig", "DBRMRoot");
|
|
|
|
if (prefix.length() == 0)
|
|
{
|
|
cerr << "Error: Need a valid Calpont configuation file" << endl;
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
idbdatafile::IDBPolicy::configIDBPolicy();
|
|
|
|
err = brm.saveState(prefix);
|
|
|
|
if (err == 0)
|
|
cout << "Saved to " << prefix << endl;
|
|
else
|
|
{
|
|
cout << "Save failed" << endl;
|
|
exit(1);
|
|
}
|
|
|
|
(void)::umask(0);
|
|
|
|
currentFilename = prefix + "_current";
|
|
currentFile = IDBDataFile::open(IDBPolicy::getType(currentFilename.c_str(), IDBPolicy::WRITEENG),
|
|
currentFilename.c_str(), "wb", 0);
|
|
|
|
if (!currentFile)
|
|
{
|
|
cerr << "Error: could not open " << currentFilename << "for writing" << endl;
|
|
exit(1);
|
|
}
|
|
|
|
try
|
|
{
|
|
prefix += '\n';
|
|
// for MCOL-1558. Make the _current file relative to DBRMRoot
|
|
string relative = prefix.substr(prefix.find_last_of('/') + 1);
|
|
currentFile->write(relative.c_str(), relative.length());
|
|
}
|
|
catch (exception& e)
|
|
{
|
|
cerr << "Error: failed to write to " << currentFilename << ": " << e.what() << endl;
|
|
exit(1);
|
|
}
|
|
|
|
try
|
|
{
|
|
delete currentFile;
|
|
currentFile = NULL;
|
|
}
|
|
catch (exception& e)
|
|
{
|
|
cerr << "Error: failed to close " << currentFilename << ": " << e.what() << endl;
|
|
exit(1);
|
|
}
|
|
|
|
return 0;
|
|
}
|