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https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
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3919c541ac
* Fix clang warnings * Remove vim tab guides * initialize variables * 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length * Fix ISO C++17 does not allow 'register' storage class specifier for outdated bison * chars are unsigned on ARM, having if (ival < 0) always false * chars are unsigned by default on ARM and comparison with -1 if always true
130 lines
3.1 KiB
C++
130 lines
3.1 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: load_brm.cpp 1905 2013-06-14 18:42:28Z rdempsey $
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*
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****************************************************************************/
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#include <unistd.h>
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#include <iostream>
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#include <string>
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#include <stdexcept>
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using namespace std;
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#include <boost/interprocess/shared_memory_object.hpp>
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#include <boost/interprocess/mapped_region.hpp>
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#include <boost/interprocess/sync/interprocess_mutex.hpp>
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namespace bi = boost::interprocess;
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#include "IDBPolicy.h"
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#include "blockresolutionmanager.h"
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#include "shmkeys.h"
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using namespace BRM;
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namespace
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{
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void usage()
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{
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cout << "usage: load_brm [-fh] prefix" << endl << endl;
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cout << " -h display this help" << endl;
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cout << " -f possibly fix a corrupted Free List" << endl;
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}
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struct CtlShmImage
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{
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bi::interprocess_mutex controlFifoMutex;
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};
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} // namespace
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int main(int argc, char** argv)
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{
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opterr = 0;
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bool fflg = false;
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int c;
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while ((c = getopt(argc, argv, "fh")) != EOF)
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switch (c)
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{
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case 'f': fflg = true; break;
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case 'h':
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case '?':
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default:
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usage();
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return (c == 'h' ? 0 : 1);
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break;
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}
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if ((argc - optind) != 1)
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{
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usage();
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return 1;
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}
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idbdatafile::IDBPolicy::configIDBPolicy();
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BlockResolutionManager brm;
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int err;
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string prefix;
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prefix = argv[optind];
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err = brm.loadState(prefix, fflg);
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if (err != 0)
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{
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cout << "Loading BRM snapshot failed (" << prefix << ")\n";
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return 1;
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}
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err = brm.replayJournal(prefix);
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if (err < 0)
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{
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cout << "Could not load BRM journal file\n";
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return 1;
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}
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ShmKeys shmkeys;
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string key_name = ShmKeys::keyToName(shmkeys.DECOMSVRMUTEX_SYSVKEY);
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bi::shared_memory_object::remove(key_name.c_str());
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bi::permissions perms;
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perms.set_unrestricted();
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try
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{
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bi::shared_memory_object shm(bi::create_only, key_name.c_str(), bi::read_write, perms);
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shm.truncate(sizeof(CtlShmImage));
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bi::mapped_region region(shm, bi::read_write);
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(void)new (region.get_address()) CtlShmImage;
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}
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catch (...)
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{
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// Hmm...we just deleted it above, but the create failed...just bail out
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throw runtime_error("couldn't create DecomSvr shm");
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}
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/* An OAM friendly success msg */
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cout << "OK.\n";
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cout << "Successfully loaded BRM snapshot\n";
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cout << "Successfully replayed " << err << " BRM transactions\n";
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return 0;
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}
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