mirror of
https://github.com/uroni/urbackup_backend.git
synced 2025-10-26 11:36:50 +00:00
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/*************************************************************************
|
|
* UrBackup - Client/Server backup system
|
|
* Copyright (C) 2011-2015 Martin Raiber
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
**************************************************************************/
|
|
|
|
#include "WalCheckpointThread.h"
|
|
#include "../urbackupcommon/os_functions.h"
|
|
#include "../Interface/File.h"
|
|
#include "../Interface/Server.h"
|
|
#include "database.h"
|
|
#include "../Interface/Database.h"
|
|
#include <memory>
|
|
|
|
void WalCheckpointThread::checkpoint(bool in_transaction)
|
|
{
|
|
int mode = MODE_READ;
|
|
#ifdef _WIN32
|
|
mode=MODE_READ_DEVICE;
|
|
#endif
|
|
std::auto_ptr<IFile> wal_file(Server->openFile("urbackup" + os_file_sep() + "backup_server.db-wal", mode));
|
|
|
|
if(wal_file.get()!=NULL)
|
|
{
|
|
if(wal_file->Size()>1*1024*1024*1024) //>1GiB
|
|
{
|
|
wal_file.reset();
|
|
|
|
Server->Log("WAL file greater than 1GiB. Doing WAL checkpoint...", LL_INFO);
|
|
|
|
IDatabase* db=Server->getDatabase(Server->getThreadID(), URBACKUPDB_SERVER);
|
|
|
|
|
|
if(in_transaction)
|
|
{
|
|
db->Write("BEGIN EXCLUSIVE");
|
|
}
|
|
|
|
db->Write("PRAGMA wal_checkpoint(RESTART)");
|
|
|
|
if(in_transaction)
|
|
{
|
|
db->EndTransaction();
|
|
}
|
|
|
|
checkpoint(true);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Server->Log("Could not open WAL file (checking for WAL file size)", LL_DEBUG);
|
|
}
|
|
}
|
|
|
|
void WalCheckpointThread::operator()()
|
|
{
|
|
while(true)
|
|
{
|
|
Server->wait(1*60*1000); //every min
|
|
checkpoint();
|
|
}
|
|
}
|