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/* savepoint.cpp
* Copyright (C) 2003-2005 Tommi Maekitalo
*
* 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
* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
* NON-INFRINGEMENT. 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <tnt/savepoint.h>
#include <cxxtools/log.h>
namespace tnt
{
log_define("tntnet.savepoint")
void Savepoint::save()
{
pos = reply.outstream.str().size();
active = true;
log_debug("set Savepoint " << pos);
}
void Savepoint::commit()
{
log_debug("commit Savepoint " << pos);
active = false;
}
void Savepoint::rollback()
{
if (active)
{
log_info("rollback to Savepoint " << pos);
reply.outstream.str( reply.outstream.str().substr(0, pos) );
reply.outstream.seekp(pos);
active = false;
}
else
log_error("not rolling back not active Savepoint");
}
}
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