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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Brian Aker
*
* 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <plugin/user_locks/module.h>
#include <drizzled/atomics.h>
#include <drizzled/session.h>
using namespace drizzled;
using namespace std;
namespace user_locks {
namespace barriers {
UserBarriers::UserBarriers() :
plugin::TableFunction("DATA_DICTIONARY", "USER_DEFINED_BARRIERS")
{
add_field("USER_BARRIER_NAME", plugin::TableFunction::STRING, LARGEST_LOCK_NAME, false);
add_field("SESSION_ID", plugin::TableFunction::NUMBER, 0, false);
add_field("USER_NAME", plugin::TableFunction::STRING);
add_field("WAITER_LIMIT", plugin::TableFunction::NUMBER, 0, false);
add_field("GENERATION", plugin::TableFunction::NUMBER, 0, false);
add_field("WAITERS", plugin::TableFunction::NUMBER, 0, false);
add_field("OBSERVERS", plugin::TableFunction::NUMBER, 0, false);
}
UserBarriers::Generator::Generator(drizzled::Field **arg) :
drizzled::plugin::TableFunction::Generator(arg)
{
Barriers::getInstance().Copy(barrier_map);
iter= barrier_map.begin();
}
bool UserBarriers::Generator::populate()
{
while (iter != barrier_map.end())
{
// USER_BARRIER_NAME
push((*iter).first.getLockName());
// SESSION_ID
push((*iter).second->getOwner());
// USER_NAME
push((*iter).first.getUser());
// WAITER_LIMIT
push((*iter).second->getLimit());
// GENERATION
push((*iter).second->getGeneration());
// WAITERS
push((*iter).second->sizeWaiters());
// OBSERVERS
push((*iter).second->sizeObservers());
iter++;
return true;
}
return false;
}
} /* namespace barriers */
} /* namespace user_locks */
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