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/*
* Copyright 2017-2018, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "Pool.hpp"
Pool *Pool::pongPool = nullptr;
Pool::Pool(const std::string &fileName)
{
if (pmem::obj::pool<GameStruct>::check(fileName, LAYOUT_NAME) == 1) {
pool = pmem::obj::pool<GameStruct>::open(fileName, LAYOUT_NAME);
} else {
pool = pmem::obj::pool<GameStruct>::create(
fileName, LAYOUT_NAME, PMEMOBJ_MIN_POOL * 6);
}
}
Pool::~Pool()
{
pool.close();
}
Pool *
Pool::getGamePoolFromFile(const std::string &fileName)
{
if (pongPool == nullptr)
pongPool = new Pool(fileName);
return pongPool;
}
Pool *
Pool::getGamePool()
{
if (pongPool == nullptr) {
return getGamePoolFromFile(DEFAULT_POOLFILE_NAME);
}
return pongPool;
}
pmem::obj::persistent_ptr<GameController>
Pool::getGameController()
{
pmem::obj::persistent_ptr<GameStruct> root = pool.root();
if (root != nullptr) {
if (root->gam == nullptr)
pmem::obj::transaction::run(pool, [&] {
root->gam = pmem::obj::make_persistent<
GameController>();
});
}
return root->gam;
}
pmem::obj::pool<GameStruct> &
Pool::getPoolToTransaction()
{
return pool;
}
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