stk-code_catmod/src/online/request.cpp
2015-03-30 11:42:50 +11:00

89 lines
3.2 KiB
C++

// SuperTuxKart - a fun racing game with go-kart
// Copyright (C) 2013-2015 Glenn De Jonghe
// 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 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#include "online/request.hpp"
#include "config/user_config.hpp"
#include "online/request_manager.hpp"
#ifdef WIN32
# include <winsock2.h>
#endif
#include <assert.h>
namespace Online
{
// ========================================================================
/**
* Creates a request that can be handled by the RequestManager
* \param manage_memory whether or not the RequestManager should take care of
* deleting the object after all callbacks have been done
* \param priority by what priority should the RequestManager take care of
* this request
* \param type indicates whether the request has a special task for the
* RequestManager
*/
Request::Request(bool manage_memory, int priority, int type)
: m_type(type), m_manage_memory(manage_memory), m_priority(priority)
{
m_cancel.setAtomic(false);
m_state.setAtomic(S_PREPARING);
m_is_abortable.setAtomic(true);
} // Request
// ------------------------------------------------------------------------
/** Inserts this request into the RequestManager's queue for executing.
*/
void Request::queue()
{
RequestManager::get()->addRequest(this);
} // queue
// ------------------------------------------------------------------------
/** Executes the request. This calles prepareOperation, operation, and
* afterOperation.
*/
void Request::execute()
{
assert(isBusy());
// Abort as early as possible if abort is requested
if (RequestManager::get()->getAbort() && isAbortable()) return;
prepareOperation();
if (RequestManager::get()->getAbort() && isAbortable()) return;
operation();
if (RequestManager::get()->getAbort() && isAbortable()) return;
setExecuted();
if (RequestManager::get()->getAbort() && isAbortable()) return;
afterOperation();
} // execute
// ------------------------------------------------------------------------
/** Executes the request now, i.e. in the main thread and without involving
* the manager thread.. This calles prepareOperation, operation, and
* afterOperation.
*/
void Request::executeNow()
{
assert(isPreparing());
setBusy();
execute();
callback();
setDone();
} // executeNow
} // namespace Online