NetMessagePool.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////


#include <net/NetMessagePool.h>

NetMessagePool *NetMessagePool::instance_ = 0;

NetMessagePool *NetMessagePool::instance()
{
        if (!instance_)
        {
                instance_ = new NetMessagePool;
        }
        return instance_;
}

NetMessagePool::NetMessagePool() : messagePoolMutex_(0)
{
        messagePoolMutex_ = SDL_CreateMutex();
}

NetMessagePool::~NetMessagePool()
{
        SDL_DestroyMutex(messagePoolMutex_);
}

void NetMessagePool::addToPool(NetMessage *message)
{
        SDL_LockMutex(messagePoolMutex_);
        messagePool_.push_back(message);
        SDL_UnlockMutex(messagePoolMutex_);
}

NetMessage *NetMessagePool::getFromPool(NetMessage::MessageType type,
        unsigned int destinationId,
        unsigned int ipAddress,
        unsigned int flags)
{
        SDL_LockMutex(messagePoolMutex_);

        NetMessage *result = 0;
        if (messagePool_.empty())
        {
                result = new NetMessage;
        }
        else
        {
                result = messagePool_.front();
                messagePool_.pop_front();
        }
        result->setDestinationId(destinationId);
        result->setIpAddress(ipAddress);
        result->setType(type);
        result->getBuffer().reset();
        result->setFlags(flags);

        SDL_UnlockMutex(messagePoolMutex_);

        return result;
}

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