NetLoopBack.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/NetLoopBack.h>
#include <net/NetMessagePool.h>
#include <common/Defines.h>
#include <common/Logger.h>

static unsigned int ClientLoopBackID = 100001;
static unsigned int ServerLoopBackID = 200002;

NetLoopBack::NetLoopBack(bool server) 
        : loopback_(0), server_(server)
{
}

NetLoopBack::~NetLoopBack()
{
}

bool NetLoopBack::connect(const char *hostName, int portNo)
{
        {
                NetMessage *message = NetMessagePool::instance()->
                        getFromPool(NetMessage::ConnectMessage, ServerLoopBackID, 0);
                messageHandler_.addMessage(message);
        }
        {
                NetMessage *message = NetMessagePool::instance()->
                        getFromPool(NetMessage::ConnectMessage, ClientLoopBackID, 0);
                loopback_->messageHandler_.addMessage(message);
        }

        return true;
}

void NetLoopBack::setLoopBack(NetLoopBack *loopback)
{
        loopback_ = loopback;
}

bool NetLoopBack::started()
{
        return true;
}

void NetLoopBack::setMessageHandler(NetMessageHandlerI *handler) 
{ 
        messageHandler_.setMessageHandler(handler); 
}

int NetLoopBack::processMessages()
{ 
        return messageHandler_.processMessages(); 
}

void NetLoopBack::disconnectAllClients()
{
        Logger::log("Cannot disconnect all clients, they are local!");
}

void NetLoopBack::disconnectClient(unsigned int client)
{
        Logger::log(S3D::formatStringBuffer("Cannot disconnect client %i, they are local!", client));
}

void NetLoopBack::sendMessageServer(NetBuffer &buffer, 
        unsigned int flags)
{
        sendMessageDest(buffer, ServerLoopBackID, flags);
}

void NetLoopBack::sendMessageDest(NetBuffer &buffer, 
        unsigned int destination, unsigned int flags)
{
        DIALOG_ASSERT(loopback_);
        DIALOG_ASSERT(
                (server_ && destination == ClientLoopBackID) || 
                (!server_ && destination == ServerLoopBackID));

        NetMessage *message = NetMessagePool::instance()->
                getFromPool(NetMessage::BufferMessage, server_?ServerLoopBackID:ClientLoopBackID, 0, flags);
        message->getBuffer().reset();
        message->getBuffer().addDataToBuffer(buffer.getBuffer(), buffer.getBufferUsed());
        loopback_->messageHandler_.addMessage(message);
}

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