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/* Copyright (C) 2011 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "NetMessage.h"
#include "ps/CLogger.h"
#include "ps/Game.h"
#include "simulation2/Simulation2.h"
#undef ALLNETMSGS_DONT_CREATE_NMTS
#define ALLNETMSGS_IMPLEMENT
#include "NetMessages.h"
CNetMessage::CNetMessage()
{
m_Type = NMT_INVALID;
}
CNetMessage::CNetMessage(NetMessageType type)
{
m_Type = type;
}
CNetMessage::~CNetMessage()
{
}
u8* CNetMessage::Serialize(u8* pBuffer) const
{
size_t size = GetSerializedLength();
Serialize_int_1(pBuffer, m_Type);
Serialize_int_2(pBuffer, size);
return pBuffer;
}
const u8* CNetMessage::Deserialize(const u8* pStart, const u8* pEnd)
{
if (pStart + 3 > pEnd)
{
LOGERROR(L"CNetMessage: Corrupt packet (smaller than header)");
return NULL;
}
const u8* pBuffer = pStart;
int type;
size_t size;
Deserialize_int_1(pBuffer, type);
Deserialize_int_2(pBuffer, size);
m_Type = (NetMessageType)type;
if (pStart + size != pEnd)
{
LOGERROR(L"CNetMessage: Corrupt packet (incorrect size)");
return NULL;
}
return pBuffer;
}
size_t CNetMessage::GetSerializedLength() const
{
// By default, return header size
return 3;
}
CStr CNetMessage::ToString() const
{
// This is called only when the subclass doesn't override it
if (GetType() == NMT_INVALID)
return "MESSAGE_TYPE_NONE { Undefined Message }";
else
return "Unknown Message " + CStr::FromInt(GetType());
}
CNetMessage* CNetMessageFactory::CreateMessage(const void* pData,
size_t dataSize,
ScriptInterface& scriptInterface)
{
CNetMessage* pNewMessage = NULL;
CNetMessage header;
// Figure out message type
header.Deserialize((const u8*)pData, (const u8*)pData + dataSize);
switch (header.GetType())
{
case NMT_GAME_SETUP:
pNewMessage = new CGameSetupMessage(scriptInterface);
break;
case NMT_PLAYER_ASSIGNMENT:
pNewMessage = new CPlayerAssignmentMessage;
break;
case NMT_FILE_TRANSFER_REQUEST:
pNewMessage = new CFileTransferRequestMessage;
break;
case NMT_FILE_TRANSFER_RESPONSE:
pNewMessage = new CFileTransferResponseMessage;
break;
case NMT_FILE_TRANSFER_DATA:
pNewMessage = new CFileTransferDataMessage;
break;
case NMT_FILE_TRANSFER_ACK:
pNewMessage = new CFileTransferAckMessage;
break;
case NMT_JOIN_SYNC_START:
pNewMessage = new CJoinSyncStartMessage;
break;
case NMT_LOADED_GAME:
pNewMessage = new CLoadedGameMessage;
break;
case NMT_SERVER_HANDSHAKE:
pNewMessage = new CSrvHandshakeMessage;
break;
case NMT_SERVER_HANDSHAKE_RESPONSE:
pNewMessage = new CSrvHandshakeResponseMessage;
break;
case NMT_CLIENT_HANDSHAKE:
pNewMessage = new CCliHandshakeMessage;
break;
case NMT_AUTHENTICATE:
pNewMessage = new CAuthenticateMessage;
break;
case NMT_AUTHENTICATE_RESULT:
pNewMessage = new CAuthenticateResultMessage;
break;
case NMT_GAME_START:
pNewMessage = new CGameStartMessage;
break;
case NMT_END_COMMAND_BATCH:
pNewMessage = new CEndCommandBatchMessage;
break;
case NMT_SYNC_CHECK:
pNewMessage = new CSyncCheckMessage;
break;
case NMT_SYNC_ERROR:
pNewMessage = new CSyncErrorMessage;
break;
case NMT_CHAT:
pNewMessage = new CChatMessage;
break;
case NMT_READY:
pNewMessage = new CReadyMessage;
break;
case NMT_SIMULATION_COMMAND:
pNewMessage = new CSimulationMessage(scriptInterface);
break;
default:
LOGERROR(L"CNetMessageFactory::CreateMessage(): Unknown message type '%d' received", header.GetType());
break;
}
if (pNewMessage)
pNewMessage->Deserialize((const u8*)pData, (const u8*)pData + dataSize);
return pNewMessage;
}
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