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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2018 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* 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 2 of the License, or
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "net/eathena/network.h"
#include "net/packetinfo.h"
#include "net/ea/adminrecv.h"
#include "net/ea/beingrecv.h"
#include "net/ea/buysellrecv.h"
#include "net/ea/charserverrecv.h"
#include "net/ea/chatrecv.h"
#include "net/ea/gamerecv.h"
#include "net/ea/inventoryrecv.h"
#include "net/ea/itemrecv.h"
#include "net/ea/loginrecv.h"
#include "net/ea/maprecv.h"
#include "net/ea/npcrecv.h"
#include "net/ea/partyrecv.h"
#include "net/ea/playerrecv.h"
#include "net/ea/skillrecv.h"
#include "net/ea/traderecv.h"
#include "net/eathena/achievementrecv.h"
#include "net/eathena/adminrecv.h"
#include "net/eathena/auctionrecv.h"
#include "net/eathena/attendancerecv.h"
#include "net/eathena/bankrecv.h"
#include "net/eathena/battlegroundrecv.h"
#include "net/eathena/beingrecv.h"
#include "net/eathena/buyingstorerecv.h"
#include "net/eathena/buysellrecv.h"
#include "net/eathena/cashshoprecv.h"
#include "net/eathena/charserverrecv.h"
#include "net/eathena/chatrecv.h"
#include "net/eathena/clanrecv.h"
#include "net/eathena/elementalrecv.h"
#include "net/eathena/familyrecv.h"
#include "net/eathena/friendsrecv.h"
#include "net/eathena/gamerecv.h"
#include "net/eathena/generalrecv.h"
#include "net/eathena/guildrecv.h"
#include "net/eathena/homunculusrecv.h"
#include "net/eathena/inventoryrecv.h"
#include "net/eathena/itemrecv.h"
#include "net/eathena/loginrecv.h"
#include "net/eathena/mail2recv.h"
#include "net/eathena/mailrecv.h"
#include "net/eathena/maprecv.h"
#include "net/eathena/marketrecv.h"
#include "net/eathena/mercenaryrecv.h"
#include "net/eathena/npcrecv.h"
#include "net/eathena/partyrecv.h"
#include "net/eathena/petrecv.h"
#include "net/eathena/playerrecv.h"
#include "net/eathena/questrecv.h"
#include "net/eathena/rouletterecv.h"
#include "net/eathena/searchstorerecv.h"
#include "net/eathena/skillrecv.h"
#include "net/eathena/traderecv.h"
#include "net/eathena/vendingrecv.h"
#include "net/eathena/messagein.h"
#include "resources/db/networkdb.h"
#include "utils/cast.h"
#include "utils/checkutils.h"
#include "utils/foreach.h"
#include "debug.h"
extern int packetVersion;
extern int packetVersionMain;
extern int packetVersionRe;
extern int packetVersionZero;
extern int serverVersion;
extern int evolPacketOffset;
extern bool packets_zero;
extern bool packets_re;
extern bool packets_main;
namespace EAthena
{
static const unsigned int packet_lengths_size = 0xFFFFU;
static const unsigned int messagesSize = 0xFFFFU;
Network *Network::mInstance = nullptr;
Network::Network() :
Ea::Network()
{
mInstance = this;
mPackets = new PacketInfo[messagesSize];
}
Network::~Network()
{
clearHandlers();
mInstance = nullptr;
}
void Network::registerHandlers()
{
#include "net/eathena/recvpackets.inc"
RECVPACKETS_VOID
}
void Network::registerFakeHandlers()
{
const NetworkInPacketInfos &packets = NetworkDb::getFakePackets();
FOR_EACH (NetworkInPacketInfosIter, it, packets)
{
const size_t id = (*it).first;
if (id >= packet_lengths_size)
{
reportAlways("Wrong fake packet id %d", CAST_S32(id));
continue;
}
if (mPackets[id].len != 0 ||
mPackets[id].func != nullptr ||
mPackets[id].version != 0)
{
continue;
}
const int32_t len = (*it).second;
logger->log("Add fake packet: %d, %d",
CAST_S32(id),
len);
mPackets[id].name = "fake";
mPackets[id].len = len;
mPackets[id].func = nullptr;
mPackets[id].version = 0;
}
const NetworkRemovePacketInfos &removePackets =
NetworkDb::getRemovePackets();
FOR_EACH (NetworkRemovePacketInfosIter, it, removePackets)
{
const size_t id = *it;
if (id >= packet_lengths_size)
{
reportAlways("Wrong remove packet id %d", CAST_S32(id));
continue;
}
if (mPackets[id].len == 0 &&
mPackets[id].func == nullptr &&
mPackets[id].version == 0)
{
continue;
}
logger->log("Remove packet: %d",
CAST_S32(id));
mPackets[id].name = "";
mPackets[id].len = 0;
mPackets[id].func = nullptr;
mPackets[id].version = 0;
}
}
void Network::clearHandlers()
{
for (size_t f = 0; f < packet_lengths_size; f ++)
{
mPackets[f].name = "";
mPackets[f].len = 0;
mPackets[f].func = nullptr;
mPackets[f].version = 0;
}
}
void Network::dispatchMessages()
{
mPauseDispatch = false;
while (messageReady())
{
SDL_mutexP(mMutexIn);
const unsigned int msgId = readWord(0);
int len = -1;
if (msgId < packet_lengths_size)
len = mPackets[msgId].len;
if (len == -1)
len = readWord(2);
MessageIn msg(mInBuffer, len);
unsigned int ver = mPackets[msgId].version;
if (ver == 0)
ver = packetVersion;
msg.postInit(mPackets[msgId].name, ver);
SDL_mutexV(mMutexIn);
if (len == 0)
{
// need copy data for safty
std::string str = strprintf(
"Wrong packet %u 0x%x received. Exiting.",
msgId, msgId);
logger->safeError(str);
}
if (msgId < messagesSize)
{
const PacketFuncPtr func = mPackets[msgId].func;
if (func != nullptr)
func(msg);
else
logger->log("Unhandled packet: %u 0x%x", msgId, msgId);
}
skip(len);
if (mPauseDispatch)
break;
}
}
bool Network::messageReady()
{
int len = -1;
SDL_mutexP(mMutexIn);
if (mInSize >= 2)
{
const int msgId = readWord(0);
if (msgId >= 0 &&
CAST_U32(msgId) < packet_lengths_size)
{
len = mPackets[msgId].len;
}
if (len == -1 && mInSize > 4)
len = readWord(2);
}
const bool ret = (mInSize >= CAST_U32(len));
SDL_mutexV(mMutexIn);
return ret;
}
Network *Network::instance()
{
return mInstance;
}
} // namespace EAthena
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