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feat(Core/PacketIO): Implement STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT (#15059)

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Co-authored-by: Vladimir Merzliakov <29081+VladimirMangos@users.noreply.github.com>
Co-authored-by: megamage <35114+megamage@users.noreply.github.com>
Co-authored-by: Shauren <shauren.trinity@gmail.com>
Co-authored-by: Giacomo Pozzoni <giacomopoz@gmail.com>
This commit is contained in:
Kitzunu
2023-02-17 09:11:11 +01:00
committed by GitHub
parent f84848a95b
commit d7e701a1cb
6 changed files with 62 additions and 24 deletions
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65
src/server/game/Server/WorldSession.cpp
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@@ -121,6 +121,7 @@ WorldSession::WorldSession(uint32 id, std::string&& name, std::shared_ptr<WorldS
m_inQueue(false),
m_playerLoading(false),
m_playerLogout(false),
m_playerRecentlyLogout(false),
m_playerSave(false),
m_sessionDbcLocale(sWorld->GetDefaultDbcLocale()),
m_sessionDbLocaleIndex(locale),
@@ -326,28 +327,48 @@ bool WorldSession::Update(uint32 diff, PacketFilter& updater)
case STATUS_LOGGEDIN:
if (!_player)
{
// pussywizard: such packets were sent to do something for a character that has already logged out, skip them
}
else if (!_player->IsInWorld())
{
// pussywizard: such packets may do something important and the player is just being teleported, move to the end of the queue
// pussywizard: previously such were skipped, so leave it as it is xD proper code below if we wish to change that
// pussywizard: requeue only important packets not related to maps (PROCESS_THREADUNSAFE)
/*if (opHandle.packetProcessing == PROCESS_THREADUNSAFE)
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
//! If player didn't log out a while ago, it means packets are being sent while the server does not recognize
//! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later.
if (!m_playerRecentlyLogout)
{
if (!firstDelayedPacket)
firstDelayedPacket = packet;
requeuePackets.push_back(packet);
deletePacket = false;
QueuePacket(packet);
}*/
}
else if (_player->IsInWorld() && AntiDOS.EvaluateOpcode(*packet, currentTime))
{
if (!sScriptMgr->CanPacketReceive(this, *packet))
{
break;
LOG_DEBUG("network", "Re-enqueueing packet with opcode %s with with status STATUS_LOGGEDIN. "
"Player {} is currently not in world yet.", GetOpcodeNameForLogging(static_cast<OpcodeClient>(packet->GetOpcode())), GetPlayerInfo());
}
}
else if (_player->IsInWorld())
{
if (AntiDOS.EvaluateOpcode(*packet, currentTime))
{
if (!sScriptMgr->CanPacketReceive(this, *packet))
{
break;
}
opHandle->Call(this, *packet);
LogUnprocessedTail(packet);
}
else
processedPackets = MAX_PROCESSED_PACKETS_IN_SAME_WORLDSESSION_UPDATE; // break out of packet processing loop
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT:
if (!_player && !m_playerRecentlyLogout) // There's a short delay between _player = null and m_playerRecentlyLogout = true during logout
{
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT",
"the player has not logged in yet and not recently logout");
}
else if (AntiDOS.EvaluateOpcode(*packet, currentTime))
{
// not expected _player or must checked in packet hanlder
if (!sScriptMgr->CanPacketReceive(this, *packet))
break;
opHandle->Call(this, *packet);
LogUnprocessedTail(packet);
@@ -373,6 +394,11 @@ bool WorldSession::Update(uint32 diff, PacketFilter& updater)
if (m_inQueue) // prevent cheating
break;
// some auth opcodes can be recieved before STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes
// however when we recieve CMSG_CHAR_ENUM we are surely no longer during the logout process.
if (packet->GetOpcode() == CMSG_CHAR_ENUM)
m_playerRecentlyLogout = false;
if (AntiDOS.EvaluateOpcode(*packet, currentTime))
{
if (!sScriptMgr->CanPacketReceive(this, *packet))
@@ -714,6 +740,7 @@ void WorldSession::LogoutPlayer(bool save)
m_playerLogout = false;
m_playerSave = false;
m_playerRecentlyLogout = true;
SetLogoutStartTime(0);
}
@@ -1261,6 +1288,8 @@ void WorldSession::SendAddonsInfo()
void WorldSession::SetPlayer(Player* player)
{
_player = player;
// set m_GUID that can be used while player loggined and later until m_playerRecentlyLogout not reset
if (_player)
m_GUIDLow = _player->GetGUID().GetCounter();
}