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Initial LoginServer project commit
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Anonymous
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// ClientConnection.cpp
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// copyright 2000 Verant Interactive
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// Author: Justin Randall
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//-----------------------------------------------------------------------
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#include "FirstLoginServer.h"
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#include "ClientConnection.h"
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#include "Archive/ByteStream.h"
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#include "ConfigLoginServer.h"
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#include "DatabaseConnection.h"
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#include "LoginServer.h"
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#include "SessionApiClient.h"
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#include "serverKeyShare/KeyShare.h"
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#include "sharedFoundation/ApplicationVersion.h"
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#include "sharedLog/Log.h"
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#include "sharedNetworkMessages/ClientLoginMessages.h"
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#include "sharedNetworkMessages/DeleteCharacterMessage.h"
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#include "sharedNetworkMessages/DeleteCharacterReplyMessage.h"
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#include "sharedNetworkMessages/ErrorMessage.h"
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#include "sharedNetworkMessages/GenericValueTypeMessage.h"
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#include "sharedNetworkMessages/LoginEnumCluster.h"
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//-----------------------------------------------------------------------
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ClientConnection::ClientConnection(UdpConnectionMT * u, TcpClient * t) :
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ServerConnection(u, t),
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m_clientId(0),
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m_isValidated(false),
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m_isSecure(false),
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m_adminLevel(-1),
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m_stationId(0),
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m_requestedAdminSuid(0),
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m_gameBits(0),
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m_subscriptionBits(0),
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m_waitingForCharacterLoginDeletion(false),
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m_waitingForCharacterClusterDeletion(false)
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{
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}
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//-----------------------------------------------------------------------
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ClientConnection::~ClientConnection()
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{
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}
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//-----------------------------------------------------------------------
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void ClientConnection::onConnectionClosed()
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{
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// client has disconnected
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DEBUG_REPORT_LOG(true, ("Client %lu disconnected\n", getStationId()));
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LOG("LoginClientConnection", ("onConnectionClosed() for stationId (%lu) at IP (%s)", m_stationId, getRemoteAddress().c_str()));
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LoginServer::getInstance().removeClient(m_clientId);
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if (!m_isValidated)
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{
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SessionApiClient * session = LoginServer::getInstance().getSessionApiClient();
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if (session)
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session->dropClient(this);
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}
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}
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//-----------------------------------------------------------------------
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void ClientConnection::onConnectionOpened()
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{
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m_clientId = LoginServer::getInstance().addClient(*this);
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setOverflowLimit(ConfigLoginServer::getClientOverflowLimit());
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LOG("LoginClientConnection", ("onConnectionOpened() for stationId (%lu) at IP (%s)", m_stationId, getRemoteAddress().c_str()));
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}
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//-----------------------------------------------------------------------
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void ClientConnection::onReceive(const Archive::ByteStream & message)
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{
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try
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{
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//Handle all client messages here. Do not forward out.
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Archive::ReadIterator ri = message.begin();
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GameNetworkMessage m(ri);
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ri = message.begin();
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//Validation check
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if (!getIsValidated() && !m.isType("LoginClientId"))
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{
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//Receiving message from unvalidated client. Pitch it.
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DEBUG_WARNING(true, ("Received %s message from unknown, unvalidated client", m.getCmdName().c_str()));
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return;
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}
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if(m.isType("LoginClientId"))
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{
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// send the client the server "now" Epoch time so that the
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// client has an idea of how much difference there is between
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// the client's Epoch time and the server Epoch time
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GenericValueTypeMessage<int32> const serverNowEpochTime(
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"ServerNowEpochTime", static_cast<int32>(::time(NULL)));
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send(serverNowEpochTime, true);
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LoginClientId id(ri);
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// verify version
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#if PRODUCTION == 1
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if(!ConfigLoginServer::getValidateClientVersion() || id.getVersion() == GameNetworkMessage::NetworkVersionId)
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{
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validateClient(id.getId(), id.getKey());
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}
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else
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{
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LOG("CustomerService", ("Login:LoginServer dropping client (stationId=[%lu], ip=[%s], id=[%s], key=[%s], version=[%s]) because of network version mismatch (required version=[%s])", m_stationId, getRemoteAddress().c_str(), id.getId().c_str(), id.getKey().c_str(), id.getVersion().c_str(), GameNetworkMessage::NetworkVersionId.c_str()));
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// disconnect is handled on the client side, as soon as it recieves this message
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#if _DEBUG
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LoginIncorrectClientId incorrectId(GameNetworkMessage::NetworkVersionId, ApplicationVersion::getInternalVersion());
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#else
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LoginIncorrectClientId incorrectId("", "");
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#endif // _DEBUG
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send(incorrectId, true);
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}
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#else
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validateClient( id.getId(), id.getKey() );
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#endif // PRODUCTION == 1
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}
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else if ( m.isType( "RequestExtendedClusterInfo" ) )
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{
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LoginServer::getInstance().sendExtendedClusterInfo( *this );
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}
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else if (m.isType("DeleteCharacterMessage"))
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{
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DeleteCharacterMessage msg(ri);
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std::vector<NetworkId>::const_iterator f = std::find(m_charactersPendingDeletion.begin(), m_charactersPendingDeletion.end(), msg.getCharacterId());
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if ((m_waitingForCharacterLoginDeletion || m_waitingForCharacterClusterDeletion) && f != m_charactersPendingDeletion.end())
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{
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_ALREADY_IN_PROGRESS);
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send(reply,true);
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}
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else
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{
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if (LoginServer::getInstance().deleteCharacter(msg.getClusterId(), msg.getCharacterId(), getStationId()))
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{
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m_waitingForCharacterLoginDeletion=true;
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m_waitingForCharacterClusterDeletion=true;
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m_charactersPendingDeletion.push_back(msg.getCharacterId());
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}
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else
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{
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_CLUSTER_DOWN);
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send(reply,true);
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}
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}
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}
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}
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catch(const Archive::ReadException & readException)
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{
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WARNING(true, ("Archive read error (%s) on message from client. Disconnecting client.", readException.what()));
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disconnect();
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}
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}
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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// Stub routine for station API account validation.
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// Grab a challenge key from the list and send it back to the client.
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void ClientConnection::validateClient(const std::string & id, const std::string & key)
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{
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if (ConfigLoginServer::getValidateStationKey())
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{
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m_requestedAdminSuid = atoi(id.c_str()); // for normal logins, this will be set to 0
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SessionApiClient * sessionApiClient = LoginServer::getInstance().getSessionApiClient();
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DEBUG_FATAL(!sessionApiClient, ("Config file says to validate with session, but no session api is installed"));
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if(sessionApiClient) //lint !e774 //(Boolean within 'if' always evaluates to True) the previous DEBUG_FATAL probably causes this warning
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sessionApiClient->validateClient(this, key);
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}
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else if (ConfigLoginServer::getDoSessionLogin())
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{
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SessionApiClient * sessionApiClient = LoginServer::getInstance().getSessionApiClient();
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DEBUG_FATAL(!sessionApiClient, ("Config file says to do session login, but no session api is installed"));
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if(sessionApiClient) //lint !e774 //(Boolean within 'if' always evaluates to True) the previous DEBUG_FATAL probably causes this warning
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sessionApiClient->loginClient(this, id, key);
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}
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else
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{
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StationId suid = atoi(id.c_str());
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if (suid==0)
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{
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std::hash<std::string> h;
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suid = h(id); //lint !e603 // Symbol 'h' not initialized (it's a functor)
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}
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LOG("LoginClientConnection", ("validateClient() for stationId (%lu) at IP (%s), id (%s) key (%s), skipping validating session", m_stationId, getRemoteAddress().c_str(), id.c_str(), key.c_str()));
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LoginServer::getInstance().onValidateClient(suid, id, this, true, NULL, 0xFFFFFFFF, 0xFFFFFFFF);
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}
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}
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// ----------------------------------------------------------------------------
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/**
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* The character has been deleted from the login database. 1/2 of what is
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* required for character deletion. If the character has already been deleted
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* from the cluster, send the reply message to the client.
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*/
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void ClientConnection::onCharacterDeletedFromLoginDatabase(const NetworkId & characterId)
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{
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m_waitingForCharacterLoginDeletion = false;
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if (!m_waitingForCharacterClusterDeletion)
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{
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std::vector<NetworkId>::iterator f = std::find(m_charactersPendingDeletion.begin(), m_charactersPendingDeletion.end(), characterId);
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if(f != m_charactersPendingDeletion.end())
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{
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m_charactersPendingDeletion.erase(f);
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}
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_OK);
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send(reply,true);
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LOG("CustomerService", ("Player:deleted character %s for stationId %u at IP: %s", characterId.getValueString().c_str(), m_stationId, getRemoteAddress().c_str()));
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}
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}
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// ----------------------------------------------------------------------
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void ClientConnection::onCharacterDeletedFromCluster(const NetworkId & characterId)
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{
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m_waitingForCharacterClusterDeletion = false;
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if (!m_waitingForCharacterLoginDeletion)
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{
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std::vector<NetworkId>::iterator f = std::find(m_charactersPendingDeletion.begin(), m_charactersPendingDeletion.end(), characterId);
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if(f != m_charactersPendingDeletion.end())
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{
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m_charactersPendingDeletion.erase(f);
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}
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DeleteCharacterReplyMessage reply(DeleteCharacterReplyMessage::rc_OK);
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send(reply,true);
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LOG("CustomerService", ("Player:deleted character %s for stationId %u at IP: %s", characterId.getValueString().c_str(), m_stationId, getRemoteAddress().c_str()));
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}
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}
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// ----------------------------------------------------------------------
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StationId ClientConnection::getRequestedAdminSuid() const
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{
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return m_requestedAdminSuid;
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}
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// ======================================================================
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