mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-27 17:46:18 +00:00
566 lines
14 KiB
C++
566 lines
14 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
|
|
// Copyright (C) 2010 Winch Gate Property Limited
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as
|
|
// published by the Free Software Foundation, either version 3 of the
|
|
// License, or (at your option) 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 Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#include "stdpch.h"
|
|
#include "nel/net/module.h"
|
|
#include "nel/net/module_manager.h"
|
|
#include "nel/net/module_gateway.h"
|
|
// client include
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
# include "net_manager.h"
|
|
# include "network_connection.h"
|
|
#else
|
|
# include "../client_drone/network_connection.h"
|
|
# include "../client_drone/simulated_client.h"
|
|
# include "../game_share/generic_xml_msg_mngr.h"
|
|
#endif
|
|
|
|
using namespace std;
|
|
using namespace NLMISC;
|
|
using namespace NLNET;
|
|
|
|
extern CGenericXmlMsgHeaderManager GenericMsgHeaderMngr;
|
|
|
|
/** the specialized route for frontend client transport */
|
|
class CFEClientRoute : public CGatewayRoute
|
|
{
|
|
public:
|
|
|
|
// the network connection to use to send data
|
|
CNetworkConnection *NetConn;
|
|
|
|
|
|
CFEClientRoute(IGatewayTransport *transport, CNetworkConnection *netConn)
|
|
: CGatewayRoute(transport),
|
|
NetConn(netConn)
|
|
{
|
|
// warn the server that the transport is open
|
|
CBitMemStream bms;
|
|
GenericMsgHeaderMngr.pushNameToStream( "MODULE_GATEWAY:FEOPEN", bms );
|
|
|
|
sendRawMessage(bms);
|
|
}
|
|
|
|
~CFEClientRoute()
|
|
{
|
|
// warn the server that the transport is closed
|
|
CBitMemStream bms;
|
|
GenericMsgHeaderMngr.pushNameToStream( "MODULE_GATEWAY:FECLOSE", bms );
|
|
|
|
sendRawMessage(bms);
|
|
}
|
|
|
|
|
|
void sendMessage(const CMessage &message) const
|
|
{
|
|
// wrap the message in a transport message
|
|
CBitMemStream wrapper;
|
|
GenericMsgHeaderMngr.pushNameToStream( "MODULE_GATEWAY:GATEWAY_MSG", wrapper );
|
|
// wrapper.serial(message.getName());
|
|
// wrapper.serialBufferWithSize(const_cast<uint8*>(message.buffer())+message.getHeaderSize(), message.length()-message.getHeaderSize());
|
|
wrapper.serialBufferWithSize(const_cast<uint8*>(message.buffer()), message.length());
|
|
|
|
sendRawMessage(wrapper);
|
|
}
|
|
|
|
// send a bit mem stream to the server
|
|
void sendRawMessage(CBitMemStream &message) const
|
|
{
|
|
NetConn->push(message);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
#define FE_CLIENT_CLASS_NAME "FEClient"
|
|
/** Transport for module gateway through front end service, client part. */
|
|
class CGatewayFEClientTransport : public IGatewayTransport
|
|
{
|
|
friend class CFEClientRoute;
|
|
public:
|
|
/// Invalid command
|
|
class EInvalidCommand : public NLMISC::Exception
|
|
{
|
|
};
|
|
|
|
/// The established route if any
|
|
CFEClientRoute *_Route;
|
|
|
|
/// Status of the transport.
|
|
bool _Open;
|
|
/// A flag that is false after opening the transport until we receive one message
|
|
bool _FirstMessageReceived;
|
|
|
|
enum TMessageType
|
|
{
|
|
mt_route_open,
|
|
mt_route_close,
|
|
mt_gw_msg,
|
|
};
|
|
/// Storage for message pending because or bad ordering
|
|
struct TWaitingMessage
|
|
{
|
|
TMessageType MessageType;
|
|
CBitMemStream Message;
|
|
};
|
|
|
|
typedef map<uint8, TWaitingMessage> TWaitingMessages;
|
|
/// The list of message waiting because or bad ordering
|
|
TWaitingMessages _WaitingMessages;
|
|
|
|
/// The message serial number that we are waiting to dispatch
|
|
uint8 _NextAwaitedMessage;
|
|
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
// store the unique active transport (only one transport of this type can be activated at a time)
|
|
static CGatewayFEClientTransport *&OpenTransport()
|
|
{
|
|
static CGatewayFEClientTransport *openTransport = NULL;
|
|
|
|
return openTransport;
|
|
}
|
|
#else
|
|
CSimulatedClient *SimClient;
|
|
#endif
|
|
|
|
/// Constructor
|
|
CGatewayFEClientTransport(const IGatewayTransport::TCtorParam ¶m)
|
|
: IGatewayTransport(param),
|
|
_Route(NULL),
|
|
_Open(false),
|
|
_FirstMessageReceived(false),
|
|
_NextAwaitedMessage(0)
|
|
{
|
|
#if defined(RZ_CLIENT_DRONE)
|
|
SimClient = CSimulatedClient::currentContext();
|
|
#endif
|
|
}
|
|
|
|
~CGatewayFEClientTransport()
|
|
{
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
if (OpenTransport() == this)
|
|
{
|
|
// the transport is still open, close it before destruction
|
|
close();
|
|
}
|
|
#else
|
|
// close anyway
|
|
close();
|
|
#endif
|
|
}
|
|
|
|
const std::string &getClassName() const
|
|
{
|
|
static string className(FE_CLIENT_CLASS_NAME);
|
|
return className;
|
|
}
|
|
|
|
virtual void update()
|
|
{
|
|
}
|
|
|
|
virtual uint32 getRouteCount() const
|
|
{
|
|
return _Route != NULL ? 1 : 0;
|
|
}
|
|
|
|
void dump(NLMISC::CLog &log) const
|
|
{
|
|
IModuleManager &mm = IModuleManager::getInstance();
|
|
log.displayNL(" Frontend service transport, client part");
|
|
if (!_Open)
|
|
{
|
|
log.displayNL(" The connection is currently closed.");
|
|
}
|
|
else
|
|
{
|
|
log.displayNL(" The connection is open :");
|
|
|
|
if (_Route == NULL)
|
|
{
|
|
log.displayNL(" There is no route.");
|
|
}
|
|
else
|
|
{
|
|
CFEClientRoute *route = _Route;
|
|
log.displayNL(" The route has %u entries in the proxy translation table :",
|
|
route->ForeignToLocalIdx.getAToBMap().size());
|
|
{
|
|
CGatewayRoute::TForeignToLocalIdx::TAToBMap::const_iterator first(route->ForeignToLocalIdx.getAToBMap().begin()), last(route->ForeignToLocalIdx.getAToBMap().end());
|
|
for (; first != last; ++first)
|
|
{
|
|
IModuleProxy *modProx = mm.getModuleProxy(first->second);
|
|
|
|
log.displayNL(" - Proxy '%s' : local proxy id %u => foreign module id %u",
|
|
modProx != NULL ? modProx->getModuleName().c_str() : "ERROR, invalid module",
|
|
first->second,
|
|
first->first);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void onCommand(const CMessage &/* command */) throw (IGatewayTransport::EInvalidCommand)
|
|
{
|
|
// nothing done for now
|
|
throw EInvalidCommand();
|
|
}
|
|
/// The gateway send a textual command to the transport
|
|
bool onCommand(const TParsedCommandLine &command) throw (IGatewayTransport::EInvalidCommand)
|
|
{
|
|
if (command.SubParams.size() < 1)
|
|
throw EInvalidCommand();
|
|
|
|
const std::string &commandName = command.SubParams[0]->ParamName;
|
|
if (commandName == "open")
|
|
{
|
|
if (_Open)
|
|
{
|
|
nlwarning("The transport is already open");
|
|
return false;
|
|
}
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
if (OpenTransport() != NULL)
|
|
{
|
|
nlwarning("A transport is already open, only one transport can be open at a time");
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
open();
|
|
}
|
|
else if (commandName == "close")
|
|
{
|
|
close();
|
|
}
|
|
else
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/// Open the connection by intercepting client gateway message
|
|
void open() throw (ETransportError)
|
|
{
|
|
if (_Open)
|
|
{
|
|
nlwarning("Transport already open");
|
|
return;
|
|
}
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
if (OpenTransport() != NULL)
|
|
throw ETransportError("connect : a transport is already connected !");
|
|
|
|
// set this transport as the open transport
|
|
OpenTransport() = this;
|
|
#else
|
|
// associate this transport with the simulated client for later dispatching
|
|
SimClient->setGatewayTransport(this);
|
|
#endif
|
|
|
|
_Open = true;
|
|
_FirstMessageReceived = false;
|
|
// create a route
|
|
onConnection();
|
|
}
|
|
|
|
/// Close the server, this will close the listing socket and any active connection
|
|
void close()
|
|
{
|
|
if (!_Open)
|
|
{
|
|
nlwarning("Transport not open");
|
|
return;
|
|
}
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
if (OpenTransport() != this)
|
|
throw ETransportError("close : The connection is not open");
|
|
|
|
#else
|
|
// associate this transport with the simulated client for later dispatching
|
|
SimClient->setGatewayTransport(NULL);
|
|
#endif
|
|
|
|
if( _Route != NULL)
|
|
onDisconnection();
|
|
|
|
_Open = false;
|
|
_FirstMessageReceived = false;
|
|
|
|
#if !defined(RZ_CLIENT_DRONE)
|
|
// this transport is no longer open
|
|
OpenTransport() = NULL;
|
|
#endif
|
|
}
|
|
|
|
|
|
/***************************************************/
|
|
/** Event management **/
|
|
/***************************************************/
|
|
|
|
// handle the connection of the client
|
|
void onConnection ( )
|
|
{
|
|
if (_Route != NULL)
|
|
{
|
|
nlwarning("onConnection : route already created !");
|
|
return;
|
|
}
|
|
|
|
CNetworkConnection *netConn;
|
|
#if defined(RZ_CLIENT_DRONE)
|
|
netConn = &SimClient->getNetworkConnection();
|
|
#else
|
|
netConn = &NetMngr;
|
|
#endif
|
|
// Create a new route for this connection
|
|
_Route = new CFEClientRoute(this, netConn);
|
|
|
|
// callback the gateway
|
|
_Gateway->onRouteAdded(_Route);
|
|
}
|
|
|
|
// handle the deconnection of a new client on the client
|
|
void onDisconnection ()
|
|
{
|
|
if (_Route == NULL)
|
|
{
|
|
nlwarning("onDisconnection : route not created !");
|
|
return;
|
|
}
|
|
|
|
// callback the gateway that this route is no more
|
|
_Gateway->onRouteRemoved(_Route);
|
|
|
|
// delete the route
|
|
delete _Route;
|
|
_Route = NULL;
|
|
}
|
|
|
|
// Called to dispatch an incoming message to the gateway
|
|
void onDispatchMessage(NLMISC::CBitMemStream &bms)
|
|
{
|
|
if (_Route == NULL)
|
|
{
|
|
nlwarning("onDispatchMessage : no route created, message will be discarded");
|
|
return;
|
|
}
|
|
|
|
// now, we have received a message
|
|
_FirstMessageReceived = true;
|
|
|
|
// Build a CMessage from the bit mem stream
|
|
// string msgName;
|
|
// bms.serial(msgName);
|
|
|
|
// create an input stream for dispatching
|
|
CMessage msg("", true);
|
|
uint32 len;
|
|
bms.serial(len);
|
|
bms.serialBuffer(msg.bufferToFill(len), len);
|
|
msg.readType();
|
|
|
|
// forward to gateway
|
|
_Gateway->onReceiveMessage(_Route, msg);
|
|
}
|
|
|
|
// a message has been processed, try to process waiting message
|
|
void processPendingMessage()
|
|
{
|
|
if (_WaitingMessages.empty())
|
|
return;
|
|
|
|
TWaitingMessages::iterator it(_WaitingMessages.find(_NextAwaitedMessage));
|
|
while (it != _WaitingMessages.end())
|
|
{
|
|
TWaitingMessage &wm = _WaitingMessages.find(_NextAwaitedMessage)->second;
|
|
|
|
switch (wm.MessageType)
|
|
{
|
|
case mt_route_open:
|
|
impulsionGatewayOpen(wm.Message, false);
|
|
break;
|
|
case mt_route_close:
|
|
impulsionGatewayClose(wm.Message, false);
|
|
break;
|
|
case mt_gw_msg:
|
|
impulsionGatewayMessage(wm.Message, false);
|
|
break;
|
|
}
|
|
|
|
// remove the processed message
|
|
_WaitingMessages.erase(it);
|
|
// advance to next message, _NextAwaitedMessage is incremented by impulsion handler
|
|
it = _WaitingMessages.find(_NextAwaitedMessage);
|
|
}
|
|
}
|
|
|
|
// impulsion gateway open callback handler
|
|
void impulsionGatewayOpen(NLMISC::CBitMemStream &bms, bool readSerialNumber)
|
|
{
|
|
uint8 serialNumber;
|
|
if (readSerialNumber)
|
|
bms.serial(serialNumber);
|
|
else
|
|
serialNumber = _NextAwaitedMessage;
|
|
|
|
if (serialNumber != _NextAwaitedMessage)
|
|
{
|
|
// store the message for later processing
|
|
nlassert(_WaitingMessages.find(serialNumber) == _WaitingMessages.end());
|
|
_WaitingMessages[serialNumber].Message.swap(bms);
|
|
// _WaitingMessages[serialNumber].Message = bms;
|
|
_WaitingMessages[serialNumber].MessageType = mt_route_open;
|
|
|
|
return;
|
|
}
|
|
|
|
// advance to next message for next reception
|
|
++_NextAwaitedMessage;
|
|
|
|
if (_Route != NULL && _FirstMessageReceived)
|
|
{
|
|
// there is already a route here, and it have received some message,
|
|
// we need to delete it
|
|
onDisconnection();
|
|
}
|
|
|
|
if (_Route == NULL)
|
|
// if there is no route, create one
|
|
onConnection();
|
|
|
|
// try to process some messages
|
|
if (readSerialNumber)
|
|
processPendingMessage();
|
|
}
|
|
|
|
// impulsion gateway message callback handler
|
|
void impulsionGatewayMessage(NLMISC::CBitMemStream &bms, bool readSerialNumber)
|
|
{
|
|
uint8 serialNumber;
|
|
if (readSerialNumber)
|
|
bms.serial(serialNumber);
|
|
else
|
|
serialNumber = _NextAwaitedMessage;
|
|
|
|
if (serialNumber != _NextAwaitedMessage)
|
|
{
|
|
// store the message for later processing
|
|
nlassert(_WaitingMessages.find(serialNumber) == _WaitingMessages.end());
|
|
_WaitingMessages[serialNumber].Message.swap(bms);
|
|
// _WaitingMessages[serialNumber].Message = bms;
|
|
_WaitingMessages[serialNumber].MessageType = mt_gw_msg;
|
|
|
|
return;
|
|
}
|
|
|
|
// advance to next message for next reception
|
|
++_NextAwaitedMessage;
|
|
|
|
onDispatchMessage(bms);
|
|
|
|
if (readSerialNumber)
|
|
processPendingMessage();
|
|
}
|
|
|
|
|
|
// impulsion gateway open callback handler
|
|
void impulsionGatewayClose(NLMISC::CBitMemStream &bms, bool readSerialNumber)
|
|
{
|
|
uint8 serialNumber;
|
|
if (readSerialNumber)
|
|
bms.serial(serialNumber);
|
|
else
|
|
serialNumber = _NextAwaitedMessage;
|
|
|
|
if (serialNumber != _NextAwaitedMessage)
|
|
{
|
|
// store the message for later processing
|
|
nlassert(_WaitingMessages.find(serialNumber) == _WaitingMessages.end());
|
|
_WaitingMessages[serialNumber].Message.swap(bms);
|
|
// _WaitingMessages[serialNumber].Message = bms;
|
|
_WaitingMessages[serialNumber].MessageType = mt_route_close;
|
|
|
|
return;
|
|
}
|
|
|
|
// advance to next message for next reception
|
|
++_NextAwaitedMessage;
|
|
|
|
if (_Route == NULL)
|
|
{
|
|
// there is no route open
|
|
return;
|
|
}
|
|
|
|
onDisconnection();
|
|
|
|
if (readSerialNumber)
|
|
processPendingMessage();
|
|
}
|
|
|
|
|
|
/***************************************************/
|
|
|
|
static CGatewayFEClientTransport *getCurrentTransport()
|
|
{
|
|
#if defined(RZ_CLIENT_DRONE)
|
|
// the current transport is set to the current context of the client drone
|
|
if (CSimulatedClient::currentContext() == NULL)
|
|
return NULL;
|
|
if (CSimulatedClient::currentContext()->getGatewayTransport() == NULL)
|
|
return NULL;
|
|
|
|
return static_cast<CGatewayFEClientTransport*>(CSimulatedClient::currentContext()->getGatewayTransport());
|
|
#else
|
|
// normal client mode, there is only one transport
|
|
return OpenTransport();
|
|
#endif
|
|
|
|
}
|
|
};
|
|
|
|
|
|
|
|
void cbImpulsionGatewayOpen(NLMISC::CBitMemStream &bms)
|
|
{
|
|
if (CGatewayFEClientTransport::getCurrentTransport() != NULL)
|
|
CGatewayFEClientTransport::getCurrentTransport()->impulsionGatewayOpen(bms, true);
|
|
}
|
|
|
|
|
|
// impulsion gateway message callback handler
|
|
void cbImpulsionGatewayMessage(NLMISC::CBitMemStream &bms)
|
|
{
|
|
if (CGatewayFEClientTransport::getCurrentTransport() != NULL)
|
|
CGatewayFEClientTransport::getCurrentTransport()->impulsionGatewayMessage(bms, true);
|
|
}
|
|
|
|
// impulsion gateway close callback handler
|
|
void cbImpulsionGatewayClose(NLMISC::CBitMemStream &bms)
|
|
{
|
|
if (CGatewayFEClientTransport::getCurrentTransport() != NULL)
|
|
CGatewayFEClientTransport::getCurrentTransport()->impulsionGatewayClose(bms, true);
|
|
}
|
|
|
|
|
|
|
|
// register this class in the transport factory
|
|
NLMISC_REGISTER_OBJECT(IGatewayTransport, CGatewayFEClientTransport, std::string, string(FE_CLIENT_CLASS_NAME));
|
|
|