221 lines
7.6 KiB
C++
221 lines
7.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
|
|
// 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/>.
|
|
|
|
#ifndef NL_CALLBACK_NET_BASE_H
|
|
#define NL_CALLBACK_NET_BASE_H
|
|
|
|
#undef USE_MESSAGE_RECORDER
|
|
|
|
#include "nel/misc/types_nl.h"
|
|
#include "nel/misc/time_nl.h"
|
|
|
|
#include "buf_net_base.h"
|
|
#include "message.h"
|
|
#include "inet_address.h"
|
|
|
|
#ifdef USE_MESSAGE_RECORDER
|
|
#include "message_recorder.h"
|
|
#include <queue>
|
|
#endif
|
|
|
|
#include <vector>
|
|
|
|
|
|
namespace NLNET {
|
|
|
|
class CCallbackNetBase;
|
|
|
|
/** Callback function type for message processing
|
|
*
|
|
* msgin contains parameters of the message
|
|
* from is the SockId of the connection, for a client, from is always the same value
|
|
*/
|
|
typedef void (*TMsgCallback) (CMessage &msgin, TSockId from, CCallbackNetBase &netbase);
|
|
|
|
|
|
/// Callback items. See CMsgSocket::update() for an explanation on how the callbacks are called.
|
|
typedef struct
|
|
{
|
|
/// Key C string. It is a message type name, or "C" for connection or "D" for disconnection
|
|
const char *Key;
|
|
/// The callback function
|
|
TMsgCallback Callback;
|
|
|
|
} TCallbackItem;
|
|
|
|
|
|
/**
|
|
* Layer 3
|
|
* \author Vianney Lecroart
|
|
* \author Nevrax France
|
|
* \date 2001
|
|
*/
|
|
class CCallbackNetBase
|
|
{
|
|
public:
|
|
|
|
virtual ~CCallbackNetBase() {}
|
|
|
|
/** Set the user data */
|
|
void setUserData(void *userData);
|
|
|
|
/** Get the user data */
|
|
void *getUserData();
|
|
|
|
/** Sends a message to special connection.
|
|
* On a client, the hostid isn't used.
|
|
* On a server, you must provide a hostid. If you hostid = InvalidSockId, the message will be sent to all connected client.
|
|
*/
|
|
virtual void send (const CMessage &buffer, TSockId hostid = InvalidSockId, bool log = true) = 0;
|
|
|
|
uint64 getBytesSent () { return _BytesSent; }
|
|
uint64 getBytesReceived () { return _BytesReceived; }
|
|
|
|
virtual uint64 getReceiveQueueSize () = 0;
|
|
virtual uint64 getSendQueueSize () = 0;
|
|
|
|
virtual void displayReceiveQueueStat (NLMISC::CLog *log = NLMISC::InfoLog) = 0;
|
|
virtual void displaySendQueueStat (NLMISC::CLog *log = NLMISC::InfoLog, TSockId destid = InvalidSockId) = 0;
|
|
|
|
virtual void displayThreadStat (NLMISC::CLog *log = NLMISC::InfoLog) = 0;
|
|
|
|
/** Force to send all data pending in the send queue.
|
|
* On a client, the hostid isn't used and must be InvalidSockId
|
|
* On a server, you must provide a hostid.
|
|
* If you provide a non-null pointer for nbBytesRemaining, the value will be filled*
|
|
* will the number of bytes that still remain in the sending queue after the
|
|
* non-blocking flush attempt.
|
|
*/
|
|
virtual bool flush (TSockId hostid = InvalidSockId, uint *nbBytesRemaining=NULL) = 0;
|
|
|
|
/** Appends callback array with the specified array. You can add callback only *after* adding the server or the client.
|
|
* \param arraysize is the number of callback items.
|
|
*/
|
|
void addCallbackArray (const TCallbackItem *callbackarray, sint arraysize);
|
|
|
|
/// Sets default callback for unknown message types
|
|
void setDefaultCallback(TMsgCallback defaultCallback) { _DefaultCallback = defaultCallback; }
|
|
|
|
/// Set the pre dispatch callback. This callback is called before each message is dispatched
|
|
void setPreDispatchCallback(TMsgCallback predispatchCallback) { _PreDispatchCallback = predispatchCallback;}
|
|
|
|
/// Sets callback for disconnections (or NULL to disable callback)
|
|
void setDisconnectionCallback (TNetCallback cb, void *arg) { _DisconnectionCallback = cb; _DisconnectionCbArg = arg; }
|
|
|
|
/// returns the sockid of a connection. On a server, this function returns the parameter. On a client, it returns the connection.
|
|
virtual TSockId getSockId (TSockId hostid = InvalidSockId) = 0;
|
|
|
|
/** Sets the callback that you want the other side calls. If it didn't call this callback, it will be disconnected
|
|
* If cb is NULL, we authorize *all* callback.
|
|
* On a client, the hostid must be InvalidSockId (or ommited).
|
|
* On a server, you must provide a hostid.
|
|
*/
|
|
void authorizeOnly (const char *callbackName, TSockId hostid = InvalidSockId);
|
|
|
|
/// Returns true if this is a CCallbackServer
|
|
bool isAServer () const { return _IsAServer; }
|
|
|
|
/// This function is implemented in the client and server class
|
|
virtual bool dataAvailable () = 0;
|
|
/// This function is implemented in the client and server class
|
|
virtual bool getDataAvailableFlagV() const = 0;
|
|
/// This function is implemented in the client and server class
|
|
virtual void update2 ( sint32 timeout=0, sint32 mintime=0 ) = 0;
|
|
/// This function is implemented in the client and server class (legacy)
|
|
virtual void update ( sint32 timeout=0 ) = 0;
|
|
/// This function is implemented in the client and server class
|
|
virtual bool connected () const = 0;
|
|
/// This function is implemented in the client and server class
|
|
virtual void disconnect (TSockId hostid = InvalidSockId) = 0;
|
|
|
|
/// Returns the address of the specified host
|
|
virtual const CInetAddress& hostAddress (TSockId hostid);
|
|
|
|
// Defined even when USE_MESSAGE_RECORDER is not defined
|
|
enum TRecordingState { Off, Record, Replay };
|
|
|
|
protected:
|
|
|
|
uint64 _BytesSent, _BytesReceived;
|
|
|
|
/// Used by client and server class
|
|
TNetCallback _NewDisconnectionCallback;
|
|
|
|
/// Constructor.
|
|
CCallbackNetBase( TRecordingState rec=Off, const std::string& recfilename="", bool recordall=true );
|
|
|
|
/** Used by client and server class
|
|
* More info about timeout and mintime in the code.
|
|
*/
|
|
void baseUpdate2 ( sint32 timeout=-1, sint32 mintime=0 );
|
|
|
|
/// Used by client and server class (legacy)
|
|
void baseUpdate ( sint32 timeout=0 );
|
|
|
|
/// Read a message from the network and process it
|
|
void processOneMessage ();
|
|
|
|
/// On this layer, you can't call directly receive, It s the update() function that receive and call your callaback
|
|
virtual void receive (CMessage &buffer, TSockId *hostid) = 0;
|
|
|
|
// contains callbacks
|
|
std::vector<TCallbackItem> _CallbackArray;
|
|
|
|
// called if the received message is not found in the callback array
|
|
TMsgCallback _DefaultCallback;
|
|
|
|
// If not null, called before each message is dispached to it's callback
|
|
TMsgCallback _PreDispatchCallback;
|
|
|
|
bool _IsAServer;
|
|
bool _FirstUpdate;
|
|
|
|
// ---------------------------------------
|
|
#ifdef USE_MESSAGE_RECORDER
|
|
bool replayDataAvailable();
|
|
virtual bool replaySystemCallbacks() = 0;
|
|
void noticeDisconnection( TSockId hostid );
|
|
|
|
TRecordingState _MR_RecordingState;
|
|
sint64 _MR_UpdateCounter;
|
|
|
|
CMessageRecorder _MR_Recorder;
|
|
#endif
|
|
// ---------------------------------------
|
|
|
|
private:
|
|
|
|
void *_UserData;
|
|
|
|
NLMISC::TTime _LastUpdateTime;
|
|
NLMISC::TTime _LastMovedStringArray;
|
|
|
|
TNetCallback _DisconnectionCallback;
|
|
void *_DisconnectionCbArg;
|
|
|
|
friend void cbnbMessageAskAssociations (CMessage &msgin, TSockId from, CCallbackNetBase &netbase);
|
|
friend void cbnbMessageRecvAssociations (CMessage &msgin, TSockId from, CCallbackNetBase &netbase);
|
|
|
|
friend void cbnbNewDisconnection (TSockId from, void *data);
|
|
};
|
|
|
|
|
|
} // NLNET
|
|
|
|
|
|
#endif // NL_CALLBACK_NET_BASE_H
|
|
|
|
/* End of callback_net_base.h */
|