khanat-opennel-code/code/nel/include/nel/net/unitime.h

104 lines
3.7 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_UNITIME_H
#define NL_UNITIME_H
#include "nel/misc/types_nl.h"
#include "nel/misc/time_nl.h"
#include "nel/misc/debug.h"
#include "callback_net_base.h"
namespace NLNET
{
class CInetAddress;
class CCallbackServer;
class CCallbackClient;
/**
* This class provide a independant universal time system.
* \author Vianney Lecroart
* \author Nevrax France
* \date 2000
*
* THIS CLASS IS DEPRECATED, DON'T USE IT
*
*/
class _CUniTime : public NLMISC::CTime
{
public:
/// Return the time in millisecond. This time is the same on all computers at the \b same moment.
static NLMISC::TTime getUniTime ();
/// Return the time in a string format to be display
static const char *getStringUniTime ();
/// Return the time in a string format to be display
static const char *getStringUniTime (NLMISC::TTime ut);
/** You need to call this function before calling getUniTime or an assert will occured.
* This function will connect to the time service and synchronize your computer.
* This function assumes that all services run on server that are time synchronized with NTP for example.
* If addr is NULL, the function will connect to the Time Service via the Naming Service. In this case,
* the CNamingClient must be connected to a Naming Service.
* This function can be called *ONLY* by services that are inside of the shard.
* Don't use it for a client or a service outside of the shard.
*/
static void syncUniTimeFromService (CCallbackNetBase::TRecordingState rec=CCallbackNetBase::Off, const CInetAddress *addr = NULL);
/** Call this function in the init part of the front end service to enable time syncro between
* shard and clients.
*/
static void installServer (CCallbackServer *server);
/** Call this functions in the init part of the client side to synchronize between client and shard.
* client is the connection between the client and the front end. The connection must be established before
* calling this function.
*/
static void syncUniTimeFromServer (CCallbackClient *client);
/** \internal used by the time service to set the universal time the first time
*/
static void setUniTime (NLMISC::TTime uTime, NLMISC::TTime lTime);
/** \internal
*/
static void setUniTime (NLMISC::TTime uTime);
/**
* Call this method before to prevent syncUniTimeFromService() from real synchronization:
* syncUniTimeFromService() will still communicate with the time service, as usual,
* but the local time will not be synchronized.
*/
static void simulate() { nlstop; _Simulate = true; }
static bool Sync; // true if the synchronization occured
private:
static NLMISC::TTime _SyncUniTime; // time in millisecond when the universal time received
static NLMISC::TTime _SyncLocalTime; // time in millisecond when the syncro with universal time occured
// If true, do not synchronize
static bool _Simulate;
};
} // NLNET
#endif // NL_UNITIME_H
/* End of unitime.h */