khanat-opennel-code/code/ryzom/common/src/game_share/action_generic.cpp

112 lines
2.6 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 "action_generic.h"
//
// Using
//
using namespace std;
using namespace NLMISC;
using namespace NLNET;
namespace CLFECOMMON {
bool CActionGeneric::ServerSide = false;
//
// Classes
//
void CActionGeneric::unpack (NLMISC::CBitMemStream &message)
{
// Prepare _Message for output
_Message.clear();
if (!_Message.isReading())
_Message.invert();
// Read size from message, and check to avoid hacking!
uint32 size;
message.serial (size);
if ( size > 512 && ServerSide)
{
throw EInvalidDataStream();
}
// Write the data from message to _Message
uint8 *ptr = _Message.bufferToFill(size);
message.serialBuffer(ptr, size);
//message.serial (_Message);
}
void CActionGeneric::pack (NLMISC::CBitMemStream &message)
{
message.serialBufferWithSize((uint8*)_Message.buffer(), _Message.length());
// message.serial (_Message);
}
void CActionGeneric::serial (NLMISC::IStream &/* f */)
{
// f.serial (Position);
}
uint32 CActionGeneric::size ()
{
// If you change this size, please update IMPULSE_ACTION_HEADER_SIZE in the front-end
// in bits!!! (the message size and after the message itself)
return (4 + _Message.length()) * 8;
}
void CActionGeneric::set (CBitMemStream &message)
{
_Message = message;
if (!_Message.isReading())
_Message.invert ();
}
// Avoid to alloc a bitmemstream if not needed
void CActionGeneric::setFromMessage (CMemStream &message, uint32 bytelen)
{
if (!_Message.isReading())
_Message.invert ();
nlassert( message.getPos() + bytelen <= message.length() );
_Message.fill(message.buffer() + message.getPos(), bytelen);
}
CBitMemStream &CActionGeneric::get ()
{
// when we get a the message, it s that you want to read it, so change the flux if needed
if (!_Message.isReading())
_Message.invert ();
// reset the flux to the start
_Message.resetBufPos();
return _Message;
}
}