155 lines
4.5 KiB
C++
155 lines
4.5 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "stdnet.h"
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#include "nel/net/buf_net_base.h"
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using namespace NLMISC;
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using namespace std;
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namespace NLNET {
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uint32 NbNetworkTask = 0;
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// The value that will be used if setMaxExpectedBlockSize() is not called (or called with a negative argument)
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uint32 CBufNetBase::DefaultMaxExpectedBlockSize = 1048576; // 10 M unless changed by a NeL variable
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// The value that will be used if setMaxSentBlockSize() is not called (or called with a negative argument)
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uint32 CBufNetBase::DefaultMaxSentBlockSize = 1048576; // 10 M unless changed by a NeL variable
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/***************************************************************************************************
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* User main thread
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**************************************************************************************************/
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/*
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* Constructor
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*/
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#ifdef NL_OS_UNIX
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CBufNetBase::CBufNetBase( bool isDataAvailablePipeSelfManaged ) :
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#else
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CBufNetBase::CBufNetBase() :
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#endif
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_RecvFifo("CBufNetBase::_RecvFifo"),
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_DisconnectionCallback( NULL ),
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_DisconnectionCbArg( NULL ),
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_MaxExpectedBlockSize( DefaultMaxExpectedBlockSize ),
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_MaxSentBlockSize( DefaultMaxSentBlockSize ),
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_DataAvailable( false )
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{
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// Debug info for mutexes
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#ifdef MUTEX_DEBUG
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initAcquireTimeMap();
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#endif
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#ifdef NL_OS_UNIX
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_IsDataAvailablePipeSelfManaged = isDataAvailablePipeSelfManaged;
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if ( _IsDataAvailablePipeSelfManaged )
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{
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if ( ::pipe( _DataAvailablePipeHandle ) != 0 )
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nlwarning( "Unable to create D.A. pipe" );
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}
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#endif
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}
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/*
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* Destructor
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*/
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CBufNetBase::~CBufNetBase()
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{
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#ifdef NL_OS_UNIX
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if ( _IsDataAvailablePipeSelfManaged )
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{
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::close( _DataAvailablePipeHandle[PipeRead] );
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::close( _DataAvailablePipeHandle[PipeWrite] );
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}
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#endif
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}
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/*
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* Push message into receive queue (mutexed)
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* TODO OPTIM never use this function
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*/
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void CBufNetBase::pushMessageIntoReceiveQueue( const std::vector<uint8>& buffer )
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{
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//sint32 mbsize;
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{
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//nldebug( "BNB: Acquiring the receive queue... ");
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CFifoAccessor recvfifo( &_RecvFifo );
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//nldebug( "BNB: Acquired, pushing the received buffer... ");
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recvfifo.value().push( buffer );
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//nldebug( "BNB: Pushed, releasing the receive queue..." );
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//mbsize = recvfifo.value().size() / 1048576;
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setDataAvailableFlag( true );
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}
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#ifdef NL_OS_UNIX
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// Wake-up main thread (outside the critical section of CFifoAccessor, to allow main thread to be
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// read the fifo; if the main thread sees the Data Available flag is true but the pipe not written
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// yet, it will block on read()).
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uint8 b=0;
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if ( write( _DataAvailablePipeHandle[PipeWrite], &b, 1 ) == -1 )
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{
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nlwarning( "LNETL1: Write pipe failed in pushMessageIntoReceiveQueue" );
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}
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//nldebug( "Pipe: 1 byte written (%p)", this );
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#endif
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//nldebug( "BNB: Released." );
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//if ( mbsize > 1 )
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//{
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// nlwarning( "The receive queue size exceeds %d MB", mbsize );
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//}
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}
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/*
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* Push message into receive queue (mutexed)
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*/
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void CBufNetBase::pushMessageIntoReceiveQueue( const uint8 *buffer, uint32 size )
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{
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//sint32 mbsize;
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{
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//nldebug( "BNB: Acquiring the receive queue... ");
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CFifoAccessor recvfifo( &_RecvFifo );
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//nldebug( "BNB: Acquired, pushing the received buffer... ");
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recvfifo.value().push( buffer, size );
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//nldebug( "BNB: Pushed, releasing the receive queue..." );
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//mbsize = recvfifo.value().size() / 1048576;
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setDataAvailableFlag( true );
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#ifdef NL_OS_UNIX
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// Wake-up main thread
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uint8 b=0;
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if ( write( _DataAvailablePipeHandle[PipeWrite], &b, 1 ) == -1 )
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{
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nlwarning( "LNETL1: Write pipe failed in pushMessageIntoReceiveQueue" );
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}
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nldebug( "Pipe: 1 byte written" );
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#endif
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}
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//nldebug( "BNB: Released." );
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/*if ( mbsize > 1 )
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{
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nlwarning( "The receive queue size exceeds %d MB", mbsize );
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}*/
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}
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NLMISC_CATEGORISED_VARIABLE(nel, uint32, NbNetworkTask, "Number of server and client thread");
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} // NLNET
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