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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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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 General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#include "plBufferedSocketWriter.h"
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#include "plTcpSocket.h"
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plBufferedSocketWriter::plBufferedSocketWriter(int size, int bytesPerFlush, bool blockOnSend, int flushPoint)
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: plRingBuffer(size)
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, fFlushPoint(flushPoint)
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, fBlockOnSend(blockOnSend)
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, fBytesPerFlush(bytesPerFlush)
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{}
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int plBufferedSocketWriter::WriteBlock(const char * data, int len, plTcpSocket & sck)
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{
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int ans = kSuccessNoDataSent;
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if(len > BufferAvailable())
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ans = Flush(sck);
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if(ans >= 0)
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ans = WriteBlock(data,len);
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if(ans >= 0 && fFlushPoint >= 0 && fFlushPoint < AmountBuffered())
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ans = Flush(sck);
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return ans;
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}
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int plBufferedSocketWriter::WriteBlock(const char * data, int len)
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{
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int ans = kSuccessNoDataSent;
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if(!Put(data,len))
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ans = kFailedNoBufferSpace;
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return ans;
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}
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int plBufferedSocketWriter::Flush(plTcpSocket & sck) // this is where things get ugly.
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{
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int ans = kSuccessNoDataSent;
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int writeSize = MIN(FastAmountBuffered(),fBytesPerFlush);
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if(writeSize > 0)
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{
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int nBytesWritten = 0;
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// int nBytesWritten = sck.SendData(FastGetBufferStart(), writeSize);
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// if (nBytesWritten<0 && fBlockOnSend
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// && plNet::GetError()==kBlockingError)
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{
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bool wasBlockingOrNot = sck.IsBlocking();
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sck.SetBlocking(fBlockOnSend);
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nBytesWritten = sck.SendData(FastGetBufferStart(), writeSize);
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sck.SetBlocking(wasBlockingOrNot);
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}
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if (nBytesWritten > 0)
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{
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fStartPos += nBytesWritten;
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FullCompress();
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ans = kSuccessDataSent;
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}
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else if (nBytesWritten < 0)
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{
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if (plNet::GetError()!=kBlockingError)
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ans = kFailedWriteError;
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}
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else
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{
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ans = kFailedSocketClosed;
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}
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}
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return ans;
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}
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bool plBufferedSocketWriter::IsEmpty()
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{
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return !(FastAmountBuffered() > 0);
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}
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void plBufferedSocketWriter::Reset()
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{
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plRingBuffer::Reset();
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}
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