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https://github.com/kasmtech/KasmVNC.git
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259f1055cb
Provides safety against them accidentally becoming negative because of bugs in the calculations. Also does the same to CharArray and friends as they were strongly connection to the stream objects.
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
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* Copyright 2011 Pierre Ossman for Cendio AB
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*
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* This 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 2 of the License, or
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* (at your option) any later version.
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*
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* This software 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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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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//
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// FdOutStream streams to a file descriptor.
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//
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#ifndef __RDR_FDOUTSTREAM_H__
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#define __RDR_FDOUTSTREAM_H__
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#include <sys/time.h>
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#include <rdr/OutStream.h>
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namespace rdr {
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class FdOutStream : public OutStream {
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public:
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FdOutStream(int fd, bool blocking=true, int timeoutms=-1, size_t bufSize=0);
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virtual ~FdOutStream();
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void setTimeout(int timeoutms);
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void setBlocking(bool blocking);
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int getFd() { return fd; }
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void flush();
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size_t length();
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int bufferUsage();
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unsigned getIdleTime();
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private:
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size_t overrun(size_t itemSize, size_t nItems);
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size_t writeWithTimeout(const void* data, size_t length, int timeoutms);
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int fd;
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bool blocking;
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int timeoutms;
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size_t bufSize;
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size_t offset;
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U8* start;
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U8* sentUpTo;
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struct timeval lastWrite;
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};
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}
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#endif
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