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// $Id: RlinkPortFifo.cpp 607 2014-11-30 20:02:48Z mueller $
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// $Id: RlinkPortFifo.cpp 666 2015-04-12 21:17:54Z mueller $
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//
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//
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// Copyright 2011-2013 y Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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// Copyright 2011-2015 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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//
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//
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// This program is free software; you may redistribute and/or modify it under
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// This program is free software; you may redistribute and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, either version 2, or at your option any later version.
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// Software Foundation, either version 2, or at your option any later version.
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//
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//
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for complete details.
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// for complete details.
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//
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//
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// Revision History:
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// Revision History:
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// Date Rev Version Comment
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// Date Rev Version Comment
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// 2015-04-12 666 1.2 add xon,noinit attributes
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// 2013-02-23 492 1.1 use RparseUrl
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// 2013-02-23 492 1.1 use RparseUrl
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// 2011-03-27 374 1.0 Initial version
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// 2011-03-27 374 1.0 Initial version
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// 2011-01-15 356 0.1 First draft
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// 2011-01-15 356 0.1 First draft
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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/*!
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/*!
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\file
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\file
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\version $Id: RlinkPortFifo.cpp 607 2014-11-30 20:02:48Z mueller $
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\version $Id: RlinkPortFifo.cpp 666 2015-04-12 21:17:54Z mueller $
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\brief Implemenation of RlinkPortFifo.
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\brief Implemenation of RlinkPortFifo.
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*/
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*/
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/stat.h>
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bool RlinkPortFifo::Open(const std::string& url, RerrMsg& emsg)
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bool RlinkPortFifo::Open(const std::string& url, RerrMsg& emsg)
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{
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{
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if (IsOpen()) Close();
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if (IsOpen()) Close();
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if (!fUrl.Set(url, "|keep|", emsg)) return false;
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if (!fUrl.Set(url, "|keep|xon|noinit|", emsg)) return false;
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// Note: _rx fifo must be opened before the _tx fifo, otherwise the test
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// Note: _rx fifo must be opened before the _tx fifo, otherwise the test
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// bench might close with EOF on read prematurely (is a race condition).
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// bench might close with EOF on read prematurely (is a race condition).
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fFdWrite = OpenFifo(fUrl.Path() + "_rx", true, emsg);
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fFdWrite = OpenFifo(fUrl.Path() + "_rx", true, emsg);
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close(fFdWrite);
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close(fFdWrite);
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fFdWrite = -1;
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fFdWrite = -1;
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return false;
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return false;
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}
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}
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fXon = fUrl.FindOpt("xon");
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fIsOpen = true;
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fIsOpen = true;
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return true;
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return true;
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}
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}
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