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200ba69364
- C++ and Tcl based backend server now fully functional, supports with
DL11, RK11, LP11 and PC11 all devices available in w11a designs
- the old perl based backend server (pi_rri) is obsolete and removed
- operating system kits reorganized
136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
// $Id: Rw11UnitStream.cpp 515 2013-05-04 17:28:59Z mueller $
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//
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// Copyright 2013- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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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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// 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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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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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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//
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// Revision History:
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// Date Rev Version Comment
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// 2013-05-04 515 1.0 Initial version
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// 2013-05-01 513 0.1 First draft
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// ---------------------------------------------------------------------------
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/*!
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\file
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\version $Id: Rw11UnitStream.cpp 515 2013-05-04 17:28:59Z mueller $
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\brief Implemenation of Rw11UnitStream.
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*/
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#include "librtools/Rexception.hpp"
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#include "Rw11UnitStream.hpp"
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using namespace std;
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/*!
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\class Retro::Rw11UnitStream
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\brief FIXME_docs
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*/
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// all method definitions in namespace Retro
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namespace Retro {
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//------------------------------------------+-----------------------------------
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//! Constructor
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Rw11UnitStream::Rw11UnitStream(Rw11Cntl* pcntl, size_t index)
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: Rw11UnitVirt<Rw11VirtStream>(pcntl, index)
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{
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fStats.Define(kStatNPreAttDrop, "NPreAttDrop",
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"output bytes dropped prior attach");
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fStats.Define(kStatNPreAttMiss, "NPreAttMiss",
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"input bytes missed prior attach");
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}
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//------------------------------------------+-----------------------------------
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//! Destructor
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Rw11UnitStream::~Rw11UnitStream()
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{}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11UnitStream::SetPos(int pos)
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{
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if (!Virt())
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throw Rexception("Rw11UnitStream::SetPos", "no stream attached");
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RerrMsg emsg;
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if (!Virt()->Seek(pos, emsg)) throw Rexception(emsg);
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return;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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int Rw11UnitStream::Pos() const
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{
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if (!Virt())
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throw Rexception("Rw11UnitStream::Pos", "no stream attached");
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RerrMsg emsg;
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int irc = Virt()->Tell(emsg);
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if (irc < 0) throw Rexception(emsg);
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return irc;
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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int Rw11UnitStream::VirtRead(uint8_t* data, size_t count, RerrMsg& emsg)
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{
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if (!Virt()) {
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fStats.Inc(kStatNPreAttMiss);
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emsg.Init("Rw11UnitStream::VirtRead", "no stream attached");
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return -1;
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}
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return Virt()->Read(data, count, emsg);
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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bool Rw11UnitStream::VirtWrite(const uint8_t* data, size_t count, RerrMsg& emsg)
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{
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if (!Virt()) {
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fStats.Inc(kStatNPreAttDrop, double(count));
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emsg.Init("Rw11UnitStream::VirtWrite", "no stream attached");
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return false;
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}
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return Virt()->Write(data, count, emsg);
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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bool Rw11UnitStream::VirtFlush(RerrMsg& emsg)
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{
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if (!Virt()) {
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emsg.Init("Rw11UnitStream::VirtFlush", "no stream attached");
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return false;
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}
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return Virt()->Flush(emsg);
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}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void Rw11UnitStream::Dump(std::ostream& os, int ind, const char* text) const
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{
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RosFill bl(ind);
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os << bl << (text?text:"--") << "Rw11UnitStream @ " << this << endl;
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Rw11UnitVirt<Rw11VirtStream>::Dump(os, ind, " ^");
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return;
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}
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} // end namespace Retro
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