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94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
// $Id: RlinkServerEventLoop.cpp 662 2015-04-05 08:02:54Z mueller $
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//
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// Copyright 2013-2015 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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// 2015-04-04 662 1.2 BUGFIX: fix race in Stop(), use StopPending()
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// 2013-03-05 495 1.1.1 add exception catcher to EventLoop
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// 2013-02-22 491 1.1 use new RlogFile/RlogMsg interfaces
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// 2013-01-12 474 1.0 Initial Version
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// ---------------------------------------------------------------------------
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/*!
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\file
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\version $Id: RlinkServerEventLoop.cpp 662 2015-04-05 08:02:54Z mueller $
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\brief Implemenation of RlinkServerEventLoop.
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*/
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#include <errno.h>
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#include "RlinkServer.hpp"
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#include "librtools/RlogMsg.hpp"
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#include "RlinkServerEventLoop.hpp"
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using namespace std;
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/*!
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\class Retro::RlinkServerEventLoop
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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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//! Default constructor
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RlinkServerEventLoop::RlinkServerEventLoop(RlinkServer* pserv)
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: fpServer(pserv)
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{}
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//------------------------------------------+-----------------------------------
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//! Destructor
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RlinkServerEventLoop::~RlinkServerEventLoop()
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{}
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//------------------------------------------+-----------------------------------
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//! FIXME_docs
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void RlinkServerEventLoop::EventLoop()
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{
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fUpdatePoll = true;
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if (fspLog && fTraceLevel>0) fspLog->Write("eloop: starting", 'I');
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try {
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while (!StopPending()) {
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int timeout = (fpServer->AttnPending() ||
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fpServer->ActnPending()) ? 0 : -1;
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int irc = DoPoll(timeout);
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fpServer->fStats.Inc(timeout<0 ? RlinkServer::kStatNEloopWait :
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RlinkServer::kStatNEloopPoll);
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if (fPollFd.size() == 0) break;
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if (irc > 0) DoCall();
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if (fpServer->AttnPending()) fpServer->CallAttnHandler();
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if (fpServer->ActnPending()) fpServer->CallActnHandler();
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}
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} catch (exception& e) {
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if (fspLog) {
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RlogMsg lmsg(*fspLog, 'F');
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lmsg << "eloop: crashed with exception: " << e.what();
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}
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return;
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}
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if (fspLog && fTraceLevel>0) fspLog->Write("eloop: stopped", 'I');
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return;
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}
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} // end namespace Retro
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