--- /dev/null
+// $Id$
+//
+// Copyright (C) 2008
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+// Stefan Bund <g0dil@berlios.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+/** \file
+ \brief TimerEvent unit tests */
+
+//#include "TimerEvent.test.hh"
+//#include "TimerEvent.test.ih"
+
+// Custom includes
+#include "TimerEvent.hh"
+#include "Scheduler.hh"
+#include <boost/bind.hpp>
+
+#include "../Utils//auto_unit_test.hh"
+#include <boost/test/test_tools.hpp>
+#include <boost/random.hpp>
+
+#define prefix_
+///////////////////////////////cc.p////////////////////////////////////////
+
+namespace {
+
+ bool is_close(senf::ClockService::clock_type a, senf::ClockService::clock_type b)
+ {
+ return (a<b ? b-a : a-b) < senf::ClockService::milliseconds(100);
+ }
+
+ bool called = false;
+ void handler()
+ {
+ called = true;
+ }
+
+}
+
+BOOST_AUTO_UNIT_TEST(timerDispatcher)
+{
+ senf::scheduler::detail::FdManager::instance().timeout(1000);
+
+ senf::ClockService::clock_type t (senf::ClockService::now());
+ {
+ senf::scheduler::TimerEvent timer ("testTimer", &handler,
+ t + senf::ClockService::milliseconds(500));
+ SENF_CHECK_NO_THROW( timer.disable() );
+ SENF_CHECK_NO_THROW( timer.enable() );
+ BOOST_CHECK( timer.enabled() );
+ SENF_CHECK_NO_THROW( senf::scheduler::process() );
+ senf::ClockService::clock_type t2 (senf::ClockService::now());
+ BOOST_CHECK( called );
+ BOOST_CHECK( ! timer.enabled() );
+ BOOST_CHECK_PREDICATE( is_close, (t2-t)(senf::ClockService::milliseconds(500)) );
+
+ called=false;
+ t = senf::ClockService::now();
+ SENF_CHECK_NO_THROW( timer.timeout(t) );
+ BOOST_CHECK( timer.enabled() );
+ SENF_CHECK_NO_THROW( senf::scheduler::detail::TimerDispatcher::instance().enable() );
+ SENF_CHECK_NO_THROW( senf::scheduler::detail::TimerDispatcher::instance().reschedule() );
+ SENF_CHECK_NO_THROW( senf::scheduler::detail::FdManager::instance().processOnce() );
+ SENF_CHECK_NO_THROW( senf::scheduler::detail::TimerDispatcher::instance().prepareRun() );
+ SENF_CHECK_NO_THROW( senf::scheduler::detail::FIFORunner::instance().run() );
+ SENF_CHECK_NO_THROW( senf::scheduler::detail::TimerDispatcher::instance().disable() );
+ BOOST_CHECK_PREDICATE( is_close, (t) (senf::ClockService::now()) );
+ BOOST_CHECK( called );
+ }
+}
+
+namespace {
+
+ senf::ClockService::clock_type randomDelay()
+ {
+ static boost::uniform_smallint<> random (100,300);
+ static boost::mt19937 generator;
+ return senf::scheduler::now() + senf::ClockService::milliseconds(random(generator));
+ }
+
+ unsigned count (0);
+ senf::ClockService::clock_type delay (0);
+ bool haveCb (false);
+
+ void jitterCb(senf::scheduler::TimerEvent & tm)
+ {
+ //std::cerr << "diff:" << senf::ClockService::in_microseconds( senf::scheduler::now() - tm.timeout()) << '\n';
+ count ++;
+ delay += senf::ClockService::in_microseconds( senf::scheduler::now() - tm.timeout());
+ haveCb = true;
+ tm.timeout(randomDelay());
+ }
+
+ void preCb()
+ {
+ haveCb = false;
+ }
+
+ void postCb()
+ {
+ if (! haveCb)
+ std::cerr << senf::scheduler::now() << '\n';
+ }
+
+ void idleCb(senf::scheduler::TimerEvent & tm)
+ {
+ tm.timeout( senf::scheduler::now());
+ }
+
+ void jitterTest()
+ {
+ count = 0;
+ delay = 0;
+// senf::scheduler::EventHook pre ("jitterTest::preCb", &preCb,
+// senf::scheduler::EventHook::PRE);
+// senf::scheduler::EventHook post ("jitterTest::postCb", &postCb,
+// senf::scheduler::EventHook::POST);
+
+ senf::scheduler::TimerEvent tm1 (
+ "jitterTest::tm1", boost::bind(&jitterCb, boost::ref(tm1)), randomDelay());
+ senf::scheduler::TimerEvent tm2 (
+ "jitterTest::tm2", boost::bind(&jitterCb, boost::ref(tm2)), randomDelay());
+ senf::scheduler::TimerEvent tm3 (
+ "jitterTest::tm3", boost::bind(&jitterCb, boost::ref(tm3)), randomDelay());
+
+ // enabled "Idle"-Event will degrade scheduling delay
+ //senf::scheduler::TimerEvent idle (
+ // "jitterTest::idle", boost::bind(&idleCb, boost::ref(idle)), senf::scheduler::now());
+
+ senf::scheduler::TimerEvent timeout("jitterTest::timeout", &senf::scheduler::terminate,
+ senf::scheduler::now() + senf::ClockService::seconds(5));
+
+ senf::scheduler::process();
+
+ std::cerr << "Average scheduling delay: " << delay/count << " microseconds\n";
+ }
+
+}
+
+BOOST_AUTO_UNIT_TEST(timerJitter)
+{
+ senf::scheduler::watchdogTimeout(0);
+ std::cerr << "Epoll timers\n";
+ senf::scheduler::loresTimers();
+ jitterTest();
+ std::cerr << "Hires timers\n";
+ senf::scheduler::hiresTimers();
+ jitterTest();
+ senf::scheduler::loresTimers();
+ senf::scheduler::watchdogTimeout(1000);
+}
+
+///////////////////////////////cc.e////////////////////////////////////////
+#undef prefix_
+
+\f
+// Local Variables:
+// mode: c++
+// fill-column: 100
+// comment-column: 40
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// End:
projects / senf.git / blobdiff