replaced handler thread implementation from direct POSIX thread to

LiveSupport::Core::Thread
This commit is contained in:
maroy 2004-11-25 12:33:22 +00:00
parent 17afe62335
commit a279b355c1
7 changed files with 276 additions and 71 deletions

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@ -21,7 +21,7 @@
#
#
# Author : $Author: maroy $
# Version : $Revision: 1.3 $
# Version : $Revision: 1.4 $
# Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/etc/Makefile.in,v $
#
# @configure_input@
@ -85,6 +85,8 @@ TEST_RUNNER = ${TMP_DIR}/testRunner
DOXYGEN_CONFIG = ${ETC_DIR}/doxygen.config
export LD_LIBRARY_PATH=${USR_LIB_DIR}
#-------------------------------------------------------------------------------
# Configuration parameters
@ -110,18 +112,19 @@ LDFLAGS = @LDFLAGS@ -pthread \
# Dependencies
#-------------------------------------------------------------------------------
PLAYLIST_EXECUTOR_LIB_OBJS = ${TMP_DIR}/HelixPlayer.o \
${TMP_DIR}/HelixEventHandlerThread.o \
${TMP_DIR}/AdviseSink.o \
${TMP_DIR}/AuthenticationManager.o \
${TMP_DIR}/ClientContext.o \
${TMP_DIR}/ErrorSink.o \
${TMP_DIR}/HelixIIDs.o \
${TMP_DIR}/AudioPlayerFactory.o
TEST_RUNNER_OBJS = ${TMP_DIR}/HelixPlayerTest.o \
${TMP_DIR}/AudioPlayerFactoryTest.o \
${TMP_DIR}/TestRunner.o
TEST_RUNNER_OBJS = ${TMP_DIR}/TestRunner.o \
${TMP_DIR}/HelixPlayerTest.o \
${TMP_DIR}/AudioPlayerFactoryTest.o
TEST_RUNNER_LIBS = -l${PLAYLIST_EXECUTOR_LIB} -l${CORE_LIB} \
${HELIX_LIBS} \
-lxml++-1.0 -lcppunit -ldl -lm -lpthread
-lxml++-1.0 -lcppunit -ldl -lm
#-------------------------------------------------------------------------------
@ -152,8 +155,7 @@ distclean: clean docclean
${RMDIR} ${TMP_DIR}/config* ${TMP_DIR}/autom4te*
check: all ${TEST_RUNNER}
LD_LIBRARY_PATH=${USR_LIB_DIR} ${TEST_RUNNER} \
-o ${TEST_RESULTS} -s ${TEST_XSLT}
${TEST_RUNNER} -o ${TEST_RESULTS} -s ${TEST_XSLT}
#-------------------------------------------------------------------------------

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@ -22,7 +22,7 @@
Author : $Author: maroy $
Version : $Revision: 1.1 $
Version : $Revision: 1.2 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/AudioPlayerFactory.cxx,v $
------------------------------------------------------------------------------*/
@ -100,7 +100,6 @@ AudioPlayerFactory :: configure(const xmlpp::Element & element)
dynamic_cast<const xmlpp::Element*> (*(nodes.begin()));
Ptr<HelixPlayer>::Ref hp(new HelixPlayer());
hp->configure(*configElement);
hp->initialize();
audioPlayer = hp;
}

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@ -22,7 +22,7 @@
Author : $Author: maroy $
Version : $Revision: 1.2 $
Version : $Revision: 1.3 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/AudioPlayerFactoryTest.cxx,v $
------------------------------------------------------------------------------*/
@ -85,6 +85,11 @@ AudioPlayerFactoryTest :: setUp(void) throw ()
audioPlayerFactory = AudioPlayerFactory::getInstance();
audioPlayerFactory->configure(*root);
// initialize the audio player configured by the factory
Ptr<AudioPlayerInterface>::Ref audioPlayer;
audioPlayer = audioPlayerFactory->getAudioPlayer();
audioPlayer->initialize();
} catch (std::invalid_argument &e) {
std::cerr << "semantic error in configuration file" << std::endl;
} catch (xmlpp::exception &e) {
@ -99,6 +104,17 @@ AudioPlayerFactoryTest :: setUp(void) throw ()
void
AudioPlayerFactoryTest :: tearDown(void) throw ()
{
try {
Ptr<AudioPlayerFactory>::Ref audioPlayerFactory;
audioPlayerFactory = AudioPlayerFactory::getInstance();
// de-initialize the audio player configured by the factory
Ptr<AudioPlayerInterface>::Ref audioPlayer;
audioPlayer = audioPlayerFactory->getAudioPlayer();
audioPlayer->deInitialize();
} catch (xmlpp::exception &e) {
std::cerr << e.what() << std::endl;
}
}

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@ -0,0 +1,84 @@
/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport 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.
LiveSupport 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 LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: maroy $
Version : $Revision: 1.1 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/HelixEventHandlerThread.cxx,v $
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include "LiveSupport/Core/TimeConversion.h"
#include "HelixEventHandlerThread.h"
using namespace LiveSupport::Core;
using namespace LiveSupport::PlaylistExecutor;
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Constructor.
*----------------------------------------------------------------------------*/
HelixEventHandlerThread :: HelixEventHandlerThread(
IHXClientEngine * clientEngine,
Ptr<time_duration>::Ref granularity)
throw ()
{
this->clientEngine = clientEngine;
this->granularity = granularity;
this->shouldRun = false;
}
/*------------------------------------------------------------------------------
* The main execution body of the thread.
*----------------------------------------------------------------------------*/
void
HelixEventHandlerThread :: run(void) throw ()
{
shouldRun = true;
while (shouldRun) {
struct _HXxEvent * event = 0;
clientEngine->EventOccurred(event);
TimeConversion::sleep(granularity);
}
}

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@ -0,0 +1,146 @@
/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport 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.
LiveSupport 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 LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: maroy $
Version : $Revision: 1.1 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/HelixEventHandlerThread.h,v $
------------------------------------------------------------------------------*/
#ifndef HelixEventHandlerThread_h
#define HelixEventHandlerThread_h
#ifndef __cplusplus
#error This is a C++ include file
#endif
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include <boost/date_time/posix_time/posix_time.hpp>
#include "LiveSupport/Core/RunnableInterface.h"
#include "HelixPlayer.h"
namespace LiveSupport {
namespace PlaylistExecutor {
using namespace boost::posix_time;
using namespace LiveSupport::Core;
/* ================================================================ constants */
/* =================================================================== macros */
/* =============================================================== data types */
/**
* A thread that checks on Helix events every once in a while.
*
* @author $Author: maroy $
* @version $Revision: 1.1 $
*/
class HelixEventHandlerThread : public virtual RunnableInterface
{
private:
/**
* The Helix client engine to check.
*/
IHXClientEngine * clientEngine;
/**
* The granularity of the thread: the time it will sleep
* between checking up on the state of things.
*/
Ptr<time_duration>::Ref granularity;
/**
* Flag indicating whether the thread should still run, or
* actually terminate.
*/
bool shouldRun;
/**
* Default constructor.
*/
HelixEventHandlerThread(void) throw ()
{
}
public:
/**
* Constructor.
*
* @param clientEngine the Helix client engine to check.
* @param granularity the granularity of the thread: the time the
* thread will sleep between checking up on things.
*/
HelixEventHandlerThread(IHXClientEngine * clientEngine,
Ptr<time_duration>::Ref granularity)
throw ();
/**
* A virtual destructor, as this class has virtual functions.
*/
virtual
~HelixEventHandlerThread(void) throw ()
{
}
/**
* The main execution loop for the thread.
*/
virtual void
run(void) throw ();
/**
* Signal the thread to stop, gracefully.
*/
virtual void
stop(void) throw ()
{
shouldRun = false;
}
};
/* ================================================= external data structures */
/* ====================================================== function prototypes */
} // namespace PlaylistExecutor
} // namespace LiveSupport
#endif // HelixEventHandlerThread_h

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@ -22,7 +22,7 @@
Author : $Author: maroy $
Version : $Revision: 1.4 $
Version : $Revision: 1.5 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/HelixPlayer.cxx,v $
------------------------------------------------------------------------------*/
@ -36,6 +36,7 @@
#include "HelixDefs.h"
#include "LiveSupport/Core/TimeConversion.h"
#include "HelixEventHandlerThread.h"
#include "HelixPlayer.h"
@ -77,25 +78,6 @@ static const std::string clntcoreName = "/clntcore.so";
/* =============================================== local function prototypes */
/*------------------------------------------------------------------------------
* The main thread function for handling Helix events.
*----------------------------------------------------------------------------*/
void *
LiveSupport::PlaylistExecutor::eventHandlerThread(void * helixPlayer)
throw ()
{
HelixPlayer * hPlayer = (HelixPlayer *) helixPlayer;
Ptr<time_duration>::Ref sleepT(new time_duration(microseconds(10)));
while (hPlayer->handleEvents) {
struct _HXxEvent * event = 0;
hPlayer->clientEngine->EventOccurred(event);
TimeConversion::sleep(sleepT);
}
return 0;
}
/* ============================================================= module code */
@ -202,15 +184,12 @@ HelixPlayer :: initialize(void) throw (std::exception)
}
// start the event handling thread
handleEvents = true;
int ret;
if ((ret = pthread_create(&eventHandlingThread,
NULL,
eventHandlerThread,
(void *) this))) {
// TODO: signal return code
throw std::exception();
}
Ptr<time_duration>::Ref granurality(new time_duration(microseconds(10)));
Ptr<RunnableInterface>::Ref handler(new HelixEventHandlerThread(
clientEngine,
granurality));
eventHandlerThread.reset(new Thread(handler));
eventHandlerThread->start();
// set up other variables
playing = false;
@ -226,8 +205,8 @@ HelixPlayer :: deInitialize(void) throw ()
{
if (initialized) {
// signal stop to and wait for the event handling thread to stop
handleEvents = false;
pthread_join(eventHandlingThread, 0);
eventHandlerThread->stop();
eventHandlerThread->join();
// release Helix resources
clientContext->Release();

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@ -22,7 +22,7 @@
Author : $Author: maroy $
Version : $Revision: 1.3 $
Version : $Revision: 1.4 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/playlistExecutor/src/Attic/HelixPlayer.h,v $
------------------------------------------------------------------------------*/
@ -41,12 +41,11 @@
#endif
#include <pthread.h>
#include <dllacces.h>
#include <dllpath.h>
#include "LiveSupport/Core/Configurable.h"
#include "LiveSupport/Core/Thread.h"
#include "LiveSupport/PlaylistExecutor/AudioPlayerInterface.h"
#include "AdviseSink.h"
@ -90,13 +89,11 @@ using namespace LiveSupport::Core;
* </pre></code>
*
* @author $Author: maroy $
* @version $Revision: 1.3 $
* @version $Revision: 1.4 $
*/
class HelixPlayer : virtual public Configurable,
virtual public AudioPlayerInterface
{
friend void * eventHandlerThread(void *) throw();
private:
/**
* The name of the configuration XML elmenent used by HelixPlayer
@ -143,24 +140,11 @@ class HelixPlayer : virtual public Configurable,
*/
std::string url;
/**
* The event handling thread.
*/
pthread_t eventHandlingThread;
/**
* Flag to indicate if this object has been initialized.
*/
bool initialized;
/**
* Flag to mark if the event handling thread should be running
* and handling events.
* This is set by the HelixPlayer object, and read by the thread
* to determine when to stop.
*/
bool handleEvents;
/**
* Flag to indicate if the player is currently playing.
* Make sure no to rely on this flag, as it's not aware of
@ -169,6 +153,12 @@ class HelixPlayer : virtual public Configurable,
*/
bool playing;
/**
* A thread for handling helix events, on a regular basis.
* Helix apperantly needs to be polled all the time to function.
*/
Ptr<Thread>::Ref eventHandlerThread;
public:
/**
@ -284,17 +274,6 @@ class HelixPlayer : virtual public Configurable,
/* ====================================================== function prototypes */
/**
* The main function of the thread that calls for handling of events
* in the createEngine all the time.
*
* @param helixPlayer a pointer to the HelixPlayer object that started
* this thread.
* @return always 0
*/
void *
eventHandlerThread(void * helixPlayer) throw ();
} // namespace PlaylistExecutor
} // namespace LiveSupport