testLoggerConcurrency.cpp

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/*
Copyright 2007, 2008, 2009, 2010, 2011 Instituto de Sistemas e Robotica, Instituto Superior Tecnico

This file is part of MeRMaID.

MeRMaID is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

MeRMaID 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with MeRMaID.  If not, see <http://www.gnu.org/licenses/>.
*/



/**
 * @Filename testLoggerConcurrency.cpp
 * @Description Tests for the multithreaded logging framework.
 * @Status Finished
 * @Version $Id: testLoggerConcurrency.cpp 1 2011-03-04 18:13:18Z jreis $
 * @Maintainer Joao Reis (joaocgreis@gmail.com)
 */

#include "config.h"

#include "ace/Thread.h"
#include <ace/Trace.h>



#include "Logger.hpp"

using namespace std;
using namespace mermaid::support::logging;
using boost::shared_ptr;

/** The concurrently accessed logger */
shared_ptr<Logger> logger;

/**
 * @Description This thread will disable and enable the output.
 * @Author Joao Reis
 */
static void* outputFlicker (void* arg);

/**
 * @Description This thread will disable and enable the prefix.
 * @Author Joao Reis
 */
static void* prefixFlicker (void* arg);

/**
 * @Description This thread log a lot of messages.
 * @Author Joao Reis
 */
static void* repeatLogger (void* arg);

/**
 * @Description Logger tests entry point.
 * @Author Joao Reis
 */
int main()
{
  ACE_Trace::stop_tracing();
  
  logger = ThreadSafeLogger::build();
  logger->enableAllLogLevels (TerminalOutput::build());
  
  ACE_thread_t *threadID = new ACE_thread_t[12];
  ACE_hthread_t *threadHandles = new ACE_hthread_t[12];
  
  ACE_Thread::spawn_n (threadID, //id's for each of the threads
                       4,            //number of threads to spawn
                       (ACE_THR_FUNC) repeatLogger, //entry point for new thread
                       0,                   //args to worker
                       THR_JOINABLE | THR_NEW_LWP, //flags
                       ACE_DEFAULT_THREAD_PRIORITY,
                       0, 0, threadHandles);
                       
  ACE_Thread::spawn_n (threadID + 4, //id's for each of the threads
                       4,            //number of threads to spawn
                       (ACE_THR_FUNC) outputFlicker, //entry point for new thread
                       0,                   //args to worker
                       THR_JOINABLE | THR_NEW_LWP, //flags
                       ACE_DEFAULT_THREAD_PRIORITY,
                       0, 0, threadHandles + 4);
                       
  ACE_Thread::spawn_n (threadID + 8, //id's for each of the threads
                       4,            //number of threads to spawn
                       (ACE_THR_FUNC) prefixFlicker, //entry point for new thread
                       0,                   //args to worker
                       THR_JOINABLE | THR_NEW_LWP, //flags
                       ACE_DEFAULT_THREAD_PRIORITY,
                       0, 0, threadHandles + 8);
                       
                       
                       
#if 0
  ACE_Thread::spawn ( (ACE_THR_FUNC) repeatLogger);
  ACE_Thread::spawn ( (ACE_THR_FUNC) repeatLogger);
  ACE_Thread::spawn ( (ACE_THR_FUNC) repeatLogger);
  ACE_Thread::spawn ( (ACE_THR_FUNC) repeatLogger);
  ACE_Thread::spawn ( (ACE_THR_FUNC) outputFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) outputFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) outputFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) outputFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) prefixFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) prefixFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) prefixFlicker);
  ACE_Thread::spawn ( (ACE_THR_FUNC) prefixFlicker);
#endif
  
  repeatLogger (0);
  
  for (int i = 0; i < 12; i++)
    ACE_Thread::join (threadHandles[i]);
    
  return 0;
}

static void* outputFlicker (void* arg)
{
  for (int i = 0; i < 1000; i++) {
    logger->disableAllLogLevels();
    LSTEP (logger, "This is " << i);
    logger->enableAllLogLevels (TerminalOutput::build());
    LSTEP (logger, "This is " << i);
  }
  return 0;
}

static void* prefixFlicker (void* arg)
{
  for (int i = 0; i < 1000; i++) {
    logger->setPrefix ("PREFIX");
    LSTEP (logger, "This is " << i);
    logger->setPrefix ("");
    LSTEP (logger, "This is " << i);
  }
  return 0;
}

static void* repeatLogger (void* arg)
{
  for (int i = 0; i < 1000; i++) {
    LSTEP (logger, "This is " << i);
  }
  return 0;
}