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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkLoggerThreadWrapperTest.cxx,v $
Language: C++
Date: $Date: 2005-11-09 15:10:09 $
Version: $Revision: 1.2 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
//Warning about: identifier was truncated to '255' characters in the debug information (MVC6.0 Debug)
#pragma warning( disable : 4786 )
#endif
#if ! defined(_MSC_VER) //NOTE: This class does not work under MSVS6
#include "itkLoggerThreadWrapper.h"
#include <iostream>
#include <fstream>
#include "itkStdStreamLogOutput.h"
#include "itkLoggerBase.h"
/** \class SimpleLogger
* \brief Class SimpleLogger is meant to demonstrate how to change the formatting of the LoggerBase mechanism
* and how to define a threaded logger that works with this.
*
* \author Hans J. Johnson, The University of Iowa
* \ingroup OSSystemObjects LoggingObjects
*/
class SimpleLogger : public itk::LoggerBase
{
public:
typedef SimpleLogger Self;
typedef itk::LoggerBase Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro( SimpleLogger, Object );
/** New macro for creation of through a Smart Pointer */
itkNewMacro( Self );
virtual std::string BuildFormattedEntry(PriorityLevelType level, std::string const & content)
{
return std::string("<H1>") + content + std::string("</H1>");
}
protected:
/** Constructor */
SimpleLogger() {};
/** Destructor */
virtual ~SimpleLogger() {};
}; // class Logger
class LogTester
{
public:
itk::LoggerBase* GetLogger() { return m_Logger; }
void SetLogger(itk::LoggerBase* logger) { m_Logger = logger; }
void log() {
itkLogMacro( DEBUG, "DEBUG message by itkLogMacro\n" );
itkLogMacro( INFO, "INFO message by itkLogMacro\n" );
itkLogMacro( WARNING, "WARNING message by itkLogMacro\n" );
itkLogMacro( CRITICAL, "CRITICAL message by itkLogMacro\n" );
itkLogMacro( FATAL, "FATAL message by itkLogMacro\n" );
itkLogMacro( MUSTFLUSH, "MUSTFLUSH message by itkLogMacro\n" );
}
static void logStatic(LogTester* tester)
{
itkLogMacroStatic( tester, DEBUG, "DEBUG message by itkLogMacroStatic\n" );
itkLogMacroStatic( tester, INFO, "INFO message by itkLogMacroStatic\n" );
itkLogMacroStatic( tester, WARNING, "WARNING message by itkLogMacroStatic\n" );
itkLogMacroStatic( tester, CRITICAL, "CRITICAL message by itkLogMacroStatic\n" );
itkLogMacroStatic( tester, FATAL, "FATAL message by itkLogMacroStatic\n" );
itkLogMacroStatic( tester, MUSTFLUSH, "MUSTFLUSH message by itkLogMacroStatic\n" );
}
private:
itk::LoggerBase* m_Logger;
};
#endif// ! defined(_MSC_VER) //NOTE: This class does not work under MSVS6
int itkLoggerThreadWrapperTest( int argc, char * argv[] )
{
#if ! defined(_MSC_VER) //NOTE: This class does not work under MSVS6
try
{
if (argc < 2)
{
std::cout << "Usage: " << argv[0] << " logFilename" << std::endl;
return EXIT_FAILURE;
}
// Create an ITK StdStreamLogOutputs
itk::StdStreamLogOutput::Pointer coutput = itk::StdStreamLogOutput::New();
itk::StdStreamLogOutput::Pointer foutput = itk::StdStreamLogOutput::New();
coutput->SetStream(std::cout);
std::ofstream fout(argv[1]);
foutput->SetStream(fout);
// Create an ITK ThreadLogger
itk::LoggerThreadWrapper<SimpleLogger>::Pointer logger = itk::LoggerThreadWrapper<SimpleLogger>::New();
std::cout << "Testing itk::ThreadLogger" << std::endl;
// Setting the logger
logger->SetName("org.itk.threadLogger");
logger->SetPriorityLevel(itk::LoggerBase::INFO);
logger->SetLevelForFlushing(itk::LoggerBase::CRITICAL);
std::cout << " Adding console and file stream LogOutputs" << std::endl;
logger->AddLogOutput(coutput);
logger->AddLogOutput(foutput);
// Printing the logger's member variables
std::cout << " Name: " << logger->GetName() << std::endl;
std::cout << " Priority Level: " << logger->GetPriorityLevel() << std::endl;
std::cout << " Level For Flushing: " << logger->GetLevelForFlushing() << std::endl;
// Logging by the itkLogMacro from a class with itk::ThreadLogger
LogTester tester;
tester.SetLogger(logger);
tester.log();
// Logging by the itkLogMacroStatic from a class with itk::ThreadLogger
LogTester::logStatic(&tester);
std::cout << " The printed order of 'Messages ##' below might not be predictable because of multi-threaded logging" << std::endl;
std::cout << " But the logged messages will be in order." << std::endl;
std::cout << " Each line is an atom for synchronization." << std::endl;
// Writing by the logger
logger->Write(itk::LoggerBase::DEBUG, "This is the DEBUG message.\n");
std::cout << " Message #1" << std::endl;
logger->Write(itk::LoggerBase::INFO, "This is the INFO message.\n");
logger->Write(itk::LoggerBase::WARNING, "This is the WARNING message.\n");
std::cout << " Message #2" << std::endl;
logger->Write(itk::LoggerBase::CRITICAL, "This is the CRITICAL message.\n");
logger->Write(itk::LoggerBase::FATAL, "This is the FATAL message.\n");
logger->Write(itk::LoggerBase::MUSTFLUSH, "This is the MUSTFLUSH message.\n");
std::cout << " Message #3" << std::endl;
logger->Flush();
std::cout << " Flushing by the ThreadLogger is synchronized." << std::endl;
}
catch(...)
{
std::cerr << "Exception catched !!" << std::endl;
return EXIT_FAILURE;
}
std::cout << "[PASSED]" << std::endl;
#endif //! defined(_MSC_VER) //NOTE: This class does not work under MSVS6
return EXIT_SUCCESS;
}
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