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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include <fstream>
#include "itkStdStreamLogOutput.h"
#include "itkLoggerManager.h"
class LogTester
{
public:
LogTester(){ this->m_Logger = ITK_NULLPTR; }
itk::Logger* GetLogger() { return m_Logger; }
void SetLogger(itk::Logger* 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::Logger* m_Logger;
};
int itkLoggerManagerTest( int argc, char *argv [] )
{
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 Loggers using itk::LoggerManager
itk::LoggerManager::Pointer manager = itk::LoggerManager::New();
itk::Logger::Pointer logger = manager->CreateLogger( "org.itk.logTester.logger",
itk::LoggerBase::DEBUG, itk::LoggerBase::CRITICAL );
itk::ThreadLogger::Pointer t_logger = manager->CreateThreadLogger( "org.itk.ThreadLogger",
itk::LoggerBase::WARNING, itk::LoggerBase::CRITICAL );
std::cout << "Testing itk::LoggerManager" << std::endl;
std::cout << " Adding console and file stream LogOutputs" << std::endl;
manager->AddLogOutput(coutput);
t_logger->AddLogOutput(foutput);
// 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
manager->Write(itk::LoggerBase::DEBUG, "This is the DEBUG message.\n");
std::cout << " Message #1" << std::endl;
manager->Write(itk::LoggerBase::INFO, "This is the INFO message.\n");
manager->Write(itk::LoggerBase::WARNING, "This is the WARNING message.\n");
std::cout << " Message #2" << std::endl;
manager->Write(itk::LoggerBase::CRITICAL, "This is the CRITICAL message.\n");
manager->Write(itk::Logger::FATAL, "This is the FATAL message.\n");
manager->Write(itk::LoggerBase::MUSTFLUSH, "This is the MUSTFLUSH message.\n");
std::cout << " Message #3" << std::endl;
itk::Logger* pLogger;
pLogger = manager->GetLogger("org.itk.logTester.logger");
if( pLogger == ITK_NULLPTR )
{
throw "LoggerManager::GetLogger() failed";
}
pLogger->Write(itk::LoggerBase::INFO, "This is the message from the logger got from a LoggerManager");
if( manager->GetLogger("abc") != ITK_NULLPTR )
{
throw "LoggerManager::GetLogger() must return ITK_NULLPTR";
}
manager->Flush();
}
catch(const char * errmsg)
{
std::cerr << "Exception catched !! : " << errmsg << std::endl;
return EXIT_FAILURE;
}
std::cout << "[PASSED]" << std::endl;
return EXIT_SUCCESS;
}
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