log_streams.cpp

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/*****************************************************************************
** Includes
*****************************************************************************/
 
#include <iostream>
#include <string>
#include <ecl/threads/thread.hpp>
#include <ecl/streams/log_stream.hpp>
 
/*****************************************************************************
** Using
*****************************************************************************/
 
using std::string;
using ecl::New;
using ecl::LogStream;
using ecl::Thread;
 
/*****************************************************************************
** Namespaces
*****************************************************************************/
 
namespace ecl {
namespace demos {
 
/*****************************************************************************
** Enums
*****************************************************************************/
 
enum LogModes {
    Warning,
    Error,
    Debug,
};
 
void enableModes( LogStream &log_stream ) {
        log_stream.enableHeader();
        log_stream.enableTimeStamp();
        log_stream.enableMode(Warning,"WARNING");
        log_stream.enableMode(Error,"ERROR");
        log_stream.enableMode(Debug,"DEBUG");
}
 
void f() {
    LogStream logstream("test.log",New);
    enableModes(logstream);
    LOG(logstream,Debug) << "Debug message from a threaded function.\n";
    FLUSH(logstream);
}
 
} // namespace demos
} // namespace ecl
 
/*****************************************************************************
** Using
*****************************************************************************/
 
using namespace ecl::demos;
 
/*****************************************************************************
** Main
*****************************************************************************/
 
int main(int argc, char** argv) {
 
    std::cout << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << "                      LogStream" << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << std::endl;
 
    std::cout << "This program will log from main and a parallel thread" << std::endl;
    std::cout << "to a shared log file call 'test.log'." << std::endl;
 
    LogStream logstream("test.log",New);
    enableModes(logstream);
    Thread thread(f);
    LOG(logstream,Debug) << "Debug message from main.\n";
    FLUSH(logstream);
    thread.join();
 
    std::cout << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << "                      Passed" << std::endl;
    std::cout << "***********************************************************" << std::endl;
    std::cout << std::endl;
 
        return 0;
}