vcs.maemo.org Git - situare/blob - src/logger.h

   1 #ifndef LOGGER_H
   2 #define LOGGER_H
   3
   4 #include <QDebug>
   5 #include <QTime>
   6 #include <QSettings>
   7 #include "common.h"
   8
   9 namespace Situare
  10 {
  11     class Logger
  12     {
  13     public:
  14
  15     public:
  16         Logger(QtMsgType level, const char* msg) :
  17                 level(level),
  18                 msg(msg)
  19         {
  20             if (matchLogLevel(level)) {
  21                 time.start();
  22                 QDebug(QtDebugMsg) << msg << "enter";
  23             }
  24         }
  25         ~Logger()
  26         {
  27             if (matchLogLevel(level)) {
  28                 QDebug(level) << msg << "exit, elapsed:" << time.elapsed() << "ms";
  29             }
  30         }
  31
  32         /** Test if given logging level matches with application logging level
  33           * Application logging level exists as "LogLevel" entry in Situare.conf
  34           * Valid values:
  35           * QtDebugMsg -> 0
  36           * QtWarningMsg -> 1
  37           * QtCriticalMsg -> 2
  38           * QtFatalMsg -> 3
  39           * QtSystemMsg -> QtCriticalMsg -> 2
  40           * @see QtMsgType
  41           */
  42         static bool matchLogLevel(QtMsgType level)
  43         {
  44             static const QSettings settings(SETTINGS_ORGANIZATION_NAME, SETTINGS_APPLICATION_NAME);
  45             static QtMsgType LOG_LEVEL = static_cast<QtMsgType>(settings.value("LogLevel", (int)QtSystemMsg).toInt());
  46             return LOG_LEVEL <= level;
  47         }
  48
  49     private:
  50         QTime time;
  51         QtMsgType level;
  52         const char* msg;
  53     };
  54 }
  55
  56 /** @brief Log function time
  57   */
  58 #define DEBUG_FUNCTION_TIME Situare::Logger function_time_logger(QtDebugMsg, __PRETTY_FUNCTION__)
  59
  60 #endif // LOGGER_H