source: code/branches/wiimote/src/external/wiicpp/log/logger.h @ 12095

#ifndef LOGGER_H
#define LOGGER_H

#include <iostream>
#include <fstream>
#include "dataset.h"

namespace WiiC {
        /*
         * LOG_START: open a dataset
         * LOG_STOP: close the dataset
         */
        enum LogStatus {
                WIIC_LOG_START = 0x0,
                WIIC_LOG_STOP = 0x1
        };
}

using namespace std;
using namespace WiiC;

class Logger {
public:
        Logger() : deviceAddr(""), logFile(""), relativeTs(0.0), logEnabled(false), 
                logType(WIIC_LOG_NONE), logStatus(WIIC_LOG_STOP) { }
        Logger(const Logger& logger) : deviceAddr(logger.deviceAddr), logFile(logger.logFile), 
                        startTs(logger.startTs), relativeTs(logger.relativeTs), logEnabled(logger.logEnabled), 
                        logType(logger.logType), logStatus(logger.logStatus) { 
                if(out.is_open()) out.close();
                if(logger.out.is_open()) out.open(logFile.c_str(),ios::app); 
        }
        
        ~Logger() { 
                if(out.is_open()) out.close(); 
        }
        
        Logger& operator=(const Logger& logger) {
                deviceAddr = logger.deviceAddr;
                logFile = logger.logFile;
                logType = logger.logType;
                logStatus = logger.logStatus;
                logEnabled = logger.logEnabled;
                startTs = logger.startTs;
                relativeTs = logger.relativeTs;
                if(out.is_open()) out.close();
                if(logger.out.is_open()) out.open(logFile.c_str(),ios::app); 
                
                return *this;
        }
                
        void InitLog();
        void LogAcc(float x, float y, float z);
        void LogGyro(float x, float y, float z);
        void SaveLogHeader();

        void SetLogLevel(LogStatus status, int type =WIIC_LOG_NONE, const string& file ="");    
        inline int GetLogType() const { return logType; }
        inline string GetLogFilename() const { return logFile; }
        inline void SetLogStatus(const LogStatus status) { logStatus = status; }
        inline bool isLogEnabled() { return logEnabled; }
        
        inline void ResetTimestamp() { gettimeofday(&startTs,0); }
        inline void SetDeviceAddress(const string& addr) { deviceAddr = addr;}

protected:
        bool CheckLogFile();
        
private:
        string deviceAddr;
        
        // Log file info
        string logFile;
        ofstream out;
        
        // Timestamp info
        struct timeval startTs;
        double relativeTs;
        
        // Logging info
        bool logEnabled;
        int logType;
        LogStatus logStatus;
};

#endif