Log.h

Go to the documentation of this file.

#ifndef SEABREEZE_LOG_H
#define SEABREEZE_LOG_H

#include "api/DllDecl.h"

#include <string>
#include <stack>
#include <stdio.h>
#include <stdarg.h>

#ifdef OOI_DEBUG
    #define OOI_LOG_PRINT 1
#else
    #define OOI_LOG_PRINT 0
#endif

#ifdef __cplusplus

#define LOG(s) Log logger(s);

#define LOG_DEBUG(s) do { if (OOI_LOG_PRINT) logger.debug s; } while (0)

#define LOG_INFO(s)  do { if (OOI_LOG_PRINT) logger.info  s; } while (0)

#define LOG_WARN(s)  do { if (OOI_LOG_PRINT) logger.warn  s; } while (0)

#define LOG_ERROR(s) do { if (OOI_LOG_PRINT) logger.error s; } while (0)

#define OOI_LOG_LEVEL_NEVER 0
#define OOI_LOG_LEVEL_ERROR 1
#define OOI_LOG_LEVEL_WARN  2
#define OOI_LOG_LEVEL_INFO  3
#define OOI_LOG_LEVEL_DEBUG 4
#define OOI_LOG_LEVEL_TRACE 5

class DLL_DECL Log
{
    public:
        Log(const char *s);
       ~Log();

        // public class methods
        static void setLogLevel(int lvl);
        static void setLogLevel(const std::string& s);
        static void setLogFile(void *f);

        // public instance methods
        void debug(const char *fmt, ...);
        void info (const char *fmt, ...);
        void warn (const char *fmt, ...);
        void error(const char *fmt, ...);

        // these must be public for C interface to work
        static unsigned logLevel;
        void formatAndSend(int lvl, const char *lvlName,
            const char *separator, const char *fmt, va_list args);

    private:
        // private class attributes
        static FILE *logFile;
        static std::stack<std::string>* callstack;

        // private instance methods
        void trace(const char *fmt, ...);
};

extern "C" {
#endif /* __cplusplus */

// We need the flattened C interface if we want to call from Cygwin (mainly
// to set log level)...see http://cygwin.com/ml/cygwin/2006-04/msg00251.html
void DLL_DECL seabreeze_log_set_level_int(int lvl);
void DLL_DECL seabreeze_log_set_level_string(const char *s);
void DLL_DECL seabreeze_log_debug(const char *fmt, ...);
void DLL_DECL seabreeze_log_info (const char *fmt, ...);
void DLL_DECL seabreeze_log_warn (const char *fmt, ...);
void DLL_DECL seabreeze_log_error(const char *fmt, ...);

#ifdef __cplusplus
};

#endif /* __cplusplus */
#endif