include/Debug.h

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by www.databasecache.com                           *
   3  *   Contact: praba_tuty@databasecache.com                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15   ***************************************************************************/
  16 #ifndef DEBUG_H
  17 #define DEBUG_H
  18 #include<ErrorType.h>
  19 #define DEBUG 1
  20 extern int DebugDM_Alloc;
  21 extern int DebugDM_VarAlloc;
  22 extern int DebugDM_Lock;
  23 extern int DebugDM_Transaction;
  24 extern int DebugDM_UndoLog;
  25 extern int DebugDM_RedoLog;
  26 extern int DebugDM_Index;
  27 extern int DebugDM_HashIndex;
  28 extern int DebugDM_SystemDatabase;
  29 extern int DebugDM_Database;
  30 extern int DebugDM_Table;
  31 extern int DebugDM_Predicate;
  32 extern int DebugDM_Iterator;
  33 extern int DebugDM_Process;
  34 extern int DebugDM_Network;
  35 extern int DebugDM_Gateway;
  36 extern int DebugDM_Adapter;
  37 extern int DebugDM_SqlLog;
  38
  39
  40 extern int printError1(DbRetVal val, char* fname, int lno, char *format, ...);
  41
  42 #define printError(a, ...) printError1(a, __FILE__, __LINE__, __VA_ARGS__)
  43
  44 enum DebugModule
  45 {
  46     DM_Alloc = 0,
  47     DM_VarAlloc,
  48     DM_Lock,
  49     DM_Transaction,
  50     DM_UndoLog,
  51     DM_RedoLog,
  52     DM_Index,
  53     DM_HashIndex,
  54     DM_SystemDatabase,
  55     DM_Database,
  56     DM_Table,
  57     DM_Predicate,
  58     DM_Iterator,
  59     DM_Process,
  60     DM_Network,
  61     DM_Gateway,
  62     DM_Adapter,
  63     DM_SqlLog
  64 };
  65 static char moduleNames[][20] =
  66 {
  67     "Alloc", "VariableAlloc", "Lock", "Trans", "UndoLog", "RedoLog", "Index",
  68     "HashIndex", "SysDb", "Db", "Table", "Predicate", "Iter", "Procmgmt",
  69     "Network", "Gateway", "Adapter", "SqlLog"
  70 };
  71
  72 extern int printDebug1(int module, char *fname, int lineno, char *format, ...);
  73
  74
  75 #ifdef DEBUG
  76 #define printDebug(a, ...) printDebug1(a, __FILE__, __LINE__, __VA_ARGS__)
  77 #else
  78 #define printDebug(...) ;
  79 #endif
  80
  81 //Logging
  82
  83 #define MAX_TRACE_LOG_LENGTH 1024
  84
  85 enum LogLevel
  86 {
  87     LogOff = 0,
  88     LogFine,
  89     LogFiner,
  90     LogFinest
  91 };
  92
  93 static char     levelNames[][10] =
  94 {
  95      "OFF", "FINE", "FINER", "FINEST"
  96 };
  97 #include<Mutex.h>
  98 class Logger
  99 {
 100     Mutex mutex_; //guard in case of multi threaded programs
 101     int fdLog;  //file descriptor
 102     LogLevel configLevel;   //configuration file setting is cached here.
 103     public:
 104     int log(LogLevel level, char* filename, int lineNo, char *format, ...);
 105     int createLogRecord(LogLevel level, char* filename, int lineNo, char* message, char **in);
 106     DbRetVal startLogger(char *filename, bool isCreate = false);
 107     void stopLogger();
 108 };
 109
 110 //Global object
 111 static Logger logger;
 112
 113 #define logFinest(logger, ...) \
 114 {\
 115   (logger).log(LogFinest, __FILE__, __LINE__, __VA_ARGS__);\
 116 };
 117
 118 #define logFiner(logger, ...) \
 119 {\
 120   (logger).log(LogFiner, __FILE__, __LINE__, __VA_ARGS__);\
 121 };
 122
 123 #define logFine(logger, ...) \
 124 {\
 125   (logger).log(LogFine, __FILE__, __LINE__, __VA_ARGS__);\
 126 };
 127
 128
 129 #endif