ctdb/common/logging.c

   1 /*
   2    Logging utilities
   3
   4    Copyright (C) Amitay Isaacs  2015
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include <replace.h>
  21 #include <system/locale.h>
  22
  23 #include "common/logging.h"
  24
  25 struct {
  26         enum debug_level log_level;
  27         const char *log_string;
  28 } log_string_map[] = {
  29         { DEBUG_ERR,     "ERROR" },
  30         { DEBUG_WARNING, "WARNING" },
  31         { DEBUG_NOTICE,  "NOTICE" },
  32         { DEBUG_INFO,    "INFO" },
  33         { DEBUG_DEBUG,   "DEBUG" },
  34 };
  35
  36 bool debug_level_parse(const char *log_string, enum debug_level *log_level)
  37 {
  38         int i;
  39
  40         if (isdigit(log_string[0])) {
  41                 int level = atoi(log_string);
  42
  43                 if (level >= 0 && level < ARRAY_SIZE(log_string_map)) {
  44                         *log_level = debug_level_from_int(level);
  45                         return true;
  46                 }
  47                 return false;
  48         }
  49
  50         for (i=0; i<ARRAY_SIZE(log_string_map); i++) {
  51                 if (strncasecmp(log_string_map[i].log_string,
  52                                 log_string, strlen(log_string)) == 0) {
  53                         *log_level = log_string_map[i].log_level;
  54                         return true;
  55                 }
  56         }
  57
  58         return false;
  59 }
  60
  61 const char *debug_level_to_string(enum debug_level log_level)
  62 {
  63         int i;
  64
  65         for (i=0; ARRAY_SIZE(log_string_map); i++) {
  66                 if (log_string_map[i].log_level == log_level) {
  67                         return log_string_map[i].log_string;
  68                 }
  69         }
  70         return "UNKNOWN";
  71 }
  72
  73 enum debug_level debug_level_from_string(const char *log_string)
  74 {
  75         bool found;
  76         enum debug_level log_level;
  77
  78         found = debug_level_parse(log_string, &log_level);
  79         if (found) {
  80                 return log_level;
  81         }
  82
  83         /* Default debug level */
  84         return DEBUG_ERR;
  85 }
  86
  87 int debug_level_to_int(enum debug_level log_level)
  88 {
  89         return (int)log_level;
  90 }
  91
  92 enum debug_level debug_level_from_int(int level)
  93 {
  94         enum debug_level log_level;
  95
  96         if (level >= 0 && level < ARRAY_SIZE(log_string_map)) {
  97                 log_level = log_string_map[level].log_level;
  98         } else {
  99                 log_level = DEBUG_ERR;
 100         }
 101
 102         return log_level;
 103 }