src/libstrongswan/debug.c

   1 /*
   2  * Copyright (C) 2006 Martin Willi
   3  * Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include <stdarg.h>
  17
  18 #include "debug.h"
  19
  20 ENUM(debug_names, DBG_DMN, DBG_LIB,
  21         "DMN",
  22         "MGR",
  23         "IKE",
  24         "CHD",
  25         "JOB",
  26         "CFG",
  27         "KNL",
  28         "NET",
  29         "ASN",
  30         "ENC",
  31         "TNC",
  32         "IMC",
  33         "IMV",
  34         "PTS",
  35         "TLS",
  36         "APP",
  37         "ESP",
  38         "LIB",
  39 );
  40
  41 ENUM(debug_lower_names, DBG_DMN, DBG_LIB,
  42         "dmn",
  43         "mgr",
  44         "ike",
  45         "chd",
  46         "job",
  47         "cfg",
  48         "knl",
  49         "net",
  50         "asn",
  51         "enc",
  52         "tnc",
  53         "imc",
  54         "imv",
  55         "pts",
  56         "tls",
  57         "app",
  58         "esp",
  59         "lib",
  60 );
  61
  62 /**
  63  * level logged by the default logger
  64  */
  65 static level_t default_level = 1;
  66
  67 /**
  68  * stream logged to by the default logger
  69  */
  70 static FILE *default_stream = NULL;
  71
  72 /**
  73  * default dbg function which printf all to stderr
  74  */
  75 void dbg_default(debug_t group, level_t level, char *fmt, ...)
  76 {
  77         if (!default_stream)
  78         {
  79                 default_stream = stderr;
  80         }
  81         if (level <= default_level)
  82         {
  83                 va_list args;
  84
  85                 va_start(args, fmt);
  86                 vfprintf(default_stream, fmt, args);
  87                 fprintf(default_stream, "\n");
  88                 va_end(args);
  89         }
  90 }
  91
  92 /**
  93  * set the level logged by the default stderr logger
  94  */
  95 void dbg_default_set_level(level_t level)
  96 {
  97         default_level = level;
  98 }
  99
 100 /**
 101  * set the stream logged by dbg_default() to
 102  */
 103 void dbg_default_set_stream(FILE *stream)
 104 {
 105         default_stream = stream;
 106 }
 107
 108 /**
 109  * The registered debug hook.
 110  */
 111 void (*dbg) (debug_t group, level_t level, char *fmt, ...) = dbg_default;
 112