lib/util/tevent_debug.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Copyright (C) Andrew Tridgell 2003
   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 3 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    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 #include "includes.h"
  20 #include <tevent.h>
  21
  22 #undef DBGC_CLASS
  23 #define DBGC_CLASS DBGC_TEVENT
  24
  25 static void samba_tevent_debug(void *context,
  26                                enum tevent_debug_level level,
  27                                const char *fmt,
  28                                va_list ap)  PRINTF_ATTRIBUTE(3,0);
  29
  30 static void samba_tevent_debug(void *context,
  31                                enum tevent_debug_level level,
  32                                const char *fmt,
  33                                va_list ap)
  34 {
  35         int samba_level = -1;
  36
  37         switch (level) {
  38         case TEVENT_DEBUG_FATAL:
  39                 samba_level = 0;
  40                 break;
  41         case TEVENT_DEBUG_ERROR:
  42                 samba_level = 1;
  43                 break;
  44         case TEVENT_DEBUG_WARNING:
  45                 samba_level = 2;
  46                 break;
  47         case TEVENT_DEBUG_TRACE:
  48                 samba_level = 50;
  49                 break;
  50         };
  51
  52         if (CHECK_DEBUGLVL(samba_level)) {
  53                 const char *name = (const char *)context;
  54                 char *message = NULL;
  55                 int ret;
  56
  57                 ret = vasprintf(&message, fmt, ap);
  58                 if (ret == -1) {
  59                         return;
  60                 }
  61
  62                 if (name == NULL) {
  63                         name = "samba_tevent";
  64                 }
  65
  66                 DEBUG(samba_level, ("%s: %s", name, message));
  67                 free(message);
  68         }
  69 }
  70
  71 void samba_tevent_set_debug(struct tevent_context *ev, const char *name)
  72 {
  73         void *p = discard_const(name);
  74         tevent_set_debug(ev, samba_tevent_debug, p);
  75 }
  76
  77 struct tevent_context *samba_tevent_context_init(TALLOC_CTX *mem_ctx)
  78 {
  79         struct tevent_context *ev;
  80
  81         ev = tevent_context_init(mem_ctx);
  82         if (ev) {
  83                 samba_tevent_set_debug(ev, NULL);
  84         }
  85
  86         return ev;
  87 }