agent/debug.c

   1 /*
   2  * This file is part of the Nice GLib ICE library.
   3  *
   4  * (C) 2008 Collabora Ltd.
   5  *  Contact: Youness Alaoui
   6  * (C) 2008 Nokia Corporation. All rights reserved.
   7  *
   8  * The contents of this file are subject to the Mozilla Public License Version
   9  * 1.1 (the "License"); you may not use this file except in compliance with
  10  * the License. You may obtain a copy of the License at
  11  * http://www.mozilla.org/MPL/
  12  *
  13  * Software distributed under the License is distributed on an "AS IS" basis,
  14  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  15  * for the specific language governing rights and limitations under the
  16  * License.
  17  *
  18  * The Original Code is the Nice GLib ICE library.
  19  *
  20  * The Initial Developers of the Original Code are Collabora Ltd and Nokia
  21  * Corporation. All Rights Reserved.
  22  *
  23  * Contributors:
  24  *   Youness Alaoui, Collabora Ltd.
  25  *
  26  * Alternatively, the contents of this file may be used under the terms of the
  27  * the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
  28  * case the provisions of LGPL are applicable instead of those above. If you
  29  * wish to allow use of your version of this file only under the terms of the
  30  * LGPL and not to allow others to use your version of this file under the
  31  * MPL, indicate your decision by deleting the provisions above and replace
  32  * them with the notice and other provisions required by the LGPL. If you do
  33  * not delete the provisions above, a recipient may use your version of this
  34  * file under either the MPL or the LGPL.
  35  */
  36
  37 #ifdef HAVE_CONFIG_H
  38 # include <config.h>
  39 #endif
  40
  41 #include "debug.h"
  42
  43 #include "stunagent.h"
  44 #include "pseudotcp.h"
  45
  46 static int debug_enabled = 0;
  47
  48 #define NICE_DEBUG_STUN 1
  49 #define NICE_DEBUG_NICE 2
  50 #define NICE_DEBUG_PSEUDOTCP 4
  51 #define NICE_DEBUG_PSEUDOTCP_VERBOSE 8
  52
  53 static const GDebugKey keys[] = {
  54   { (gchar *)"stun",  NICE_DEBUG_STUN },
  55   { (gchar *)"nice",  NICE_DEBUG_NICE },
  56   { (gchar *)"pseudotcp",  NICE_DEBUG_PSEUDOTCP },
  57   { (gchar *)"pseudotcp-verbose",  NICE_DEBUG_PSEUDOTCP_VERBOSE },
  58   { NULL, 0},
  59 };
  60
  61
  62 void nice_debug_init ()
  63 {
  64   static gboolean debug_initialized = FALSE;
  65   const gchar *flags_string;
  66   guint flags;
  67
  68   if (!debug_initialized) {
  69     debug_initialized = TRUE;
  70
  71     flags_string = g_getenv ("NICE_DEBUG");
  72
  73     nice_debug_disable (TRUE);
  74
  75     if (flags_string != NULL) {
  76       flags = g_parse_debug_string (flags_string, keys,  4);
  77
  78       if (flags & NICE_DEBUG_NICE)
  79         nice_debug_enable (FALSE);
  80       if (flags & NICE_DEBUG_STUN)
  81         stun_debug_enable ();
  82
  83       /* Set verbose before normal so that if we use 'all', then only
  84          normal debug is enabled, we'd need to set pseudotcp-verbose without the
  85          pseudotcp flag in order to actually enable verbose pseudotcp */
  86       if (flags & NICE_DEBUG_PSEUDOTCP_VERBOSE)
  87         pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_VERBOSE);
  88       if (flags & NICE_DEBUG_PSEUDOTCP)
  89         pseudo_tcp_set_debug_level (PSEUDO_TCP_DEBUG_NORMAL);
  90     }
  91   }
  92 }
  93
  94 void nice_debug_enable (gboolean with_stun)
  95 {
  96   nice_debug_init ();
  97   debug_enabled = 1;
  98   if (with_stun)
  99     stun_debug_enable ();
 100 }
 101 void nice_debug_disable (gboolean with_stun)
 102 {
 103   nice_debug_init ();
 104   debug_enabled = 0;
 105   if (with_stun)
 106     stun_debug_disable ();
 107 }
 108
 109 void nice_debug (const char *fmt, ...)
 110 {
 111   va_list ap;
 112   if (debug_enabled) {
 113     va_start (ap, fmt);
 114     g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_DEBUG, fmt, ap);
 115     va_end (ap);
 116   }
 117 }