mcs/class/Mono.Security/Mono.Security.Protocol.Tls/DebugHelper.cs

   1 /* Transport Security Layer (TLS)
   2  * Copyright (c) 2003-2004 Carlos Guzman Alvarez
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without restriction,
   7  * including without limitation the rights to use, copy, modify, merge,
   8  * publish, distribute, sublicense, and/or sell copies of the Software,
   9  * and to permit persons to whom the Software is furnished to do so,
  10  * subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included
  13  * in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  17  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  19  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 using System;
  26 using System.Diagnostics;
  27
  28 namespace Mono.Security.Protocol.Tls
  29 {
  30         internal class DebugHelper
  31         {
  32                 private static bool isInitialized;
  33
  34                 [Conditional("DEBUG")]
  35                 public static void Initialize()
  36                 {
  37                         if (!isInitialized)
  38                         {
  39                                 Debug.Listeners.Add(new TextWriterTraceListener(Console.Out));
  40                                 // Debug.Listeners.Add(new TextWriterTraceListener(@"c:\ssl.log"));
  41                                 Debug.AutoFlush = true;
  42                                 Debug.Indent();
  43
  44                                 isInitialized = true;
  45                         }
  46                 }
  47
  48                 [Conditional("DEBUG")]
  49                 public static void WriteLine(string format, params object[] args)
  50                 {
  51                         Initialize();
  52                         Debug.WriteLine(String.Format(format, args));
  53                 }
  54
  55                 [Conditional("DEBUG")]
  56                 public static void WriteLine(string message)
  57                 {
  58                         Initialize();
  59                         Debug.WriteLine(message);
  60                 }
  61
  62                 [Conditional("DEBUG")]
  63                 public static void WriteLine(string message, byte[] buffer)
  64                 {
  65                         Initialize();
  66                         DebugHelper.WriteLine(String.Format("{0} ({1} bytes))", message, buffer.Length));
  67                         DebugHelper.WriteBuffer(buffer);
  68                 }
  69
  70                 [Conditional("DEBUG")]
  71                 public static void WriteBuffer(byte[] buffer)
  72                 {
  73                         Initialize();
  74                         DebugHelper.WriteBuffer(buffer, 0, buffer.Length);
  75                 }
  76
  77                 [Conditional("DEBUG")]
  78                 public static void WriteBuffer(byte[] buffer, int index, int length)
  79                 {
  80                         Initialize();
  81                         for (int i = index; i < length; i += 16)
  82                         {
  83                                 int count = (length - i) >= 16 ? 16 : (length - i);
  84                                 for (int j = 0; j < count; j++)
  85                                 {
  86                                         Debug.Write(buffer[i + j].ToString("x2") + " ");
  87                                 }
  88                                 Debug.WriteLine("");
  89                         }
  90                 }
  91         }
  92 }