Radegast/Core/Updater/ErrorReporter.cs

   1 //
   2 // Radegast Metaverse Client
   3 // Copyright (c) 2009-2014, Radegast Development Team
   4 // All rights reserved.
   5 //
   6 // Redistribution and use in source and binary forms, with or without
   7 // modification, are permitted provided that the following conditions are met:
   8 //
   9 //     * Redistributions of source code must retain the above copyright notice,
  10 //       this list of conditions and the following disclaimer.
  11 //     * Redistributions in binary form must reproduce the above copyright
  12 //       notice, this list of conditions and the following disclaimer in the
  13 //       documentation and/or other materials provided with the distribution.
  14 //     * Neither the name of the application "Radegast", nor the names of its
  15 //       contributors may be used to endorse or promote products derived from
  16 //       this software without specific prior written permission.
  17 //
  18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  22 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  24 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  25 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  26 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 //
  29 // $Id$
  30 //
  31 using System;
  32 using System.Collections.Generic;
  33 using System.Linq;
  34 using System.Text;
  35 using System.IO;
  36 using System.Net;
  37 using OpenMetaverse;
  38
  39 namespace Radegast
  40 {
  41     public class ErrorReporter
  42     {
  43         string url;
  44         StringBuilder postString;
  45
  46         public ErrorReporter(string url)
  47         {
  48             this.url = url;
  49         }
  50
  51         void AddStacktrace(ref StringBuilder report, Exception ex)
  52         {
  53             if (ex == null) return;
  54
  55             report.AppendFormat("{0}: ", ex.ToString());
  56             report.AppendLine(ex.Message);
  57             report.AppendLine(ex.StackTrace);
  58             report.AppendLine();
  59             if (ex.InnerException != null && ex.InnerException != ex)
  60             {
  61                 AddStacktrace(ref report, ex.InnerException);
  62             }
  63         }
  64
  65         public void SendExceptionReport(Exception ex)
  66         {
  67             try
  68             {
  69                 // Build the params we want to send
  70                 postString = new StringBuilder();
  71                 StringBuilder report = new StringBuilder();
  72                 AddStacktrace(ref report, ex);
  73                 AddPostField("report", report.ToString());
  74                 AddPostField("version", Properties.Resources.RadegastTitle);
  75                 AddPostField("build", RadegastBuild.CurrentRev.ToString());
  76
  77                 // Send the request
  78                 WebRequest request = WebRequest.Create(url);
  79                 request.Method = "POST";
  80                 byte[] postData = Encoding.UTF8.GetBytes(postString.ToString());
  81                 request.ContentLength = postData.Length;
  82                 request.ContentType = "application/x-www-form-urlencoded";
  83                 Stream dataStream = request.GetRequestStream();
  84                 dataStream.Write(postData, 0, postData.Length);
  85                 dataStream.Close();
  86
  87                 // Read the response
  88                 WebResponse response = request.GetResponse();
  89                 dataStream = response.GetResponseStream();
  90                 StreamReader reader = new StreamReader(dataStream);
  91                 string responseFromServer = reader.ReadToEnd();
  92                 reader.Close();
  93                 dataStream.Close();
  94                 response.Close();
  95                 Logger.Log("Error reporting server said: " + responseFromServer, Helpers.LogLevel.Info);
  96             }
  97             catch (Exception e)
  98             {
  99                 Logger.Log("Failed to send error report: " + e.Message, Helpers.LogLevel.Error, e);
 100             }
 101         }
 102
 103         void AddPostField(string name, string value)
 104         {
 105             if (postString.Length > 0)
 106             {
 107                 postString.Append("&");
 108             }
 109
 110             postString.Append(name);
 111             postString.Append("=");
 112             postString.Append(System.Web.HttpUtility.UrlEncode(value));
 113         }
 114
 115     }
 116 }