corrade-vassal – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * Copyright (c) 2006-2014, openmetaverse.org |
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3 | * All rights reserved. |
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4 | * |
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5 | * - Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * |
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8 | * - Redistributions of source code must retain the above copyright notice, this |
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9 | * list of conditions and the following disclaimer. |
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10 | * - Neither the name of the openmetaverse.org nor the names |
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11 | * of its contributors may be used to endorse or promote products derived from |
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12 | * this software without specific prior written permission. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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15 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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18 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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19 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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20 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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21 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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22 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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23 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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24 | * POSSIBILITY OF SUCH DAMAGE. |
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25 | */ |
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26 | |||
27 | using System; |
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28 | using System.Net; |
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29 | using System.Security.Cryptography.X509Certificates; |
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30 | using System.Threading; |
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31 | using OpenMetaverse.StructuredData; |
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32 | |||
33 | namespace OpenMetaverse.Http |
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34 | { |
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35 | public class CapsClient |
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36 | { |
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37 | public delegate void DownloadProgressCallback(CapsClient client, int bytesReceived, int totalBytesToReceive); |
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38 | public delegate void CompleteCallback(CapsClient client, OSD result, Exception error); |
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39 | |||
40 | public event DownloadProgressCallback OnDownloadProgress; |
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41 | public event CompleteCallback OnComplete; |
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42 | |||
43 | public object UserData; |
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44 | |||
45 | protected Uri _Address; |
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46 | protected byte[] _PostData; |
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47 | protected X509Certificate2 _ClientCert; |
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48 | protected string _ContentType; |
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49 | protected HttpWebRequest _Request; |
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50 | protected OSD _Response; |
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51 | protected AutoResetEvent _ResponseEvent = new AutoResetEvent(false); |
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52 | |||
53 | public CapsClient(Uri capability) |
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54 | : this(capability, null) |
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55 | { |
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56 | } |
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57 | |||
58 | public CapsClient(Uri capability, X509Certificate2 clientCert) |
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59 | { |
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60 | _Address = capability; |
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61 | _ClientCert = clientCert; |
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62 | } |
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63 | |||
64 | public void BeginGetResponse(int millisecondsTimeout) |
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65 | { |
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66 | BeginGetResponse(null, null, millisecondsTimeout); |
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67 | } |
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68 | |||
69 | public void BeginGetResponse(OSD data, OSDFormat format, int millisecondsTimeout) |
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70 | { |
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71 | byte[] postData; |
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72 | string contentType; |
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73 | |||
74 | switch (format) |
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75 | { |
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76 | case OSDFormat.Xml: |
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77 | postData = OSDParser.SerializeLLSDXmlBytes(data); |
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78 | contentType = "application/llsd+xml"; |
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79 | break; |
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80 | case OSDFormat.Binary: |
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81 | postData = OSDParser.SerializeLLSDBinary(data); |
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82 | contentType = "application/llsd+binary"; |
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83 | break; |
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84 | case OSDFormat.Json: |
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85 | default: |
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86 | postData = System.Text.Encoding.UTF8.GetBytes(OSDParser.SerializeJsonString(data)); |
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87 | contentType = "application/llsd+json"; |
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88 | break; |
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89 | } |
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90 | |||
91 | BeginGetResponse(postData, contentType, millisecondsTimeout); |
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92 | } |
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93 | |||
94 | public void BeginGetResponse(byte[] postData, string contentType, int millisecondsTimeout) |
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95 | { |
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96 | _PostData = postData; |
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97 | _ContentType = contentType; |
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98 | |||
99 | if (_Request != null) |
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100 | { |
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101 | _Request.Abort(); |
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102 | _Request = null; |
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103 | } |
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104 | |||
105 | if (postData == null) |
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106 | { |
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107 | // GET |
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108 | //Logger.Log.Debug("[CapsClient] GET " + _Address); |
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109 | _Request = CapsBase.DownloadStringAsync(_Address, _ClientCert, millisecondsTimeout, DownloadProgressHandler, |
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110 | RequestCompletedHandler); |
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111 | } |
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112 | else |
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113 | { |
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114 | // POST |
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115 | //Logger.Log.Debug("[CapsClient] POST (" + postData.Length + " bytes) " + _Address); |
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116 | _Request = CapsBase.UploadDataAsync(_Address, _ClientCert, contentType, postData, millisecondsTimeout, null, |
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117 | DownloadProgressHandler, RequestCompletedHandler); |
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118 | } |
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119 | } |
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120 | |||
121 | public OSD GetResponse(int millisecondsTimeout) |
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122 | { |
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123 | BeginGetResponse(millisecondsTimeout); |
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124 | _ResponseEvent.WaitOne(millisecondsTimeout, false); |
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125 | return _Response; |
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126 | } |
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127 | |||
128 | public OSD GetResponse(OSD data, OSDFormat format, int millisecondsTimeout) |
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129 | { |
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130 | BeginGetResponse(data, format, millisecondsTimeout); |
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131 | _ResponseEvent.WaitOne(millisecondsTimeout, false); |
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132 | return _Response; |
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133 | } |
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134 | |||
135 | public OSD GetResponse(byte[] postData, string contentType, int millisecondsTimeout) |
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136 | { |
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137 | BeginGetResponse(postData, contentType, millisecondsTimeout); |
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138 | _ResponseEvent.WaitOne(millisecondsTimeout, false); |
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139 | return _Response; |
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140 | } |
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141 | |||
142 | public void Cancel() |
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143 | { |
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144 | if (_Request != null) |
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145 | _Request.Abort(); |
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146 | } |
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147 | |||
148 | void DownloadProgressHandler(HttpWebRequest request, HttpWebResponse response, int bytesReceived, int totalBytesToReceive) |
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149 | { |
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150 | _Request = request; |
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151 | |||
152 | if (OnDownloadProgress != null) |
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153 | { |
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154 | try { OnDownloadProgress(this, bytesReceived, totalBytesToReceive); } |
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155 | catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, ex); } |
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156 | } |
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157 | } |
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158 | |||
159 | void RequestCompletedHandler(HttpWebRequest request, HttpWebResponse response, byte[] responseData, Exception error) |
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160 | { |
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161 | _Request = request; |
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162 | |||
163 | OSD result = null; |
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164 | |||
165 | if (responseData != null) |
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166 | { |
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167 | try { result = OSDParser.Deserialize(responseData); } |
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168 | catch (Exception ex) { error = ex; } |
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169 | } |
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170 | |||
171 | FireCompleteCallback(result, error); |
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172 | } |
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173 | |||
174 | private void FireCompleteCallback(OSD result, Exception error) |
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175 | { |
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176 | CompleteCallback callback = OnComplete; |
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177 | if (callback != null) |
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178 | { |
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179 | try { callback(this, result, error); } |
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180 | catch (Exception ex) { Logger.Log(ex.Message, Helpers.LogLevel.Error, ex); } |
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181 | } |
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182 | |||
183 | _Response = result; |
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184 | _ResponseEvent.Set(); |
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185 | } |
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186 | } |
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187 | } |