opensim – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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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 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.IO; |
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30 | using System.Reflection; |
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31 | using log4net; |
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32 | using OpenMetaverse; |
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33 | using OpenSim.Framework; |
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34 | using OpenSim.Region.Framework.Scenes; |
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35 | using OpenSim.Services.Interfaces; |
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36 | using PermissionMask = OpenSim.Framework.PermissionMask; |
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37 | |||
38 | namespace OpenSim.Region.CoreModules.Agent.AssetTransaction |
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39 | { |
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40 | public class AssetXferUploader |
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41 | { |
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42 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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43 | |||
44 | /// <summary> |
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45 | /// Upload state. |
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46 | /// </summary> |
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47 | /// <remarks> |
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48 | /// New -> Uploading -> Complete |
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49 | /// </remarks> |
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50 | private enum UploadState |
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51 | { |
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52 | New, |
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53 | Uploading, |
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54 | Complete |
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55 | } |
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56 | |||
57 | /// <summary> |
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58 | /// Reference to the object that holds this uploader. Used to remove ourselves from it's list if we |
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59 | /// are performing a delayed update. |
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60 | /// </summary> |
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61 | AgentAssetTransactions m_transactions; |
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62 | |||
63 | private UploadState m_uploadState = UploadState.New; |
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64 | |||
65 | private AssetBase m_asset; |
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66 | private UUID InventFolder = UUID.Zero; |
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67 | private sbyte invType = 0; |
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68 | |||
69 | private bool m_createItem; |
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70 | private uint m_createItemCallback; |
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71 | |||
72 | private bool m_updateItem; |
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73 | private InventoryItemBase m_updateItemData; |
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74 | |||
75 | private bool m_updateTaskItem; |
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76 | private TaskInventoryItem m_updateTaskItemData; |
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77 | |||
78 | private string m_description = String.Empty; |
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79 | private bool m_dumpAssetToFile; |
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80 | private string m_name = String.Empty; |
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81 | // private bool m_storeLocal; |
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82 | private uint nextPerm = 0; |
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83 | private IClientAPI ourClient; |
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84 | |||
85 | private UUID m_transactionID; |
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86 | |||
87 | private sbyte type = 0; |
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88 | private byte wearableType = 0; |
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89 | public ulong XferID; |
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90 | private Scene m_Scene; |
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91 | |||
92 | /// <summary> |
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93 | /// AssetXferUploader constructor |
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94 | /// </summary> |
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95 | /// <param name='transactions'>/param> |
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96 | /// <param name='scene'></param> |
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97 | /// <param name='transactionID'></param> |
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98 | /// <param name='dumpAssetToFile'> |
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99 | /// If true then when the asset is uploaded it is dumped to a file with the format |
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100 | /// String.Format("{6}_{7}_{0:d2}{1:d2}{2:d2}_{3:d2}{4:d2}{5:d2}.dat", |
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101 | /// now.Year, now.Month, now.Day, now.Hour, now.Minute, |
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102 | /// now.Second, m_asset.Name, m_asset.Type); |
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103 | /// for debugging purposes. |
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104 | /// </param> |
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105 | public AssetXferUploader( |
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106 | AgentAssetTransactions transactions, Scene scene, UUID transactionID, bool dumpAssetToFile) |
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107 | { |
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108 | m_asset = new AssetBase(); |
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109 | |||
110 | m_transactions = transactions; |
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111 | m_transactionID = transactionID; |
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112 | m_Scene = scene; |
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113 | m_dumpAssetToFile = dumpAssetToFile; |
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114 | } |
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115 | |||
116 | /// <summary> |
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117 | /// Process transfer data received from the client. |
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118 | /// </summary> |
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119 | /// <param name="xferID"></param> |
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120 | /// <param name="packetID"></param> |
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121 | /// <param name="data"></param> |
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122 | /// <returns>True if the transfer is complete, false otherwise or if the xferID was not valid</returns> |
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123 | public bool HandleXferPacket(ulong xferID, uint packetID, byte[] data) |
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124 | { |
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125 | // m_log.DebugFormat( |
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126 | // "[ASSET XFER UPLOADER]: Received packet {0} for xfer {1} (data length {2})", |
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127 | // packetID, xferID, data.Length); |
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128 | |||
129 | if (XferID == xferID) |
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130 | { |
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131 | if (m_asset.Data.Length > 1) |
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132 | { |
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133 | byte[] destinationArray = new byte[m_asset.Data.Length + data.Length]; |
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134 | Array.Copy(m_asset.Data, 0, destinationArray, 0, m_asset.Data.Length); |
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135 | Array.Copy(data, 0, destinationArray, m_asset.Data.Length, data.Length); |
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136 | m_asset.Data = destinationArray; |
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137 | } |
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138 | else |
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139 | { |
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140 | byte[] buffer2 = new byte[data.Length - 4]; |
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141 | Array.Copy(data, 4, buffer2, 0, data.Length - 4); |
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142 | m_asset.Data = buffer2; |
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143 | } |
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144 | |||
145 | ourClient.SendConfirmXfer(xferID, packetID); |
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146 | |||
147 | if ((packetID & 0x80000000) != 0) |
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148 | { |
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149 | SendCompleteMessage(); |
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150 | return true; |
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151 | } |
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152 | } |
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153 | |||
154 | return false; |
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155 | } |
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156 | |||
157 | /// <summary> |
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158 | /// Start asset transfer from the client |
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159 | /// </summary> |
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160 | /// <param name="remoteClient"></param> |
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161 | /// <param name="assetID"></param> |
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162 | /// <param name="transaction"></param> |
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163 | /// <param name="type"></param> |
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164 | /// <param name="data"> |
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165 | /// Optional data. If present then the asset is created immediately with this data |
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166 | /// rather than requesting an upload from the client. The data must be longer than 2 bytes. |
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167 | /// </param> |
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168 | /// <param name="storeLocal"></param> |
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169 | /// <param name="tempFile"></param> |
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170 | public void StartUpload( |
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171 | IClientAPI remoteClient, UUID assetID, UUID transaction, sbyte type, byte[] data, bool storeLocal, |
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172 | bool tempFile) |
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173 | { |
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174 | // m_log.DebugFormat( |
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175 | // "[ASSET XFER UPLOADER]: Initialised xfer from {0}, asset {1}, transaction {2}, type {3}, storeLocal {4}, tempFile {5}, already received data length {6}", |
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176 | // remoteClient.Name, assetID, transaction, type, storeLocal, tempFile, data.Length); |
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177 | |||
178 | lock (this) |
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179 | { |
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180 | if (m_uploadState != UploadState.New) |
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181 | { |
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182 | m_log.WarnFormat( |
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183 | "[ASSET XFER UPLOADER]: Tried to start upload of asset {0}, transaction {1} for {2} but this is already in state {3}. Aborting.", |
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184 | assetID, transaction, remoteClient.Name, m_uploadState); |
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185 | |||
186 | return; |
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187 | } |
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188 | |||
189 | m_uploadState = UploadState.Uploading; |
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190 | } |
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191 | |||
192 | ourClient = remoteClient; |
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193 | |||
194 | m_asset.FullID = assetID; |
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195 | m_asset.Type = type; |
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196 | m_asset.CreatorID = remoteClient.AgentId.ToString(); |
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197 | m_asset.Data = data; |
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198 | m_asset.Local = storeLocal; |
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199 | m_asset.Temporary = tempFile; |
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200 | |||
201 | // m_storeLocal = storeLocal; |
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202 | |||
203 | if (m_asset.Data.Length > 2) |
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204 | { |
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205 | SendCompleteMessage(); |
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206 | } |
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207 | else |
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208 | { |
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209 | RequestStartXfer(); |
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210 | } |
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211 | } |
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212 | |||
213 | protected void RequestStartXfer() |
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214 | { |
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215 | XferID = Util.GetNextXferID(); |
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216 | |||
217 | // m_log.DebugFormat( |
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218 | // "[ASSET XFER UPLOADER]: Requesting Xfer of asset {0}, type {1}, transfer id {2} from {3}", |
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219 | // m_asset.FullID, m_asset.Type, XferID, ourClient.Name); |
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220 | |||
221 | ourClient.SendXferRequest(XferID, m_asset.Type, m_asset.FullID, 0, new byte[0]); |
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222 | } |
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223 | |||
224 | protected void SendCompleteMessage() |
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225 | { |
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226 | // We must lock in order to avoid a race with a separate thread dealing with an inventory item or create |
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227 | // message from other client UDP. |
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228 | lock (this) |
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229 | { |
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230 | m_uploadState = UploadState.Complete; |
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231 | |||
232 | ourClient.SendAssetUploadCompleteMessage(m_asset.Type, true, m_asset.FullID); |
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233 | |||
234 | if (m_createItem) |
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235 | { |
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236 | CompleteCreateItem(m_createItemCallback); |
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237 | } |
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238 | else if (m_updateItem) |
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239 | { |
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240 | CompleteItemUpdate(m_updateItemData); |
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241 | } |
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242 | else if (m_updateTaskItem) |
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243 | { |
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244 | CompleteTaskItemUpdate(m_updateTaskItemData); |
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245 | } |
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246 | // else if (m_storeLocal) |
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247 | // { |
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248 | // m_Scene.AssetService.Store(m_asset); |
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249 | // } |
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250 | } |
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251 | |||
252 | m_log.DebugFormat( |
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253 | "[ASSET XFER UPLOADER]: Uploaded asset {0} for transaction {1}", |
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254 | m_asset.FullID, m_transactionID); |
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255 | |||
256 | if (m_dumpAssetToFile) |
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257 | { |
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258 | DateTime now = DateTime.Now; |
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259 | string filename = |
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260 | String.Format("{6}_{7}_{0:d2}{1:d2}{2:d2}_{3:d2}{4:d2}{5:d2}.dat", |
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261 | now.Year, now.Month, now.Day, now.Hour, now.Minute, |
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262 | now.Second, m_asset.Name, m_asset.Type); |
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263 | SaveAssetToFile(filename, m_asset.Data); |
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264 | } |
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265 | } |
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266 | |||
267 | private void SaveAssetToFile(string filename, byte[] data) |
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268 | { |
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269 | string assetPath = "UserAssets"; |
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270 | if (!Directory.Exists(assetPath)) |
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271 | { |
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272 | Directory.CreateDirectory(assetPath); |
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273 | } |
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274 | FileStream fs = File.Create(Path.Combine(assetPath, filename)); |
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275 | BinaryWriter bw = new BinaryWriter(fs); |
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276 | bw.Write(data); |
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277 | bw.Close(); |
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278 | fs.Close(); |
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279 | } |
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280 | |||
281 | public void RequestCreateInventoryItem(IClientAPI remoteClient, |
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282 | UUID folderID, uint callbackID, |
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283 | string description, string name, sbyte invType, |
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284 | sbyte type, byte wearableType, uint nextOwnerMask) |
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285 | { |
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286 | InventFolder = folderID; |
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287 | m_name = name; |
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288 | m_description = description; |
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289 | this.type = type; |
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290 | this.invType = invType; |
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291 | this.wearableType = wearableType; |
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292 | nextPerm = nextOwnerMask; |
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293 | m_asset.Name = name; |
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294 | m_asset.Description = description; |
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295 | m_asset.Type = type; |
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296 | |||
297 | // We must lock to avoid a race with a separate thread uploading the asset. |
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298 | lock (this) |
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299 | { |
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300 | if (m_uploadState == UploadState.Complete) |
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301 | { |
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302 | CompleteCreateItem(callbackID); |
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303 | } |
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304 | else |
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305 | { |
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306 | m_createItem = true; //set flag so the inventory item is created when upload is complete |
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307 | m_createItemCallback = callbackID; |
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308 | } |
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309 | } |
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310 | } |
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311 | |||
312 | public void RequestUpdateInventoryItem(IClientAPI remoteClient, InventoryItemBase item) |
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313 | { |
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314 | // We must lock to avoid a race with a separate thread uploading the asset. |
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315 | lock (this) |
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316 | { |
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317 | m_asset.Name = item.Name; |
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318 | m_asset.Description = item.Description; |
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319 | m_asset.Type = (sbyte)item.AssetType; |
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320 | |||
321 | // We must always store the item at this point even if the asset hasn't finished uploading, in order |
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322 | // to avoid a race condition when the appearance module retrieves the item to set the asset id in |
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323 | // the AvatarAppearance structure. |
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324 | item.AssetID = m_asset.FullID; |
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325 | if (item.AssetID != UUID.Zero) |
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326 | m_Scene.InventoryService.UpdateItem(item); |
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327 | |||
328 | if (m_uploadState == UploadState.Complete) |
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329 | { |
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330 | CompleteItemUpdate(item); |
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331 | } |
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332 | else |
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333 | { |
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334 | // m_log.DebugFormat( |
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335 | // "[ASSET XFER UPLOADER]: Holding update inventory item request {0} for {1} pending completion of asset xfer for transaction {2}", |
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336 | // item.Name, remoteClient.Name, transactionID); |
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337 | |||
338 | m_updateItem = true; |
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339 | m_updateItemData = item; |
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340 | } |
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341 | } |
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342 | } |
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343 | |||
344 | public void RequestUpdateTaskInventoryItem(IClientAPI remoteClient, TaskInventoryItem taskItem) |
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345 | { |
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346 | // We must lock to avoid a race with a separate thread uploading the asset. |
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347 | lock (this) |
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348 | { |
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349 | m_asset.Name = taskItem.Name; |
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350 | m_asset.Description = taskItem.Description; |
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351 | m_asset.Type = (sbyte)taskItem.Type; |
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352 | taskItem.AssetID = m_asset.FullID; |
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353 | |||
354 | if (m_uploadState == UploadState.Complete) |
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355 | { |
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356 | CompleteTaskItemUpdate(taskItem); |
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357 | } |
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358 | else |
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359 | { |
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360 | m_updateTaskItem = true; |
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361 | m_updateTaskItemData = taskItem; |
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362 | } |
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363 | } |
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364 | } |
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365 | |||
366 | /// <summary> |
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367 | /// Store the asset for the given item when it has been uploaded. |
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368 | /// </summary> |
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369 | /// <param name="item"></param> |
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370 | private void CompleteItemUpdate(InventoryItemBase item) |
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371 | { |
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372 | // m_log.DebugFormat( |
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373 | // "[ASSET XFER UPLOADER]: Storing asset {0} for earlier item update for {1} for {2}", |
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374 | // m_asset.FullID, item.Name, ourClient.Name); |
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375 | |||
376 | m_Scene.AssetService.Store(m_asset); |
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377 | |||
378 | m_transactions.RemoveXferUploader(m_transactionID); |
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379 | } |
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380 | |||
381 | /// <summary> |
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382 | /// Store the asset for the given task item when it has been uploaded. |
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383 | /// </summary> |
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384 | /// <param name="taskItem"></param> |
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385 | private void CompleteTaskItemUpdate(TaskInventoryItem taskItem) |
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386 | { |
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387 | // m_log.DebugFormat( |
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388 | // "[ASSET XFER UPLOADER]: Storing asset {0} for earlier task item update for {1} for {2}", |
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389 | // m_asset.FullID, taskItem.Name, ourClient.Name); |
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390 | |||
391 | m_Scene.AssetService.Store(m_asset); |
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392 | |||
393 | m_transactions.RemoveXferUploader(m_transactionID); |
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394 | } |
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395 | |||
396 | private void CompleteCreateItem(uint callbackID) |
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397 | { |
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398 | m_Scene.AssetService.Store(m_asset); |
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399 | |||
400 | InventoryItemBase item = new InventoryItemBase(); |
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401 | item.Owner = ourClient.AgentId; |
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402 | item.CreatorId = ourClient.AgentId.ToString(); |
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403 | item.ID = UUID.Random(); |
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404 | item.AssetID = m_asset.FullID; |
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405 | item.Description = m_description; |
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406 | item.Name = m_name; |
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407 | item.AssetType = type; |
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408 | item.InvType = invType; |
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409 | item.Folder = InventFolder; |
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410 | item.BasePermissions = (uint)(PermissionMask.All | PermissionMask.Export); |
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411 | item.CurrentPermissions = item.BasePermissions; |
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412 | item.GroupPermissions=0; |
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413 | item.EveryOnePermissions=0; |
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414 | item.NextPermissions = nextPerm; |
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415 | item.Flags = (uint) wearableType; |
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416 | item.CreationDate = Util.UnixTimeSinceEpoch(); |
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417 | |||
418 | if (m_Scene.AddInventoryItem(item)) |
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419 | ourClient.SendInventoryItemCreateUpdate(item, callbackID); |
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420 | else |
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421 | ourClient.SendAlertMessage("Unable to create inventory item"); |
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422 | |||
423 | m_transactions.RemoveXferUploader(m_transactionID); |
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424 | } |
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425 | } |
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426 | } |