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 log4net; |
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29 | using System; |
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30 | using System.Collections; |
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31 | using System.Collections.Generic; |
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32 | using System.IO; |
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33 | using System.Net; |
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34 | using System.Reflection; |
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35 | using System.Text; |
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36 | using Nini.Config; |
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37 | using OpenSim.Framework; |
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38 | using OpenSim.Framework.Communications; |
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39 | using OpenSim.Services.Interfaces; |
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40 | using OpenMetaverse; |
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41 | using OpenMetaverse.StructuredData; |
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42 | |||
43 | using GridRegion = OpenSim.Services.Interfaces.GridRegion; |
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44 | |||
45 | namespace OpenSim.Services.Connectors |
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46 | { |
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47 | public class NeighbourServicesConnector : INeighbourService |
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48 | { |
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49 | private static readonly ILog m_log = |
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50 | LogManager.GetLogger( |
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51 | MethodBase.GetCurrentMethod().DeclaringType); |
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52 | |||
53 | protected IGridService m_GridService = null; |
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54 | |||
55 | public NeighbourServicesConnector() |
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56 | { |
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57 | } |
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58 | |||
59 | public NeighbourServicesConnector(IGridService gridServices) |
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60 | { |
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61 | Initialise(gridServices); |
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62 | } |
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63 | |||
64 | public virtual void Initialise(IGridService gridServices) |
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65 | { |
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66 | m_GridService = gridServices; |
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67 | } |
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68 | |||
69 | public virtual GridRegion HelloNeighbour(ulong regionHandle, RegionInfo thisRegion) |
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70 | { |
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71 | uint x = 0, y = 0; |
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72 | Util.RegionHandleToWorldLoc(regionHandle, out x, out y); |
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73 | GridRegion regInfo = m_GridService.GetRegionByPosition(thisRegion.ScopeID, (int)x, (int)y); |
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74 | if ((regInfo != null) && |
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75 | // Don't remote-call this instance; that's a startup hickup |
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76 | !((regInfo.ExternalHostName == thisRegion.ExternalHostName) && (regInfo.HttpPort == thisRegion.HttpPort))) |
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77 | { |
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78 | if (!DoHelloNeighbourCall(regInfo, thisRegion)) |
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79 | return null; |
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80 | } |
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81 | else |
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82 | return null; |
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83 | |||
84 | return regInfo; |
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85 | } |
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86 | |||
87 | public bool DoHelloNeighbourCall(GridRegion region, RegionInfo thisRegion) |
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88 | { |
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89 | string uri = region.ServerURI + "region/" + thisRegion.RegionID + "/"; |
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90 | // m_log.Debug(" >>> DoHelloNeighbourCall <<< " + uri); |
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91 | |||
92 | WebRequest helloNeighbourRequest; |
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93 | |||
94 | try |
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95 | { |
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96 | helloNeighbourRequest = WebRequest.Create(uri); |
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97 | } |
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98 | catch (Exception e) |
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99 | { |
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100 | m_log.WarnFormat( |
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101 | "[NEIGHBOUR SERVICES CONNECTOR]: Unable to parse uri {0} to send HelloNeighbour from {1} to {2}. Exception {3}{4}", |
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102 | uri, thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace); |
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103 | |||
104 | return false; |
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105 | } |
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106 | |||
107 | helloNeighbourRequest.Method = "POST"; |
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108 | helloNeighbourRequest.ContentType = "application/json"; |
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109 | helloNeighbourRequest.Timeout = 10000; |
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110 | |||
111 | // Fill it in |
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112 | OSDMap args = null; |
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113 | try |
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114 | { |
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115 | args = thisRegion.PackRegionInfoData(); |
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116 | } |
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117 | catch (Exception e) |
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118 | { |
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119 | m_log.WarnFormat( |
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120 | "[NEIGHBOUR SERVICES CONNECTOR]: PackRegionInfoData failed for HelloNeighbour from {0} to {1}. Exception {2}{3}", |
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121 | thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace); |
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122 | |||
123 | return false; |
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124 | } |
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125 | |||
126 | // Add the regionhandle of the destination region |
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127 | args["destination_handle"] = OSD.FromString(region.RegionHandle.ToString()); |
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128 | |||
129 | string strBuffer = ""; |
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130 | byte[] buffer = new byte[1]; |
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131 | |||
132 | try |
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133 | { |
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134 | strBuffer = OSDParser.SerializeJsonString(args); |
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135 | buffer = Util.UTF8NoBomEncoding.GetBytes(strBuffer); |
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136 | } |
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137 | catch (Exception e) |
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138 | { |
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139 | m_log.WarnFormat( |
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140 | "[NEIGHBOUR SERVICES CONNECTOR]: Exception thrown on serialization of HelloNeighbour from {0} to {1}. Exception {2}{3}", |
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141 | thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace); |
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142 | |||
143 | return false; |
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144 | } |
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145 | |||
146 | Stream os = null; |
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147 | try |
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148 | { // send the Post |
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149 | helloNeighbourRequest.ContentLength = buffer.Length; //Count bytes to send |
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150 | os = helloNeighbourRequest.GetRequestStream(); |
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151 | os.Write(buffer, 0, strBuffer.Length); //Send it |
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152 | //m_log.InfoFormat("[REST COMMS]: Posted HelloNeighbour request to remote sim {0}", uri); |
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153 | } |
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154 | catch (Exception e) |
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155 | { |
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156 | m_log.WarnFormat( |
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157 | "[NEIGHBOUR SERVICES CONNECTOR]: Unable to send HelloNeighbour from {0} to {1}. Exception {2}{3}", |
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158 | thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace); |
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159 | |||
160 | return false; |
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161 | } |
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162 | finally |
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163 | { |
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164 | if (os != null) |
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165 | os.Dispose(); |
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166 | } |
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167 | |||
168 | // Let's wait for the response |
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169 | //m_log.Info("[REST COMMS]: Waiting for a reply after DoHelloNeighbourCall"); |
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170 | |||
171 | try |
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172 | { |
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173 | using (WebResponse webResponse = helloNeighbourRequest.GetResponse()) |
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174 | { |
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175 | if (webResponse == null) |
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176 | { |
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177 | m_log.DebugFormat( |
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178 | "[NEIGHBOUR SERVICES CONNECTOR]: Null reply on DoHelloNeighbourCall post from {0} to {1}", |
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179 | thisRegion.RegionName, region.RegionName); |
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180 | } |
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181 | |||
182 | using (Stream s = webResponse.GetResponseStream()) |
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183 | { |
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184 | using (StreamReader sr = new StreamReader(s)) |
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185 | { |
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186 | //reply = sr.ReadToEnd().Trim(); |
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187 | sr.ReadToEnd().Trim(); |
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188 | //m_log.InfoFormat("[REST COMMS]: DoHelloNeighbourCall reply was {0} ", reply); |
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189 | } |
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190 | } |
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191 | } |
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192 | } |
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193 | catch (Exception e) |
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194 | { |
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195 | m_log.WarnFormat( |
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196 | "[NEIGHBOUR SERVICES CONNECTOR]: Exception on reply of DoHelloNeighbourCall from {0} back to {1}. Exception {2}{3}", |
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197 | region.RegionName, thisRegion.RegionName, e.Message, e.StackTrace); |
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198 | |||
199 | return false; |
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200 | } |
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201 | |||
202 | return true; |
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203 | } |
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204 | } |
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205 | } |