opensim – Blame information for rev 1

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1 eva 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using System;
29 using System.IO;
30 using System.Net;
31 using System.Reflection;
32 using System.Xml;
33 using log4net;
34 using Nini.Config;
35  
36 namespace OpenSim.Framework.RegionLoader.Web
37 {
38 public class RegionLoaderWebServer : IRegionLoader
39 {
40 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
41  
42 private IConfigSource m_configSource;
43  
44 public void SetIniConfigSource(IConfigSource configSource)
45 {
46 m_configSource = configSource;
47 }
48  
49 public RegionInfo[] LoadRegions()
50 {
51 if (m_configSource == null)
52 {
53 m_log.Error("[WEBLOADER]: Unable to load configuration source!");
54 return null;
55 }
56 else
57 {
58 IConfig startupConfig = (IConfig) m_configSource.Configs["Startup"];
59 string url = startupConfig.GetString("regionload_webserver_url", String.Empty).Trim();
60 bool allowRegionless = startupConfig.GetBoolean("allow_regionless", false);
61  
62 if (url == String.Empty)
63 {
64 m_log.Error("[WEBLOADER]: Unable to load webserver URL - URL was empty.");
65 return null;
66 }
67 else
68 {
69 RegionInfo[] regionInfos = new RegionInfo[] {};
70 int regionCount = 0;
71 HttpWebRequest webRequest = (HttpWebRequest) WebRequest.Create(url);
72 webRequest.Timeout = 30000; //30 Second Timeout
73 m_log.DebugFormat("[WEBLOADER]: Sending download request to {0}", url);
74  
75 try
76 {
77 string xmlSource = String.Empty;
78  
79 using (HttpWebResponse webResponse = (HttpWebResponse) webRequest.GetResponse())
80 {
81 m_log.Debug("[WEBLOADER]: Downloading region information...");
82  
83 using (Stream s = webResponse.GetResponseStream())
84 {
85 using (StreamReader reader = new StreamReader(s))
86 {
87 string tempStr = reader.ReadLine();
88 while (tempStr != null)
89 {
90 xmlSource = xmlSource + tempStr;
91 tempStr = reader.ReadLine();
92 }
93 }
94 }
95 }
96  
97 m_log.Debug("[WEBLOADER]: Done downloading region information from server. Total Bytes: " +
98 xmlSource.Length);
99 XmlDocument xmlDoc = new XmlDocument();
100 xmlDoc.LoadXml(xmlSource);
101 if (xmlDoc.FirstChild.Name == "Regions")
102 {
103 regionCount = xmlDoc.FirstChild.ChildNodes.Count;
104  
105 if (regionCount > 0)
106 {
107 regionInfos = new RegionInfo[regionCount];
108 int i;
109 for (i = 0; i < xmlDoc.FirstChild.ChildNodes.Count; i++)
110 {
111 m_log.Debug(xmlDoc.FirstChild.ChildNodes[i].OuterXml);
112 regionInfos[i] =
113 new RegionInfo("REGION CONFIG #" + (i + 1), xmlDoc.FirstChild.ChildNodes[i],false,m_configSource);
114 }
115 }
116 }
117 }
118 catch (WebException ex)
119 {
120 using (HttpWebResponse response = (HttpWebResponse)ex.Response)
121 {
122 if (response.StatusCode == HttpStatusCode.NotFound)
123 {
124 if (!allowRegionless)
125 throw ex;
126 }
127 else
128 {
129 throw ex;
130 }
131 }
132 }
133  
134 if (regionCount > 0 | allowRegionless)
135 {
136 return regionInfos;
137 }
138 else
139 {
140 m_log.Error("[WEBLOADER]: No region configs were available.");
141 return null;
142 }
143 }
144 }
145 }
146 }
147 }