1 files changed, 143 insertions, 0 deletions

diff --git a/OpenSim/ApplicationPlugins/LoadRegions/RegionLoaderWebServer.cs b/OpenSim/ApplicationPlugins/LoadRegions/RegionLoaderWebServer.cs
new file mode 100644
index 0000000..13d7a8a
--- /dev/null
+++ b/OpenSim/ApplicationPlugins/LoadRegions/RegionLoaderWebServer.cs
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.IO;
+using System.Net;
+using System.Reflection;
+using System.Xml;
+using log4net;
+using Nini.Config;
+using OpenSim.Framework;
+
+namespace OpenSim.ApplicationPlugins.LoadRegions
+{
+    public class RegionLoaderWebServer : IRegionLoader
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IConfigSource m_configSource;
+
+        public void SetIniConfigSource(IConfigSource configSource)
+        {
+            m_configSource = configSource;
+        }
+
+        public RegionInfo[] LoadRegions()
+        {
+            int tries = 3;
+            int wait = 2000;
+
+            if (m_configSource == null)
+            {
+                m_log.Error("[WEBLOADER]: Unable to load configuration source!");
+                return null;
+            }
+            else
+            {
+                IConfig startupConfig = (IConfig)m_configSource.Configs["Startup"];
+                string url = startupConfig.GetString("regionload_webserver_url", String.Empty).Trim();
+                bool allowRegionless = startupConfig.GetBoolean("allow_regionless", false);
+
+                if (url == String.Empty)
+                {
+                    m_log.Error("[WEBLOADER]: Unable to load webserver URL - URL was empty.");
+                    return null;
+                }
+                else
+                {
+                    while (tries > 0)
+                    {
+                        RegionInfo[] regionInfos = new RegionInfo[] { };
+                        int regionCount = 0;
+                        HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
+                        webRequest.Timeout = 30000; //30 Second Timeout
+                        m_log.DebugFormat("[WEBLOADER]: Sending download request to {0}", url);
+
+                        try
+                        {
+                            HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
+                            m_log.Debug("[WEBLOADER]: Downloading region information...");
+                            StreamReader reader = new StreamReader(webResponse.GetResponseStream());
+                            string xmlSource = String.Empty;
+                            string tempStr = reader.ReadLine();
+                            while (tempStr != null)
+                            {
+                                xmlSource = xmlSource + tempStr;
+                                tempStr = reader.ReadLine();
+                            }
+                            m_log.Debug("[WEBLOADER]: Done downloading region information from server. Total Bytes: " +
+                                        xmlSource.Length);
+                            XmlDocument xmlDoc = new XmlDocument();
+                            xmlDoc.LoadXml(xmlSource);
+                            if (xmlDoc.FirstChild.Name == "Nini")
+                            {
+                                regionCount = xmlDoc.FirstChild.ChildNodes.Count;
+
+                                if (regionCount > 0)
+                                {
+                                    regionInfos = new RegionInfo[regionCount];
+                                    int i;
+                                    for (i = 0; i < xmlDoc.FirstChild.ChildNodes.Count; i++)
+                                    {
+                                        m_log.Debug(xmlDoc.FirstChild.ChildNodes[i].OuterXml);
+                                        regionInfos[i] =
+                                            new RegionInfo("REGION CONFIG #" + (i + 1), xmlDoc.FirstChild.ChildNodes[i], false, m_configSource);
+                                    }
+                                }
+                            }
+                        }
+                        catch (WebException ex)
+                        {
+                            if (((HttpWebResponse)ex.Response).StatusCode == HttpStatusCode.NotFound)
+                            {
+                                if (!allowRegionless)
+                                    throw ex;
+                            }
+                            else
+                                throw ex;
+                        }
+
+                        if (regionCount > 0 | allowRegionless)
+                            return regionInfos;
+
+                        m_log.Debug("[WEBLOADER]: Request yielded no regions.");
+                        tries--;
+                        if (tries > 0)
+                        {
+                            m_log.Debug("[WEBLOADER]: Retrying");
+                            System.Threading.Thread.Sleep(wait);
+                        }
+                    }
+
+                    m_log.Error("[WEBLOADER]: No region configs were available.");
+                    return null;
+                }
+            }
+        }
+    }
+}
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