1 files changed, 100 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/Hypergrid/HeloServicesConnector.cs b/OpenSim/Services/Connectors/Hypergrid/HeloServicesConnector.cs
new file mode 100644
index 0000000..5c50936
--- /dev/null
+++ b/OpenSim/Services/Connectors/Hypergrid/HeloServicesConnector.cs
@@ -0,0 +1,100 @@
+/*
+ * 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 log4net;
+using System;
+using System.Net;
+using System.Reflection;
+using Nini.Config;
+
+namespace OpenSim.Services.Connectors
+{
+    public class HeloServicesConnector 
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private string m_ServerURI = String.Empty;
+
+        public HeloServicesConnector()
+        {
+        }
+
+        public HeloServicesConnector(string serverURI)
+        {
+            if (!serverURI.EndsWith("="))
+                m_ServerURI = serverURI.TrimEnd('/') + "/helo/";
+            else
+            {
+                // Simian sends malformed urls like this:
+                // http://valley.virtualportland.org/simtest/Grid/?id=
+                //
+                try
+                {
+                    Uri uri = new Uri(serverURI + "xxx");
+                    if (uri.Query == string.Empty)
+                        m_ServerURI = serverURI.TrimEnd('/') + "/helo/";
+                    else
+                    {
+                        serverURI = serverURI + "xxx";
+                        m_ServerURI = serverURI.Replace(uri.Query, "");
+                        m_ServerURI = m_ServerURI.TrimEnd('/') + "/helo/";
+                    }
+                }
+                catch (UriFormatException)
+                {
+                    m_log.WarnFormat("[HELO SERVICE]: Malformed URL {0}", serverURI);
+                }
+            }
+        }
+
+
+        public virtual string Helo()
+        {
+            HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(m_ServerURI);
+            // Eventually we need to switch to HEAD
+            /* req.Method = "HEAD"; */
+
+            try
+            {
+                WebResponse response = req.GetResponse();
+                if (response.Headers.Get("X-Handlers-Provided") == null) // just in case this ever returns a null
+                    return string.Empty;
+                return response.Headers.Get("X-Handlers-Provided");
+            }
+            catch (Exception e)
+            {
+                m_log.DebugFormat("[HELO SERVICE]: Unable to perform HELO request to {0}: {1}", m_ServerURI, e.Message);
+            }
+
+            // fail
+            return string.Empty;
+        }
+
+    }
+}