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/*
* 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 e)
{
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;
}
}
}
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