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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 OpenSim 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.Collections;
using System.Reflection;
using System.Xml;
using log4net;
using OpenMetaverse;
using OpenSim.Framework.Communications.Capabilities;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Scenes;
using Caps=OpenSim.Framework.Communications.Capabilities.Caps;
namespace OpenSim.Region.DataSnapshot
{
public class DataRequestHandler
{
private Scene m_scene = null;
private DataSnapshotManager m_externalData = null;
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private readonly string m_discoveryPath = "DS0001/";
public DataRequestHandler(Scene scene, DataSnapshotManager externalData)
{
m_scene = scene;
m_externalData = externalData;
//Register HTTP handler
if (m_scene.CommsManager.HttpServer.AddHTTPHandler("collector", OnGetSnapshot))
{
m_log.Info("[DATASNAPSHOT]: Set up snapshot service");
}
//Register CAPS handler event
m_scene.EventManager.OnRegisterCaps += OnRegisterCaps;
//harbl
}
public void OnRegisterCaps(UUID agentID, Caps caps)
{
m_log.Info("[DATASNAPSHOT]: Registering service discovery capability for " + agentID);
string capsBase = "/CAPS/" + caps.CapsObjectPath;
caps.RegisterHandler("PublicSnapshotDataInfo",
new RestStreamHandler("POST", capsBase + m_discoveryPath, OnDiscoveryAttempt));
}
public string OnDiscoveryAttempt(string request, string path, string param,
OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
//Very static for now, flexible enough to add new formats
LLSDDiscoveryResponse llsd_response = new LLSDDiscoveryResponse();
llsd_response.snapshot_resources = new OSDArray();
LLSDDiscoveryDataURL llsd_dataurl = new LLSDDiscoveryDataURL();
llsd_dataurl.snapshot_format = "os-datasnapshot-v1";
llsd_dataurl.snapshot_url = "http://" + m_externalData.m_hostname + ":" + m_externalData.m_listener_port + "/?method=collector";
llsd_response.snapshot_resources.Array.Add(llsd_dataurl);
string response = LLSDHelpers.SerialiseLLSDReply(llsd_response);
return response;
}
public Hashtable OnGetSnapshot(Hashtable keysvals)
{
m_log.Info("[DATASNAPSHOT] Received collection request");
Hashtable reply = new Hashtable();
int statuscode = 200;
string snapObj = (string)keysvals["region"];
XmlDocument response = m_externalData.GetSnapshot(snapObj);
reply["str_response_string"] = response.OuterXml;
reply["int_response_code"] = statuscode;
reply["content_type"] = "text/xml";
return reply;
}
}
}
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