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path: root/src/CAPS/SimHttp.cs
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/*
Copyright (c) OpenSimCAPS project, http://osgrid.org/


* All rights reserved.
*
* 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 <organization> 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 <copyright holder> ``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 <copyright holder> 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.Text;
using Nwc.XmlRpc;
using System.Threading;
using System.Text.RegularExpressions;
using System.Net;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using libsecondlife;
using ServerConsole;
using OpenSim.GridServers;

namespace OpenSim
{
	// Dummy HTTP server, does nothing useful for now

	public class SimCAPSHTTPServer {
		public Thread HTTPD;
		public HttpListener Listener;
	
		public SimCAPSHTTPServer() {
	 		ServerConsole.MainConsole.Instance.WriteLine("Starting up HTTP Server");
			HTTPD = new Thread(new ThreadStart(StartHTTP));
			HTTPD.Start();
		}

		public void StartHTTP() {
			try
			{
				ServerConsole.MainConsole.Instance.WriteLine("SimHttp.cs:StartHTTP() - Spawned main thread OK");
				Listener = new HttpListener();

				Listener.Prefixes.Add("http://+:" + OpenSim_Main.cfg.IPListenPort + "/");
				Listener.Start();

				HttpListenerContext context;
				while(true) {
					context = Listener.GetContext();
					ThreadPool.QueueUserWorkItem(new WaitCallback(HandleRequest), context);
				}
			}
			catch (Exception e)
			{
				ServerConsole.MainConsole.Instance.WriteLine(e.Message);
			}
		}

		static string ParseXMLRPC(string requestBody) {
			try
			{
				XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(requestBody);
				
				Hashtable requestData = (Hashtable)request.Params[0];
				switch(request.MethodName) {
					case "expect_user":
						GridServers.agentcircuitdata agent_data = new GridServers.agentcircuitdata();
						agent_data.SessionID = new LLUUID((string)requestData["session_id"]);
						agent_data.SecureSessionID = new LLUUID((string)requestData["secure_session_id"]);
						agent_data.firstname = (string)requestData["firstname"];
						agent_data.lastname = (string)requestData["lastname"];
						agent_data.AgentID = new LLUUID((string)requestData["agent_id"]);
						agent_data.circuitcode = Convert.ToUInt32(requestData["circuit_code"]);
						if (OpenSim_Main.gridServers.GridServer.GetName() == "Remote")
						{
							((RemoteGridBase) OpenSim_Main.gridServers.GridServer).agentcircuits.Add((uint)agent_data.circuitcode,agent_data);
						}
						return "<?xml version=\"1.0\"?><methodResponse><params /></methodResponse>";
						break;
				}
			} 
			catch(Exception e) 
			{
				Console.WriteLine(e.ToString());
			}
			return "";
		}
		
		static string ParseREST(string requestBody, string requestURL) {
			return "";
		}

		static string ParseLLSDXML(string requestBody) {
			// dummy function for now - IMPLEMENT ME!
			return "";
		}

		static void HandleRequest(Object  stateinfo) {
			HttpListenerContext context=(HttpListenerContext)stateinfo;
			
			HttpListenerRequest request = context.Request;
			HttpListenerResponse response = context.Response;

			response.KeepAlive=false;
			response.SendChunked=false;

			System.IO.Stream body = request.InputStream;
			System.Text.Encoding encoding = System.Text.Encoding.UTF8;
			System.IO.StreamReader reader = new System.IO.StreamReader(body, encoding);
			
			string requestBody = reader.ReadToEnd();
			body.Close();
			reader.Close();

			string responseString="";
			switch(request.ContentType) {
				case "text/xml":
					// must be XML-RPC, so pass to the XML-RPC parser
					
					responseString=ParseXMLRPC(requestBody);
					response.AddHeader("Content-type","text/xml");
					break;
					
				case "application/xml":
					// probably LLSD we hope, otherwise it should be ignored by the parser
					responseString=ParseLLSDXML(requestBody);
					response.AddHeader("Content-type","application/xml");
					break;
					
				case null:
					// must be REST or invalid crap, so pass to the REST parser
					responseString=ParseREST(request.Url.OriginalString,requestBody);
					break;
			}
				
			byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
			System.IO.Stream output = response.OutputStream;
			response.SendChunked=false;
			response.ContentLength64=buffer.Length;
			output.Write(buffer,0,buffer.Length);
			output.Close();
		}
	}


}