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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
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*/

using System;
using System.Collections;
using System.Collections.Generic;
using Nwc.XmlRpc;
using System.Threading;
using libsecondlife;

namespace OpenGrid.Framework.Manager {

    /// <summary>
    /// A remote management system for the grid server
    /// </summary>
	public class GridServerManager 
	{
        /// <summary>
        /// Triggers events from the grid manager
        /// </summary>
		public static GridManagerCallback thecallback;

        /// <summary>
        /// Security keys
        /// </summary>
		public static string sendkey;
		public static string recvkey;

        /// <summary>
        /// Disconnects the grid server and shuts it down
        /// </summary>
        /// <param name="request">XmlRpc Request</param>
        /// <returns>An XmlRpc response containing either a "msg" or an "error"</returns>
		public static XmlRpcResponse XmlRpcShutdownMethod(XmlRpcRequest request)
         	{
           		XmlRpcResponse response = new XmlRpcResponse();
            		Hashtable requestData = (Hashtable)request.Params[0];
	    		Hashtable responseData = new Hashtable();
         
			if(requestData.ContainsKey("session_id")) {
				if(GridManagementAgent.SessionExists(new LLUUID((string)requestData["session_id"]))) {
					responseData["msg"]="Shutdown command accepted";
					(new Thread(new ThreadStart(ShutdownServer))).Start();
				} else {
					response.IsFault=true;
					responseData["error"]="bad session ID";
				}
			} else {
				response.IsFault=true;
				responseData["error"]="no session ID";
			}

	    		response.Value = responseData;
	    		return response;
		}

		/// <summary>
        /// Shuts down the grid server
		/// </summary>
		public static void ShutdownServer()
		{
			Console.WriteLine("Shutting down the grid server - recieved a grid manager request");
            Console.WriteLine("Terminating in three seconds...");
			Thread.Sleep(3000);
			thecallback("shutdown");
		}
	 }
}