* GridManagementAgent is now documented

zircon^2
Adam Frisby 2007-06-02 01:15:47 +00:00
parent 3d0a820da9
commit bad9cdae1e
2 changed files with 113 additions and 7 deletions

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@ -1,3 +1,29 @@
/*
* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* 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 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 <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 Nwc.XmlRpc;
using OpenSim.Framework;
using OpenSim.Servers;
@ -7,19 +33,46 @@ using libsecondlife;
namespace OpenGrid.Framework.Manager
{
/// <summary>
/// Used to pass messages to the gridserver
/// </summary>
/// <param name="param">Pass this argument</param>
public delegate void GridManagerCallback(string param);
/// <summary>
/// Serverside listener for grid commands
/// </summary>
public class GridManagementAgent
{
/// <summary>
/// Passes grid server messages
/// </summary>
private GridManagerCallback thecallback;
/// <summary>
/// Security keys
/// </summary>
private string sendkey;
private string recvkey;
/// <summary>
/// Our component type
/// </summary>
private string component_type;
/// <summary>
/// List of active sessions
/// </summary>
private static ArrayList Sessions;
/// <summary>
/// Initialises a new GridManagementAgent
/// </summary>
/// <param name="app_httpd">HTTP Daemon for this server</param>
/// <param name="component_type">What component type are we?</param>
/// <param name="sendkey">Security send key</param>
/// <param name="recvkey">Security recieve key</param>
/// <param name="thecallback">Message callback</param>
public GridManagementAgent(BaseHttpServer app_httpd, string component_type, string sendkey, string recvkey, GridManagerCallback thecallback)
{
this.sendkey = sendkey;
@ -41,11 +94,21 @@ namespace OpenGrid.Framework.Manager
}
}
/// <summary>
/// Checks if a session exists
/// </summary>
/// <param name="sessionID">The session ID</param>
/// <returns>Exists?</returns>
public static bool SessionExists(LLUUID sessionID)
{
return Sessions.Contains(sessionID);
}
/// <summary>
/// Logs a new session to the grid manager
/// </summary>
/// <param name="request">the XMLRPC request</param>
/// <returns>An XMLRPC reply</returns>
public static XmlRpcResponse XmlRpcLoginMethod(XmlRpcRequest request)
{
XmlRpcResponse response = new XmlRpcResponse();

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@ -1,3 +1,30 @@
/*
* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* 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 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 <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.Collections;
using System.Collections.Generic;
@ -7,13 +34,27 @@ 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();
@ -23,7 +64,7 @@ namespace OpenGrid.Framework.Manager {
if(requestData.ContainsKey("session_id")) {
if(GridManagementAgent.SessionExists(new LLUUID((string)requestData["session_id"]))) {
responseData["msg"]="Shutdown command accepted";
(new Thread(new ThreadStart(ZOMGServerIsNowTerminallyIll))).Start();
(new Thread(new ThreadStart(ShutdownServer))).Start();
} else {
response.IsFault=true;
responseData["error"]="bad session ID";
@ -37,11 +78,13 @@ namespace OpenGrid.Framework.Manager {
return response;
}
// Brought to by late-night coding
public static void ZOMGServerIsNowTerminallyIll()
/// <summary>
/// Shuts down the grid server
/// </summary>
public static void ShutdownServer()
{
Console.WriteLine("ZOMG! THIS SERVER IS TERMINALLY ILL - WE GOT A SHUTDOWN REQUEST FROM A GRID MANAGER!!!!");
Console.WriteLine("We have 3 seconds to live...");
Console.WriteLine("Shutting down the grid server - recieved a grid manager request");
Console.WriteLine("Terminating in three seconds...");
Thread.Sleep(3000);
thecallback("shutdown");
}