OpenSimMirror/OpenSim/Grid/UserServer/MessageServersConnector.cs

510 lines
20 KiB
C#

/*
* 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.Collections.Generic;
using System.Net;
using System.Reflection;
using System.Threading;
using log4net;
using Nwc.XmlRpc;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
namespace OpenSim.Grid.UserServer
{
public enum NotificationRequest : int
{
Login = 0,
Logout = 1,
Shutdown = 2
}
public struct PresenceNotification
{
public NotificationRequest request;
public UUID agentID;
public UUID sessionID;
public UUID RegionID;
public ulong regionhandle;
public float positionX;
public float positionY;
public float positionZ;
public string firstname;
public string lastname;
}
public delegate void AgentLocationDelegate(UUID agentID, UUID regionID, ulong regionHandle);
public delegate void AgentLeavingDelegate(UUID agentID, UUID regionID, ulong regionHandle);
public delegate void RegionStartupDelegate(UUID regionID);
public delegate void RegionShutdownDelegate(UUID regionID);
public class MessageServersConnector
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public Dictionary<string, MessageServerInfo> MessageServers;
private BaseHttpServer m_httpServer;
private BlockingQueue<PresenceNotification> m_NotifyQueue =
new BlockingQueue<PresenceNotification>();
Thread m_NotifyThread;
public event AgentLocationDelegate OnAgentLocation;
public event AgentLeavingDelegate OnAgentLeaving;
public event RegionStartupDelegate OnRegionStartup;
public event RegionShutdownDelegate OnRegionShutdown;
public MessageServersConnector()
{
MessageServers = new Dictionary<string, MessageServerInfo>();
m_NotifyThread = new Thread(new ThreadStart(NotifyQueueRunner));
m_NotifyThread.Start();
}
public void Initialise()
{
}
public void PostInitialise()
{
}
public void RegisterHandlers(BaseHttpServer httpServer)
{
m_httpServer = httpServer;
m_httpServer.AddXmlRPCHandler("region_startup", RegionStartup);
m_httpServer.AddXmlRPCHandler("region_shutdown", RegionShutdown);
m_httpServer.AddXmlRPCHandler("agent_location", AgentLocation);
m_httpServer.AddXmlRPCHandler("agent_leaving", AgentLeaving);
// Message Server ---> User Server
m_httpServer.AddXmlRPCHandler("register_messageserver", XmlRPCRegisterMessageServer);
m_httpServer.AddXmlRPCHandler("agent_change_region", XmlRPCUserMovedtoRegion);
m_httpServer.AddXmlRPCHandler("deregister_messageserver", XmlRPCDeRegisterMessageServer);
}
public void RegisterMessageServer(string URI, MessageServerInfo serverData)
{
lock (MessageServers)
{
if (!MessageServers.ContainsKey(URI))
MessageServers.Add(URI, serverData);
}
}
public void DeRegisterMessageServer(string URI)
{
lock (MessageServers)
{
if (MessageServers.ContainsKey(URI))
MessageServers.Remove(URI);
}
}
public void AddResponsibleRegion(string URI, ulong regionhandle)
{
if (!MessageServers.ContainsKey(URI))
{
m_log.Warn("[MSGSERVER]: Got addResponsibleRegion Request for a MessageServer that isn't registered");
}
else
{
MessageServerInfo msginfo = MessageServers["URI"];
msginfo.responsibleForRegions.Add(regionhandle);
MessageServers["URI"] = msginfo;
}
}
public void RemoveResponsibleRegion(string URI, ulong regionhandle)
{
if (!MessageServers.ContainsKey(URI))
{
m_log.Warn("[MSGSERVER]: Got RemoveResponsibleRegion Request for a MessageServer that isn't registered");
}
else
{
MessageServerInfo msginfo = MessageServers["URI"];
if (msginfo.responsibleForRegions.Contains(regionhandle))
{
msginfo.responsibleForRegions.Remove(regionhandle);
MessageServers["URI"] = msginfo;
}
}
}
public XmlRpcResponse XmlRPCRegisterMessageServer(XmlRpcRequest request)
{
XmlRpcResponse response = new XmlRpcResponse();
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable responseData = new Hashtable();
if (requestData.Contains("uri"))
{
string URI = (string)requestData["uri"];
string sendkey=(string)requestData["sendkey"];
string recvkey=(string)requestData["recvkey"];
MessageServerInfo m = new MessageServerInfo();
m.URI = URI;
m.sendkey = sendkey;
m.recvkey = recvkey;
RegisterMessageServer(URI, m);
responseData["responsestring"] = "TRUE";
response.Value = responseData;
}
return response;
}
public XmlRpcResponse XmlRPCDeRegisterMessageServer(XmlRpcRequest request)
{
XmlRpcResponse response = new XmlRpcResponse();
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable responseData = new Hashtable();
if (requestData.Contains("uri"))
{
string URI = (string)requestData["uri"];
DeRegisterMessageServer(URI);
responseData["responsestring"] = "TRUE";
response.Value = responseData;
}
return response;
}
public XmlRpcResponse XmlRPCUserMovedtoRegion(XmlRpcRequest request)
{
XmlRpcResponse response = new XmlRpcResponse();
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable responseData = new Hashtable();
if (requestData.Contains("fromuri"))
{
// string sURI = (string)requestData["fromuri"];
// string sagentID = (string)requestData["agentid"];
// string ssessionID = (string)requestData["sessionid"];
// string scurrentRegionID = (string)requestData["regionid"];
// string sregionhandle = (string)requestData["regionhandle"];
// string scurrentpos = (string)requestData["currentpos"];
//Vector3.TryParse((string)reader["currentPos"], out retval.currentPos);
// TODO: Okay now raise event so the user server can pass this data to the Usermanager
responseData["responsestring"] = "TRUE";
response.Value = responseData;
}
return response;
}
public void TellMessageServersAboutUser(UUID agentID, UUID sessionID, UUID RegionID,
ulong regionhandle, float positionX, float positionY,
float positionZ, string firstname, string lastname)
{
PresenceNotification notification = new PresenceNotification();
notification.request = NotificationRequest.Login;
notification.agentID = agentID;
notification.sessionID = sessionID;
notification.RegionID = RegionID;
notification.regionhandle = regionhandle;
notification.positionX = positionX;
notification.positionY = positionY;
notification.positionZ = positionZ;
notification.firstname = firstname;
notification.lastname = lastname;
m_NotifyQueue.Enqueue(notification);
}
private void TellMessageServersAboutUserInternal(UUID agentID, UUID sessionID, UUID RegionID,
ulong regionhandle, float positionX, float positionY,
float positionZ, string firstname, string lastname)
{
// Loop over registered Message Servers (AND THERE WILL BE MORE THEN ONE :D)
lock (MessageServers)
{
if (MessageServers.Count > 0)
{
m_log.Info("[MSGCONNECTOR]: Sending login notice to registered message servers");
}
// else
// {
// m_log.Debug("[MSGCONNECTOR]: No Message Servers registered, ignoring");
// }
foreach (MessageServerInfo serv in MessageServers.Values)
{
NotifyMessageServerAboutUser(serv, agentID, sessionID, RegionID,
regionhandle, positionX, positionY, positionZ,
firstname, lastname);
}
}
}
private void TellMessageServersAboutUserLogoffInternal(UUID agentID)
{
lock (MessageServers)
{
if (MessageServers.Count > 0)
{
m_log.Info("[MSGCONNECTOR]: Sending logoff notice to registered message servers");
}
else
{
// m_log.Debug("[MSGCONNECTOR]: No Message Servers registered, ignoring");
}
foreach (MessageServerInfo serv in MessageServers.Values)
{
NotifyMessageServerAboutUserLogoff(serv,agentID);
}
}
}
private void TellMessageServersAboutRegionShutdownInternal(UUID regionID)
{
lock (MessageServers)
{
if (MessageServers.Count > 0)
{
m_log.Info("[MSGCONNECTOR]: Sending region down notice to registered message servers");
}
else
{
// m_log.Debug("[MSGCONNECTOR]: No Message Servers registered, ignoring");
}
foreach (MessageServerInfo serv in MessageServers.Values)
{
NotifyMessageServerAboutRegionShutdown(serv,regionID);
}
}
}
public void TellMessageServersAboutUserLogoff(UUID agentID)
{
PresenceNotification notification = new PresenceNotification();
notification.request = NotificationRequest.Logout;
notification.agentID = agentID;
m_NotifyQueue.Enqueue(notification);
}
public void TellMessageServersAboutRegionShutdown(UUID regionID)
{
PresenceNotification notification = new PresenceNotification();
notification.request = NotificationRequest.Shutdown;
notification.RegionID = regionID;
m_NotifyQueue.Enqueue(notification);
}
private void NotifyMessageServerAboutUserLogoff(MessageServerInfo serv, UUID agentID)
{
Hashtable reqparams = new Hashtable();
reqparams["sendkey"] = serv.sendkey;
reqparams["agentid"] = agentID.ToString();
ArrayList SendParams = new ArrayList();
SendParams.Add(reqparams);
XmlRpcRequest GridReq = new XmlRpcRequest("logout_of_simulator", SendParams);
try
{
GridReq.Send(serv.URI, 6000);
}
catch (WebException)
{
m_log.Warn("[MSGCONNECTOR]: Unable to notify Message Server about log out. Other users might still think this user is online");
}
m_log.Info("[LOGOUT]: Notified : " + serv.URI + " about user logout");
}
private void NotifyMessageServerAboutRegionShutdown(MessageServerInfo serv, UUID regionID)
{
Hashtable reqparams = new Hashtable();
reqparams["sendkey"] = serv.sendkey;
reqparams["regionid"] = regionID.ToString();
ArrayList SendParams = new ArrayList();
SendParams.Add(reqparams);
XmlRpcRequest GridReq = new XmlRpcRequest("process_region_shutdown", SendParams);
try
{
GridReq.Send(serv.URI, 6000);
}
catch (WebException)
{
m_log.Warn("[MSGCONNECTOR]: Unable to notify Message Server about region shutdown.");
}
m_log.Info("[REGION UPDOWN]: Notified : " + serv.URI + " about region state change");
}
private void NotifyMessageServerAboutUser(MessageServerInfo serv,
UUID agentID, UUID sessionID, UUID RegionID,
ulong regionhandle, float positionX, float positionY, float positionZ,
string firstname, string lastname)
{
Hashtable reqparams = new Hashtable();
reqparams["sendkey"] = serv.sendkey;
reqparams["agentid"] = agentID.ToString();
reqparams["sessionid"] = sessionID.ToString();
reqparams["regionid"] = RegionID.ToString();
reqparams["regionhandle"] = regionhandle.ToString();
reqparams["positionx"] = positionX.ToString();
reqparams["positiony"] = positionY.ToString();
reqparams["positionz"] = positionZ.ToString();
reqparams["firstname"] = firstname;
reqparams["lastname"] = lastname;
//reqparams["position"] = Position.ToString();
ArrayList SendParams = new ArrayList();
SendParams.Add(reqparams);
XmlRpcRequest GridReq = new XmlRpcRequest("login_to_simulator", SendParams);
try
{
GridReq.Send(serv.URI, 6000);
m_log.Info("[LOGIN]: Notified : " + serv.URI + " about user login");
}
catch (WebException)
{
m_log.Warn("[MSGCONNECTOR]: Unable to notify Message Server about login. Presence might be borked for this user");
}
}
private void NotifyQueueRunner()
{
while (true)
{
PresenceNotification presence = m_NotifyQueue.Dequeue();
if (presence.request == NotificationRequest.Shutdown)
{
TellMessageServersAboutRegionShutdownInternal(presence.RegionID);
}
if (presence.request == NotificationRequest.Login)
{
TellMessageServersAboutUserInternal(presence.agentID,
presence.sessionID, presence.RegionID,
presence.regionhandle, presence.positionX,
presence.positionY, presence.positionZ,
presence.firstname, presence.lastname);
}
if (presence.request == NotificationRequest.Logout)
{
TellMessageServersAboutUserLogoffInternal(presence.agentID);
}
}
}
public XmlRpcResponse RegionStartup(XmlRpcRequest request)
{
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable result = new Hashtable();
UUID regionID;
if (UUID.TryParse((string)requestData["RegionUUID"], out regionID))
{
if (OnRegionStartup != null)
OnRegionStartup(regionID);
result["responsestring"] = "TRUE";
}
XmlRpcResponse response = new XmlRpcResponse();
response.Value = result;
return response;
}
public XmlRpcResponse RegionShutdown(XmlRpcRequest request)
{
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable result = new Hashtable();
UUID regionID;
if (UUID.TryParse((string)requestData["RegionUUID"], out regionID))
{
if (OnRegionShutdown != null)
OnRegionShutdown(regionID);
result["responsestring"] = "TRUE";
}
XmlRpcResponse response = new XmlRpcResponse();
response.Value = result;
return response;
}
public XmlRpcResponse AgentLocation(XmlRpcRequest request)
{
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable result = new Hashtable();
UUID agentID;
UUID regionID;
ulong regionHandle;
if (UUID.TryParse((string)requestData["AgentID"], out agentID) && UUID.TryParse((string)requestData["RegionUUID"], out regionID) && ulong.TryParse((string)requestData["RegionHandle"], out regionHandle))
{
if (OnAgentLocation != null)
OnAgentLocation(agentID, regionID, regionHandle);
result["responsestring"] = "TRUE";
}
XmlRpcResponse response = new XmlRpcResponse();
response.Value = result;
return response;
}
public XmlRpcResponse AgentLeaving(XmlRpcRequest request)
{
Hashtable requestData = (Hashtable)request.Params[0];
Hashtable result = new Hashtable();
UUID agentID;
UUID regionID;
ulong regionHandle;
if (UUID.TryParse((string)requestData["AgentID"], out agentID) && UUID.TryParse((string)requestData["RegionUUID"], out regionID) && ulong.TryParse((string)requestData["RegionHandle"], out regionHandle))
{
if (OnAgentLeaving != null)
OnAgentLeaving(agentID, regionID, regionHandle);
result["responsestring"] = "TRUE";
}
XmlRpcResponse response = new XmlRpcResponse();
response.Value = result;
return response;
}
}
}